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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:32 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:32 -0800 |
commit | 8b23a6c7e1aee255004dd19098d4c2462b61b849 (patch) | |
tree | 7a4d682ba51f0ff0364c5ca2509f515bdaf96de9 /vl.c | |
parent | f721e3ac031f892af46f255a47d7f54a91317b30 (diff) | |
download | external_qemu-8b23a6c7e1aee255004dd19098d4c2462b61b849.zip external_qemu-8b23a6c7e1aee255004dd19098d4c2462b61b849.tar.gz external_qemu-8b23a6c7e1aee255004dd19098d4c2462b61b849.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'vl.c')
-rw-r--r-- | vl.c | 9803 |
1 files changed, 9803 insertions, 0 deletions
@@ -0,0 +1,9803 @@ +/* + * QEMU System Emulator + * + * Copyright (c) 2003-2008 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +/* the following is needed on Linux to define ptsname() in stdlib.h */ +#if defined(__linux__) +#define _GNU_SOURCE 1 +#endif + +#include "qemu-common.h" +#include "hw/hw.h" +#include "hw/boards.h" +#include "hw/usb.h" +#include "hw/pcmcia.h" +#include "hw/pc.h" +#include "hw/audiodev.h" +#include "hw/isa.h" +#include "hw/baum.h" +#include "net.h" +#include "console.h" +#include "sysemu.h" +#include "gdbstub.h" +#include "qemu-timer.h" +#include "qemu-char.h" +#include "block.h" +#include "audio/audio.h" + +#include "qemu_file.h" +#include "android/android.h" +#include "charpipe.h" +#include "shaper.h" +#include "modem_driver.h" +#include "android/gps.h" +#include "android/qemud.h" +#include "android/hw-kmsg.h" +#include "tcpdump.h" + +#include <unistd.h> +#include <fcntl.h> +#include <signal.h> +#include <time.h> +#include <errno.h> +#include <sys/time.h> +#include <zlib.h> + +#ifndef _WIN32 +#include <sys/times.h> +#include <sys/wait.h> +#include <termios.h> +#include <sys/poll.h> +#include <sys/mman.h> +#include <sys/ioctl.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <dirent.h> +#include <netdb.h> +#include <sys/select.h> +#include <arpa/inet.h> +#ifdef _BSD +#include <sys/stat.h> +#if !defined(__APPLE__) && !defined(__OpenBSD__) +#include <libutil.h> +#endif +#ifdef __OpenBSD__ +#include <net/if.h> +#endif +#elif defined (__GLIBC__) && defined (__FreeBSD_kernel__) +#include <freebsd/stdlib.h> +#else +#ifndef __sun__ +#include <linux/if.h> +#include <linux/if_tun.h> +#include <pty.h> +#include <malloc.h> +#include <linux/rtc.h> + +/* For the benefit of older linux systems which don't supply it, + we use a local copy of hpet.h. */ +/* #include <linux/hpet.h> */ +#include "hpet.h" + +#include <linux/ppdev.h> +#include <linux/parport.h> +#else +#include <sys/stat.h> +#include <sys/ethernet.h> +#include <sys/sockio.h> +#include <netinet/arp.h> +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#include <netinet/ip_icmp.h> // must come after ip.h +#include <netinet/udp.h> +#include <netinet/tcp.h> +#include <net/if.h> +#include <syslog.h> +#include <stropts.h> +#endif +#endif +#endif + +#include "qemu_socket.h" + +#if defined(CONFIG_SLIRP) +#include "libslirp.h" +#endif + +#if defined(__OpenBSD__) +#include <util.h> +#endif + +#if defined(CONFIG_VDE) +#include <libvdeplug.h> +#endif + +#ifdef _WIN32 +#include <malloc.h> +#include <sys/timeb.h> +#include <mmsystem.h> +#define getopt_long_only getopt_long +#define memalign(align, size) malloc(size) +#endif + + +#ifdef CONFIG_COCOA +#undef main +#define main qemu_main +#endif /* CONFIG_COCOA */ + +#ifdef CONFIG_SKINS +#undef main +#define main qemu_main +#endif + +#include "disas.h" + +#include "exec-all.h" + +#ifdef CONFIG_TRACE +#include "trace.h" +#include "dcache.h" +#endif + +#ifdef CONFIG_NAND +#include "hw/goldfish_nand.h" +#endif + +#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" +#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" +#ifdef __sun__ +#define SMBD_COMMAND "/usr/sfw/sbin/smbd" +#else +#define SMBD_COMMAND "/usr/sbin/smbd" +#endif + +//#define DEBUG_UNUSED_IOPORT +//#define DEBUG_IOPORT + +#ifdef TARGET_PPC +#define DEFAULT_RAM_SIZE 144 +#else +#define DEFAULT_RAM_SIZE 128 +#endif + +/* Max number of USB devices that can be specified on the commandline. */ +#define MAX_USB_CMDLINE 8 + +/* XXX: use a two level table to limit memory usage */ +#define MAX_IOPORTS 65536 + +const char *bios_dir = CONFIG_QEMU_SHAREDIR; +const char *bios_name = NULL; +void *ioport_opaque[MAX_IOPORTS]; +IOPortReadFunc *ioport_read_table[3][MAX_IOPORTS]; +IOPortWriteFunc *ioport_write_table[3][MAX_IOPORTS]; +/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available + to store the VM snapshots */ +DriveInfo drives_table[MAX_DRIVES+1]; +int nb_drives; +/* point to the block driver where the snapshots are managed */ +BlockDriverState *bs_snapshots; +int vga_ram_size; +static DisplayState display_state; +int nographic; +int curses; +const char* keyboard_layout = NULL; +int64_t ticks_per_sec; +ram_addr_t ram_size; +int pit_min_timer_count = 0; +int nb_nics; +NICInfo nd_table[MAX_NICS]; +int vm_running; +static int rtc_utc = 1; +static int rtc_date_offset = -1; /* -1 means no change */ +int cirrus_vga_enabled = 1; +int vmsvga_enabled = 0; +#ifdef TARGET_SPARC +int graphic_width = 1024; +int graphic_height = 768; +int graphic_depth = 8; +#else +int graphic_width = 800; +int graphic_height = 600; +int graphic_depth = 15; +#endif +int full_screen = 0; +int no_frame = 0; +int no_quit = 0; +CharDriverState *serial_hds[MAX_SERIAL_PORTS]; +CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; +#ifdef TARGET_I386 +int win2k_install_hack = 0; +#endif +int usb_enabled = 0; +static VLANState *first_vlan; +int smp_cpus = 1; +const char *vnc_display; +#if defined(TARGET_SPARC) +#define MAX_CPUS 16 +#elif defined(TARGET_I386) +#define MAX_CPUS 255 +#else +#define MAX_CPUS 1 +#endif +int acpi_enabled = 1; +int fd_bootchk = 1; +int no_reboot = 0; +int no_shutdown = 0; +int cursor_hide = 1; +int graphic_rotate = 0; +int daemonize = 0; +const char *option_rom[MAX_OPTION_ROMS]; +int nb_option_roms; +int semihosting_enabled = 0; +int autostart = 1; +#ifdef TARGET_ARM +int old_param = 0; +#endif +const char *qemu_name; +int alt_grab = 0; +#ifdef TARGET_SPARC +unsigned int nb_prom_envs = 0; +const char *prom_envs[MAX_PROM_ENVS]; +#endif +int nb_drives_opt; +struct drive_opt { + const char *file; + char opt[1024]; +} drives_opt[MAX_DRIVES]; + +static CPUState *cur_cpu; +static CPUState *next_cpu; +static int event_pending = 1; +/* Conversion factor from emulated instructions to virtual clock ticks. */ +static int icount_time_shift; +/* Arbitrarily pick 1MIPS as the minimum allowable speed. */ +#define MAX_ICOUNT_SHIFT 10 +/* Compensate for varying guest execution speed. */ +static int64_t qemu_icount_bias; +QEMUTimer *icount_rt_timer; +QEMUTimer *icount_vm_timer; + + +extern int qemu_cpu_delay; +extern int android_audio_enabled; +extern char* audio_input_source; + +extern void dprint( const char* format, ... ); + +#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR) + +/***********************************************************/ +/* x86 ISA bus support */ + +target_phys_addr_t isa_mem_base = 0; +PicState2 *isa_pic; + +static IOPortReadFunc default_ioport_readb, default_ioport_readw, default_ioport_readl; +static IOPortWriteFunc default_ioport_writeb, default_ioport_writew, default_ioport_writel; + +static uint32_t ioport_read(int index, uint32_t address) +{ + static IOPortReadFunc *default_func[3] = { + default_ioport_readb, + default_ioport_readw, + default_ioport_readl + }; + IOPortReadFunc *func = ioport_read_table[index][address]; + if (!func) + func = default_func[index]; + return func(ioport_opaque[address], address); +} + +static void ioport_write(int index, uint32_t address, uint32_t data) +{ + static IOPortWriteFunc *default_func[3] = { + default_ioport_writeb, + default_ioport_writew, + default_ioport_writel + }; + IOPortWriteFunc *func = ioport_write_table[index][address]; + if (!func) + func = default_func[index]; + func(ioport_opaque[address], address, data); +} + +static uint32_t default_ioport_readb(void *opaque, uint32_t address) +{ +#ifdef DEBUG_UNUSED_IOPORT + fprintf(stderr, "unused inb: port=0x%04x\n", address); +#endif + return 0xff; +} + +static void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data) +{ +#ifdef DEBUG_UNUSED_IOPORT + fprintf(stderr, "unused outb: port=0x%04x data=0x%02x\n", address, data); +#endif +} + +/* default is to make two byte accesses */ +static uint32_t default_ioport_readw(void *opaque, uint32_t address) +{ + uint32_t data; + data = ioport_read(0, address); + address = (address + 1) & (MAX_IOPORTS - 1); + data |= ioport_read(0, address) << 8; + return data; +} + +static void default_ioport_writew(void *opaque, uint32_t address, uint32_t data) +{ + ioport_write(0, address, data & 0xff); + address = (address + 1) & (MAX_IOPORTS - 1); + ioport_write(0, address, (data >> 8) & 0xff); +} + +static uint32_t default_ioport_readl(void *opaque, uint32_t address) +{ +#ifdef DEBUG_UNUSED_IOPORT + fprintf(stderr, "unused inl: port=0x%04x\n", address); +#endif + return 0xffffffff; +} + +static void default_ioport_writel(void *opaque, uint32_t address, uint32_t data) +{ +#ifdef DEBUG_UNUSED_IOPORT + fprintf(stderr, "unused outl: port=0x%04x data=0x%02x\n", address, data); +#endif +} + +/* size is the word size in byte */ +int register_ioport_read(int start, int length, int size, + IOPortReadFunc *func, void *opaque) +{ + int i, bsize; + + if (size == 1) { + bsize = 0; + } else if (size == 2) { + bsize = 1; + } else if (size == 4) { + bsize = 2; + } else { + hw_error("register_ioport_read: invalid size"); + return -1; + } + for(i = start; i < start + length; i += size) { + ioport_read_table[bsize][i] = func; + if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) + hw_error("register_ioport_read: invalid opaque"); + ioport_opaque[i] = opaque; + } + return 0; +} + +/* size is the word size in byte */ +int register_ioport_write(int start, int length, int size, + IOPortWriteFunc *func, void *opaque) +{ + int i, bsize; + + if (size == 1) { + bsize = 0; + } else if (size == 2) { + bsize = 1; + } else if (size == 4) { + bsize = 2; + } else { + hw_error("register_ioport_write: invalid size"); + return -1; + } + for(i = start; i < start + length; i += size) { + ioport_write_table[bsize][i] = func; + if (ioport_opaque[i] != NULL && ioport_opaque[i] != opaque) + hw_error("register_ioport_write: invalid opaque"); + ioport_opaque[i] = opaque; + } + return 0; +} + +void isa_unassign_ioport(int start, int length) +{ + int i; + + for(i = start; i < start + length; i++) { + ioport_read_table[0][i] = default_ioport_readb; + ioport_read_table[1][i] = default_ioport_readw; + ioport_read_table[2][i] = default_ioport_readl; + + ioport_write_table[0][i] = default_ioport_writeb; + ioport_write_table[1][i] = default_ioport_writew; + ioport_write_table[2][i] = default_ioport_writel; + } +} + +/***********************************************************/ + +void cpu_outb(CPUState *env, int addr, int val) +{ +#ifdef DEBUG_IOPORT + if (loglevel & CPU_LOG_IOPORT) + fprintf(logfile, "outb: %04x %02x\n", addr, val); +#endif + ioport_write(0, addr, val); +#ifdef USE_KQEMU + if (env) + env->last_io_time = cpu_get_time_fast(); +#endif +} + +void cpu_outw(CPUState *env, int addr, int val) +{ +#ifdef DEBUG_IOPORT + if (loglevel & CPU_LOG_IOPORT) + fprintf(logfile, "outw: %04x %04x\n", addr, val); +#endif + ioport_write(1, addr, val); +#ifdef USE_KQEMU + if (env) + env->last_io_time = cpu_get_time_fast(); +#endif +} + +void cpu_outl(CPUState *env, int addr, int val) +{ +#ifdef DEBUG_IOPORT + if (loglevel & CPU_LOG_IOPORT) + fprintf(logfile, "outl: %04x %08x\n", addr, val); +#endif + ioport_write(2, addr, val); +#ifdef USE_KQEMU + if (env) + env->last_io_time = cpu_get_time_fast(); +#endif +} + +int cpu_inb(CPUState *env, int addr) +{ + int val; + val = ioport_read(0, addr); +#ifdef DEBUG_IOPORT + if (loglevel & CPU_LOG_IOPORT) + fprintf(logfile, "inb : %04x %02x\n", addr, val); +#endif +#ifdef USE_KQEMU + if (env) + env->last_io_time = cpu_get_time_fast(); +#endif + return val; +} + +int cpu_inw(CPUState *env, int addr) +{ + int val; + val = ioport_read(1, addr); +#ifdef DEBUG_IOPORT + if (loglevel & CPU_LOG_IOPORT) + fprintf(logfile, "inw : %04x %04x\n", addr, val); +#endif +#ifdef USE_KQEMU + if (env) + env->last_io_time = cpu_get_time_fast(); +#endif + return val; +} + +int cpu_inl(CPUState *env, int addr) +{ + int val; + val = ioport_read(2, addr); +#ifdef DEBUG_IOPORT + if (loglevel & CPU_LOG_IOPORT) + fprintf(logfile, "inl : %04x %08x\n", addr, val); +#endif +#ifdef USE_KQEMU + if (env) + env->last_io_time = cpu_get_time_fast(); +#endif + return val; +} + +/***********************************************************/ +void hw_error(const char *fmt, ...) +{ + va_list ap; + CPUState *env; + + va_start(ap, fmt); + fprintf(stderr, "qemu: hardware error: "); + vfprintf(stderr, fmt, ap); + fprintf(stderr, "\n"); + for(env = first_cpu; env != NULL; env = env->next_cpu) { + fprintf(stderr, "CPU #%d:\n", env->cpu_index); +#ifdef TARGET_I386 + cpu_dump_state(env, stderr, fprintf, X86_DUMP_FPU); +#else + cpu_dump_state(env, stderr, fprintf, 0); +#endif + } + va_end(ap); + abort(); +} + +/***********************************************************/ +/* keyboard/mouse */ + +static QEMUPutKBDEvent* qemu_put_kbd_event; +static void* qemu_put_kbd_event_opaque; + +static QEMUPutKBDEventN* qemu_put_kbd_event_n; +static void* qemu_put_kbd_event_n_opaque; + + +static QEMUPutGenericEvent* qemu_put_generic_event; +static void* qemu_put_generic_event_opaque; + +static QEMUPutMouseEntry *qemu_put_mouse_event_head; +static QEMUPutMouseEntry *qemu_put_mouse_event_current; + +void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque) +{ + qemu_put_kbd_event_opaque = opaque; + qemu_put_kbd_event = func; +} + +void qemu_add_kbd_event_n_handler(QEMUPutKBDEventN *func, void *opaque) +{ + qemu_put_kbd_event_n_opaque = opaque; + qemu_put_kbd_event_n = func; +} + +#if 0 +void qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, void *opaque, int absolute) +{ + qemu_put_mouse_event_opaque = opaque; + qemu_put_mouse_event = func; + qemu_put_mouse_event_absolute = absolute; +} +#else +QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, + void *opaque, int absolute, + const char *name) +{ + QEMUPutMouseEntry *s, *cursor; + + s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); + if (!s) + return NULL; + + s->qemu_put_mouse_event = func; + s->qemu_put_mouse_event_opaque = opaque; + s->qemu_put_mouse_event_absolute = absolute; + s->qemu_put_mouse_event_name = qemu_strdup(name); + s->next = NULL; + + if (!qemu_put_mouse_event_head) { + qemu_put_mouse_event_head = qemu_put_mouse_event_current = s; + return s; + } + + cursor = qemu_put_mouse_event_head; + while (cursor->next != NULL) + cursor = cursor->next; + + cursor->next = s; + qemu_put_mouse_event_current = s; + + return s; +} + +void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry) +{ + QEMUPutMouseEntry *prev = NULL, *cursor; + + if (!qemu_put_mouse_event_head || entry == NULL) + return; + + cursor = qemu_put_mouse_event_head; + while (cursor != NULL && cursor != entry) { + prev = cursor; + cursor = cursor->next; + } + + if (cursor == NULL) // does not exist or list empty + return; + else if (prev == NULL) { // entry is head + qemu_put_mouse_event_head = cursor->next; + if (qemu_put_mouse_event_current == entry) + qemu_put_mouse_event_current = cursor->next; + qemu_free(entry->qemu_put_mouse_event_name); + qemu_free(entry); + return; + } + + prev->next = entry->next; + + if (qemu_put_mouse_event_current == entry) + qemu_put_mouse_event_current = prev; + + qemu_free(entry->qemu_put_mouse_event_name); + qemu_free(entry); +} +#endif + +void qemu_add_generic_event_handler(QEMUPutGenericEvent *func, void* opaque) +{ + qemu_put_generic_event = func; + qemu_put_generic_event_opaque = opaque; +} + +void kbd_put_keycode(int keycode) +{ + if (qemu_put_kbd_event) { + qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); + } +} + +void kbd_put_keycodes(int* keycodes, int count) +{ + if (qemu_put_kbd_event_n) + { + qemu_put_kbd_event_n(qemu_put_kbd_event_n_opaque, keycodes, count); + } + else if (qemu_put_kbd_event) + { + int nn; + + for (nn = 0; nn < count; nn++) + qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycodes[nn]); + } +} + + +void kbd_generic_event(int type, int code, int value) +{ + if (qemu_put_generic_event) + qemu_put_generic_event(qemu_put_generic_event_opaque, type, code, value); +} + + +void kbd_mouse_event(int dx, int dy, int dz, int buttons_state) +{ + QEMUPutMouseEvent *mouse_event; + void *mouse_event_opaque; + int width; + + if (!qemu_put_mouse_event_current) { + return; + } + + mouse_event = + qemu_put_mouse_event_current->qemu_put_mouse_event; + mouse_event_opaque = + qemu_put_mouse_event_current->qemu_put_mouse_event_opaque; + + if (mouse_event) { + if (graphic_rotate) { + if (qemu_put_mouse_event_current->qemu_put_mouse_event_absolute) + width = 0x7fff; + else + width = graphic_width - 1; + mouse_event(mouse_event_opaque, + width - dy, dx, dz, buttons_state); + } else + mouse_event(mouse_event_opaque, + dx, dy, dz, buttons_state); + } +} + +int kbd_mouse_is_absolute(void) +{ + if (!qemu_put_mouse_event_current) + return 0; + + return qemu_put_mouse_event_current->qemu_put_mouse_event_absolute; +} + +void do_info_mice(void) +{ + QEMUPutMouseEntry *cursor; + int index = 0; + + if (!qemu_put_mouse_event_head) { + term_printf("No mouse devices connected\n"); + return; + } + + term_printf("Mouse devices available:\n"); + cursor = qemu_put_mouse_event_head; + while (cursor != NULL) { + term_printf("%c Mouse #%d: %s\n", + (cursor == qemu_put_mouse_event_current ? '*' : ' '), + index, cursor->qemu_put_mouse_event_name); + index++; + cursor = cursor->next; + } +} + +void do_mouse_set(int index) +{ + QEMUPutMouseEntry *cursor; + int i = 0; + + if (!qemu_put_mouse_event_head) { + term_printf("No mouse devices connected\n"); + return; + } + + cursor = qemu_put_mouse_event_head; + while (cursor != NULL && index != i) { + i++; + cursor = cursor->next; + } + + if (cursor != NULL) + qemu_put_mouse_event_current = cursor; + else + term_printf("Mouse at given index not found\n"); +} + +/* compute with 96 bit intermediate result: (a*b)/c */ +uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) +{ + union { + uint64_t ll; + struct { +#ifdef WORDS_BIGENDIAN + uint32_t high, low; +#else + uint32_t low, high; +#endif + } l; + } u, res; + uint64_t rl, rh; + + u.ll = a; + rl = (uint64_t)u.l.low * (uint64_t)b; + rh = (uint64_t)u.l.high * (uint64_t)b; + rh += (rl >> 32); + res.l.high = rh / c; + res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; + return res.ll; +} + +/***********************************************************/ +/* real time host monotonic timer */ + +#define QEMU_TIMER_BASE 1000000000LL + +#ifdef WIN32 + +static int64_t clock_freq; + +static void init_get_clock(void) +{ + LARGE_INTEGER freq; + int ret; + ret = QueryPerformanceFrequency(&freq); + if (ret == 0) { + fprintf(stderr, "Could not calibrate ticks\n"); + exit(1); + } + clock_freq = freq.QuadPart; +} + +static int64_t get_clock(void) +{ + LARGE_INTEGER ti; + QueryPerformanceCounter(&ti); + return muldiv64(ti.QuadPart, QEMU_TIMER_BASE, clock_freq); +} + +#else + +static int use_rt_clock; + +static void init_get_clock(void) +{ + use_rt_clock = 0; +#if defined(__linux__) + { + struct timespec ts; + if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) { + use_rt_clock = 1; + } + } +#endif +} + +static int64_t get_clock(void) +{ +#if defined(__linux__) + if (use_rt_clock) { + struct timespec ts; + clock_gettime(CLOCK_MONOTONIC, &ts); + return ts.tv_sec * 1000000000LL + ts.tv_nsec; + } else +#endif + { + /* XXX: using gettimeofday leads to problems if the date + changes, so it should be avoided. */ + struct timeval tv; + gettimeofday(&tv, NULL); + return tv.tv_sec * 1000000000LL + (tv.tv_usec * 1000); + } +} +#endif + +/* Return the virtual CPU time, based on the instruction counter. */ +static int64_t cpu_get_icount(void) +{ + int64_t icount; + CPUState *env = cpu_single_env;; + icount = qemu_icount; + if (env) { + if (!can_do_io(env)) + fprintf(stderr, "Bad clock read\n"); + icount -= (env->icount_decr.u16.low + env->icount_extra); + } + return qemu_icount_bias + (icount << icount_time_shift); +} + +/***********************************************************/ +/* guest cycle counter */ + +static int64_t cpu_ticks_prev; +static int64_t cpu_ticks_offset; +static int64_t cpu_clock_offset; +static int cpu_ticks_enabled; + +/* return the host CPU cycle counter and handle stop/restart */ +int64_t cpu_get_ticks(void) +{ + if (use_icount) { + return cpu_get_icount(); + } + if (!cpu_ticks_enabled) { + return cpu_ticks_offset; + } else { + int64_t ticks; + ticks = cpu_get_real_ticks(); + if (cpu_ticks_prev > ticks) { + /* Note: non increasing ticks may happen if the host uses + software suspend */ + cpu_ticks_offset += cpu_ticks_prev - ticks; + } + cpu_ticks_prev = ticks; + return ticks + cpu_ticks_offset; + } +} + +/* return the host CPU monotonic timer and handle stop/restart */ +static int64_t cpu_get_clock(void) +{ + int64_t ti; + if (!cpu_ticks_enabled) { + return cpu_clock_offset; + } else { + ti = get_clock(); + return ti + cpu_clock_offset; + } +} + +/* enable cpu_get_ticks() */ +void cpu_enable_ticks(void) +{ + if (!cpu_ticks_enabled) { + cpu_ticks_offset -= cpu_get_real_ticks(); + cpu_clock_offset -= get_clock(); + cpu_ticks_enabled = 1; + } +} + +/* disable cpu_get_ticks() : the clock is stopped. You must not call + cpu_get_ticks() after that. */ +void cpu_disable_ticks(void) +{ + if (cpu_ticks_enabled) { + cpu_ticks_offset = cpu_get_ticks(); + cpu_clock_offset = cpu_get_clock(); + cpu_ticks_enabled = 0; + } +} + +/***********************************************************/ +/* timers */ + +#define QEMU_TIMER_REALTIME 0 +#define QEMU_TIMER_VIRTUAL 1 + +struct QEMUClock { + int type; + /* XXX: add frequency */ +}; + +struct QEMUTimer { + QEMUClock *clock; + int64_t expire_time; + QEMUTimerCB *cb; + void *opaque; + struct QEMUTimer *next; +}; + +struct qemu_alarm_timer { + char const *name; + unsigned int flags; + + int (*start)(struct qemu_alarm_timer *t); + void (*stop)(struct qemu_alarm_timer *t); + void (*rearm)(struct qemu_alarm_timer *t); + void *priv; +}; + +#define ALARM_FLAG_DYNTICKS 0x1 +#define ALARM_FLAG_EXPIRED 0x2 + +static inline int alarm_has_dynticks(struct qemu_alarm_timer *t) +{ + return t->flags & ALARM_FLAG_DYNTICKS; +} + +static void qemu_rearm_alarm_timer(struct qemu_alarm_timer *t) +{ + if (!alarm_has_dynticks(t)) + return; + + t->rearm(t); +} + +/* TODO: MIN_TIMER_REARM_US should be optimized */ +#define MIN_TIMER_REARM_US 250 + +static struct qemu_alarm_timer *alarm_timer; + +#ifdef _WIN32 + +struct qemu_alarm_win32 { + MMRESULT timerId; + HANDLE host_alarm; + unsigned int period; +} alarm_win32_data = {0, NULL, -1}; + +static int win32_start_timer(struct qemu_alarm_timer *t); +static void win32_stop_timer(struct qemu_alarm_timer *t); +static void win32_rearm_timer(struct qemu_alarm_timer *t); + +#else + +static int unix_start_timer(struct qemu_alarm_timer *t); +static void unix_stop_timer(struct qemu_alarm_timer *t); + +#ifdef __linux__ + +static int dynticks_start_timer(struct qemu_alarm_timer *t); +static void dynticks_stop_timer(struct qemu_alarm_timer *t); +static void dynticks_rearm_timer(struct qemu_alarm_timer *t); + +static int hpet_start_timer(struct qemu_alarm_timer *t); +static void hpet_stop_timer(struct qemu_alarm_timer *t); + +static int rtc_start_timer(struct qemu_alarm_timer *t); +static void rtc_stop_timer(struct qemu_alarm_timer *t); + +#endif /* __linux__ */ + +#endif /* _WIN32 */ + +/* Correlation between real and virtual time is always going to be + fairly approximate, so ignore small variation. + When the guest is idle real and virtual time will be aligned in + the IO wait loop. */ +#define ICOUNT_WOBBLE (QEMU_TIMER_BASE / 10) + +static void icount_adjust(void) +{ + int64_t cur_time; + int64_t cur_icount; + int64_t delta; + static int64_t last_delta; + /* If the VM is not running, then do nothing. */ + if (!vm_running) + return; + + cur_time = cpu_get_clock(); + cur_icount = qemu_get_clock(vm_clock); + delta = cur_icount - cur_time; + /* FIXME: This is a very crude algorithm, somewhat prone to oscillation. */ + if (delta > 0 + && last_delta + ICOUNT_WOBBLE < delta * 2 + && icount_time_shift > 0) { + /* The guest is getting too far ahead. Slow time down. */ + icount_time_shift--; + } + if (delta < 0 + && last_delta - ICOUNT_WOBBLE > delta * 2 + && icount_time_shift < MAX_ICOUNT_SHIFT) { + /* The guest is getting too far behind. Speed time up. */ + icount_time_shift++; + } + last_delta = delta; + qemu_icount_bias = cur_icount - (qemu_icount << icount_time_shift); +} + +static void icount_adjust_rt(void * opaque) +{ + qemu_mod_timer(icount_rt_timer, + qemu_get_clock(rt_clock) + 1000); + icount_adjust(); +} + +static void icount_adjust_vm(void * opaque) +{ + qemu_mod_timer(icount_vm_timer, + qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10); + icount_adjust(); +} + +static void init_icount_adjust(void) +{ + /* Have both realtime and virtual time triggers for speed adjustment. + The realtime trigger catches emulated time passing too slowly, + the virtual time trigger catches emulated time passing too fast. + Realtime triggers occur even when idle, so use them less frequently + than VM triggers. */ + icount_rt_timer = qemu_new_timer(rt_clock, icount_adjust_rt, NULL); + qemu_mod_timer(icount_rt_timer, + qemu_get_clock(rt_clock) + 1000); + icount_vm_timer = qemu_new_timer(vm_clock, icount_adjust_vm, NULL); + qemu_mod_timer(icount_vm_timer, + qemu_get_clock(vm_clock) + QEMU_TIMER_BASE / 10); +} + +static struct qemu_alarm_timer alarm_timers[] = { +#ifndef _WIN32 +#ifdef __linux__ + {"dynticks", ALARM_FLAG_DYNTICKS, dynticks_start_timer, + dynticks_stop_timer, dynticks_rearm_timer, NULL}, + /* HPET - if available - is preferred */ + {"hpet", 0, hpet_start_timer, hpet_stop_timer, NULL, NULL}, + /* ...otherwise try RTC */ + {"rtc", 0, rtc_start_timer, rtc_stop_timer, NULL, NULL}, +#endif + {"unix", 0, unix_start_timer, unix_stop_timer, NULL, NULL}, +#else + {"dynticks", ALARM_FLAG_DYNTICKS, win32_start_timer, + win32_stop_timer, win32_rearm_timer, &alarm_win32_data}, + {"win32", 0, win32_start_timer, + win32_stop_timer, NULL, &alarm_win32_data}, +#endif + {NULL, 0, NULL, NULL, NULL, NULL} +}; + +static void show_available_alarms(void) +{ + int i; + + printf("Available alarm timers, in order of precedence:\n"); + for (i = 0; alarm_timers[i].name; i++) + printf("%s\n", alarm_timers[i].name); +} + +static void configure_alarms(char const *opt) +{ + int i; + int cur = 0; + int count = (sizeof(alarm_timers) / sizeof(*alarm_timers)) - 1; + char *arg; + char *name; + struct qemu_alarm_timer tmp; + + if (!strcmp(opt, "?")) { + show_available_alarms(); + exit(0); + } + + arg = strdup(opt); + + /* Reorder the array */ + name = strtok(arg, ","); + while (name) { + for (i = 0; i < count && alarm_timers[i].name; i++) { + if (!strcmp(alarm_timers[i].name, name)) + break; + } + + if (i == count) { + fprintf(stderr, "Unknown clock %s\n", name); + goto next; + } + + if (i < cur) + /* Ignore */ + goto next; + + /* Swap */ + tmp = alarm_timers[i]; + alarm_timers[i] = alarm_timers[cur]; + alarm_timers[cur] = tmp; + + cur++; +next: + name = strtok(NULL, ","); + } + + free(arg); + + if (cur) { + /* Disable remaining timers */ + for (i = cur; i < count; i++) + alarm_timers[i].name = NULL; + } else { + show_available_alarms(); + exit(1); + } +} + +QEMUClock *rt_clock; +QEMUClock *vm_clock; + +static QEMUTimer *active_timers[2]; + +static QEMUClock *qemu_new_clock(int type) +{ + QEMUClock *clock; + clock = qemu_mallocz(sizeof(QEMUClock)); + if (!clock) + return NULL; + clock->type = type; + return clock; +} + +QEMUTimer *qemu_new_timer(QEMUClock *clock, QEMUTimerCB *cb, void *opaque) +{ + QEMUTimer *ts; + + ts = qemu_mallocz(sizeof(QEMUTimer)); + ts->clock = clock; + ts->cb = cb; + ts->opaque = opaque; + return ts; +} + +void qemu_free_timer(QEMUTimer *ts) +{ + qemu_free(ts); +} + +/* stop a timer, but do not dealloc it */ +void qemu_del_timer(QEMUTimer *ts) +{ + QEMUTimer **pt, *t; + + /* NOTE: this code must be signal safe because + qemu_timer_expired() can be called from a signal. */ + pt = &active_timers[ts->clock->type]; + for(;;) { + t = *pt; + if (!t) + break; + if (t == ts) { + *pt = t->next; + break; + } + pt = &t->next; + } +} + +/* modify the current timer so that it will be fired when current_time + >= expire_time. The corresponding callback will be called. */ +void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time) +{ + QEMUTimer **pt, *t; + + qemu_del_timer(ts); + + /* add the timer in the sorted list */ + /* NOTE: this code must be signal safe because + qemu_timer_expired() can be called from a signal. */ + pt = &active_timers[ts->clock->type]; + for(;;) { + t = *pt; + if (!t) + break; + if (t->expire_time > expire_time) + break; + pt = &t->next; + } + ts->expire_time = expire_time; + ts->next = *pt; + *pt = ts; + + /* Rearm if necessary */ + if (pt == &active_timers[ts->clock->type]) { + if ((alarm_timer->flags & ALARM_FLAG_EXPIRED) == 0) { + qemu_rearm_alarm_timer(alarm_timer); + } + /* Interrupt execution to force deadline recalculation. */ + if (use_icount && cpu_single_env) { + cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); + } + } +} + +int qemu_timer_pending(QEMUTimer *ts) +{ + QEMUTimer *t; + for(t = active_timers[ts->clock->type]; t != NULL; t = t->next) { + if (t == ts) + return 1; + } + return 0; +} + +static inline int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time) +{ + if (!timer_head) + return 0; + return (timer_head->expire_time <= current_time); +} + +static void qemu_run_timers(QEMUTimer **ptimer_head, int64_t current_time) +{ + QEMUTimer *ts; + + for(;;) { + ts = *ptimer_head; + if (!ts || ts->expire_time > current_time) + break; + /* remove timer from the list before calling the callback */ + *ptimer_head = ts->next; + ts->next = NULL; + + /* run the callback (the timer list can be modified) */ + ts->cb(ts->opaque); + } +} + +int64_t qemu_get_clock(QEMUClock *clock) +{ + switch(clock->type) { + case QEMU_TIMER_REALTIME: + return get_clock() / 1000000; + default: + case QEMU_TIMER_VIRTUAL: + if (use_icount) { + return cpu_get_icount(); + } else { + return cpu_get_clock(); + } + } +} + +static void init_timers(void) +{ + init_get_clock(); + ticks_per_sec = QEMU_TIMER_BASE; + rt_clock = qemu_new_clock(QEMU_TIMER_REALTIME); + vm_clock = qemu_new_clock(QEMU_TIMER_VIRTUAL); +} + +/* save a timer */ +void qemu_put_timer(QEMUFile *f, QEMUTimer *ts) +{ + uint64_t expire_time; + + if (qemu_timer_pending(ts)) { + expire_time = ts->expire_time; + } else { + expire_time = -1; + } + qemu_put_be64(f, expire_time); +} + +void qemu_get_timer(QEMUFile *f, QEMUTimer *ts) +{ + uint64_t expire_time; + + expire_time = qemu_get_be64(f); + if (expire_time != -1) { + qemu_mod_timer(ts, expire_time); + } else { + qemu_del_timer(ts); + } +} + +static void timer_save(QEMUFile *f, void *opaque) +{ + if (cpu_ticks_enabled) { + hw_error("cannot save state if virtual timers are running"); + } + qemu_put_be64(f, cpu_ticks_offset); + qemu_put_be64(f, ticks_per_sec); + qemu_put_be64(f, cpu_clock_offset); +} + +static int timer_load(QEMUFile *f, void *opaque, int version_id) +{ + if (version_id != 1 && version_id != 2) + return -EINVAL; + if (cpu_ticks_enabled) { + return -EINVAL; + } + cpu_ticks_offset=qemu_get_be64(f); + ticks_per_sec=qemu_get_be64(f); + if (version_id == 2) { + cpu_clock_offset=qemu_get_be64(f); + } + return 0; +} + +#ifdef _WIN32 +void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, + DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) +#else +static void host_alarm_handler(int host_signum) +#endif +{ +#if 0 +#define DISP_FREQ 1000 + { + static int64_t delta_min = INT64_MAX; + static int64_t delta_max, delta_cum, last_clock, delta, ti; + static int count; + ti = qemu_get_clock(vm_clock); + if (last_clock != 0) { + delta = ti - last_clock; + if (delta < delta_min) + delta_min = delta; + if (delta > delta_max) + delta_max = delta; + delta_cum += delta; + if (++count == DISP_FREQ) { + printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", + muldiv64(delta_min, 1000000, ticks_per_sec), + muldiv64(delta_max, 1000000, ticks_per_sec), + muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), + (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); + count = 0; + delta_min = INT64_MAX; + delta_max = 0; + delta_cum = 0; + } + } + last_clock = ti; + } +#endif + if (alarm_has_dynticks(alarm_timer) || + (!use_icount && + qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], + qemu_get_clock(vm_clock))) || + qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], + qemu_get_clock(rt_clock))) { +#ifdef _WIN32 + struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv; + SetEvent(data->host_alarm); +#endif + CPUState *env = next_cpu; + + alarm_timer->flags |= ALARM_FLAG_EXPIRED; + + if (env) { + /* stop the currently executing cpu because a timer occured */ + cpu_interrupt(env, CPU_INTERRUPT_EXIT); +#ifdef USE_KQEMU + if (env->kqemu_enabled) { + kqemu_cpu_interrupt(env); + } +#endif + } + event_pending = 1; + } +} + +static int64_t qemu_next_deadline(void) +{ + int64_t delta; + + if (active_timers[QEMU_TIMER_VIRTUAL]) { + delta = active_timers[QEMU_TIMER_VIRTUAL]->expire_time - + qemu_get_clock(vm_clock); + } else { + /* To avoid problems with overflow limit this to 2^32. */ + delta = INT32_MAX; + } + + if (delta < 0) + delta = 0; + + return delta; +} + +#if defined(__linux__) || defined(_WIN32) +static uint64_t qemu_next_deadline_dyntick(void) +{ + int64_t delta; + int64_t rtdelta; + + if (use_icount) + delta = INT32_MAX; + else + delta = (qemu_next_deadline() + 999) / 1000; + + if (active_timers[QEMU_TIMER_REALTIME]) { + rtdelta = (active_timers[QEMU_TIMER_REALTIME]->expire_time - + qemu_get_clock(rt_clock))*1000; + if (rtdelta < delta) + delta = rtdelta; + } + + if (delta < MIN_TIMER_REARM_US) + delta = MIN_TIMER_REARM_US; + + return delta; +} +#endif + +#ifndef _WIN32 + +#if defined(__linux__) + +#define RTC_FREQ 1024 + +static void enable_sigio_timer(int fd) +{ + struct sigaction act; + + /* timer signal */ + sigfillset(&act.sa_mask); + act.sa_flags = 0; + act.sa_handler = host_alarm_handler; + + sigaction(SIGIO, &act, NULL); + fcntl(fd, F_SETFL, O_ASYNC); + fcntl(fd, F_SETOWN, getpid()); +} + +static int hpet_start_timer(struct qemu_alarm_timer *t) +{ + struct hpet_info info; + int r, fd; + + fd = open("/dev/hpet", O_RDONLY); + if (fd < 0) + return -1; + + /* Set frequency */ + r = ioctl(fd, HPET_IRQFREQ, RTC_FREQ); + if (r < 0) { + fprintf(stderr, "Could not configure '/dev/hpet' to have a 1024Hz timer. This is not a fatal\n" + "error, but for better emulation accuracy type:\n" + "'echo 1024 > /proc/sys/dev/hpet/max-user-freq' as root.\n"); + goto fail; + } + + /* Check capabilities */ + r = ioctl(fd, HPET_INFO, &info); + if (r < 0) + goto fail; + + /* Enable periodic mode */ + r = ioctl(fd, HPET_EPI, 0); + if (info.hi_flags && (r < 0)) + goto fail; + + /* Enable interrupt */ + r = ioctl(fd, HPET_IE_ON, 0); + if (r < 0) + goto fail; + + enable_sigio_timer(fd); + t->priv = (void *)(long)fd; + + return 0; +fail: + close(fd); + return -1; +} + +static void hpet_stop_timer(struct qemu_alarm_timer *t) +{ + int fd = (long)t->priv; + + close(fd); +} + +static int rtc_start_timer(struct qemu_alarm_timer *t) +{ + int rtc_fd; + unsigned long current_rtc_freq = 0; + + TFR(rtc_fd = open("/dev/rtc", O_RDONLY)); + if (rtc_fd < 0) + return -1; + ioctl(rtc_fd, RTC_IRQP_READ, ¤t_rtc_freq); + if (current_rtc_freq != RTC_FREQ && + ioctl(rtc_fd, RTC_IRQP_SET, RTC_FREQ) < 0) { + fprintf(stderr, "Could not configure '/dev/rtc' to have a 1024 Hz timer. This is not a fatal\n" + "error, but for better emulation accuracy either use a 2.6 host Linux kernel or\n" + "type 'echo 1024 > /proc/sys/dev/rtc/max-user-freq' as root.\n"); + goto fail; + } + if (ioctl(rtc_fd, RTC_PIE_ON, 0) < 0) { + fail: + close(rtc_fd); + return -1; + } + + enable_sigio_timer(rtc_fd); + + t->priv = (void *)(long)rtc_fd; + + return 0; +} + +static void rtc_stop_timer(struct qemu_alarm_timer *t) +{ + int rtc_fd = (long)t->priv; + + close(rtc_fd); +} + +static int dynticks_start_timer(struct qemu_alarm_timer *t) +{ + struct sigevent ev; + timer_t host_timer; + struct sigaction act; + + sigfillset(&act.sa_mask); + act.sa_flags = 0; + act.sa_handler = host_alarm_handler; + + sigaction(SIGALRM, &act, NULL); + + ev.sigev_value.sival_int = 0; + ev.sigev_notify = SIGEV_SIGNAL; + ev.sigev_signo = SIGALRM; + + if (timer_create(CLOCK_REALTIME, &ev, &host_timer)) { + perror("timer_create"); + + /* disable dynticks */ + fprintf(stderr, "Dynamic Ticks disabled\n"); + + return -1; + } + + t->priv = (void *)host_timer; + + return 0; +} + +static void dynticks_stop_timer(struct qemu_alarm_timer *t) +{ + timer_t host_timer = (timer_t)t->priv; + + timer_delete(host_timer); +} + +static void dynticks_rearm_timer(struct qemu_alarm_timer *t) +{ + timer_t host_timer = (timer_t)t->priv; + struct itimerspec timeout; + int64_t nearest_delta_us = INT64_MAX; + int64_t current_us; + + if (!active_timers[QEMU_TIMER_REALTIME] && + !active_timers[QEMU_TIMER_VIRTUAL]) + return; + + nearest_delta_us = qemu_next_deadline_dyntick(); + + /* check whether a timer is already running */ + if (timer_gettime(host_timer, &timeout)) { + perror("gettime"); + fprintf(stderr, "Internal timer error: aborting\n"); + exit(1); + } + current_us = timeout.it_value.tv_sec * 1000000 + timeout.it_value.tv_nsec/1000; + if (current_us && current_us <= nearest_delta_us) + return; + + timeout.it_interval.tv_sec = 0; + timeout.it_interval.tv_nsec = 0; /* 0 for one-shot timer */ + timeout.it_value.tv_sec = nearest_delta_us / 1000000; + timeout.it_value.tv_nsec = (nearest_delta_us % 1000000) * 1000; + if (timer_settime(host_timer, 0 /* RELATIVE */, &timeout, NULL)) { + perror("settime"); + fprintf(stderr, "Internal timer error: aborting\n"); + exit(1); + } +} + +#endif /* defined(__linux__) */ + +static int unix_start_timer(struct qemu_alarm_timer *t) +{ + struct sigaction act; + struct itimerval itv; + int err; + + /* timer signal */ + sigfillset(&act.sa_mask); + act.sa_flags = 0; + act.sa_handler = host_alarm_handler; + + sigaction(SIGALRM, &act, NULL); + + itv.it_interval.tv_sec = 0; + /* for i386 kernel 2.6 to get 1 ms */ + itv.it_interval.tv_usec = 999; + itv.it_value.tv_sec = 0; + itv.it_value.tv_usec = 10 * 1000; + + err = setitimer(ITIMER_REAL, &itv, NULL); + if (err) + return -1; + + return 0; +} + +static void unix_stop_timer(struct qemu_alarm_timer *t) +{ + struct itimerval itv; + + memset(&itv, 0, sizeof(itv)); + setitimer(ITIMER_REAL, &itv, NULL); +} + +#endif /* !defined(_WIN32) */ + +#ifdef _WIN32 + +static int win32_start_timer(struct qemu_alarm_timer *t) +{ + TIMECAPS tc; + struct qemu_alarm_win32 *data = t->priv; + UINT flags; + + data->host_alarm = CreateEvent(NULL, FALSE, FALSE, NULL); + if (!data->host_alarm) { + perror("Failed CreateEvent"); + return -1; + } + + memset(&tc, 0, sizeof(tc)); + timeGetDevCaps(&tc, sizeof(tc)); + + if (data->period < tc.wPeriodMin) + data->period = tc.wPeriodMin; + + timeBeginPeriod(data->period); + + flags = TIME_CALLBACK_FUNCTION; + if (alarm_has_dynticks(t)) + flags |= TIME_ONESHOT; + else + flags |= TIME_PERIODIC; + + data->timerId = timeSetEvent(1, // interval (ms) + data->period, // resolution + host_alarm_handler, // function + (DWORD)t, // parameter + flags); + + if (!data->timerId) { + perror("Failed to initialize win32 alarm timer"); + + timeEndPeriod(data->period); + CloseHandle(data->host_alarm); + return -1; + } + + qemu_add_wait_object(data->host_alarm, NULL, NULL); + + return 0; +} + +static void win32_stop_timer(struct qemu_alarm_timer *t) +{ + struct qemu_alarm_win32 *data = t->priv; + + timeKillEvent(data->timerId); + timeEndPeriod(data->period); + + CloseHandle(data->host_alarm); +} + +static void win32_rearm_timer(struct qemu_alarm_timer *t) +{ + struct qemu_alarm_win32 *data = t->priv; + uint64_t nearest_delta_us; + + if (!active_timers[QEMU_TIMER_REALTIME] && + !active_timers[QEMU_TIMER_VIRTUAL]) + return; + + nearest_delta_us = qemu_next_deadline_dyntick(); + nearest_delta_us /= 1000; + + timeKillEvent(data->timerId); + + data->timerId = timeSetEvent(1, + data->period, + host_alarm_handler, + (DWORD)t, + TIME_ONESHOT | TIME_PERIODIC); + + if (!data->timerId) { + perror("Failed to re-arm win32 alarm timer"); + + timeEndPeriod(data->period); + CloseHandle(data->host_alarm); + exit(1); + } +} + +#endif /* _WIN32 */ + +static void init_timer_alarm(void) +{ + struct qemu_alarm_timer *t; + int i, err = -1; + + for (i = 0; alarm_timers[i].name; i++) { + t = &alarm_timers[i]; + + err = t->start(t); + if (!err) + break; + } + + if (err) { + fprintf(stderr, "Unable to find any suitable alarm timer.\n"); + fprintf(stderr, "Terminating\n"); + exit(1); + } + + alarm_timer = t; +} + +static void quit_timers(void) +{ + alarm_timer->stop(alarm_timer); + alarm_timer = NULL; +} + +/***********************************************************/ +/* host time/date access */ +void qemu_get_timedate(struct tm *tm, int offset) +{ + time_t ti; + struct tm *ret; + + time(&ti); + ti += offset; + if (rtc_date_offset == -1) { + if (rtc_utc) + ret = gmtime(&ti); + else + ret = localtime(&ti); + } else { + ti -= rtc_date_offset; + ret = gmtime(&ti); + } + + memcpy(tm, ret, sizeof(struct tm)); +} + +int qemu_timedate_diff(struct tm *tm) +{ + time_t seconds; + + if (rtc_date_offset == -1) + if (rtc_utc) + seconds = mktimegm(tm); + else + seconds = mktime(tm); + else + seconds = mktimegm(tm) + rtc_date_offset; + + return seconds - time(NULL); +} + + +#ifdef CONFIG_TRACE +static int tbflush_requested; +static int exit_requested; + +void start_tracing() +{ + if (trace_filename == NULL) + return; + if (!tracing) { + fprintf(stderr,"-- start tracing --\n"); + start_time = Now(); + } + tracing = 1; + tbflush_requested = 1; + if (cpu_single_env) + cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); +} + +void stop_tracing() +{ + if (trace_filename == NULL) + return; + if (tracing) { + end_time = Now(); + elapsed_usecs += end_time - start_time; + fprintf(stderr,"-- stop tracing --\n"); + } + tracing = 0; + tbflush_requested = 1; + if (cpu_single_env) + cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); +} + +#ifndef _WIN32 +/* This is the handler for the SIGUSR1 and SIGUSR2 signals. + * SIGUSR1 turns tracing on. SIGUSR2 turns tracing off. + */ +void sigusr_handler(int sig) +{ + if (sig == SIGUSR1) + start_tracing(); + else + stop_tracing(); +} +#endif + +/* This is the handler to catch control-C so that we can exit cleanly. + * This is needed when tracing to flush the buffers to disk. + */ +void sigint_handler(int sig) +{ + exit_requested = 1; + if (cpu_single_env) + cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); +} +#endif /* CONFIG_TRACE */ + + +/***********************************************************/ +/* character device */ + +static void qemu_chr_event(CharDriverState *s, int event) +{ + if (!s->chr_event) + return; + s->chr_event(s->handler_opaque, event); +} + +static void qemu_chr_reset_bh(void *opaque) +{ + CharDriverState *s = opaque; + qemu_chr_event(s, CHR_EVENT_RESET); + qemu_bh_delete(s->bh); + s->bh = NULL; +} + +void qemu_chr_reset(CharDriverState *s) +{ + if (s->bh == NULL) { + s->bh = qemu_bh_new(qemu_chr_reset_bh, s); + qemu_bh_schedule(s->bh); + } +} + +int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len) +{ + return s->chr_write(s, buf, len); +} + +int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg) +{ + if (!s->chr_ioctl) + return -ENOTSUP; + return s->chr_ioctl(s, cmd, arg); +} + +int qemu_chr_can_read(CharDriverState *s) +{ + if (!s->chr_can_read) + return 0; + return s->chr_can_read(s->handler_opaque); +} + +void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len) +{ + s->chr_read(s->handler_opaque, buf, len); +} + +void qemu_chr_accept_input(CharDriverState *s) +{ + if (s->chr_accept_input) + s->chr_accept_input(s); +} + +void qemu_chr_printf(CharDriverState *s, const char *fmt, ...) +{ + char buf[4096]; + va_list ap; + va_start(ap, fmt); + vsnprintf(buf, sizeof(buf), fmt, ap); + qemu_chr_write(s, (uint8_t *)buf, strlen(buf)); + va_end(ap); +} + +void qemu_chr_send_event(CharDriverState *s, int event) +{ + if (s->chr_send_event) + s->chr_send_event(s, event); +} + +void qemu_chr_add_handlers(CharDriverState *s, + IOCanRWHandler *fd_can_read, + IOReadHandler *fd_read, + IOEventHandler *fd_event, + void *opaque) +{ + s->chr_can_read = fd_can_read; + s->chr_read = fd_read; + s->chr_event = fd_event; + s->handler_opaque = opaque; + if (s->chr_update_read_handler) + s->chr_update_read_handler(s); +} + +static int null_chr_write(CharDriverState *chr, const uint8_t *buf, int len) +{ + return len; +} + +static CharDriverState *qemu_chr_open_null(void) +{ + CharDriverState *chr; + + chr = qemu_mallocz(sizeof(CharDriverState)); + if (!chr) + return NULL; + chr->chr_write = null_chr_write; + return chr; +} + +/* MUX driver for serial I/O splitting */ +static int term_timestamps; +static int64_t term_timestamps_start; +#define MAX_MUX 4 +#define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */ +#define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1) +typedef struct { + IOCanRWHandler *chr_can_read[MAX_MUX]; + IOReadHandler *chr_read[MAX_MUX]; + IOEventHandler *chr_event[MAX_MUX]; + void *ext_opaque[MAX_MUX]; + CharDriverState *drv; + unsigned char buffer[MUX_BUFFER_SIZE]; + int prod; + int cons; + int mux_cnt; + int term_got_escape; + int max_size; +} MuxDriver; + + +static int mux_chr_write(CharDriverState *chr, const uint8_t *buf, int len) +{ + MuxDriver *d = chr->opaque; + int ret; + if (!term_timestamps) { + ret = d->drv->chr_write(d->drv, buf, len); + } else { + int i; + + ret = 0; + for(i = 0; i < len; i++) { + ret += d->drv->chr_write(d->drv, buf+i, 1); + if (buf[i] == '\n') { + char buf1[64]; + int64_t ti; + int secs; + + ti = get_clock(); + if (term_timestamps_start == -1) + term_timestamps_start = ti; + ti -= term_timestamps_start; + secs = ti / 1000000000; + snprintf(buf1, sizeof(buf1), + "[%02d:%02d:%02d.%03d] ", + secs / 3600, + (secs / 60) % 60, + secs % 60, + (int)((ti / 1000000) % 1000)); + d->drv->chr_write(d->drv, (uint8_t *)buf1, strlen(buf1)); + } + } + } + return ret; +} + +static const char * const mux_help[] = { + "% h print this help\n\r", + "% x exit emulator\n\r", + "% s save disk data back to file (if -snapshot)\n\r", + "% t toggle console timestamps\n\r" + "% b send break (magic sysrq)\n\r", + "% c switch between console and monitor\n\r", + "% % sends %\n\r", + NULL +}; + +static int term_escape_char = 0x01; /* ctrl-a is used for escape */ +static void mux_print_help(CharDriverState *chr) +{ + int i, j; + char ebuf[15] = "Escape-Char"; + char cbuf[50] = "\n\r"; + + if (term_escape_char > 0 && term_escape_char < 26) { + snprintf(cbuf, sizeof(cbuf), "\n\r"); + snprintf(ebuf, sizeof(ebuf), "C-%c", term_escape_char - 1 + 'a'); + } else { + snprintf(cbuf, sizeof(cbuf), + "\n\rEscape-Char set to Ascii: 0x%02x\n\r\n\r", + term_escape_char); + } + chr->chr_write(chr, (uint8_t *)cbuf, strlen(cbuf)); + for (i = 0; mux_help[i] != NULL; i++) { + for (j=0; mux_help[i][j] != '\0'; j++) { + if (mux_help[i][j] == '%') + chr->chr_write(chr, (uint8_t *)ebuf, strlen(ebuf)); + else + chr->chr_write(chr, (uint8_t *)&mux_help[i][j], 1); + } + } +} + +static int mux_proc_byte(CharDriverState *chr, MuxDriver *d, int ch) +{ + if (d->term_got_escape) { + d->term_got_escape = 0; + if (ch == term_escape_char) + goto send_char; + switch(ch) { + case '?': + case 'h': + mux_print_help(chr); + break; + case 'x': + { + const char *term = "QEMU: Terminated\n\r"; + chr->chr_write(chr,(uint8_t *)term,strlen(term)); + exit(0); + break; + } + case 's': + { + int i; + for (i = 0; i < nb_drives; i++) { + bdrv_commit(drives_table[i].bdrv); + } + } + break; + case 'b': + qemu_chr_event(chr, CHR_EVENT_BREAK); + break; + case 'c': + /* Switch to the next registered device */ + chr->focus++; + if (chr->focus >= d->mux_cnt) + chr->focus = 0; + break; + case 't': + term_timestamps = !term_timestamps; + term_timestamps_start = -1; + break; + } + } else if (ch == term_escape_char) { + d->term_got_escape = 1; + } else { + send_char: + return 1; + } + return 0; +} + +static void mux_chr_accept_input(CharDriverState *chr) +{ + int m = chr->focus; + MuxDriver *d = chr->opaque; + + while (d->prod != d->cons && + d->chr_can_read[m] && + d->chr_can_read[m](d->ext_opaque[m])) { + d->chr_read[m](d->ext_opaque[m], + &d->buffer[d->cons++ & MUX_BUFFER_MASK], 1); + } +} + +static int mux_chr_can_read(void *opaque) +{ + CharDriverState *chr = opaque; + MuxDriver *d = chr->opaque; + + if ((d->prod - d->cons) < MUX_BUFFER_SIZE) + return 1; + if (d->chr_can_read[chr->focus]) + return d->chr_can_read[chr->focus](d->ext_opaque[chr->focus]); + return 0; +} + +static void mux_chr_read(void *opaque, const uint8_t *buf, int size) +{ + CharDriverState *chr = opaque; + MuxDriver *d = chr->opaque; + int m = chr->focus; + int i; + + mux_chr_accept_input (opaque); + + for(i = 0; i < size; i++) + if (mux_proc_byte(chr, d, buf[i])) { + if (d->prod == d->cons && + d->chr_can_read[m] && + d->chr_can_read[m](d->ext_opaque[m])) + d->chr_read[m](d->ext_opaque[m], &buf[i], 1); + else + d->buffer[d->prod++ & MUX_BUFFER_MASK] = buf[i]; + } +} + +static void mux_chr_event(void *opaque, int event) +{ + CharDriverState *chr = opaque; + MuxDriver *d = chr->opaque; + int i; + + /* Send the event to all registered listeners */ + for (i = 0; i < d->mux_cnt; i++) + if (d->chr_event[i]) + d->chr_event[i](d->ext_opaque[i], event); +} + +static void mux_chr_update_read_handler(CharDriverState *chr) +{ + MuxDriver *d = chr->opaque; + + if (d->mux_cnt >= MAX_MUX) { + fprintf(stderr, "Cannot add I/O handlers, MUX array is full\n"); + return; + } + d->ext_opaque[d->mux_cnt] = chr->handler_opaque; + d->chr_can_read[d->mux_cnt] = chr->chr_can_read; + d->chr_read[d->mux_cnt] = chr->chr_read; + d->chr_event[d->mux_cnt] = chr->chr_event; + /* Fix up the real driver with mux routines */ + if (d->mux_cnt == 0) { + qemu_chr_add_handlers(d->drv, mux_chr_can_read, mux_chr_read, + mux_chr_event, chr); + } + chr->focus = d->mux_cnt; + d->mux_cnt++; +} + +static CharDriverState *qemu_chr_open_mux(CharDriverState *drv) +{ + CharDriverState *chr; + MuxDriver *d; + + chr = qemu_mallocz(sizeof(CharDriverState)); + if (!chr) + return NULL; + d = qemu_mallocz(sizeof(MuxDriver)); + if (!d) { + free(chr); + return NULL; + } + + chr->opaque = d; + d->drv = drv; + chr->focus = -1; + chr->chr_write = mux_chr_write; + chr->chr_update_read_handler = mux_chr_update_read_handler; + chr->chr_accept_input = mux_chr_accept_input; + return chr; +} + + +#ifdef _WIN32 + +static int send_all(int fd, const uint8_t *buf, int len1) +{ + int ret, len; + + len = len1; + while (len > 0) { + ret = socket_send(fd, buf, len); + if (ret < 0) { + if (errno != EWOULDBLOCK) { + return -1; + } + } else if (ret == 0) { + break; + } else { + buf += ret; + len -= ret; + } + } + return len1 - len; +} + +#else + +static int unix_write(int fd, const uint8_t *buf, int len1) +{ + int ret, len; + + len = len1; + while (len > 0) { + ret = write(fd, buf, len); + if (ret < 0) { + if (errno != EINTR && errno != EAGAIN) + return -1; + } else if (ret == 0) { + break; + } else { + buf += ret; + len -= ret; + } + } + return len1 - len; +} + +static inline int send_all(int fd, const uint8_t *buf, int len1) +{ + return unix_write(fd, buf, len1); +} +#endif /* !_WIN32 */ + +#ifndef _WIN32 + +typedef struct { + int fd_in, fd_out; + int max_size; +} FDCharDriver; + +#define STDIO_MAX_CLIENTS 1 +static int stdio_nb_clients = 0; + +static int fd_chr_write(CharDriverState *chr, const uint8_t *buf, int len) +{ + FDCharDriver *s = chr->opaque; + return unix_write(s->fd_out, buf, len); +} + +static int fd_chr_read_poll(void *opaque) +{ + CharDriverState *chr = opaque; + FDCharDriver *s = chr->opaque; + + s->max_size = qemu_chr_can_read(chr); + return s->max_size; +} + +static void fd_chr_read(void *opaque) +{ + CharDriverState *chr = opaque; + FDCharDriver *s = chr->opaque; + int size, len; + uint8_t buf[1024]; + + len = sizeof(buf); + if (len > s->max_size) + len = s->max_size; + if (len == 0) + return; + size = read(s->fd_in, buf, len); + if (size == 0) { + /* FD has been closed. Remove it from the active list. */ + qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); + return; + } + if (size > 0) { + qemu_chr_read(chr, buf, size); + } +} + +static void fd_chr_update_read_handler(CharDriverState *chr) +{ + FDCharDriver *s = chr->opaque; + + if (s->fd_in >= 0) { + if (nographic && s->fd_in == 0) { + } else { + qemu_set_fd_handler2(s->fd_in, fd_chr_read_poll, + fd_chr_read, NULL, chr); + } + } +} + +static void fd_chr_close(struct CharDriverState *chr) +{ + FDCharDriver *s = chr->opaque; + + if (s->fd_in >= 0) { + if (nographic && s->fd_in == 0) { + } else { + qemu_set_fd_handler2(s->fd_in, NULL, NULL, NULL, NULL); + } + } + + qemu_free(s); +} + +/* open a character device to a unix fd */ +static CharDriverState *qemu_chr_open_fd(int fd_in, int fd_out) +{ + CharDriverState *chr; + FDCharDriver *s; + + chr = qemu_mallocz(sizeof(CharDriverState)); + if (!chr) + return NULL; + s = qemu_mallocz(sizeof(FDCharDriver)); + if (!s) { + free(chr); + return NULL; + } + s->fd_in = fd_in; + s->fd_out = fd_out; + chr->opaque = s; + chr->chr_write = fd_chr_write; + chr->chr_update_read_handler = fd_chr_update_read_handler; + chr->chr_close = fd_chr_close; + + qemu_chr_reset(chr); + + return chr; +} + +static CharDriverState *qemu_chr_open_file_out(const char *file_out) +{ + int fd_out; + + TFR(fd_out = open(file_out, O_WRONLY | O_TRUNC | O_CREAT | O_BINARY, 0666)); + if (fd_out < 0) + return NULL; + return qemu_chr_open_fd(-1, fd_out); +} + +static CharDriverState *qemu_chr_open_pipe(const char *filename) +{ + int fd_in, fd_out; + char filename_in[256], filename_out[256]; + + snprintf(filename_in, 256, "%s.in", filename); + snprintf(filename_out, 256, "%s.out", filename); + TFR(fd_in = open(filename_in, O_RDWR | O_BINARY)); + TFR(fd_out = open(filename_out, O_RDWR | O_BINARY)); + if (fd_in < 0 || fd_out < 0) { + if (fd_in >= 0) + close(fd_in); + if (fd_out >= 0) + close(fd_out); + TFR(fd_in = fd_out = open(filename, O_RDWR | O_BINARY)); + if (fd_in < 0) + return NULL; + } + return qemu_chr_open_fd(fd_in, fd_out); +} + +CharDriverState *qemu_chr_open_fdpair(const char *fd_pair) +{ + int fd_in, fd_out; + char *endptr; + + /* fd_pair should contain two decimal fd values, separated by + * a colon. */ + endptr = NULL; + fd_in = strtol(fd_pair, &endptr, 10); + if (endptr == NULL || endptr == fd_pair || *endptr != ':') + return NULL; + endptr++; // skip colon + fd_pair = endptr; + endptr = NULL; + fd_out = strtol(fd_pair, &endptr, 10); + if (endptr == NULL || endptr == fd_pair || *endptr != '\0') + return NULL; + + return qemu_chr_open_fd(fd_in, fd_out); +} + + +/* for STDIO, we handle the case where several clients use it + (nographic mode) */ + +#define TERM_FIFO_MAX_SIZE 1 + +static uint8_t term_fifo[TERM_FIFO_MAX_SIZE]; +static int term_fifo_size; + +static int stdio_read_poll(void *opaque) +{ + CharDriverState *chr = opaque; + + /* try to flush the queue if needed */ + if (term_fifo_size != 0 && qemu_chr_can_read(chr) > 0) { + qemu_chr_read(chr, term_fifo, 1); + term_fifo_size = 0; + } + /* see if we can absorb more chars */ + if (term_fifo_size == 0) + return 1; + else + return 0; +} + +static void stdio_read(void *opaque) +{ + int size; + uint8_t buf[1]; + CharDriverState *chr = opaque; + + size = read(0, buf, 1); + if (size == 0) { + /* stdin has been closed. Remove it from the active list. */ + qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); + return; + } + if (size > 0) { + if (qemu_chr_can_read(chr) > 0) { + qemu_chr_read(chr, buf, 1); + } else if (term_fifo_size == 0) { + term_fifo[term_fifo_size++] = buf[0]; + } + } +} + +/* init terminal so that we can grab keys */ +static struct termios oldtty; +static int old_fd0_flags; +static int term_atexit_done; + +static void term_exit(void) +{ + tcsetattr (0, TCSANOW, &oldtty); + fcntl(0, F_SETFL, old_fd0_flags); +} + +static void term_init(void) +{ + struct termios tty; + + tcgetattr (0, &tty); + oldtty = tty; + old_fd0_flags = fcntl(0, F_GETFL); + + tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP + |INLCR|IGNCR|ICRNL|IXON); + tty.c_oflag |= OPOST; + tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); + /* if graphical mode, we allow Ctrl-C handling */ + if (nographic) + tty.c_lflag &= ~ISIG; + tty.c_cflag &= ~(CSIZE|PARENB); + tty.c_cflag |= CS8; + tty.c_cc[VMIN] = 1; + tty.c_cc[VTIME] = 0; + + tcsetattr (0, TCSANOW, &tty); + + if (!term_atexit_done++) + atexit(term_exit); + + fcntl(0, F_SETFL, O_NONBLOCK); +} + +static void qemu_chr_close_stdio(struct CharDriverState *chr) +{ + term_exit(); + stdio_nb_clients--; + qemu_set_fd_handler2(0, NULL, NULL, NULL, NULL); + fd_chr_close(chr); +} + +static CharDriverState *qemu_chr_open_stdio(void) +{ + CharDriverState *chr; + + if (stdio_nb_clients >= STDIO_MAX_CLIENTS) + return NULL; + chr = qemu_chr_open_fd(0, 1); + chr->chr_close = qemu_chr_close_stdio; + qemu_set_fd_handler2(0, stdio_read_poll, stdio_read, NULL, chr); + stdio_nb_clients++; + term_init(); + + return chr; +} + +#ifdef __sun__ +/* Once Solaris has openpty(), this is going to be removed. */ +int openpty(int *amaster, int *aslave, char *name, + struct termios *termp, struct winsize *winp) +{ + const char *slave; + int mfd = -1, sfd = -1; + + *amaster = *aslave = -1; + + mfd = open("/dev/ptmx", O_RDWR | O_NOCTTY); + if (mfd < 0) + goto err; + + if (grantpt(mfd) == -1 || unlockpt(mfd) == -1) + goto err; + + if ((slave = ptsname(mfd)) == NULL) + goto err; + + if ((sfd = open(slave, O_RDONLY | O_NOCTTY)) == -1) + goto err; + + if (ioctl(sfd, I_PUSH, "ptem") == -1 || + (termp != NULL && tcgetattr(sfd, termp) < 0)) + goto err; + + if (amaster) + *amaster = mfd; + if (aslave) + *aslave = sfd; + if (winp) + ioctl(sfd, TIOCSWINSZ, winp); + + return 0; + +err: + if (sfd != -1) + close(sfd); + close(mfd); + return -1; +} + +void cfmakeraw (struct termios *termios_p) +{ + termios_p->c_iflag &= + ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); + termios_p->c_oflag &= ~OPOST; + termios_p->c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); + termios_p->c_cflag &= ~(CSIZE|PARENB); + termios_p->c_cflag |= CS8; + + termios_p->c_cc[VMIN] = 0; + termios_p->c_cc[VTIME] = 0; +} +#endif /* __sun__ */ + +#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ + || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) + +typedef struct { + int fd; + int connected; + int polling; + int read_bytes; + QEMUTimer *timer; +} PtyCharDriver; + +static void pty_chr_update_read_handler(CharDriverState *chr); +static void pty_chr_state(CharDriverState *chr, int connected); + +static int pty_chr_write(CharDriverState *chr, const uint8_t *buf, int len) +{ + PtyCharDriver *s = chr->opaque; + + if (!s->connected) { + /* guest sends data, check for (re-)connect */ + pty_chr_update_read_handler(chr); + return 0; + } + return unix_write(s->fd, buf, len); +} + +static int pty_chr_read_poll(void *opaque) +{ + CharDriverState *chr = opaque; + PtyCharDriver *s = chr->opaque; + + s->read_bytes = qemu_chr_can_read(chr); + return s->read_bytes; +} + +static void pty_chr_read(void *opaque) +{ + CharDriverState *chr = opaque; + PtyCharDriver *s = chr->opaque; + int size, len; + uint8_t buf[1024]; + + len = sizeof(buf); + if (len > s->read_bytes) + len = s->read_bytes; + if (len == 0) + return; + size = read(s->fd, buf, len); + if ((size == -1 && errno == EIO) || + (size == 0)) { + pty_chr_state(chr, 0); + return; + } + if (size > 0) { + pty_chr_state(chr, 1); + qemu_chr_read(chr, buf, size); + } +} + +static void pty_chr_update_read_handler(CharDriverState *chr) +{ + PtyCharDriver *s = chr->opaque; + + qemu_set_fd_handler2(s->fd, pty_chr_read_poll, + pty_chr_read, NULL, chr); + s->polling = 1; + /* + * Short timeout here: just need wait long enougth that qemu makes + * it through the poll loop once. When reconnected we want a + * short timeout so we notice it almost instantly. Otherwise + * read() gives us -EIO instantly, making pty_chr_state() reset the + * timeout to the normal (much longer) poll interval before the + * timer triggers. + */ + qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 10); +} + +static void pty_chr_state(CharDriverState *chr, int connected) +{ + PtyCharDriver *s = chr->opaque; + + if (!connected) { + qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); + s->connected = 0; + s->polling = 0; + /* (re-)connect poll interval for idle guests: once per second. + * We check more frequently in case the guests sends data to + * the virtual device linked to our pty. */ + qemu_mod_timer(s->timer, qemu_get_clock(rt_clock) + 1000); + } else { + if (!s->connected) + qemu_chr_reset(chr); + s->connected = 1; + } +} + +static void pty_chr_timer(void *opaque) +{ + struct CharDriverState *chr = opaque; + PtyCharDriver *s = chr->opaque; + + if (s->connected) + return; + if (s->polling) { + /* If we arrive here without polling being cleared due + * read returning -EIO, then we are (re-)connected */ + pty_chr_state(chr, 1); + return; + } + + /* Next poll ... */ + pty_chr_update_read_handler(chr); +} + +static void pty_chr_close(struct CharDriverState *chr) +{ + PtyCharDriver *s = chr->opaque; + + qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL); + close(s->fd); + qemu_free(s); +} + +static CharDriverState *qemu_chr_open_pty(void) +{ + CharDriverState *chr; + PtyCharDriver *s; + struct termios tty; + int slave_fd; +#if defined(__OpenBSD__) + char pty_name[PATH_MAX]; +#define q_ptsname(x) pty_name +#else + char *pty_name = NULL; +#define q_ptsname(x) ptsname(x) +#endif + + chr = qemu_mallocz(sizeof(CharDriverState)); + if (!chr) + return NULL; + s = qemu_mallocz(sizeof(PtyCharDriver)); + if (!s) { + qemu_free(chr); + return NULL; + } + + if (openpty(&s->fd, &slave_fd, pty_name, NULL, NULL) < 0) { + return NULL; + } + + /* Set raw attributes on the pty. */ + cfmakeraw(&tty); + tcsetattr(slave_fd, TCSAFLUSH, &tty); + close(slave_fd); + + fprintf(stderr, "char device redirected to %s\n", q_ptsname(s->fd)); + + chr->opaque = s; + chr->chr_write = pty_chr_write; + chr->chr_update_read_handler = pty_chr_update_read_handler; + chr->chr_close = pty_chr_close; + + s->timer = qemu_new_timer(rt_clock, pty_chr_timer, chr); + + return chr; +} +#endif /* __linux__ || __sun__ || __xxxBSD__ */ + +static void tty_serial_init(int fd, int speed, + int parity, int data_bits, int stop_bits) +{ + struct termios tty; + speed_t spd; + +#if 0 + printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n", + speed, parity, data_bits, stop_bits); +#endif + tcgetattr (fd, &tty); + +#define MARGIN 1.1 + if (speed <= 50 * MARGIN) + spd = B50; + else if (speed <= 75 * MARGIN) + spd = B75; + else if (speed <= 300 * MARGIN) + spd = B300; + else if (speed <= 600 * MARGIN) + spd = B600; + else if (speed <= 1200 * MARGIN) + spd = B1200; + else if (speed <= 2400 * MARGIN) + spd = B2400; + else if (speed <= 4800 * MARGIN) + spd = B4800; + else if (speed <= 9600 * MARGIN) + spd = B9600; + else if (speed <= 19200 * MARGIN) + spd = B19200; + else if (speed <= 38400 * MARGIN) + spd = B38400; + else if (speed <= 57600 * MARGIN) + spd = B57600; + else if (speed <= 115200 * MARGIN) + spd = B115200; + else + spd = B115200; + + cfsetispeed(&tty, spd); + cfsetospeed(&tty, spd); + + tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP + |INLCR|IGNCR|ICRNL|IXON); + tty.c_oflag |= OPOST; + tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG); + tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB); + switch(data_bits) { + default: + case 8: + tty.c_cflag |= CS8; + break; + case 7: + tty.c_cflag |= CS7; + break; + case 6: + tty.c_cflag |= CS6; + break; + case 5: + tty.c_cflag |= CS5; + break; + } + switch(parity) { + default: + case 'N': + break; + case 'E': + tty.c_cflag |= PARENB; + break; + case 'O': + tty.c_cflag |= PARENB | PARODD; + break; + } + if (stop_bits == 2) + tty.c_cflag |= CSTOPB; + + tcsetattr (fd, TCSANOW, &tty); +} + +static int tty_serial_ioctl(CharDriverState *chr, int cmd, void *arg) +{ + FDCharDriver *s = chr->opaque; + + switch(cmd) { + case CHR_IOCTL_SERIAL_SET_PARAMS: + { + QEMUSerialSetParams *ssp = arg; + tty_serial_init(s->fd_in, ssp->speed, ssp->parity, + ssp->data_bits, ssp->stop_bits); + } + break; + case CHR_IOCTL_SERIAL_SET_BREAK: + { + int enable = *(int *)arg; + if (enable) + tcsendbreak(s->fd_in, 1); + } + break; + case CHR_IOCTL_SERIAL_GET_TIOCM: + { + int sarg = 0; + int *targ = (int *)arg; + ioctl(s->fd_in, TIOCMGET, &sarg); + *targ = 0; + if (sarg | TIOCM_CTS) + *targ |= CHR_TIOCM_CTS; + if (sarg | TIOCM_CAR) + *targ |= CHR_TIOCM_CAR; + if (sarg | TIOCM_DSR) + *targ |= CHR_TIOCM_DSR; + if (sarg | TIOCM_RI) + *targ |= CHR_TIOCM_RI; + if (sarg | TIOCM_DTR) + *targ |= CHR_TIOCM_DTR; + if (sarg | TIOCM_RTS) + *targ |= CHR_TIOCM_RTS; + } + break; + case CHR_IOCTL_SERIAL_SET_TIOCM: + { + int sarg = *(int *)arg; + int targ = 0; + if (sarg | CHR_TIOCM_DTR) + targ |= TIOCM_DTR; + if (sarg | CHR_TIOCM_RTS) + targ |= TIOCM_RTS; + ioctl(s->fd_in, TIOCMSET, &targ); + } + break; + default: + return -ENOTSUP; + } + return 0; +} + +static CharDriverState *qemu_chr_open_tty(const char *filename) +{ + CharDriverState *chr; + int fd; + + TFR(fd = open(filename, O_RDWR | O_NONBLOCK)); + tty_serial_init(fd, 115200, 'N', 8, 1); + chr = qemu_chr_open_fd(fd, fd); + if (!chr) { + close(fd); + return NULL; + } + chr->chr_ioctl = tty_serial_ioctl; + qemu_chr_reset(chr); + return chr; +} + +#if defined(__linux__) +typedef struct { + int fd; + int mode; +} ParallelCharDriver; + +static int pp_hw_mode(ParallelCharDriver *s, uint16_t mode) +{ + if (s->mode != mode) { + int m = mode; + if (ioctl(s->fd, PPSETMODE, &m) < 0) + return 0; + s->mode = mode; + } + return 1; +} + +static int pp_ioctl(CharDriverState *chr, int cmd, void *arg) +{ + ParallelCharDriver *drv = chr->opaque; + int fd = drv->fd; + uint8_t b; + + switch(cmd) { + case CHR_IOCTL_PP_READ_DATA: + if (ioctl(fd, PPRDATA, &b) < 0) + return -ENOTSUP; + *(uint8_t *)arg = b; + break; + case CHR_IOCTL_PP_WRITE_DATA: + b = *(uint8_t *)arg; + if (ioctl(fd, PPWDATA, &b) < 0) + return -ENOTSUP; + break; + case CHR_IOCTL_PP_READ_CONTROL: + if (ioctl(fd, PPRCONTROL, &b) < 0) + return -ENOTSUP; + /* Linux gives only the lowest bits, and no way to know data + direction! For better compatibility set the fixed upper + bits. */ + *(uint8_t *)arg = b | 0xc0; + break; + case CHR_IOCTL_PP_WRITE_CONTROL: + b = *(uint8_t *)arg; + if (ioctl(fd, PPWCONTROL, &b) < 0) + return -ENOTSUP; + break; + case CHR_IOCTL_PP_READ_STATUS: + if (ioctl(fd, PPRSTATUS, &b) < 0) + return -ENOTSUP; + *(uint8_t *)arg = b; + break; + case CHR_IOCTL_PP_DATA_DIR: + if (ioctl(fd, PPDATADIR, (int *)arg) < 0) + return -ENOTSUP; + break; + case CHR_IOCTL_PP_EPP_READ_ADDR: + if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { + struct ParallelIOArg *parg = arg; + int n = read(fd, parg->buffer, parg->count); + if (n != parg->count) { + return -EIO; + } + } + break; + case CHR_IOCTL_PP_EPP_READ: + if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { + struct ParallelIOArg *parg = arg; + int n = read(fd, parg->buffer, parg->count); + if (n != parg->count) { + return -EIO; + } + } + break; + case CHR_IOCTL_PP_EPP_WRITE_ADDR: + if (pp_hw_mode(drv, IEEE1284_MODE_EPP|IEEE1284_ADDR)) { + struct ParallelIOArg *parg = arg; + int n = write(fd, parg->buffer, parg->count); + if (n != parg->count) { + return -EIO; + } + } + break; + case CHR_IOCTL_PP_EPP_WRITE: + if (pp_hw_mode(drv, IEEE1284_MODE_EPP)) { + struct ParallelIOArg *parg = arg; + int n = write(fd, parg->buffer, parg->count); + if (n != parg->count) { + return -EIO; + } + } + break; + default: + return -ENOTSUP; + } + return 0; +} + +static void pp_close(CharDriverState *chr) +{ + ParallelCharDriver *drv = chr->opaque; + int fd = drv->fd; + + pp_hw_mode(drv, IEEE1284_MODE_COMPAT); + ioctl(fd, PPRELEASE); + close(fd); + qemu_free(drv); +} + +static CharDriverState *qemu_chr_open_pp(const char *filename) +{ + CharDriverState *chr; + ParallelCharDriver *drv; + int fd; + + TFR(fd = open(filename, O_RDWR)); + if (fd < 0) + return NULL; + + if (ioctl(fd, PPCLAIM) < 0) { + close(fd); + return NULL; + } + + drv = qemu_mallocz(sizeof(ParallelCharDriver)); + if (!drv) { + close(fd); + return NULL; + } + drv->fd = fd; + drv->mode = IEEE1284_MODE_COMPAT; + + chr = qemu_mallocz(sizeof(CharDriverState)); + if (!chr) { + qemu_free(drv); + close(fd); + return NULL; + } + chr->chr_write = null_chr_write; + chr->chr_ioctl = pp_ioctl; + chr->chr_close = pp_close; + chr->opaque = drv; + + qemu_chr_reset(chr); + + return chr; +} +#endif /* __linux__ */ + +#else /* _WIN32 */ + +typedef struct { + int max_size; + HANDLE hcom, hrecv, hsend; + OVERLAPPED orecv, osend; + BOOL fpipe; + DWORD len; +} WinCharState; + +#define NSENDBUF 2048 +#define NRECVBUF 2048 +#define MAXCONNECT 1 +#define NTIMEOUT 5000 + +static int win_chr_poll(void *opaque); +static int win_chr_pipe_poll(void *opaque); + +static void win_chr_close(CharDriverState *chr) +{ + WinCharState *s = chr->opaque; + + if (s->hsend) { + CloseHandle(s->hsend); + s->hsend = NULL; + } + if (s->hrecv) { + CloseHandle(s->hrecv); + s->hrecv = NULL; + } + if (s->hcom) { + CloseHandle(s->hcom); + s->hcom = NULL; + } + if (s->fpipe) + qemu_del_polling_cb(win_chr_pipe_poll, chr); + else + qemu_del_polling_cb(win_chr_poll, chr); +} + +static int win_chr_init(CharDriverState *chr, const char *filename) +{ + WinCharState *s = chr->opaque; + COMMCONFIG comcfg; + COMMTIMEOUTS cto = { 0, 0, 0, 0, 0}; + COMSTAT comstat; + DWORD size; + DWORD err; + + s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); + if (!s->hsend) { + fprintf(stderr, "Failed CreateEvent\n"); + goto fail; + } + s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); + if (!s->hrecv) { + fprintf(stderr, "Failed CreateEvent\n"); + goto fail; + } + + s->hcom = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, + OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0); + if (s->hcom == INVALID_HANDLE_VALUE) { + fprintf(stderr, "Failed CreateFile (%lu)\n", GetLastError()); + s->hcom = NULL; + goto fail; + } + + if (!SetupComm(s->hcom, NRECVBUF, NSENDBUF)) { + fprintf(stderr, "Failed SetupComm\n"); + goto fail; + } + + ZeroMemory(&comcfg, sizeof(COMMCONFIG)); + size = sizeof(COMMCONFIG); + GetDefaultCommConfig(filename, &comcfg, &size); + comcfg.dcb.DCBlength = sizeof(DCB); + CommConfigDialog(filename, NULL, &comcfg); + + if (!SetCommState(s->hcom, &comcfg.dcb)) { + fprintf(stderr, "Failed SetCommState\n"); + goto fail; + } + + if (!SetCommMask(s->hcom, EV_ERR)) { + fprintf(stderr, "Failed SetCommMask\n"); + goto fail; + } + + cto.ReadIntervalTimeout = MAXDWORD; + if (!SetCommTimeouts(s->hcom, &cto)) { + fprintf(stderr, "Failed SetCommTimeouts\n"); + goto fail; + } + + if (!ClearCommError(s->hcom, &err, &comstat)) { + fprintf(stderr, "Failed ClearCommError\n"); + goto fail; + } + qemu_add_polling_cb(win_chr_poll, chr); + return 0; + + fail: + win_chr_close(chr); + return -1; +} + +static int win_chr_write(CharDriverState *chr, const uint8_t *buf, int len1) +{ + WinCharState *s = chr->opaque; + DWORD len, ret, size, err; + + len = len1; + ZeroMemory(&s->osend, sizeof(s->osend)); + s->osend.hEvent = s->hsend; + while (len > 0) { + if (s->hsend) + ret = WriteFile(s->hcom, buf, len, &size, &s->osend); + else + ret = WriteFile(s->hcom, buf, len, &size, NULL); + if (!ret) { + err = GetLastError(); + if (err == ERROR_IO_PENDING) { + ret = GetOverlappedResult(s->hcom, &s->osend, &size, TRUE); + if (ret) { + buf += size; + len -= size; + } else { + break; + } + } else { + break; + } + } else { + buf += size; + len -= size; + } + } + return len1 - len; +} + +static int win_chr_read_poll(CharDriverState *chr) +{ + WinCharState *s = chr->opaque; + + s->max_size = qemu_chr_can_read(chr); + return s->max_size; +} + +static void win_chr_readfile(CharDriverState *chr) +{ + WinCharState *s = chr->opaque; + int ret, err; + uint8_t buf[1024]; + DWORD size; + + ZeroMemory(&s->orecv, sizeof(s->orecv)); + s->orecv.hEvent = s->hrecv; + ret = ReadFile(s->hcom, buf, s->len, &size, &s->orecv); + if (!ret) { + err = GetLastError(); + if (err == ERROR_IO_PENDING) { + ret = GetOverlappedResult(s->hcom, &s->orecv, &size, TRUE); + } + } + + if (size > 0) { + qemu_chr_read(chr, buf, size); + } +} + +static void win_chr_read(CharDriverState *chr) +{ + WinCharState *s = chr->opaque; + + if (s->len > s->max_size) + s->len = s->max_size; + if (s->len == 0) + return; + + win_chr_readfile(chr); +} + +static int win_chr_poll(void *opaque) +{ + CharDriverState *chr = opaque; + WinCharState *s = chr->opaque; + COMSTAT status; + DWORD comerr; + + ClearCommError(s->hcom, &comerr, &status); + if (status.cbInQue > 0) { + s->len = status.cbInQue; + win_chr_read_poll(chr); + win_chr_read(chr); + return 1; + } + return 0; +} + +static CharDriverState *qemu_chr_open_win(const char *filename) +{ + CharDriverState *chr; + WinCharState *s; + + chr = qemu_mallocz(sizeof(CharDriverState)); + if (!chr) + return NULL; + s = qemu_mallocz(sizeof(WinCharState)); + if (!s) { + free(chr); + return NULL; + } + chr->opaque = s; + chr->chr_write = win_chr_write; + chr->chr_close = win_chr_close; + + if (win_chr_init(chr, filename) < 0) { + free(s); + free(chr); + return NULL; + } + qemu_chr_reset(chr); + return chr; +} + +static int win_chr_pipe_poll(void *opaque) +{ + CharDriverState *chr = opaque; + WinCharState *s = chr->opaque; + DWORD size; + + PeekNamedPipe(s->hcom, NULL, 0, NULL, &size, NULL); + if (size > 0) { + s->len = size; + win_chr_read_poll(chr); + win_chr_read(chr); + return 1; + } + return 0; +} + +static int win_chr_pipe_init(CharDriverState *chr, const char *filename) +{ + WinCharState *s = chr->opaque; + OVERLAPPED ov; + int ret; + DWORD size; + char openname[256]; + + s->fpipe = TRUE; + + s->hsend = CreateEvent(NULL, TRUE, FALSE, NULL); + if (!s->hsend) { + fprintf(stderr, "Failed CreateEvent\n"); + goto fail; + } + s->hrecv = CreateEvent(NULL, TRUE, FALSE, NULL); + if (!s->hrecv) { + fprintf(stderr, "Failed CreateEvent\n"); + goto fail; + } + + snprintf(openname, sizeof(openname), "\\\\.\\pipe\\%s", filename); + s->hcom = CreateNamedPipe(openname, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, + PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | + PIPE_WAIT, + MAXCONNECT, NSENDBUF, NRECVBUF, NTIMEOUT, NULL); + if (s->hcom == INVALID_HANDLE_VALUE) { + fprintf(stderr, "Failed CreateNamedPipe (%lu)\n", GetLastError()); + s->hcom = NULL; + goto fail; + } + + ZeroMemory(&ov, sizeof(ov)); + ov.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL); + ret = ConnectNamedPipe(s->hcom, &ov); + if (ret) { + fprintf(stderr, "Failed ConnectNamedPipe\n"); + goto fail; + } + + ret = GetOverlappedResult(s->hcom, &ov, &size, TRUE); + if (!ret) { + fprintf(stderr, "Failed GetOverlappedResult\n"); + if (ov.hEvent) { + CloseHandle(ov.hEvent); + ov.hEvent = NULL; + } + goto fail; + } + + if (ov.hEvent) { + CloseHandle(ov.hEvent); + ov.hEvent = NULL; + } + qemu_add_polling_cb(win_chr_pipe_poll, chr); + return 0; + + fail: + win_chr_close(chr); + return -1; +} + + +static CharDriverState *qemu_chr_open_win_pipe(const char *filename) +{ + CharDriverState *chr; + WinCharState *s; + + chr = qemu_mallocz(sizeof(CharDriverState)); + if (!chr) + return NULL; + s = qemu_mallocz(sizeof(WinCharState)); + if (!s) { + free(chr); + return NULL; + } + chr->opaque = s; + chr->chr_write = win_chr_write; + chr->chr_close = win_chr_close; + + if (win_chr_pipe_init(chr, filename) < 0) { + free(s); + free(chr); + return NULL; + } + qemu_chr_reset(chr); + return chr; +} + +static CharDriverState *qemu_chr_open_win_file(HANDLE fd_out) +{ + CharDriverState *chr; + WinCharState *s; + + chr = qemu_mallocz(sizeof(CharDriverState)); + if (!chr) + return NULL; + s = qemu_mallocz(sizeof(WinCharState)); + if (!s) { + free(chr); + return NULL; + } + s->hcom = fd_out; + chr->opaque = s; + chr->chr_write = win_chr_write; + qemu_chr_reset(chr); + return chr; +} + +static CharDriverState *qemu_chr_open_win_con(const char *filename) +{ + return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE)); +} + +static CharDriverState *qemu_chr_open_win_file_out(const char *file_out) +{ + HANDLE fd_out; + + fd_out = CreateFile(file_out, GENERIC_WRITE, FILE_SHARE_READ, NULL, + OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); + if (fd_out == INVALID_HANDLE_VALUE) + return NULL; + + return qemu_chr_open_win_file(fd_out); +} +#endif /* !_WIN32 */ + +/***********************************************************/ +/* UDP Net console */ + +typedef struct { + int fd; + SockAddress daddr; + uint8_t buf[1024]; + int bufcnt; + int bufptr; + int max_size; +} NetCharDriver; + +static int udp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) +{ + NetCharDriver *s = chr->opaque; + + return socket_sendto(s->fd, buf, len, &s->daddr); +} + +static int udp_chr_read_poll(void *opaque) +{ + CharDriverState *chr = opaque; + NetCharDriver *s = chr->opaque; + + s->max_size = qemu_chr_can_read(chr); + + /* If there were any stray characters in the queue process them + * first + */ + while (s->max_size > 0 && s->bufptr < s->bufcnt) { + qemu_chr_read(chr, &s->buf[s->bufptr], 1); + s->bufptr++; + s->max_size = qemu_chr_can_read(chr); + } + return s->max_size; +} + +static void udp_chr_read(void *opaque) +{ + CharDriverState *chr = opaque; + NetCharDriver *s = chr->opaque; + + if (s->max_size == 0) + return; + s->bufcnt = recv(s->fd, s->buf, sizeof(s->buf), 0); + s->bufptr = s->bufcnt; + if (s->bufcnt <= 0) + return; + + s->bufptr = 0; + while (s->max_size > 0 && s->bufptr < s->bufcnt) { + qemu_chr_read(chr, &s->buf[s->bufptr], 1); + s->bufptr++; + s->max_size = qemu_chr_can_read(chr); + } +} + +static void udp_chr_update_read_handler(CharDriverState *chr) +{ + NetCharDriver *s = chr->opaque; + + if (s->fd >= 0) { + qemu_set_fd_handler2(s->fd, udp_chr_read_poll, + udp_chr_read, NULL, chr); + } +} + +int parse_host_port(SockAddress *saddr, const char *str); +int parse_host_src_port(SockAddress *haddr, + SockAddress *saddr, + const char *str); +#ifndef _WIN32 +static int parse_unix_path(SockAddress *uaddr, const char* str); +#endif + +static CharDriverState *qemu_chr_open_udp(const char *def) +{ + CharDriverState *chr = NULL; + NetCharDriver *s = NULL; + int fd = -1; + SockAddress saddr; + + chr = qemu_mallocz(sizeof(CharDriverState)); + if (!chr) + goto return_err; + s = qemu_mallocz(sizeof(NetCharDriver)); + if (!s) + goto return_err; + + fd = socket(PF_INET, SOCK_DGRAM, 0); + if (fd < 0) { + perror("socket(PF_INET, SOCK_DGRAM)"); + goto return_err; + } + + if (parse_host_src_port(&s->daddr, &saddr, def) < 0) { + printf("Could not parse: %s\n", def); + goto return_err; + } + + if (socket_bind(fd, &saddr) < 0) + { + perror("bind"); + goto return_err; + } + + s->fd = fd; + s->bufcnt = 0; + s->bufptr = 0; + chr->opaque = s; + chr->chr_write = udp_chr_write; + chr->chr_update_read_handler = udp_chr_update_read_handler; + return chr; + +return_err: + if (chr) + free(chr); + if (s) + free(s); + if (fd >= 0) + closesocket(fd); + return NULL; +} + +/***********************************************************/ +/* TCP Net console */ + +typedef struct { + int fd, listen_fd; + int connected; + int max_size; + int do_telnetopt; + int do_nodelay; + int is_unix; +} TCPCharDriver; + +static void tcp_chr_accept(void *opaque); + +static int tcp_chr_write(CharDriverState *chr, const uint8_t *buf, int len) +{ + TCPCharDriver *s = chr->opaque; + if (s->connected) { + return send_all(s->fd, buf, len); + } else { + /* XXX: indicate an error ? */ + return len; + } +} + +static int tcp_chr_read_poll(void *opaque) +{ + CharDriverState *chr = opaque; + TCPCharDriver *s = chr->opaque; + if (!s->connected) + return 0; + s->max_size = qemu_chr_can_read(chr); + return s->max_size; +} + +#define IAC 255 +#define IAC_BREAK 243 +static void tcp_chr_process_IAC_bytes(CharDriverState *chr, + TCPCharDriver *s, + uint8_t *buf, int *size) +{ + /* Handle any telnet client's basic IAC options to satisfy char by + * char mode with no echo. All IAC options will be removed from + * the buf and the do_telnetopt variable will be used to track the + * state of the width of the IAC information. + * + * IAC commands come in sets of 3 bytes with the exception of the + * "IAC BREAK" command and the double IAC. + */ + + int i; + int j = 0; + + for (i = 0; i < *size; i++) { + if (s->do_telnetopt > 1) { + if ((unsigned char)buf[i] == IAC && s->do_telnetopt == 2) { + /* Double IAC means send an IAC */ + if (j != i) + buf[j] = buf[i]; + j++; + s->do_telnetopt = 1; + } else { + if ((unsigned char)buf[i] == IAC_BREAK && s->do_telnetopt == 2) { + /* Handle IAC break commands by sending a serial break */ + qemu_chr_event(chr, CHR_EVENT_BREAK); + s->do_telnetopt++; + } + s->do_telnetopt++; + } + if (s->do_telnetopt >= 4) { + s->do_telnetopt = 1; + } + } else { + if ((unsigned char)buf[i] == IAC) { + s->do_telnetopt = 2; + } else { + if (j != i) + buf[j] = buf[i]; + j++; + } + } + } + *size = j; +} + +static void tcp_chr_read(void *opaque) +{ + CharDriverState *chr = opaque; + TCPCharDriver *s = chr->opaque; + uint8_t buf[1024]; + int len, size; + + if (!s->connected || s->max_size <= 0) + return; + len = sizeof(buf); + if (len > s->max_size) + len = s->max_size; + size = socket_recv(s->fd, buf, len); + if (size == 0) { + /* connection closed */ + s->connected = 0; + if (s->listen_fd >= 0) { + qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); + } + qemu_set_fd_handler(s->fd, NULL, NULL, NULL); + socket_close(s->fd); + s->fd = -1; + } else if (size > 0) { + if (s->do_telnetopt) + tcp_chr_process_IAC_bytes(chr, s, buf, &size); + if (size > 0) + qemu_chr_read(chr, buf, size); + } +} + +static void tcp_chr_connect(void *opaque) +{ + CharDriverState *chr = opaque; + TCPCharDriver *s = chr->opaque; + + s->connected = 1; + qemu_set_fd_handler2(s->fd, tcp_chr_read_poll, + tcp_chr_read, NULL, chr); + qemu_chr_reset(chr); +} + +#define IACSET(x,a,b,c) x[0] = a; x[1] = b; x[2] = c; +static void tcp_chr_telnet_init(int fd) +{ + char buf[3]; + /* Send the telnet negotion to put telnet in binary, no echo, single char mode */ + IACSET(buf, 0xff, 0xfb, 0x01); /* IAC WILL ECHO */ + socket_send(fd, (char *)buf, 3); + IACSET(buf, 0xff, 0xfb, 0x03); /* IAC WILL Suppress go ahead */ + socket_send(fd, (char *)buf, 3); + IACSET(buf, 0xff, 0xfb, 0x00); /* IAC WILL Binary */ + socket_send(fd, (char *)buf, 3); + IACSET(buf, 0xff, 0xfd, 0x00); /* IAC DO Binary */ + socket_send(fd, (char *)buf, 3); +} + +static void tcp_chr_accept(void *opaque) +{ + CharDriverState *chr = opaque; + TCPCharDriver *s = chr->opaque; + int fd; + + for(;;) { + fd = socket_accept(s->listen_fd, NULL); + if (fd < 0) { + return; + } else if (fd >= 0) { + if (s->do_telnetopt) + tcp_chr_telnet_init(fd); + break; + } + } + socket_set_nonblock(fd); + if (s->do_nodelay) + socket_set_nodelay(fd); + s->fd = fd; + qemu_set_fd_handler(s->listen_fd, NULL, NULL, NULL); + tcp_chr_connect(chr); +} + +static void tcp_chr_close(CharDriverState *chr) +{ + TCPCharDriver *s = chr->opaque; + if (s->fd >= 0) + closesocket(s->fd); + if (s->listen_fd >= 0) + closesocket(s->listen_fd); + qemu_free(s); +} + +static CharDriverState *qemu_chr_open_tcp(const char *host_str, + int is_telnet, + int is_unix) +{ + CharDriverState *chr = NULL; + TCPCharDriver *s = NULL; + int fd = -1, ret, err; + int is_listen = 0; + int is_waitconnect = 1; + int do_nodelay = 0; + const char *ptr; + SockAddress saddr; + +#ifndef _WIN32 + if (is_unix) { + if (parse_unix_path(&saddr, host_str) < 0) + goto fail; + } else +#endif + { + if (parse_host_port(&saddr, host_str) < 0) + goto fail; + } + + ptr = host_str; + while((ptr = strchr(ptr,','))) { + ptr++; + if (!strncmp(ptr,"server",6)) { + is_listen = 1; + } else if (!strncmp(ptr,"nowait",6)) { + is_waitconnect = 0; + } else if (!strncmp(ptr,"nodelay",6)) { + do_nodelay = 1; + } else { + printf("Unknown option: %s\n", ptr); + goto fail; + } + } + if (!is_listen) + is_waitconnect = 0; + + chr = qemu_mallocz(sizeof(CharDriverState)); + if (!chr) + goto fail; + s = qemu_mallocz(sizeof(TCPCharDriver)); + if (!s) + goto fail; + +#ifndef _WIN32 + if (is_unix) + fd = socket_create( SOCKET_UNIX, SOCKET_STREAM ); + else +#endif + fd = socket_create_inet( SOCKET_STREAM ); + + if (fd < 0) + goto fail; + + if (!is_waitconnect) + socket_set_nonblock(fd); + + s->connected = 0; + s->fd = -1; + s->listen_fd = -1; + s->is_unix = is_unix; + s->do_nodelay = do_nodelay && !is_unix; + + chr->opaque = s; + chr->chr_write = tcp_chr_write; + chr->chr_close = tcp_chr_close; + + if (is_listen) { + /* allow fast reuse */ +#ifndef _WIN32 + if (is_unix) { + unlink( sock_address_get_path(&saddr) ); + } else +#endif + socket_set_xreuseaddr(fd); + + if (socket_bind(fd, &saddr) < 0 || + socket_listen(fd, 0) < 0) + goto fail; + + s->listen_fd = fd; + qemu_set_fd_handler(s->listen_fd, tcp_chr_accept, NULL, chr); + if (is_telnet) + s->do_telnetopt = 1; + } else { + for(;;) { + ret = socket_connect(fd, &saddr); + if (ret < 0) { + err = errno; + if (err == EINTR || err == EWOULDBLOCK) { + } else if (err == EINPROGRESS) { + break; +#ifdef _WIN32 + } else if (err == EALREADY) { + break; +#endif + } else { + goto fail; + } + } else { + s->connected = 1; + break; + } + } + s->fd = fd; + socket_set_nodelay(fd); + if (s->connected) + tcp_chr_connect(chr); + else + qemu_set_fd_handler(s->fd, NULL, tcp_chr_connect, chr); + } + + if (is_listen && is_waitconnect) { + printf("QEMU waiting for connection on: %s\n", host_str); + tcp_chr_accept(chr); + socket_set_nonblock(s->listen_fd); + } + + return chr; + fail: + if (fd >= 0) + socket_close(fd); + qemu_free(s); + qemu_free(chr); + return NULL; +} + +CharDriverState *qemu_chr_open(const char *filename) +{ + const char *p; + + if (!strcmp(filename, "vc")) { + return text_console_init(&display_state, 0); + } else if (strstart(filename, "vc:", &p)) { + return text_console_init(&display_state, p); + } else if (!strcmp(filename, "null")) { + return qemu_chr_open_null(); + } else + if (strstart(filename, "tcp:", &p)) { + return qemu_chr_open_tcp(p, 0, 0); + } else + if (strstart(filename, "telnet:", &p)) { + return qemu_chr_open_tcp(p, 1, 0); + } else + if (strstart(filename, "udp:", &p)) { + return qemu_chr_open_udp(p); + } else + if (strstart(filename, "mon:", &p)) { + CharDriverState *drv = qemu_chr_open(p); + if (drv) { + drv = qemu_chr_open_mux(drv); + monitor_init(drv, !nographic); + return drv; + } + printf("Unable to open driver: %s\n", p); + return 0; + } else +#ifndef _WIN32 + if (strstart(filename, "unix:", &p)) { + return qemu_chr_open_tcp(p, 0, 1); + } else if (strstart(filename, "file:", &p)) { + return qemu_chr_open_file_out(p); + } else if (strstart(filename, "pipe:", &p)) { + return qemu_chr_open_pipe(p); + } else if (!strcmp(filename, "pty")) { + return qemu_chr_open_pty(); + } else if (!strcmp(filename, "stdio")) { + return qemu_chr_open_stdio(); + } else if (strstart(filename, "fdpair:", &p)) { + return qemu_chr_open_fdpair(p); + } else +#endif +#if defined(__linux__) + if (strstart(filename, "/dev/parport", NULL)) { + return qemu_chr_open_pp(filename); + } else +#endif +#ifndef _WIN32 + if (strstart(filename, "/dev/", NULL)) { + return qemu_chr_open_tty(filename); + } else +#endif + if (!strcmp(filename, "android-modem")) { + CharDriverState* cs; + qemu_chr_open_charpipe( &cs, &android_modem_cs ); + return cs; + } else if (!strcmp(filename, "android-gps")) { + CharDriverState* cs; + qemu_chr_open_charpipe( &cs, &android_gps_cs ); + return cs; + } else if (!strcmp(filename, "android-kmsg")) { + return android_kmsg_get_cs(); + } else if (!strcmp(filename, "android-qemud")) { + return android_qemud_get_cs(); + } else +#if defined(__linux__) + if (strstart(filename, "/dev/parport", NULL)) { + return qemu_chr_open_pp(filename); + } else +#endif +#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \ + || defined(__NetBSD__) || defined(__OpenBSD__) + if (strstart(filename, "/dev/", NULL)) { + return qemu_chr_open_tty(filename); + } else +#endif +#ifdef _WIN32 + if (strstart(filename, "COM", NULL)) { + return qemu_chr_open_win(filename); + } else + if (strstart(filename, "pipe:", &p)) { + return qemu_chr_open_win_pipe(p); + } else + if (strstart(filename, "con:", NULL)) { + return qemu_chr_open_win_con(filename); + } else + if (strstart(filename, "file:", &p)) { + return qemu_chr_open_win_file_out(p); + } else +#endif +#ifdef CONFIG_BRLAPI + if (!strcmp(filename, "braille")) { + return chr_baum_init(); + } else +#endif + { + return NULL; + } +} + +void qemu_chr_close(CharDriverState *chr) +{ + if (chr->chr_close) + chr->chr_close(chr); + qemu_free(chr); +} + +/***********************************************************/ +/* network device redirectors */ + +__attribute__ (( unused )) +static void hex_dump(FILE *f, const uint8_t *buf, int size) +{ + int len, i, j, c; + + for(i=0;i<size;i+=16) { + len = size - i; + if (len > 16) + len = 16; + fprintf(f, "%08x ", i); + for(j=0;j<16;j++) { + if (j < len) + fprintf(f, " %02x", buf[i+j]); + else + fprintf(f, " "); + } + fprintf(f, " "); + for(j=0;j<len;j++) { + c = buf[i+j]; + if (c < ' ' || c > '~') + c = '.'; + fprintf(f, "%c", c); + } + fprintf(f, "\n"); + } +} + +static int parse_macaddr(uint8_t *macaddr, const char *p) +{ + int i; + char *last_char; + long int offset; + + errno = 0; + offset = strtol(p, &last_char, 0); + if (0 == errno && '\0' == *last_char && + offset >= 0 && offset <= 0xFFFFFF) { + macaddr[3] = (offset & 0xFF0000) >> 16; + macaddr[4] = (offset & 0xFF00) >> 8; + macaddr[5] = offset & 0xFF; + return 0; + } else { + for(i = 0; i < 6; i++) { + macaddr[i] = strtol(p, (char **)&p, 16); + if (i == 5) { + if (*p != '\0') + return -1; + } else { + if (*p != ':' && *p != '-') + return -1; + p++; + } + } + return 0; + } + + return -1; +} + +static int get_str_sep(char *buf, int buf_size, const char **pp, int sep) +{ + const char *p, *p1; + int len; + p = *pp; + p1 = strchr(p, sep); + if (!p1) + return -1; + len = p1 - p; + p1++; + if (buf_size > 0) { + if (len > buf_size - 1) + len = buf_size - 1; + memcpy(buf, p, len); + buf[len] = '\0'; + } + *pp = p1; + return 0; +} + +int parse_host_src_port(SockAddress *haddr, + SockAddress *saddr, + const char *input_str) +{ + char *str = strdup(input_str); + char *host_str = str; + char *src_str; + const char *src_str2; + char *ptr; + + /* + * Chop off any extra arguments at the end of the string which + * would start with a comma, then fill in the src port information + * if it was provided else use the "any address" and "any port". + */ + if ((ptr = strchr(str,','))) + *ptr = '\0'; + + if ((src_str = strchr(input_str,'@'))) { + *src_str = '\0'; + src_str++; + } + + if (parse_host_port(haddr, host_str) < 0) + goto fail; + + src_str2 = src_str; + if (!src_str || *src_str == '\0') + src_str2 = ":0"; + + if (parse_host_port(saddr, src_str2) < 0) + goto fail; + + free(str); + return(0); + +fail: + free(str); + return -1; +} + +int parse_host_port(SockAddress *saddr, const char *str) +{ + char buf[512]; + const char *p, *r; + uint16_t port; + + p = str; + if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) + return -1; + + port = strtol(p, (char **)&r, 0); + if (r == p) + return -1; + + if (buf[0] == '\0') { + sock_address_init_inet( saddr, SOCK_ADDRESS_INET_ANY, port ); + } else { + if (sock_address_init_resolve( saddr, buf, port, 0 ) < 0) + return -1; + } + return 0; +} + +#ifndef _WIN32 +static int +parse_unix_path(SockAddress* uaddr, const char *str) +{ + char temp[109]; + const char *p; + int len; + + len = MIN(108, strlen(str)); + p = strchr(str, ','); + if (p) + len = MIN(len, p - str); + + memcpy(temp, str, len); + temp[len] = 0; + + sock_address_init_unix( uaddr, temp ); + return 0; +} +#endif + +/* find or alloc a new VLAN */ +VLANState *qemu_find_vlan(int id) +{ + VLANState **pvlan, *vlan; + for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { + if (vlan->id == id) + return vlan; + } + vlan = qemu_mallocz(sizeof(VLANState)); + if (!vlan) + return NULL; + vlan->id = id; + vlan->next = NULL; + pvlan = &first_vlan; + while (*pvlan != NULL) + pvlan = &(*pvlan)->next; + *pvlan = vlan; + return vlan; +} + +VLANClientState *qemu_new_vlan_client(VLANState *vlan, + IOReadHandler *fd_read, + IOCanRWHandler *fd_can_read, + void *opaque) +{ + VLANClientState *vc, **pvc; + vc = qemu_mallocz(sizeof(VLANClientState)); + if (!vc) + return NULL; + vc->fd_read = fd_read; + vc->fd_can_read = fd_can_read; + vc->opaque = opaque; + vc->vlan = vlan; + + vc->next = NULL; + pvc = &vlan->first_client; + while (*pvc != NULL) + pvc = &(*pvc)->next; + *pvc = vc; + return vc; +} + +void qemu_del_vlan_client(VLANClientState *vc) +{ + VLANClientState **pvc = &vc->vlan->first_client; + + while (*pvc != NULL) + if (*pvc == vc) { + *pvc = vc->next; + free(vc); + break; + } else + pvc = &(*pvc)->next; +} + +int qemu_can_send_packet(VLANClientState *vc1) +{ + VLANState *vlan = vc1->vlan; + VLANClientState *vc; + + for(vc = vlan->first_client; vc != NULL; vc = vc->next) { + if (vc != vc1) { + if (vc->fd_can_read && vc->fd_can_read(vc->opaque)) + return 1; + } + } + return 0; +} + +void qemu_send_packet(VLANClientState *vc1, const uint8_t *buf, int size) +{ + VLANState *vlan = vc1->vlan; + VLANClientState *vc; + +#if 0 + printf("vlan %d send:\n", vlan->id); + hex_dump(stdout, buf, size); +#endif + for(vc = vlan->first_client; vc != NULL; vc = vc->next) { + if (vc != vc1) { + vc->fd_read(vc->opaque, buf, size); + } + } +} + +#if defined(CONFIG_SLIRP) + +/* slirp network adapter */ + +int slirp_inited; +static VLANClientState *slirp_vc; + +double qemu_net_upload_speed = 0.; +double qemu_net_download_speed = 0.; +int qemu_net_min_latency = 0; +int qemu_net_max_latency = 0; +int qemu_net_disable = 0; + +int +ip_packet_is_internal( const uint8_t* data, size_t size ) +{ + const uint8_t* end = data + size; + + /* must have room for Mac + IP header */ + if (data + 40 > end) + return 0; + + if (data[12] != 0x08 || data[13] != 0x00 ) + return 0; + + /* must have valid IP header */ + data += 14; + if ((data[0] >> 4) != 4 || (data[0] & 15) < 5) + return 0; + + /* internal if both source and dest addresses are in 10.x.x.x */ + return ( data[12] == 10 && data[16] == 10); +} + +#ifdef CONFIG_SHAPER + +/* see http://en.wikipedia.org/wiki/List_of_device_bandwidths or a complete list */ +const NetworkSpeed android_netspeeds[] = { + { "gsm", "GSM/CSD", 14400, 14400 }, + { "hscsd", "HSCSD", 14400, 43200 }, + { "gprs", "GPRS", 40000, 80000 }, + { "edge", "EDGE/EGPRS", 118400, 236800 }, + { "umts", "UMTS/3G", 128000, 1920000 }, + { "hsdpa", "HSDPA", 348000, 14400000 }, + { "full", "no limit", 0, 0 }, + { NULL, NULL, 0, 0 } +}; + +const NetworkLatency android_netdelays[] = { + /* FIXME: these numbers are totally imaginary */ + { "gprs", "GPRS", 150, 550 }, + { "edge", "EDGE/EGPRS", 80, 400 }, + { "umts", "UMTS/3G", 35, 200 }, + { "none", "no latency", 0, 0 }, + { NULL, NULL, 0, 0 } +}; + + +NetShaper slirp_shaper_in; +NetShaper slirp_shaper_out; +NetDelay slirp_delay_in; + +static void +slirp_delay_in_cb( void* data, + size_t size, + void* opaque ) +{ + slirp_input( (const uint8_t*)data, (int)size ); + opaque = opaque; +} + +static void +slirp_shaper_in_cb( void* data, + size_t size, + void* opaque ) +{ + netdelay_send_aux( slirp_delay_in, data, size, opaque ); +} + +static void +slirp_shaper_out_cb( void* data, + size_t size, + void* opaque ) +{ + qemu_send_packet( slirp_vc, (const uint8_t*)data, (int)size ); +} + +void +slirp_init_shapers( void ) +{ + slirp_delay_in = netdelay_create( slirp_delay_in_cb ); + slirp_shaper_in = netshaper_create( 1, slirp_shaper_in_cb ); + slirp_shaper_out = netshaper_create( 1, slirp_shaper_out_cb ); + + netdelay_set_latency( slirp_delay_in, qemu_net_min_latency, qemu_net_max_latency ); + netshaper_set_rate( slirp_shaper_out, qemu_net_download_speed ); + netshaper_set_rate( slirp_shaper_in, qemu_net_upload_speed ); +} + +#endif /* CONFIG_SHAPER */ + +int slirp_can_output(void) +{ +#ifdef CONFIG_SHAPER + return !slirp_vc || + ( netshaper_can_send( slirp_shaper_out ) && + qemu_can_send_packet(slirp_vc) ); +#else + return !slirp_vc || qemu_can_send_packet(slirp_vc); +#endif +} + + + +void slirp_output(const uint8_t *pkt, int pkt_len) +{ +#if 0 + printf("slirp output:\n"); + hex_dump(stdout, pkt, pkt_len); +#endif + if (!slirp_vc) + return; + + if (qemu_tcpdump_active) + qemu_tcpdump_packet(pkt, pkt_len); + + /* always send internal packets */ + if ( ip_packet_is_internal( pkt, pkt_len ) ) { + qemu_send_packet( slirp_vc, pkt, pkt_len ); + return; + } + + if ( qemu_net_disable ) + return; + +#ifdef CONFIG_SHAPER + netshaper_send( slirp_shaper_out, (void*)pkt, pkt_len ); +#else + qemu_send_packet(slirp_vc, pkt, pkt_len); +#endif +} + +static void slirp_receive(void *opaque, const uint8_t *buf, int size) +{ +#if 0 + printf("slirp input:\n"); + hex_dump(stdout, buf, size); +#endif + if (qemu_tcpdump_active) + qemu_tcpdump_packet(buf, size); + + if ( ip_packet_is_internal( buf, size ) ) { + slirp_input(buf, size); + return; + } + + if (qemu_net_disable) + return; + +#ifdef CONFIG_SHAPER + netshaper_send( slirp_shaper_in, (char*)buf, size ); +#else + slirp_input(buf, size); +#endif +} + +static int net_slirp_init(VLANState *vlan) +{ + if (!slirp_inited) { + slirp_inited = 1; + slirp_init(); + } + slirp_vc = qemu_new_vlan_client(vlan, + slirp_receive, NULL, NULL); + snprintf(slirp_vc->info_str, sizeof(slirp_vc->info_str), "user redirector"); + return 0; +} + +static void net_slirp_redir(const char *redir_str) +{ + int is_udp; + char buf[256], *r; + const char *p; + uint32_t guest_ip; + int host_port, guest_port; + + if (!slirp_inited) { + slirp_inited = 1; + slirp_init(); + } + + p = redir_str; + if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) + goto fail; + if (!strcmp(buf, "tcp")) { + is_udp = 0; + } else if (!strcmp(buf, "udp")) { + is_udp = 1; + } else { + goto fail; + } + + if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) + goto fail; + host_port = strtol(buf, &r, 0); + if (r == buf) + goto fail; + + if (get_str_sep(buf, sizeof(buf), &p, ':') < 0) + goto fail; + if (buf[0] == '\0') { + pstrcpy(buf, sizeof(buf), "10.0.2.15"); + } + if (inet_strtoip(buf, &guest_ip) < 0) + goto fail; + + guest_port = strtol(p, &r, 0); + if (r == p) + goto fail; + + if (slirp_redir(is_udp, host_port, guest_ip, guest_port) < 0) { + fprintf(stderr, "qemu: could not set up redirection\n"); + exit(1); + } + return; + fail: + fprintf(stderr, "qemu: syntax: -redir [tcp|udp]:host-port:[guest-host]:guest-port\n"); + exit(1); +} + +#if 0 /* ANDROID disabled */ + +char smb_dir[1024]; + +static void erase_dir(char *dir_name) +{ + DIR *d; + struct dirent *de; + char filename[1024]; + + /* erase all the files in the directory */ + if ((d = opendir(dir_name)) != 0) { + for(;;) { + de = readdir(d); + if (!de) + break; + if (strcmp(de->d_name, ".") != 0 && + strcmp(de->d_name, "..") != 0) { + snprintf(filename, sizeof(filename), "%s/%s", + smb_dir, de->d_name); + if (unlink(filename) != 0) /* is it a directory? */ + erase_dir(filename); + } + } + closedir(d); + rmdir(dir_name); + } +} + +/* automatic user mode samba server configuration */ +static void smb_exit(void) +{ + erase_dir(smb_dir); +} + +/* automatic user mode samba server configuration */ +static void net_slirp_smb(const char *exported_dir) +{ + char smb_conf[1024]; + char smb_cmdline[1024]; + FILE *f; + + if (!slirp_inited) { + slirp_inited = 1; + slirp_init(); + } + + /* XXX: better tmp dir construction */ + snprintf(smb_dir, sizeof(smb_dir), "/tmp/qemu-smb.%d", getpid()); + if (mkdir(smb_dir, 0700) < 0) { + fprintf(stderr, "qemu: could not create samba server dir '%s'\n", smb_dir); + exit(1); + } + snprintf(smb_conf, sizeof(smb_conf), "%s/%s", smb_dir, "smb.conf"); + + f = fopen(smb_conf, "w"); + if (!f) { + fprintf(stderr, "qemu: could not create samba server configuration file '%s'\n", smb_conf); + exit(1); + } + fprintf(f, + "[global]\n" + "private dir=%s\n" + "smb ports=0\n" + "socket address=127.0.0.1\n" + "pid directory=%s\n" + "lock directory=%s\n" + "log file=%s/log.smbd\n" + "smb passwd file=%s/smbpasswd\n" + "security = share\n" + "[qemu]\n" + "path=%s\n" + "read only=no\n" + "guest ok=yes\n", + smb_dir, + smb_dir, + smb_dir, + smb_dir, + smb_dir, + exported_dir + ); + fclose(f); + atexit(smb_exit); + + snprintf(smb_cmdline, sizeof(smb_cmdline), "%s -s %s", + SMBD_COMMAND, smb_conf); + + slirp_add_exec(0, smb_cmdline, 4, 139); +} + +#endif /* !defined(_WIN32) */ + +#endif /* CONFIG_SLIRP */ + +#if !defined(_WIN32) + +typedef struct TAPState { + VLANClientState *vc; + int fd; + char down_script[1024]; +} TAPState; + +static void tap_receive(void *opaque, const uint8_t *buf, int size) +{ + TAPState *s = opaque; + int ret; + for(;;) { + ret = write(s->fd, buf, size); + if (ret < 0 && (errno == EINTR || errno == EAGAIN)) { + } else { + break; + } + } +} + +static void tap_send(void *opaque) +{ + TAPState *s = opaque; + uint8_t buf[4096]; + int size; + +#ifdef __sun__ + struct strbuf sbuf; + int f = 0; + sbuf.maxlen = sizeof(buf); + sbuf.buf = buf; + size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1; +#else + size = read(s->fd, buf, sizeof(buf)); +#endif + if (size > 0) { + qemu_send_packet(s->vc, buf, size); + } +} + +/* fd support */ + +static TAPState *net_tap_fd_init(VLANState *vlan, int fd) +{ + TAPState *s; + + s = qemu_mallocz(sizeof(TAPState)); + if (!s) + return NULL; + s->fd = fd; + s->vc = qemu_new_vlan_client(vlan, tap_receive, NULL, s); + qemu_set_fd_handler(s->fd, tap_send, NULL, s); + snprintf(s->vc->info_str, sizeof(s->vc->info_str), "tap: fd=%d", fd); + return s; +} + +#if defined (_BSD) || defined (__FreeBSD_kernel__) +static int tap_open(char *ifname, int ifname_size) +{ + int fd; + char *dev; + struct stat s; + + TFR(fd = open("/dev/tap", O_RDWR)); + if (fd < 0) { + fprintf(stderr, "warning: could not open /dev/tap: no virtual network emulation\n"); + return -1; + } + + fstat(fd, &s); + dev = devname(s.st_rdev, S_IFCHR); + pstrcpy(ifname, ifname_size, dev); + + fcntl(fd, F_SETFL, O_NONBLOCK); + return fd; +} +#elif defined(__sun__) +#define TUNNEWPPA (('T'<<16) | 0x0001) +/* + * Allocate TAP device, returns opened fd. + * Stores dev name in the first arg(must be large enough). + */ +int tap_alloc(char *dev, size_t dev_size) +{ + int tap_fd, if_fd, ppa = -1; + static int ip_fd = 0; + char *ptr; + + static int arp_fd = 0; + int ip_muxid, arp_muxid; + struct strioctl strioc_if, strioc_ppa; + int link_type = I_PLINK;; + struct lifreq ifr; + char actual_name[32] = ""; + + memset(&ifr, 0x0, sizeof(ifr)); + + if( *dev ){ + ptr = dev; + while( *ptr && !isdigit((int)*ptr) ) ptr++; + ppa = atoi(ptr); + } + + /* Check if IP device was opened */ + if( ip_fd ) + close(ip_fd); + + TFR(ip_fd = open("/dev/udp", O_RDWR, 0)); + if (ip_fd < 0) { + syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)"); + return -1; + } + + TFR(tap_fd = open("/dev/tap", O_RDWR, 0)); + if (tap_fd < 0) { + syslog(LOG_ERR, "Can't open /dev/tap"); + return -1; + } + + /* Assign a new PPA and get its unit number. */ + strioc_ppa.ic_cmd = TUNNEWPPA; + strioc_ppa.ic_timout = 0; + strioc_ppa.ic_len = sizeof(ppa); + strioc_ppa.ic_dp = (char *)&ppa; + if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0) + syslog (LOG_ERR, "Can't assign new interface"); + + TFR(if_fd = open("/dev/tap", O_RDWR, 0)); + if (if_fd < 0) { + syslog(LOG_ERR, "Can't open /dev/tap (2)"); + return -1; + } + if(ioctl(if_fd, I_PUSH, "ip") < 0){ + syslog(LOG_ERR, "Can't push IP module"); + return -1; + } + + if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) + syslog(LOG_ERR, "Can't get flags\n"); + + snprintf (actual_name, 32, "tap%d", ppa); + strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name)); + + ifr.lifr_ppa = ppa; + /* Assign ppa according to the unit number returned by tun device */ + + if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0) + syslog (LOG_ERR, "Can't set PPA %d", ppa); + if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) + syslog (LOG_ERR, "Can't get flags\n"); + /* Push arp module to if_fd */ + if (ioctl (if_fd, I_PUSH, "arp") < 0) + syslog (LOG_ERR, "Can't push ARP module (2)"); + + /* Push arp module to ip_fd */ + if (ioctl (ip_fd, I_POP, NULL) < 0) + syslog (LOG_ERR, "I_POP failed\n"); + if (ioctl (ip_fd, I_PUSH, "arp") < 0) + syslog (LOG_ERR, "Can't push ARP module (3)\n"); + /* Open arp_fd */ + TFR(arp_fd = open ("/dev/tap", O_RDWR, 0)); + if (arp_fd < 0) + syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); + + /* Set ifname to arp */ + strioc_if.ic_cmd = SIOCSLIFNAME; + strioc_if.ic_timout = 0; + strioc_if.ic_len = sizeof(ifr); + strioc_if.ic_dp = (char *)𝔦 + if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ + syslog (LOG_ERR, "Can't set ifname to arp\n"); + } + + if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ + syslog(LOG_ERR, "Can't link TAP device to IP"); + return -1; + } + + if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0) + syslog (LOG_ERR, "Can't link TAP device to ARP"); + + close (if_fd); + + memset(&ifr, 0x0, sizeof(ifr)); + strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name)); + ifr.lifr_ip_muxid = ip_muxid; + ifr.lifr_arp_muxid = arp_muxid; + + if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0) + { + ioctl (ip_fd, I_PUNLINK , arp_muxid); + ioctl (ip_fd, I_PUNLINK, ip_muxid); + syslog (LOG_ERR, "Can't set multiplexor id"); + } + + snprintf(dev, dev_size, "tap%d", ppa); + return tap_fd; +} + +static int tap_open(char *ifname, int ifname_size) +{ + char dev[10]=""; + int fd; + if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){ + fprintf(stderr, "Cannot allocate TAP device\n"); + return -1; + } + pstrcpy(ifname, ifname_size, dev); + fcntl(fd, F_SETFL, O_NONBLOCK); + return fd; +} +#else +static int tap_open(char *ifname, int ifname_size) +{ + struct ifreq ifr; + int fd, ret; + + TFR(fd = open("/dev/net/tun", O_RDWR)); + if (fd < 0) { + fprintf(stderr, "warning: could not open /dev/net/tun: no virtual network emulation\n"); + return -1; + } + memset(&ifr, 0, sizeof(ifr)); + ifr.ifr_flags = IFF_TAP | IFF_NO_PI; + if (ifname[0] != '\0') + pstrcpy(ifr.ifr_name, IFNAMSIZ, ifname); + else + pstrcpy(ifr.ifr_name, IFNAMSIZ, "tap%d"); + ret = ioctl(fd, TUNSETIFF, (void *) &ifr); + if (ret != 0) { + fprintf(stderr, "warning: could not configure /dev/net/tun: no virtual network emulation\n"); + close(fd); + return -1; + } + pstrcpy(ifname, ifname_size, ifr.ifr_name); + fcntl(fd, F_SETFL, O_NONBLOCK); + return fd; +} +#endif + +static int launch_script(const char *setup_script, const char *ifname, int fd) +{ + int pid, status; + char *args[3]; + char **parg; + + /* try to launch network script */ + pid = fork(); + if (pid >= 0) { + if (pid == 0) { + int open_max = sysconf (_SC_OPEN_MAX), i; + for (i = 0; i < open_max; i++) + if (i != STDIN_FILENO && + i != STDOUT_FILENO && + i != STDERR_FILENO && + i != fd) + close(i); + + parg = args; + *parg++ = (char *)setup_script; + *parg++ = (char *)ifname; + *parg++ = NULL; + execv(setup_script, args); + _exit(1); + } + while (waitpid(pid, &status, 0) != pid); + if (!WIFEXITED(status) || + WEXITSTATUS(status) != 0) { + fprintf(stderr, "%s: could not launch network script\n", + setup_script); + return -1; + } + } + return 0; +} + +static int net_tap_init(VLANState *vlan, const char *ifname1, + const char *setup_script, const char *down_script) +{ + TAPState *s; + int fd; + char ifname[128]; + + if (ifname1 != NULL) + pstrcpy(ifname, sizeof(ifname), ifname1); + else + ifname[0] = '\0'; + TFR(fd = tap_open(ifname, sizeof(ifname))); + if (fd < 0) + return -1; + + if (!setup_script || !strcmp(setup_script, "no")) + setup_script = ""; + if (setup_script[0] != '\0') { + if (launch_script(setup_script, ifname, fd)) + return -1; + } + s = net_tap_fd_init(vlan, fd); + if (!s) + return -1; + snprintf(s->vc->info_str, sizeof(s->vc->info_str), + "tap: ifname=%s setup_script=%s", ifname, setup_script); + if (down_script && strcmp(down_script, "no")) + snprintf(s->down_script, sizeof(s->down_script), "%s", down_script); + return 0; +} + +#endif /* !_WIN32 */ + +#if defined(CONFIG_VDE) +typedef struct VDEState { + VLANClientState *vc; + VDECONN *vde; +} VDEState; + +static void vde_to_qemu(void *opaque) +{ + VDEState *s = opaque; + uint8_t buf[4096]; + int size; + + size = vde_recv(s->vde, buf, sizeof(buf), 0); + if (size > 0) { + qemu_send_packet(s->vc, buf, size); + } +} + +static void vde_from_qemu(void *opaque, const uint8_t *buf, int size) +{ + VDEState *s = opaque; + int ret; + for(;;) { + ret = vde_send(s->vde, buf, size, 0); + if (ret < 0 && errno == EINTR) { + } else { + break; + } + } +} + +static int net_vde_init(VLANState *vlan, const char *sock, int port, + const char *group, int mode) +{ + VDEState *s; + char *init_group = strlen(group) ? (char *)group : NULL; + char *init_sock = strlen(sock) ? (char *)sock : NULL; + + struct vde_open_args args = { + .port = port, + .group = init_group, + .mode = mode, + }; + + s = qemu_mallocz(sizeof(VDEState)); + if (!s) + return -1; + s->vde = vde_open(init_sock, "QEMU", &args); + if (!s->vde){ + free(s); + return -1; + } + s->vc = qemu_new_vlan_client(vlan, vde_from_qemu, NULL, s); + qemu_set_fd_handler(vde_datafd(s->vde), vde_to_qemu, NULL, s); + snprintf(s->vc->info_str, sizeof(s->vc->info_str), "vde: sock=%s fd=%d", + sock, vde_datafd(s->vde)); + return 0; +} +#endif + +/* network connection */ +typedef struct NetSocketState { + VLANClientState *vc; + int fd; + int state; /* 0 = getting length, 1 = getting data */ + int index; + int packet_len; + uint8_t buf[4096]; + SockAddress dgram_dst; /* contains inet host and port destination iff connectionless (SOCK_DGRAM) */ +} NetSocketState; + +typedef struct NetSocketListenState { + VLANState *vlan; + int fd; +} NetSocketListenState; + +/* XXX: we consider we can send the whole packet without blocking */ +static void net_socket_receive(void *opaque, const uint8_t *buf, int size) +{ + NetSocketState *s = opaque; + uint32_t len; + len = htonl(size); + + send_all(s->fd, (const uint8_t *)&len, sizeof(len)); + send_all(s->fd, buf, size); +} + +static void net_socket_receive_dgram(void *opaque, const uint8_t *buf, int size) +{ + NetSocketState *s = opaque; + socket_sendto(s->fd, buf, size, &s->dgram_dst); +} + +static void net_socket_send(void *opaque) +{ + NetSocketState *s = opaque; + int l, size, err; + uint8_t buf1[4096]; + const uint8_t *buf; + + size = socket_recv(s->fd, buf1, sizeof(buf1)); + if (size < 0) { + err = errno; + if (err != EWOULDBLOCK) + goto eoc; + } else if (size == 0) { + /* end of connection */ + eoc: + qemu_set_fd_handler(s->fd, NULL, NULL, NULL); + socket_close(s->fd); + return; + } + buf = buf1; + while (size > 0) { + /* reassemble a packet from the network */ + switch(s->state) { + case 0: + l = 4 - s->index; + if (l > size) + l = size; + memcpy(s->buf + s->index, buf, l); + buf += l; + size -= l; + s->index += l; + if (s->index == 4) { + /* got length */ + s->packet_len = ntohl(*(uint32_t *)s->buf); + s->index = 0; + s->state = 1; + } + break; + case 1: + l = s->packet_len - s->index; + if (l > size) + l = size; + memcpy(s->buf + s->index, buf, l); + s->index += l; + buf += l; + size -= l; + if (s->index >= s->packet_len) { + qemu_send_packet(s->vc, s->buf, s->packet_len); + s->index = 0; + s->state = 0; + } + break; + } + } +} + +static void net_socket_send_dgram(void *opaque) +{ + NetSocketState *s = opaque; + int size; + + size = socket_recv(s->fd, s->buf, sizeof(s->buf)); + if (size < 0) + return; + if (size == 0) { + /* end of connection */ + qemu_set_fd_handler(s->fd, NULL, NULL, NULL); + return; + } + qemu_send_packet(s->vc, s->buf, size); +} + +static int net_socket_mcast_create(SockAddress* mcastaddr) +{ + uint32_t mcast_ip = (uint32_t) sock_address_get_ip(mcastaddr); + + int fd, ret; + + if (!IN_MULTICAST(mcast_ip)) { + fprintf(stderr, "qemu: error: specified mcastaddr \"%s\" does not contain a multicast address\n", + sock_address_to_string(mcastaddr)); + return -1; + + } + fd = socket_create_inet( SOCKET_DGRAM ); + if (fd < 0) { + perror("socket(PF_INET, SOCK_DGRAM)"); + return -1; + } + +#if 0 + val = 1; + ret=setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, + (const char *)&val, sizeof(val)); +#else + ret=socket_set_xreuseaddr(fd); +#endif + if (ret < 0) { + perror("setsockopt(SOL_SOCKET, SO_REUSEADDR)"); + goto fail; + } + + if (socket_bind(fd, mcastaddr) < 0) { + perror("bind"); + goto fail; + } + + /* Add host to multicast group */ + if (socket_mcast_inet_add_membership(fd, mcast_ip) < 0) { + perror("setsockopt(IP_ADD_MEMBERSHIP)"); + goto fail; + } + + /* Force mcast msgs to loopback (eg. several QEMUs in same host */ + if (socket_mcast_inet_set_loop(fd, 1) < 0) { + perror("setsockopt(SOL_IP, IP_MULTICAST_LOOP)"); + goto fail; + } + + socket_set_nonblock(fd); + return fd; +fail: + if (fd >= 0) + closesocket(fd); + return -1; +} + +static NetSocketState *net_socket_fd_init_dgram(VLANState *vlan, int fd, + int is_connected) +{ + SockAddress saddr; + int newfd; + NetSocketState *s; + + /* fd passed: multicast: "learn" dgram_dst address from bound address and save it + * Because this may be "shared" socket from a "master" process, datagrams would be recv() + * by ONLY ONE process: we must "clone" this dgram socket --jjo + */ + + if (is_connected) { + if (socket_get_address(fd, &saddr) == 0) { + /* must be bound */ + if (sock_address_get_ip(&saddr) == 0) { + fprintf(stderr, "qemu: error: init_dgram: fd=%d unbound, cannot setup multicast dst addr\n", + fd); + return NULL; + } + /* clone dgram socket */ + newfd = net_socket_mcast_create(&saddr); + if (newfd < 0) { + /* error already reported by net_socket_mcast_create() */ + close(fd); + return NULL; + } + /* clone newfd to fd, close newfd */ + dup2(newfd, fd); + close(newfd); + + } else { + fprintf(stderr, "qemu: error: init_dgram: fd=%d failed getsockname(): %s\n", + fd, errno_str); + return NULL; + } + } + + s = qemu_mallocz(sizeof(NetSocketState)); + if (!s) + return NULL; + s->fd = fd; + + s->vc = qemu_new_vlan_client(vlan, net_socket_receive_dgram, NULL, s); + qemu_set_fd_handler(s->fd, net_socket_send_dgram, NULL, s); + + /* mcast: save bound address as dst */ + if (is_connected) s->dgram_dst=saddr; + + snprintf(s->vc->info_str, sizeof(s->vc->info_str), + "socket: fd=%d (%s mcast=%s)", + fd, is_connected? "cloned" : "", + sock_address_to_string(&saddr)); + return s; +} + +static void net_socket_connect(void *opaque) +{ + NetSocketState *s = opaque; + qemu_set_fd_handler(s->fd, net_socket_send, NULL, s); +} + +static NetSocketState *net_socket_fd_init_stream(VLANState *vlan, int fd, + int is_connected) +{ + NetSocketState *s; + s = qemu_mallocz(sizeof(NetSocketState)); + if (!s) + return NULL; + s->fd = fd; + s->vc = qemu_new_vlan_client(vlan, + net_socket_receive, NULL, s); + snprintf(s->vc->info_str, sizeof(s->vc->info_str), + "socket: fd=%d", fd); + if (is_connected) { + net_socket_connect(s); + } else { + qemu_set_fd_handler(s->fd, NULL, net_socket_connect, s); + } + return s; +} + +static NetSocketState *net_socket_fd_init(VLANState *vlan, int fd, + int is_connected) +{ + SocketType so_type; + + so_type = socket_get_type(fd); + switch(so_type) { + case SOCKET_DGRAM: + return net_socket_fd_init_dgram(vlan, fd, is_connected); + case SOCKET_STREAM: + return net_socket_fd_init_stream(vlan, fd, is_connected); + default: + /* who knows ... this could be a eg. a pty, do warn and continue as stream */ + fprintf(stderr, "qemu: warning: socket type=%d for fd=%d is not SOCK_DGRAM or SOCK_STREAM\n", so_type, fd); + return net_socket_fd_init_stream(vlan, fd, is_connected); + } + return NULL; +} + +static void net_socket_accept(void *opaque) +{ + NetSocketListenState *s = opaque; + NetSocketState *s1; + SockAddress saddr; + int fd; + + fd = socket_accept(s->fd, &saddr); + if (fd < 0) + return; + + s1 = net_socket_fd_init(s->vlan, fd, 1); + if (!s1) { + closesocket(fd); + } else { + snprintf(s1->vc->info_str, sizeof(s1->vc->info_str), + "socket: connection from %s", + sock_address_to_string(&saddr)); + } + sock_address_done(&saddr); +} + +static int net_socket_listen_init(VLANState *vlan, const char *host_str) +{ + NetSocketListenState *s; + int fd, ret; + SockAddress saddr; + + if (parse_host_port(&saddr, host_str) < 0) + return -1; + + s = qemu_mallocz(sizeof(NetSocketListenState)); + if (!s) + return -1; + + fd = socket_create_inet( SOCKET_STREAM ); + if (fd < 0) { + perror("socket"); + return -1; + } + socket_set_nonblock(fd); +#if 0 + /* allow fast reuse */ + val = 1; + setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val)); +#else + socket_set_xreuseaddr(fd); +#endif + + ret = socket_bind(fd, &saddr); + if (ret < 0) { + perror("bind"); + socket_close(fd); + return -1; + } + ret = socket_listen(fd, 0); + if (ret < 0) { + perror("listen"); + socket_close(fd); + return -1; + } + s->vlan = vlan; + s->fd = fd; + qemu_set_fd_handler(fd, net_socket_accept, NULL, s); + return 0; +} + +static int net_socket_connect_init(VLANState *vlan, const char *host_str) +{ + NetSocketState *s; + int fd, connected, ret, err; + SockAddress saddr; + + if (parse_host_port(&saddr, host_str) < 0) + return -1; + + fd = socket_create_inet( SOCKET_STREAM ); + if (fd < 0) { + perror("socket"); + return -1; + } + socket_set_nonblock(fd); + + connected = 0; + for(;;) { + ret = socket_connect(fd, &saddr); + if (ret < 0) { + err = errno; + if (err == EINTR || err == EWOULDBLOCK) { + } else if (err == EINPROGRESS) { + break; +#ifdef _WIN32 + } else if (err == EALREADY) { + break; +#endif + } else { + perror("connect"); + socket_close(fd); + return -1; + } + } else { + connected = 1; + break; + } + } + s = net_socket_fd_init(vlan, fd, connected); + if (!s) + return -1; + + snprintf(s->vc->info_str, sizeof(s->vc->info_str), + "socket: connect to %s", sock_address_to_string(&saddr)); + return 0; +} + +static int net_socket_mcast_init(VLANState *vlan, const char *host_str) +{ + NetSocketState *s; + int fd; + SockAddress saddr; + + if (parse_host_port(&saddr, host_str) < 0) + return -1; + + + fd = net_socket_mcast_create(&saddr); + if (fd < 0) + return -1; + + s = net_socket_fd_init(vlan, fd, 0); + if (!s) + return -1; + + s->dgram_dst = saddr; + + snprintf(s->vc->info_str, sizeof(s->vc->info_str), + "socket: mcast=%s", sock_address_to_string(&saddr)); + return 0; + +} + +static const char *get_opt_name(char *buf, int buf_size, const char *p) +{ + char *q; + + q = buf; + while (*p != '\0' && *p != '=') { + if (q && (q - buf) < buf_size - 1) + *q++ = *p; + p++; + } + if (q) + *q = '\0'; + + return p; +} + +static const char *get_opt_value(char *buf, int buf_size, const char *p) +{ + char *q; + + q = buf; + while (*p != '\0') { + if (*p == ',') { + if (*(p + 1) != ',') + break; + p++; + } + if (q && (q - buf) < buf_size - 1) + *q++ = *p; + p++; + } + if (q) + *q = '\0'; + + return p; +} + +static int get_param_value(char *buf, int buf_size, + const char *tag, const char *str) +{ + const char *p; + char option[128]; + + p = str; + for(;;) { + p = get_opt_name(option, sizeof(option), p); + if (*p != '=') + break; + p++; + if (!strcmp(tag, option)) { + (void)get_opt_value(buf, buf_size, p); + return strlen(buf); + } else { + p = get_opt_value(NULL, 0, p); + } + if (*p != ',') + break; + p++; + } + return 0; +} + +static int check_params(char *buf, int buf_size, + const char * const *params, const char *str) +{ + const char *p; + int i; + + p = str; + for(;;) { + p = get_opt_name(buf, buf_size, p); + if (*p != '=') + return -1; + p++; + for(i = 0; params[i] != NULL; i++) + if (!strcmp(params[i], buf)) + break; + if (params[i] == NULL) + return -1; + p = get_opt_value(NULL, 0, p); + if (*p != ',') + break; + p++; + } + return 0; +} + +static int net_client_init(const char *device, const char *p) +{ + char buf[1024]; + int vlan_id, ret; + VLANState *vlan; + + vlan_id = 0; + if (get_param_value(buf, sizeof(buf), "vlan", p)) { + vlan_id = strtol(buf, NULL, 0); + } + vlan = qemu_find_vlan(vlan_id); + if (!vlan) { + fprintf(stderr, "Could not create vlan %d\n", vlan_id); + return -1; + } + if (!strcmp(device, "nic")) { + NICInfo *nd; + uint8_t *macaddr; + + if (nb_nics >= MAX_NICS) { + fprintf(stderr, "Too Many NICs\n"); + return -1; + } + nd = &nd_table[nb_nics]; + macaddr = nd->macaddr; + macaddr[0] = 0x52; + macaddr[1] = 0x54; + macaddr[2] = 0x00; + macaddr[3] = 0x12; + macaddr[4] = 0x34; + macaddr[5] = 0x56 + nb_nics; + + if (get_param_value(buf, sizeof(buf), "macaddr", p)) { + if (parse_macaddr(macaddr, buf) < 0) { + fprintf(stderr, "invalid syntax for ethernet address\n"); + return -1; + } + } + if (get_param_value(buf, sizeof(buf), "model", p)) { + nd->model = strdup(buf); + } + nd->vlan = vlan; + nb_nics++; + vlan->nb_guest_devs++; + ret = 0; + } else + if (!strcmp(device, "none")) { + /* does nothing. It is needed to signal that no network cards + are wanted */ +#if 1 /* ANDROID */ + fprintf(stderr, "sorry, you need to enable the network to use the Android emulator\n"); + return -1; +#else + ret = 0; +#endif + } else +#ifdef CONFIG_SLIRP + if (!strcmp(device, "user")) { + if (get_param_value(buf, sizeof(buf), "hostname", p)) { + pstrcpy(slirp_hostname, sizeof(slirp_hostname), buf); + } + vlan->nb_host_devs++; + ret = net_slirp_init(vlan); + } else +#endif +#ifdef _WIN32 +#if 0 + if (!strcmp(device, "tap")) { + char ifname[64]; + if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { + fprintf(stderr, "tap: no interface name\n"); + return -1; + } + vlan->nb_host_devs++; + ret = tap_win32_init(vlan, ifname); + } else +#endif +#else + if (!strcmp(device, "tap")) { + char ifname[64]; + char setup_script[1024], down_script[1024]; + int fd; + vlan->nb_host_devs++; + if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { + fd = strtol(buf, NULL, 0); + socket_set_nonblock(fd); + ret = -1; + if (net_tap_fd_init(vlan, fd)) + ret = 0; + } else { + if (get_param_value(ifname, sizeof(ifname), "ifname", p) <= 0) { + ifname[0] = '\0'; + } + if (get_param_value(setup_script, sizeof(setup_script), "script", p) == 0) { + pstrcpy(setup_script, sizeof(setup_script), DEFAULT_NETWORK_SCRIPT); + } + if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) { + pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT); + } + ret = net_tap_init(vlan, ifname, setup_script, down_script); + } + } else +#endif + if (!strcmp(device, "socket")) { + if (get_param_value(buf, sizeof(buf), "fd", p) > 0) { + int fd; + fd = strtol(buf, NULL, 0); + ret = -1; + if (net_socket_fd_init(vlan, fd, 1)) + ret = 0; + } else if (get_param_value(buf, sizeof(buf), "listen", p) > 0) { + ret = net_socket_listen_init(vlan, buf); + } else if (get_param_value(buf, sizeof(buf), "connect", p) > 0) { + ret = net_socket_connect_init(vlan, buf); + } else if (get_param_value(buf, sizeof(buf), "mcast", p) > 0) { + ret = net_socket_mcast_init(vlan, buf); + } else { + fprintf(stderr, "Unknown socket options: %s\n", p); + return -1; + } + vlan->nb_host_devs++; + } else +#ifdef CONFIG_VDE + if (!strcmp(device, "vde")) { + char vde_sock[1024], vde_group[512]; + int vde_port, vde_mode; + vlan->nb_host_devs++; + if (get_param_value(vde_sock, sizeof(vde_sock), "sock", p) <= 0) { + vde_sock[0] = '\0'; + } + if (get_param_value(buf, sizeof(buf), "port", p) > 0) { + vde_port = strtol(buf, NULL, 10); + } else { + vde_port = 0; + } + if (get_param_value(vde_group, sizeof(vde_group), "group", p) <= 0) { + vde_group[0] = '\0'; + } + if (get_param_value(buf, sizeof(buf), "mode", p) > 0) { + vde_mode = strtol(buf, NULL, 8); + } else { + vde_mode = 0700; + } + ret = net_vde_init(vlan, vde_sock, vde_port, vde_group, vde_mode); + } else +#endif + { + fprintf(stderr, "Unknown network device: %s\n", device); + return -1; + } + if (ret < 0) { + fprintf(stderr, "Could not initialize device '%s'\n", device); + } + + return ret; +} + +static int net_client_parse(const char *str) +{ + const char *p; + char *q; + char device[64]; + + p = str; + q = device; + while (*p != '\0' && *p != ',') { + if ((q - device) < sizeof(device) - 1) + *q++ = *p; + p++; + } + *q = '\0'; + if (*p == ',') + p++; + + return net_client_init(device, p); +} + +void do_info_network(void) +{ + VLANState *vlan; + VLANClientState *vc; + + for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { + term_printf("VLAN %d devices:\n", vlan->id); + for(vc = vlan->first_client; vc != NULL; vc = vc->next) + term_printf(" %s\n", vc->info_str); + } +} + +#define HD_ALIAS "index=%d,media=disk" +#ifdef TARGET_PPC +#define CDROM_ALIAS "index=1,media=cdrom" +#else +#define CDROM_ALIAS "index=2,media=cdrom" +#endif +#define FD_ALIAS "index=%d,if=floppy" +#define PFLASH_ALIAS "if=pflash" +#define MTD_ALIAS "if=mtd" +#define SD_ALIAS "index=0,if=sd" + +static int drive_add(const char *file, const char *fmt, ...) +{ + va_list ap; + + if (nb_drives_opt >= MAX_DRIVES) { + fprintf(stderr, "qemu: too many drives\n"); + exit(1); + } + + drives_opt[nb_drives_opt].file = file; + va_start(ap, fmt); + vsnprintf(drives_opt[nb_drives_opt].opt, + sizeof(drives_opt[0].opt), fmt, ap); + va_end(ap); + + return nb_drives_opt++; +} + +int drive_get_index(BlockInterfaceType type, int bus, int unit) +{ + int index; + + /* seek interface, bus and unit */ + + for (index = 0; index < nb_drives; index++) + if (drives_table[index].type == type && + drives_table[index].bus == bus && + drives_table[index].unit == unit) + return index; + + return -1; +} + +int drive_get_max_bus(BlockInterfaceType type) +{ + int max_bus; + int index; + + max_bus = -1; + for (index = 0; index < nb_drives; index++) { + if(drives_table[index].type == type && + drives_table[index].bus > max_bus) + max_bus = drives_table[index].bus; + } + return max_bus; +} + +static void bdrv_format_print(void *opaque, const char *name) +{ + fprintf(stderr, " %s", name); +} + +static int drive_init(struct drive_opt *arg, int snapshot, + QEMUMachine *machine) +{ + char buf[128]; + char file[1024]; + char devname[128]; + const char *mediastr = ""; + BlockInterfaceType type; + enum { MEDIA_DISK, MEDIA_CDROM } media; + int bus_id, unit_id; + int cyls, heads, secs, translation; + BlockDriverState *bdrv; + BlockDriver *drv = NULL; + int max_devs; + int index; + int cache; + int bdrv_flags; + char *str = arg->opt; + static const char * const params[] = { "bus", "unit", "if", "index", + "cyls", "heads", "secs", "trans", + "media", "snapshot", "file", + "cache", "format", NULL }; + + if (check_params(buf, sizeof(buf), params, str) < 0) { + fprintf(stderr, "qemu: unknown parameter '%s' in '%s'\n", + buf, str); + return -1; + } + + file[0] = 0; + cyls = heads = secs = 0; + bus_id = 0; + unit_id = -1; + translation = BIOS_ATA_TRANSLATION_AUTO; + index = -1; + cache = 1; + + if (!strcmp(machine->name, "realview") || + !strcmp(machine->name, "SS-5") || + !strcmp(machine->name, "SS-10") || + !strcmp(machine->name, "SS-600MP") || + !strcmp(machine->name, "versatilepb") || + !strcmp(machine->name, "versatileab")) { + type = IF_SCSI; + max_devs = MAX_SCSI_DEVS; + pstrcpy(devname, sizeof(devname), "scsi"); + } else { + type = IF_IDE; + max_devs = MAX_IDE_DEVS; + pstrcpy(devname, sizeof(devname), "ide"); + } + media = MEDIA_DISK; + + /* extract parameters */ + + if (get_param_value(buf, sizeof(buf), "bus", str)) { + bus_id = strtol(buf, NULL, 0); + if (bus_id < 0) { + fprintf(stderr, "qemu: '%s' invalid bus id\n", str); + return -1; + } + } + + if (get_param_value(buf, sizeof(buf), "unit", str)) { + unit_id = strtol(buf, NULL, 0); + if (unit_id < 0) { + fprintf(stderr, "qemu: '%s' invalid unit id\n", str); + return -1; + } + } + + if (get_param_value(buf, sizeof(buf), "if", str)) { + pstrcpy(devname, sizeof(devname), buf); + if (!strcmp(buf, "ide")) { + type = IF_IDE; + max_devs = MAX_IDE_DEVS; + } else if (!strcmp(buf, "scsi")) { + type = IF_SCSI; + max_devs = MAX_SCSI_DEVS; + } else if (!strcmp(buf, "floppy")) { + type = IF_FLOPPY; + max_devs = 0; + } else if (!strcmp(buf, "pflash")) { + type = IF_PFLASH; + max_devs = 0; + } else if (!strcmp(buf, "mtd")) { + type = IF_MTD; + max_devs = 0; + } else if (!strcmp(buf, "sd")) { + type = IF_SD; + max_devs = 0; + } else { + fprintf(stderr, "qemu: '%s' unsupported bus type '%s'\n", str, buf); + return -1; + } + } + + if (get_param_value(buf, sizeof(buf), "index", str)) { + index = strtol(buf, NULL, 0); + if (index < 0) { + fprintf(stderr, "qemu: '%s' invalid index\n", str); + return -1; + } + } + + if (get_param_value(buf, sizeof(buf), "cyls", str)) { + cyls = strtol(buf, NULL, 0); + } + + if (get_param_value(buf, sizeof(buf), "heads", str)) { + heads = strtol(buf, NULL, 0); + } + + if (get_param_value(buf, sizeof(buf), "secs", str)) { + secs = strtol(buf, NULL, 0); + } + + if (cyls || heads || secs) { + if (cyls < 1 || cyls > 16383) { + fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", str); + return -1; + } + if (heads < 1 || heads > 16) { + fprintf(stderr, "qemu: '%s' invalid physical heads number\n", str); + return -1; + } + if (secs < 1 || secs > 63) { + fprintf(stderr, "qemu: '%s' invalid physical secs number\n", str); + return -1; + } + } + + if (get_param_value(buf, sizeof(buf), "trans", str)) { + if (!cyls) { + fprintf(stderr, + "qemu: '%s' trans must be used with cyls,heads and secs\n", + str); + return -1; + } + if (!strcmp(buf, "none")) + translation = BIOS_ATA_TRANSLATION_NONE; + else if (!strcmp(buf, "lba")) + translation = BIOS_ATA_TRANSLATION_LBA; + else if (!strcmp(buf, "auto")) + translation = BIOS_ATA_TRANSLATION_AUTO; + else { + fprintf(stderr, "qemu: '%s' invalid translation type\n", str); + return -1; + } + } + + if (get_param_value(buf, sizeof(buf), "media", str)) { + if (!strcmp(buf, "disk")) { + media = MEDIA_DISK; + } else if (!strcmp(buf, "cdrom")) { + if (cyls || secs || heads) { + fprintf(stderr, + "qemu: '%s' invalid physical CHS format\n", str); + return -1; + } + media = MEDIA_CDROM; + } else { + fprintf(stderr, "qemu: '%s' invalid media\n", str); + return -1; + } + } + + if (get_param_value(buf, sizeof(buf), "snapshot", str)) { + if (!strcmp(buf, "on")) + snapshot = 1; + else if (!strcmp(buf, "off")) + snapshot = 0; + else { + fprintf(stderr, "qemu: '%s' invalid snapshot option\n", str); + return -1; + } + } + + if (get_param_value(buf, sizeof(buf), "cache", str)) { + if (!strcmp(buf, "off")) + cache = 0; + else if (!strcmp(buf, "on")) + cache = 1; + else { + fprintf(stderr, "qemu: invalid cache option\n"); + return -1; + } + } + + if (get_param_value(buf, sizeof(buf), "format", str)) { + if (strcmp(buf, "?") == 0) { + fprintf(stderr, "qemu: Supported formats:"); + bdrv_iterate_format(bdrv_format_print, NULL); + fprintf(stderr, "\n"); + return -1; + } + drv = bdrv_find_format(buf); + if (!drv) { + fprintf(stderr, "qemu: '%s' invalid format\n", buf); + return -1; + } + } + + if (arg->file == NULL) + get_param_value(file, sizeof(file), "file", str); + else + pstrcpy(file, sizeof(file), arg->file); + + /* compute bus and unit according index */ + + if (index != -1) { + if (bus_id != 0 || unit_id != -1) { + fprintf(stderr, + "qemu: '%s' index cannot be used with bus and unit\n", str); + return -1; + } + if (max_devs == 0) + { + unit_id = index; + bus_id = 0; + } else { + unit_id = index % max_devs; + bus_id = index / max_devs; + } + } + + /* if user doesn't specify a unit_id, + * try to find the first free + */ + + if (unit_id == -1) { + unit_id = 0; + while (drive_get_index(type, bus_id, unit_id) != -1) { + unit_id++; + if (max_devs && unit_id >= max_devs) { + unit_id -= max_devs; + bus_id++; + } + } + } + + /* check unit id */ + + if (max_devs && unit_id >= max_devs) { + fprintf(stderr, "qemu: '%s' unit %d too big (max is %d)\n", + str, unit_id, max_devs - 1); + return -1; + } + + /* + * ignore multiple definitions + */ + + if (drive_get_index(type, bus_id, unit_id) != -1) + return 0; + + /* init */ + + if (type == IF_IDE || type == IF_SCSI) + mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; + if (max_devs) + snprintf(buf, sizeof(buf), "%s%i%s%i", + devname, bus_id, mediastr, unit_id); + else + snprintf(buf, sizeof(buf), "%s%s%i", + devname, mediastr, unit_id); + bdrv = bdrv_new(buf); + drives_table[nb_drives].bdrv = bdrv; + drives_table[nb_drives].type = type; + drives_table[nb_drives].bus = bus_id; + drives_table[nb_drives].unit = unit_id; + nb_drives++; + + switch(type) { + case IF_IDE: + case IF_SCSI: + switch(media) { + case MEDIA_DISK: + if (cyls != 0) { + bdrv_set_geometry_hint(bdrv, cyls, heads, secs); + bdrv_set_translation_hint(bdrv, translation); + } + break; + case MEDIA_CDROM: + bdrv_set_type_hint(bdrv, BDRV_TYPE_CDROM); + break; + } + break; + case IF_SD: + /* FIXME: This isn't really a floppy, but it's a reasonable + approximation. */ + case IF_FLOPPY: + bdrv_set_type_hint(bdrv, BDRV_TYPE_FLOPPY); + break; + case IF_PFLASH: + case IF_MTD: + break; + } + if (!file[0]) + return 0; + bdrv_flags = 0; + if (snapshot) + bdrv_flags |= BDRV_O_SNAPSHOT; + if (!cache) + bdrv_flags |= BDRV_O_DIRECT; + if (bdrv_open2(bdrv, file, bdrv_flags, drv) < 0 || qemu_key_check(bdrv, file)) { + fprintf(stderr, "qemu: could not open disk image %s\n", + file); + return -1; + } + return 0; +} + +/***********************************************************/ +/* USB devices */ + +static USBPort *used_usb_ports; +static USBPort *free_usb_ports; + +/* ??? Maybe change this to register a hub to keep track of the topology. */ +void qemu_register_usb_port(USBPort *port, void *opaque, int index, + usb_attachfn attach) +{ + port->opaque = opaque; + port->index = index; + port->attach = attach; + port->next = free_usb_ports; + free_usb_ports = port; +} + +int usb_device_add_dev(USBDevice *dev) +{ + USBPort *port; + + /* Find a USB port to add the device to. */ + port = free_usb_ports; + if (!port->next) { + USBDevice *hub; + + /* Create a new hub and chain it on. */ + free_usb_ports = NULL; + port->next = used_usb_ports; + used_usb_ports = port; + + hub = usb_hub_init(VM_USB_HUB_SIZE); + usb_attach(port, hub); + port = free_usb_ports; + } + + free_usb_ports = port->next; + port->next = used_usb_ports; + used_usb_ports = port; + usb_attach(port, dev); + return 0; +} + +static int usb_device_add(const char *devname) +{ + const char *p; + USBDevice *dev; + + if (!free_usb_ports) + return -1; + + if (strstart(devname, "host:", &p)) { + dev = usb_host_device_open(p); + } else if (!strcmp(devname, "mouse")) { + dev = usb_mouse_init(); + } else if (!strcmp(devname, "tablet")) { + dev = usb_tablet_init(); + } else if (!strcmp(devname, "keyboard")) { + dev = usb_keyboard_init(); + } else if (strstart(devname, "disk:", &p)) { + dev = usb_msd_init(p); +#if 0 + } else if (!strcmp(devname, "wacom-tablet")) { + dev = usb_wacom_init(); + } else if (strstart(devname, "serial:", &p)) { + dev = usb_serial_init(p); +#ifdef CONFIG_BRLAPI + } else if (!strcmp(devname, "braille")) { + dev = usb_baum_init(); +#endif + } else if (strstart(devname, "net:", &p)) { + int nic = nb_nics; + + if (net_client_init("nic", p) < 0) + return -1; + nd_table[nic].model = "usb"; + dev = usb_net_init(&nd_table[nic]); +#endif + } else { + return -1; + } + if (!dev) + return -1; + + return usb_device_add_dev(dev); +} + +int usb_device_del_addr(int bus_num, int addr) +{ + USBPort *port; + USBPort **lastp; + USBDevice *dev; + + if (!used_usb_ports) + return -1; + + if (bus_num != 0) + return -1; + + lastp = &used_usb_ports; + port = used_usb_ports; + while (port && port->dev->addr != addr) { + lastp = &port->next; + port = port->next; + } + + if (!port) + return -1; + + dev = port->dev; + *lastp = port->next; + usb_attach(port, NULL); + dev->handle_destroy(dev); + port->next = free_usb_ports; + free_usb_ports = port; + return 0; +} + +static int usb_device_del(const char *devname) +{ + int bus_num, addr; + const char *p; + + if (strstart(devname, "host:", &p)) + return usb_host_device_close(p); + + if (!used_usb_ports) + return -1; + + p = strchr(devname, '.'); + if (!p) + return -1; + bus_num = strtoul(devname, NULL, 0); + addr = strtoul(p + 1, NULL, 0); + + return usb_device_del_addr(bus_num, addr); +} + +void do_usb_add(const char *devname) +{ + usb_device_add(devname); +} + +void do_usb_del(const char *devname) +{ + usb_device_del(devname); +} + +void usb_info(void) +{ + USBDevice *dev; + USBPort *port; + const char *speed_str; + + if (!usb_enabled) { + term_printf("USB support not enabled\n"); + return; + } + + for (port = used_usb_ports; port; port = port->next) { + dev = port->dev; + if (!dev) + continue; + switch(dev->speed) { + case USB_SPEED_LOW: + speed_str = "1.5"; + break; + case USB_SPEED_FULL: + speed_str = "12"; + break; + case USB_SPEED_HIGH: + speed_str = "480"; + break; + default: + speed_str = "?"; + break; + } + term_printf(" Device %d.%d, Speed %s Mb/s, Product %s\n", + 0, dev->addr, speed_str, dev->devname); + } +} + +/***********************************************************/ +/* pid file */ + +static char *pid_filename; + +/* Remove PID file. Called on normal exit */ + +static void remove_pidfile(void) +{ + unlink (pid_filename); +} + +static void create_pidfile(const char *filename) +{ + struct stat pidstat; + FILE *f; + + /* Try to write our PID to the named file */ + if (stat(filename, &pidstat) < 0) { + if (errno == ENOENT) { + if ((f = fopen (filename, "w")) == NULL) { + perror("Opening pidfile"); + exit(1); + } + fprintf(f, "%d\n", getpid()); + fclose(f); + pid_filename = qemu_strdup(filename); + if (!pid_filename) { + fprintf(stderr, "Could not save PID filename"); + exit(1); + } + atexit(remove_pidfile); + } + } else { + fprintf(stderr, "%s already exists. Remove it and try again.\n", + filename); + exit(1); + } +} + +/***********************************************************/ +/* dumb display */ + +static void dumb_update(DisplayState *ds, int x, int y, int w, int h) +{ +} + +static void dumb_resize(DisplayState *ds, int w, int h) +{ +} + +static void dumb_refresh(DisplayState *ds) +{ +#if defined(CONFIG_SDL) + vga_hw_update(); +#endif +} + +static void dumb_display_init(DisplayState *ds) +{ + ds->data = NULL; + ds->linesize = 0; + ds->depth = 0; + ds->dpy_update = dumb_update; + ds->dpy_resize = dumb_resize; + ds->dpy_refresh = dumb_refresh; + ds->gui_timer_interval = 500; + ds->idle = 1; +} + +/***********************************************************/ +/* I/O handling */ + +#define MAX_IO_HANDLERS 64 + +typedef struct IOHandlerRecord { + int fd; + IOCanRWHandler *fd_read_poll; + IOHandler *fd_read; + IOHandler *fd_write; + int deleted; + void *opaque; + /* temporary data */ + struct pollfd *ufd; + struct IOHandlerRecord *next; +} IOHandlerRecord; + +static IOHandlerRecord *first_io_handler; + +/* XXX: fd_read_poll should be suppressed, but an API change is + necessary in the character devices to suppress fd_can_read(). */ +int qemu_set_fd_handler2(int fd, + IOCanRWHandler *fd_read_poll, + IOHandler *fd_read, + IOHandler *fd_write, + void *opaque) +{ + IOHandlerRecord **pioh, *ioh; + + if (!fd_read && !fd_write) { + pioh = &first_io_handler; + for(;;) { + ioh = *pioh; + if (ioh == NULL) + break; + if (ioh->fd == fd) { + ioh->deleted = 1; + break; + } + pioh = &ioh->next; + } + } else { + for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { + if (ioh->fd == fd) + goto found; + } + ioh = qemu_mallocz(sizeof(IOHandlerRecord)); + if (!ioh) + return -1; + ioh->next = first_io_handler; + first_io_handler = ioh; + found: + ioh->fd = fd; + ioh->fd_read_poll = fd_read_poll; + ioh->fd_read = fd_read; + ioh->fd_write = fd_write; + ioh->opaque = opaque; + ioh->deleted = 0; + } + return 0; +} + +int qemu_set_fd_handler(int fd, + IOHandler *fd_read, + IOHandler *fd_write, + void *opaque) +{ + return qemu_set_fd_handler2(fd, NULL, fd_read, fd_write, opaque); +} + +/***********************************************************/ +/* Polling handling */ + +typedef struct PollingEntry { + PollingFunc *func; + void *opaque; + struct PollingEntry *next; +} PollingEntry; + +static PollingEntry *first_polling_entry; + +int qemu_add_polling_cb(PollingFunc *func, void *opaque) +{ + PollingEntry **ppe, *pe; + pe = qemu_mallocz(sizeof(PollingEntry)); + if (!pe) + return -1; + pe->func = func; + pe->opaque = opaque; + for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next); + *ppe = pe; + return 0; +} + +void qemu_del_polling_cb(PollingFunc *func, void *opaque) +{ + PollingEntry **ppe, *pe; + for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) { + pe = *ppe; + if (pe->func == func && pe->opaque == opaque) { + *ppe = pe->next; + qemu_free(pe); + break; + } + } +} + +#ifdef _WIN32 +/***********************************************************/ +/* Wait objects support */ +typedef struct WaitObjects { + int num; + HANDLE events[MAXIMUM_WAIT_OBJECTS + 1]; + WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1]; + void *opaque[MAXIMUM_WAIT_OBJECTS + 1]; +} WaitObjects; + +static WaitObjects wait_objects = {0}; + +int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) +{ + WaitObjects *w = &wait_objects; + + if (w->num >= MAXIMUM_WAIT_OBJECTS) + return -1; + w->events[w->num] = handle; + w->func[w->num] = func; + w->opaque[w->num] = opaque; + w->num++; + return 0; +} + +void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque) +{ + int i, found; + WaitObjects *w = &wait_objects; + + found = 0; + for (i = 0; i < w->num; i++) { + if (w->events[i] == handle) + found = 1; + if (found) { + w->events[i] = w->events[i + 1]; + w->func[i] = w->func[i + 1]; + w->opaque[i] = w->opaque[i + 1]; + } + } + if (found) + w->num--; +} +#endif + +/***********************************************************/ +/* savevm/loadvm support */ + +#define IO_BUF_SIZE 32768 + +struct QEMUFile { + FILE *outfile; + BlockDriverState *bs; + int is_file; + int is_writable; + int64_t base_offset; + int64_t buf_offset; /* start of buffer when writing, end of buffer + when reading */ + int buf_index; + int buf_size; /* 0 when writing */ + uint8_t buf[IO_BUF_SIZE]; +}; + +QEMUFile *qemu_fopen(const char *filename, const char *mode) +{ + QEMUFile *f; + + f = qemu_mallocz(sizeof(QEMUFile)); + if (!f) + return NULL; + if (!strcmp(mode, "wb")) { + f->is_writable = 1; + } else if (!strcmp(mode, "rb")) { + f->is_writable = 0; + } else { + goto fail; + } + f->outfile = fopen(filename, mode); + if (!f->outfile) + goto fail; + f->is_file = 1; + return f; + fail: + if (f->outfile) + fclose(f->outfile); + qemu_free(f); + return NULL; +} + +static QEMUFile *qemu_fopen_bdrv(BlockDriverState *bs, int64_t offset, int is_writable) +{ + QEMUFile *f; + + f = qemu_mallocz(sizeof(QEMUFile)); + if (!f) + return NULL; + f->is_file = 0; + f->bs = bs; + f->is_writable = is_writable; + f->base_offset = offset; + return f; +} + +void qemu_fflush(QEMUFile *f) +{ + if (!f->is_writable) + return; + if (f->buf_index > 0) { + if (f->is_file) { + fseek(f->outfile, f->buf_offset, SEEK_SET); + fwrite(f->buf, 1, f->buf_index, f->outfile); + } else { + bdrv_pwrite(f->bs, f->base_offset + f->buf_offset, + f->buf, f->buf_index); + } + f->buf_offset += f->buf_index; + f->buf_index = 0; + } +} + +static void qemu_fill_buffer(QEMUFile *f) +{ + int len; + + if (f->is_writable) + return; + if (f->is_file) { + fseek(f->outfile, f->buf_offset, SEEK_SET); + len = fread(f->buf, 1, IO_BUF_SIZE, f->outfile); + if (len < 0) + len = 0; + } else { + len = bdrv_pread(f->bs, f->base_offset + f->buf_offset, + f->buf, IO_BUF_SIZE); + if (len < 0) + len = 0; + } + f->buf_index = 0; + f->buf_size = len; + f->buf_offset += len; +} + +void qemu_fclose(QEMUFile *f) +{ + if (f->is_writable) + qemu_fflush(f); + if (f->is_file) { + fclose(f->outfile); + } + qemu_free(f); +} + +void qemu_put_buffer(QEMUFile *f, const uint8_t *buf, int size) +{ + int l; + while (size > 0) { + l = IO_BUF_SIZE - f->buf_index; + if (l > size) + l = size; + memcpy(f->buf + f->buf_index, buf, l); + f->buf_index += l; + buf += l; + size -= l; + if (f->buf_index >= IO_BUF_SIZE) + qemu_fflush(f); + } +} + +void qemu_put_byte(QEMUFile *f, int v) +{ + f->buf[f->buf_index++] = v; + if (f->buf_index >= IO_BUF_SIZE) + qemu_fflush(f); +} + +int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size1) +{ + int size, l; + + size = size1; + while (size > 0) { + l = f->buf_size - f->buf_index; + if (l == 0) { + qemu_fill_buffer(f); + l = f->buf_size - f->buf_index; + if (l == 0) + break; + } + if (l > size) + l = size; + memcpy(buf, f->buf + f->buf_index, l); + f->buf_index += l; + buf += l; + size -= l; + } + return size1 - size; +} + +int qemu_get_byte(QEMUFile *f) +{ + if (f->buf_index >= f->buf_size) { + qemu_fill_buffer(f); + if (f->buf_index >= f->buf_size) + return 0; + } + return f->buf[f->buf_index++]; +} + +int64_t qemu_ftell(QEMUFile *f) +{ + return f->buf_offset - f->buf_size + f->buf_index; +} + +int64_t qemu_fseek(QEMUFile *f, int64_t pos, int whence) +{ + if (whence == SEEK_SET) { + /* nothing to do */ + } else if (whence == SEEK_CUR) { + pos += qemu_ftell(f); + } else { + /* SEEK_END not supported */ + return -1; + } + if (f->is_writable) { + qemu_fflush(f); + f->buf_offset = pos; + } else { + f->buf_offset = pos; + f->buf_index = 0; + f->buf_size = 0; + } + return pos; +} + +void qemu_put_be16(QEMUFile *f, unsigned int v) +{ + qemu_put_byte(f, v >> 8); + qemu_put_byte(f, v); +} + +void qemu_put_be32(QEMUFile *f, unsigned int v) +{ + qemu_put_byte(f, v >> 24); + qemu_put_byte(f, v >> 16); + qemu_put_byte(f, v >> 8); + qemu_put_byte(f, v); +} + +void qemu_put_be64(QEMUFile *f, uint64_t v) +{ + qemu_put_be32(f, v >> 32); + qemu_put_be32(f, v); +} + +unsigned int qemu_get_be16(QEMUFile *f) +{ + unsigned int v; + v = qemu_get_byte(f) << 8; + v |= qemu_get_byte(f); + return v; +} + +unsigned int qemu_get_be32(QEMUFile *f) +{ + unsigned int v; + v = qemu_get_byte(f) << 24; + v |= qemu_get_byte(f) << 16; + v |= qemu_get_byte(f) << 8; + v |= qemu_get_byte(f); + return v; +} + +uint64_t qemu_get_be64(QEMUFile *f) +{ + uint64_t v; + v = (uint64_t)qemu_get_be32(f) << 32; + v |= qemu_get_be32(f); + return v; +} + +void qemu_put_struct(QEMUFile* f, const QField* fields, const void* s) +{ + const QField* qf = fields; + + for (;;) { + uint8_t* p = (uint8_t*)s + qf->offset; + + switch (qf->type) { + case Q_FIELD_END: + break; + case Q_FIELD_BYTE: + qemu_put_byte(f, p[0]); + break; + case Q_FIELD_INT16: + qemu_put_be16(f, ((uint16_t*)p)[0]); + break; + case Q_FIELD_INT32: + qemu_put_be32(f, ((uint32_t*)p)[0]); + break; + case Q_FIELD_INT64: + qemu_put_be64(f, ((uint64_t*)p)[0]); + break; + case Q_FIELD_BUFFER: + if (fields[1].type != Q_FIELD_BUFFER_SIZE || + fields[2].type != Q_FIELD_BUFFER_SIZE) + { + fprintf(stderr, "%s: invalid QFIELD_BUFFER item passed as argument. aborting\n", + __FUNCTION__ ); + exit(1); + } + else + { + uint32_t size = ((uint32_t)fields[1].offset << 16) | (uint32_t)fields[2].offset; + + qemu_put_buffer(f, p, size); + qf += 2; + } + break; + default: + fprintf(stderr, "%s: invalid fields list passed as argument. aborting\n", __FUNCTION__); + exit(1); + } + qf++; + } +} + +int qemu_get_struct(QEMUFile* f, const QField* fields, void* s) +{ + const QField* qf = fields; + + for (;;) { + uint8_t* p = (uint8_t*)s + qf->offset; + + switch (qf->type) { + case Q_FIELD_END: + break; + case Q_FIELD_BYTE: + p[0] = qemu_get_byte(f); + break; + case Q_FIELD_INT16: + ((uint16_t*)p)[0] = qemu_get_be16(f); + break; + case Q_FIELD_INT32: + ((uint32_t*)p)[0] = qemu_get_be32(f); + break; + case Q_FIELD_INT64: + ((uint64_t*)p)[0] = qemu_get_be64(f); + break; + case Q_FIELD_BUFFER: + if (fields[1].type != Q_FIELD_BUFFER_SIZE || + fields[2].type != Q_FIELD_BUFFER_SIZE) + { + fprintf(stderr, "%s: invalid QFIELD_BUFFER item passed as argument.\n", + __FUNCTION__ ); + return -1; + } + else + { + uint32_t size = ((uint32_t)fields[1].offset << 16) | (uint32_t)fields[2].offset; + int ret = qemu_get_buffer(f, p, size); + + if (ret != size) { + fprintf(stderr, "%s: not enough bytes to load structure\n", __FUNCTION__); + return -1; + } + qf += 2; + } + break; + default: + fprintf(stderr, "%s: invalid fields list passed as argument. aborting\n", __FUNCTION__); + exit(1); + } + qf++; + } + return 0; +} + +typedef struct SaveStateEntry { + char idstr[256]; + int instance_id; + int version_id; + SaveStateHandler *save_state; + LoadStateHandler *load_state; + void *opaque; + struct SaveStateEntry *next; +} SaveStateEntry; + +static SaveStateEntry *first_se; + +/* TODO: Individual devices generally have very little idea about the rest + of the system, so instance_id should be removed/replaced. + Meanwhile pass -1 as instance_id if you do not already have a clearly + distinguishing id for all instances of your device class. */ +int register_savevm(const char *idstr, + int instance_id, + int version_id, + SaveStateHandler *save_state, + LoadStateHandler *load_state, + void *opaque) +{ + SaveStateEntry *se, **pse; + + se = qemu_malloc(sizeof(SaveStateEntry)); + if (!se) + return -1; + pstrcpy(se->idstr, sizeof(se->idstr), idstr); + se->instance_id = (instance_id == -1) ? 0 : instance_id; + se->version_id = version_id; + se->save_state = save_state; + se->load_state = load_state; + se->opaque = opaque; + se->next = NULL; + + /* add at the end of list */ + pse = &first_se; + while (*pse != NULL) { + if (instance_id == -1 + && strcmp(se->idstr, (*pse)->idstr) == 0 + && se->instance_id <= (*pse)->instance_id) + se->instance_id = (*pse)->instance_id + 1; + pse = &(*pse)->next; + } + *pse = se; + return 0; +} + +#define QEMU_VM_FILE_MAGIC 0x5145564d +#define QEMU_VM_FILE_VERSION 0x00000002 + +static int qemu_savevm_state(QEMUFile *f) +{ + SaveStateEntry *se; + int len, ret; + int64_t cur_pos, len_pos, total_len_pos; + + qemu_put_be32(f, QEMU_VM_FILE_MAGIC); + qemu_put_be32(f, QEMU_VM_FILE_VERSION); + total_len_pos = qemu_ftell(f); + qemu_put_be64(f, 0); /* total size */ + + for(se = first_se; se != NULL; se = se->next) { + if (se->save_state == NULL) + /* this one has a loader only, for backwards compatibility */ + continue; + + /* ID string */ + len = strlen(se->idstr); + qemu_put_byte(f, len); + qemu_put_buffer(f, (uint8_t *)se->idstr, len); + + qemu_put_be32(f, se->instance_id); + qemu_put_be32(f, se->version_id); + + /* record size: filled later */ + len_pos = qemu_ftell(f); + qemu_put_be32(f, 0); + se->save_state(f, se->opaque); + + /* fill record size */ + cur_pos = qemu_ftell(f); + len = cur_pos - len_pos - 4; + qemu_fseek(f, len_pos, SEEK_SET); + qemu_put_be32(f, len); + qemu_fseek(f, cur_pos, SEEK_SET); + } + cur_pos = qemu_ftell(f); + qemu_fseek(f, total_len_pos, SEEK_SET); + qemu_put_be64(f, cur_pos - total_len_pos - 8); + qemu_fseek(f, cur_pos, SEEK_SET); + + ret = 0; + return ret; +} + +static SaveStateEntry *find_se(const char *idstr, int instance_id) +{ + SaveStateEntry *se; + + for(se = first_se; se != NULL; se = se->next) { + if (!strcmp(se->idstr, idstr) && + instance_id == se->instance_id) + return se; + } + return NULL; +} + +static int qemu_loadvm_state(QEMUFile *f) +{ + SaveStateEntry *se; + int len, ret, instance_id, record_len, version_id; + int64_t total_len, end_pos, cur_pos; + unsigned int v; + char idstr[256]; + + v = qemu_get_be32(f); + if (v != QEMU_VM_FILE_MAGIC) + goto fail; + v = qemu_get_be32(f); + if (v != QEMU_VM_FILE_VERSION) { + fail: + ret = -1; + goto the_end; + } + total_len = qemu_get_be64(f); + end_pos = total_len + qemu_ftell(f); + for(;;) { + if (qemu_ftell(f) >= end_pos) + break; + len = qemu_get_byte(f); + qemu_get_buffer(f, (uint8_t *)idstr, len); + idstr[len] = '\0'; + instance_id = qemu_get_be32(f); + version_id = qemu_get_be32(f); + record_len = qemu_get_be32(f); +#if 0 + printf("idstr=%s instance=0x%x version=%d len=%d\n", + idstr, instance_id, version_id, record_len); +#endif + cur_pos = qemu_ftell(f); + se = find_se(idstr, instance_id); + if (!se) { + fprintf(stderr, "qemu: warning: instance 0x%x of device '%s' not present in current VM\n", + instance_id, idstr); + } else { + ret = se->load_state(f, se->opaque, version_id); + if (ret < 0) { + fprintf(stderr, "qemu: warning: error while loading state for instance 0x%x of device '%s'\n", + instance_id, idstr); + } + } + /* always seek to exact end of record */ + qemu_fseek(f, cur_pos + record_len, SEEK_SET); + } + ret = 0; + the_end: + return ret; +} + +/* device can contain snapshots */ +static int bdrv_can_snapshot(BlockDriverState *bs) +{ + return (bs && + !bdrv_is_removable(bs) && + !bdrv_is_read_only(bs)); +} + +/* device must be snapshots in order to have a reliable snapshot */ +static int bdrv_has_snapshot(BlockDriverState *bs) +{ + return (bs && + !bdrv_is_removable(bs) && + !bdrv_is_read_only(bs)); +} + +static BlockDriverState *get_bs_snapshots(void) +{ + BlockDriverState *bs; + int i; + + if (bs_snapshots) + return bs_snapshots; + for(i = 0; i <= nb_drives; i++) { + bs = drives_table[i].bdrv; + if (bdrv_can_snapshot(bs)) + goto ok; + } + return NULL; + ok: + bs_snapshots = bs; + return bs; +} + +static int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, + const char *name) +{ + QEMUSnapshotInfo *sn_tab, *sn; + int nb_sns, i, ret; + + ret = -ENOENT; + nb_sns = bdrv_snapshot_list(bs, &sn_tab); + if (nb_sns < 0) + return ret; + for(i = 0; i < nb_sns; i++) { + sn = &sn_tab[i]; + if (!strcmp(sn->id_str, name) || !strcmp(sn->name, name)) { + *sn_info = *sn; + ret = 0; + break; + } + } + qemu_free(sn_tab); + return ret; +} + +void do_savevm(const char *name) +{ + BlockDriverState *bs, *bs1; + QEMUSnapshotInfo sn1, *sn = &sn1, old_sn1, *old_sn = &old_sn1; + int must_delete, ret, i; + BlockDriverInfo bdi1, *bdi = &bdi1; + QEMUFile *f; + int saved_vm_running; +#ifdef _WIN32 + struct _timeb tb; +#else + struct timeval tv; +#endif + + bs = get_bs_snapshots(); + if (!bs) { + term_printf("No block device can accept snapshots\n"); + return; + } + + /* ??? Should this occur after vm_stop? */ + qemu_aio_flush(); + + saved_vm_running = vm_running; + vm_stop(0); + + must_delete = 0; + if (name) { + ret = bdrv_snapshot_find(bs, old_sn, name); + if (ret >= 0) { + must_delete = 1; + } + } + memset(sn, 0, sizeof(*sn)); + if (must_delete) { + pstrcpy(sn->name, sizeof(sn->name), old_sn->name); + pstrcpy(sn->id_str, sizeof(sn->id_str), old_sn->id_str); + } else { + if (name) + pstrcpy(sn->name, sizeof(sn->name), name); + } + + /* fill auxiliary fields */ +#ifdef _WIN32 + _ftime(&tb); + sn->date_sec = tb.time; + sn->date_nsec = tb.millitm * 1000000; +#else + gettimeofday(&tv, NULL); + sn->date_sec = tv.tv_sec; + sn->date_nsec = tv.tv_usec * 1000; +#endif + sn->vm_clock_nsec = qemu_get_clock(vm_clock); + + if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { + term_printf("Device %s does not support VM state snapshots\n", + bdrv_get_device_name(bs)); + goto the_end; + } + + /* save the VM state */ + f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 1); + if (!f) { + term_printf("Could not open VM state file\n"); + goto the_end; + } + ret = qemu_savevm_state(f); + sn->vm_state_size = qemu_ftell(f); + qemu_fclose(f); + if (ret < 0) { + term_printf("Error %d while writing VM\n", ret); + goto the_end; + } + + /* create the snapshots */ + + for(i = 0; i < nb_drives; i++) { + bs1 = drives_table[i].bdrv; + if (bdrv_has_snapshot(bs1)) { + if (must_delete) { + ret = bdrv_snapshot_delete(bs1, old_sn->id_str); + if (ret < 0) { + term_printf("Error while deleting snapshot on '%s'\n", + bdrv_get_device_name(bs1)); + } + } + ret = bdrv_snapshot_create(bs1, sn); + if (ret < 0) { + term_printf("Error while creating snapshot on '%s'\n", + bdrv_get_device_name(bs1)); + } + } + } + + the_end: + if (saved_vm_running) + vm_start(); +} + +void do_loadvm(const char *name) +{ + BlockDriverState *bs, *bs1; + BlockDriverInfo bdi1, *bdi = &bdi1; + QEMUFile *f; + int i, ret; + int saved_vm_running; + + bs = get_bs_snapshots(); + if (!bs) { + term_printf("No block device supports snapshots\n"); + return; + } + + /* Flush all IO requests so they don't interfere with the new state. */ + qemu_aio_flush(); + + saved_vm_running = vm_running; + vm_stop(0); + + for(i = 0; i <= nb_drives; i++) { + bs1 = drives_table[i].bdrv; + if (bdrv_has_snapshot(bs1)) { + ret = bdrv_snapshot_goto(bs1, name); + if (ret < 0) { + if (bs != bs1) + term_printf("Warning: "); + switch(ret) { + case -ENOTSUP: + term_printf("Snapshots not supported on device '%s'\n", + bdrv_get_device_name(bs1)); + break; + case -ENOENT: + term_printf("Could not find snapshot '%s' on device '%s'\n", + name, bdrv_get_device_name(bs1)); + break; + default: + term_printf("Error %d while activating snapshot on '%s'\n", + ret, bdrv_get_device_name(bs1)); + break; + } + /* fatal on snapshot block device */ + if (bs == bs1) + goto the_end; + } + } + } + + if (bdrv_get_info(bs, bdi) < 0 || bdi->vm_state_offset <= 0) { + term_printf("Device %s does not support VM state snapshots\n", + bdrv_get_device_name(bs)); + return; + } + + /* restore the VM state */ + f = qemu_fopen_bdrv(bs, bdi->vm_state_offset, 0); + if (!f) { + term_printf("Could not open VM state file\n"); + goto the_end; + } + ret = qemu_loadvm_state(f); + qemu_fclose(f); + if (ret < 0) { + term_printf("Error %d while loading VM state\n", ret); + } + the_end: + if (saved_vm_running) + vm_start(); +} + +void do_delvm(const char *name) +{ + BlockDriverState *bs, *bs1; + int i, ret; + + bs = get_bs_snapshots(); + if (!bs) { + term_printf("No block device supports snapshots\n"); + return; + } + + for(i = 0; i <= nb_drives; i++) { + bs1 = drives_table[i].bdrv; + if (bdrv_has_snapshot(bs1)) { + ret = bdrv_snapshot_delete(bs1, name); + if (ret < 0) { + if (ret == -ENOTSUP) + term_printf("Snapshots not supported on device '%s'\n", + bdrv_get_device_name(bs1)); + else + term_printf("Error %d while deleting snapshot on '%s'\n", + ret, bdrv_get_device_name(bs1)); + } + } + } +} + +void do_info_snapshots(void) +{ + BlockDriverState *bs, *bs1; + QEMUSnapshotInfo *sn_tab, *sn; + int nb_sns, i; + char buf[256]; + + bs = get_bs_snapshots(); + if (!bs) { + term_printf("No available block device supports snapshots\n"); + return; + } + term_printf("Snapshot devices:"); + for(i = 0; i <= nb_drives; i++) { + bs1 = drives_table[i].bdrv; + if (bdrv_has_snapshot(bs1)) { + if (bs == bs1) + term_printf(" %s", bdrv_get_device_name(bs1)); + } + } + term_printf("\n"); + + nb_sns = bdrv_snapshot_list(bs, &sn_tab); + if (nb_sns < 0) { + term_printf("bdrv_snapshot_list: error %d\n", nb_sns); + return; + } + term_printf("Snapshot list (from %s):\n", bdrv_get_device_name(bs)); + term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); + for(i = 0; i < nb_sns; i++) { + sn = &sn_tab[i]; + term_printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); + } + qemu_free(sn_tab); +} + +/***********************************************************/ +/* ram save/restore */ +/* we just avoid storing empty pages */ +static void ram_put_page(QEMUFile *f, const uint8_t *buf, int len) +{ + int i, v; + + v = buf[0]; + for(i = 1; i < len; i++) { + if (buf[i] != v) + goto normal_save; + } + qemu_put_byte(f, 1); + qemu_put_byte(f, v); + return; + normal_save: + qemu_put_byte(f, 0); + qemu_put_buffer(f, buf, len); +} + +static int ram_get_page(QEMUFile *f, uint8_t *buf, int len) +{ + int v; + + v = qemu_get_byte(f); + switch(v) { + case 0: + if (qemu_get_buffer(f, buf, len) != len) + return -EIO; + break; + case 1: + v = qemu_get_byte(f); + memset(buf, v, len); + break; + default: + return -EINVAL; + } + return 0; +} + +static int ram_load_v1(QEMUFile *f, void *opaque) +{ + int ret; + ram_addr_t i; + + if (qemu_get_be32(f) != phys_ram_size) + return -EINVAL; + for(i = 0; i < phys_ram_size; i+= TARGET_PAGE_SIZE) { + ret = ram_get_page(f, phys_ram_base + i, TARGET_PAGE_SIZE); + if (ret) + return ret; + } + return 0; +} + +#define BDRV_HASH_BLOCK_SIZE 1024 +#define IOBUF_SIZE 4096 +#define RAM_CBLOCK_MAGIC 0xfabe + +typedef struct RamCompressState { + z_stream zstream; + QEMUFile *f; + uint8_t buf[IOBUF_SIZE]; +} RamCompressState; + +static int ram_compress_open(RamCompressState *s, QEMUFile *f) +{ + int ret; + memset(s, 0, sizeof(*s)); + s->f = f; + ret = deflateInit2(&s->zstream, 1, + Z_DEFLATED, 15, + 9, Z_DEFAULT_STRATEGY); + if (ret != Z_OK) + return -1; + s->zstream.avail_out = IOBUF_SIZE; + s->zstream.next_out = s->buf; + return 0; +} + +static void ram_put_cblock(RamCompressState *s, const uint8_t *buf, int len) +{ + qemu_put_be16(s->f, RAM_CBLOCK_MAGIC); + qemu_put_be16(s->f, len); + qemu_put_buffer(s->f, buf, len); +} + +static int ram_compress_buf(RamCompressState *s, const uint8_t *buf, int len) +{ + int ret; + + s->zstream.avail_in = len; + s->zstream.next_in = (uint8_t *)buf; + while (s->zstream.avail_in > 0) { + ret = deflate(&s->zstream, Z_NO_FLUSH); + if (ret != Z_OK) + return -1; + if (s->zstream.avail_out == 0) { + ram_put_cblock(s, s->buf, IOBUF_SIZE); + s->zstream.avail_out = IOBUF_SIZE; + s->zstream.next_out = s->buf; + } + } + return 0; +} + +static void ram_compress_close(RamCompressState *s) +{ + int len, ret; + + /* compress last bytes */ + for(;;) { + ret = deflate(&s->zstream, Z_FINISH); + if (ret == Z_OK || ret == Z_STREAM_END) { + len = IOBUF_SIZE - s->zstream.avail_out; + if (len > 0) { + ram_put_cblock(s, s->buf, len); + } + s->zstream.avail_out = IOBUF_SIZE; + s->zstream.next_out = s->buf; + if (ret == Z_STREAM_END) + break; + } else { + goto fail; + } + } +fail: + deflateEnd(&s->zstream); +} + +typedef struct RamDecompressState { + z_stream zstream; + QEMUFile *f; + uint8_t buf[IOBUF_SIZE]; +} RamDecompressState; + +static int ram_decompress_open(RamDecompressState *s, QEMUFile *f) +{ + int ret; + memset(s, 0, sizeof(*s)); + s->f = f; + ret = inflateInit(&s->zstream); + if (ret != Z_OK) + return -1; + return 0; +} + +static int ram_decompress_buf(RamDecompressState *s, uint8_t *buf, int len) +{ + int ret, clen; + + s->zstream.avail_out = len; + s->zstream.next_out = buf; + while (s->zstream.avail_out > 0) { + if (s->zstream.avail_in == 0) { + if (qemu_get_be16(s->f) != RAM_CBLOCK_MAGIC) + return -1; + clen = qemu_get_be16(s->f); + if (clen > IOBUF_SIZE) + return -1; + qemu_get_buffer(s->f, s->buf, clen); + s->zstream.avail_in = clen; + s->zstream.next_in = s->buf; + } + ret = inflate(&s->zstream, Z_PARTIAL_FLUSH); + if (ret != Z_OK && ret != Z_STREAM_END) { + return -1; + } + } + return 0; +} + +static void ram_decompress_close(RamDecompressState *s) +{ + inflateEnd(&s->zstream); +} + +static void ram_save(QEMUFile *f, void *opaque) +{ + ram_addr_t i; + RamCompressState s1, *s = &s1; + uint8_t buf[10]; + + qemu_put_be32(f, phys_ram_size); + if (ram_compress_open(s, f) < 0) + return; + for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { +#if 0 + if (tight_savevm_enabled) { + int64_t sector_num; + int j; + + /* find if the memory block is available on a virtual + block device */ + sector_num = -1; + for(j = 0; j < nb_drives; j++) { + sector_num = bdrv_hash_find(drives_table[j].bdrv, + phys_ram_base + i, + BDRV_HASH_BLOCK_SIZE); + if (sector_num >= 0) + break; + } + if (j == nb_drives) + goto normal_compress; + buf[0] = 1; + buf[1] = j; + cpu_to_be64wu((uint64_t *)(buf + 2), sector_num); + ram_compress_buf(s, buf, 10); + } else +#endif + { + // normal_compress: + buf[0] = 0; + ram_compress_buf(s, buf, 1); + ram_compress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE); + } + } + ram_compress_close(s); +} + +static int ram_load(QEMUFile *f, void *opaque, int version_id) +{ + RamDecompressState s1, *s = &s1; + uint8_t buf[10]; + ram_addr_t i; + + if (version_id == 1) + return ram_load_v1(f, opaque); + if (version_id != 2) + return -EINVAL; + if (qemu_get_be32(f) != phys_ram_size) + return -EINVAL; + if (ram_decompress_open(s, f) < 0) + return -EINVAL; + for(i = 0; i < phys_ram_size; i+= BDRV_HASH_BLOCK_SIZE) { + if (ram_decompress_buf(s, buf, 1) < 0) { + fprintf(stderr, "Error while reading ram block header\n"); + goto error; + } + if (buf[0] == 0) { + if (ram_decompress_buf(s, phys_ram_base + i, BDRV_HASH_BLOCK_SIZE) < 0) { + fprintf(stderr, "Error while reading ram block address=0x%08" PRIx64, (uint64_t)i); + goto error; + } + } else +#if 0 + if (buf[0] == 1) { + int bs_index; + int64_t sector_num; + + ram_decompress_buf(s, buf + 1, 9); + bs_index = buf[1]; + sector_num = be64_to_cpupu((const uint64_t *)(buf + 2)); + if (bs_index >= nb_drives) { + fprintf(stderr, "Invalid block device index %d\n", bs_index); + goto error; + } + if (bdrv_read(drives_table[bs_index].bdrv, sector_num, + phys_ram_base + i, + BDRV_HASH_BLOCK_SIZE / 512) < 0) { + fprintf(stderr, "Error while reading sector %d:%" PRId64 "\n", + bs_index, sector_num); + goto error; + } + } else +#endif + { + error: + printf("Error block header\n"); + return -EINVAL; + } + } + ram_decompress_close(s); + return 0; +} + +/***********************************************************/ +/* bottom halves (can be seen as timers which expire ASAP) */ + +struct QEMUBH { + QEMUBHFunc *cb; + void *opaque; + int scheduled; + QEMUBH *next; +}; + +static QEMUBH *first_bh = NULL; + +QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque) +{ + QEMUBH *bh; + bh = qemu_mallocz(sizeof(QEMUBH)); + if (!bh) + return NULL; + bh->cb = cb; + bh->opaque = opaque; + return bh; +} + +int qemu_bh_poll(void) +{ + QEMUBH *bh, **pbh; + int ret; + + ret = 0; + for(;;) { + pbh = &first_bh; + bh = *pbh; + if (!bh) + break; + ret = 1; + *pbh = bh->next; + bh->scheduled = 0; + bh->cb(bh->opaque); + } + return ret; +} + +void qemu_bh_schedule(QEMUBH *bh) +{ + CPUState *env = cpu_single_env; + if (bh->scheduled) + return; + bh->scheduled = 1; + bh->next = first_bh; + first_bh = bh; + + /* stop the currently executing CPU to execute the BH ASAP */ + if (env) { + cpu_interrupt(env, CPU_INTERRUPT_EXIT); + } +} + +void qemu_bh_cancel(QEMUBH *bh) +{ + QEMUBH **pbh; + if (bh->scheduled) { + pbh = &first_bh; + while (*pbh != bh) + pbh = &(*pbh)->next; + *pbh = bh->next; + bh->scheduled = 0; + } +} + +void qemu_bh_delete(QEMUBH *bh) +{ + qemu_bh_cancel(bh); + qemu_free(bh); +} + +/***********************************************************/ +/* machine registration */ + +QEMUMachine *first_machine = NULL; + +int qemu_register_machine(QEMUMachine *m) +{ + QEMUMachine **pm; + pm = &first_machine; + while (*pm != NULL) + pm = &(*pm)->next; + m->next = NULL; + *pm = m; + return 0; +} + +static QEMUMachine *find_machine(const char *name) +{ + QEMUMachine *m; + + for(m = first_machine; m != NULL; m = m->next) { + if (!strcmp(m->name, name)) + return m; + } + return NULL; +} + +/***********************************************************/ +/* main execution loop */ + +static void gui_update(void *opaque) +{ + DisplayState *ds = opaque; + ds->dpy_refresh(ds); + qemu_mod_timer(ds->gui_timer, + (ds->gui_timer_interval ? + ds->gui_timer_interval : + GUI_REFRESH_INTERVAL) + + qemu_get_clock(rt_clock)); +} + +struct vm_change_state_entry { + VMChangeStateHandler *cb; + void *opaque; + LIST_ENTRY (vm_change_state_entry) entries; +}; + +static LIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; + +VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, + void *opaque) +{ + VMChangeStateEntry *e; + + e = qemu_mallocz(sizeof (*e)); + if (!e) + return NULL; + + e->cb = cb; + e->opaque = opaque; + LIST_INSERT_HEAD(&vm_change_state_head, e, entries); + return e; +} + +void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) +{ + LIST_REMOVE (e, entries); + qemu_free (e); +} + +static void vm_state_notify(int running) +{ + VMChangeStateEntry *e; + + for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { + e->cb(e->opaque, running); + } +} + +/* XXX: support several handlers */ +static VMStopHandler *vm_stop_cb; +static void *vm_stop_opaque; + +int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque) +{ + vm_stop_cb = cb; + vm_stop_opaque = opaque; + return 0; +} + +void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque) +{ + vm_stop_cb = NULL; +} + +void vm_start(void) +{ + if (!vm_running) { + cpu_enable_ticks(); + vm_running = 1; + vm_state_notify(1); + qemu_rearm_alarm_timer(alarm_timer); + } +} + +void vm_stop(int reason) +{ + if (vm_running) { + cpu_disable_ticks(); + vm_running = 0; + if (reason != 0) { + if (vm_stop_cb) { + vm_stop_cb(vm_stop_opaque, reason); + } + } + vm_state_notify(0); + } +} + +/* reset/shutdown handler */ + +typedef struct QEMUResetEntry { + QEMUResetHandler *func; + void *opaque; + struct QEMUResetEntry *next; +} QEMUResetEntry; + +static QEMUResetEntry *first_reset_entry; +static int reset_requested; +static int shutdown_requested; +static int powerdown_requested; + +int qemu_shutdown_requested(void) +{ + int r = shutdown_requested; + shutdown_requested = 0; + return r; +} + +int qemu_reset_requested(void) +{ + int r = reset_requested; + reset_requested = 0; + return r; +} + +int qemu_powerdown_requested(void) +{ + int r = powerdown_requested; + powerdown_requested = 0; + return r; +} + +void qemu_register_reset(QEMUResetHandler *func, void *opaque) +{ + QEMUResetEntry **pre, *re; + + pre = &first_reset_entry; + while (*pre != NULL) + pre = &(*pre)->next; + re = qemu_mallocz(sizeof(QEMUResetEntry)); + re->func = func; + re->opaque = opaque; + re->next = NULL; + *pre = re; +} + +void qemu_system_reset(void) +{ + QEMUResetEntry *re; + + /* reset all devices */ + for(re = first_reset_entry; re != NULL; re = re->next) { + re->func(re->opaque); + } +} + +void qemu_system_reset_request(void) +{ + if (no_reboot) { + shutdown_requested = 1; + } else { + reset_requested = 1; + } + if (cpu_single_env) + cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); +} + +#ifdef HAS_AUDIO +extern void AUD_cleanup(); +#endif + +void qemu_system_shutdown_request(void) +{ + shutdown_requested = 1; + if (cpu_single_env) + cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); +} + +void qemu_system_powerdown_request(void) +{ + powerdown_requested = 1; + if (cpu_single_env) + cpu_interrupt(cpu_single_env, CPU_INTERRUPT_EXIT); +} + +#define MAIN_LOOP_STATS 0 + +#if MAIN_LOOP_STATS +typedef struct { + int counter; + int64_t reset_time; // time when counter is reset + int64_t spent_time_total; // total time spent since last counter reset + int64_t spent_time_min; // minimum time spent in call + int64_t spent_time_max; // maximum time spent in call + int64_t wait_time_total; // total time spent waiting for select() +} MainLoopStats; + +static __inline__ int64_t +mainloopstats_now( void ) +{ + return qemu_get_clock( vm_clock ); +} + +static __inline__ double +mainloopstats_to_ms( int64_t duration ) +{ + return duration / 1000000.; +} + +static void +mainloopstats_reset( MainLoopStats* s ) +{ + int64_t now = qemu_get_clock( vm_clock ); + + s->counter = 0; + s->reset_time = now; + s->spent_time_total = 0; + s->wait_time_total = 0; + s->spent_time_min = INT_MAX; + s->spent_time_max = 0; +} + +static MainLoopStats main_loop_stats; +#endif /* MAIN_LOOP_STATS */ + +void main_loop_wait(int timeout) +{ + IOHandlerRecord *ioh; + fd_set rfds, wfds, xfds; + int ret, nfds; +#ifdef _WIN32 + int ret2, i; +#endif + struct timeval tv; + PollingEntry *pe; + +#if MAIN_LOOP_STATS + int64 time_before = mainloopstats_now(); + int64 time_after_select; +#endif + + /* XXX: need to suppress polling by better using win32 events */ + ret = 0; + for(pe = first_polling_entry; pe != NULL; pe = pe->next) { + ret |= pe->func(pe->opaque); + } +#ifdef _WIN32 + if (ret == 0) { + int err; + WaitObjects *w = &wait_objects; + + ret = WaitForMultipleObjects(w->num, w->events, FALSE, timeout); + if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) { + if (w->func[ret - WAIT_OBJECT_0]) + w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]); + + /* Check for additional signaled events */ + for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) { + + /* Check if event is signaled */ + ret2 = WaitForSingleObject(w->events[i], 0); + if(ret2 == WAIT_OBJECT_0) { + if (w->func[i]) + w->func[i](w->opaque[i]); + } else if (ret2 == WAIT_TIMEOUT) { + } else { + err = GetLastError(); + fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err); + } + } + } else if (ret == WAIT_TIMEOUT) { + } else { + err = GetLastError(); + fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err); + } + } +#endif + /* poll any events */ + /* XXX: separate device handlers from system ones */ + nfds = -1; + FD_ZERO(&rfds); + FD_ZERO(&wfds); + FD_ZERO(&xfds); + for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { + if (ioh->deleted) + continue; + if (ioh->fd_read && + (!ioh->fd_read_poll || + ioh->fd_read_poll(ioh->opaque) != 0)) { + FD_SET(ioh->fd, &rfds); + if (ioh->fd > nfds) + nfds = ioh->fd; + } + if (ioh->fd_write) { + FD_SET(ioh->fd, &wfds); + if (ioh->fd > nfds) + nfds = ioh->fd; + } + } + + tv.tv_sec = 0; +#ifdef _WIN32 + tv.tv_usec = 0; +#else + tv.tv_usec = timeout * 1000; +#endif +#if defined(CONFIG_SLIRP) + if (slirp_inited) { + slirp_select_fill(&nfds, &rfds, &wfds, &xfds); + } +#endif + ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); +#if MAIN_LOOP_STATS + time_after_select = mainloopstats_now(); +#endif + if (ret > 0) { + IOHandlerRecord **pioh; + + for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { + if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { + ioh->fd_read(ioh->opaque); + } + if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { + ioh->fd_write(ioh->opaque); + } + } + + /* remove deleted IO handlers */ + pioh = &first_io_handler; + while (*pioh) { + ioh = *pioh; + if (ioh->deleted) { + *pioh = ioh->next; + qemu_free(ioh); + } else + pioh = &ioh->next; + } + } +#if defined(CONFIG_SLIRP) + if (slirp_inited) { + if (ret < 0) { + FD_ZERO(&rfds); + FD_ZERO(&wfds); + FD_ZERO(&xfds); + } + slirp_select_poll(&rfds, &wfds, &xfds); + } +#endif + charpipe_poll(); + + if (vm_running) { + if (likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) + qemu_run_timers(&active_timers[QEMU_TIMER_VIRTUAL], + qemu_get_clock(vm_clock)); + /* run dma transfers, if any */ + DMA_run(); + } + + /* real time timers */ + qemu_run_timers(&active_timers[QEMU_TIMER_REALTIME], + qemu_get_clock(rt_clock)); + + if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { + alarm_timer->flags &= ~(ALARM_FLAG_EXPIRED); + qemu_rearm_alarm_timer(alarm_timer); + } + + /* Check bottom-halves last in case any of the earlier events triggered + them. */ + qemu_bh_poll(); + +#if MAIN_LOOP_STATS + { + MainLoopStats* s = &main_loop_stats; + int64_t time_after = mainloopstats_now(); + int64_t time_diff = time_after - time_before; + + s->spent_time_total += time_diff; + if (time_diff < s->spent_time_min) + s->spent_time_min = time_diff; + if (time_diff > s->spent_time_max) + s->spent_time_max = time_diff; + + time_diff = time_after_select - time_before; + s->wait_time_total += time_diff; + + if (++s->counter == 1000) { + double period = time_after - s->reset_time; + double average_spent = s->spent_time_total * 1. / s->counter; + double average_wait = s->wait_time_total * 1. / s->counter; + + printf( "main loop stats: iterations: %8ld, period: %10.2f ms, avg wait time: %10.2f ms (%.3f %%), avg exec time %10.2f ms (%.3f %%)\n", + s->counter, + mainloopstats_to_ms(period), + mainloopstats_to_ms(average_wait), + s->wait_time_total * 100. / period, + mainloopstats_to_ms(average_spent), + s->spent_time_total * 100. / period ); + + mainloopstats_reset( s ); + } + } +#endif /* MAIN_LOOP_STATS */ +} + +static int main_loop(void) +{ + int ret, timeout; +#ifdef CONFIG_PROFILER + int64_t ti; +#endif + CPUState *env; + + cur_cpu = first_cpu; + next_cpu = cur_cpu->next_cpu ?: first_cpu; + for(;;) { + if (vm_running) { + + for(;;) { + /* get next cpu */ + env = next_cpu; +#ifdef CONFIG_PROFILER + ti = profile_getclock(); +#endif + if (use_icount) { + int64_t count; + int decr; + qemu_icount -= (env->icount_decr.u16.low + env->icount_extra); + env->icount_decr.u16.low = 0; + env->icount_extra = 0; + count = qemu_next_deadline(); + count = (count + (1 << icount_time_shift) - 1) + >> icount_time_shift; + qemu_icount += count; + decr = (count > 0xffff) ? 0xffff : count; + count -= decr; + env->icount_decr.u16.low = decr; + env->icount_extra = count; + } + ret = cpu_exec(env); +#ifdef CONFIG_PROFILER + qemu_time += profile_getclock() - ti; +#endif + if (use_icount) { + /* Fold pending instructions back into the + instruction counter, and clear the interrupt flag. */ + qemu_icount -= (env->icount_decr.u16.low + + env->icount_extra); + env->icount_decr.u32 = 0; + env->icount_extra = 0; + } + next_cpu = env->next_cpu ?: first_cpu; + if (event_pending && likely(ret != EXCP_DEBUG)) { + ret = EXCP_INTERRUPT; + event_pending = 0; + break; + } + if (ret == EXCP_HLT) { + /* Give the next CPU a chance to run. */ + cur_cpu = env; + continue; + } + if (ret != EXCP_HALTED) + break; + /* all CPUs are halted ? */ + if (env == cur_cpu) + break; + } + cur_cpu = env; + +#ifdef CONFIG_TRACE + if (tbflush_requested) { + tbflush_requested = 0; + tb_flush(env); + ret = EXCP_INTERRUPT; + } else if (exit_requested) + goto ExitRequested; +#endif + + if (shutdown_requested) { + ret = EXCP_INTERRUPT; + if (no_shutdown) { + vm_stop(0); + no_shutdown = 0; + } + else + break; + } + if (reset_requested) { + reset_requested = 0; + qemu_system_reset(); + ret = EXCP_INTERRUPT; + } + if (powerdown_requested) { + powerdown_requested = 0; + qemu_system_powerdown(); + ret = EXCP_INTERRUPT; + } + if (unlikely(ret == EXCP_DEBUG)) { + vm_stop(EXCP_DEBUG); + } + /* If all cpus are halted then wait until the next IRQ */ + /* XXX: use timeout computed from timers */ + if (ret == EXCP_HALTED) { + if (use_icount) { + int64_t add; + int64_t delta; + /* Advance virtual time to the next event. */ + if (use_icount == 1) { + /* When not using an adaptive execution frequency + we tend to get badly out of sync with real time, + so just delay for a reasonable amount of time. */ + delta = 0; + } else { + delta = cpu_get_icount() - cpu_get_clock(); + } + if (delta > 0) { + /* If virtual time is ahead of real time then just + wait for IO. */ + timeout = (delta / 1000000) + 1; + } else { + /* Wait for either IO to occur or the next + timer event. */ + add = qemu_next_deadline(); + /* We advance the timer before checking for IO. + Limit the amount we advance so that early IO + activity won't get the guest too far ahead. */ + if (add > 10000000) + add = 10000000; + delta += add; + add = (add + (1 << icount_time_shift) - 1) + >> icount_time_shift; + qemu_icount += add; + timeout = delta / 1000000; + if (timeout < 0) + timeout = 0; + } + } else { + timeout = 10; + } + } else { + timeout = 0; + } + } else { + if (shutdown_requested) + break; + timeout = 10; + } +#ifdef CONFIG_PROFILER + ti = profile_getclock(); +#endif + main_loop_wait(timeout); +#ifdef CONFIG_PROFILER + dev_time += profile_getclock() - ti; +#endif + } + cpu_disable_ticks(); + return ret; + +#ifdef CONFIG_TRACE +ExitRequested: +# ifdef HAS_AUDIO + AUD_cleanup(); +# endif + exit(1); + return 0; +#endif +} + +void qemu_help(int exitcode) +{ + printf("QEMU PC emulator version " QEMU_VERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n" + "usage: %s [options] [disk_image]\n" + "\n" + "'disk_image' is a raw hard image image for IDE hard disk 0\n" + "\n" + "Standard options:\n" + "-M machine select emulated machine (-M ? for list)\n" + "-cpu cpu select CPU (-cpu ? for list)\n" + "-fda/-fdb file use 'file' as floppy disk 0/1 image\n" + "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" + "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" + "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" + "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n" + " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n" + " [,cache=on|off][,format=f]\n" + " use 'file' as a drive image\n" + "-mtdblock file use 'file' as on-board Flash memory image\n" + "-sd file use 'file' as SecureDigital card image\n" + "-pflash file use 'file' as a parallel flash image\n" + "-boot [a|c|d|n] boot on floppy (a), hard disk (c), CD-ROM (d), or network (n)\n" + "-snapshot write to temporary files instead of disk image files\n" +#ifdef CONFIG_SDL + "-no-frame open SDL window without a frame and window decorations\n" + "-alt-grab use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt)\n" + "-no-quit disable SDL window close capability\n" +#endif +#ifdef TARGET_I386 + "-no-fd-bootchk disable boot signature checking for floppy disks\n" +#endif + "-m megs set virtual RAM size to megs MB [default=%d]\n" + "-smp n set the number of CPUs to 'n' [default=1]\n" + "-nographic disable graphical output and redirect serial I/Os to console\n" + "-portrait rotate graphical output 90 deg left (only PXA LCD)\n" +#ifndef _WIN32 + "-k language use keyboard layout (for example \"fr\" for French)\n" +#endif +#ifdef HAS_AUDIO + "-audio-help print list of audio drivers and their options\n" + "-soundhw c1,... enable audio support\n" + " and only specified sound cards (comma separated list)\n" + " use -soundhw ? to get the list of supported cards\n" + " use -soundhw all to enable all of them\n" +#endif + "-localtime set the real time clock to local time [default=utc]\n" + "-full-screen start in full screen\n" +#ifdef TARGET_I386 + "-win2k-hack use it when installing Windows 2000 to avoid a disk full bug\n" +#endif + "-usb enable the USB driver (will be the default soon)\n" + "-usbdevice name add the host or guest USB device 'name'\n" +#if defined(TARGET_PPC) || defined(TARGET_SPARC) + "-g WxH[xDEPTH] Set the initial graphical resolution and depth\n" +#endif + "-name string set the name of the guest\n" + "\n" + "Network options:\n" + "-net nic[,vlan=n][,macaddr=addr][,model=type]\n" + " create a new Network Interface Card and connect it to VLAN 'n'\n" +#ifdef CONFIG_SLIRP + "-net user[,vlan=n][,hostname=host]\n" + " connect the user mode network stack to VLAN 'n' and send\n" + " hostname 'host' to DHCP clients\n" +#endif +#ifdef _WIN32 + "-net tap[,vlan=n],ifname=name\n" + " connect the host TAP network interface to VLAN 'n'\n" +#else + "-net tap[,vlan=n][,fd=h][,ifname=name][,script=file][,downscript=dfile]\n" + " connect the host TAP network interface to VLAN 'n' and use the\n" + " network scripts 'file' (default=%s)\n" + " and 'dfile' (default=%s);\n" + " use '[down]script=no' to disable script execution;\n" + " use 'fd=h' to connect to an already opened TAP interface\n" +#endif + "-net socket[,vlan=n][,fd=h][,listen=[host]:port][,connect=host:port]\n" + " connect the vlan 'n' to another VLAN using a socket connection\n" + "-net socket[,vlan=n][,fd=h][,mcast=maddr:port]\n" + " connect the vlan 'n' to multicast maddr and port\n" + "-net none use it alone to have zero network devices; if no -net option\n" + " is provided, the default is '-net nic -net user'\n" + "\n" +#ifdef CONFIG_SLIRP + "-tftp dir allow tftp access to files in dir [-net user]\n" + "-bootp file advertise file in BOOTP replies\n" +#ifndef _WIN32 + "-smb dir allow SMB access to files in 'dir' [-net user]\n" +#endif + "-redir [tcp|udp]:host-port:[guest-host]:guest-port\n" + " redirect TCP or UDP connections from host to guest [-net user]\n" +#endif + "\n" + "Linux boot specific:\n" + "-kernel bzImage use 'bzImage' as kernel image\n" + "-append cmdline use 'cmdline' as kernel command line\n" + "-initrd file use 'file' as initial ram disk\n" + "\n" + "Debug/Expert options:\n" + "-monitor dev redirect the monitor to char device 'dev'\n" + "-serial dev redirect the serial port to char device 'dev'\n" + "-parallel dev redirect the parallel port to char device 'dev'\n" + "-pidfile file Write PID to 'file'\n" + "-S freeze CPU at startup (use 'c' to start execution)\n" + "-s wait gdb connection to port\n" + "-p port set gdb connection port [default=%s]\n" + "-d item1,... output log to %s (use -d ? for a list of log items)\n" + "-hdachs c,h,s[,t] force hard disk 0 physical geometry and the optional BIOS\n" + " translation (t=none or lba) (usually qemu can guess them)\n" + "-L path set the directory for the BIOS, VGA BIOS and keymaps\n" +#ifdef USE_KQEMU + "-kernel-kqemu enable KQEMU full virtualization (default is user mode only)\n" + "-no-kqemu disable KQEMU kernel module usage\n" +#endif +#ifdef TARGET_I386 + "-std-vga simulate a standard VGA card with VESA Bochs Extensions\n" + " (default is CL-GD5446 PCI VGA)\n" + "-no-acpi disable ACPI\n" +#endif +#ifdef CONFIG_CURSES + "-curses use a curses/ncurses interface instead of SDL\n" +#endif + "-no-reboot exit instead of rebooting\n" + "-no-shutdown stop before shutdown\n" + "-loadvm [tag|id] start right away with a saved state (loadvm in monitor)\n" + "-vnc display start a VNC server on display\n" +#ifdef CONFIG_TRACE + "-trace file create an execution trace in 'file' (implies -tracing on)\n" + "-tracing off start with tracing off\n" + "-trace_miss include tracing of cache miss addresses\n" + "-trace_addr include tracing of all load/store addresses\n" + "-dcache_load_miss cycles\n" + " set the dcache load miss penalty to 'cycles'\n" + "-dcache_store_miss cycles\n" + " set the dcache store miss penalty to 'cycles'\n" +#endif +#ifdef CONFIG_NAND + "-nand name[,readonly][,size=size][,pagesize=size][,extrasize=size][,erasepages=pages][,initfile=file][,file=file]" +#endif +#ifndef _WIN32 + "-daemonize daemonize QEMU after initializing\n" +#endif + "-option-rom rom load a file, rom, into the option ROM space\n" +#ifdef TARGET_SPARC + "-prom-env variable=value set OpenBIOS nvram variables\n" +#endif + "-clock force the use of the given methods for timer alarm.\n" + " To see what timers are available use -clock ?\n" + "-startdate select initial date of the clock\n" + "-icount [N|auto]\n" + " Enable virtual instruction counter with 2^N clock ticks per instruction\n" + "\n" + "During emulation, the following keys are useful:\n" + "ctrl-alt-f toggle full screen\n" + "ctrl-alt-n switch to virtual console 'n'\n" + "ctrl-alt toggle mouse and keyboard grab\n" + "\n" + "When using -nographic, press 'ctrl-a h' to get some help.\n" + , + "qemu", + DEFAULT_RAM_SIZE, +#ifndef _WIN32 + DEFAULT_NETWORK_SCRIPT, + DEFAULT_NETWORK_DOWN_SCRIPT, +#endif + DEFAULT_GDBSTUB_PORT, + "/tmp/qemu.log"); + exit(exitcode); +} + +#define HAS_ARG 0x0001 + +enum { + QEMU_OPTION_h, + + QEMU_OPTION_M, + QEMU_OPTION_cpu, + QEMU_OPTION_fda, + QEMU_OPTION_fdb, + QEMU_OPTION_hda, + QEMU_OPTION_hdb, + QEMU_OPTION_hdc, + QEMU_OPTION_hdd, + QEMU_OPTION_drive, + QEMU_OPTION_cdrom, + QEMU_OPTION_mtdblock, + QEMU_OPTION_sd, + QEMU_OPTION_pflash, + QEMU_OPTION_boot, + QEMU_OPTION_snapshot, +#ifdef TARGET_I386 + QEMU_OPTION_no_fd_bootchk, +#endif + QEMU_OPTION_m, + QEMU_OPTION_nographic, + QEMU_OPTION_portrait, +#ifdef HAS_AUDIO + QEMU_OPTION_audio_help, + QEMU_OPTION_soundhw, +#endif + + QEMU_OPTION_net, + QEMU_OPTION_tftp, + QEMU_OPTION_bootp, + QEMU_OPTION_smb, + QEMU_OPTION_redir, + + QEMU_OPTION_kernel, + QEMU_OPTION_append, + QEMU_OPTION_initrd, + + QEMU_OPTION_S, + QEMU_OPTION_s, + QEMU_OPTION_p, + QEMU_OPTION_d, + QEMU_OPTION_hdachs, + QEMU_OPTION_L, + QEMU_OPTION_bios, + QEMU_OPTION_k, + QEMU_OPTION_localtime, + QEMU_OPTION_cirrusvga, + QEMU_OPTION_vmsvga, + QEMU_OPTION_g, + QEMU_OPTION_std_vga, + QEMU_OPTION_echr, + QEMU_OPTION_monitor, + QEMU_OPTION_serial, + QEMU_OPTION_parallel, + QEMU_OPTION_loadvm, + QEMU_OPTION_full_screen, + QEMU_OPTION_no_frame, + QEMU_OPTION_alt_grab, + QEMU_OPTION_no_quit, + QEMU_OPTION_pidfile, + QEMU_OPTION_no_kqemu, + QEMU_OPTION_kernel_kqemu, + QEMU_OPTION_win2k_hack, + QEMU_OPTION_usb, + QEMU_OPTION_usbdevice, + QEMU_OPTION_smp, + QEMU_OPTION_vnc, + QEMU_OPTION_no_acpi, + QEMU_OPTION_curses, + QEMU_OPTION_no_reboot, + QEMU_OPTION_no_shutdown, + QEMU_OPTION_show_cursor, + QEMU_OPTION_daemonize, + QEMU_OPTION_option_rom, + QEMU_OPTION_semihosting, + QEMU_OPTION_name, + QEMU_OPTION_prom_env, + QEMU_OPTION_old_param, + QEMU_OPTION_noaudio, + QEMU_OPTION_mic, +#ifdef CONFIG_TRACE + QEMU_OPTION_trace_file, + QEMU_OPTION_tracing, + QEMU_OPTION_trace_miss, + QEMU_OPTION_trace_addr, + QEMU_OPTION_dcache_load_miss, + QEMU_OPTION_dcache_store_miss, +#endif +#ifdef CONFIG_NAND + QEMU_OPTION_nand, +#endif + QEMU_OPTION_clock, + QEMU_OPTION_startdate, + QEMU_OPTION_tb_size, + QEMU_OPTION_icount, +}; + +typedef struct QEMUOption { + const char *name; + int flags; + int index; +} QEMUOption; + +const QEMUOption qemu_options[] = { + { "h", 0, QEMU_OPTION_h }, + { "help", 0, QEMU_OPTION_h }, + + { "M", HAS_ARG, QEMU_OPTION_M }, + { "cpu", HAS_ARG, QEMU_OPTION_cpu }, + { "fda", HAS_ARG, QEMU_OPTION_fda }, + { "fdb", HAS_ARG, QEMU_OPTION_fdb }, + { "hda", HAS_ARG, QEMU_OPTION_hda }, + { "hdb", HAS_ARG, QEMU_OPTION_hdb }, + { "hdc", HAS_ARG, QEMU_OPTION_hdc }, + { "hdd", HAS_ARG, QEMU_OPTION_hdd }, + { "drive", HAS_ARG, QEMU_OPTION_drive }, + { "cdrom", HAS_ARG, QEMU_OPTION_cdrom }, + { "mtdblock", HAS_ARG, QEMU_OPTION_mtdblock }, + { "sd", HAS_ARG, QEMU_OPTION_sd }, + { "pflash", HAS_ARG, QEMU_OPTION_pflash }, + { "boot", HAS_ARG, QEMU_OPTION_boot }, + { "snapshot", 0, QEMU_OPTION_snapshot }, +#ifdef TARGET_I386 + { "no-fd-bootchk", 0, QEMU_OPTION_no_fd_bootchk }, +#endif + { "m", HAS_ARG, QEMU_OPTION_m }, + { "nographic", 0, QEMU_OPTION_nographic }, + { "portrait", 0, QEMU_OPTION_portrait }, + { "k", HAS_ARG, QEMU_OPTION_k }, +#ifdef HAS_AUDIO + { "audio-help", 0, QEMU_OPTION_audio_help }, + { "soundhw", HAS_ARG, QEMU_OPTION_soundhw }, +#endif + + { "net", HAS_ARG, QEMU_OPTION_net}, +#ifdef CONFIG_SLIRP + { "tftp", HAS_ARG, QEMU_OPTION_tftp }, + { "bootp", HAS_ARG, QEMU_OPTION_bootp }, +#ifndef _WIN32 + { "smb", HAS_ARG, QEMU_OPTION_smb }, +#endif + { "redir", HAS_ARG, QEMU_OPTION_redir }, +#endif + + { "kernel", HAS_ARG, QEMU_OPTION_kernel }, + { "append", HAS_ARG, QEMU_OPTION_append }, + { "initrd", HAS_ARG, QEMU_OPTION_initrd }, + + { "S", 0, QEMU_OPTION_S }, + { "s", 0, QEMU_OPTION_s }, + { "p", HAS_ARG, QEMU_OPTION_p }, + { "d", HAS_ARG, QEMU_OPTION_d }, + { "hdachs", HAS_ARG, QEMU_OPTION_hdachs }, + { "L", HAS_ARG, QEMU_OPTION_L }, + { "bios", HAS_ARG, QEMU_OPTION_bios }, +#ifdef USE_KQEMU + { "no-kqemu", 0, QEMU_OPTION_no_kqemu }, + { "kernel-kqemu", 0, QEMU_OPTION_kernel_kqemu }, +#endif +#if defined(TARGET_PPC) || defined(TARGET_SPARC) + { "g", HAS_ARG, QEMU_OPTION_g }, +#endif + { "localtime", 0, QEMU_OPTION_localtime }, + { "std-vga", 0, QEMU_OPTION_std_vga }, + { "echr", HAS_ARG, QEMU_OPTION_echr }, + { "monitor", HAS_ARG, QEMU_OPTION_monitor }, + { "serial", HAS_ARG, QEMU_OPTION_serial }, + { "parallel", HAS_ARG, QEMU_OPTION_parallel }, + { "loadvm", HAS_ARG, QEMU_OPTION_loadvm }, + { "full-screen", 0, QEMU_OPTION_full_screen }, +#ifdef CONFIG_SDL + { "no-frame", 0, QEMU_OPTION_no_frame }, + { "alt-grab", 0, QEMU_OPTION_alt_grab }, + { "no-quit", 0, QEMU_OPTION_no_quit }, +#endif + { "pidfile", HAS_ARG, QEMU_OPTION_pidfile }, + { "win2k-hack", 0, QEMU_OPTION_win2k_hack }, + { "usbdevice", HAS_ARG, QEMU_OPTION_usbdevice }, + { "smp", HAS_ARG, QEMU_OPTION_smp }, + { "vnc", HAS_ARG, QEMU_OPTION_vnc }, +#ifdef CONFIG_CURSES + { "curses", 0, QEMU_OPTION_curses }, +#endif + + /* temporary options */ + { "usb", 0, QEMU_OPTION_usb }, + { "cirrusvga", 0, QEMU_OPTION_cirrusvga }, + { "vmwarevga", 0, QEMU_OPTION_vmsvga }, + { "no-acpi", 0, QEMU_OPTION_no_acpi }, + { "no-reboot", 0, QEMU_OPTION_no_reboot }, + { "no-shutdown", 0, QEMU_OPTION_no_shutdown }, + { "show-cursor", 0, QEMU_OPTION_show_cursor }, + { "daemonize", 0, QEMU_OPTION_daemonize }, + { "option-rom", HAS_ARG, QEMU_OPTION_option_rom }, +#if defined(TARGET_ARM) || defined(TARGET_M68K) + { "semihosting", 0, QEMU_OPTION_semihosting }, +#endif + { "name", HAS_ARG, QEMU_OPTION_name }, +#if defined(TARGET_SPARC) + { "prom-env", HAS_ARG, QEMU_OPTION_prom_env }, +#endif +#if defined(TARGET_ARM) + { "old-param", 0, QEMU_OPTION_old_param }, +#endif + + /* android stuff */ + { "noaudio", 0, QEMU_OPTION_noaudio }, + { "mic", HAS_ARG, QEMU_OPTION_mic }, +#ifdef CONFIG_TRACE + { "trace", HAS_ARG, QEMU_OPTION_trace_file }, + { "tracing", HAS_ARG, QEMU_OPTION_tracing }, + { "trace_miss", 0, QEMU_OPTION_trace_miss }, + { "trace_addr", 0, QEMU_OPTION_trace_addr }, + { "dcache_load_miss", HAS_ARG, QEMU_OPTION_dcache_load_miss }, + { "dcache_store_miss", HAS_ARG, QEMU_OPTION_dcache_store_miss }, +#endif +#ifdef CONFIG_NAND + { "nand", HAS_ARG, QEMU_OPTION_nand }, +#endif + { "clock", HAS_ARG, QEMU_OPTION_clock }, + { NULL, 0, 0 }, +}; + +/* password input */ + +int qemu_key_check(BlockDriverState *bs, const char *name) +{ + char password[256]; + int i; + + if (!bdrv_is_encrypted(bs)) + return 0; + + term_printf("%s is encrypted.\n", name); + for(i = 0; i < 3; i++) { + monitor_readline("Password: ", 1, password, sizeof(password)); + if (bdrv_set_key(bs, password) == 0) + return 0; + term_printf("invalid password\n"); + } + return -EPERM; +} + +static BlockDriverState *get_bdrv(int index) +{ + if (index > nb_drives) + return NULL; + return drives_table[index].bdrv; +} + +static void read_passwords(void) +{ + BlockDriverState *bs; + int i; + + for(i = 0; i < 6; i++) { + bs = get_bdrv(i); + if (bs) + qemu_key_check(bs, bdrv_get_device_name(bs)); + } +} + +#ifdef HAS_AUDIO +struct soundhw soundhw[] = { +#if 0 /* ANDROID */ +#ifdef TARGET_I386 + { + "pcspk", + "PC speaker", + 0, + 1, + { .init_isa = pcspk_audio_init } + }, +#endif + { + "sb16", + "Creative Sound Blaster 16", + 0, + 1, + { .init_isa = SB16_init } + }, + +#ifdef CONFIG_CS4231A + { + "cs4231a", + "CS4231A", + 0, + 1, + { .init_isa = cs4231a_init } + }, +#endif + +#ifdef CONFIG_ADLIB + { + "adlib", +#ifdef HAS_YMF262 + "Yamaha YMF262 (OPL3)", +#else + "Yamaha YM3812 (OPL2)", +#endif + 0, + 1, + { .init_isa = Adlib_init } + }, +#endif + +#ifdef CONFIG_GUS + { + "gus", + "Gravis Ultrasound GF1", + 0, + 1, + { .init_isa = GUS_init } + }, +#endif + +#ifdef CONFIG_AC97 + { + "ac97", + "Intel 82801AA AC97 Audio", + 0, + 0, + { .init_pci = ac97_init } + }, +#endif + + { + "es1370", + "ENSONIQ AudioPCI ES1370", + 0, + 0, + { .init_pci = es1370_init } + }, +#endif /* ANDROID */ + + { NULL, NULL, 0, 0, { NULL } } +}; + +static void select_soundhw (const char *optarg) +{ + struct soundhw *c; + + if (*optarg == '?') { + show_valid_cards: + + printf ("Valid sound card names (comma separated):\n"); + for (c = soundhw; c->name; ++c) { + printf ("%-11s %s\n", c->name, c->descr); + } + printf ("\n-soundhw all will enable all of the above\n"); + exit (*optarg != '?'); + } + else { + size_t l; + const char *p; + char *e; + int bad_card = 0; + + if (!strcmp (optarg, "all")) { + for (c = soundhw; c->name; ++c) { + c->enabled = 1; + } + return; + } + + p = optarg; + while (*p) { + e = strchr (p, ','); + l = !e ? strlen (p) : (size_t) (e - p); + + for (c = soundhw; c->name; ++c) { + if (!strncmp (c->name, p, l)) { + c->enabled = 1; + break; + } + } + + if (!c->name) { + if (l > 80) { + fprintf (stderr, + "Unknown sound card name (too big to show)\n"); + } + else { + fprintf (stderr, "Unknown sound card name `%.*s'\n", + (int) l, p); + } + bad_card = 1; + } + p += l + (e != NULL); + } + + if (bad_card) + goto show_valid_cards; + } +} +#endif + +#ifdef _WIN32 +static BOOL WINAPI qemu_ctrl_handler(DWORD type) +{ + exit(STATUS_CONTROL_C_EXIT); + return TRUE; +} +#endif + +#define MAX_NET_CLIENTS 32 + +#ifndef _WIN32 + +static void termsig_handler(int signal) +{ + qemu_system_shutdown_request(); +} + +static void termsig_setup(void) +{ + struct sigaction act; + + memset(&act, 0, sizeof(act)); + act.sa_handler = termsig_handler; + sigaction(SIGINT, &act, NULL); + sigaction(SIGHUP, &act, NULL); + sigaction(SIGTERM, &act, NULL); +} + +#endif + +int main(int argc, char **argv) +{ +#ifdef CONFIG_GDBSTUB + int use_gdbstub; + const char *gdbstub_port; +#endif + uint32_t boot_devices_bitmap = 0; + int i; + int snapshot, linux_boot, net_boot; + const char *initrd_filename; + const char *kernel_filename, *kernel_cmdline; + const char *boot_devices = ""; + DisplayState *ds = &display_state; + int cyls, heads, secs, translation; + const char *net_clients[MAX_NET_CLIENTS]; + int nb_net_clients; + int hda_index; + int optind; + const char *r, *optarg; + CharDriverState *monitor_hd; + const char *monitor_device; + const char *serial_devices[MAX_SERIAL_PORTS]; + int serial_device_index; + const char *parallel_devices[MAX_PARALLEL_PORTS]; + int parallel_device_index; + const char *loadvm = NULL; + QEMUMachine *machine; + const char *cpu_model; + const char *usb_devices[MAX_USB_CMDLINE]; + int usb_devices_index; + int fds[2]; + int tb_size; + const char *pid_file = NULL; + VLANState *vlan; + + LIST_INIT (&vm_change_state_head); +#ifndef _WIN32 + { + struct sigaction act; + sigfillset(&act.sa_mask); + act.sa_flags = 0; + act.sa_handler = SIG_IGN; + sigaction(SIGPIPE, &act, NULL); + } +#else + SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); + /* Note: cpu_interrupt() is currently not SMP safe, so we force + QEMU to run on a single CPU */ + { + HANDLE h; + DWORD mask, smask; + int i; + h = GetCurrentProcess(); + if (GetProcessAffinityMask(h, &mask, &smask)) { + for(i = 0; i < 32; i++) { + if (mask & (1 << i)) + break; + } + if (i != 32) { + mask = 1 << i; + SetProcessAffinityMask(h, mask); + } + } + } +#endif + + register_machines(); + machine = first_machine; + cpu_model = NULL; + initrd_filename = NULL; + ram_size = 0; + vga_ram_size = VGA_RAM_SIZE; +#ifdef CONFIG_GDBSTUB + use_gdbstub = 0; + gdbstub_port = DEFAULT_GDBSTUB_PORT; +#endif + snapshot = 0; + nographic = 0; + curses = 0; + kernel_filename = NULL; + kernel_cmdline = ""; + cyls = heads = secs = 0; + translation = BIOS_ATA_TRANSLATION_AUTO; + monitor_device = "vc"; + + serial_devices[0] = "vc:80Cx24C"; + for(i = 1; i < MAX_SERIAL_PORTS; i++) + serial_devices[i] = NULL; + serial_device_index = 0; + + parallel_devices[0] = "vc:640x480"; + for(i = 1; i < MAX_PARALLEL_PORTS; i++) + parallel_devices[i] = NULL; + parallel_device_index = 0; + + usb_devices_index = 0; + + nb_net_clients = 0; + nb_drives = 0; + nb_drives_opt = 0; + hda_index = -1; + + nb_nics = 0; + + tb_size = 0; + android_audio_enabled = 1; + + optind = 1; + for(;;) { + if (optind >= argc) + break; + r = argv[optind]; + if (r[0] != '-') { + hda_index = drive_add(argv[optind++], HD_ALIAS, 0); + } else { + const QEMUOption *popt; + + optind++; + /* Treat --foo the same as -foo. */ + if (r[1] == '-') + r++; + popt = qemu_options; + for(;;) { + if (!popt->name) { + fprintf(stderr, "%s: invalid option -- '%s'\n", + argv[0], r); + exit(1); + } + if (!strcmp(popt->name, r + 1)) + break; + popt++; + } + if (popt->flags & HAS_ARG) { + if (optind >= argc) { + fprintf(stderr, "%s: option '%s' requires an argument\n", + argv[0], r); + exit(1); + } + optarg = argv[optind++]; + } else { + optarg = NULL; + } + + switch(popt->index) { + case QEMU_OPTION_M: + machine = find_machine(optarg); + if (!machine) { + QEMUMachine *m; + printf("Supported machines are:\n"); + for(m = first_machine; m != NULL; m = m->next) { + printf("%-10s %s%s\n", + m->name, m->desc, + m == first_machine ? " (default)" : ""); + } + exit(*optarg != '?'); + } + break; + case QEMU_OPTION_cpu: + /* hw initialization will check this */ + if (*optarg == '?') { +/* XXX: implement xxx_cpu_list for targets that still miss it */ +#if defined(cpu_list) + cpu_list(stdout, &fprintf); +#endif + exit(0); + } else { + cpu_model = optarg; + } + break; + case QEMU_OPTION_initrd: + initrd_filename = optarg; + break; + case QEMU_OPTION_hda: + if (cyls == 0) + hda_index = drive_add(optarg, HD_ALIAS, 0); + else + hda_index = drive_add(optarg, HD_ALIAS + ",cyls=%d,heads=%d,secs=%d%s", + 0, cyls, heads, secs, + translation == BIOS_ATA_TRANSLATION_LBA ? + ",trans=lba" : + translation == BIOS_ATA_TRANSLATION_NONE ? + ",trans=none" : ""); + break; + case QEMU_OPTION_hdb: + case QEMU_OPTION_hdc: + case QEMU_OPTION_hdd: + drive_add(optarg, HD_ALIAS, popt->index - QEMU_OPTION_hda); + break; + case QEMU_OPTION_drive: + drive_add(NULL, "%s", optarg); + break; + case QEMU_OPTION_mtdblock: + drive_add(optarg, MTD_ALIAS); + break; + case QEMU_OPTION_sd: + drive_add(optarg, SD_ALIAS); + break; + case QEMU_OPTION_pflash: + drive_add(optarg, PFLASH_ALIAS); + break; + case QEMU_OPTION_snapshot: + snapshot = 1; + break; + case QEMU_OPTION_hdachs: + { + const char *p; + p = optarg; + cyls = strtol(p, (char **)&p, 0); + if (cyls < 1 || cyls > 16383) + goto chs_fail; + if (*p != ',') + goto chs_fail; + p++; + heads = strtol(p, (char **)&p, 0); + if (heads < 1 || heads > 16) + goto chs_fail; + if (*p != ',') + goto chs_fail; + p++; + secs = strtol(p, (char **)&p, 0); + if (secs < 1 || secs > 63) + goto chs_fail; + if (*p == ',') { + p++; + if (!strcmp(p, "none")) + translation = BIOS_ATA_TRANSLATION_NONE; + else if (!strcmp(p, "lba")) + translation = BIOS_ATA_TRANSLATION_LBA; + else if (!strcmp(p, "auto")) + translation = BIOS_ATA_TRANSLATION_AUTO; + else + goto chs_fail; + } else if (*p != '\0') { + chs_fail: + fprintf(stderr, "qemu: invalid physical CHS format\n"); + exit(1); + } + if (hda_index != -1) + snprintf(drives_opt[hda_index].opt, + sizeof(drives_opt[hda_index].opt), + HD_ALIAS ",cyls=%d,heads=%d,secs=%d%s", + 0, cyls, heads, secs, + translation == BIOS_ATA_TRANSLATION_LBA ? + ",trans=lba" : + translation == BIOS_ATA_TRANSLATION_NONE ? + ",trans=none" : ""); + } + break; + case QEMU_OPTION_nographic: + nographic = 1; + break; +#ifdef CONFIG_CURSES + case QEMU_OPTION_curses: + curses = 1; + break; +#endif + case QEMU_OPTION_portrait: + graphic_rotate = 1; + break; + case QEMU_OPTION_kernel: + kernel_filename = optarg; + break; + case QEMU_OPTION_append: + kernel_cmdline = optarg; + break; + case QEMU_OPTION_cdrom: + drive_add(optarg, CDROM_ALIAS); + break; + case QEMU_OPTION_boot: + boot_devices = optarg; + /* We just do some generic consistency checks */ + { + /* Could easily be extended to 64 devices if needed */ + const char *p; + + boot_devices_bitmap = 0; + for (p = boot_devices; *p != '\0'; p++) { + /* Allowed boot devices are: + * a b : floppy disk drives + * c ... f : IDE disk drives + * g ... m : machine implementation dependant drives + * n ... p : network devices + * It's up to each machine implementation to check + * if the given boot devices match the actual hardware + * implementation and firmware features. + */ + if (*p < 'a' || *p > 'q') { + fprintf(stderr, "Invalid boot device '%c'\n", *p); + exit(1); + } + if (boot_devices_bitmap & (1 << (*p - 'a'))) { + fprintf(stderr, + "Boot device '%c' was given twice\n",*p); + exit(1); + } + boot_devices_bitmap |= 1 << (*p - 'a'); + } + } + break; + case QEMU_OPTION_fda: + case QEMU_OPTION_fdb: + drive_add(optarg, FD_ALIAS, popt->index - QEMU_OPTION_fda); + break; +#ifdef TARGET_I386 + case QEMU_OPTION_no_fd_bootchk: + fd_bootchk = 0; + break; +#endif + case QEMU_OPTION_net: + if (nb_net_clients >= MAX_NET_CLIENTS) { + fprintf(stderr, "qemu: too many network clients\n"); + exit(1); + } + net_clients[nb_net_clients] = optarg; + nb_net_clients++; + break; +#ifdef CONFIG_SLIRP + case QEMU_OPTION_tftp: + tftp_prefix = optarg; + break; + case QEMU_OPTION_bootp: + bootp_filename = optarg; + break; +#if 0 /* ANDROID disabled */ + case QEMU_OPTION_smb: + net_slirp_smb(optarg); + break; +#endif + case QEMU_OPTION_redir: + net_slirp_redir(optarg); + break; +#endif +#ifdef HAS_AUDIO + case QEMU_OPTION_audio_help: + AUD_help (); + exit (0); + break; + case QEMU_OPTION_soundhw: + select_soundhw (optarg); + break; +#endif + case QEMU_OPTION_h: + qemu_help(0); + break; + case QEMU_OPTION_m: { + uint64_t value; + char *ptr; + + value = strtoul(optarg, &ptr, 10); + switch (*ptr) { + case 0: case 'M': case 'm': + value <<= 20; + break; + case 'G': case 'g': + value <<= 30; + break; + default: + fprintf(stderr, "qemu: invalid ram size: %s\n", optarg); + exit(1); + } + + /* On 32-bit hosts, QEMU is limited by virtual address space */ + if (value > (2047 << 20) +#ifndef USE_KQEMU + && HOST_LONG_BITS == 32 +#endif + ) { + fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); + exit(1); + } + if (value != (uint64_t)(ram_addr_t)value) { + fprintf(stderr, "qemu: ram size too large\n"); + exit(1); + } + ram_size = value; + break; + } + case QEMU_OPTION_d: + { + int mask; + CPULogItem *item; + + mask = cpu_str_to_log_mask(optarg); + if (!mask) { + printf("Log items (comma separated):\n"); + for(item = cpu_log_items; item->mask != 0; item++) { + printf("%-10s %s\n", item->name, item->help); + } + exit(1); + } + cpu_set_log(mask); + } + break; +#ifdef CONFIG_GDBSTUB + case QEMU_OPTION_s: + use_gdbstub = 1; + break; + case QEMU_OPTION_p: + gdbstub_port = optarg; + break; +#endif + case QEMU_OPTION_L: + bios_dir = optarg; + break; + case QEMU_OPTION_S: +#if 1 /* ANDROID */ + fprintf(stderr, "Sorry, stopped launch is not supported in the Android emulator\n" ); + exit(1); +#else + autostart = 0; + break; +#endif + case QEMU_OPTION_k: + keyboard_layout = optarg; + break; + case QEMU_OPTION_localtime: + rtc_utc = 0; + break; + case QEMU_OPTION_cirrusvga: + cirrus_vga_enabled = 1; + vmsvga_enabled = 0; + break; + case QEMU_OPTION_vmsvga: + cirrus_vga_enabled = 0; + vmsvga_enabled = 1; + break; + case QEMU_OPTION_std_vga: + cirrus_vga_enabled = 0; + vmsvga_enabled = 0; + break; + case QEMU_OPTION_g: + { + const char *p; + int w, h, depth; + p = optarg; + w = strtol(p, (char **)&p, 10); + if (w <= 0) { + graphic_error: + fprintf(stderr, "qemu: invalid resolution or depth\n"); + exit(1); + } + if (*p != 'x') + goto graphic_error; + p++; + h = strtol(p, (char **)&p, 10); + if (h <= 0) + goto graphic_error; + if (*p == 'x') { + p++; + depth = strtol(p, (char **)&p, 10); + if (depth != 8 && depth != 15 && depth != 16 && + depth != 24 && depth != 32) + goto graphic_error; + } else if (*p == '\0') { + depth = graphic_depth; + } else { + goto graphic_error; + } + + graphic_width = w; + graphic_height = h; + graphic_depth = depth; + } + break; + case QEMU_OPTION_echr: + { + char *r; + term_escape_char = strtol(optarg, &r, 0); + if (r == optarg) + printf("Bad argument to echr\n"); + break; + } + case QEMU_OPTION_monitor: + monitor_device = optarg; + break; + case QEMU_OPTION_serial: + if (serial_device_index >= MAX_SERIAL_PORTS) { + fprintf(stderr, "qemu: too many serial ports\n"); + exit(1); + } + serial_devices[serial_device_index] = optarg; + serial_device_index++; + break; + case QEMU_OPTION_parallel: + if (parallel_device_index >= MAX_PARALLEL_PORTS) { + fprintf(stderr, "qemu: too many parallel ports\n"); + exit(1); + } + parallel_devices[parallel_device_index] = optarg; + parallel_device_index++; + break; + case QEMU_OPTION_loadvm: + loadvm = optarg; + break; + case QEMU_OPTION_full_screen: + full_screen = 1; + break; +#ifdef CONFIG_SDL + case QEMU_OPTION_no_frame: + no_frame = 1; + break; + case QEMU_OPTION_alt_grab: + alt_grab = 1; + break; + case QEMU_OPTION_no_quit: + no_quit = 1; + break; +#endif + case QEMU_OPTION_pidfile: + pid_file = optarg; + break; +#ifdef TARGET_I386 + case QEMU_OPTION_win2k_hack: + win2k_install_hack = 1; + break; +#endif +#ifdef USE_KQEMU + case QEMU_OPTION_no_kqemu: + kqemu_allowed = 0; + break; + case QEMU_OPTION_kernel_kqemu: + kqemu_allowed = 2; + break; +#endif + case QEMU_OPTION_usb: + usb_enabled = 1; + break; + case QEMU_OPTION_usbdevice: + usb_enabled = 1; + if (usb_devices_index >= MAX_USB_CMDLINE) { + fprintf(stderr, "Too many USB devices\n"); + exit(1); + } + usb_devices[usb_devices_index] = optarg; + usb_devices_index++; + break; + case QEMU_OPTION_smp: + smp_cpus = atoi(optarg); + if (smp_cpus < 1 || smp_cpus > MAX_CPUS) { + fprintf(stderr, "Invalid number of CPUs\n"); + exit(1); + } + break; + case QEMU_OPTION_vnc: + vnc_display = optarg; + break; + case QEMU_OPTION_no_acpi: + acpi_enabled = 0; + break; + case QEMU_OPTION_no_reboot: + no_reboot = 1; + break; + case QEMU_OPTION_no_shutdown: + no_shutdown = 1; + break; + case QEMU_OPTION_show_cursor: + cursor_hide = 0; + break; + case QEMU_OPTION_daemonize: + daemonize = 1; + break; + case QEMU_OPTION_option_rom: + if (nb_option_roms >= MAX_OPTION_ROMS) { + fprintf(stderr, "Too many option ROMs\n"); + exit(1); + } + option_rom[nb_option_roms] = optarg; + nb_option_roms++; + break; + case QEMU_OPTION_semihosting: + semihosting_enabled = 1; + break; + case QEMU_OPTION_name: + qemu_name = optarg; + break; +#ifdef TARGET_SPARC + case QEMU_OPTION_prom_env: + if (nb_prom_envs >= MAX_PROM_ENVS) { + fprintf(stderr, "Too many prom variables\n"); + exit(1); + } + prom_envs[nb_prom_envs] = optarg; + nb_prom_envs++; + break; +#endif +#ifdef TARGET_ARM + case QEMU_OPTION_old_param: + old_param = 1; + break; +#endif + case QEMU_OPTION_clock: + configure_alarms(optarg); + break; + case QEMU_OPTION_startdate: + { + struct tm tm; + time_t rtc_start_date; + if (!strcmp(optarg, "now")) { + rtc_date_offset = -1; + } else { + if (sscanf(optarg, "%d-%d-%dT%d:%d:%d", + &tm.tm_year, + &tm.tm_mon, + &tm.tm_mday, + &tm.tm_hour, + &tm.tm_min, + &tm.tm_sec) == 6) { + /* OK */ + } else if (sscanf(optarg, "%d-%d-%d", + &tm.tm_year, + &tm.tm_mon, + &tm.tm_mday) == 3) { + tm.tm_hour = 0; + tm.tm_min = 0; + tm.tm_sec = 0; + } else { + goto date_fail; + } + tm.tm_year -= 1900; + tm.tm_mon--; + rtc_start_date = mktimegm(&tm); + if (rtc_start_date == -1) { + date_fail: + fprintf(stderr, "Invalid date format. Valid format are:\n" + "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n"); + exit(1); + } + rtc_date_offset = time(NULL) - rtc_start_date; + } + } + break; + case QEMU_OPTION_tb_size: + tb_size = strtol(optarg, NULL, 0); + if (tb_size < 0) + tb_size = 0; + break; + case QEMU_OPTION_icount: + use_icount = 1; + if (strcmp(optarg, "auto") == 0) { + icount_time_shift = -1; + } else { + icount_time_shift = strtol(optarg, NULL, 0); + } + break; + + case QEMU_OPTION_noaudio: + android_audio_enabled = 0; + break; + case QEMU_OPTION_mic: + audio_input_source = (char*)optarg; + break; +#ifdef CONFIG_TRACE + case QEMU_OPTION_trace_file: + trace_filename = optarg; + tracing = 1; + break; + case QEMU_OPTION_trace_miss: + trace_cache_miss = 1; + break; + case QEMU_OPTION_trace_addr: + trace_all_addr = 1; + break; + case QEMU_OPTION_tracing: + if (strcmp(optarg, "off") == 0) + tracing = 0; + else if (strcmp(optarg, "on") == 0 && trace_filename) + tracing = 1; + else { + fprintf(stderr, "Unexpected option to -tracing ('%s')\n", + optarg); + exit(1); + } + break; + case QEMU_OPTION_dcache_load_miss: + dcache_load_miss_penalty = atoi(optarg); + break; + case QEMU_OPTION_dcache_store_miss: + dcache_store_miss_penalty = atoi(optarg); + break; +#endif +#ifdef CONFIG_NAND + case QEMU_OPTION_nand: + nand_add_dev(optarg); + break; +#endif + } + } + } + + if (nographic) { + if (serial_device_index == 0) + serial_devices[0] = "stdio"; + if (parallel_device_index == 0) + parallel_devices[0] = "null"; + if (strncmp(monitor_device, "vc", 2) == 0) + monitor_device = "stdio"; + } + +#ifndef _WIN32 + if (daemonize) { + pid_t pid; + + if (pipe(fds) == -1) + exit(1); + + pid = fork(); + if (pid > 0) { + uint8_t status; + ssize_t len; + + close(fds[1]); + + again: + len = read(fds[0], &status, 1); + if (len == -1 && (errno == EINTR)) + goto again; + + if (len != 1) + exit(1); + else if (status == 1) { + fprintf(stderr, "Could not acquire pidfile\n"); + exit(1); + } else + exit(0); + } else if (pid < 0) + exit(1); + + setsid(); + + pid = fork(); + if (pid > 0) + exit(0); + else if (pid < 0) + exit(1); + + umask(027); + + signal(SIGTSTP, SIG_IGN); + signal(SIGTTOU, SIG_IGN); + signal(SIGTTIN, SIG_IGN); + } +#endif + + if (pid_file && qemu_create_pidfile(pid_file) != 0) { + if (daemonize) { + uint8_t status = 1; + write(fds[1], &status, 1); + } else + fprintf(stderr, "Could not acquire pid file\n"); + exit(1); + } + +#ifdef USE_KQEMU + if (smp_cpus > 1) + kqemu_allowed = 0; +#endif + linux_boot = (kernel_filename != NULL); + net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF; + + if (!linux_boot && net_boot == 0 && + !machine->nodisk_ok && nb_drives_opt == 0) + qemu_help(1); + + if (!linux_boot && *kernel_cmdline != '\0') { + fprintf(stderr, "-append only allowed with -kernel option\n"); + exit(1); + } + + if (!linux_boot && initrd_filename != NULL) { + fprintf(stderr, "-initrd only allowed with -kernel option\n"); + exit(1); + } + + /* boot to floppy or the default cd if no hard disk defined yet */ + if (!boot_devices[0]) { + boot_devices = "cad"; + } + setvbuf(stdout, NULL, _IOLBF, 0); + + init_timers(); + init_timer_alarm(); + qemu_aio_init(); + if (use_icount && icount_time_shift < 0) { + use_icount = 2; + /* 125MIPS seems a reasonable initial guess at the guest speed. + It will be corrected fairly quickly anyway. */ + icount_time_shift = 3; + init_icount_adjust(); + } + +#ifdef _WIN32 + socket_init(); +#endif + + /* init network clients */ + if (nb_net_clients == 0) { + /* if no clients, we use a default config */ + net_clients[nb_net_clients++] = "nic"; +#ifdef CONFIG_SLIRP + net_clients[nb_net_clients++] = "user"; +#endif + } + + for(i = 0;i < nb_net_clients; i++) { + if (net_client_parse(net_clients[i]) < 0) + exit(1); + } + for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { + if (vlan->nb_guest_devs == 0 && vlan->nb_host_devs == 0) + continue; + if (vlan->nb_guest_devs == 0) + fprintf(stderr, "Warning: vlan %d with no nics\n", vlan->id); + if (vlan->nb_host_devs == 0) + fprintf(stderr, + "Warning: vlan %d is not connected to host network\n", + vlan->id); + } + +#ifdef TARGET_I386 + /* XXX: this should be moved in the PC machine instantiation code */ + if (net_boot != 0) { + int netroms = 0; + for (i = 0; i < nb_nics && i < 4; i++) { + const char *model = nd_table[i].model; + char buf[1024]; + if (net_boot & (1 << i)) { + if (model == NULL) + model = "ne2k_pci"; + snprintf(buf, sizeof(buf), "%s/pxe-%s.bin", bios_dir, model); + if (get_image_size(buf) > 0) { + if (nb_option_roms >= MAX_OPTION_ROMS) { + fprintf(stderr, "Too many option ROMs\n"); + exit(1); + } + option_rom[nb_option_roms] = strdup(buf); + nb_option_roms++; + netroms++; + } + } + } + if (netroms == 0) { + fprintf(stderr, "No valid PXE rom found for network device\n"); + exit(1); + } + } +#endif + + /* init the memory */ + phys_ram_size = machine->ram_require & ~RAMSIZE_FIXED; + + if (machine->ram_require & RAMSIZE_FIXED) { + if (ram_size > 0) { + if (ram_size < phys_ram_size) { + fprintf(stderr, "Machine `%s' requires %llu bytes of memory\n", + machine->name, (unsigned long long) phys_ram_size); + exit(-1); + } + + phys_ram_size = ram_size; + } else + ram_size = phys_ram_size; + } else { + if (ram_size == 0) + ram_size = DEFAULT_RAM_SIZE * 1024 * 1024; + + phys_ram_size += ram_size; + } + + phys_ram_base = qemu_vmalloc(phys_ram_size); + if (!phys_ram_base) { + fprintf(stderr, "Could not allocate physical memory\n"); + exit(1); + } + + /* init the dynamic translator */ + cpu_exec_init_all(tb_size * 1024 * 1024); + + bdrv_init(); + + /* we always create the cdrom drive, even if no disk is there */ + + if (nb_drives_opt < MAX_DRIVES) + drive_add(NULL, CDROM_ALIAS); + + /* we always create at least one floppy */ + + if (nb_drives_opt < MAX_DRIVES) + drive_add(NULL, FD_ALIAS, 0); + + /* we always create one sd slot, even if no card is in it */ + + if (nb_drives_opt < MAX_DRIVES) + drive_add(NULL, SD_ALIAS); + + /* open the virtual block devices */ + + for(i = 0; i < nb_drives_opt; i++) + if (drive_init(&drives_opt[i], snapshot, machine) == -1) + exit(1); + + register_savevm("timer", 0, 2, timer_save, timer_load, NULL); + register_savevm("ram", 0, 2, ram_save, ram_load, NULL); + + /* terminal init */ + memset(&display_state, 0, sizeof(display_state)); + if (nographic) { + if (curses) { + fprintf(stderr, "fatal: -nographic can't be used with -curses\n"); + exit(1); + } + /* nearly nothing to do */ + dumb_display_init(ds); + } else if (vnc_display != NULL) { + vnc_display_init(ds); + if (vnc_display_open(ds, vnc_display) < 0) + exit(1); + } else +#if defined(CONFIG_CURSES) + if (curses) { + curses_display_init(ds, full_screen); + } else +#endif + { +#if defined(CONFIG_SDL) + sdl_display_init(ds, full_screen, no_frame); +#elif defined(CONFIG_COCOA) + cocoa_display_init(ds, full_screen); +#else + dumb_display_init(ds); +#endif + } + +#ifndef _WIN32 + /* must be after terminal init, SDL library changes signal handlers */ + termsig_setup(); +#endif + + /* Maintain compatibility with multiple stdio monitors */ + if (!strcmp(monitor_device,"stdio")) { + for (i = 0; i < MAX_SERIAL_PORTS; i++) { + const char *devname = serial_devices[i]; + if (devname && !strcmp(devname,"mon:stdio")) { + monitor_device = NULL; + break; + } else if (devname && !strcmp(devname,"stdio")) { + monitor_device = NULL; + serial_devices[i] = "mon:stdio"; + break; + } + } + } + if (monitor_device) { + monitor_hd = qemu_chr_open(monitor_device); + if (!monitor_hd) { + fprintf(stderr, "qemu: could not open monitor device '%s'\n", monitor_device); + exit(1); + } + monitor_init(monitor_hd, !nographic); + } + + for(i = 0; i < MAX_SERIAL_PORTS; i++) { + const char *devname = serial_devices[i]; + if (devname && strcmp(devname, "none")) { + serial_hds[i] = qemu_chr_open(devname); + if (!serial_hds[i]) { + fprintf(stderr, "qemu: could not open serial device '%s'\n", + devname); + exit(1); + } + if (strstart(devname, "vc", 0)) + qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i); + } + } + + for(i = 0; i < MAX_PARALLEL_PORTS; i++) { + const char *devname = parallel_devices[i]; + if (devname && strcmp(devname, "none")) { + parallel_hds[i] = qemu_chr_open(devname); + if (!parallel_hds[i]) { + fprintf(stderr, "qemu: could not open parallel device '%s'\n", + devname); + exit(1); + } + if (strstart(devname, "vc", 0)) + qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i); + } + } + +#ifdef CONFIG_TRACE + if (trace_filename) { + trace_init(trace_filename); + dcache_init(dcache_size, dcache_ways, dcache_line_size, + dcache_replace_policy, dcache_load_miss_penalty, + dcache_store_miss_penalty); + fprintf(stderr, "-- When done tracing, exit the emulator. --\n"); + } +#endif + + machine->init(ram_size, vga_ram_size, boot_devices, ds, + kernel_filename, kernel_cmdline, initrd_filename, cpu_model); + + /* init USB devices */ + if (usb_enabled) { + for(i = 0; i < usb_devices_index; i++) { + if (usb_device_add(usb_devices[i]) < 0) { + fprintf(stderr, "Warning: could not add USB device %s\n", + usb_devices[i]); + } + } + } + + if (display_state.dpy_refresh) { + display_state.gui_timer = qemu_new_timer(rt_clock, gui_update, &display_state); + qemu_mod_timer(display_state.gui_timer, qemu_get_clock(rt_clock)); + } + +#ifdef CONFIG_GDBSTUB + if (use_gdbstub) { + /* XXX: use standard host:port notation and modify options + accordingly. */ + if (gdbserver_start(gdbstub_port) < 0) { + fprintf(stderr, "qemu: could not open gdbstub device on port '%s'\n", + gdbstub_port); + exit(1); + } + } +#endif + + if (loadvm) + do_loadvm(loadvm); + + /* call android-specific setup function */ + android_emulation_setup(); + + { + /* XXX: simplify init */ + read_passwords(); + if (autostart) { + vm_start(); + } + } + + if (daemonize) { + uint8_t status = 0; + ssize_t len; + int fd; + + again1: + len = write(fds[1], &status, 1); + if (len == -1 && (errno == EINTR)) + goto again1; + + if (len != 1) + exit(1); + + chdir("/"); + TFR(fd = open("/dev/null", O_RDWR)); + if (fd == -1) + exit(1); + + dup2(fd, 0); + dup2(fd, 1); + dup2(fd, 2); + + close(fd); + } + + main_loop(); + quit_timers(); + +#if !defined(_WIN32) + /* close network clients */ + for(vlan = first_vlan; vlan != NULL; vlan = vlan->next) { + VLANClientState *vc; + + for(vc = vlan->first_client; vc != NULL; vc = vc->next) { + if (vc->fd_read == tap_receive) { + char ifname[64]; + TAPState *s = vc->opaque; + + if (sscanf(vc->info_str, "tap: ifname=%63s ", ifname) == 1 && + s->down_script[0]) + launch_script(s->down_script, ifname, s->fd); + } +#if defined(CONFIG_VDE) + if (vc->fd_read == vde_from_qemu) { + VDEState *s = vc->opaque; + vde_close(s->vde); + } +#endif + } + } +#endif + + android_emulation_teardown(); + return 0; +} |