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-rw-r--r--target-sh4/cpu.h1
-rw-r--r--target-sh4/exec.h1
-rw-r--r--target-sh4/helper.c3
-rw-r--r--target-sh4/op.c7
-rw-r--r--target-sh4/translate.c7
5 files changed, 17 insertions, 2 deletions
diff --git a/target-sh4/cpu.h b/target-sh4/cpu.h
index 9dbadf4d32..601cb247cc 100644
--- a/target-sh4/cpu.h
+++ b/target-sh4/cpu.h
@@ -117,6 +117,7 @@ typedef struct CPUSH4State {
CPU_COMMON tlb_t utlb[UTLB_SIZE]; /* unified translation table */
tlb_t itlb[ITLB_SIZE]; /* instruction translation table */
void *intc_handle;
+ int intr_at_halt; /* SR_BL ignored during sleep */
} CPUSH4State;
CPUSH4State *cpu_sh4_init(const char *cpu_model);
diff --git a/target-sh4/exec.h b/target-sh4/exec.h
index 2d333761f8..544dc0f1b1 100644
--- a/target-sh4/exec.h
+++ b/target-sh4/exec.h
@@ -41,6 +41,7 @@ static inline int cpu_halted(CPUState *env) {
return 0;
if (env->interrupt_request & CPU_INTERRUPT_HARD) {
env->halted = 0;
+ env->intr_at_halt = 1;
return 0;
}
return EXCP_HALTED;
diff --git a/target-sh4/helper.c b/target-sh4/helper.c
index 917f02f806..bdbf70ebab 100644
--- a/target-sh4/helper.c
+++ b/target-sh4/helper.c
@@ -87,9 +87,10 @@ void do_interrupt(CPUState * env)
if (do_exp && env->exception_index != 0x1e0) {
env->exception_index = 0x000; /* masked exception -> reset */
}
- if (do_irq) {
+ if (do_irq && !env->intr_at_halt) {
return; /* masked */
}
+ env->intr_at_halt = 0;
}
if (do_irq) {
diff --git a/target-sh4/op.c b/target-sh4/op.c
index 22d49138fb..37ac93099a 100644
--- a/target-sh4/op.c
+++ b/target-sh4/op.c
@@ -1091,6 +1091,13 @@ void OPPROTO op_debug(void)
cpu_loop_exit();
}
+void OPPROTO op_sleep(void)
+{
+ env->halted = 1;
+ env->exception_index = EXCP_HLT;
+ cpu_loop_exit();
+}
+
/* Load and store */
#define MEMSUFFIX _raw
#include "op_mem.c"
diff --git a/target-sh4/translate.c b/target-sh4/translate.c
index 15500a6c73..6f9fe33d3e 100644
--- a/target-sh4/translate.c
+++ b/target-sh4/translate.c
@@ -298,7 +298,12 @@ void _decode_opc(DisasContext * ctx)
case 0x0009: /* nop */
return;
case 0x001b: /* sleep */
- assert(0); /* XXXXX */
+ if (ctx->memidx) {
+ gen_op_sleep();
+ } else {
+ gen_op_raise_illegal_instruction();
+ ctx->bstate = BS_EXCP;
+ }
return;
}