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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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#include "qemu.h" |
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#define DEBUG_LOGFILE "/tmp/qemu.log" |
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#ifdef __APPLE__
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#include <crt_externs.h> |
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# define environ (*_NSGetEnviron())
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#endif
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static const char *interp_prefix = CONFIG_QEMU_PREFIX; |
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const char *qemu_uname_release = CONFIG_UNAME_RELEASE; |
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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)) && !defined(CONFIG_STATIC) |
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long __preinit_array_start[0]; |
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long __preinit_array_end[0]; |
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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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void gemu_log(const char *fmt, ...) |
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{ |
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va_list ap; |
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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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void cpu_outb(CPUState *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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void cpu_outw(CPUState *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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void cpu_outl(CPUState *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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int cpu_inb(CPUState *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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int cpu_inw(CPUState *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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int cpu_inl(CPUState *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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int cpu_get_pic_interrupt(CPUState *env)
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{ |
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return -1; |
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} |
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/* timers for rdtsc */
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#if 0
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static uint64_t emu_time;
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int64_t cpu_get_real_ticks(void)
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{
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return emu_time++;
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}
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#endif
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#ifdef TARGET_I386
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/***********************************************************/
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/* CPUX86 core interface */
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void cpu_smm_update(CPUState *env)
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{ |
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} |
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uint64_t cpu_get_tsc(CPUX86State *env) |
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{ |
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return cpu_get_real_ticks();
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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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uint32_t *p; |
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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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p = ptr; |
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p[0] = tswapl(e1);
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p[1] = tswapl(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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uint32_t *p; |
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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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p = ptr; |
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p[0] = tswapl(e1);
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p[1] = tswapl(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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/* 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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target_ulong pc; |
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target_siginfo_t info; |
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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); |
205 |
} |
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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); |
220 |
} 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); |
233 |
} 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; |
239 |
} else {
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info.si_code = TARGET_SI_KERNEL; |
241 |
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); |
250 |
} else {
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info.si_signo = SIGSEGV; |
252 |
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; |
263 |
queue_signal(info.si_signo, &info); |
264 |
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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case EXCP_DEBUG:
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{ |
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int sig;
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sig = gdb_handlesig (env, TARGET_SIGTRAP); |
273 |
if (sig)
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{ |
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info.si_signo = sig; |
276 |
info.si_errno = 0;
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info.si_code = TARGET_TRAP_BRKPT; |
278 |
queue_signal(info.si_signo, &info); |
279 |
} |
280 |
} |
281 |
break;
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282 |
default:
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pc = env->segs[R_CS].base + env->eip; |
284 |
fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
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(long)pc, trapnr);
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abort(); |
287 |
} |
288 |
process_pending_signals(env); |
289 |
} |
290 |
} |
291 |
#endif
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|
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#ifdef TARGET_ARM
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294 |
|
295 |
/* XXX: find a better solution */
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extern void tb_invalidate_page_range(target_ulong start, target_ulong end); |
297 |
|
298 |
static void arm_cache_flush(target_ulong start, target_ulong last) |
299 |
{ |
300 |
target_ulong addr, last1; |
301 |
|
302 |
if (last < start)
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return;
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304 |
addr = start; |
305 |
for(;;) {
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306 |
last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
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307 |
if (last1 > last)
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last1 = last; |
309 |
tb_invalidate_page_range(addr, last1 + 1);
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310 |
if (last1 == last)
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break;
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312 |
addr = last1 + 1;
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} |
314 |
} |
315 |
|
316 |
void cpu_loop(CPUARMState *env)
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317 |
{ |
318 |
int trapnr;
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319 |
unsigned int n, insn; |
320 |
target_siginfo_t info; |
321 |
uint32_t addr; |
322 |
|
323 |
for(;;) {
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324 |
trapnr = cpu_arm_exec(env); |
325 |
switch(trapnr) {
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326 |
case EXCP_UDEF:
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327 |
{ |
328 |
TaskState *ts = env->opaque; |
329 |
uint32_t opcode; |
330 |
|
331 |
/* we handle the FPU emulation here, as Linux */
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332 |
/* we get the opcode */
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opcode = tget32(env->regs[15]);
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334 |
|
335 |
if (EmulateAll(opcode, &ts->fpa, env) == 0) { |
336 |
info.si_signo = SIGILL; |
337 |
info.si_errno = 0;
|
338 |
info.si_code = TARGET_ILL_ILLOPN; |
339 |
info._sifields._sigfault._addr = env->regs[15];
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340 |
queue_signal(info.si_signo, &info); |
341 |
} else {
|
342 |
/* increment PC */
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343 |
env->regs[15] += 4; |
344 |
} |
345 |
} |
346 |
break;
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347 |
case EXCP_SWI:
|
348 |
case EXCP_BKPT:
|
349 |
{ |
350 |
env->eabi = 1;
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351 |
/* system call */
|
352 |
if (trapnr == EXCP_BKPT) {
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353 |
if (env->thumb) {
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354 |
insn = tget16(env->regs[15]);
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355 |
n = insn & 0xff;
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356 |
env->regs[15] += 2; |
357 |
} else {
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358 |
insn = tget32(env->regs[15]);
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359 |
n = (insn & 0xf) | ((insn >> 4) & 0xff0); |
360 |
env->regs[15] += 4; |
361 |
} |
362 |
} else {
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363 |
if (env->thumb) {
|
364 |
insn = tget16(env->regs[15] - 2); |
365 |
n = insn & 0xff;
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366 |
} else {
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367 |
insn = tget32(env->regs[15] - 4); |
368 |
n = insn & 0xffffff;
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369 |
} |
370 |
} |
371 |
|
372 |
if (n == ARM_NR_cacheflush) {
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373 |
arm_cache_flush(env->regs[0], env->regs[1]); |
374 |
} else if (n == ARM_NR_semihosting |
375 |
|| n == ARM_NR_thumb_semihosting) { |
376 |
env->regs[0] = do_arm_semihosting (env);
|
377 |
} else if (n == 0 || n >= ARM_SYSCALL_BASE |
378 |
|| (env->thumb && n == ARM_THUMB_SYSCALL)) { |
379 |
/* linux syscall */
|
380 |
if (env->thumb || n == 0) { |
381 |
n = env->regs[7];
|
382 |
} else {
|
383 |
n -= ARM_SYSCALL_BASE; |
384 |
env->eabi = 0;
|
385 |
} |
386 |
env->regs[0] = do_syscall(env,
|
387 |
n, |
388 |
env->regs[0],
|
389 |
env->regs[1],
|
390 |
env->regs[2],
|
391 |
env->regs[3],
|
392 |
env->regs[4],
|
393 |
env->regs[5]);
|
394 |
} else {
|
395 |
goto error;
|
396 |
} |
397 |
} |
398 |
break;
|
399 |
case EXCP_INTERRUPT:
|
400 |
/* just indicate that signals should be handled asap */
|
401 |
break;
|
402 |
case EXCP_PREFETCH_ABORT:
|
403 |
addr = env->cp15.c6_data; |
404 |
goto do_segv;
|
405 |
case EXCP_DATA_ABORT:
|
406 |
addr = env->cp15.c6_insn; |
407 |
goto do_segv;
|
408 |
do_segv:
|
409 |
{ |
410 |
info.si_signo = SIGSEGV; |
411 |
info.si_errno = 0;
|
412 |
/* XXX: check env->error_code */
|
413 |
info.si_code = TARGET_SEGV_MAPERR; |
414 |
info._sifields._sigfault._addr = addr; |
415 |
queue_signal(info.si_signo, &info); |
416 |
} |
417 |
break;
|
418 |
case EXCP_DEBUG:
|
419 |
{ |
420 |
int sig;
|
421 |
|
422 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
423 |
if (sig)
|
424 |
{ |
425 |
info.si_signo = sig; |
426 |
info.si_errno = 0;
|
427 |
info.si_code = TARGET_TRAP_BRKPT; |
428 |
queue_signal(info.si_signo, &info); |
429 |
} |
430 |
} |
431 |
break;
|
432 |
default:
|
433 |
error:
|
434 |
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
|
435 |
trapnr); |
436 |
cpu_dump_state(env, stderr, fprintf, 0);
|
437 |
abort(); |
438 |
} |
439 |
process_pending_signals(env); |
440 |
} |
441 |
} |
442 |
|
443 |
#endif
|
444 |
|
445 |
#ifdef TARGET_SPARC
|
446 |
|
447 |
//#define DEBUG_WIN
|
448 |
|
449 |
/* WARNING: dealing with register windows _is_ complicated. More info
|
450 |
can be found at http://www.sics.se/~psm/sparcstack.html */
|
451 |
static inline int get_reg_index(CPUSPARCState *env, int cwp, int index) |
452 |
{ |
453 |
index = (index + cwp * 16) & (16 * NWINDOWS - 1); |
454 |
/* wrap handling : if cwp is on the last window, then we use the
|
455 |
registers 'after' the end */
|
456 |
if (index < 8 && env->cwp == (NWINDOWS - 1)) |
457 |
index += (16 * NWINDOWS);
|
458 |
return index;
|
459 |
} |
460 |
|
461 |
/* save the register window 'cwp1' */
|
462 |
static inline void save_window_offset(CPUSPARCState *env, int cwp1) |
463 |
{ |
464 |
unsigned int i; |
465 |
target_ulong sp_ptr; |
466 |
|
467 |
sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
|
468 |
#if defined(DEBUG_WIN)
|
469 |
printf("win_overflow: sp_ptr=0x%x save_cwp=%d\n",
|
470 |
(int)sp_ptr, cwp1);
|
471 |
#endif
|
472 |
for(i = 0; i < 16; i++) { |
473 |
tputl(sp_ptr, env->regbase[get_reg_index(env, cwp1, 8 + i)]);
|
474 |
sp_ptr += sizeof(target_ulong);
|
475 |
} |
476 |
} |
477 |
|
478 |
static void save_window(CPUSPARCState *env) |
479 |
{ |
480 |
#ifndef TARGET_SPARC64
|
481 |
unsigned int new_wim; |
482 |
new_wim = ((env->wim >> 1) | (env->wim << (NWINDOWS - 1))) & |
483 |
((1LL << NWINDOWS) - 1); |
484 |
save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1)); |
485 |
env->wim = new_wim; |
486 |
#else
|
487 |
save_window_offset(env, (env->cwp - 2) & (NWINDOWS - 1)); |
488 |
env->cansave++; |
489 |
env->canrestore--; |
490 |
#endif
|
491 |
} |
492 |
|
493 |
static void restore_window(CPUSPARCState *env) |
494 |
{ |
495 |
unsigned int new_wim, i, cwp1; |
496 |
target_ulong sp_ptr; |
497 |
|
498 |
new_wim = ((env->wim << 1) | (env->wim >> (NWINDOWS - 1))) & |
499 |
((1LL << NWINDOWS) - 1); |
500 |
|
501 |
/* restore the invalid window */
|
502 |
cwp1 = (env->cwp + 1) & (NWINDOWS - 1); |
503 |
sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
|
504 |
#if defined(DEBUG_WIN)
|
505 |
printf("win_underflow: sp_ptr=0x%x load_cwp=%d\n",
|
506 |
(int)sp_ptr, cwp1);
|
507 |
#endif
|
508 |
for(i = 0; i < 16; i++) { |
509 |
env->regbase[get_reg_index(env, cwp1, 8 + i)] = tgetl(sp_ptr);
|
510 |
sp_ptr += sizeof(target_ulong);
|
511 |
} |
512 |
env->wim = new_wim; |
513 |
#ifdef TARGET_SPARC64
|
514 |
env->canrestore++; |
515 |
if (env->cleanwin < NWINDOWS - 1) |
516 |
env->cleanwin++; |
517 |
env->cansave--; |
518 |
#endif
|
519 |
} |
520 |
|
521 |
static void flush_windows(CPUSPARCState *env) |
522 |
{ |
523 |
int offset, cwp1;
|
524 |
|
525 |
offset = 1;
|
526 |
for(;;) {
|
527 |
/* if restore would invoke restore_window(), then we can stop */
|
528 |
cwp1 = (env->cwp + offset) & (NWINDOWS - 1);
|
529 |
if (env->wim & (1 << cwp1)) |
530 |
break;
|
531 |
save_window_offset(env, cwp1); |
532 |
offset++; |
533 |
} |
534 |
/* set wim so that restore will reload the registers */
|
535 |
cwp1 = (env->cwp + 1) & (NWINDOWS - 1); |
536 |
env->wim = 1 << cwp1;
|
537 |
#if defined(DEBUG_WIN)
|
538 |
printf("flush_windows: nb=%d\n", offset - 1); |
539 |
#endif
|
540 |
} |
541 |
|
542 |
void cpu_loop (CPUSPARCState *env)
|
543 |
{ |
544 |
int trapnr, ret;
|
545 |
target_siginfo_t info; |
546 |
|
547 |
while (1) { |
548 |
trapnr = cpu_sparc_exec (env); |
549 |
|
550 |
switch (trapnr) {
|
551 |
#ifndef TARGET_SPARC64
|
552 |
case 0x88: |
553 |
case 0x90: |
554 |
#else
|
555 |
case 0x16d: |
556 |
#endif
|
557 |
ret = do_syscall (env, env->gregs[1],
|
558 |
env->regwptr[0], env->regwptr[1], |
559 |
env->regwptr[2], env->regwptr[3], |
560 |
env->regwptr[4], env->regwptr[5]); |
561 |
if ((unsigned int)ret >= (unsigned int)(-515)) { |
562 |
env->psr |= PSR_CARRY; |
563 |
ret = -ret; |
564 |
} else {
|
565 |
env->psr &= ~PSR_CARRY; |
566 |
} |
567 |
env->regwptr[0] = ret;
|
568 |
/* next instruction */
|
569 |
env->pc = env->npc; |
570 |
env->npc = env->npc + 4;
|
571 |
break;
|
572 |
case 0x83: /* flush windows */ |
573 |
flush_windows(env); |
574 |
/* next instruction */
|
575 |
env->pc = env->npc; |
576 |
env->npc = env->npc + 4;
|
577 |
break;
|
578 |
#ifndef TARGET_SPARC64
|
579 |
case TT_WIN_OVF: /* window overflow */ |
580 |
save_window(env); |
581 |
break;
|
582 |
case TT_WIN_UNF: /* window underflow */ |
583 |
restore_window(env); |
584 |
break;
|
585 |
case TT_TFAULT:
|
586 |
case TT_DFAULT:
|
587 |
{ |
588 |
info.si_signo = SIGSEGV; |
589 |
info.si_errno = 0;
|
590 |
/* XXX: check env->error_code */
|
591 |
info.si_code = TARGET_SEGV_MAPERR; |
592 |
info._sifields._sigfault._addr = env->mmuregs[4];
|
593 |
queue_signal(info.si_signo, &info); |
594 |
} |
595 |
break;
|
596 |
#else
|
597 |
case TT_SPILL: /* window overflow */ |
598 |
save_window(env); |
599 |
break;
|
600 |
case TT_FILL: /* window underflow */ |
601 |
restore_window(env); |
602 |
break;
|
603 |
// XXX
|
604 |
#endif
|
605 |
case EXCP_INTERRUPT:
|
606 |
/* just indicate that signals should be handled asap */
|
607 |
break;
|
608 |
case EXCP_DEBUG:
|
609 |
{ |
610 |
int sig;
|
611 |
|
612 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
613 |
if (sig)
|
614 |
{ |
615 |
info.si_signo = sig; |
616 |
info.si_errno = 0;
|
617 |
info.si_code = TARGET_TRAP_BRKPT; |
618 |
queue_signal(info.si_signo, &info); |
619 |
} |
620 |
} |
621 |
break;
|
622 |
default:
|
623 |
printf ("Unhandled trap: 0x%x\n", trapnr);
|
624 |
cpu_dump_state(env, stderr, fprintf, 0);
|
625 |
exit (1);
|
626 |
} |
627 |
process_pending_signals (env); |
628 |
} |
629 |
} |
630 |
|
631 |
#endif
|
632 |
|
633 |
#ifdef TARGET_PPC
|
634 |
|
635 |
static inline uint64_t cpu_ppc_get_tb (CPUState *env) |
636 |
{ |
637 |
/* TO FIX */
|
638 |
return 0; |
639 |
} |
640 |
|
641 |
uint32_t cpu_ppc_load_tbl (CPUState *env) |
642 |
{ |
643 |
return cpu_ppc_get_tb(env) & 0xFFFFFFFF; |
644 |
} |
645 |
|
646 |
uint32_t cpu_ppc_load_tbu (CPUState *env) |
647 |
{ |
648 |
return cpu_ppc_get_tb(env) >> 32; |
649 |
} |
650 |
|
651 |
static void cpu_ppc_store_tb (CPUState *env, uint64_t value) |
652 |
{ |
653 |
/* TO FIX */
|
654 |
} |
655 |
|
656 |
void cpu_ppc_store_tbu (CPUState *env, uint32_t value)
|
657 |
{ |
658 |
cpu_ppc_store_tb(env, ((uint64_t)value << 32) | cpu_ppc_load_tbl(env));
|
659 |
} |
660 |
|
661 |
void cpu_ppc_store_tbl (CPUState *env, uint32_t value)
|
662 |
{ |
663 |
cpu_ppc_store_tb(env, ((uint64_t)cpu_ppc_load_tbl(env) << 32) | value);
|
664 |
} |
665 |
|
666 |
uint32_t cpu_ppc_load_decr (CPUState *env) |
667 |
{ |
668 |
/* TO FIX */
|
669 |
return -1; |
670 |
} |
671 |
|
672 |
void cpu_ppc_store_decr (CPUState *env, uint32_t value)
|
673 |
{ |
674 |
/* TO FIX */
|
675 |
} |
676 |
|
677 |
void cpu_loop(CPUPPCState *env)
|
678 |
{ |
679 |
target_siginfo_t info; |
680 |
int trapnr;
|
681 |
uint32_t ret; |
682 |
|
683 |
for(;;) {
|
684 |
trapnr = cpu_ppc_exec(env); |
685 |
if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH &&
|
686 |
trapnr != EXCP_TRACE) { |
687 |
if (loglevel > 0) { |
688 |
cpu_dump_state(env, logfile, fprintf, 0);
|
689 |
} |
690 |
} |
691 |
switch(trapnr) {
|
692 |
case EXCP_NONE:
|
693 |
break;
|
694 |
case EXCP_SYSCALL_USER:
|
695 |
/* system call */
|
696 |
/* WARNING:
|
697 |
* PPC ABI uses overflow flag in cr0 to signal an error
|
698 |
* in syscalls.
|
699 |
*/
|
700 |
#if 0
|
701 |
printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
|
702 |
env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
|
703 |
#endif
|
704 |
env->crf[0] &= ~0x1; |
705 |
ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], |
706 |
env->gpr[5], env->gpr[6], env->gpr[7], |
707 |
env->gpr[8]);
|
708 |
if (ret > (uint32_t)(-515)) { |
709 |
env->crf[0] |= 0x1; |
710 |
ret = -ret; |
711 |
} |
712 |
env->gpr[3] = ret;
|
713 |
#if 0
|
714 |
printf("syscall returned 0x%08x (%d)\n", ret, ret);
|
715 |
#endif
|
716 |
break;
|
717 |
case EXCP_RESET:
|
718 |
/* Should not happen ! */
|
719 |
fprintf(stderr, "RESET asked... Stop emulation\n");
|
720 |
if (loglevel)
|
721 |
fprintf(logfile, "RESET asked... Stop emulation\n");
|
722 |
abort(); |
723 |
case EXCP_MACHINE_CHECK:
|
724 |
fprintf(stderr, "Machine check exeption... Stop emulation\n");
|
725 |
if (loglevel)
|
726 |
fprintf(logfile, "RESET asked... Stop emulation\n");
|
727 |
info.si_signo = TARGET_SIGBUS; |
728 |
info.si_errno = 0;
|
729 |
info.si_code = TARGET_BUS_OBJERR; |
730 |
info._sifields._sigfault._addr = env->nip - 4;
|
731 |
queue_signal(info.si_signo, &info); |
732 |
case EXCP_DSI:
|
733 |
fprintf(stderr, "Invalid data memory access: 0x%08x\n",
|
734 |
env->spr[SPR_DAR]); |
735 |
if (loglevel) {
|
736 |
fprintf(logfile, "Invalid data memory access: 0x%08x\n",
|
737 |
env->spr[SPR_DAR]); |
738 |
} |
739 |
switch (env->error_code & 0xFF000000) { |
740 |
case 0x40000000: |
741 |
info.si_signo = TARGET_SIGSEGV; |
742 |
info.si_errno = 0;
|
743 |
info.si_code = TARGET_SEGV_MAPERR; |
744 |
break;
|
745 |
case 0x04000000: |
746 |
info.si_signo = TARGET_SIGILL; |
747 |
info.si_errno = 0;
|
748 |
info.si_code = TARGET_ILL_ILLADR; |
749 |
break;
|
750 |
case 0x08000000: |
751 |
info.si_signo = TARGET_SIGSEGV; |
752 |
info.si_errno = 0;
|
753 |
info.si_code = TARGET_SEGV_ACCERR; |
754 |
break;
|
755 |
default:
|
756 |
/* Let's send a regular segfault... */
|
757 |
fprintf(stderr, "Invalid segfault errno (%02x)\n",
|
758 |
env->error_code); |
759 |
if (loglevel) {
|
760 |
fprintf(logfile, "Invalid segfault errno (%02x)\n",
|
761 |
env->error_code); |
762 |
} |
763 |
info.si_signo = TARGET_SIGSEGV; |
764 |
info.si_errno = 0;
|
765 |
info.si_code = TARGET_SEGV_MAPERR; |
766 |
break;
|
767 |
} |
768 |
info._sifields._sigfault._addr = env->nip; |
769 |
queue_signal(info.si_signo, &info); |
770 |
break;
|
771 |
case EXCP_ISI:
|
772 |
fprintf(stderr, "Invalid instruction fetch\n");
|
773 |
if (loglevel)
|
774 |
fprintf(logfile, "Invalid instruction fetch\n");
|
775 |
switch (env->error_code & 0xFF000000) { |
776 |
case 0x40000000: |
777 |
info.si_signo = TARGET_SIGSEGV; |
778 |
info.si_errno = 0;
|
779 |
info.si_code = TARGET_SEGV_MAPERR; |
780 |
break;
|
781 |
case 0x10000000: |
782 |
case 0x08000000: |
783 |
info.si_signo = TARGET_SIGSEGV; |
784 |
info.si_errno = 0;
|
785 |
info.si_code = TARGET_SEGV_ACCERR; |
786 |
break;
|
787 |
default:
|
788 |
/* Let's send a regular segfault... */
|
789 |
fprintf(stderr, "Invalid segfault errno (%02x)\n",
|
790 |
env->error_code); |
791 |
if (loglevel) {
|
792 |
fprintf(logfile, "Invalid segfault errno (%02x)\n",
|
793 |
env->error_code); |
794 |
} |
795 |
info.si_signo = TARGET_SIGSEGV; |
796 |
info.si_errno = 0;
|
797 |
info.si_code = TARGET_SEGV_MAPERR; |
798 |
break;
|
799 |
} |
800 |
info._sifields._sigfault._addr = env->nip - 4;
|
801 |
queue_signal(info.si_signo, &info); |
802 |
break;
|
803 |
case EXCP_EXTERNAL:
|
804 |
/* Should not happen ! */
|
805 |
fprintf(stderr, "External interruption... Stop emulation\n");
|
806 |
if (loglevel)
|
807 |
fprintf(logfile, "External interruption... Stop emulation\n");
|
808 |
abort(); |
809 |
case EXCP_ALIGN:
|
810 |
fprintf(stderr, "Invalid unaligned memory access\n");
|
811 |
if (loglevel)
|
812 |
fprintf(logfile, "Invalid unaligned memory access\n");
|
813 |
info.si_signo = TARGET_SIGBUS; |
814 |
info.si_errno = 0;
|
815 |
info.si_code = TARGET_BUS_ADRALN; |
816 |
info._sifields._sigfault._addr = env->nip - 4;
|
817 |
queue_signal(info.si_signo, &info); |
818 |
break;
|
819 |
case EXCP_PROGRAM:
|
820 |
switch (env->error_code & ~0xF) { |
821 |
case EXCP_FP:
|
822 |
fprintf(stderr, "Program exception\n");
|
823 |
if (loglevel)
|
824 |
fprintf(logfile, "Program exception\n");
|
825 |
/* Set FX */
|
826 |
env->fpscr[7] |= 0x8; |
827 |
/* Finally, update FEX */
|
828 |
if ((((env->fpscr[7] & 0x3) << 3) | (env->fpscr[6] >> 1)) & |
829 |
((env->fpscr[1] << 1) | (env->fpscr[0] >> 3))) |
830 |
env->fpscr[7] |= 0x4; |
831 |
info.si_signo = TARGET_SIGFPE; |
832 |
info.si_errno = 0;
|
833 |
switch (env->error_code & 0xF) { |
834 |
case EXCP_FP_OX:
|
835 |
info.si_code = TARGET_FPE_FLTOVF; |
836 |
break;
|
837 |
case EXCP_FP_UX:
|
838 |
info.si_code = TARGET_FPE_FLTUND; |
839 |
break;
|
840 |
case EXCP_FP_ZX:
|
841 |
case EXCP_FP_VXZDZ:
|
842 |
info.si_code = TARGET_FPE_FLTDIV; |
843 |
break;
|
844 |
case EXCP_FP_XX:
|
845 |
info.si_code = TARGET_FPE_FLTRES; |
846 |
break;
|
847 |
case EXCP_FP_VXSOFT:
|
848 |
info.si_code = TARGET_FPE_FLTINV; |
849 |
break;
|
850 |
case EXCP_FP_VXNAN:
|
851 |
case EXCP_FP_VXISI:
|
852 |
case EXCP_FP_VXIDI:
|
853 |
case EXCP_FP_VXIMZ:
|
854 |
case EXCP_FP_VXVC:
|
855 |
case EXCP_FP_VXSQRT:
|
856 |
case EXCP_FP_VXCVI:
|
857 |
info.si_code = TARGET_FPE_FLTSUB; |
858 |
break;
|
859 |
default:
|
860 |
fprintf(stderr, "Unknown floating point exception "
|
861 |
"(%02x)\n", env->error_code);
|
862 |
if (loglevel) {
|
863 |
fprintf(logfile, "Unknown floating point exception "
|
864 |
"(%02x)\n", env->error_code & 0xF); |
865 |
} |
866 |
} |
867 |
break;
|
868 |
case EXCP_INVAL:
|
869 |
fprintf(stderr, "Invalid instruction\n");
|
870 |
if (loglevel)
|
871 |
fprintf(logfile, "Invalid instruction\n");
|
872 |
info.si_signo = TARGET_SIGILL; |
873 |
info.si_errno = 0;
|
874 |
switch (env->error_code & 0xF) { |
875 |
case EXCP_INVAL_INVAL:
|
876 |
info.si_code = TARGET_ILL_ILLOPC; |
877 |
break;
|
878 |
case EXCP_INVAL_LSWX:
|
879 |
info.si_code = TARGET_ILL_ILLOPN; |
880 |
break;
|
881 |
case EXCP_INVAL_SPR:
|
882 |
info.si_code = TARGET_ILL_PRVREG; |
883 |
break;
|
884 |
case EXCP_INVAL_FP:
|
885 |
info.si_code = TARGET_ILL_COPROC; |
886 |
break;
|
887 |
default:
|
888 |
fprintf(stderr, "Unknown invalid operation (%02x)\n",
|
889 |
env->error_code & 0xF);
|
890 |
if (loglevel) {
|
891 |
fprintf(logfile, "Unknown invalid operation (%02x)\n",
|
892 |
env->error_code & 0xF);
|
893 |
} |
894 |
info.si_code = TARGET_ILL_ILLADR; |
895 |
break;
|
896 |
} |
897 |
break;
|
898 |
case EXCP_PRIV:
|
899 |
fprintf(stderr, "Privilege violation\n");
|
900 |
if (loglevel)
|
901 |
fprintf(logfile, "Privilege violation\n");
|
902 |
info.si_signo = TARGET_SIGILL; |
903 |
info.si_errno = 0;
|
904 |
switch (env->error_code & 0xF) { |
905 |
case EXCP_PRIV_OPC:
|
906 |
info.si_code = TARGET_ILL_PRVOPC; |
907 |
break;
|
908 |
case EXCP_PRIV_REG:
|
909 |
info.si_code = TARGET_ILL_PRVREG; |
910 |
break;
|
911 |
default:
|
912 |
fprintf(stderr, "Unknown privilege violation (%02x)\n",
|
913 |
env->error_code & 0xF);
|
914 |
info.si_code = TARGET_ILL_PRVOPC; |
915 |
break;
|
916 |
} |
917 |
break;
|
918 |
case EXCP_TRAP:
|
919 |
fprintf(stderr, "Tried to call a TRAP\n");
|
920 |
if (loglevel)
|
921 |
fprintf(logfile, "Tried to call a TRAP\n");
|
922 |
abort(); |
923 |
default:
|
924 |
/* Should not happen ! */
|
925 |
fprintf(stderr, "Unknown program exception (%02x)\n",
|
926 |
env->error_code); |
927 |
if (loglevel) {
|
928 |
fprintf(logfile, "Unknwon program exception (%02x)\n",
|
929 |
env->error_code); |
930 |
} |
931 |
abort(); |
932 |
} |
933 |
info._sifields._sigfault._addr = env->nip - 4;
|
934 |
queue_signal(info.si_signo, &info); |
935 |
break;
|
936 |
case EXCP_NO_FP:
|
937 |
fprintf(stderr, "No floating point allowed\n");
|
938 |
if (loglevel)
|
939 |
fprintf(logfile, "No floating point allowed\n");
|
940 |
info.si_signo = TARGET_SIGILL; |
941 |
info.si_errno = 0;
|
942 |
info.si_code = TARGET_ILL_COPROC; |
943 |
info._sifields._sigfault._addr = env->nip - 4;
|
944 |
queue_signal(info.si_signo, &info); |
945 |
break;
|
946 |
case EXCP_DECR:
|
947 |
/* Should not happen ! */
|
948 |
fprintf(stderr, "Decrementer exception\n");
|
949 |
if (loglevel)
|
950 |
fprintf(logfile, "Decrementer exception\n");
|
951 |
abort(); |
952 |
case EXCP_TRACE:
|
953 |
/* Do nothing: we use this to trace execution */
|
954 |
break;
|
955 |
case EXCP_FP_ASSIST:
|
956 |
/* Should not happen ! */
|
957 |
fprintf(stderr, "Floating point assist exception\n");
|
958 |
if (loglevel)
|
959 |
fprintf(logfile, "Floating point assist exception\n");
|
960 |
abort(); |
961 |
case EXCP_MTMSR:
|
962 |
/* We reloaded the msr, just go on */
|
963 |
if (msr_pr == 0) { |
964 |
fprintf(stderr, "Tried to go into supervisor mode !\n");
|
965 |
if (loglevel)
|
966 |
fprintf(logfile, "Tried to go into supervisor mode !\n");
|
967 |
abort(); |
968 |
} |
969 |
break;
|
970 |
case EXCP_BRANCH:
|
971 |
/* We stopped because of a jump... */
|
972 |
break;
|
973 |
case EXCP_INTERRUPT:
|
974 |
/* Don't know why this should ever happen... */
|
975 |
break;
|
976 |
case EXCP_DEBUG:
|
977 |
{ |
978 |
int sig;
|
979 |
|
980 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
981 |
if (sig)
|
982 |
{ |
983 |
info.si_signo = sig; |
984 |
info.si_errno = 0;
|
985 |
info.si_code = TARGET_TRAP_BRKPT; |
986 |
queue_signal(info.si_signo, &info); |
987 |
} |
988 |
} |
989 |
break;
|
990 |
default:
|
991 |
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
|
992 |
trapnr); |
993 |
if (loglevel) {
|
994 |
fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - "
|
995 |
"0x%02x - aborting\n", trapnr, env->error_code);
|
996 |
} |
997 |
abort(); |
998 |
} |
999 |
process_pending_signals(env); |
1000 |
} |
1001 |
} |
1002 |
#endif
|
1003 |
|
1004 |
#ifdef TARGET_MIPS
|
1005 |
|
1006 |
#define MIPS_SYS(name, args) args,
|
1007 |
|
1008 |
static const uint8_t mips_syscall_args[] = { |
1009 |
MIPS_SYS(sys_syscall , 0) /* 4000 */ |
1010 |
MIPS_SYS(sys_exit , 1)
|
1011 |
MIPS_SYS(sys_fork , 0)
|
1012 |
MIPS_SYS(sys_read , 3)
|
1013 |
MIPS_SYS(sys_write , 3)
|
1014 |
MIPS_SYS(sys_open , 3) /* 4005 */ |
1015 |
MIPS_SYS(sys_close , 1)
|
1016 |
MIPS_SYS(sys_waitpid , 3)
|
1017 |
MIPS_SYS(sys_creat , 2)
|
1018 |
MIPS_SYS(sys_link , 2)
|
1019 |
MIPS_SYS(sys_unlink , 1) /* 4010 */ |
1020 |
MIPS_SYS(sys_execve , 0)
|
1021 |
MIPS_SYS(sys_chdir , 1)
|
1022 |
MIPS_SYS(sys_time , 1)
|
1023 |
MIPS_SYS(sys_mknod , 3)
|
1024 |
MIPS_SYS(sys_chmod , 2) /* 4015 */ |
1025 |
MIPS_SYS(sys_lchown , 3)
|
1026 |
MIPS_SYS(sys_ni_syscall , 0)
|
1027 |
MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */ |
1028 |
MIPS_SYS(sys_lseek , 3)
|
1029 |
MIPS_SYS(sys_getpid , 0) /* 4020 */ |
1030 |
MIPS_SYS(sys_mount , 5)
|
1031 |
MIPS_SYS(sys_oldumount , 1)
|
1032 |
MIPS_SYS(sys_setuid , 1)
|
1033 |
MIPS_SYS(sys_getuid , 0)
|
1034 |
MIPS_SYS(sys_stime , 1) /* 4025 */ |
1035 |
MIPS_SYS(sys_ptrace , 4)
|
1036 |
MIPS_SYS(sys_alarm , 1)
|
1037 |
MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */ |
1038 |
MIPS_SYS(sys_pause , 0)
|
1039 |
MIPS_SYS(sys_utime , 2) /* 4030 */ |
1040 |
MIPS_SYS(sys_ni_syscall , 0)
|
1041 |
MIPS_SYS(sys_ni_syscall , 0)
|
1042 |
MIPS_SYS(sys_access , 2)
|
1043 |
MIPS_SYS(sys_nice , 1)
|
1044 |
MIPS_SYS(sys_ni_syscall , 0) /* 4035 */ |
1045 |
MIPS_SYS(sys_sync , 0)
|
1046 |
MIPS_SYS(sys_kill , 2)
|
1047 |
MIPS_SYS(sys_rename , 2)
|
1048 |
MIPS_SYS(sys_mkdir , 2)
|
1049 |
MIPS_SYS(sys_rmdir , 1) /* 4040 */ |
1050 |
MIPS_SYS(sys_dup , 1)
|
1051 |
MIPS_SYS(sys_pipe , 0)
|
1052 |
MIPS_SYS(sys_times , 1)
|
1053 |
MIPS_SYS(sys_ni_syscall , 0)
|
1054 |
MIPS_SYS(sys_brk , 1) /* 4045 */ |
1055 |
MIPS_SYS(sys_setgid , 1)
|
1056 |
MIPS_SYS(sys_getgid , 0)
|
1057 |
MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */ |
1058 |
MIPS_SYS(sys_geteuid , 0)
|
1059 |
MIPS_SYS(sys_getegid , 0) /* 4050 */ |
1060 |
MIPS_SYS(sys_acct , 0)
|
1061 |
MIPS_SYS(sys_umount , 2)
|
1062 |
MIPS_SYS(sys_ni_syscall , 0)
|
1063 |
MIPS_SYS(sys_ioctl , 3)
|
1064 |
MIPS_SYS(sys_fcntl , 3) /* 4055 */ |
1065 |
MIPS_SYS(sys_ni_syscall , 2)
|
1066 |
MIPS_SYS(sys_setpgid , 2)
|
1067 |
MIPS_SYS(sys_ni_syscall , 0)
|
1068 |
MIPS_SYS(sys_olduname , 1)
|
1069 |
MIPS_SYS(sys_umask , 1) /* 4060 */ |
1070 |
MIPS_SYS(sys_chroot , 1)
|
1071 |
MIPS_SYS(sys_ustat , 2)
|
1072 |
MIPS_SYS(sys_dup2 , 2)
|
1073 |
MIPS_SYS(sys_getppid , 0)
|
1074 |
MIPS_SYS(sys_getpgrp , 0) /* 4065 */ |
1075 |
MIPS_SYS(sys_setsid , 0)
|
1076 |
MIPS_SYS(sys_sigaction , 3)
|
1077 |
MIPS_SYS(sys_sgetmask , 0)
|
1078 |
MIPS_SYS(sys_ssetmask , 1)
|
1079 |
MIPS_SYS(sys_setreuid , 2) /* 4070 */ |
1080 |
MIPS_SYS(sys_setregid , 2)
|
1081 |
MIPS_SYS(sys_sigsuspend , 0)
|
1082 |
MIPS_SYS(sys_sigpending , 1)
|
1083 |
MIPS_SYS(sys_sethostname , 2)
|
1084 |
MIPS_SYS(sys_setrlimit , 2) /* 4075 */ |
1085 |
MIPS_SYS(sys_getrlimit , 2)
|
1086 |
MIPS_SYS(sys_getrusage , 2)
|
1087 |
MIPS_SYS(sys_gettimeofday, 2)
|
1088 |
MIPS_SYS(sys_settimeofday, 2)
|
1089 |
MIPS_SYS(sys_getgroups , 2) /* 4080 */ |
1090 |
MIPS_SYS(sys_setgroups , 2)
|
1091 |
MIPS_SYS(sys_ni_syscall , 0) /* old_select */ |
1092 |
MIPS_SYS(sys_symlink , 2)
|
1093 |
MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */ |
1094 |
MIPS_SYS(sys_readlink , 3) /* 4085 */ |
1095 |
MIPS_SYS(sys_uselib , 1)
|
1096 |
MIPS_SYS(sys_swapon , 2)
|
1097 |
MIPS_SYS(sys_reboot , 3)
|
1098 |
MIPS_SYS(old_readdir , 3)
|
1099 |
MIPS_SYS(old_mmap , 6) /* 4090 */ |
1100 |
MIPS_SYS(sys_munmap , 2)
|
1101 |
MIPS_SYS(sys_truncate , 2)
|
1102 |
MIPS_SYS(sys_ftruncate , 2)
|
1103 |
MIPS_SYS(sys_fchmod , 2)
|
1104 |
MIPS_SYS(sys_fchown , 3) /* 4095 */ |
1105 |
MIPS_SYS(sys_getpriority , 2)
|
1106 |
MIPS_SYS(sys_setpriority , 3)
|
1107 |
MIPS_SYS(sys_ni_syscall , 0)
|
1108 |
MIPS_SYS(sys_statfs , 2)
|
1109 |
MIPS_SYS(sys_fstatfs , 2) /* 4100 */ |
1110 |
MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */ |
1111 |
MIPS_SYS(sys_socketcall , 2)
|
1112 |
MIPS_SYS(sys_syslog , 3)
|
1113 |
MIPS_SYS(sys_setitimer , 3)
|
1114 |
MIPS_SYS(sys_getitimer , 2) /* 4105 */ |
1115 |
MIPS_SYS(sys_newstat , 2)
|
1116 |
MIPS_SYS(sys_newlstat , 2)
|
1117 |
MIPS_SYS(sys_newfstat , 2)
|
1118 |
MIPS_SYS(sys_uname , 1)
|
1119 |
MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */ |
1120 |
MIPS_SYS(sys_vhangup , 0)
|
1121 |
MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */ |
1122 |
MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */ |
1123 |
MIPS_SYS(sys_wait4 , 4)
|
1124 |
MIPS_SYS(sys_swapoff , 1) /* 4115 */ |
1125 |
MIPS_SYS(sys_sysinfo , 1)
|
1126 |
MIPS_SYS(sys_ipc , 6)
|
1127 |
MIPS_SYS(sys_fsync , 1)
|
1128 |
MIPS_SYS(sys_sigreturn , 0)
|
1129 |
MIPS_SYS(sys_clone , 0) /* 4120 */ |
1130 |
MIPS_SYS(sys_setdomainname, 2)
|
1131 |
MIPS_SYS(sys_newuname , 1)
|
1132 |
MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */ |
1133 |
MIPS_SYS(sys_adjtimex , 1)
|
1134 |
MIPS_SYS(sys_mprotect , 3) /* 4125 */ |
1135 |
MIPS_SYS(sys_sigprocmask , 3)
|
1136 |
MIPS_SYS(sys_ni_syscall , 0) /* was create_module */ |
1137 |
MIPS_SYS(sys_init_module , 5)
|
1138 |
MIPS_SYS(sys_delete_module, 1)
|
1139 |
MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */ |
1140 |
MIPS_SYS(sys_quotactl , 0)
|
1141 |
MIPS_SYS(sys_getpgid , 1)
|
1142 |
MIPS_SYS(sys_fchdir , 1)
|
1143 |
MIPS_SYS(sys_bdflush , 2)
|
1144 |
MIPS_SYS(sys_sysfs , 3) /* 4135 */ |
1145 |
MIPS_SYS(sys_personality , 1)
|
1146 |
MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */ |
1147 |
MIPS_SYS(sys_setfsuid , 1)
|
1148 |
MIPS_SYS(sys_setfsgid , 1)
|
1149 |
MIPS_SYS(sys_llseek , 5) /* 4140 */ |
1150 |
MIPS_SYS(sys_getdents , 3)
|
1151 |
MIPS_SYS(sys_select , 5)
|
1152 |
MIPS_SYS(sys_flock , 2)
|
1153 |
MIPS_SYS(sys_msync , 3)
|
1154 |
MIPS_SYS(sys_readv , 3) /* 4145 */ |
1155 |
MIPS_SYS(sys_writev , 3)
|
1156 |
MIPS_SYS(sys_cacheflush , 3)
|
1157 |
MIPS_SYS(sys_cachectl , 3)
|
1158 |
MIPS_SYS(sys_sysmips , 4)
|
1159 |
MIPS_SYS(sys_ni_syscall , 0) /* 4150 */ |
1160 |
MIPS_SYS(sys_getsid , 1)
|
1161 |
MIPS_SYS(sys_fdatasync , 0)
|
1162 |
MIPS_SYS(sys_sysctl , 1)
|
1163 |
MIPS_SYS(sys_mlock , 2)
|
1164 |
MIPS_SYS(sys_munlock , 2) /* 4155 */ |
1165 |
MIPS_SYS(sys_mlockall , 1)
|
1166 |
MIPS_SYS(sys_munlockall , 0)
|
1167 |
MIPS_SYS(sys_sched_setparam, 2)
|
1168 |
MIPS_SYS(sys_sched_getparam, 2)
|
1169 |
MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */ |
1170 |
MIPS_SYS(sys_sched_getscheduler, 1)
|
1171 |
MIPS_SYS(sys_sched_yield , 0)
|
1172 |
MIPS_SYS(sys_sched_get_priority_max, 1)
|
1173 |
MIPS_SYS(sys_sched_get_priority_min, 1)
|
1174 |
MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */ |
1175 |
MIPS_SYS(sys_nanosleep, 2)
|
1176 |
MIPS_SYS(sys_mremap , 4)
|
1177 |
MIPS_SYS(sys_accept , 3)
|
1178 |
MIPS_SYS(sys_bind , 3)
|
1179 |
MIPS_SYS(sys_connect , 3) /* 4170 */ |
1180 |
MIPS_SYS(sys_getpeername , 3)
|
1181 |
MIPS_SYS(sys_getsockname , 3)
|
1182 |
MIPS_SYS(sys_getsockopt , 5)
|
1183 |
MIPS_SYS(sys_listen , 2)
|
1184 |
MIPS_SYS(sys_recv , 4) /* 4175 */ |
1185 |
MIPS_SYS(sys_recvfrom , 6)
|
1186 |
MIPS_SYS(sys_recvmsg , 3)
|
1187 |
MIPS_SYS(sys_send , 4)
|
1188 |
MIPS_SYS(sys_sendmsg , 3)
|
1189 |
MIPS_SYS(sys_sendto , 6) /* 4180 */ |
1190 |
MIPS_SYS(sys_setsockopt , 5)
|
1191 |
MIPS_SYS(sys_shutdown , 2)
|
1192 |
MIPS_SYS(sys_socket , 3)
|
1193 |
MIPS_SYS(sys_socketpair , 4)
|
1194 |
MIPS_SYS(sys_setresuid , 3) /* 4185 */ |
1195 |
MIPS_SYS(sys_getresuid , 3)
|
1196 |
MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */ |
1197 |
MIPS_SYS(sys_poll , 3)
|
1198 |
MIPS_SYS(sys_nfsservctl , 3)
|
1199 |
MIPS_SYS(sys_setresgid , 3) /* 4190 */ |
1200 |
MIPS_SYS(sys_getresgid , 3)
|
1201 |
MIPS_SYS(sys_prctl , 5)
|
1202 |
MIPS_SYS(sys_rt_sigreturn, 0)
|
1203 |
MIPS_SYS(sys_rt_sigaction, 4)
|
1204 |
MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */ |
1205 |
MIPS_SYS(sys_rt_sigpending, 2)
|
1206 |
MIPS_SYS(sys_rt_sigtimedwait, 4)
|
1207 |
MIPS_SYS(sys_rt_sigqueueinfo, 3)
|
1208 |
MIPS_SYS(sys_rt_sigsuspend, 0)
|
1209 |
MIPS_SYS(sys_pread64 , 6) /* 4200 */ |
1210 |
MIPS_SYS(sys_pwrite64 , 6)
|
1211 |
MIPS_SYS(sys_chown , 3)
|
1212 |
MIPS_SYS(sys_getcwd , 2)
|
1213 |
MIPS_SYS(sys_capget , 2)
|
1214 |
MIPS_SYS(sys_capset , 2) /* 4205 */ |
1215 |
MIPS_SYS(sys_sigaltstack , 0)
|
1216 |
MIPS_SYS(sys_sendfile , 4)
|
1217 |
MIPS_SYS(sys_ni_syscall , 0)
|
1218 |
MIPS_SYS(sys_ni_syscall , 0)
|
1219 |
MIPS_SYS(sys_mmap2 , 6) /* 4210 */ |
1220 |
MIPS_SYS(sys_truncate64 , 4)
|
1221 |
MIPS_SYS(sys_ftruncate64 , 4)
|
1222 |
MIPS_SYS(sys_stat64 , 2)
|
1223 |
MIPS_SYS(sys_lstat64 , 2)
|
1224 |
MIPS_SYS(sys_fstat64 , 2) /* 4215 */ |
1225 |
MIPS_SYS(sys_pivot_root , 2)
|
1226 |
MIPS_SYS(sys_mincore , 3)
|
1227 |
MIPS_SYS(sys_madvise , 3)
|
1228 |
MIPS_SYS(sys_getdents64 , 3)
|
1229 |
MIPS_SYS(sys_fcntl64 , 3) /* 4220 */ |
1230 |
MIPS_SYS(sys_ni_syscall , 0)
|
1231 |
MIPS_SYS(sys_gettid , 0)
|
1232 |
MIPS_SYS(sys_readahead , 5)
|
1233 |
MIPS_SYS(sys_setxattr , 5)
|
1234 |
MIPS_SYS(sys_lsetxattr , 5) /* 4225 */ |
1235 |
MIPS_SYS(sys_fsetxattr , 5)
|
1236 |
MIPS_SYS(sys_getxattr , 4)
|
1237 |
MIPS_SYS(sys_lgetxattr , 4)
|
1238 |
MIPS_SYS(sys_fgetxattr , 4)
|
1239 |
MIPS_SYS(sys_listxattr , 3) /* 4230 */ |
1240 |
MIPS_SYS(sys_llistxattr , 3)
|
1241 |
MIPS_SYS(sys_flistxattr , 3)
|
1242 |
MIPS_SYS(sys_removexattr , 2)
|
1243 |
MIPS_SYS(sys_lremovexattr, 2)
|
1244 |
MIPS_SYS(sys_fremovexattr, 2) /* 4235 */ |
1245 |
MIPS_SYS(sys_tkill , 2)
|
1246 |
MIPS_SYS(sys_sendfile64 , 5)
|
1247 |
MIPS_SYS(sys_futex , 2)
|
1248 |
MIPS_SYS(sys_sched_setaffinity, 3)
|
1249 |
MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */ |
1250 |
MIPS_SYS(sys_io_setup , 2)
|
1251 |
MIPS_SYS(sys_io_destroy , 1)
|
1252 |
MIPS_SYS(sys_io_getevents, 5)
|
1253 |
MIPS_SYS(sys_io_submit , 3)
|
1254 |
MIPS_SYS(sys_io_cancel , 3) /* 4245 */ |
1255 |
MIPS_SYS(sys_exit_group , 1)
|
1256 |
MIPS_SYS(sys_lookup_dcookie, 3)
|
1257 |
MIPS_SYS(sys_epoll_create, 1)
|
1258 |
MIPS_SYS(sys_epoll_ctl , 4)
|
1259 |
MIPS_SYS(sys_epoll_wait , 3) /* 4250 */ |
1260 |
MIPS_SYS(sys_remap_file_pages, 5)
|
1261 |
MIPS_SYS(sys_set_tid_address, 1)
|
1262 |
MIPS_SYS(sys_restart_syscall, 0)
|
1263 |
MIPS_SYS(sys_fadvise64_64, 7)
|
1264 |
MIPS_SYS(sys_statfs64 , 3) /* 4255 */ |
1265 |
MIPS_SYS(sys_fstatfs64 , 2)
|
1266 |
MIPS_SYS(sys_timer_create, 3)
|
1267 |
MIPS_SYS(sys_timer_settime, 4)
|
1268 |
MIPS_SYS(sys_timer_gettime, 2)
|
1269 |
MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */ |
1270 |
MIPS_SYS(sys_timer_delete, 1)
|
1271 |
MIPS_SYS(sys_clock_settime, 2)
|
1272 |
MIPS_SYS(sys_clock_gettime, 2)
|
1273 |
MIPS_SYS(sys_clock_getres, 2)
|
1274 |
MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */ |
1275 |
MIPS_SYS(sys_tgkill , 3)
|
1276 |
MIPS_SYS(sys_utimes , 2)
|
1277 |
MIPS_SYS(sys_mbind , 4)
|
1278 |
MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */ |
1279 |
MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */ |
1280 |
MIPS_SYS(sys_mq_open , 4)
|
1281 |
MIPS_SYS(sys_mq_unlink , 1)
|
1282 |
MIPS_SYS(sys_mq_timedsend, 5)
|
1283 |
MIPS_SYS(sys_mq_timedreceive, 5)
|
1284 |
MIPS_SYS(sys_mq_notify , 2) /* 4275 */ |
1285 |
MIPS_SYS(sys_mq_getsetattr, 3)
|
1286 |
MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */ |
1287 |
MIPS_SYS(sys_waitid , 4)
|
1288 |
MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ |
1289 |
MIPS_SYS(sys_add_key , 5)
|
1290 |
MIPS_SYS(sys_request_key , 4)
|
1291 |
MIPS_SYS(sys_keyctl , 5)
|
1292 |
}; |
1293 |
|
1294 |
#undef MIPS_SYS
|
1295 |
|
1296 |
void cpu_loop(CPUMIPSState *env)
|
1297 |
{ |
1298 |
target_siginfo_t info; |
1299 |
int trapnr, ret, nb_args;
|
1300 |
unsigned int syscall_num; |
1301 |
target_ulong arg5, arg6, sp_reg; |
1302 |
|
1303 |
for(;;) {
|
1304 |
trapnr = cpu_mips_exec(env); |
1305 |
switch(trapnr) {
|
1306 |
case EXCP_SYSCALL:
|
1307 |
{ |
1308 |
syscall_num = env->gpr[2] - 4000; |
1309 |
env->PC += 4;
|
1310 |
if (syscall_num >= sizeof(mips_syscall_args)) { |
1311 |
ret = -ENOSYS; |
1312 |
} else {
|
1313 |
nb_args = mips_syscall_args[syscall_num]; |
1314 |
if (nb_args >= 5) { |
1315 |
sp_reg = env->gpr[29];
|
1316 |
/* these arguments are taken from the stack */
|
1317 |
arg5 = tgetl(sp_reg + 16);
|
1318 |
if (nb_args >= 6) { |
1319 |
arg6 = tgetl(sp_reg + 20);
|
1320 |
} else {
|
1321 |
arg6 = 0;
|
1322 |
} |
1323 |
} else {
|
1324 |
arg5 = 0;
|
1325 |
arg6 = 0;
|
1326 |
} |
1327 |
ret = do_syscall(env, |
1328 |
env->gpr[2],
|
1329 |
env->gpr[4],
|
1330 |
env->gpr[5],
|
1331 |
env->gpr[6],
|
1332 |
env->gpr[7],
|
1333 |
arg5, |
1334 |
arg6); |
1335 |
} |
1336 |
if ((unsigned int)ret >= (unsigned int)(-1133)) { |
1337 |
env->gpr[7] = 1; /* error flag */ |
1338 |
ret = -ret; |
1339 |
env->gpr[0] = ret;
|
1340 |
env->gpr[2] = ret;
|
1341 |
} else {
|
1342 |
env->gpr[7] = 0; /* error flag */ |
1343 |
env->gpr[2] = ret;
|
1344 |
} |
1345 |
} |
1346 |
break;
|
1347 |
case EXCP_CpU:
|
1348 |
case EXCP_RI:
|
1349 |
info.si_signo = TARGET_SIGILL; |
1350 |
info.si_errno = 0;
|
1351 |
info.si_code = 0;
|
1352 |
queue_signal(info.si_signo, &info); |
1353 |
break;
|
1354 |
case EXCP_INTERRUPT:
|
1355 |
/* just indicate that signals should be handled asap */
|
1356 |
break;
|
1357 |
default:
|
1358 |
// error:
|
1359 |
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
|
1360 |
trapnr); |
1361 |
cpu_dump_state(env, stderr, fprintf, 0);
|
1362 |
abort(); |
1363 |
} |
1364 |
process_pending_signals(env); |
1365 |
} |
1366 |
} |
1367 |
#endif
|
1368 |
|
1369 |
#ifdef TARGET_SH4
|
1370 |
void cpu_loop (CPUState *env)
|
1371 |
{ |
1372 |
int trapnr, ret;
|
1373 |
target_siginfo_t info; |
1374 |
|
1375 |
while (1) { |
1376 |
trapnr = cpu_sh4_exec (env); |
1377 |
|
1378 |
switch (trapnr) {
|
1379 |
case 0x160: |
1380 |
ret = do_syscall(env, |
1381 |
env->gregs[3],
|
1382 |
env->gregs[4],
|
1383 |
env->gregs[5],
|
1384 |
env->gregs[6],
|
1385 |
env->gregs[7],
|
1386 |
env->gregs[0],
|
1387 |
0);
|
1388 |
env->gregs[0] = ret;
|
1389 |
env->pc += 2;
|
1390 |
break;
|
1391 |
case EXCP_DEBUG:
|
1392 |
{ |
1393 |
int sig;
|
1394 |
|
1395 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
1396 |
if (sig)
|
1397 |
{ |
1398 |
info.si_signo = sig; |
1399 |
info.si_errno = 0;
|
1400 |
info.si_code = TARGET_TRAP_BRKPT; |
1401 |
queue_signal(info.si_signo, &info); |
1402 |
} |
1403 |
} |
1404 |
break;
|
1405 |
default:
|
1406 |
printf ("Unhandled trap: 0x%x\n", trapnr);
|
1407 |
cpu_dump_state(env, stderr, fprintf, 0);
|
1408 |
exit (1);
|
1409 |
} |
1410 |
process_pending_signals (env); |
1411 |
} |
1412 |
} |
1413 |
#endif
|
1414 |
|
1415 |
void usage(void) |
1416 |
{ |
1417 |
printf("qemu-" TARGET_ARCH " version " QEMU_VERSION ", Copyright (c) 2003-2005 Fabrice Bellard\n" |
1418 |
"usage: qemu-" TARGET_ARCH " [-h] [-g] [-d opts] [-L path] [-s size] program [arguments...]\n" |
1419 |
"Linux CPU emulator (compiled for %s emulation)\n"
|
1420 |
"\n"
|
1421 |
"-h print this help\n"
|
1422 |
"-g port wait gdb connection to port\n"
|
1423 |
"-L path set the elf interpreter prefix (default=%s)\n"
|
1424 |
"-s size set the stack size in bytes (default=%ld)\n"
|
1425 |
"\n"
|
1426 |
"debug options:\n"
|
1427 |
#ifdef USE_CODE_COPY
|
1428 |
"-no-code-copy disable code copy acceleration\n"
|
1429 |
#endif
|
1430 |
"-d options activate log (logfile=%s)\n"
|
1431 |
"-p pagesize set the host page size to 'pagesize'\n",
|
1432 |
TARGET_ARCH, |
1433 |
interp_prefix, |
1434 |
x86_stack_size, |
1435 |
DEBUG_LOGFILE); |
1436 |
_exit(1);
|
1437 |
} |
1438 |
|
1439 |
/* XXX: currently only used for async signals (see signal.c) */
|
1440 |
CPUState *global_env; |
1441 |
|
1442 |
/* used to free thread contexts */
|
1443 |
TaskState *first_task_state; |
1444 |
|
1445 |
int main(int argc, char **argv) |
1446 |
{ |
1447 |
const char *filename; |
1448 |
struct target_pt_regs regs1, *regs = ®s1;
|
1449 |
struct image_info info1, *info = &info1;
|
1450 |
TaskState ts1, *ts = &ts1; |
1451 |
CPUState *env; |
1452 |
int optind;
|
1453 |
const char *r; |
1454 |
int gdbstub_port = 0; |
1455 |
|
1456 |
if (argc <= 1) |
1457 |
usage(); |
1458 |
|
1459 |
/* init debug */
|
1460 |
cpu_set_log_filename(DEBUG_LOGFILE); |
1461 |
|
1462 |
optind = 1;
|
1463 |
for(;;) {
|
1464 |
if (optind >= argc)
|
1465 |
break;
|
1466 |
r = argv[optind]; |
1467 |
if (r[0] != '-') |
1468 |
break;
|
1469 |
optind++; |
1470 |
r++; |
1471 |
if (!strcmp(r, "-")) { |
1472 |
break;
|
1473 |
} else if (!strcmp(r, "d")) { |
1474 |
int mask;
|
1475 |
CPULogItem *item; |
1476 |
|
1477 |
if (optind >= argc)
|
1478 |
break;
|
1479 |
|
1480 |
r = argv[optind++]; |
1481 |
mask = cpu_str_to_log_mask(r); |
1482 |
if (!mask) {
|
1483 |
printf("Log items (comma separated):\n");
|
1484 |
for(item = cpu_log_items; item->mask != 0; item++) { |
1485 |
printf("%-10s %s\n", item->name, item->help);
|
1486 |
} |
1487 |
exit(1);
|
1488 |
} |
1489 |
cpu_set_log(mask); |
1490 |
} else if (!strcmp(r, "s")) { |
1491 |
r = argv[optind++]; |
1492 |
x86_stack_size = strtol(r, (char **)&r, 0); |
1493 |
if (x86_stack_size <= 0) |
1494 |
usage(); |
1495 |
if (*r == 'M') |
1496 |
x86_stack_size *= 1024 * 1024; |
1497 |
else if (*r == 'k' || *r == 'K') |
1498 |
x86_stack_size *= 1024;
|
1499 |
} else if (!strcmp(r, "L")) { |
1500 |
interp_prefix = argv[optind++]; |
1501 |
} else if (!strcmp(r, "p")) { |
1502 |
qemu_host_page_size = atoi(argv[optind++]); |
1503 |
if (qemu_host_page_size == 0 || |
1504 |
(qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { |
1505 |
fprintf(stderr, "page size must be a power of two\n");
|
1506 |
exit(1);
|
1507 |
} |
1508 |
} else if (!strcmp(r, "g")) { |
1509 |
gdbstub_port = atoi(argv[optind++]); |
1510 |
} else if (!strcmp(r, "r")) { |
1511 |
qemu_uname_release = argv[optind++]; |
1512 |
} else
|
1513 |
#ifdef USE_CODE_COPY
|
1514 |
if (!strcmp(r, "no-code-copy")) { |
1515 |
code_copy_enabled = 0;
|
1516 |
} else
|
1517 |
#endif
|
1518 |
{ |
1519 |
usage(); |
1520 |
} |
1521 |
} |
1522 |
if (optind >= argc)
|
1523 |
usage(); |
1524 |
filename = argv[optind]; |
1525 |
|
1526 |
/* Zero out regs */
|
1527 |
memset(regs, 0, sizeof(struct target_pt_regs)); |
1528 |
|
1529 |
/* Zero out image_info */
|
1530 |
memset(info, 0, sizeof(struct image_info)); |
1531 |
|
1532 |
/* Scan interp_prefix dir for replacement files. */
|
1533 |
init_paths(interp_prefix); |
1534 |
|
1535 |
/* NOTE: we need to init the CPU at this stage to get
|
1536 |
qemu_host_page_size */
|
1537 |
env = cpu_init(); |
1538 |
global_env = env; |
1539 |
|
1540 |
if (loader_exec(filename, argv+optind, environ, regs, info) != 0) { |
1541 |
printf("Error loading %s\n", filename);
|
1542 |
_exit(1);
|
1543 |
} |
1544 |
|
1545 |
if (loglevel) {
|
1546 |
page_dump(logfile); |
1547 |
|
1548 |
fprintf(logfile, "start_brk 0x%08lx\n" , info->start_brk);
|
1549 |
fprintf(logfile, "end_code 0x%08lx\n" , info->end_code);
|
1550 |
fprintf(logfile, "start_code 0x%08lx\n" , info->start_code);
|
1551 |
fprintf(logfile, "start_data 0x%08lx\n" , info->start_data);
|
1552 |
fprintf(logfile, "end_data 0x%08lx\n" , info->end_data);
|
1553 |
fprintf(logfile, "start_stack 0x%08lx\n" , info->start_stack);
|
1554 |
fprintf(logfile, "brk 0x%08lx\n" , info->brk);
|
1555 |
fprintf(logfile, "entry 0x%08lx\n" , info->entry);
|
1556 |
} |
1557 |
|
1558 |
target_set_brk(info->brk); |
1559 |
syscall_init(); |
1560 |
signal_init(); |
1561 |
|
1562 |
/* build Task State */
|
1563 |
memset(ts, 0, sizeof(TaskState)); |
1564 |
env->opaque = ts; |
1565 |
ts->used = 1;
|
1566 |
ts->info = info; |
1567 |
env->user_mode_only = 1;
|
1568 |
|
1569 |
#if defined(TARGET_I386)
|
1570 |
cpu_x86_set_cpl(env, 3);
|
1571 |
|
1572 |
env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
|
1573 |
env->hflags |= HF_PE_MASK; |
1574 |
if (env->cpuid_features & CPUID_SSE) {
|
1575 |
env->cr[4] |= CR4_OSFXSR_MASK;
|
1576 |
env->hflags |= HF_OSFXSR_MASK; |
1577 |
} |
1578 |
|
1579 |
/* flags setup : we activate the IRQs by default as in user mode */
|
1580 |
env->eflags |= IF_MASK; |
1581 |
|
1582 |
/* linux register setup */
|
1583 |
env->regs[R_EAX] = regs->eax; |
1584 |
env->regs[R_EBX] = regs->ebx; |
1585 |
env->regs[R_ECX] = regs->ecx; |
1586 |
env->regs[R_EDX] = regs->edx; |
1587 |
env->regs[R_ESI] = regs->esi; |
1588 |
env->regs[R_EDI] = regs->edi; |
1589 |
env->regs[R_EBP] = regs->ebp; |
1590 |
env->regs[R_ESP] = regs->esp; |
1591 |
env->eip = regs->eip; |
1592 |
|
1593 |
/* linux interrupt setup */
|
1594 |
env->idt.base = h2g(idt_table); |
1595 |
env->idt.limit = sizeof(idt_table) - 1; |
1596 |
set_idt(0, 0); |
1597 |
set_idt(1, 0); |
1598 |
set_idt(2, 0); |
1599 |
set_idt(3, 3); |
1600 |
set_idt(4, 3); |
1601 |
set_idt(5, 3); |
1602 |
set_idt(6, 0); |
1603 |
set_idt(7, 0); |
1604 |
set_idt(8, 0); |
1605 |
set_idt(9, 0); |
1606 |
set_idt(10, 0); |
1607 |
set_idt(11, 0); |
1608 |
set_idt(12, 0); |
1609 |
set_idt(13, 0); |
1610 |
set_idt(14, 0); |
1611 |
set_idt(15, 0); |
1612 |
set_idt(16, 0); |
1613 |
set_idt(17, 0); |
1614 |
set_idt(18, 0); |
1615 |
set_idt(19, 0); |
1616 |
set_idt(0x80, 3); |
1617 |
|
1618 |
/* linux segment setup */
|
1619 |
env->gdt.base = h2g(gdt_table); |
1620 |
env->gdt.limit = sizeof(gdt_table) - 1; |
1621 |
write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, |
1622 |
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | |
1623 |
(3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); |
1624 |
write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff, |
1625 |
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | |
1626 |
(3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT)); |
1627 |
cpu_x86_load_seg(env, R_CS, __USER_CS); |
1628 |
cpu_x86_load_seg(env, R_DS, __USER_DS); |
1629 |
cpu_x86_load_seg(env, R_ES, __USER_DS); |
1630 |
cpu_x86_load_seg(env, R_SS, __USER_DS); |
1631 |
cpu_x86_load_seg(env, R_FS, __USER_DS); |
1632 |
cpu_x86_load_seg(env, R_GS, __USER_DS); |
1633 |
|
1634 |
#elif defined(TARGET_ARM)
|
1635 |
{ |
1636 |
int i;
|
1637 |
cpu_arm_set_model(env, ARM_CPUID_ARM1026); |
1638 |
cpsr_write(env, regs->uregs[16], 0xffffffff); |
1639 |
for(i = 0; i < 16; i++) { |
1640 |
env->regs[i] = regs->uregs[i]; |
1641 |
} |
1642 |
ts->stack_base = info->start_stack; |
1643 |
ts->heap_base = info->brk; |
1644 |
/* This will be filled in on the first SYS_HEAPINFO call. */
|
1645 |
ts->heap_limit = 0;
|
1646 |
} |
1647 |
#elif defined(TARGET_SPARC)
|
1648 |
{ |
1649 |
int i;
|
1650 |
env->pc = regs->pc; |
1651 |
env->npc = regs->npc; |
1652 |
env->y = regs->y; |
1653 |
for(i = 0; i < 8; i++) |
1654 |
env->gregs[i] = regs->u_regs[i]; |
1655 |
for(i = 0; i < 8; i++) |
1656 |
env->regwptr[i] = regs->u_regs[i + 8];
|
1657 |
} |
1658 |
#elif defined(TARGET_PPC)
|
1659 |
{ |
1660 |
ppc_def_t *def; |
1661 |
int i;
|
1662 |
|
1663 |
/* Choose and initialise CPU */
|
1664 |
/* XXX: CPU model (or PVR) should be provided on command line */
|
1665 |
// ppc_find_by_name("750gx", &def);
|
1666 |
// ppc_find_by_name("750fx", &def);
|
1667 |
// ppc_find_by_name("750p", &def);
|
1668 |
ppc_find_by_name("750", &def);
|
1669 |
// ppc_find_by_name("G3", &def);
|
1670 |
// ppc_find_by_name("604r", &def);
|
1671 |
// ppc_find_by_name("604e", &def);
|
1672 |
// ppc_find_by_name("604", &def);
|
1673 |
if (def == NULL) { |
1674 |
cpu_abort(env, |
1675 |
"Unable to find PowerPC CPU definition\n");
|
1676 |
} |
1677 |
cpu_ppc_register(env, def); |
1678 |
|
1679 |
for (i = 0; i < 32; i++) { |
1680 |
if (i != 12 && i != 6 && i != 13) |
1681 |
env->msr[i] = (regs->msr >> i) & 1;
|
1682 |
} |
1683 |
env->nip = regs->nip; |
1684 |
for(i = 0; i < 32; i++) { |
1685 |
env->gpr[i] = regs->gpr[i]; |
1686 |
} |
1687 |
} |
1688 |
#elif defined(TARGET_MIPS)
|
1689 |
{ |
1690 |
int i;
|
1691 |
|
1692 |
for(i = 0; i < 32; i++) { |
1693 |
env->gpr[i] = regs->regs[i]; |
1694 |
} |
1695 |
env->PC = regs->cp0_epc; |
1696 |
#ifdef MIPS_USES_FPU
|
1697 |
env->CP0_Status |= (1 << CP0St_CU1);
|
1698 |
#endif
|
1699 |
} |
1700 |
#elif defined(TARGET_SH4)
|
1701 |
{ |
1702 |
int i;
|
1703 |
|
1704 |
for(i = 0; i < 16; i++) { |
1705 |
env->gregs[i] = regs->regs[i]; |
1706 |
} |
1707 |
env->pc = regs->pc; |
1708 |
} |
1709 |
#else
|
1710 |
#error unsupported target CPU
|
1711 |
#endif
|
1712 |
|
1713 |
if (gdbstub_port) {
|
1714 |
gdbserver_start (gdbstub_port); |
1715 |
gdb_handlesig(env, 0);
|
1716 |
} |
1717 |
cpu_loop(env); |
1718 |
/* never exits */
|
1719 |
return 0; |
1720 |
} |