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sparc exception fix (we go up to the shell prompt)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1343 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-03-20 12:43:29 +00:00
parent 86bd2ca58a
commit c3278b7bf0
4 changed files with 22 additions and 4 deletions
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1
exec-all.h
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@ -61,6 +61,7 @@ extern target_ulong gen_opc_pc[OPC_BUF_SIZE];
extern target_ulong gen_opc_npc[OPC_BUF_SIZE];
extern uint8_t gen_opc_cc_op[OPC_BUF_SIZE];
extern uint8_t gen_opc_instr_start[OPC_BUF_SIZE];
extern target_ulong gen_opc_jump_pc[2];
typedef void (GenOpFunc)(void);
typedef void (GenOpFunc1)(long);

2
target-sparc/helper.c
View File

@ -94,7 +94,7 @@ void tlb_fill(target_ulong addr, int is_write, int is_user, void *retaddr)
if (tb) {
/* the PC is inside the translated code. It means that we have
a virtual CPU fault */
cpu_restore_state(tb, env, pc, NULL);
cpu_restore_state(tb, env, pc, (void *)T2);
}
}
cpu_loop_exit();

2
target-sparc/translate.c
View File

@ -1582,6 +1582,8 @@ static inline int gen_intermediate_code_internal(TranslationBlock * tb,
page_dump(logfile);
}
#endif
gen_opc_jump_pc[0] = dc->jump_pc[0];
gen_opc_jump_pc[1] = dc->jump_pc[1];
} else {
tb->size = last_pc + 4 - pc_start;
}

21
translate-all.c
View File

@ -52,6 +52,7 @@ uint8_t gen_opc_instr_start[OPC_BUF_SIZE];
uint8_t gen_opc_cc_op[OPC_BUF_SIZE];
#elif defined(TARGET_SPARC)
target_ulong gen_opc_npc[OPC_BUF_SIZE];
target_ulong gen_opc_jump_pc[2];
#endif
int code_copy_enabled = 1;
@ -244,9 +245,23 @@ int cpu_restore_state(TranslationBlock *tb,
#elif defined(TARGET_ARM)
env->regs[15] = gen_opc_pc[j];
#elif defined(TARGET_SPARC)
/* XXX: restore npc too */
env->pc = gen_opc_pc[j];
env->npc = gen_opc_npc[j];
{
target_ulong npc;
env->pc = gen_opc_pc[j];
npc = gen_opc_npc[j];
if (npc == 1) {
/* dynamic NPC: already stored */
} else if (npc == 2) {
target_ulong t2 = (target_ulong)puc;
/* jump PC: use T2 and the jump targets of the translation */
if (t2)
env->npc = gen_opc_jump_pc[0];
else
env->npc = gen_opc_jump_pc[1];
} else {
env->npc = npc;
}
}
#elif defined(TARGET_PPC)
{
int type;