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better 16 bit code support

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@38 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-03-22 15:23:14 +00:00
parent e591824733
commit dab2ed991a
11 changed files with 597 additions and 218 deletions
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8
linux-user/main.c
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@ -179,7 +179,7 @@ int main(int argc, char **argv)
env->regs[R_EDI] = regs->edi;
env->regs[R_EBP] = regs->ebp;
env->regs[R_ESP] = regs->esp;
env->pc = regs->eip;
env->eip = regs->eip;
/* linux segment setup */
env->gdt.base = (void *)gdt_table;
@ -198,12 +198,12 @@ int main(int argc, char **argv)
uint8_t *pc;
err = cpu_x86_exec(env);
pc = env->seg_cache[R_CS].base + env->eip;
switch(err) {
case EXCP0D_GPF:
pc = (uint8_t *)env->pc;
if (pc[0] == 0xcd && pc[1] == 0x80) {
/* syscall */
env->pc += 2;
env->eip += 2;
env->regs[R_EAX] = do_syscall(env,
env->regs[R_EAX],
env->regs[R_EBX],
@ -219,7 +219,7 @@ int main(int argc, char **argv)
default:
trap_error:
fprintf(stderr, "0x%08lx: Unknown exception %d, aborting\n",
(long)env->pc, err);
(long)pc, err);
abort();
}
}