diff options
Diffstat (limited to 'linux-user/main.c')
| -rw-r--r-- | linux-user/main.c | 158 |
1 files changed, 76 insertions, 82 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index dee10841c3..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; } } @@ -685,7 +685,7 @@ void cpu_loop(CPUARMState *env) switch(trapnr) { case EXCP_UDEF: { - TaskState *ts = env->opaque; + TaskState *ts = cs->opaque; uint32_t opcode; int rc; @@ -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); @@ -1577,11 +1569,11 @@ void cpu_loop(CPUPPCState *env) /* Just go on */ break; case POWERPC_EXCP_CRITICAL: /* Critical input */ - cpu_abort(env, "Critical interrupt while in user mode. " + cpu_abort(cs, "Critical interrupt while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_MCHECK: /* Machine check exception */ - cpu_abort(env, "Machine check exception while in user mode. " + cpu_abort(cs, "Machine check exception while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_DSI: /* Data storage exception */ @@ -1645,7 +1637,7 @@ void cpu_loop(CPUPPCState *env) queue_signal(env, info.si_signo, &info); break; case POWERPC_EXCP_EXTERNAL: /* External input */ - cpu_abort(env, "External interrupt while in user mode. " + cpu_abort(cs, "External interrupt while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_ALIGN: /* Alignment exception */ @@ -1739,11 +1731,11 @@ void cpu_loop(CPUPPCState *env) } break; case POWERPC_EXCP_TRAP: - cpu_abort(env, "Tried to call a TRAP\n"); + cpu_abort(cs, "Tried to call a TRAP\n"); break; default: /* Should not happen ! */ - cpu_abort(env, "Unknown program exception (%02x)\n", + cpu_abort(cs, "Unknown program exception (%02x)\n", env->error_code); break; } @@ -1759,7 +1751,7 @@ void cpu_loop(CPUPPCState *env) queue_signal(env, info.si_signo, &info); break; case POWERPC_EXCP_SYSCALL: /* System call exception */ - cpu_abort(env, "Syscall exception while in user mode. " + cpu_abort(cs, "Syscall exception while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ @@ -1771,23 +1763,23 @@ void cpu_loop(CPUPPCState *env) queue_signal(env, info.si_signo, &info); break; case POWERPC_EXCP_DECR: /* Decrementer exception */ - cpu_abort(env, "Decrementer interrupt while in user mode. " + cpu_abort(cs, "Decrementer interrupt while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ - cpu_abort(env, "Fix interval timer interrupt while in user mode. " + cpu_abort(cs, "Fix interval timer interrupt while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */ - cpu_abort(env, "Watchdog timer interrupt while in user mode. " + cpu_abort(cs, "Watchdog timer interrupt while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_DTLB: /* Data TLB error */ - cpu_abort(env, "Data TLB exception while in user mode. " + cpu_abort(cs, "Data TLB exception while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_ITLB: /* Instruction TLB error */ - cpu_abort(env, "Instruction TLB exception while in user mode. " + cpu_abort(cs, "Instruction TLB exception while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */ @@ -1799,37 +1791,37 @@ void cpu_loop(CPUPPCState *env) queue_signal(env, info.si_signo, &info); break; case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */ - cpu_abort(env, "Embedded floating-point data IRQ not handled\n"); + cpu_abort(cs, "Embedded floating-point data IRQ not handled\n"); break; case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */ - cpu_abort(env, "Embedded floating-point round IRQ not handled\n"); + cpu_abort(cs, "Embedded floating-point round IRQ not handled\n"); break; case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */ - cpu_abort(env, "Performance monitor exception not handled\n"); + cpu_abort(cs, "Performance monitor exception not handled\n"); break; case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */ - cpu_abort(env, "Doorbell interrupt while in user mode. " + cpu_abort(cs, "Doorbell interrupt while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */ - cpu_abort(env, "Doorbell critical interrupt while in user mode. " + cpu_abort(cs, "Doorbell critical interrupt while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_RESET: /* System reset exception */ - cpu_abort(env, "Reset interrupt while in user mode. " + cpu_abort(cs, "Reset interrupt while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_DSEG: /* Data segment exception */ - cpu_abort(env, "Data segment exception while in user mode. " + cpu_abort(cs, "Data segment exception while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_ISEG: /* Instruction segment exception */ - cpu_abort(env, "Instruction segment exception " + cpu_abort(cs, "Instruction segment exception " "while in user mode. Aborting\n"); break; /* PowerPC 64 with hypervisor mode support */ case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ - cpu_abort(env, "Hypervisor decrementer interrupt " + cpu_abort(cs, "Hypervisor decrementer interrupt " "while in user mode. Aborting\n"); break; case POWERPC_EXCP_TRACE: /* Trace exception */ @@ -1839,19 +1831,19 @@ void cpu_loop(CPUPPCState *env) break; /* PowerPC 64 with hypervisor mode support */ case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ - cpu_abort(env, "Hypervisor data storage exception " + cpu_abort(cs, "Hypervisor data storage exception " "while in user mode. Aborting\n"); break; case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */ - cpu_abort(env, "Hypervisor instruction storage exception " + cpu_abort(cs, "Hypervisor instruction storage exception " "while in user mode. Aborting\n"); break; case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */ - cpu_abort(env, "Hypervisor data segment exception " + cpu_abort(cs, "Hypervisor data segment exception " "while in user mode. Aborting\n"); break; case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */ - cpu_abort(env, "Hypervisor instruction segment exception " + cpu_abort(cs, "Hypervisor instruction segment exception " "while in user mode. Aborting\n"); break; case POWERPC_EXCP_VPU: /* Vector unavailable exception */ @@ -1863,58 +1855,58 @@ void cpu_loop(CPUPPCState *env) queue_signal(env, info.si_signo, &info); break; case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */ - cpu_abort(env, "Programmable interval timer interrupt " + cpu_abort(cs, "Programmable interval timer interrupt " "while in user mode. Aborting\n"); break; case POWERPC_EXCP_IO: /* IO error exception */ - cpu_abort(env, "IO error exception while in user mode. " + cpu_abort(cs, "IO error exception while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_RUNM: /* Run mode exception */ - cpu_abort(env, "Run mode exception while in user mode. " + cpu_abort(cs, "Run mode exception while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_EMUL: /* Emulation trap exception */ - cpu_abort(env, "Emulation trap exception not handled\n"); + cpu_abort(cs, "Emulation trap exception not handled\n"); break; case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */ - cpu_abort(env, "Instruction fetch TLB exception " + cpu_abort(cs, "Instruction fetch TLB exception " "while in user-mode. Aborting"); break; case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ - cpu_abort(env, "Data load TLB exception while in user-mode. " + cpu_abort(cs, "Data load TLB exception while in user-mode. " "Aborting"); break; case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ - cpu_abort(env, "Data store TLB exception while in user-mode. " + cpu_abort(cs, "Data store TLB exception while in user-mode. " "Aborting"); break; case POWERPC_EXCP_FPA: /* Floating-point assist exception */ - cpu_abort(env, "Floating-point assist exception not handled\n"); + cpu_abort(cs, "Floating-point assist exception not handled\n"); break; case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ - cpu_abort(env, "Instruction address breakpoint exception " + cpu_abort(cs, "Instruction address breakpoint exception " "not handled\n"); break; case POWERPC_EXCP_SMI: /* System management interrupt */ - cpu_abort(env, "System management interrupt while in user mode. " + cpu_abort(cs, "System management interrupt while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_THERM: /* Thermal interrupt */ - cpu_abort(env, "Thermal interrupt interrupt while in user mode. " + cpu_abort(cs, "Thermal interrupt interrupt while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */ - cpu_abort(env, "Performance monitor exception not handled\n"); + cpu_abort(cs, "Performance monitor exception not handled\n"); break; case POWERPC_EXCP_VPUA: /* Vector assist exception */ - cpu_abort(env, "Vector assist exception not handled\n"); + cpu_abort(cs, "Vector assist exception not handled\n"); break; case POWERPC_EXCP_SOFTP: /* Soft patch exception */ - cpu_abort(env, "Soft patch exception not handled\n"); + cpu_abort(cs, "Soft patch exception not handled\n"); break; case POWERPC_EXCP_MAINT: /* Maintenance exception */ - cpu_abort(env, "Maintenance exception while in user mode. " + cpu_abort(cs, "Maintenance exception while in user mode. " "Aborting\n"); break; case POWERPC_EXCP_STOP: /* stop translation */ @@ -1970,7 +1962,7 @@ void cpu_loop(CPUPPCState *env) /* just indicate that signals should be handled asap */ break; default: - cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr); + cpu_abort(cs, "Unknown exception 0x%d. Aborting\n", trapnr); break; } process_pending_signals(env); @@ -2965,7 +2957,7 @@ void cpu_loop(CPUM68KState *env) int trapnr; unsigned int n; target_siginfo_t info; - TaskState *ts = env->opaque; + TaskState *ts = cs->opaque; for(;;) { trapnr = cpu_m68k_exec(env); @@ -3435,28 +3427,30 @@ void init_task_state(TaskState *ts) CPUArchState *cpu_copy(CPUArchState *env) { + CPUState *cpu = ENV_GET_CPU(env); CPUArchState *new_env = cpu_init(cpu_model); + CPUState *new_cpu = ENV_GET_CPU(new_env); #if defined(TARGET_HAS_ICE) CPUBreakpoint *bp; CPUWatchpoint *wp; #endif /* Reset non arch specific state */ - cpu_reset(ENV_GET_CPU(new_env)); + cpu_reset(new_cpu); memcpy(new_env, env, sizeof(CPUArchState)); /* Clone all break/watchpoints. Note: Once we support ptrace with hw-debug register access, make sure BP_CPU break/watchpoints are handled correctly on clone. */ - QTAILQ_INIT(&env->breakpoints); - QTAILQ_INIT(&env->watchpoints); + QTAILQ_INIT(&cpu->breakpoints); + QTAILQ_INIT(&cpu->watchpoints); #if defined(TARGET_HAS_ICE) - QTAILQ_FOREACH(bp, &env->breakpoints, entry) { - cpu_breakpoint_insert(new_env, bp->pc, bp->flags, NULL); + QTAILQ_FOREACH(bp, &cpu->breakpoints, entry) { + cpu_breakpoint_insert(new_cpu, bp->pc, bp->flags, NULL); } - QTAILQ_FOREACH(wp, &env->watchpoints, entry) { - cpu_watchpoint_insert(new_env, wp->vaddr, (~wp->len_mask) + 1, + QTAILQ_FOREACH(wp, &cpu->watchpoints, entry) { + cpu_watchpoint_insert(new_cpu, wp->vaddr, (~wp->len_mask) + 1, wp->flags, NULL); } #endif @@ -4001,7 +3995,7 @@ int main(int argc, char **argv, char **envp) /* build Task State */ ts->info = info; ts->bprm = &bprm; - env->opaque = ts; + cpu->opaque = ts; task_settid(ts); execfd = qemu_getauxval(AT_EXECFD); |