From 025c32ffcd9f682cd761a836fe8798738d1648f2 Mon Sep 17 00:00:00 2001 From: David Turner Date: Fri, 10 Sep 2010 14:52:42 +0200 Subject: upstream: console changes. --- vl.c | 412 ++++++++----------------------------------------------------------- 1 file changed, 46 insertions(+), 366 deletions(-) (limited to 'vl.c') diff --git a/vl.c b/vl.c index fb06d05..063f6a9 100644 --- a/vl.c +++ b/vl.c @@ -169,18 +169,8 @@ int main(int argc, char **argv) #include "libslirp.h" #endif -//#define DEBUG_UNUSED_IOPORT -//#define DEBUG_IOPORT -//#define DEBUG_NET -//#define DEBUG_SLIRP -#ifdef DEBUG_IOPORT -# define LOG_IOPORT(...) qemu_log_mask(CPU_LOG_IOPORT, ## __VA_ARGS__) -#else -# define LOG_IOPORT(...) do { } while (0) -#endif - #define DEFAULT_RAM_SIZE 128 /* Max number of USB devices that can be specified on the commandline. */ @@ -363,140 +353,6 @@ static void default_ioport_writel(void *opaque, uint32_t address, uint32_t 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; - - ioport_opaque[i] = NULL; - } -} - -/***********************************************************/ - -void cpu_outb(CPUState *env, int addr, int val) -{ - LOG_IOPORT("outb: %04x %02x\n", addr, val); - ioport_write(0, addr, val); -#ifdef CONFIG_KQEMU - if (env) - env->last_io_time = cpu_get_time_fast(); -#endif -} - -void cpu_outw(CPUState *env, int addr, int val) -{ - LOG_IOPORT("outw: %04x %04x\n", addr, val); - ioport_write(1, addr, val); -#ifdef CONFIG_KQEMU - if (env) - env->last_io_time = cpu_get_time_fast(); -#endif -} - -void cpu_outl(CPUState *env, int addr, int val) -{ - LOG_IOPORT("outl: %04x %08x\n", addr, val); - ioport_write(2, addr, val); -#ifdef CONFIG_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); - LOG_IOPORT("inb : %04x %02x\n", addr, val); -#ifdef CONFIG_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); - LOG_IOPORT("inw : %04x %04x\n", addr, val); -#ifdef CONFIG_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); - LOG_IOPORT("inl : %04x %08x\n", addr, val); -#ifdef CONFIG_KQEMU - if (env) - env->last_io_time = cpu_get_time_fast(); -#endif - return val; -} /***********************************************************/ void hw_error(const char *fmt, ...) @@ -560,169 +416,6 @@ ram_addr_t qemu_balloon_status(void) } /***********************************************************/ -/* keyboard/mouse */ - -static QEMUPutKBDEvent *qemu_put_kbd_event; -static void *qemu_put_kbd_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; -} - -QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func, - void *opaque, int absolute, - const char *name) -{ - QEMUPutMouseEntry *s, *cursor; - - s = qemu_mallocz(sizeof(QEMUPutMouseEntry)); - - 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); -} - -void kbd_put_keycode(int keycode) -{ - if (qemu_put_kbd_event) { - qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode); - } -} - -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(Monitor *mon) -{ - QEMUPutMouseEntry *cursor; - int index = 0; - - if (!qemu_put_mouse_event_head) { - monitor_printf(mon, "No mouse devices connected\n"); - return; - } - - monitor_printf(mon, "Mouse devices available:\n"); - cursor = qemu_put_mouse_event_head; - while (cursor != NULL) { - monitor_printf(mon, "%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(Monitor *mon, int index) -{ - QEMUPutMouseEntry *cursor; - int i = 0; - - if (!qemu_put_mouse_event_head) { - monitor_printf(mon, "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 - monitor_printf(mon, "Mouse at given index not found\n"); -} - -/***********************************************************/ /* real time host monotonic timer */ /* compute with 96 bit intermediate result: (a*b)/c */ @@ -1902,10 +1595,12 @@ typedef struct IOHandlerRecord { void *opaque; /* temporary data */ struct pollfd *ufd; - struct IOHandlerRecord *next; + QLIST_ENTRY(IOHandlerRecord) next; } IOHandlerRecord; -static IOHandlerRecord *first_io_handler; +static QLIST_HEAD(, IOHandlerRecord) io_handlers = + QLIST_HEAD_INITIALIZER(io_handlers); + /* XXX: fd_read_poll should be suppressed, but an API change is necessary in the character devices to suppress fd_can_read(). */ @@ -1915,28 +1610,22 @@ int qemu_set_fd_handler2(int fd, IOHandler *fd_write, void *opaque) { - IOHandlerRecord **pioh, *ioh; + IOHandlerRecord *ioh; if (!fd_read && !fd_write) { - pioh = &first_io_handler; - for(;;) { - ioh = *pioh; - if (ioh == NULL) - break; + QLIST_FOREACH(ioh, &io_handlers, next) { if (ioh->fd == fd) { ioh->deleted = 1; break; } - pioh = &ioh->next; } } else { - for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { + QLIST_FOREACH(ioh, &io_handlers, next) { if (ioh->fd == fd) goto found; } ioh = qemu_mallocz(sizeof(IOHandlerRecord)); - ioh->next = first_io_handler; - first_io_handler = ioh; + QLIST_INSERT_HEAD(&io_handlers, ioh, next); found: ioh->fd = fd; ioh->fd_read_poll = fd_read_poll; @@ -2579,13 +2268,13 @@ void vm_start(void) /* reset/shutdown handler */ typedef struct QEMUResetEntry { + QTAILQ_ENTRY(QEMUResetEntry) entry; QEMUResetHandler *func; void *opaque; - int order; - struct QEMUResetEntry *next; } QEMUResetEntry; -static QEMUResetEntry *first_reset_entry; +static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers = + QTAILQ_HEAD_INITIALIZER(reset_handlers); static int reset_requested; static int shutdown_requested; static int powerdown_requested; @@ -2627,6 +2316,28 @@ static int qemu_vmstop_requested(void) return r; } +void qemu_register_reset(QEMUResetHandler *func, void *opaque) +{ + QEMUResetEntry *re = qemu_mallocz(sizeof(QEMUResetEntry)); + + re->func = func; + re->opaque = opaque; + QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); +} + +void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) +{ + QEMUResetEntry *re; + + QTAILQ_FOREACH(re, &reset_handlers, entry) { + if (re->func == func && re->opaque == opaque) { + QTAILQ_REMOVE(&reset_handlers, re, entry); + qemu_free(re); + return; + } + } +} + static void do_vm_stop(int reason) { if (vm_running) { @@ -2658,7 +2369,7 @@ void qemu_system_reset(void) QEMUResetEntry *re; /* reset all devices */ - for(re = first_reset_entry; re != NULL; re = re->next) { + QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) { re->func(re->opaque); } } @@ -3213,7 +2924,7 @@ void main_loop_wait(int timeout) FD_ZERO(&rfds); FD_ZERO(&wfds); FD_ZERO(&xfds); - for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { + QLIST_FOREACH(ioh, &io_handlers, next) { if (ioh->deleted) continue; if (ioh->fd_read && @@ -3242,28 +2953,22 @@ void main_loop_wait(int timeout) ret = select(nfds + 1, &rfds, &wfds, &xfds, &tv); qemu_mutex_lock_iothread(); if (ret > 0) { - IOHandlerRecord **pioh; + IOHandlerRecord *pioh; - for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) { - if (!ioh->deleted && ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { + QLIST_FOREACH_SAFE(ioh, &io_handlers, next, pioh) { + if (ioh->deleted) { + QLIST_REMOVE(ioh, next); + qemu_free(ioh); + continue; + } + if (ioh->fd_read && FD_ISSET(ioh->fd, &rfds)) { ioh->fd_read(ioh->opaque); } - if (!ioh->deleted && ioh->fd_write && FD_ISSET(ioh->fd, &wfds)) { + if (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_is_inited()) { if (ret < 0) { @@ -3275,27 +2980,6 @@ void main_loop_wait(int timeout) } #endif -#if 0 - /* rearm timer, if not periodic */ - if (alarm_timer->flags & ALARM_FLAG_EXPIRED) { - alarm_timer->flags &= ~ALARM_FLAG_EXPIRED; - qemu_rearm_alarm_timer(alarm_timer); - } - - /* vm time timers */ - if (vm_running) { - if (!cur_cpu || likely(!(cur_cpu->singlestep_enabled & SSTEP_NOTIMER))) - qemu_run_timers(&active_timers[QEMU_CLOCK_VIRTUAL], - qemu_get_clock(vm_clock)); - } - - /* real time timers */ - qemu_run_timers(&active_timers[QEMU_CLOCK_REALTIME], - qemu_get_clock(rt_clock)); - - qemu_run_timers(&active_timers[QEMU_CLOCK_HOST], - qemu_get_clock(host_clock)); -#endif qemu_run_all_timers(); /* Check bottom-halves last in case any of the earlier events triggered @@ -3862,7 +3546,7 @@ char *qemu_find_file(int type, const char *name) /* If name contains path separators then try it as a straight path. */ if ((strchr(name, '/') || strchr(name, '\\')) && access(name, R_OK) == 0) { - return strdup(name); + return qemu_strdup(name); } switch (type) { case QEMU_FILE_TYPE_BIOS: @@ -4288,11 +3972,7 @@ int main(int argc, char **argv, char **envp) } /* On 32-bit hosts, QEMU is limited by virtual address space */ - if (value > (2047 << 20) -#ifndef CONFIG_KQEMU - && HOST_LONG_BITS == 32 -#endif - ) { + if (value > (2047 << 20) && HOST_LONG_BITS == 32) { fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n"); exit(1); } -- cgit v1.1