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target-alpha: Implement do_interrupt for system mode. 

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2011-04-18 14:05:35 -07:00 committed by Richard Henderson
parent 26b4609447
commit 3a6fa678bf
1 changed files with 111 additions and 10 deletions
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121
target-alpha/helper.c
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@ -160,7 +160,6 @@ void cpu_alpha_store_fpcr (CPUState *env, uint64_t val)
}
#if defined(CONFIG_USER_ONLY)
int cpu_alpha_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
int mmu_idx, int is_softmmu)
{
@ -168,14 +167,7 @@ int cpu_alpha_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
env->trap_arg0 = address;
return 1;
}
void do_interrupt (CPUState *env)
{
env->exception_index = -1;
}
#else
target_phys_addr_t cpu_get_phys_page_debug (CPUState *env, target_ulong addr)
{
return -1;
@ -186,12 +178,121 @@ int cpu_alpha_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
{
return 0;
}
#endif /* USER_ONLY */
void do_interrupt (CPUState *env)
{
abort();
int i = env->exception_index;
if (qemu_loglevel_mask(CPU_LOG_INT)) {
static int count;
const char *name = "<unknown>";
switch (i) {
case EXCP_RESET:
name = "reset";
break;
case EXCP_MCHK:
name = "mchk";
break;
case EXCP_SMP_INTERRUPT:
name = "smp_interrupt";
break;
case EXCP_CLK_INTERRUPT:
name = "clk_interrupt";
break;
case EXCP_DEV_INTERRUPT:
name = "dev_interrupt";
break;
case EXCP_MMFAULT:
name = "mmfault";
break;
case EXCP_UNALIGN:
name = "unalign";
break;
case EXCP_OPCDEC:
name = "opcdec";
break;
case EXCP_ARITH:
name = "arith";
break;
case EXCP_FEN:
name = "fen";
break;
case EXCP_CALL_PAL:
name = "call_pal";
break;
case EXCP_STL_C:
name = "stl_c";
break;
case EXCP_STQ_C:
name = "stq_c";
break;
}
qemu_log("INT %6d: %s(%#x) pc=%016" PRIx64 " sp=%016" PRIx64 "\n",
++count, name, env->error_code, env->pc, env->ir[IR_SP]);
}
env->exception_index = -1;
#if !defined(CONFIG_USER_ONLY)
switch (i) {
case EXCP_RESET:
i = 0x0000;
break;
case EXCP_MCHK:
i = 0x0080;
break;
case EXCP_SMP_INTERRUPT:
i = 0x0100;
break;
case EXCP_CLK_INTERRUPT:
i = 0x0180;
break;
case EXCP_DEV_INTERRUPT:
i = 0x0200;
break;
case EXCP_MMFAULT:
i = 0x0280;
break;
case EXCP_UNALIGN:
i = 0x0300;
break;
case EXCP_OPCDEC:
i = 0x0380;
break;
case EXCP_ARITH:
i = 0x0400;
break;
case EXCP_FEN:
i = 0x0480;
break;
case EXCP_CALL_PAL:
i = env->error_code;
/* There are 64 entry points for both privileged and unprivileged,
with bit 0x80 indicating unprivileged. Each entry point gets
64 bytes to do its job. */
if (i & 0x80) {
i = 0x2000 + (i - 0x80) * 64;
} else {
i = 0x1000 + i * 64;
}
break;
default:
cpu_abort(env, "Unhandled CPU exception");
}
/* Remember where the exception happened. Emulate real hardware in
that the low bit of the PC indicates PALmode. */
env->exc_addr = env->pc | env->pal_mode;
/* Continue execution at the PALcode entry point. */
env->pc = env->palbr + i;
/* Switch to PALmode. */
env->pal_mode = 1;
#endif /* !USER_ONLY */
}
#endif
void cpu_dump_state (CPUState *env, FILE *f, fprintf_function cpu_fprintf,
int flags)