}
break;
+ case EXCP_SYSCALL:
+ /* doesn't do anything */
+ break;
+
case EXCP_INTERRUPT:
/* just indicate that signals should be handled asap */
break;
switch(trapnr) {
case 0x80:
+#ifndef TARGET_X86_64
+ case EXCP_SYSCALL:
+#endif
/* linux syscall from int $0x80 */
ret = do_syscall(env,
env->regs[R_EAX],
env->regs[R_EAX] = ret;
}
break;
-#ifndef TARGET_ABI32
+#ifdef TARGET_X86_64
case EXCP_SYSCALL:
- /* linux syscall from syscall instruction */
+ /* linux syscall from syscall instruction. */
ret = do_syscall(env,
env->regs[R_EAX],
env->regs[R_EDI],
env->regs[R_EAX] = ret;
}
break;
-#endif
-#ifdef TARGET_X86_64
case EXCP_VSYSCALL:
emulate_vsyscall(env);
break;
CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER */
#ifdef TARGET_X86_64
-#define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM)
+#define TCG_EXT2_X86_64_FEATURES CPUID_EXT2_LM
#else
#define TCG_EXT2_X86_64_FEATURES 0
#endif
#define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \
- TCG_EXT2_X86_64_FEATURES)
+ CPUID_EXT2_SYSCALL | TCG_EXT2_X86_64_FEATURES)
#define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A | \
CPUID_EXT3_3DNOWPREFETCH)
DEF_HELPER_1(sysenter, void, env)
DEF_HELPER_2(sysexit, void, env, int)
-#ifdef TARGET_X86_64
DEF_HELPER_2(syscall, void, env, int)
DEF_HELPER_2(sysret, void, env, int)
-#endif
DEF_HELPER_FLAGS_2(pause, TCG_CALL_NO_WG, noreturn, env, int)
DEF_HELPER_FLAGS_3(raise_interrupt, TCG_CALL_NO_WG, noreturn, env, int, int)
DEF_HELPER_FLAGS_2(raise_exception, TCG_CALL_NO_WG, noreturn, env, int)
e2);
env->eip = offset;
}
+#endif /* TARGET_X86_64 */
void helper_sysret(CPUX86State *env, int dflag)
{
raise_exception_err_ra(env, EXCP0D_GPF, 0, GETPC());
}
selector = (env->star >> 48) & 0xffff;
+#ifdef TARGET_X86_64
if (env->hflags & HF_LMA_MASK) {
cpu_load_eflags(env, (uint32_t)(env->regs[11]), TF_MASK | AC_MASK
| ID_MASK | IF_MASK | IOPL_MASK | VM_MASK | RF_MASK |
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK |
DESC_S_MASK | (3 << DESC_DPL_SHIFT) |
DESC_W_MASK | DESC_A_MASK);
- } else {
+ } else
+#endif
+ {
env->eflags |= IF_MASK;
cpu_x86_load_seg_cache(env, R_CS, selector | 3,
0, 0xffffffff,
DESC_W_MASK | DESC_A_MASK);
}
}
-#endif /* TARGET_X86_64 */
/* real mode interrupt */
static void do_interrupt_real(CPUX86State *env, int intno, int is_int,
#include "tcg/helper-tcg.h"
#include "../seg_helper.h"
-#ifdef TARGET_X86_64
void helper_syscall(CPUX86State *env, int next_eip_addend)
{
int selector;
raise_exception_err_ra(env, EXCP06_ILLOP, 0, GETPC());
}
selector = (env->star >> 32) & 0xffff;
+#ifdef TARGET_X86_64
if (env->hflags & HF_LMA_MASK) {
int code64;
} else {
env->eip = env->cstar;
}
- } else {
+ } else
+#endif
+ {
env->regs[R_ECX] = (uint32_t)(env->eip + next_eip_addend);
env->eflags &= ~(IF_MASK | RF_MASK | VM_MASK);
env->eip = (uint32_t)env->star;
}
}
-#endif /* TARGET_X86_64 */
void handle_even_inj(CPUX86State *env, int intno, int is_int,
int error_code, int is_hw, int rm)
s->base.is_jmp = DISAS_EOB_ONLY;
}
break;
-#ifdef TARGET_X86_64
case 0x105: /* syscall */
/* For Intel SYSCALL is only valid in long mode */
if (!LMA(s) && env->cpuid_vendor1 == CPUID_VENDOR_INTEL_1) {
gen_eob_worker(s, false, true);
}
break;
-#endif
case 0x1a2: /* cpuid */
gen_update_cc_op(s);
gen_update_eip_cur(s);
#include "tcg/helper-tcg.h"
#include "tcg/seg_helper.h"
-#ifdef TARGET_X86_64
void helper_syscall(CPUX86State *env, int next_eip_addend)
{
CPUState *cs = env_cpu(env);
env->exception_next_eip = env->eip + next_eip_addend;
cpu_loop_exit(cs);
}
-#endif /* TARGET_X86_64 */
/*
* fake user mode interrupt. is_int is TRUE if coming from the int