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/*
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* qemu user main
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <stdarg.h> |
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#include <string.h> |
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#include <errno.h> |
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#include <unistd.h> |
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|
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#include "qemu.h" |
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|
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#define DEBUG_LOGFILE "/tmp/qemu.log" |
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|
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static const char *interp_prefix = CONFIG_QEMU_PREFIX; |
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|
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#if defined(__i386__) && !defined(CONFIG_STATIC)
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/* Force usage of an ELF interpreter even if it is an ELF shared
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object ! */
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const char interp[] __attribute__((section(".interp"))) = "/lib/ld-linux.so.2"; |
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#endif
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|
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/* for recent libc, we add these dummy symbols which are not declared
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when generating a linked object (bug in ld ?) */
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#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) |
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long __init_array_start[0]; |
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long __init_array_end[0]; |
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long __fini_array_start[0]; |
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long __fini_array_end[0]; |
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#endif
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|
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/* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
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we allocate a bigger stack. Need a better solution, for example
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by remapping the process stack directly at the right place */
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unsigned long x86_stack_size = 512 * 1024; |
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|
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void gemu_log(const char *fmt, ...) |
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{
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va_list ap; |
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|
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va_start(ap, fmt); |
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vfprintf(stderr, fmt, ap); |
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va_end(ap); |
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} |
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|
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#ifdef TARGET_I386
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/***********************************************************/
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/* CPUX86 core interface */
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|
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void cpu_x86_outb(CPUX86State *env, int addr, int val) |
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{
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fprintf(stderr, "outb: port=0x%04x, data=%02x\n", addr, val);
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} |
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|
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void cpu_x86_outw(CPUX86State *env, int addr, int val) |
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{
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fprintf(stderr, "outw: port=0x%04x, data=%04x\n", addr, val);
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} |
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|
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void cpu_x86_outl(CPUX86State *env, int addr, int val) |
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{
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fprintf(stderr, "outl: port=0x%04x, data=%08x\n", addr, val);
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} |
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|
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int cpu_x86_inb(CPUX86State *env, int addr) |
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{
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fprintf(stderr, "inb: port=0x%04x\n", addr);
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return 0; |
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} |
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|
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int cpu_x86_inw(CPUX86State *env, int addr) |
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{
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fprintf(stderr, "inw: port=0x%04x\n", addr);
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return 0; |
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} |
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|
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int cpu_x86_inl(CPUX86State *env, int addr) |
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{
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fprintf(stderr, "inl: port=0x%04x\n", addr);
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return 0; |
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} |
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|
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int cpu_x86_get_pic_interrupt(CPUX86State *env)
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{
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return -1; |
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} |
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|
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static void write_dt(void *ptr, unsigned long addr, unsigned long limit, |
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int flags)
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{
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unsigned int e1, e2; |
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e1 = (addr << 16) | (limit & 0xffff); |
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e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000); |
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e2 |= flags; |
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stl((uint8_t *)ptr, e1); |
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stl((uint8_t *)ptr + 4, e2);
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} |
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static void set_gate(void *ptr, unsigned int type, unsigned int dpl, |
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unsigned long addr, unsigned int sel) |
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{
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unsigned int e1, e2; |
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e1 = (addr & 0xffff) | (sel << 16); |
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e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); |
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stl((uint8_t *)ptr, e1); |
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stl((uint8_t *)ptr + 4, e2);
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} |
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uint64_t gdt_table[6];
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uint64_t idt_table[256];
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|
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/* only dpl matters as we do only user space emulation */
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static void set_idt(int n, unsigned int dpl) |
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{
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set_gate(idt_table + n, 0, dpl, 0, 0); |
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} |
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void cpu_loop(CPUX86State *env)
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{
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int trapnr;
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uint8_t *pc; |
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target_siginfo_t info; |
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|
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for(;;) {
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trapnr = cpu_x86_exec(env); |
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switch(trapnr) {
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case 0x80: |
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/* linux syscall */
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env->regs[R_EAX] = do_syscall(env, |
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env->regs[R_EAX], |
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env->regs[R_EBX], |
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env->regs[R_ECX], |
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env->regs[R_EDX], |
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env->regs[R_ESI], |
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env->regs[R_EDI], |
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env->regs[R_EBP]); |
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break;
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case EXCP0B_NOSEG:
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case EXCP0C_STACK:
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info.si_signo = SIGBUS; |
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info.si_errno = 0;
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info.si_code = TARGET_SI_KERNEL; |
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info._sifields._sigfault._addr = 0;
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queue_signal(info.si_signo, &info); |
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break;
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case EXCP0D_GPF:
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if (env->eflags & VM_MASK) {
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handle_vm86_fault(env); |
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} else {
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info.si_signo = SIGSEGV; |
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info.si_errno = 0;
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info.si_code = TARGET_SI_KERNEL; |
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info._sifields._sigfault._addr = 0;
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queue_signal(info.si_signo, &info); |
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} |
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break;
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case EXCP0E_PAGE:
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info.si_signo = SIGSEGV; |
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info.si_errno = 0;
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if (!(env->error_code & 1)) |
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info.si_code = TARGET_SEGV_MAPERR; |
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else
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info.si_code = TARGET_SEGV_ACCERR; |
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info._sifields._sigfault._addr = env->cr[2];
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queue_signal(info.si_signo, &info); |
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break;
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case EXCP00_DIVZ:
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if (env->eflags & VM_MASK) {
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handle_vm86_trap(env, trapnr); |
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} else {
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/* division by zero */
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info.si_signo = SIGFPE; |
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info.si_errno = 0;
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info.si_code = TARGET_FPE_INTDIV; |
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info._sifields._sigfault._addr = env->eip; |
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queue_signal(info.si_signo, &info); |
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} |
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break;
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case EXCP01_SSTP:
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case EXCP03_INT3:
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if (env->eflags & VM_MASK) {
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handle_vm86_trap(env, trapnr); |
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} else {
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info.si_signo = SIGTRAP; |
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info.si_errno = 0;
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if (trapnr == EXCP01_SSTP) {
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info.si_code = TARGET_TRAP_BRKPT; |
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info._sifields._sigfault._addr = env->eip; |
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} else {
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info.si_code = TARGET_SI_KERNEL; |
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info._sifields._sigfault._addr = 0;
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} |
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queue_signal(info.si_signo, &info); |
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} |
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break;
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case EXCP04_INTO:
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case EXCP05_BOUND:
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if (env->eflags & VM_MASK) {
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handle_vm86_trap(env, trapnr); |
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} else {
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info.si_signo = SIGSEGV; |
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info.si_errno = 0;
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info.si_code = TARGET_SI_KERNEL; |
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info._sifields._sigfault._addr = 0;
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queue_signal(info.si_signo, &info); |
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} |
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break;
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case EXCP06_ILLOP:
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info.si_signo = SIGILL; |
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info.si_errno = 0;
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info.si_code = TARGET_ILL_ILLOPN; |
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info._sifields._sigfault._addr = env->eip; |
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queue_signal(info.si_signo, &info); |
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break;
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case EXCP_INTERRUPT:
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/* just indicate that signals should be handled asap */
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break;
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default:
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pc = env->segs[R_CS].base + env->eip; |
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fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
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(long)pc, trapnr);
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abort(); |
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} |
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process_pending_signals(env); |
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} |
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} |
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#endif
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|
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#ifdef TARGET_ARM
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void cpu_loop(CPUARMState *env)
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{
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int trapnr;
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unsigned int n, insn; |
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target_siginfo_t info; |
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|
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for(;;) {
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trapnr = cpu_arm_exec(env); |
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switch(trapnr) {
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case EXCP_UDEF:
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info.si_signo = SIGILL; |
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info.si_errno = 0;
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info.si_code = TARGET_ILL_ILLOPN; |
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info._sifields._sigfault._addr = env->regs[15];
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queue_signal(info.si_signo, &info); |
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break;
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case EXCP_SWI:
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{
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/* system call */
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insn = ldl((void *)(env->regs[15] - 4)); |
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n = insn & 0xffffff;
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if (n >= ARM_SYSCALL_BASE) {
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/* linux syscall */
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n -= ARM_SYSCALL_BASE; |
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env->regs[0] = do_syscall(env,
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n, |
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env->regs[0],
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env->regs[1],
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env->regs[2],
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env->regs[3],
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env->regs[4],
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0);
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} else {
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goto error;
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} |
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} |
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break;
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case EXCP_INTERRUPT:
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/* just indicate that signals should be handled asap */
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break;
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default:
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error:
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fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
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trapnr); |
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cpu_arm_dump_state(env, stderr, 0);
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abort(); |
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} |
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process_pending_signals(env); |
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} |
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} |
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|
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#endif
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|
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#ifdef TARGET_SPARC
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|
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void cpu_loop (CPUSPARCState *env)
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{
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int trapnr;
|
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|
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while (1) { |
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trapnr = cpu_sparc_exec (env); |
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|
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switch (trapnr) {
|
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case 0x8: case 0x10: |
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env->regwptr[0] = do_syscall (env, env->gregs[1], |
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env->regwptr[0], env->regwptr[1], env->regwptr[2], |
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env->regwptr[3], env->regwptr[4], env->regwptr[13]); |
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if (env->regwptr[0] >= 0xffffffe0) |
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env->psr |= PSR_CARRY; |
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break;
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default:
|
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printf ("Invalid trap: %d\n", trapnr);
|
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exit (1);
|
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} |
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process_pending_signals (env); |
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} |
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} |
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|
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#endif
|
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|
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#ifdef TARGET_PPC
|
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|
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void cpu_loop(CPUPPCState *env)
|
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{
|
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int trapnr;
|
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target_siginfo_t info; |
| 333 |
|
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for(;;) {
|
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trapnr = cpu_ppc_exec(env); |
| 336 |
switch(trapnr) {
|
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case EXCP_NONE:
|
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case EXCP_INTERRUPT:
|
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case EXCP_MTMSR: /* mtmsr instruction: */ |
| 340 |
case EXCP_BRANCH: /* branch instruction */ |
| 341 |
/* Single step mode */
|
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break;
|
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#if 0
|
| 344 |
case EXCP_RESET: /* System reset */
|
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fprintf(stderr, "RESET asked... Stop emulation\n");
|
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cpu_ppc_dump_state(env, stderr, 0);
|
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abort();
|
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#endif
|
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case EXCP_MACHINE_CHECK: /* Machine check exception */ |
| 350 |
fprintf(stderr, "Machine check exeption... "
|
| 351 |
"See you in kernel code !\n");
|
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cpu_ppc_dump_state(env, stderr, 0);
|
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abort(); |
| 354 |
case EXCP_DSI: /* Impossible memory access */ |
| 355 |
fprintf(stderr, "Invalid memory access\n");
|
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info.si_signo = SIGSEGV; |
| 357 |
info.si_errno = 0;
|
| 358 |
info.si_code = TARGET_ILL_ILLOPN; |
| 359 |
info._sifields._sigfault._addr = env->nip; |
| 360 |
queue_signal(info.si_signo, &info); |
| 361 |
break;
|
| 362 |
case EXCP_ISI: /* Impossible instruction fetch */ |
| 363 |
fprintf(stderr, "Invalid instruction fetch\n");
|
| 364 |
info.si_signo = SIGBUS; |
| 365 |
info.si_errno = 0;
|
| 366 |
info.si_code = TARGET_ILL_ILLOPN; |
| 367 |
info._sifields._sigfault._addr = env->nip; |
| 368 |
queue_signal(info.si_signo, &info); |
| 369 |
break;
|
| 370 |
case EXCP_EXTERNAL: /* External interruption */ |
| 371 |
fprintf(stderr, "External access exeption\n");
|
| 372 |
cpu_ppc_dump_state(env, stderr, 0);
|
| 373 |
abort(); |
| 374 |
case EXCP_ALIGN: /* Alignment exception */ |
| 375 |
fprintf(stderr, "Alignment exception\n");
|
| 376 |
cpu_ppc_dump_state(env, stderr, 0);
|
| 377 |
abort(); |
| 378 |
case EXCP_PROGRAM: /* Program exception */ |
| 379 |
fprintf(stderr, "Program exception\n");
|
| 380 |
cpu_ppc_dump_state(env, stderr, 0);
|
| 381 |
abort(); |
| 382 |
break;
|
| 383 |
/* Trap */
|
| 384 |
case EXCP_TRAP: /* Trap */ |
| 385 |
case EXCP_TRACE: /* Trace exception (optional) */ |
| 386 |
info.si_signo = SIGTRAP; |
| 387 |
info.si_errno = 0;
|
| 388 |
info.si_code = TARGET_ILL_ILLOPN; |
| 389 |
info._sifields._sigfault._addr = env->nip; |
| 390 |
queue_signal(info.si_signo, &info); |
| 391 |
break;
|
| 392 |
/* Invalid instruction */
|
| 393 |
case EXCP_INVAL:
|
| 394 |
info.si_signo = SIGILL; |
| 395 |
info.si_errno = 0;
|
| 396 |
info.si_code = TARGET_ILL_ILLOPN; |
| 397 |
info._sifields._sigfault._addr = env->nip; |
| 398 |
queue_signal(info.si_signo, &info); |
| 399 |
break;
|
| 400 |
/* Privileged instruction */
|
| 401 |
case EXCP_PRIV: /* Privileged instruction */ |
| 402 |
info.si_signo = SIGILL; |
| 403 |
info.si_errno = 0;
|
| 404 |
info.si_code = TARGET_ILL_ILLOPN; |
| 405 |
info._sifields._sigfault._addr = env->nip; |
| 406 |
queue_signal(info.si_signo, &info); |
| 407 |
break;
|
| 408 |
case EXCP_NO_FP: /* No floating point */ |
| 409 |
case EXCP_DECR: /* Decrementer exception */ |
| 410 |
case EXCP_RESA: /* Implementation specific */ |
| 411 |
case EXCP_RESB: /* Implementation specific */ |
| 412 |
case EXCP_FP_ASSIST: /* Floating-point assist (optional) */ |
| 413 |
fprintf(stderr, "Misc expt...\n");
|
| 414 |
cpu_ppc_dump_state(env, stderr, 0);
|
| 415 |
abort(); |
| 416 |
|
| 417 |
case EXCP_SYSCALL:
|
| 418 |
{
|
| 419 |
uint32_t ret; |
| 420 |
/* system call */
|
| 421 |
/* WARNING:
|
| 422 |
* PPC ABI uses overflow flag in cr0 to signal an error
|
| 423 |
* in syscalls.
|
| 424 |
*/
|
| 425 |
env->crf[0] &= ~0x1; |
| 426 |
ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], |
| 427 |
env->gpr[5], env->gpr[6], env->gpr[7], |
| 428 |
env->gpr[8]);
|
| 429 |
if (ret > (uint32_t)(-515)) { |
| 430 |
env->crf[0] |= 0x1; |
| 431 |
ret = -ret; |
| 432 |
} |
| 433 |
env->gpr[3] = ret;
|
| 434 |
break;
|
| 435 |
} |
| 436 |
default:
|
| 437 |
// error:
|
| 438 |
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
|
| 439 |
trapnr); |
| 440 |
cpu_ppc_dump_state(env, stderr, 0);
|
| 441 |
abort(); |
| 442 |
} |
| 443 |
process_pending_signals(env); |
| 444 |
} |
| 445 |
} |
| 446 |
#endif
|
| 447 |
|
| 448 |
void usage(void) |
| 449 |
{
|
| 450 |
printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003 Fabrice Bellard\n" |
| 451 |
"usage: qemu-" TARGET_ARCH " [-h] [-d] [-L path] [-s size] program [arguments...]\n" |
| 452 |
"Linux CPU emulator (compiled for %s emulation)\n"
|
| 453 |
"\n"
|
| 454 |
"-h print this help\n"
|
| 455 |
"-L path set the elf interpreter prefix (default=%s)\n"
|
| 456 |
"-s size set the stack size in bytes (default=%ld)\n"
|
| 457 |
"\n"
|
| 458 |
"debug options:\n"
|
| 459 |
"-d activate log (logfile=%s)\n"
|
| 460 |
"-p pagesize set the host page size to 'pagesize'\n",
|
| 461 |
TARGET_ARCH, |
| 462 |
interp_prefix, |
| 463 |
x86_stack_size, |
| 464 |
DEBUG_LOGFILE); |
| 465 |
_exit(1);
|
| 466 |
} |
| 467 |
|
| 468 |
/* XXX: currently only used for async signals (see signal.c) */
|
| 469 |
CPUState *global_env; |
| 470 |
/* used only if single thread */
|
| 471 |
CPUState *cpu_single_env = NULL;
|
| 472 |
|
| 473 |
/* used to free thread contexts */
|
| 474 |
TaskState *first_task_state; |
| 475 |
|
| 476 |
int main(int argc, char **argv) |
| 477 |
{
|
| 478 |
const char *filename; |
| 479 |
struct target_pt_regs regs1, *regs = ®s1;
|
| 480 |
struct image_info info1, *info = &info1;
|
| 481 |
TaskState ts1, *ts = &ts1; |
| 482 |
CPUState *env; |
| 483 |
int optind;
|
| 484 |
const char *r; |
| 485 |
|
| 486 |
if (argc <= 1) |
| 487 |
usage(); |
| 488 |
|
| 489 |
/* init debug */
|
| 490 |
cpu_set_log_filename(DEBUG_LOGFILE); |
| 491 |
|
| 492 |
optind = 1;
|
| 493 |
for(;;) {
|
| 494 |
if (optind >= argc)
|
| 495 |
break;
|
| 496 |
r = argv[optind]; |
| 497 |
if (r[0] != '-') |
| 498 |
break;
|
| 499 |
optind++; |
| 500 |
r++; |
| 501 |
if (!strcmp(r, "-")) { |
| 502 |
break;
|
| 503 |
} else if (!strcmp(r, "d")) { |
| 504 |
cpu_set_log(CPU_LOG_ALL); |
| 505 |
} else if (!strcmp(r, "s")) { |
| 506 |
r = argv[optind++]; |
| 507 |
x86_stack_size = strtol(r, (char **)&r, 0); |
| 508 |
if (x86_stack_size <= 0) |
| 509 |
usage(); |
| 510 |
if (*r == 'M') |
| 511 |
x86_stack_size *= 1024 * 1024; |
| 512 |
else if (*r == 'k' || *r == 'K') |
| 513 |
x86_stack_size *= 1024;
|
| 514 |
} else if (!strcmp(r, "L")) { |
| 515 |
interp_prefix = argv[optind++]; |
| 516 |
} else if (!strcmp(r, "p")) { |
| 517 |
host_page_size = atoi(argv[optind++]); |
| 518 |
if (host_page_size == 0 || |
| 519 |
(host_page_size & (host_page_size - 1)) != 0) { |
| 520 |
fprintf(stderr, "page size must be a power of two\n");
|
| 521 |
exit(1);
|
| 522 |
} |
| 523 |
} else {
|
| 524 |
usage(); |
| 525 |
} |
| 526 |
} |
| 527 |
if (optind >= argc)
|
| 528 |
usage(); |
| 529 |
filename = argv[optind]; |
| 530 |
|
| 531 |
/* Zero out regs */
|
| 532 |
memset(regs, 0, sizeof(struct target_pt_regs)); |
| 533 |
|
| 534 |
/* Zero out image_info */
|
| 535 |
memset(info, 0, sizeof(struct image_info)); |
| 536 |
|
| 537 |
/* Scan interp_prefix dir for replacement files. */
|
| 538 |
init_paths(interp_prefix); |
| 539 |
|
| 540 |
/* NOTE: we need to init the CPU at this stage to get the
|
| 541 |
host_page_size */
|
| 542 |
env = cpu_init(); |
| 543 |
|
| 544 |
if (elf_exec(filename, argv+optind, environ, regs, info) != 0) { |
| 545 |
printf("Error loading %s\n", filename);
|
| 546 |
_exit(1);
|
| 547 |
} |
| 548 |
|
| 549 |
if (loglevel) {
|
| 550 |
page_dump(logfile); |
| 551 |
|
| 552 |
fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk);
|
| 553 |
fprintf(logfile, "end_code 0x%08lx\n" , info->end_code);
|
| 554 |
fprintf(logfile, "start_code 0x%08lx\n" , info->start_code);
|
| 555 |
fprintf(logfile, "end_data 0x%08lx\n" , info->end_data);
|
| 556 |
fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack);
|
| 557 |
fprintf(logfile, "brk 0x%08lx\n" , info->brk);
|
| 558 |
fprintf(logfile, "entry 0x%08lx\n" , info->entry);
|
| 559 |
} |
| 560 |
|
| 561 |
target_set_brk((char *)info->brk);
|
| 562 |
syscall_init(); |
| 563 |
signal_init(); |
| 564 |
|
| 565 |
global_env = env; |
| 566 |
|
| 567 |
/* build Task State */
|
| 568 |
memset(ts, 0, sizeof(TaskState)); |
| 569 |
env->opaque = ts; |
| 570 |
ts->used = 1;
|
| 571 |
env->user_mode_only = 1;
|
| 572 |
|
| 573 |
#if defined(TARGET_I386)
|
| 574 |
cpu_x86_set_cpl(env, 3);
|
| 575 |
|
| 576 |
env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
|
| 577 |
|
| 578 |
/* linux register setup */
|
| 579 |
env->regs[R_EAX] = regs->eax; |
| 580 |
env->regs[R_EBX] = regs->ebx; |
| 581 |
env->regs[R_ECX] = regs->ecx; |
| 582 |
env->regs[R_EDX] = regs->edx; |
| 583 |
env->regs[R_ESI] = regs->esi; |
| 584 |
env->regs[R_EDI] = regs->edi; |
| 585 |
env->regs[R_EBP] = regs->ebp; |
| 586 |
env->regs[R_ESP] = regs->esp; |
| 587 |
env->eip = regs->eip; |
| 588 |
|
| 589 |
/* linux interrupt setup */
|
| 590 |
env->idt.base = (void *)idt_table;
|
| 591 |
env->idt.limit = sizeof(idt_table) - 1; |
| 592 |
set_idt(0, 0); |
| 593 |
set_idt(1, 0); |
| 594 |
set_idt(2, 0); |
| 595 |
set_idt(3, 3); |
| 596 |
set_idt(4, 3); |
| 597 |
set_idt(5, 3); |
| 598 |
set_idt(6, 0); |
| 599 |
set_idt(7, 0); |
| 600 |
set_idt(8, 0); |
| 601 |
set_idt(9, 0); |
| 602 |
set_idt(10, 0); |
| 603 |
set_idt(11, 0); |
| 604 |
set_idt(12, 0); |
| 605 |
set_idt(13, 0); |
| 606 |
set_idt(14, 0); |
| 607 |
set_idt(15, 0); |
| 608 |
set_idt(16, 0); |
| 609 |
set_idt(17, 0); |
| 610 |
set_idt(18, 0); |
| 611 |
set_idt(19, 0); |
| 612 |
set_idt(0x80, 3); |
| 613 |
|
| 614 |
/* linux segment setup */
|
| 615 |
env->gdt.base = (void *)gdt_table;
|
| 616 |
env->gdt.limit = sizeof(gdt_table) - 1; |
| 617 |
write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, |
| 618 |
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | |
| 619 |
(3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); |
| 620 |
write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff, |
| 621 |
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | |
| 622 |
(3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT)); |
| 623 |
cpu_x86_load_seg(env, R_CS, __USER_CS); |
| 624 |
cpu_x86_load_seg(env, R_DS, __USER_DS); |
| 625 |
cpu_x86_load_seg(env, R_ES, __USER_DS); |
| 626 |
cpu_x86_load_seg(env, R_SS, __USER_DS); |
| 627 |
cpu_x86_load_seg(env, R_FS, __USER_DS); |
| 628 |
cpu_x86_load_seg(env, R_GS, __USER_DS); |
| 629 |
|
| 630 |
#elif defined(TARGET_ARM)
|
| 631 |
{
|
| 632 |
int i;
|
| 633 |
for(i = 0; i < 16; i++) { |
| 634 |
env->regs[i] = regs->uregs[i]; |
| 635 |
} |
| 636 |
env->cpsr = regs->uregs[16];
|
| 637 |
} |
| 638 |
#elif defined(TARGET_SPARC)
|
| 639 |
env->pc = regs->u_regs[0];
|
| 640 |
env->regwptr[6] = regs->u_regs[1]-0x40; |
| 641 |
#elif defined(TARGET_PPC)
|
| 642 |
{
|
| 643 |
int i;
|
| 644 |
for (i = 0; i < 32; i++) |
| 645 |
env->msr[i] = (regs->msr >> i) & 1;
|
| 646 |
env->nip = regs->nip; |
| 647 |
for(i = 0; i < 32; i++) { |
| 648 |
env->gpr[i] = regs->gpr[i]; |
| 649 |
} |
| 650 |
} |
| 651 |
#else
|
| 652 |
#error unsupported target CPU
|
| 653 |
#endif
|
| 654 |
|
| 655 |
cpu_loop(env); |
| 656 |
/* never exits */
|
| 657 |
return 0; |
| 658 |
} |