diff options
| -rw-r--r-- | hw/mips_int.c | 23 | ||||
| -rw-r--r-- | target-mips/cpu.h | 3 | ||||
| -rw-r--r-- | target-mips/op_helper.c | 11 |
3 files changed, 6 insertions, 31 deletions
diff --git a/hw/mips_int.c b/hw/mips_int.c index c30954c..80488ba 100644 --- a/hw/mips_int.c +++ b/hw/mips_int.c @@ -24,22 +24,6 @@ #include "mips_cpudevs.h" #include "cpu.h" -/* Raise IRQ to CPU if necessary. It must be called every time the active - IRQ may change */ -void cpu_mips_update_irq(CPUState *env) -{ - if ((env->CP0_Status & (1 << CP0St_IE)) && - !(env->CP0_Status & (1 << CP0St_EXL)) && - !(env->CP0_Status & (1 << CP0St_ERL)) && - !(env->hflags & MIPS_HFLAG_DM)) { - if ((env->CP0_Status & env->CP0_Cause & CP0Ca_IP_mask) && - !(env->interrupt_request & CPU_INTERRUPT_HARD)) { - cpu_interrupt(env, CPU_INTERRUPT_HARD); - } - } else - cpu_reset_interrupt(env, CPU_INTERRUPT_HARD); -} - static void cpu_mips_irq_request(void *opaque, int irq, int level) { CPUState *env = (CPUState *)opaque; @@ -52,7 +36,12 @@ static void cpu_mips_irq_request(void *opaque, int irq, int level) } else { env->CP0_Cause &= ~(1 << (irq + CP0Ca_IP)); } - cpu_mips_update_irq(env); + + if (env->CP0_Cause & CP0Ca_IP_mask) { + cpu_interrupt(env, CPU_INTERRUPT_HARD); + } else { + cpu_reset_interrupt(env, CPU_INTERRUPT_HARD); + } } void cpu_mips_irq_init_cpu(CPUState *env) diff --git a/target-mips/cpu.h b/target-mips/cpu.h index 81051aa..1578850 100644 --- a/target-mips/cpu.h +++ b/target-mips/cpu.h @@ -597,9 +597,6 @@ void cpu_mips_store_compare (CPUState *env, uint32_t value); void cpu_mips_start_count(CPUState *env); void cpu_mips_stop_count(CPUState *env); -/* mips_int.c */ -void cpu_mips_update_irq (CPUState *env); - /* helper.c */ int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw, int mmu_idx, int is_softmmu); diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index 8ae510a..c963224 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -1313,7 +1313,6 @@ void helper_mtc0_status (target_ulong arg1) default: cpu_abort(env, "Invalid MMU mode!\n"); break; } } - cpu_mips_update_irq(env); } void helper_mttc0_status(target_ulong arg1) @@ -1359,12 +1358,6 @@ void helper_mtc0_cause (target_ulong arg1) else cpu_mips_start_count(env); } - - /* Handle the software interrupt as an hardware one, as they - are very similar */ - if (arg1 & CP0Ca_IP_mask) { - cpu_mips_update_irq(env); - } } void helper_mtc0_ebase (target_ulong arg1) @@ -1793,8 +1786,6 @@ target_ulong helper_di (void) target_ulong t0 = env->CP0_Status; env->CP0_Status = t0 & ~(1 << CP0St_IE); - cpu_mips_update_irq(env); - return t0; } @@ -1803,8 +1794,6 @@ target_ulong helper_ei (void) target_ulong t0 = env->CP0_Status; env->CP0_Status = t0 | (1 << CP0St_IE); - cpu_mips_update_irq(env); - return t0; } |