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Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/main.c56
1 files changed, 24 insertions, 32 deletions
diff --git a/linux-user/main.c b/linux-user/main.c
index af924dcc9d..947358a886 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -483,17 +483,17 @@ static void arm_kernel_cmpxchg64_helper(CPUARMState *env)
addr = env->regs[2];
if (get_user_u64(oldval, env->regs[0])) {
- env->cp15.c6_data = env->regs[0];
+ env->exception.vaddress = env->regs[0];
goto segv;
};
if (get_user_u64(newval, env->regs[1])) {
- env->cp15.c6_data = env->regs[1];
+ env->exception.vaddress = env->regs[1];
goto segv;
};
if (get_user_u64(val, addr)) {
- env->cp15.c6_data = addr;
+ env->exception.vaddress = addr;
goto segv;
}
@@ -501,7 +501,7 @@ static void arm_kernel_cmpxchg64_helper(CPUARMState *env)
val = newval;
if (put_user_u64(val, addr)) {
- env->cp15.c6_data = addr;
+ env->exception.vaddress = addr;
goto segv;
};
@@ -523,7 +523,7 @@ segv:
info.si_errno = 0;
/* XXX: check env->error_code */
info.si_code = TARGET_SEGV_MAPERR;
- info._sifields._sigfault._addr = env->cp15.c6_data;
+ info._sifields._sigfault._addr = env->exception.vaddress;
queue_signal(env, info.si_signo, &info);
end_exclusive();
@@ -620,14 +620,14 @@ static int do_strex(CPUARMState *env)
abort();
}
if (segv) {
- env->cp15.c6_data = addr;
+ env->exception.vaddress = addr;
goto done;
}
if (size == 3) {
uint32_t valhi;
segv = get_user_u32(valhi, addr + 4);
if (segv) {
- env->cp15.c6_data = addr + 4;
+ env->exception.vaddress = addr + 4;
goto done;
}
val = deposit64(val, 32, 32, valhi);
@@ -650,14 +650,14 @@ static int do_strex(CPUARMState *env)
break;
}
if (segv) {
- env->cp15.c6_data = addr;
+ env->exception.vaddress = addr;
goto done;
}
if (size == 3) {
val = env->regs[(env->exclusive_info >> 12) & 0xf];
segv = put_user_u32(val, addr + 4);
if (segv) {
- env->cp15.c6_data = addr + 4;
+ env->exception.vaddress = addr + 4;
goto done;
}
}
@@ -832,12 +832,14 @@ void cpu_loop(CPUARMState *env)
case EXCP_INTERRUPT:
/* just indicate that signals should be handled asap */
break;
+ case EXCP_STREX:
+ if (!do_strex(env)) {
+ break;
+ }
+ /* fall through for segv */
case EXCP_PREFETCH_ABORT:
- addr = env->cp15.c6_insn;
- goto do_segv;
case EXCP_DATA_ABORT:
- addr = env->cp15.c6_data;
- do_segv:
+ addr = env->exception.vaddress;
{
info.si_signo = SIGSEGV;
info.si_errno = 0;
@@ -865,12 +867,6 @@ void cpu_loop(CPUARMState *env)
if (do_kernel_trap(env))
goto error;
break;
- case EXCP_STREX:
- if (do_strex(env)) {
- addr = env->cp15.c6_data;
- goto do_segv;
- }
- break;
default:
error:
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
@@ -933,7 +929,7 @@ static int do_strex_a64(CPUARMState *env)
abort();
}
if (segv) {
- env->cp15.c6_data = addr;
+ env->exception.vaddress = addr;
goto error;
}
if (val != env->exclusive_val) {
@@ -946,7 +942,7 @@ static int do_strex_a64(CPUARMState *env)
segv = get_user_u64(val, addr + 8);
}
if (segv) {
- env->cp15.c6_data = addr + (size == 2 ? 4 : 8);
+ env->exception.vaddress = addr + (size == 2 ? 4 : 8);
goto error;
}
if (val != env->exclusive_high) {
@@ -981,7 +977,7 @@ static int do_strex_a64(CPUARMState *env)
segv = put_user_u64(val, addr + 8);
}
if (segv) {
- env->cp15.c6_data = addr + (size == 2 ? 4 : 8);
+ env->exception.vaddress = addr + (size == 2 ? 4 : 8);
goto error;
}
}
@@ -1037,12 +1033,14 @@ void cpu_loop(CPUARMState *env)
info._sifields._sigfault._addr = env->pc;
queue_signal(env, info.si_signo, &info);
break;
+ case EXCP_STREX:
+ if (!do_strex_a64(env)) {
+ break;
+ }
+ /* fall through for segv */
case EXCP_PREFETCH_ABORT:
- addr = env->cp15.c6_insn;
- goto do_segv;
case EXCP_DATA_ABORT:
- addr = env->cp15.c6_data;
- do_segv:
+ addr = env->exception.vaddress;
info.si_signo = SIGSEGV;
info.si_errno = 0;
/* XXX: check env->error_code */
@@ -1060,12 +1058,6 @@ void cpu_loop(CPUARMState *env)
queue_signal(env, info.si_signo, &info);
}
break;
- case EXCP_STREX:
- if (do_strex_a64(env)) {
- addr = env->cp15.c6_data;
- goto do_segv;
- }
- break;
default:
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
trapnr);