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-rw-r--r--linux-user/main.c1716
1 files changed, 0 insertions, 1716 deletions
diff --git a/linux-user/main.c b/linux-user/main.c
deleted file mode 100644
index d169311..0000000
--- a/linux-user/main.c
+++ /dev/null
@@ -1,1716 +0,0 @@
-/*
- * qemu user main
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-
-#include "qemu.h"
-
-#define DEBUG_LOGFILE "/tmp/qemu.log"
-
-#ifdef __APPLE__
-#include <crt_externs.h>
-# define environ (*_NSGetEnviron())
-#endif
-
-static const char *interp_prefix = CONFIG_QEMU_PREFIX;
-const char *qemu_uname_release = CONFIG_UNAME_RELEASE;
-
-#if defined(__i386__) && !defined(CONFIG_STATIC)
-/* Force usage of an ELF interpreter even if it is an ELF shared
- object ! */
-const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2";
-#endif
-
-/* for recent libc, we add these dummy symbols which are not declared
- when generating a linked object (bug in ld ?) */
-#if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined(CONFIG_STATIC)
-long __preinit_array_start[0];
-long __preinit_array_end[0];
-long __init_array_start[0];
-long __init_array_end[0];
-long __fini_array_start[0];
-long __fini_array_end[0];
-#endif
-
-/* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
- we allocate a bigger stack. Need a better solution, for example
- by remapping the process stack directly at the right place */
-unsigned long x86_stack_size = 512 * 1024;
-
-void gemu_log(const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- vfprintf(stderr, fmt, ap);
- va_end(ap);
-}
-
-void cpu_outb(CPUState *env, int addr, int val)
-{
- fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
-}
-
-void cpu_outw(CPUState *env, int addr, int val)
-{
- fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
-}
-
-void cpu_outl(CPUState *env, int addr, int val)
-{
- fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
-}
-
-int cpu_inb(CPUState *env, int addr)
-{
- fprintf(stderr, "inb: port=0x%04x\n", addr);
- return 0;
-}
-
-int cpu_inw(CPUState *env, int addr)
-{
- fprintf(stderr, "inw: port=0x%04x\n", addr);
- return 0;
-}
-
-int cpu_inl(CPUState *env, int addr)
-{
- fprintf(stderr, "inl: port=0x%04x\n", addr);
- return 0;
-}
-
-int cpu_get_pic_interrupt(CPUState *env)
-{
- return -1;
-}
-
-/* timers for rdtsc */
-
-#if 0
-
-static uint64_t emu_time;
-
-int64_t cpu_get_real_ticks(void)
-{
- return emu_time++;
-}
-
-#endif
-
-#ifdef TARGET_I386
-/***********************************************************/
-/* CPUX86 core interface */
-
-uint64_t cpu_get_tsc(CPUX86State *env)
-{
- return cpu_get_real_ticks();
-}
-
-static void write_dt(void *ptr, unsigned long addr, unsigned long limit,
- int flags)
-{
- unsigned int e1, e2;
- uint32_t *p;
- e1 = (addr << 16) | (limit & 0xffff);
- e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000);
- e2 |= flags;
- p = ptr;
- p[0] = tswapl(e1);
- p[1] = tswapl(e2);
-}
-
-static void set_gate(void *ptr, unsigned int type, unsigned int dpl,
- unsigned long addr, unsigned int sel)
-{
- unsigned int e1, e2;
- uint32_t *p;
- e1 = (addr & 0xffff) | (sel << 16);
- e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8);
- p = ptr;
- p[0] = tswapl(e1);
- p[1] = tswapl(e2);
-}
-
-uint64_t gdt_table[6];
-uint64_t idt_table[256];
-
-/* only dpl matters as we do only user space emulation */
-static void set_idt(int n, unsigned int dpl)
-{
- set_gate(idt_table + n, 0, dpl, 0, 0);
-}
-
-void cpu_loop(CPUX86State *env)
-{
- int trapnr;
- target_ulong pc;
- target_siginfo_t info;
-
- for(;;) {
- trapnr = cpu_x86_exec(env);
- switch(trapnr) {
- case 0x80:
- /* linux syscall */
- env->regs[R_EAX] = do_syscall(env,
- env->regs[R_EAX],
- env->regs[R_EBX],
- env->regs[R_ECX],
- env->regs[R_EDX],
- env->regs[R_ESI],
- env->regs[R_EDI],
- env->regs[R_EBP]);
- break;
- case EXCP0B_NOSEG:
- case EXCP0C_STACK:
- info.si_signo = SIGBUS;
- info.si_errno = 0;
- info.si_code = TARGET_SI_KERNEL;
- info._sifields._sigfault._addr = 0;
- queue_signal(info.si_signo, &info);
- break;
- case EXCP0D_GPF:
- if (env->eflags & VM_MASK) {
- handle_vm86_fault(env);
- } else {
- info.si_signo = SIGSEGV;
- info.si_errno = 0;
- info.si_code = TARGET_SI_KERNEL;
- info._sifields._sigfault._addr = 0;
- queue_signal(info.si_signo, &info);
- }
- break;
- case EXCP0E_PAGE:
- info.si_signo = SIGSEGV;
- info.si_errno = 0;
- if (!(env->error_code & 1))
- info.si_code = TARGET_SEGV_MAPERR;
- else
- info.si_code = TARGET_SEGV_ACCERR;
- info._sifields._sigfault._addr = env->cr[2];
- queue_signal(info.si_signo, &info);
- break;
- case EXCP00_DIVZ:
- if (env->eflags & VM_MASK) {
- handle_vm86_trap(env, trapnr);
- } else {
- /* division by zero */
- info.si_signo = SIGFPE;
- info.si_errno = 0;
- info.si_code = TARGET_FPE_INTDIV;
- info._sifields._sigfault._addr = env->eip;
- queue_signal(info.si_signo, &info);
- }
- break;
- case EXCP01_SSTP:
- case EXCP03_INT3:
- if (env->eflags & VM_MASK) {
- handle_vm86_trap(env, trapnr);
- } else {
- info.si_signo = SIGTRAP;
- info.si_errno = 0;
- if (trapnr == EXCP01_SSTP) {
- info.si_code = TARGET_TRAP_BRKPT;
- info._sifields._sigfault._addr = env->eip;
- } else {
- info.si_code = TARGET_SI_KERNEL;
- info._sifields._sigfault._addr = 0;
- }
- queue_signal(info.si_signo, &info);
- }
- break;
- case EXCP04_INTO:
- case EXCP05_BOUND:
- if (env->eflags & VM_MASK) {
- handle_vm86_trap(env, trapnr);
- } else {
- info.si_signo = SIGSEGV;
- info.si_errno = 0;
- info.si_code = TARGET_SI_KERNEL;
- info._sifields._sigfault._addr = 0;
- queue_signal(info.si_signo, &info);
- }
- break;
- case EXCP06_ILLOP:
- info.si_signo = SIGILL;
- info.si_errno = 0;
- info.si_code = TARGET_ILL_ILLOPN;
- info._sifields._sigfault._addr = env->eip;
- queue_signal(info.si_signo, &info);
- break;
- case EXCP_INTERRUPT:
- /* just indicate that signals should be handled asap */
- break;
- case EXCP_DEBUG:
- {
- int sig;
-
- sig = gdb_handlesig (env, TARGET_SIGTRAP);
- if (sig)
- {
- info.si_signo = sig;
- info.si_errno = 0;
- info.si_code = TARGET_TRAP_BRKPT;
- queue_signal(info.si_signo, &info);
- }
- }
- break;
- default:
- pc = env->segs[R_CS].base + env->eip;
- fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
- (long)pc, trapnr);
- abort();
- }
- process_pending_signals(env);
- }
-}
-#endif
-
-#ifdef TARGET_ARM
-
-/* XXX: find a better solution */
-extern void tb_invalidate_page_range(target_ulong start, target_ulong end);
-
-static void arm_cache_flush(target_ulong start, target_ulong last)
-{
- target_ulong addr, last1;
-
- if (last < start)
- return;
- addr = start;
- for(;;) {
- last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
- if (last1 > last)
- last1 = last;
- tb_invalidate_page_range(addr, last1 + 1);
- if (last1 == last)
- break;
- addr = last1 + 1;
- }
-}
-
-void cpu_loop(CPUARMState *env)
-{
- int trapnr;
- unsigned int n, insn;
- target_siginfo_t info;
- uint32_t addr;
-
- for(;;) {
- trapnr = cpu_arm_exec(env);
- switch(trapnr) {
- case EXCP_UDEF:
- {
- TaskState *ts = env->opaque;
- uint32_t opcode;
-
- /* we handle the FPU emulation here, as Linux */
- /* we get the opcode */
- opcode = tget32(env->regs[15]);
-
- if (EmulateAll(opcode, &ts->fpa, env) == 0) {
- info.si_signo = SIGILL;
- info.si_errno = 0;
- info.si_code = TARGET_ILL_ILLOPN;
- info._sifields._sigfault._addr = env->regs[15];
- queue_signal(info.si_signo, &info);
- } else {
- /* increment PC */
- env->regs[15] += 4;
- }
- }
- break;
- case EXCP_SWI:
- case EXCP_BKPT:
- {
- env->eabi = 1;
- /* system call */
- if (trapnr == EXCP_BKPT) {
- if (env->thumb) {
- insn = tget16(env->regs[15]);
- n = insn & 0xff;
- env->regs[15] += 2;
- } else {
- insn = tget32(env->regs[15]);
- n = (insn & 0xf) | ((insn >> 4) & 0xff0);
- env->regs[15] += 4;
- }
- } else {
- if (env->thumb) {
- insn = tget16(env->regs[15] - 2);
- n = insn & 0xff;
- } else {
- insn = tget32(env->regs[15] - 4);
- n = insn & 0xffffff;
- }
- }
-
- if (n == ARM_NR_cacheflush) {
- arm_cache_flush(env->regs[0], env->regs[1]);
- } else if (n == ARM_NR_semihosting
- || n == ARM_NR_thumb_semihosting) {
- env->regs[0] = do_arm_semihosting (env);
- } else if (n == 0 || n >= ARM_SYSCALL_BASE
- || (env->thumb && n == ARM_THUMB_SYSCALL)) {
- /* linux syscall */
- if (env->thumb || n == 0) {
- n = env->regs[7];
- } else {
- n -= ARM_SYSCALL_BASE;
- env->eabi = 0;
- }
- env->regs[0] = do_syscall(env,
- n,
- env->regs[0],
- env->regs[1],
- env->regs[2],
- env->regs[3],
- env->regs[4],
- env->regs[5]);
- } else {
- goto error;
- }
- }
- break;
- case EXCP_INTERRUPT:
- /* just indicate that signals should be handled asap */
- break;
- case EXCP_PREFETCH_ABORT:
- addr = env->cp15.c6_data;
- goto do_segv;
- case EXCP_DATA_ABORT:
- addr = env->cp15.c6_insn;
- goto do_segv;
- do_segv:
- {
- info.si_signo = SIGSEGV;
- info.si_errno = 0;
- /* XXX: check env->error_code */
- info.si_code = TARGET_SEGV_MAPERR;
- info._sifields._sigfault._addr = addr;
- queue_signal(info.si_signo, &info);
- }
- break;
- case EXCP_DEBUG:
- {
- int sig;
-
- sig = gdb_handlesig (env, TARGET_SIGTRAP);
- if (sig)
- {
- info.si_signo = sig;
- info.si_errno = 0;
- info.si_code = TARGET_TRAP_BRKPT;
- queue_signal(info.si_signo, &info);
- }
- }
- break;
- default:
- error:
- fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
- trapnr);
- cpu_dump_state(env, stderr, fprintf, 0);
- abort();
- }
- process_pending_signals(env);
- }
-}
-
-#endif
-
-#ifdef TARGET_SPARC
-
-//#define DEBUG_WIN
-
-/* WARNING: dealing with register windows _is_ complicated. More info
- can be found at http://www.sics.se/~psm/sparcstack.html */
-static inline int get_reg_index(CPUSPARCState *env, int cwp, int index)
-{
- index = (index + cwp * 16) & (16 * NWINDOWS - 1);
- /* wrap handling : if cwp is on the last window, then we use the
- registers 'after' the end */
- if (index < 8 && env->cwp == (NWINDOWS - 1))
- index += (16 * NWINDOWS);
- return index;
-}
-
-/* save the register window 'cwp1' */
-static inline void save_window_offset(CPUSPARCState *env, int cwp1)
-{
- unsigned int i;
- target_ulong sp_ptr;
-
- sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
-#if defined(DEBUG_WIN)
- printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
- (int)sp_ptr, cwp1);
-#endif
- for(i = 0; i < 16; i++) {
- tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]);
- sp_ptr += sizeof(target_ulong);
- }
-}
-
-static void save_window(CPUSPARCState *env)
-{
-#ifndef TARGET_SPARC64
- unsigned int new_wim;
- new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) &
- ((1LL << NWINDOWS) - 1);
- save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
- env->wim = new_wim;
-#else
- save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1));
- env->cansave++;
- env->canrestore--;
-#endif
-}
-
-static void restore_window(CPUSPARCState *env)
-{
- unsigned int new_wim, i, cwp1;
- target_ulong sp_ptr;
-
- new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) &
- ((1LL << NWINDOWS) - 1);
-
- /* restore the invalid window */
- cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
- sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
-#if defined(DEBUG_WIN)
- printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
- (int)sp_ptr, cwp1);
-#endif
- for(i = 0; i < 16; i++) {
- env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr);
- sp_ptr += sizeof(target_ulong);
- }
- env->wim = new_wim;
-#ifdef TARGET_SPARC64
- env->canrestore++;
- if (env->cleanwin < NWINDOWS - 1)
- env->cleanwin++;
- env->cansave--;
-#endif
-}
-
-static void flush_windows(CPUSPARCState *env)
-{
- int offset, cwp1;
-
- offset = 1;
- for(;;) {
- /* if restore would invoke restore_window(), then we can stop */
- cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
- if (env->wim & (1 << cwp1))
- break;
- save_window_offset(env, cwp1);
- offset++;
- }
- /* set wim so that restore will reload the registers */
- cwp1 = (env->cwp + 1) & (NWINDOWS - 1);
- env->wim = 1 << cwp1;
-#if defined(DEBUG_WIN)
- printf("flush_windows: nb=%d\n", offset - 1);
-#endif
-}
-
-void cpu_loop (CPUSPARCState *env)
-{
- int trapnr, ret;
- target_siginfo_t info;
-
- while (1) {
- trapnr = cpu_sparc_exec (env);
-
- switch (trapnr) {
-#ifndef TARGET_SPARC64
- case 0x88:
- case 0x90:
-#else
- case 0x16d:
-#endif
- ret = do_syscall (env, env->gregs[1],
- env->regwptr[0], env->regwptr[1],
- env->regwptr[2], env->regwptr[3],
- env->regwptr[4], env->regwptr[5]);
- if ((unsigned int)ret >= (unsigned int)(-515)) {
- env->psr |= PSR_CARRY;
- ret = -ret;
- } else {
- env->psr &= ~PSR_CARRY;
- }
- env->regwptr[0] = ret;
- /* next instruction */
- env->pc = env->npc;
- env->npc = env->npc + 4;
- break;
- case 0x83: /* flush windows */
- flush_windows(env);
- /* next instruction */
- env->pc = env->npc;
- env->npc = env->npc + 4;
- break;
-#ifndef TARGET_SPARC64
- case TT_WIN_OVF: /* window overflow */
- save_window(env);
- break;
- case TT_WIN_UNF: /* window underflow */
- restore_window(env);
- break;
- case TT_TFAULT:
- case TT_DFAULT:
- {
- info.si_signo = SIGSEGV;
- info.si_errno = 0;
- /* XXX: check env->error_code */
- info.si_code = TARGET_SEGV_MAPERR;
- info._sifields._sigfault._addr = env->mmuregs[4];
- queue_signal(info.si_signo, &info);
- }
- break;
-#else
- case TT_SPILL: /* window overflow */
- save_window(env);
- break;
- case TT_FILL: /* window underflow */
- restore_window(env);
- break;
- // XXX
-#endif
- case EXCP_INTERRUPT:
- /* just indicate that signals should be handled asap */
- break;
- case EXCP_DEBUG:
- {
- int sig;
-
- sig = gdb_handlesig (env, TARGET_SIGTRAP);
- if (sig)
- {
- info.si_signo = sig;
- info.si_errno = 0;
- info.si_code = TARGET_TRAP_BRKPT;
- queue_signal(info.si_signo, &info);
- }
- }
- break;
- default:
- printf ("Unhandled trap: 0x%x\n", trapnr);
- cpu_dump_state(env, stderr, fprintf, 0);
- exit (1);
- }
- process_pending_signals (env);
- }
-}
-
-#endif
-
-#ifdef TARGET_PPC
-
-static inline uint64_t cpu_ppc_get_tb (CPUState *env)
-{
- /* TO FIX */
- return 0;
-}
-
-uint32_t cpu_ppc_load_tbl (CPUState *env)
-{
- return cpu_ppc_get_tb(env) & 0xFFFFFFFF;
-}
-
-uint32_t cpu_ppc_load_tbu (CPUState *env)
-{
- return cpu_ppc_get_tb(env) >> 32;
-}
-
-static void cpu_ppc_store_tb (CPUState *env, uint64_t value)
-{
- /* TO FIX */
-}
-
-void cpu_ppc_store_tbu (CPUState *env, uint32_t value)
-{
- cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env));
-}
-
-void cpu_ppc_store_tbl (CPUState *env, uint32_t value)
-{
- cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value);
-}
-
-uint32_t cpu_ppc_load_decr (CPUState *env)
-{
- /* TO FIX */
- return -1;
-}
-
-void cpu_ppc_store_decr (CPUState *env, uint32_t value)
-{
- /* TO FIX */
-}
-
-void cpu_loop(CPUPPCState *env)
-{
- target_siginfo_t info;
- int trapnr;
- uint32_t ret;
-
- for(;;) {
- trapnr = cpu_ppc_exec(env);
- if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH &&
- trapnr != EXCP_TRACE) {
- if (loglevel > 0) {
- cpu_dump_state(env, logfile, fprintf, 0);
- }
- }
- switch(trapnr) {
- case EXCP_NONE:
- break;
- case EXCP_SYSCALL_USER:
- /* system call */
- /* WARNING:
- * PPC ABI uses overflow flag in cr0 to signal an error
- * in syscalls.
- */
-#if 0
- printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
- env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
-#endif
- env->crf[0] &= ~0x1;
- ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4],
- env->gpr[5], env->gpr[6], env->gpr[7],
- env->gpr[8]);
- if (ret > (uint32_t)(-515)) {
- env->crf[0] |= 0x1;
- ret = -ret;
- }
- env->gpr[3] = ret;
-#if 0
- printf("syscall returned 0x%08x (%d)\n", ret, ret);
-#endif
- break;
- case EXCP_RESET:
- /* Should not happen ! */
- fprintf(stderr, "RESET asked... Stop emulation\n");
- if (loglevel)
- fprintf(logfile, "RESET asked... Stop emulation\n");
- abort();
- case EXCP_MACHINE_CHECK:
- fprintf(stderr, "Machine check exeption... Stop emulation\n");
- if (loglevel)
- fprintf(logfile, "RESET asked... Stop emulation\n");
- info.si_signo = TARGET_SIGBUS;
- info.si_errno = 0;
- info.si_code = TARGET_BUS_OBJERR;
- info._sifields._sigfault._addr = env->nip - 4;
- queue_signal(info.si_signo, &info);
- case EXCP_DSI:
- fprintf(stderr, "Invalid data memory access: 0x%08x\n",
- env->spr[SPR_DAR]);
- if (loglevel) {
- fprintf(logfile, "Invalid data memory access: 0x%08x\n",
- env->spr[SPR_DAR]);
- }
- switch (env->error_code & 0xFF000000) {
- case 0x40000000:
- info.si_signo = TARGET_SIGSEGV;
- info.si_errno = 0;
- info.si_code = TARGET_SEGV_MAPERR;
- break;
- case 0x04000000:
- info.si_signo = TARGET_SIGILL;
- info.si_errno = 0;
- info.si_code = TARGET_ILL_ILLADR;
- break;
- case 0x08000000:
- info.si_signo = TARGET_SIGSEGV;
- info.si_errno = 0;
- info.si_code = TARGET_SEGV_ACCERR;
- break;
- default:
- /* Let's send a regular segfault... */
- fprintf(stderr, "Invalid segfault errno (%02x)\n",
- env->error_code);
- if (loglevel) {
- fprintf(logfile, "Invalid segfault errno (%02x)\n",
- env->error_code);
- }
- info.si_signo = TARGET_SIGSEGV;
- info.si_errno = 0;
- info.si_code = TARGET_SEGV_MAPERR;
- break;
- }
- info._sifields._sigfault._addr = env->nip;
- queue_signal(info.si_signo, &info);
- break;
- case EXCP_ISI:
- fprintf(stderr, "Invalid instruction fetch\n");
- if (loglevel)
- fprintf(logfile, "Invalid instruction fetch\n");
- switch (env->error_code & 0xFF000000) {
- case 0x40000000:
- info.si_signo = TARGET_SIGSEGV;
- info.si_errno = 0;
- info.si_code = TARGET_SEGV_MAPERR;
- break;
- case 0x10000000:
- case 0x08000000:
- info.si_signo = TARGET_SIGSEGV;
- info.si_errno = 0;
- info.si_code = TARGET_SEGV_ACCERR;
- break;
- default:
- /* Let's send a regular segfault... */
- fprintf(stderr, "Invalid segfault errno (%02x)\n",
- env->error_code);
- if (loglevel) {
- fprintf(logfile, "Invalid segfault errno (%02x)\n",
- env->error_code);
- }
- info.si_signo = TARGET_SIGSEGV;
- info.si_errno = 0;
- info.si_code = TARGET_SEGV_MAPERR;
- break;
- }
- info._sifields._sigfault._addr = env->nip - 4;
- queue_signal(info.si_signo, &info);
- break;
- case EXCP_EXTERNAL:
- /* Should not happen ! */
- fprintf(stderr, "External interruption... Stop emulation\n");
- if (loglevel)
- fprintf(logfile, "External interruption... Stop emulation\n");
- abort();
- case EXCP_ALIGN:
- fprintf(stderr, "Invalid unaligned memory access\n");
- if (loglevel)
- fprintf(logfile, "Invalid unaligned memory access\n");
- info.si_signo = TARGET_SIGBUS;
- info.si_errno = 0;
- info.si_code = TARGET_BUS_ADRALN;
- info._sifields._sigfault._addr = env->nip - 4;
- queue_signal(info.si_signo, &info);
- break;
- case EXCP_PROGRAM:
- switch (env->error_code & ~0xF) {
- case EXCP_FP:
- fprintf(stderr, "Program exception\n");
- if (loglevel)
- fprintf(logfile, "Program exception\n");
- /* Set FX */
- env->fpscr[7] |= 0x8;
- /* Finally, update FEX */
- if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) &
- ((env->fpscr[1] << 1) | (env->fpscr[0] >> 3)))
- env->fpscr[7] |= 0x4;
- info.si_signo = TARGET_SIGFPE;
- info.si_errno = 0;
- switch (env->error_code & 0xF) {
- case EXCP_FP_OX:
- info.si_code = TARGET_FPE_FLTOVF;
- break;
- case EXCP_FP_UX:
- info.si_code = TARGET_FPE_FLTUND;
- break;
- case EXCP_FP_ZX:
- case EXCP_FP_VXZDZ:
- info.si_code = TARGET_FPE_FLTDIV;
- break;
- case EXCP_FP_XX:
- info.si_code = TARGET_FPE_FLTRES;
- break;
- case EXCP_FP_VXSOFT:
- info.si_code = TARGET_FPE_FLTINV;
- break;
- case EXCP_FP_VXNAN:
- case EXCP_FP_VXISI:
- case EXCP_FP_VXIDI:
- case EXCP_FP_VXIMZ:
- case EXCP_FP_VXVC:
- case EXCP_FP_VXSQRT:
- case EXCP_FP_VXCVI:
- info.si_code = TARGET_FPE_FLTSUB;
- break;
- default:
- fprintf(stderr, "Unknown floating point exception "
- "(%02x)\n", env->error_code);
- if (loglevel) {
- fprintf(logfile, "Unknown floating point exception "
- "(%02x)\n", env->error_code & 0xF);
- }
- }
- break;
- case EXCP_INVAL:
- fprintf(stderr, "Invalid instruction\n");
- if (loglevel)
- fprintf(logfile, "Invalid instruction\n");
- info.si_signo = TARGET_SIGILL;
- info.si_errno = 0;
- switch (env->error_code & 0xF) {
- case EXCP_INVAL_INVAL:
- info.si_code = TARGET_ILL_ILLOPC;
- break;
- case EXCP_INVAL_LSWX:
- info.si_code = TARGET_ILL_ILLOPN;
- break;
- case EXCP_INVAL_SPR:
- info.si_code = TARGET_ILL_PRVREG;
- break;
- case EXCP_INVAL_FP:
- info.si_code = TARGET_ILL_COPROC;
- break;
- default:
- fprintf(stderr, "Unknown invalid operation (%02x)\n",
- env->error_code & 0xF);
- if (loglevel) {
- fprintf(logfile, "Unknown invalid operation (%02x)\n",
- env->error_code & 0xF);
- }
- info.si_code = TARGET_ILL_ILLADR;
- break;
- }
- break;
- case EXCP_PRIV:
- fprintf(stderr, "Privilege violation\n");
- if (loglevel)
- fprintf(logfile, "Privilege violation\n");
- info.si_signo = TARGET_SIGILL;
- info.si_errno = 0;
- switch (env->error_code & 0xF) {
- case EXCP_PRIV_OPC:
- info.si_code = TARGET_ILL_PRVOPC;
- break;
- case EXCP_PRIV_REG:
- info.si_code = TARGET_ILL_PRVREG;
- break;
- default:
- fprintf(stderr, "Unknown privilege violation (%02x)\n",
- env->error_code & 0xF);
- info.si_code = TARGET_ILL_PRVOPC;
- break;
- }
- break;
- case EXCP_TRAP:
- fprintf(stderr, "Tried to call a TRAP\n");
- if (loglevel)
- fprintf(logfile, "Tried to call a TRAP\n");
- abort();
- default:
- /* Should not happen ! */
- fprintf(stderr, "Unknown program exception (%02x)\n",
- env->error_code);
- if (loglevel) {
- fprintf(logfile, "Unknwon program exception (%02x)\n",
- env->error_code);
- }
- abort();
- }
- info._sifields._sigfault._addr = env->nip - 4;
- queue_signal(info.si_signo, &info);
- break;
- case EXCP_NO_FP:
- fprintf(stderr, "No floating point allowed\n");
- if (loglevel)
- fprintf(logfile, "No floating point allowed\n");
- info.si_signo = TARGET_SIGILL;
- info.si_errno = 0;
- info.si_code = TARGET_ILL_COPROC;
- info._sifields._sigfault._addr = env->nip - 4;
- queue_signal(info.si_signo, &info);
- break;
- case EXCP_DECR:
- /* Should not happen ! */
- fprintf(stderr, "Decrementer exception\n");
- if (loglevel)
- fprintf(logfile, "Decrementer exception\n");
- abort();
- case EXCP_TRACE:
- /* Do nothing: we use this to trace execution */
- break;
- case EXCP_FP_ASSIST:
- /* Should not happen ! */
- fprintf(stderr, "Floating point assist exception\n");
- if (loglevel)
- fprintf(logfile, "Floating point assist exception\n");
- abort();
- case EXCP_MTMSR:
- /* We reloaded the msr, just go on */
- if (msr_pr == 0) {
- fprintf(stderr, "Tried to go into supervisor mode !\n");
- if (loglevel)
- fprintf(logfile, "Tried to go into supervisor mode !\n");
- abort();
- }
- break;
- case EXCP_BRANCH:
- /* We stopped because of a jump... */
- break;
- case EXCP_INTERRUPT:
- /* Don't know why this should ever happen... */
- break;
- case EXCP_DEBUG:
- {
- int sig;
-
- sig = gdb_handlesig (env, TARGET_SIGTRAP);
- if (sig)
- {
- info.si_signo = sig;
- info.si_errno = 0;
- info.si_code = TARGET_TRAP_BRKPT;
- queue_signal(info.si_signo, &info);
- }
- }
- break;
- default:
- fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
- trapnr);
- if (loglevel) {
- fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - "
- "0x%02x - aborting\n", trapnr, env->error_code);
- }
- abort();
- }
- process_pending_signals(env);
- }
-}
-#endif
-
-#ifdef TARGET_MIPS
-
-#define MIPS_SYS(name, args) args,
-
-static const uint8_t mips_syscall_args[] = {
- MIPS_SYS(sys_syscall , 0) /* 4000 */
- MIPS_SYS(sys_exit , 1)
- MIPS_SYS(sys_fork , 0)
- MIPS_SYS(sys_read , 3)
- MIPS_SYS(sys_write , 3)
- MIPS_SYS(sys_open , 3) /* 4005 */
- MIPS_SYS(sys_close , 1)
- MIPS_SYS(sys_waitpid , 3)
- MIPS_SYS(sys_creat , 2)
- MIPS_SYS(sys_link , 2)
- MIPS_SYS(sys_unlink , 1) /* 4010 */
- MIPS_SYS(sys_execve , 0)
- MIPS_SYS(sys_chdir , 1)
- MIPS_SYS(sys_time , 1)
- MIPS_SYS(sys_mknod , 3)
- MIPS_SYS(sys_chmod , 2) /* 4015 */
- MIPS_SYS(sys_lchown , 3)
- MIPS_SYS(sys_ni_syscall , 0)
- MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */
- MIPS_SYS(sys_lseek , 3)
- MIPS_SYS(sys_getpid , 0) /* 4020 */
- MIPS_SYS(sys_mount , 5)
- MIPS_SYS(sys_oldumount , 1)
- MIPS_SYS(sys_setuid , 1)
- MIPS_SYS(sys_getuid , 0)
- MIPS_SYS(sys_stime , 1) /* 4025 */
- MIPS_SYS(sys_ptrace , 4)
- MIPS_SYS(sys_alarm , 1)
- MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */
- MIPS_SYS(sys_pause , 0)
- MIPS_SYS(sys_utime , 2) /* 4030 */
- MIPS_SYS(sys_ni_syscall , 0)
- MIPS_SYS(sys_ni_syscall , 0)
- MIPS_SYS(sys_access , 2)
- MIPS_SYS(sys_nice , 1)
- MIPS_SYS(sys_ni_syscall , 0) /* 4035 */
- MIPS_SYS(sys_sync , 0)
- MIPS_SYS(sys_kill , 2)
- MIPS_SYS(sys_rename , 2)
- MIPS_SYS(sys_mkdir , 2)
- MIPS_SYS(sys_rmdir , 1) /* 4040 */
- MIPS_SYS(sys_dup , 1)
- MIPS_SYS(sys_pipe , 0)
- MIPS_SYS(sys_times , 1)
- MIPS_SYS(sys_ni_syscall , 0)
- MIPS_SYS(sys_brk , 1) /* 4045 */
- MIPS_SYS(sys_setgid , 1)
- MIPS_SYS(sys_getgid , 0)
- MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */
- MIPS_SYS(sys_geteuid , 0)
- MIPS_SYS(sys_getegid , 0) /* 4050 */
- MIPS_SYS(sys_acct , 0)
- MIPS_SYS(sys_umount , 2)
- MIPS_SYS(sys_ni_syscall , 0)
- MIPS_SYS(sys_ioctl , 3)
- MIPS_SYS(sys_fcntl , 3) /* 4055 */
- MIPS_SYS(sys_ni_syscall , 2)
- MIPS_SYS(sys_setpgid , 2)
- MIPS_SYS(sys_ni_syscall , 0)
- MIPS_SYS(sys_olduname , 1)
- MIPS_SYS(sys_umask , 1) /* 4060 */
- MIPS_SYS(sys_chroot , 1)
- MIPS_SYS(sys_ustat , 2)
- MIPS_SYS(sys_dup2 , 2)
- MIPS_SYS(sys_getppid , 0)
- MIPS_SYS(sys_getpgrp , 0) /* 4065 */
- MIPS_SYS(sys_setsid , 0)
- MIPS_SYS(sys_sigaction , 3)
- MIPS_SYS(sys_sgetmask , 0)
- MIPS_SYS(sys_ssetmask , 1)
- MIPS_SYS(sys_setreuid , 2) /* 4070 */
- MIPS_SYS(sys_setregid , 2)
- MIPS_SYS(sys_sigsuspend , 0)
- MIPS_SYS(sys_sigpending , 1)
- MIPS_SYS(sys_sethostname , 2)
- MIPS_SYS(sys_setrlimit , 2) /* 4075 */
- MIPS_SYS(sys_getrlimit , 2)
- MIPS_SYS(sys_getrusage , 2)
- MIPS_SYS(sys_gettimeofday, 2)
- MIPS_SYS(sys_settimeofday, 2)
- MIPS_SYS(sys_getgroups , 2) /* 4080 */
- MIPS_SYS(sys_setgroups , 2)
- MIPS_SYS(sys_ni_syscall , 0) /* old_select */
- MIPS_SYS(sys_symlink , 2)
- MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */
- MIPS_SYS(sys_readlink , 3) /* 4085 */
- MIPS_SYS(sys_uselib , 1)
- MIPS_SYS(sys_swapon , 2)
- MIPS_SYS(sys_reboot , 3)
- MIPS_SYS(old_readdir , 3)
- MIPS_SYS(old_mmap , 6) /* 4090 */
- MIPS_SYS(sys_munmap , 2)
- MIPS_SYS(sys_truncate , 2)
- MIPS_SYS(sys_ftruncate , 2)
- MIPS_SYS(sys_fchmod , 2)
- MIPS_SYS(sys_fchown , 3) /* 4095 */
- MIPS_SYS(sys_getpriority , 2)
- MIPS_SYS(sys_setpriority , 3)
- MIPS_SYS(sys_ni_syscall , 0)
- MIPS_SYS(sys_statfs , 2)
- MIPS_SYS(sys_fstatfs , 2) /* 4100 */
- MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */
- MIPS_SYS(sys_socketcall , 2)
- MIPS_SYS(sys_syslog , 3)
- MIPS_SYS(sys_setitimer , 3)
- MIPS_SYS(sys_getitimer , 2) /* 4105 */
- MIPS_SYS(sys_newstat , 2)
- MIPS_SYS(sys_newlstat , 2)
- MIPS_SYS(sys_newfstat , 2)
- MIPS_SYS(sys_uname , 1)
- MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */
- MIPS_SYS(sys_vhangup , 0)
- MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */
- MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */
- MIPS_SYS(sys_wait4 , 4)
- MIPS_SYS(sys_swapoff , 1) /* 4115 */
- MIPS_SYS(sys_sysinfo , 1)
- MIPS_SYS(sys_ipc , 6)
- MIPS_SYS(sys_fsync , 1)
- MIPS_SYS(sys_sigreturn , 0)
- MIPS_SYS(sys_clone , 0) /* 4120 */
- MIPS_SYS(sys_setdomainname, 2)
- MIPS_SYS(sys_newuname , 1)
- MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */
- MIPS_SYS(sys_adjtimex , 1)
- MIPS_SYS(sys_mprotect , 3) /* 4125 */
- MIPS_SYS(sys_sigprocmask , 3)
- MIPS_SYS(sys_ni_syscall , 0) /* was create_module */
- MIPS_SYS(sys_init_module , 5)
- MIPS_SYS(sys_delete_module, 1)
- MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */
- MIPS_SYS(sys_quotactl , 0)
- MIPS_SYS(sys_getpgid , 1)
- MIPS_SYS(sys_fchdir , 1)
- MIPS_SYS(sys_bdflush , 2)
- MIPS_SYS(sys_sysfs , 3) /* 4135 */
- MIPS_SYS(sys_personality , 1)
- MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */
- MIPS_SYS(sys_setfsuid , 1)
- MIPS_SYS(sys_setfsgid , 1)
- MIPS_SYS(sys_llseek , 5) /* 4140 */
- MIPS_SYS(sys_getdents , 3)
- MIPS_SYS(sys_select , 5)
- MIPS_SYS(sys_flock , 2)
- MIPS_SYS(sys_msync , 3)
- MIPS_SYS(sys_readv , 3) /* 4145 */
- MIPS_SYS(sys_writev , 3)
- MIPS_SYS(sys_cacheflush , 3)
- MIPS_SYS(sys_cachectl , 3)
- MIPS_SYS(sys_sysmips , 4)
- MIPS_SYS(sys_ni_syscall , 0) /* 4150 */
- MIPS_SYS(sys_getsid , 1)
- MIPS_SYS(sys_fdatasync , 0)
- MIPS_SYS(sys_sysctl , 1)
- MIPS_SYS(sys_mlock , 2)
- MIPS_SYS(sys_munlock , 2) /* 4155 */
- MIPS_SYS(sys_mlockall , 1)
- MIPS_SYS(sys_munlockall , 0)
- MIPS_SYS(sys_sched_setparam, 2)
- MIPS_SYS(sys_sched_getparam, 2)
- MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */
- MIPS_SYS(sys_sched_getscheduler, 1)
- MIPS_SYS(sys_sched_yield , 0)
- MIPS_SYS(sys_sched_get_priority_max, 1)
- MIPS_SYS(sys_sched_get_priority_min, 1)
- MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */
- MIPS_SYS(sys_nanosleep, 2)
- MIPS_SYS(sys_mremap , 4)
- MIPS_SYS(sys_accept , 3)
- MIPS_SYS(sys_bind , 3)
- MIPS_SYS(sys_connect , 3) /* 4170 */
- MIPS_SYS(sys_getpeername , 3)
- MIPS_SYS(sys_getsockname , 3)
- MIPS_SYS(sys_getsockopt , 5)
- MIPS_SYS(sys_listen , 2)
- MIPS_SYS(sys_recv , 4) /* 4175 */
- MIPS_SYS(sys_recvfrom , 6)
- MIPS_SYS(sys_recvmsg , 3)
- MIPS_SYS(sys_send , 4)
- MIPS_SYS(sys_sendmsg , 3)
- MIPS_SYS(sys_sendto , 6) /* 4180 */
- MIPS_SYS(sys_setsockopt , 5)
- MIPS_SYS(sys_shutdown , 2)
- MIPS_SYS(sys_socket , 3)
- MIPS_SYS(sys_socketpair , 4)
- MIPS_SYS(sys_setresuid , 3) /* 4185 */
- MIPS_SYS(sys_getresuid , 3)
- MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */
- MIPS_SYS(sys_poll , 3)
- MIPS_SYS(sys_nfsservctl , 3)
- MIPS_SYS(sys_setresgid , 3) /* 4190 */
- MIPS_SYS(sys_getresgid , 3)
- MIPS_SYS(sys_prctl , 5)
- MIPS_SYS(sys_rt_sigreturn, 0)
- MIPS_SYS(sys_rt_sigaction, 4)
- MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */
- MIPS_SYS(sys_rt_sigpending, 2)
- MIPS_SYS(sys_rt_sigtimedwait, 4)
- MIPS_SYS(sys_rt_sigqueueinfo, 3)
- MIPS_SYS(sys_rt_sigsuspend, 0)
- MIPS_SYS(sys_pread64 , 6) /* 4200 */
- MIPS_SYS(sys_pwrite64 , 6)
- MIPS_SYS(sys_chown , 3)
- MIPS_SYS(sys_getcwd , 2)
- MIPS_SYS(sys_capget , 2)
- MIPS_SYS(sys_capset , 2) /* 4205 */
- MIPS_SYS(sys_sigaltstack , 0)
- MIPS_SYS(sys_sendfile , 4)
- MIPS_SYS(sys_ni_syscall , 0)
- MIPS_SYS(sys_ni_syscall , 0)
- MIPS_SYS(sys_mmap2 , 6) /* 4210 */
- MIPS_SYS(sys_truncate64 , 4)
- MIPS_SYS(sys_ftruncate64 , 4)
- MIPS_SYS(sys_stat64 , 2)
- MIPS_SYS(sys_lstat64 , 2)
- MIPS_SYS(sys_fstat64 , 2) /* 4215 */
- MIPS_SYS(sys_pivot_root , 2)
- MIPS_SYS(sys_mincore , 3)
- MIPS_SYS(sys_madvise , 3)
- MIPS_SYS(sys_getdents64 , 3)
- MIPS_SYS(sys_fcntl64 , 3) /* 4220 */
- MIPS_SYS(sys_ni_syscall , 0)
- MIPS_SYS(sys_gettid , 0)
- MIPS_SYS(sys_readahead , 5)
- MIPS_SYS(sys_setxattr , 5)
- MIPS_SYS(sys_lsetxattr , 5) /* 4225 */
- MIPS_SYS(sys_fsetxattr , 5)
- MIPS_SYS(sys_getxattr , 4)
- MIPS_SYS(sys_lgetxattr , 4)
- MIPS_SYS(sys_fgetxattr , 4)
- MIPS_SYS(sys_listxattr , 3) /* 4230 */
- MIPS_SYS(sys_llistxattr , 3)
- MIPS_SYS(sys_flistxattr , 3)
- MIPS_SYS(sys_removexattr , 2)
- MIPS_SYS(sys_lremovexattr, 2)
- MIPS_SYS(sys_fremovexattr, 2) /* 4235 */
- MIPS_SYS(sys_tkill , 2)
- MIPS_SYS(sys_sendfile64 , 5)
- MIPS_SYS(sys_futex , 2)
- MIPS_SYS(sys_sched_setaffinity, 3)
- MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */
- MIPS_SYS(sys_io_setup , 2)
- MIPS_SYS(sys_io_destroy , 1)
- MIPS_SYS(sys_io_getevents, 5)
- MIPS_SYS(sys_io_submit , 3)
- MIPS_SYS(sys_io_cancel , 3) /* 4245 */
- MIPS_SYS(sys_exit_group , 1)
- MIPS_SYS(sys_lookup_dcookie, 3)
- MIPS_SYS(sys_epoll_create, 1)
- MIPS_SYS(sys_epoll_ctl , 4)
- MIPS_SYS(sys_epoll_wait , 3) /* 4250 */
- MIPS_SYS(sys_remap_file_pages, 5)
- MIPS_SYS(sys_set_tid_address, 1)
- MIPS_SYS(sys_restart_syscall, 0)
- MIPS_SYS(sys_fadvise64_64, 7)
- MIPS_SYS(sys_statfs64 , 3) /* 4255 */
- MIPS_SYS(sys_fstatfs64 , 2)
- MIPS_SYS(sys_timer_create, 3)
- MIPS_SYS(sys_timer_settime, 4)
- MIPS_SYS(sys_timer_gettime, 2)
- MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */
- MIPS_SYS(sys_timer_delete, 1)
- MIPS_SYS(sys_clock_settime, 2)
- MIPS_SYS(sys_clock_gettime, 2)
- MIPS_SYS(sys_clock_getres, 2)
- MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */
- MIPS_SYS(sys_tgkill , 3)
- MIPS_SYS(sys_utimes , 2)
- MIPS_SYS(sys_mbind , 4)
- MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */
- MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */
- MIPS_SYS(sys_mq_open , 4)
- MIPS_SYS(sys_mq_unlink , 1)
- MIPS_SYS(sys_mq_timedsend, 5)
- MIPS_SYS(sys_mq_timedreceive, 5)
- MIPS_SYS(sys_mq_notify , 2) /* 4275 */
- MIPS_SYS(sys_mq_getsetattr, 3)
- MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */
- MIPS_SYS(sys_waitid , 4)
- MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
- MIPS_SYS(sys_add_key , 5)
- MIPS_SYS(sys_request_key , 4)
- MIPS_SYS(sys_keyctl , 5)
-};
-
-#undef MIPS_SYS
-
-void cpu_loop(CPUMIPSState *env)
-{
- target_siginfo_t info;
- int trapnr, ret, nb_args;
- unsigned int syscall_num;
- target_ulong arg5, arg6, sp_reg;
-
- for(;;) {
- trapnr = cpu_mips_exec(env);
- switch(trapnr) {
- case EXCP_SYSCALL:
- {
- syscall_num = env->gpr[2] - 4000;
- env->PC += 4;
- if (syscall_num >= sizeof(mips_syscall_args)) {
- ret = -ENOSYS;
- } else {
- nb_args = mips_syscall_args[syscall_num];
- if (nb_args >= 5) {
- sp_reg = env->gpr[29];
- /* these arguments are taken from the stack */
- arg5 = tgetl(sp_reg + 16);
- if (nb_args >= 6) {
- arg6 = tgetl(sp_reg + 20);
- } else {
- arg6 = 0;
- }
- } else {
- arg5 = 0;
- arg6 = 0;
- }
- ret = do_syscall(env,
- env->gpr[2],
- env->gpr[4],
- env->gpr[5],
- env->gpr[6],
- env->gpr[7],
- arg5,
- arg6);
- }
- if ((unsigned int)ret >= (unsigned int)(-1133)) {
- env->gpr[7] = 1; /* error flag */
- ret = -ret;
- env->gpr[0] = ret;
- env->gpr[2] = ret;
- } else {
- env->gpr[7] = 0; /* error flag */
- env->gpr[2] = ret;
- }
- }
- break;
- case EXCP_CpU:
- case EXCP_RI:
- info.si_signo = TARGET_SIGILL;
- info.si_errno = 0;
- info.si_code = 0;
- queue_signal(info.si_signo, &info);
- break;
- case EXCP_INTERRUPT:
- /* just indicate that signals should be handled asap */
- break;
- default:
- // error:
- fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
- trapnr);
- cpu_dump_state(env, stderr, fprintf, 0);
- abort();
- }
- process_pending_signals(env);
- }
-}
-#endif
-
-#ifdef TARGET_SH4
-void cpu_loop (CPUState *env)
-{
- int trapnr, ret;
- target_siginfo_t info;
-
- while (1) {
- trapnr = cpu_sh4_exec (env);
-
- switch (trapnr) {
- case 0x160:
- ret = do_syscall(env,
- env->gregs[3],
- env->gregs[4],
- env->gregs[5],
- env->gregs[6],
- env->gregs[7],
- env->gregs[0],
- 0);
- env->gregs[0] = ret;
- env->pc += 2;
- break;
- case EXCP_DEBUG:
- {
- int sig;
-
- sig = gdb_handlesig (env, TARGET_SIGTRAP);
- if (sig)
- {
- info.si_signo = sig;
- info.si_errno = 0;
- info.si_code = TARGET_TRAP_BRKPT;
- queue_signal(info.si_signo, &info);
- }
- }
- break;
- default:
- printf ("Unhandled trap: 0x%x\n", trapnr);
- cpu_dump_state(env, stderr, fprintf, 0);
- exit (1);
- }
- process_pending_signals (env);
- }
-}
-#endif
-
-void usage(void)
-{
- printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n"
- "usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] program [arguments...]\n"
- "Linux CPU emulator (compiled for %s emulation)\n"
- "\n"
- "-h print this help\n"
- "-g port wait gdb connection to port\n"
- "-L path set the elf interpreter prefix (default=%s)\n"
- "-s size set the stack size in bytes (default=%ld)\n"
- "\n"
- "debug options:\n"
-#ifdef USE_CODE_COPY
- "-no-code-copy disable code copy acceleration\n"
-#endif
- "-d options activate log (logfile=%s)\n"
- "-p pagesize set the host page size to 'pagesize'\n",
- TARGET_ARCH,
- interp_prefix,
- x86_stack_size,
- DEBUG_LOGFILE);
- _exit(1);
-}
-
-/* XXX: currently only used for async signals (see signal.c) */
-CPUState *global_env;
-
-/* used to free thread contexts */
-TaskState *first_task_state;
-
-int main(int argc, char **argv)
-{
- const char *filename;
- struct target_pt_regs regs1, *regs = &regs1;
- struct image_info info1, *info = &info1;
- TaskState ts1, *ts = &ts1;
- CPUState *env;
- int optind;
- const char *r;
- int gdbstub_port = 0;
-
- if (argc <= 1)
- usage();
-
- /* init debug */
- cpu_set_log_filename(DEBUG_LOGFILE);
-
- optind = 1;
- for(;;) {
- if (optind >= argc)
- break;
- r = argv[optind];
- if (r[0] != '-')
- break;
- optind++;
- r++;
- if (!strcmp(r, "-")) {
- break;
- } else if (!strcmp(r, "d")) {
- int mask;
- CPULogItem *item;
-
- if (optind >= argc)
- break;
-
- r = argv[optind++];
- mask = cpu_str_to_log_mask(r);
- 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);
- } else if (!strcmp(r, "s")) {
- r = argv[optind++];
- x86_stack_size = strtol(r, (char **)&r, 0);
- if (x86_stack_size <= 0)
- usage();
- if (*r == 'M')
- x86_stack_size *= 1024 * 1024;
- else if (*r == 'k' || *r == 'K')
- x86_stack_size *= 1024;
- } else if (!strcmp(r, "L")) {
- interp_prefix = argv[optind++];
- } else if (!strcmp(r, "p")) {
- qemu_host_page_size = atoi(argv[optind++]);
- if (qemu_host_page_size == 0 ||
- (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) {
- fprintf(stderr, "page size must be a power of two\n");
- exit(1);
- }
- } else if (!strcmp(r, "g")) {
- gdbstub_port = atoi(argv[optind++]);
- } else if (!strcmp(r, "r")) {
- qemu_uname_release = argv[optind++];
- } else
-#ifdef USE_CODE_COPY
- if (!strcmp(r, "no-code-copy")) {
- code_copy_enabled = 0;
- } else
-#endif
- {
- usage();
- }
- }
- if (optind >= argc)
- usage();
- filename = argv[optind];
-
- /* Zero out regs */
- memset(regs, 0, sizeof(struct target_pt_regs));
-
- /* Zero out image_info */
- memset(info, 0, sizeof(struct image_info));
-
- /* Scan interp_prefix dir for replacement files. */
- init_paths(interp_prefix);
-
- /* NOTE: we need to init the CPU at this stage to get
- qemu_host_page_size */
- env = cpu_init();
- global_env = env;
-
- if (loader_exec(filename, argv+optind, environ, regs, info) != 0) {
- printf("Error loading %s\n", filename);
- _exit(1);
- }
-
- if (loglevel) {
- page_dump(logfile);
-
- fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk);
- fprintf(logfile, "end_code 0x%08lx\n" , info->end_code);
- fprintf(logfile, "start_code 0x%08lx\n" , info->start_code);
- fprintf(logfile, "start_data 0x%08lx\n" , info->start_data);
- fprintf(logfile, "end_data 0x%08lx\n" , info->end_data);
- fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack);
- fprintf(logfile, "brk 0x%08lx\n" , info->brk);
- fprintf(logfile, "entry 0x%08lx\n" , info->entry);
- }
-
- target_set_brk(info->brk);
- syscall_init();
- signal_init();
-
- /* build Task State */
- memset(ts, 0, sizeof(TaskState));
- env->opaque = ts;
- ts->used = 1;
- ts->info = info;
- env->user_mode_only = 1;
-
-#if defined(TARGET_I386)
- cpu_x86_set_cpl(env, 3);
-
- env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
- env->hflags |= HF_PE_MASK;
- if (env->cpuid_features & CPUID_SSE) {
- env->cr[4] |= CR4_OSFXSR_MASK;
- env->hflags |= HF_OSFXSR_MASK;
- }
-
- /* flags setup : we activate the IRQs by default as in user mode */
- env->eflags |= IF_MASK;
-
- /* linux register setup */
- env->regs[R_EAX] = regs->eax;
- env->regs[R_EBX] = regs->ebx;
- env->regs[R_ECX] = regs->ecx;
- env->regs[R_EDX] = regs->edx;
- env->regs[R_ESI] = regs->esi;
- env->regs[R_EDI] = regs->edi;
- env->regs[R_EBP] = regs->ebp;
- env->regs[R_ESP] = regs->esp;
- env->eip = regs->eip;
-
- /* linux interrupt setup */
- env->idt.base = h2g(idt_table);
- env->idt.limit = sizeof(idt_table) - 1;
- set_idt(0, 0);
- set_idt(1, 0);
- set_idt(2, 0);
- set_idt(3, 3);
- set_idt(4, 3);
- set_idt(5, 3);
- set_idt(6, 0);
- set_idt(7, 0);
- set_idt(8, 0);
- set_idt(9, 0);
- set_idt(10, 0);
- set_idt(11, 0);
- set_idt(12, 0);
- set_idt(13, 0);
- set_idt(14, 0);
- set_idt(15, 0);
- set_idt(16, 0);
- set_idt(17, 0);
- set_idt(18, 0);
- set_idt(19, 0);
- set_idt(0x80, 3);
-
- /* linux segment setup */
- env->gdt.base = h2g(gdt_table);
- env->gdt.limit = sizeof(gdt_table) - 1;
- write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff,
- DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
- (3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT));
- write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff,
- DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK |
- (3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT));
- cpu_x86_load_seg(env, R_CS, __USER_CS);
- cpu_x86_load_seg(env, R_DS, __USER_DS);
- cpu_x86_load_seg(env, R_ES, __USER_DS);
- cpu_x86_load_seg(env, R_SS, __USER_DS);
- cpu_x86_load_seg(env, R_FS, __USER_DS);
- cpu_x86_load_seg(env, R_GS, __USER_DS);
-
-#elif defined(TARGET_ARM)
- {
- int i;
- cpu_arm_set_model(env, ARM_CPUID_ARM1026);
- cpsr_write(env, regs->uregs[16], 0xffffffff);
- for(i = 0; i < 16; i++) {
- env->regs[i] = regs->uregs[i];
- }
- ts->stack_base = info->start_stack;
- ts->heap_base = info->brk;
- /* This will be filled in on the first SYS_HEAPINFO call. */
- ts->heap_limit = 0;
- }
-#elif defined(TARGET_SPARC)
- {
- int i;
- env->pc = regs->pc;
- env->npc = regs->npc;
- env->y = regs->y;
- for(i = 0; i < 8; i++)
- env->gregs[i] = regs->u_regs[i];
- for(i = 0; i < 8; i++)
- env->regwptr[i] = regs->u_regs[i + 8];
- }
-#elif defined(TARGET_PPC)
- {
- ppc_def_t *def;
- int i;
-
- /* Choose and initialise CPU */
- /* XXX: CPU model (or PVR) should be provided on command line */
- // ppc_find_by_name("750gx", &def);
- // ppc_find_by_name("750fx", &def);
- // ppc_find_by_name("750p", &def);
- ppc_find_by_name("750", &def);
- // ppc_find_by_name("G3", &def);
- // ppc_find_by_name("604r", &def);
- // ppc_find_by_name("604e", &def);
- // ppc_find_by_name("604", &def);
- if (def == NULL) {
- cpu_abort(env,
- "Unable to find PowerPC CPU definition\n");
- }
- cpu_ppc_register(env, def);
-
- for (i = 0; i < 32; i++) {
- if (i != 12 && i != 6 && i != 13)
- env->msr[i] = (regs->msr >> i) & 1;
- }
- env->nip = regs->nip;
- for(i = 0; i < 32; i++) {
- env->gpr[i] = regs->gpr[i];
- }
- }
-#elif defined(TARGET_MIPS)
- {
- int i;
-
- for(i = 0; i < 32; i++) {
- env->gpr[i] = regs->regs[i];
- }
- env->PC = regs->cp0_epc;
-#ifdef MIPS_USES_FPU
- env->CP0_Status |= (1 << CP0St_CU1);
-#endif
- }
-#elif defined(TARGET_SH4)
- {
- int i;
-
- for(i = 0; i < 16; i++) {
- env->gregs[i] = regs->regs[i];
- }
- env->pc = regs->pc;
- }
-#else
-#error unsupported target CPU
-#endif
-
- if (gdbstub_port) {
- gdbserver_start (gdbstub_port);
- gdb_handlesig(env, 0);
- }
- cpu_loop(env);
- /* never exits */
- return 0;
-}
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