This patch adds sleep instruction.
(Shin-ichiro KAWASAKI)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5065
c046a42c-6fe2-441c-8c8c-
71466251a162
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);
return 0;
if (env->interrupt_request & CPU_INTERRUPT_HARD) {
env->halted = 0;
+ env->intr_at_halt = 1;
return 0;
}
return EXCP_HALTED;
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) {
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"
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;
}