746 |
746 |
#if !defined(CONFIG_SOFTMMU)
|
747 |
747 |
|
748 |
748 |
#if defined(TARGET_I386)
|
|
749 |
#define EXCEPTION_ACTION raise_exception_err(env->exception_index, env->error_code)
|
|
750 |
#else
|
|
751 |
#define EXCEPTION_ACTION cpu_loop_exit()
|
|
752 |
#endif
|
749 |
753 |
|
750 |
754 |
/* 'pc' is the host PC at which the exception was raised. 'address' is
|
751 |
755 |
the effective address of the memory exception. 'is_write' is 1 if a
|
... | ... | |
770 |
774 |
}
|
771 |
775 |
|
772 |
776 |
/* see if it is an MMU fault */
|
773 |
|
ret = cpu_x86_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0);
|
774 |
|
if (ret < 0)
|
775 |
|
return 0; /* not an MMU fault */
|
776 |
|
if (ret == 0)
|
777 |
|
return 1; /* the MMU fault was handled without causing real CPU fault */
|
778 |
|
/* now we have a real cpu fault */
|
779 |
|
tb = tb_find_pc(pc);
|
780 |
|
if (tb) {
|
781 |
|
/* the PC is inside the translated code. It means that we have
|
782 |
|
a virtual CPU fault */
|
783 |
|
cpu_restore_state(tb, env, pc, puc);
|
784 |
|
}
|
785 |
|
if (ret == 1) {
|
786 |
|
#if 0
|
787 |
|
printf("PF exception: EIP=0x%08x CR2=0x%08x error=0x%x\n",
|
788 |
|
env->eip, env->cr[2], env->error_code);
|
789 |
|
#endif
|
790 |
|
/* we restore the process signal mask as the sigreturn should
|
791 |
|
do it (XXX: use sigsetjmp) */
|
792 |
|
sigprocmask(SIG_SETMASK, old_set, NULL);
|
793 |
|
raise_exception_err(env->exception_index, env->error_code);
|
794 |
|
} else {
|
795 |
|
/* activate soft MMU for this block */
|
796 |
|
env->hflags |= HF_SOFTMMU_MASK;
|
797 |
|
cpu_resume_from_signal(env, puc);
|
798 |
|
}
|
799 |
|
/* never comes here */
|
800 |
|
return 1;
|
801 |
|
}
|
802 |
|
|
803 |
|
#elif defined(TARGET_ARM)
|
804 |
|
static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
|
805 |
|
int is_write, sigset_t *old_set,
|
806 |
|
void *puc)
|
807 |
|
{
|
808 |
|
TranslationBlock *tb;
|
809 |
|
int ret;
|
810 |
|
|
811 |
|
if (cpu_single_env)
|
812 |
|
env = cpu_single_env; /* XXX: find a correct solution for multithread */
|
813 |
|
#if defined(DEBUG_SIGNAL)
|
814 |
|
printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
|
815 |
|
pc, address, is_write, *(unsigned long *)old_set);
|
816 |
|
#endif
|
817 |
|
/* XXX: locking issue */
|
818 |
|
if (is_write && page_unprotect(h2g(address), pc, puc)) {
|
819 |
|
return 1;
|
820 |
|
}
|
821 |
|
/* see if it is an MMU fault */
|
822 |
|
ret = cpu_arm_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0);
|
|
777 |
ret = cpu_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0);
|
823 |
778 |
if (ret < 0)
|
824 |
779 |
return 0; /* not an MMU fault */
|
825 |
780 |
if (ret == 0)
|
... | ... | |
831 |
786 |
a virtual CPU fault */
|
832 |
787 |
cpu_restore_state(tb, env, pc, puc);
|
833 |
788 |
}
|
834 |
|
/* we restore the process signal mask as the sigreturn should
|
835 |
|
do it (XXX: use sigsetjmp) */
|
836 |
|
sigprocmask(SIG_SETMASK, old_set, NULL);
|
837 |
|
cpu_loop_exit();
|
838 |
|
/* never comes here */
|
839 |
|
return 1;
|
840 |
|
}
|
841 |
|
#elif defined(TARGET_SPARC)
|
842 |
|
static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
|
843 |
|
int is_write, sigset_t *old_set,
|
844 |
|
void *puc)
|
845 |
|
{
|
846 |
|
TranslationBlock *tb;
|
847 |
|
int ret;
|
848 |
789 |
|
849 |
|
if (cpu_single_env)
|
850 |
|
env = cpu_single_env; /* XXX: find a correct solution for multithread */
|
851 |
|
#if defined(DEBUG_SIGNAL)
|
852 |
|
printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
|
853 |
|
pc, address, is_write, *(unsigned long *)old_set);
|
854 |
|
#endif
|
855 |
|
/* XXX: locking issue */
|
856 |
|
if (is_write && page_unprotect(h2g(address), pc, puc)) {
|
857 |
|
return 1;
|
858 |
|
}
|
859 |
|
/* see if it is an MMU fault */
|
860 |
|
ret = cpu_sparc_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0);
|
861 |
|
if (ret < 0)
|
862 |
|
return 0; /* not an MMU fault */
|
863 |
|
if (ret == 0)
|
864 |
|
return 1; /* the MMU fault was handled without causing real CPU fault */
|
865 |
|
/* now we have a real cpu fault */
|
866 |
|
tb = tb_find_pc(pc);
|
867 |
|
if (tb) {
|
868 |
|
/* the PC is inside the translated code. It means that we have
|
869 |
|
a virtual CPU fault */
|
870 |
|
cpu_restore_state(tb, env, pc, puc);
|
871 |
|
}
|
872 |
790 |
/* we restore the process signal mask as the sigreturn should
|
873 |
791 |
do it (XXX: use sigsetjmp) */
|
874 |
792 |
sigprocmask(SIG_SETMASK, old_set, NULL);
|
875 |
|
cpu_loop_exit();
|
876 |
|
/* never comes here */
|
877 |
|
return 1;
|
878 |
|
}
|
879 |
|
#elif defined (TARGET_PPC)
|
880 |
|
static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
|
881 |
|
int is_write, sigset_t *old_set,
|
882 |
|
void *puc)
|
883 |
|
{
|
884 |
|
TranslationBlock *tb;
|
885 |
|
int ret;
|
886 |
|
|
887 |
|
if (cpu_single_env)
|
888 |
|
env = cpu_single_env; /* XXX: find a correct solution for multithread */
|
889 |
|
#if defined(DEBUG_SIGNAL)
|
890 |
|
printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
|
891 |
|
pc, address, is_write, *(unsigned long *)old_set);
|
892 |
|
#endif
|
893 |
|
/* XXX: locking issue */
|
894 |
|
if (is_write && page_unprotect(h2g(address), pc, puc)) {
|
895 |
|
return 1;
|
896 |
|
}
|
897 |
|
|
898 |
|
/* see if it is an MMU fault */
|
899 |
|
ret = cpu_ppc_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0);
|
900 |
|
if (ret < 0)
|
901 |
|
return 0; /* not an MMU fault */
|
902 |
|
if (ret == 0)
|
903 |
|
return 1; /* the MMU fault was handled without causing real CPU fault */
|
904 |
|
|
905 |
|
/* now we have a real cpu fault */
|
906 |
|
tb = tb_find_pc(pc);
|
907 |
|
if (tb) {
|
908 |
|
/* the PC is inside the translated code. It means that we have
|
909 |
|
a virtual CPU fault */
|
910 |
|
cpu_restore_state(tb, env, pc, puc);
|
911 |
|
}
|
912 |
|
if (ret == 1) {
|
913 |
|
#if 0
|
914 |
|
printf("PF exception: NIP=0x%08x error=0x%x %p\n",
|
915 |
|
env->nip, env->error_code, tb);
|
916 |
|
#endif
|
917 |
|
/* we restore the process signal mask as the sigreturn should
|
918 |
|
do it (XXX: use sigsetjmp) */
|
919 |
|
sigprocmask(SIG_SETMASK, old_set, NULL);
|
920 |
|
cpu_loop_exit();
|
921 |
|
} else {
|
922 |
|
/* activate soft MMU for this block */
|
923 |
|
cpu_resume_from_signal(env, puc);
|
924 |
|
}
|
925 |
|
/* never comes here */
|
926 |
|
return 1;
|
927 |
|
}
|
|
793 |
EXCEPTION_ACTION;
|
928 |
794 |
|
929 |
|
#elif defined(TARGET_M68K)
|
930 |
|
static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
|
931 |
|
int is_write, sigset_t *old_set,
|
932 |
|
void *puc)
|
933 |
|
{
|
934 |
|
TranslationBlock *tb;
|
935 |
|
int ret;
|
936 |
|
|
937 |
|
if (cpu_single_env)
|
938 |
|
env = cpu_single_env; /* XXX: find a correct solution for multithread */
|
939 |
|
#if defined(DEBUG_SIGNAL)
|
940 |
|
printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
|
941 |
|
pc, address, is_write, *(unsigned long *)old_set);
|
942 |
|
#endif
|
943 |
|
/* XXX: locking issue */
|
944 |
|
if (is_write && page_unprotect(address, pc, puc)) {
|
945 |
|
return 1;
|
946 |
|
}
|
947 |
|
/* see if it is an MMU fault */
|
948 |
|
ret = cpu_m68k_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0);
|
949 |
|
if (ret < 0)
|
950 |
|
return 0; /* not an MMU fault */
|
951 |
|
if (ret == 0)
|
952 |
|
return 1; /* the MMU fault was handled without causing real CPU fault */
|
953 |
|
/* now we have a real cpu fault */
|
954 |
|
tb = tb_find_pc(pc);
|
955 |
|
if (tb) {
|
956 |
|
/* the PC is inside the translated code. It means that we have
|
957 |
|
a virtual CPU fault */
|
958 |
|
cpu_restore_state(tb, env, pc, puc);
|
959 |
|
}
|
960 |
|
/* we restore the process signal mask as the sigreturn should
|
961 |
|
do it (XXX: use sigsetjmp) */
|
962 |
|
sigprocmask(SIG_SETMASK, old_set, NULL);
|
963 |
|
cpu_loop_exit();
|
964 |
795 |
/* never comes here */
|
965 |
796 |
return 1;
|
966 |
797 |
}
|
967 |
798 |
|
968 |
|
#elif defined (TARGET_MIPS)
|
969 |
|
static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
|
970 |
|
int is_write, sigset_t *old_set,
|
971 |
|
void *puc)
|
972 |
|
{
|
973 |
|
TranslationBlock *tb;
|
974 |
|
int ret;
|
975 |
|
|
976 |
|
if (cpu_single_env)
|
977 |
|
env = cpu_single_env; /* XXX: find a correct solution for multithread */
|
978 |
|
#if defined(DEBUG_SIGNAL)
|
979 |
|
printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
|
980 |
|
pc, address, is_write, *(unsigned long *)old_set);
|
981 |
|
#endif
|
982 |
|
/* XXX: locking issue */
|
983 |
|
if (is_write && page_unprotect(h2g(address), pc, puc)) {
|
984 |
|
return 1;
|
985 |
|
}
|
986 |
|
|
987 |
|
/* see if it is an MMU fault */
|
988 |
|
ret = cpu_mips_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0);
|
989 |
|
if (ret < 0)
|
990 |
|
return 0; /* not an MMU fault */
|
991 |
|
if (ret == 0)
|
992 |
|
return 1; /* the MMU fault was handled without causing real CPU fault */
|
993 |
|
|
994 |
|
/* now we have a real cpu fault */
|
995 |
|
tb = tb_find_pc(pc);
|
996 |
|
if (tb) {
|
997 |
|
/* the PC is inside the translated code. It means that we have
|
998 |
|
a virtual CPU fault */
|
999 |
|
cpu_restore_state(tb, env, pc, puc);
|
1000 |
|
}
|
1001 |
|
if (ret == 1) {
|
1002 |
|
#if 0
|
1003 |
|
printf("PF exception: PC=0x" TARGET_FMT_lx " error=0x%x %p\n",
|
1004 |
|
env->PC, env->error_code, tb);
|
1005 |
|
#endif
|
1006 |
|
/* we restore the process signal mask as the sigreturn should
|
1007 |
|
do it (XXX: use sigsetjmp) */
|
1008 |
|
sigprocmask(SIG_SETMASK, old_set, NULL);
|
1009 |
|
cpu_loop_exit();
|
1010 |
|
} else {
|
1011 |
|
/* activate soft MMU for this block */
|
1012 |
|
cpu_resume_from_signal(env, puc);
|
1013 |
|
}
|
1014 |
|
/* never comes here */
|
1015 |
|
return 1;
|
1016 |
|
}
|
1017 |
|
|
1018 |
|
#elif defined (TARGET_MICROBLAZE)
|
1019 |
|
static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
|
1020 |
|
int is_write, sigset_t *old_set,
|
1021 |
|
void *puc)
|
1022 |
|
{
|
1023 |
|
TranslationBlock *tb;
|
1024 |
|
int ret;
|
1025 |
|
|
1026 |
|
if (cpu_single_env)
|
1027 |
|
env = cpu_single_env; /* XXX: find a correct solution for multithread */
|
1028 |
|
#if defined(DEBUG_SIGNAL)
|
1029 |
|
printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
|
1030 |
|
pc, address, is_write, *(unsigned long *)old_set);
|
1031 |
|
#endif
|
1032 |
|
/* XXX: locking issue */
|
1033 |
|
if (is_write && page_unprotect(h2g(address), pc, puc)) {
|
1034 |
|
return 1;
|
1035 |
|
}
|
1036 |
|
|
1037 |
|
/* see if it is an MMU fault */
|
1038 |
|
ret = cpu_mb_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0);
|
1039 |
|
if (ret < 0)
|
1040 |
|
return 0; /* not an MMU fault */
|
1041 |
|
if (ret == 0)
|
1042 |
|
return 1; /* the MMU fault was handled without causing real CPU fault */
|
1043 |
|
|
1044 |
|
/* now we have a real cpu fault */
|
1045 |
|
tb = tb_find_pc(pc);
|
1046 |
|
if (tb) {
|
1047 |
|
/* the PC is inside the translated code. It means that we have
|
1048 |
|
a virtual CPU fault */
|
1049 |
|
cpu_restore_state(tb, env, pc, puc);
|
1050 |
|
}
|
1051 |
|
if (ret == 1) {
|
1052 |
|
#if 0
|
1053 |
|
printf("PF exception: PC=0x" TARGET_FMT_lx " error=0x%x %p\n",
|
1054 |
|
env->PC, env->error_code, tb);
|
1055 |
|
#endif
|
1056 |
|
/* we restore the process signal mask as the sigreturn should
|
1057 |
|
do it (XXX: use sigsetjmp) */
|
1058 |
|
sigprocmask(SIG_SETMASK, old_set, NULL);
|
1059 |
|
cpu_loop_exit();
|
1060 |
|
} else {
|
1061 |
|
/* activate soft MMU for this block */
|
1062 |
|
cpu_resume_from_signal(env, puc);
|
1063 |
|
}
|
1064 |
|
/* never comes here */
|
1065 |
|
return 1;
|
1066 |
|
}
|
1067 |
|
|
1068 |
|
#elif defined (TARGET_SH4)
|
1069 |
|
static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
|
1070 |
|
int is_write, sigset_t *old_set,
|
1071 |
|
void *puc)
|
1072 |
|
{
|
1073 |
|
TranslationBlock *tb;
|
1074 |
|
int ret;
|
1075 |
|
|
1076 |
|
if (cpu_single_env)
|
1077 |
|
env = cpu_single_env; /* XXX: find a correct solution for multithread */
|
1078 |
|
#if defined(DEBUG_SIGNAL)
|
1079 |
|
printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
|
1080 |
|
pc, address, is_write, *(unsigned long *)old_set);
|
1081 |
|
#endif
|
1082 |
|
/* XXX: locking issue */
|
1083 |
|
if (is_write && page_unprotect(h2g(address), pc, puc)) {
|
1084 |
|
return 1;
|
1085 |
|
}
|
1086 |
|
|
1087 |
|
/* see if it is an MMU fault */
|
1088 |
|
ret = cpu_sh4_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0);
|
1089 |
|
if (ret < 0)
|
1090 |
|
return 0; /* not an MMU fault */
|
1091 |
|
if (ret == 0)
|
1092 |
|
return 1; /* the MMU fault was handled without causing real CPU fault */
|
1093 |
|
|
1094 |
|
/* now we have a real cpu fault */
|
1095 |
|
tb = tb_find_pc(pc);
|
1096 |
|
if (tb) {
|
1097 |
|
/* the PC is inside the translated code. It means that we have
|
1098 |
|
a virtual CPU fault */
|
1099 |
|
cpu_restore_state(tb, env, pc, puc);
|
1100 |
|
}
|
1101 |
|
#if 0
|
1102 |
|
printf("PF exception: NIP=0x%08x error=0x%x %p\n",
|
1103 |
|
env->nip, env->error_code, tb);
|
1104 |
|
#endif
|
1105 |
|
/* we restore the process signal mask as the sigreturn should
|
1106 |
|
do it (XXX: use sigsetjmp) */
|
1107 |
|
sigprocmask(SIG_SETMASK, old_set, NULL);
|
1108 |
|
cpu_loop_exit();
|
1109 |
|
/* never comes here */
|
1110 |
|
return 1;
|
1111 |
|
}
|
1112 |
|
|
1113 |
|
#elif defined (TARGET_ALPHA)
|
1114 |
|
static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
|
1115 |
|
int is_write, sigset_t *old_set,
|
1116 |
|
void *puc)
|
1117 |
|
{
|
1118 |
|
TranslationBlock *tb;
|
1119 |
|
int ret;
|
1120 |
|
|
1121 |
|
if (cpu_single_env)
|
1122 |
|
env = cpu_single_env; /* XXX: find a correct solution for multithread */
|
1123 |
|
#if defined(DEBUG_SIGNAL)
|
1124 |
|
printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
|
1125 |
|
pc, address, is_write, *(unsigned long *)old_set);
|
1126 |
|
#endif
|
1127 |
|
/* XXX: locking issue */
|
1128 |
|
if (is_write && page_unprotect(h2g(address), pc, puc)) {
|
1129 |
|
return 1;
|
1130 |
|
}
|
1131 |
|
|
1132 |
|
/* see if it is an MMU fault */
|
1133 |
|
ret = cpu_alpha_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0);
|
1134 |
|
if (ret < 0)
|
1135 |
|
return 0; /* not an MMU fault */
|
1136 |
|
if (ret == 0)
|
1137 |
|
return 1; /* the MMU fault was handled without causing real CPU fault */
|
1138 |
|
|
1139 |
|
/* now we have a real cpu fault */
|
1140 |
|
tb = tb_find_pc(pc);
|
1141 |
|
if (tb) {
|
1142 |
|
/* the PC is inside the translated code. It means that we have
|
1143 |
|
a virtual CPU fault */
|
1144 |
|
cpu_restore_state(tb, env, pc, puc);
|
1145 |
|
}
|
1146 |
|
#if 0
|
1147 |
|
printf("PF exception: NIP=0x%08x error=0x%x %p\n",
|
1148 |
|
env->nip, env->error_code, tb);
|
1149 |
|
#endif
|
1150 |
|
/* we restore the process signal mask as the sigreturn should
|
1151 |
|
do it (XXX: use sigsetjmp) */
|
1152 |
|
sigprocmask(SIG_SETMASK, old_set, NULL);
|
1153 |
|
cpu_loop_exit();
|
1154 |
|
/* never comes here */
|
1155 |
|
return 1;
|
1156 |
|
}
|
1157 |
|
#elif defined (TARGET_CRIS)
|
1158 |
|
static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
|
1159 |
|
int is_write, sigset_t *old_set,
|
1160 |
|
void *puc)
|
1161 |
|
{
|
1162 |
|
TranslationBlock *tb;
|
1163 |
|
int ret;
|
1164 |
|
|
1165 |
|
if (cpu_single_env)
|
1166 |
|
env = cpu_single_env; /* XXX: find a correct solution for multithread */
|
1167 |
|
#if defined(DEBUG_SIGNAL)
|
1168 |
|
printf("qemu: SIGSEGV pc=0x%08lx address=%08lx w=%d oldset=0x%08lx\n",
|
1169 |
|
pc, address, is_write, *(unsigned long *)old_set);
|
1170 |
|
#endif
|
1171 |
|
/* XXX: locking issue */
|
1172 |
|
if (is_write && page_unprotect(h2g(address), pc, puc)) {
|
1173 |
|
return 1;
|
1174 |
|
}
|
1175 |
|
|
1176 |
|
/* see if it is an MMU fault */
|
1177 |
|
ret = cpu_cris_handle_mmu_fault(env, address, is_write, MMU_USER_IDX, 0);
|
1178 |
|
if (ret < 0)
|
1179 |
|
return 0; /* not an MMU fault */
|
1180 |
|
if (ret == 0)
|
1181 |
|
return 1; /* the MMU fault was handled without causing real CPU fault */
|
1182 |
|
|
1183 |
|
/* now we have a real cpu fault */
|
1184 |
|
tb = tb_find_pc(pc);
|
1185 |
|
if (tb) {
|
1186 |
|
/* the PC is inside the translated code. It means that we have
|
1187 |
|
a virtual CPU fault */
|
1188 |
|
cpu_restore_state(tb, env, pc, puc);
|
1189 |
|
}
|
1190 |
|
/* we restore the process signal mask as the sigreturn should
|
1191 |
|
do it (XXX: use sigsetjmp) */
|
1192 |
|
sigprocmask(SIG_SETMASK, old_set, NULL);
|
1193 |
|
cpu_loop_exit();
|
1194 |
|
/* never comes here */
|
1195 |
|
return 1;
|
1196 |
|
}
|
1197 |
|
|
1198 |
|
#else
|
1199 |
|
#error unsupported target CPU
|
1200 |
|
#endif
|
1201 |
|
|
1202 |
799 |
#if defined(__i386__)
|
1203 |
800 |
|
1204 |
801 |
#if defined(__APPLE__)
|