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syscall insn fix

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1199 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-01-04 01:06:58 +00:00
parent bdfaf503dc
commit 06c2f5066e
4 changed files with 7 additions and 7 deletions
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2
target-i386/exec.h
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@ -199,7 +199,7 @@ void helper_cpuid(void);
void helper_enter_level(int level, int data32);
void helper_sysenter(void);
void helper_sysexit(void);
void helper_syscall(void);
void helper_syscall(int next_eip_addend);
void helper_sysret(int dflag);
void helper_rdtsc(void);
void helper_rdmsr(void);

8
target-i386/helper.c
View file

@ -934,7 +934,7 @@ static void do_interrupt64(int intno, int is_int, int error_code,
env->eflags &= ~(TF_MASK | VM_MASK | RF_MASK | NT_MASK);
}
void helper_syscall(void)
void helper_syscall(int next_eip_addend)
{
int selector;
@ -943,7 +943,7 @@ void helper_syscall(void)
}
selector = (env->star >> 32) & 0xffff;
if (env->hflags & HF_LMA_MASK) {
ECX = env->eip;
ECX = env->eip + next_eip_addend;
env->regs[11] = compute_eflags();
cpu_x86_set_cpl(env, 0);
@ -963,7 +963,7 @@ void helper_syscall(void)
else
env->eip = env->cstar;
} else {
ECX = (uint32_t)env->eip;
ECX = (uint32_t)(env->eip + next_eip_addend);
cpu_x86_set_cpl(env, 0);
cpu_x86_load_seg_cache(env, R_CS, selector & 0xfffc,
@ -1119,8 +1119,8 @@ void do_interrupt(int intno, int is_int, int error_code,
fprintf(logfile, " EAX=" TARGET_FMT_lx, EAX);
}
fprintf(logfile, "\n");
cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP);
#if 0
cpu_dump_state(env, logfile, fprintf, X86_DUMP_CCOP);
{
int i;
uint8_t *ptr;

2
target-i386/op.c
View file

@ -938,7 +938,7 @@ void OPPROTO op_sysexit(void)
#ifdef TARGET_X86_64
void OPPROTO op_syscall(void)
{
helper_syscall();
helper_syscall(PARAM1);
}
void OPPROTO op_sysret(void)

2
target-i386/translate.c
View file

@ -4626,7 +4626,7 @@ static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
s->cc_op = CC_OP_DYNAMIC;
}
gen_jmp_im(pc_start - s->cs_base);
gen_op_syscall();
gen_op_syscall(s->pc - pc_start);
gen_eob(s);
break;
case 0x107: /* sysret */