Revision e1833e1f linux-user/main.c
| b/linux-user/main.c | ||
|---|---|---|
| 723 | 723 |
return -1; |
| 724 | 724 |
} |
| 725 | 725 |
|
| 726 |
#define EXCP_DUMP(env, fmt, args...) \ |
|
| 727 |
do { \
|
|
| 728 |
fprintf(stderr, fmt , ##args); \ |
|
| 729 |
cpu_dump_state(env, stderr, fprintf, 0); \ |
|
| 730 |
if (loglevel != 0) { \
|
|
| 731 |
fprintf(logfile, fmt , ##args); \ |
|
| 732 |
cpu_dump_state(env, logfile, fprintf, 0); \ |
|
| 733 |
} \ |
|
| 734 |
} while (0) |
|
| 735 |
|
|
| 726 | 736 |
void cpu_loop(CPUPPCState *env) |
| 727 | 737 |
{
|
| 728 | 738 |
target_siginfo_t info; |
| ... | ... | |
| 731 | 741 |
|
| 732 | 742 |
for(;;) {
|
| 733 | 743 |
trapnr = cpu_ppc_exec(env); |
| 734 |
if (trapnr != EXCP_SYSCALL_USER && trapnr != EXCP_BRANCH && |
|
| 735 |
trapnr != EXCP_TRACE) {
|
|
| 736 |
if (loglevel > 0) {
|
|
| 737 |
cpu_dump_state(env, logfile, fprintf, 0); |
|
| 738 |
} |
|
| 739 |
} |
|
| 740 | 744 |
switch(trapnr) {
|
| 741 |
case EXCP_NONE: |
|
| 745 |
case POWERPC_EXCP_NONE: |
|
| 746 |
/* Just go on */ |
|
| 742 | 747 |
break; |
| 743 |
case EXCP_SYSCALL_USER: |
|
| 744 |
/* system call */ |
|
| 745 |
/* WARNING: |
|
| 746 |
* PPC ABI uses overflow flag in cr0 to signal an error |
|
| 747 |
* in syscalls. |
|
| 748 |
*/ |
|
| 749 |
#if 0 |
|
| 750 |
printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
|
|
| 751 |
env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]); |
|
| 752 |
#endif |
|
| 753 |
env->crf[0] &= ~0x1; |
|
| 754 |
ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], |
|
| 755 |
env->gpr[5], env->gpr[6], env->gpr[7], |
|
| 756 |
env->gpr[8]); |
|
| 757 |
if (ret > (uint32_t)(-515)) {
|
|
| 758 |
env->crf[0] |= 0x1; |
|
| 759 |
ret = -ret; |
|
| 760 |
} |
|
| 761 |
env->gpr[3] = ret; |
|
| 762 |
#if 0 |
|
| 763 |
printf("syscall returned 0x%08x (%d)\n", ret, ret);
|
|
| 764 |
#endif |
|
| 748 |
case POWERPC_EXCP_CRITICAL: /* Critical input */ |
|
| 749 |
cpu_abort(env, "Critical interrupt while in user mode. " |
|
| 750 |
"Aborting\n"); |
|
| 765 | 751 |
break; |
| 766 |
case EXCP_RESET: |
|
| 767 |
/* Should not happen ! */ |
|
| 768 |
fprintf(stderr, "RESET asked... Stop emulation\n"); |
|
| 769 |
if (loglevel) |
|
| 770 |
fprintf(logfile, "RESET asked... Stop emulation\n"); |
|
| 771 |
abort(); |
|
| 772 |
case EXCP_MACHINE_CHECK: |
|
| 773 |
fprintf(stderr, "Machine check exeption... Stop emulation\n"); |
|
| 774 |
if (loglevel) |
|
| 775 |
fprintf(logfile, "Machine check exception. Stop emulation\n"); |
|
| 776 |
info.si_signo = TARGET_SIGBUS; |
|
| 777 |
info.si_errno = 0; |
|
| 778 |
info.si_code = TARGET_BUS_OBJERR; |
|
| 779 |
info._sifields._sigfault._addr = env->nip - 4; |
|
| 780 |
queue_signal(info.si_signo, &info); |
|
| 781 |
case EXCP_DSI: |
|
| 782 |
fprintf(stderr, "Invalid data memory access: 0x" ADDRX "\n", |
|
| 783 |
env->spr[SPR_DAR]); |
|
| 784 |
if (loglevel) {
|
|
| 785 |
fprintf(logfile, "Invalid data memory access: 0x" ADDRX "\n", |
|
| 786 |
env->spr[SPR_DAR]); |
|
| 787 |
} |
|
| 752 |
case POWERPC_EXCP_MCHECK: /* Machine check exception */ |
|
| 753 |
cpu_abort(env, "Machine check exception while in user mode. " |
|
| 754 |
"Aborting\n"); |
|
| 755 |
break; |
|
| 756 |
case POWERPC_EXCP_DSI: /* Data storage exception */ |
|
| 757 |
EXCP_DUMP(env, "Invalid data memory access: 0x" ADDRX "\n", |
|
| 758 |
env->spr[SPR_DAR]); |
|
| 759 |
/* XXX: check this. Seems bugged */ |
|
| 788 | 760 |
switch (env->error_code & 0xFF000000) {
|
| 789 | 761 |
case 0x40000000: |
| 790 | 762 |
info.si_signo = TARGET_SIGSEGV; |
| ... | ... | |
| 803 | 775 |
break; |
| 804 | 776 |
default: |
| 805 | 777 |
/* Let's send a regular segfault... */ |
| 806 |
fprintf(stderr, "Invalid segfault errno (%02x)\n", |
|
| 807 |
env->error_code); |
|
| 808 |
if (loglevel) {
|
|
| 809 |
fprintf(logfile, "Invalid segfault errno (%02x)\n", |
|
| 810 |
env->error_code); |
|
| 811 |
} |
|
| 778 |
EXCP_DUMP(env, "Invalid segfault errno (%02x)\n", |
|
| 779 |
env->error_code); |
|
| 812 | 780 |
info.si_signo = TARGET_SIGSEGV; |
| 813 | 781 |
info.si_errno = 0; |
| 814 | 782 |
info.si_code = TARGET_SEGV_MAPERR; |
| ... | ... | |
| 817 | 785 |
info._sifields._sigfault._addr = env->nip; |
| 818 | 786 |
queue_signal(info.si_signo, &info); |
| 819 | 787 |
break; |
| 820 |
case EXCP_ISI:
|
|
| 821 |
fprintf(stderr, "Invalid instruction fetch\n");
|
|
| 822 |
if (loglevel)
|
|
| 823 |
fprintf(logfile, "Invalid instruction fetch\n");
|
|
| 788 |
case POWERPC_EXCP_ISI: /* Instruction storage exception */
|
|
| 789 |
EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" ADDRX "\n",
|
|
| 790 |
env->spr[SPR_DAR]);
|
|
| 791 |
/* XXX: check this */
|
|
| 824 | 792 |
switch (env->error_code & 0xFF000000) {
|
| 825 | 793 |
case 0x40000000: |
| 826 | 794 |
info.si_signo = TARGET_SIGSEGV; |
| ... | ... | |
| 835 | 803 |
break; |
| 836 | 804 |
default: |
| 837 | 805 |
/* Let's send a regular segfault... */ |
| 838 |
fprintf(stderr, "Invalid segfault errno (%02x)\n", |
|
| 839 |
env->error_code); |
|
| 840 |
if (loglevel) {
|
|
| 841 |
fprintf(logfile, "Invalid segfault errno (%02x)\n", |
|
| 842 |
env->error_code); |
|
| 843 |
} |
|
| 806 |
EXCP_DUMP(env, "Invalid segfault errno (%02x)\n", |
|
| 807 |
env->error_code); |
|
| 844 | 808 |
info.si_signo = TARGET_SIGSEGV; |
| 845 | 809 |
info.si_errno = 0; |
| 846 | 810 |
info.si_code = TARGET_SEGV_MAPERR; |
| ... | ... | |
| 849 | 813 |
info._sifields._sigfault._addr = env->nip - 4; |
| 850 | 814 |
queue_signal(info.si_signo, &info); |
| 851 | 815 |
break; |
| 852 |
case EXCP_EXTERNAL: |
|
| 853 |
/* Should not happen ! */ |
|
| 854 |
fprintf(stderr, "External interruption... Stop emulation\n"); |
|
| 855 |
if (loglevel) |
|
| 856 |
fprintf(logfile, "External interruption... Stop emulation\n"); |
|
| 857 |
abort(); |
|
| 858 |
case EXCP_ALIGN: |
|
| 859 |
fprintf(stderr, "Invalid unaligned memory access\n"); |
|
| 860 |
if (loglevel) |
|
| 861 |
fprintf(logfile, "Invalid unaligned memory access\n"); |
|
| 816 |
case POWERPC_EXCP_EXTERNAL: /* External input */ |
|
| 817 |
cpu_abort(env, "External interrupt while in user mode. " |
|
| 818 |
"Aborting\n"); |
|
| 819 |
break; |
|
| 820 |
case POWERPC_EXCP_ALIGN: /* Alignment exception */ |
|
| 821 |
EXCP_DUMP(env, "Unaligned memory access\n"); |
|
| 822 |
/* XXX: check this */ |
|
| 862 | 823 |
info.si_signo = TARGET_SIGBUS; |
| 863 | 824 |
info.si_errno = 0; |
| 864 | 825 |
info.si_code = TARGET_BUS_ADRALN; |
| 865 | 826 |
info._sifields._sigfault._addr = env->nip - 4; |
| 866 | 827 |
queue_signal(info.si_signo, &info); |
| 867 | 828 |
break; |
| 868 |
case EXCP_PROGRAM: |
|
| 829 |
case POWERPC_EXCP_PROGRAM: /* Program exception */ |
|
| 830 |
/* XXX: check this */ |
|
| 869 | 831 |
switch (env->error_code & ~0xF) {
|
| 870 |
case EXCP_FP: |
|
| 871 |
fprintf(stderr, "Program exception\n"); |
|
| 872 |
if (loglevel) |
|
| 873 |
fprintf(logfile, "Program exception\n"); |
|
| 832 |
case POWERPC_EXCP_FP: |
|
| 833 |
EXCP_DUMP(env, "Floating point program exception\n"); |
|
| 874 | 834 |
/* Set FX */ |
| 875 | 835 |
env->fpscr[7] |= 0x8; |
| 876 | 836 |
/* Finally, update FEX */ |
| ... | ... | |
| 880 | 840 |
info.si_signo = TARGET_SIGFPE; |
| 881 | 841 |
info.si_errno = 0; |
| 882 | 842 |
switch (env->error_code & 0xF) {
|
| 883 |
case EXCP_FP_OX: |
|
| 843 |
case POWERPC_EXCP_FP_OX:
|
|
| 884 | 844 |
info.si_code = TARGET_FPE_FLTOVF; |
| 885 | 845 |
break; |
| 886 |
case EXCP_FP_UX: |
|
| 846 |
case POWERPC_EXCP_FP_UX:
|
|
| 887 | 847 |
info.si_code = TARGET_FPE_FLTUND; |
| 888 | 848 |
break; |
| 889 |
case EXCP_FP_ZX: |
|
| 890 |
case EXCP_FP_VXZDZ: |
|
| 849 |
case POWERPC_EXCP_FP_ZX:
|
|
| 850 |
case POWERPC_EXCP_FP_VXZDZ:
|
|
| 891 | 851 |
info.si_code = TARGET_FPE_FLTDIV; |
| 892 | 852 |
break; |
| 893 |
case EXCP_FP_XX: |
|
| 853 |
case POWERPC_EXCP_FP_XX:
|
|
| 894 | 854 |
info.si_code = TARGET_FPE_FLTRES; |
| 895 | 855 |
break; |
| 896 |
case EXCP_FP_VXSOFT: |
|
| 856 |
case POWERPC_EXCP_FP_VXSOFT:
|
|
| 897 | 857 |
info.si_code = TARGET_FPE_FLTINV; |
| 898 | 858 |
break; |
| 899 |
case EXCP_FP_VXNAN: |
|
| 900 |
case EXCP_FP_VXISI: |
|
| 901 |
case EXCP_FP_VXIDI: |
|
| 902 |
case EXCP_FP_VXIMZ: |
|
| 903 |
case EXCP_FP_VXVC: |
|
| 904 |
case EXCP_FP_VXSQRT: |
|
| 905 |
case EXCP_FP_VXCVI: |
|
| 859 |
case POWERPC_EXCP_FP_VXNAN:
|
|
| 860 |
case POWERPC_EXCP_FP_VXISI:
|
|
| 861 |
case POWERPC_EXCP_FP_VXIDI:
|
|
| 862 |
case POWERPC_EXCP_FP_VXIMZ:
|
|
| 863 |
case POWERPC_EXCP_FP_VXVC:
|
|
| 864 |
case POWERPC_EXCP_FP_VXSQRT:
|
|
| 865 |
case POWERPC_EXCP_FP_VXCVI:
|
|
| 906 | 866 |
info.si_code = TARGET_FPE_FLTSUB; |
| 907 | 867 |
break; |
| 908 | 868 |
default: |
| 909 |
fprintf(stderr, "Unknown floating point exception " |
|
| 910 |
"(%02x)\n", env->error_code); |
|
| 911 |
if (loglevel) {
|
|
| 912 |
fprintf(logfile, "Unknown floating point exception " |
|
| 913 |
"(%02x)\n", env->error_code & 0xF); |
|
| 914 |
} |
|
| 869 |
EXCP_DUMP(env, "Unknown floating point exception (%02x)\n", |
|
| 870 |
env->error_code); |
|
| 871 |
break; |
|
| 915 | 872 |
} |
| 916 |
break; |
|
| 917 |
case EXCP_INVAL: |
|
| 918 |
fprintf(stderr, "Invalid instruction\n"); |
|
| 919 |
if (loglevel) |
|
| 920 |
fprintf(logfile, "Invalid instruction\n"); |
|
| 873 |
break; |
|
| 874 |
case POWERPC_EXCP_INVAL: |
|
| 875 |
EXCP_DUMP(env, "Invalid instruction\n"); |
|
| 921 | 876 |
info.si_signo = TARGET_SIGILL; |
| 922 | 877 |
info.si_errno = 0; |
| 923 | 878 |
switch (env->error_code & 0xF) {
|
| 924 |
case EXCP_INVAL_INVAL: |
|
| 879 |
case POWERPC_EXCP_INVAL_INVAL:
|
|
| 925 | 880 |
info.si_code = TARGET_ILL_ILLOPC; |
| 926 | 881 |
break; |
| 927 |
case EXCP_INVAL_LSWX: |
|
| 882 |
case POWERPC_EXCP_INVAL_LSWX:
|
|
| 928 | 883 |
info.si_code = TARGET_ILL_ILLOPN; |
| 929 | 884 |
break; |
| 930 |
case EXCP_INVAL_SPR: |
|
| 885 |
case POWERPC_EXCP_INVAL_SPR:
|
|
| 931 | 886 |
info.si_code = TARGET_ILL_PRVREG; |
| 932 | 887 |
break; |
| 933 |
case EXCP_INVAL_FP: |
|
| 888 |
case POWERPC_EXCP_INVAL_FP:
|
|
| 934 | 889 |
info.si_code = TARGET_ILL_COPROC; |
| 935 | 890 |
break; |
| 936 | 891 |
default: |
| 937 |
fprintf(stderr, "Unknown invalid operation (%02x)\n", |
|
| 938 |
env->error_code & 0xF); |
|
| 939 |
if (loglevel) {
|
|
| 940 |
fprintf(logfile, "Unknown invalid operation (%02x)\n", |
|
| 941 |
env->error_code & 0xF); |
|
| 942 |
} |
|
| 892 |
EXCP_DUMP(env, "Unknown invalid operation (%02x)\n", |
|
| 893 |
env->error_code & 0xF); |
|
| 943 | 894 |
info.si_code = TARGET_ILL_ILLADR; |
| 944 | 895 |
break; |
| 945 | 896 |
} |
| 946 | 897 |
break; |
| 947 |
case EXCP_PRIV: |
|
| 948 |
fprintf(stderr, "Privilege violation\n"); |
|
| 949 |
if (loglevel) |
|
| 950 |
fprintf(logfile, "Privilege violation\n"); |
|
| 898 |
case POWERPC_EXCP_PRIV: |
|
| 899 |
EXCP_DUMP(env, "Privilege violation\n"); |
|
| 951 | 900 |
info.si_signo = TARGET_SIGILL; |
| 952 | 901 |
info.si_errno = 0; |
| 953 | 902 |
switch (env->error_code & 0xF) {
|
| 954 |
case EXCP_PRIV_OPC: |
|
| 903 |
case POWERPC_EXCP_PRIV_OPC:
|
|
| 955 | 904 |
info.si_code = TARGET_ILL_PRVOPC; |
| 956 | 905 |
break; |
| 957 |
case EXCP_PRIV_REG: |
|
| 906 |
case POWERPC_EXCP_PRIV_REG:
|
|
| 958 | 907 |
info.si_code = TARGET_ILL_PRVREG; |
| 959 |
break; |
|
| 908 |
break;
|
|
| 960 | 909 |
default: |
| 961 |
fprintf(stderr, "Unknown privilege violation (%02x)\n",
|
|
| 962 |
env->error_code & 0xF); |
|
| 910 |
EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
|
|
| 911 |
env->error_code & 0xF);
|
|
| 963 | 912 |
info.si_code = TARGET_ILL_PRVOPC; |
| 964 | 913 |
break; |
| 965 | 914 |
} |
| 966 | 915 |
break; |
| 967 |
case EXCP_TRAP: |
|
| 968 |
fprintf(stderr, "Tried to call a TRAP\n"); |
|
| 969 |
if (loglevel) |
|
| 970 |
fprintf(logfile, "Tried to call a TRAP\n"); |
|
| 971 |
abort(); |
|
| 916 |
case POWERPC_EXCP_TRAP: |
|
| 917 |
cpu_abort(env, "Tried to call a TRAP\n"); |
|
| 918 |
break; |
|
| 972 | 919 |
default: |
| 973 | 920 |
/* Should not happen ! */ |
| 974 |
fprintf(stderr, "Unknown program exception (%02x)\n", |
|
| 975 |
env->error_code); |
|
| 976 |
if (loglevel) {
|
|
| 977 |
fprintf(logfile, "Unknwon program exception (%02x)\n", |
|
| 978 |
env->error_code); |
|
| 979 |
} |
|
| 980 |
abort(); |
|
| 921 |
cpu_abort(env, "Unknown program exception (%02x)\n", |
|
| 922 |
env->error_code); |
|
| 923 |
break; |
|
| 981 | 924 |
} |
| 982 | 925 |
info._sifields._sigfault._addr = env->nip - 4; |
| 983 | 926 |
queue_signal(info.si_signo, &info); |
| 984 | 927 |
break; |
| 985 |
case EXCP_NO_FP: |
|
| 986 |
fprintf(stderr, "No floating point allowed\n"); |
|
| 987 |
if (loglevel) |
|
| 988 |
fprintf(logfile, "No floating point allowed\n"); |
|
| 928 |
case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ |
|
| 929 |
EXCP_DUMP(env, "No floating point allowed\n"); |
|
| 989 | 930 |
info.si_signo = TARGET_SIGILL; |
| 990 | 931 |
info.si_errno = 0; |
| 991 | 932 |
info.si_code = TARGET_ILL_COPROC; |
| 992 | 933 |
info._sifields._sigfault._addr = env->nip - 4; |
| 993 | 934 |
queue_signal(info.si_signo, &info); |
| 994 | 935 |
break; |
| 995 |
case EXCP_DECR: |
|
| 996 |
/* Should not happen ! */ |
|
| 997 |
fprintf(stderr, "Decrementer exception\n"); |
|
| 998 |
if (loglevel) |
|
| 999 |
fprintf(logfile, "Decrementer exception\n"); |
|
| 1000 |
abort(); |
|
| 1001 |
case EXCP_TRACE: |
|
| 1002 |
/* Do nothing: we use this to trace execution */ |
|
| 1003 |
break; |
|
| 1004 |
case EXCP_FP_ASSIST: |
|
| 1005 |
/* Should not happen ! */ |
|
| 1006 |
fprintf(stderr, "Floating point assist exception\n"); |
|
| 1007 |
if (loglevel) |
|
| 1008 |
fprintf(logfile, "Floating point assist exception\n"); |
|
| 1009 |
abort(); |
|
| 1010 |
case EXCP_MTMSR: |
|
| 1011 |
/* We reloaded the msr, just go on */ |
|
| 1012 |
if (msr_pr == 0) {
|
|
| 1013 |
fprintf(stderr, "Tried to go into supervisor mode !\n"); |
|
| 1014 |
if (loglevel) |
|
| 1015 |
fprintf(logfile, "Tried to go into supervisor mode !\n"); |
|
| 1016 |
abort(); |
|
| 1017 |
} |
|
| 936 |
case POWERPC_EXCP_SYSCALL: /* System call exception */ |
|
| 937 |
cpu_abort(env, "Syscall exception while in user mode. " |
|
| 938 |
"Aborting\n"); |
|
| 1018 | 939 |
break; |
| 1019 |
case EXCP_BRANCH: |
|
| 1020 |
/* We stopped because of a jump... */ |
|
| 940 |
case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ |
|
| 941 |
EXCP_DUMP(env, "No APU instruction allowed\n"); |
|
| 942 |
info.si_signo = TARGET_SIGILL; |
|
| 943 |
info.si_errno = 0; |
|
| 944 |
info.si_code = TARGET_ILL_COPROC; |
|
| 945 |
info._sifields._sigfault._addr = env->nip - 4; |
|
| 946 |
queue_signal(info.si_signo, &info); |
|
| 1021 | 947 |
break; |
| 1022 |
case EXCP_INTERRUPT: |
|
| 1023 |
/* Don't know why this should ever happen... */ |
|
| 948 |
case POWERPC_EXCP_DECR: /* Decrementer exception */ |
|
| 949 |
cpu_abort(env, "Decrementer interrupt while in user mode. " |
|
| 950 |
"Aborting\n"); |
|
| 1024 | 951 |
break; |
| 1025 |
case EXCP_DEBUG: |
|
| 952 |
case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ |
|
| 953 |
cpu_abort(env, "Fix interval timer interrupt while in user mode. " |
|
| 954 |
"Aborting\n"); |
|
| 955 |
break; |
|
| 956 |
case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */ |
|
| 957 |
cpu_abort(env, "Watchdog timer interrupt while in user mode. " |
|
| 958 |
"Aborting\n"); |
|
| 959 |
break; |
|
| 960 |
case POWERPC_EXCP_DTLB: /* Data TLB error */ |
|
| 961 |
cpu_abort(env, "Data TLB exception while in user mode. " |
|
| 962 |
"Aborting\n"); |
|
| 963 |
break; |
|
| 964 |
case POWERPC_EXCP_ITLB: /* Instruction TLB error */ |
|
| 965 |
cpu_abort(env, "Instruction TLB exception while in user mode. " |
|
| 966 |
"Aborting\n"); |
|
| 967 |
break; |
|
| 968 |
case POWERPC_EXCP_DEBUG: /* Debug interrupt */ |
|
| 969 |
/* XXX: check this */ |
|
| 1026 | 970 |
{
|
| 1027 | 971 |
int sig; |
| 1028 | 972 |
|
| 1029 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
|
| 1030 |
if (sig) |
|
| 1031 |
{
|
|
| 973 |
sig = gdb_handlesig(env, TARGET_SIGTRAP); |
|
| 974 |
if (sig) {
|
|
| 1032 | 975 |
info.si_signo = sig; |
| 1033 | 976 |
info.si_errno = 0; |
| 1034 | 977 |
info.si_code = TARGET_TRAP_BRKPT; |
| ... | ... | |
| 1036 | 979 |
} |
| 1037 | 980 |
} |
| 1038 | 981 |
break; |
| 1039 |
default: |
|
| 1040 |
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n", |
|
| 1041 |
trapnr); |
|
| 1042 |
if (loglevel) {
|
|
| 1043 |
fprintf(logfile, "qemu: unhandled CPU exception 0x%02x - " |
|
| 1044 |
"0x%02x - aborting\n", trapnr, env->error_code); |
|
| 982 |
#if defined(TARGET_PPCEMB) |
|
| 983 |
case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */ |
|
| 984 |
EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n"); |
|
| 985 |
info.si_signo = TARGET_SIGILL; |
|
| 986 |
info.si_errno = 0; |
|
| 987 |
info.si_code = TARGET_ILL_COPROC; |
|
| 988 |
info._sifields._sigfault._addr = env->nip - 4; |
|
| 989 |
queue_signal(info.si_signo, &info); |
|
| 990 |
break; |
|
| 991 |
case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */ |
|
| 992 |
cpu_abort(env, "Embedded floating-point data IRQ not handled\n"); |
|
| 993 |
break; |
|
| 994 |
case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */ |
|
| 995 |
cpu_abort(env, "Embedded floating-point round IRQ not handled\n"); |
|
| 996 |
break; |
|
| 997 |
case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */ |
|
| 998 |
cpu_abort(env, "Performance monitor exception not handled\n"); |
|
| 999 |
break; |
|
| 1000 |
case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */ |
|
| 1001 |
cpu_abort(env, "Doorbell interrupt while in user mode. " |
|
| 1002 |
"Aborting\n"); |
|
| 1003 |
break; |
|
| 1004 |
case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */ |
|
| 1005 |
cpu_abort(env, "Doorbell critical interrupt while in user mode. " |
|
| 1006 |
"Aborting\n"); |
|
| 1007 |
break; |
|
| 1008 |
case POWERPC_EXCP_RESET: /* System reset exception */ |
|
| 1009 |
cpu_abort(env, "Reset interrupt while in user mode. " |
|
| 1010 |
"Aborting\n"); |
|
| 1011 |
break; |
|
| 1012 |
#endif /* defined(TARGET_PPCEMB) */ |
|
| 1013 |
#if defined(TARGET_PPC64) /* PowerPC 64 */ |
|
| 1014 |
case POWERPC_EXCP_DSEG: /* Data segment exception */ |
|
| 1015 |
cpu_abort(env, "Data segment exception while in user mode. " |
|
| 1016 |
"Aborting\n"); |
|
| 1017 |
break; |
|
| 1018 |
case POWERPC_EXCP_ISEG: /* Instruction segment exception */ |
|
| 1019 |
cpu_abort(env, "Instruction segment exception " |
|
| 1020 |
"while in user mode. Aborting\n"); |
|
| 1021 |
break; |
|
| 1022 |
#endif /* defined(TARGET_PPC64) */ |
|
| 1023 |
#if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */ |
|
| 1024 |
case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ |
|
| 1025 |
cpu_abort(env, "Hypervisor decrementer interrupt " |
|
| 1026 |
"while in user mode. Aborting\n"); |
|
| 1027 |
break; |
|
| 1028 |
#endif /* defined(TARGET_PPC64H) */ |
|
| 1029 |
case POWERPC_EXCP_TRACE: /* Trace exception */ |
|
| 1030 |
/* Nothing to do: |
|
| 1031 |
* we use this exception to emulate step-by-step execution mode. |
|
| 1032 |
*/ |
|
| 1033 |
break; |
|
| 1034 |
#if defined(TARGET_PPC64H) /* PowerPC 64 with hypervisor mode support */ |
|
| 1035 |
case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ |
|
| 1036 |
cpu_abort(env, "Hypervisor data storage exception " |
|
| 1037 |
"while in user mode. Aborting\n"); |
|
| 1038 |
break; |
|
| 1039 |
case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */ |
|
| 1040 |
cpu_abort(env, "Hypervisor instruction storage exception " |
|
| 1041 |
"while in user mode. Aborting\n"); |
|
| 1042 |
break; |
|
| 1043 |
case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */ |
|
| 1044 |
cpu_abort(env, "Hypervisor data segment exception " |
|
| 1045 |
"while in user mode. Aborting\n"); |
|
| 1046 |
break; |
|
| 1047 |
case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */ |
|
| 1048 |
cpu_abort(env, "Hypervisor instruction segment exception " |
|
| 1049 |
"while in user mode. Aborting\n"); |
|
| 1050 |
break; |
|
| 1051 |
#endif /* defined(TARGET_PPC64H) */ |
|
| 1052 |
case POWERPC_EXCP_VPU: /* Vector unavailable exception */ |
|
| 1053 |
EXCP_DUMP(env, "No Altivec instructions allowed\n"); |
|
| 1054 |
info.si_signo = TARGET_SIGILL; |
|
| 1055 |
info.si_errno = 0; |
|
| 1056 |
info.si_code = TARGET_ILL_COPROC; |
|
| 1057 |
info._sifields._sigfault._addr = env->nip - 4; |
|
| 1058 |
queue_signal(info.si_signo, &info); |
|
| 1059 |
break; |
|
| 1060 |
case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */ |
|
| 1061 |
cpu_abort(env, "Programable interval timer interrupt " |
|
| 1062 |
"while in user mode. Aborting\n"); |
|
| 1063 |
break; |
|
| 1064 |
case POWERPC_EXCP_IO: /* IO error exception */ |
|
| 1065 |
cpu_abort(env, "IO error exception while in user mode. " |
|
| 1066 |
"Aborting\n"); |
|
| 1067 |
break; |
|
| 1068 |
case POWERPC_EXCP_RUNM: /* Run mode exception */ |
|
| 1069 |
cpu_abort(env, "Run mode exception while in user mode. " |
|
| 1070 |
"Aborting\n"); |
|
| 1071 |
break; |
|
| 1072 |
case POWERPC_EXCP_EMUL: /* Emulation trap exception */ |
|
| 1073 |
cpu_abort(env, "Emulation trap exception not handled\n"); |
|
| 1074 |
break; |
|
| 1075 |
case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */ |
|
| 1076 |
cpu_abort(env, "Instruction fetch TLB exception " |
|
| 1077 |
"while in user-mode. Aborting"); |
|
| 1078 |
break; |
|
| 1079 |
case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ |
|
| 1080 |
cpu_abort(env, "Data load TLB exception while in user-mode. " |
|
| 1081 |
"Aborting"); |
|
| 1082 |
break; |
|
| 1083 |
case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ |
|
| 1084 |
cpu_abort(env, "Data store TLB exception while in user-mode. " |
|
| 1085 |
"Aborting"); |
|
| 1086 |
break; |
|
| 1087 |
case POWERPC_EXCP_FPA: /* Floating-point assist exception */ |
|
| 1088 |
cpu_abort(env, "Floating-point assist exception not handled\n"); |
|
| 1089 |
break; |
|
| 1090 |
case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ |
|
| 1091 |
cpu_abort(env, "Instruction address breakpoint exception " |
|
| 1092 |
"not handled\n"); |
|
| 1093 |
break; |
|
| 1094 |
case POWERPC_EXCP_SMI: /* System management interrupt */ |
|
| 1095 |
cpu_abort(env, "System management interrupt while in user mode. " |
|
| 1096 |
"Aborting\n"); |
|
| 1097 |
break; |
|
| 1098 |
case POWERPC_EXCP_THERM: /* Thermal interrupt */ |
|
| 1099 |
cpu_abort(env, "Thermal interrupt interrupt while in user mode. " |
|
| 1100 |
"Aborting\n"); |
|
| 1101 |
break; |
|
| 1102 |
case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */ |
|
| 1103 |
cpu_abort(env, "Performance monitor exception not handled\n"); |
|
| 1104 |
break; |
|
| 1105 |
case POWERPC_EXCP_VPUA: /* Vector assist exception */ |
|
| 1106 |
cpu_abort(env, "Vector assist exception not handled\n"); |
|
| 1107 |
break; |
|
| 1108 |
case POWERPC_EXCP_SOFTP: /* Soft patch exception */ |
|
| 1109 |
cpu_abort(env, "Soft patch exception not handled\n"); |
|
| 1110 |
break; |
|
| 1111 |
case POWERPC_EXCP_MAINT: /* Maintenance exception */ |
|
| 1112 |
cpu_abort(env, "Maintenance exception while in user mode. " |
|
| 1113 |
"Aborting\n"); |
|
| 1114 |
break; |
|
| 1115 |
case POWERPC_EXCP_STOP: /* stop translation */ |
|
| 1116 |
/* We did invalidate the instruction cache. Go on */ |
|
| 1117 |
break; |
|
| 1118 |
case POWERPC_EXCP_BRANCH: /* branch instruction: */ |
|
| 1119 |
/* We just stopped because of a branch. Go on */ |
|
| 1120 |
break; |
|
| 1121 |
case POWERPC_EXCP_SYSCALL_USER: |
|
| 1122 |
/* system call in user-mode emulation */ |
|
| 1123 |
/* WARNING: |
|
| 1124 |
* PPC ABI uses overflow flag in cr0 to signal an error |
|
| 1125 |
* in syscalls. |
|
| 1126 |
*/ |
|
| 1127 |
#if 0 |
|
| 1128 |
printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
|
|
| 1129 |
env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]); |
|
| 1130 |
#endif |
|
| 1131 |
env->crf[0] &= ~0x1; |
|
| 1132 |
ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], |
|
| 1133 |
env->gpr[5], env->gpr[6], env->gpr[7], |
|
| 1134 |
env->gpr[8]); |
|
| 1135 |
if (ret > (uint32_t)(-515)) {
|
|
| 1136 |
env->crf[0] |= 0x1; |
|
| 1137 |
ret = -ret; |
|
| 1045 | 1138 |
} |
| 1046 |
abort(); |
|
| 1139 |
env->gpr[3] = ret; |
|
| 1140 |
#if 0 |
|
| 1141 |
printf("syscall returned 0x%08x (%d)\n", ret, ret);
|
|
| 1142 |
#endif |
|
| 1143 |
break; |
|
| 1144 |
default: |
|
| 1145 |
cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr); |
|
| 1146 |
break; |
|
| 1047 | 1147 |
} |
| 1048 | 1148 |
process_pending_signals(env); |
| 1049 | 1149 |
} |
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