diff options
Diffstat (limited to 'linux-user')
-rw-r--r-- | linux-user/main.c | 56 |
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); |