Now that cs->interrupt_request indicates if there is any unmasked
interrupt, checking if the CPU has work to do can be simplified to a
single check that works for all CPU models.
Signed-off-by: Matheus Ferst <matheus.fe...@eldorado.org.br>
---
target/ppc/cpu_init.c | 212 +-----------------------------------------
1 file changed, 1 insertion(+), 211 deletions(-)
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 850334545a..303e81596d 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -5923,46 +5923,10 @@ static bool ppc_pvr_match_power7(PowerPCCPUClass *pcc,
uint32_t pvr)
return false;
}
-static bool cpu_has_work_POWER7(CPUState *cs)
-{
- PowerPCCPU *cpu = POWERPC_CPU(cs);
- CPUPPCState *env = &cpu->env;
-
- if (cs->halted) {
- if (!(cs->interrupt_request & CPU_INTERRUPT_HARD)) {
- return false;
- }
- if ((env->pending_interrupts & PPC_INTERRUPT_EXT) &&
- (env->spr[SPR_LPCR] & LPCR_P7_PECE0)) {
- return true;
- }
- if ((env->pending_interrupts & PPC_INTERRUPT_DECR) &&
- (env->spr[SPR_LPCR] & LPCR_P7_PECE1)) {
- return true;
- }
- if ((env->pending_interrupts & PPC_INTERRUPT_MCK) &&
- (env->spr[SPR_LPCR] & LPCR_P7_PECE2)) {
- return true;
- }
- if ((env->pending_interrupts & PPC_INTERRUPT_HMI) &&
- (env->spr[SPR_LPCR] & LPCR_P7_PECE2)) {
- return true;
- }
- if (env->pending_interrupts & PPC_INTERRUPT_RESET) {
- return true;
- }
- return false;
- } else {
- return FIELD_EX64(env->msr, MSR, EE) &&
- (cs->interrupt_request & CPU_INTERRUPT_HARD);
- }
-}
-
POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
- CPUClass *cc = CPU_CLASS(oc);
dc->fw_name = "PowerPC,POWER7";
dc->desc = "POWER7";
@@ -5971,7 +5935,6 @@ POWERPC_FAMILY(POWER7)(ObjectClass *oc, void *data)
pcc->pcr_supported = PCR_COMPAT_2_06 | PCR_COMPAT_2_05;
pcc->init_proc = init_proc_POWER7;
pcc->check_pow = check_pow_nocheck;
- cc->has_work = cpu_has_work_POWER7;
pcc->insns_flags = PPC_INSNS_BASE | PPC_ISEL | PPC_STRING | PPC_MFTB |
PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES |
PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE |
@@ -6087,54 +6050,10 @@ static bool ppc_pvr_match_power8(PowerPCCPUClass *pcc,
uint32_t pvr)
return false;
}
-static bool cpu_has_work_POWER8(CPUState *cs)
-{
- PowerPCCPU *cpu = POWERPC_CPU(cs);
- CPUPPCState *env = &cpu->env;
-
- if (cs->halted) {
- if (!(cs->interrupt_request & CPU_INTERRUPT_HARD)) {
- return false;
- }
- if ((env->pending_interrupts & PPC_INTERRUPT_EXT) &&
- (env->spr[SPR_LPCR] & LPCR_P8_PECE2)) {
- return true;
- }
- if ((env->pending_interrupts & PPC_INTERRUPT_DECR) &&
- (env->spr[SPR_LPCR] & LPCR_P8_PECE3)) {
- return true;
- }
- if ((env->pending_interrupts & PPC_INTERRUPT_MCK) &&
- (env->spr[SPR_LPCR] & LPCR_P8_PECE4)) {
- return true;
- }
- if ((env->pending_interrupts & PPC_INTERRUPT_HMI) &&
- (env->spr[SPR_LPCR] & LPCR_P8_PECE4)) {
- return true;
- }
- if ((env->pending_interrupts & PPC_INTERRUPT_DOORBELL) &&
- (env->spr[SPR_LPCR] & LPCR_P8_PECE0)) {
- return true;
- }
- if ((env->pending_interrupts & PPC_INTERRUPT_HDOORBELL) &&
- (env->spr[SPR_LPCR] & LPCR_P8_PECE1)) {
- return true;
- }
- if (env->pending_interrupts & PPC_INTERRUPT_RESET) {
- return true;
- }
- return false;
- } else {
- return FIELD_EX64(env->msr, MSR, EE) &&
- (cs->interrupt_request & CPU_INTERRUPT_HARD);
- }
-}
-
POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
- CPUClass *cc = CPU_CLASS(oc);
dc->fw_name = "PowerPC,POWER8";
dc->desc = "POWER8";
@@ -6143,7 +6062,6 @@ POWERPC_FAMILY(POWER8)(ObjectClass *oc, void *data)
pcc->pcr_supported = PCR_COMPAT_2_07 | PCR_COMPAT_2_06 | PCR_COMPAT_2_05;
pcc->init_proc = init_proc_POWER8;
pcc->check_pow = check_pow_nocheck;
- cc->has_work = cpu_has_work_POWER8;
pcc->insns_flags = PPC_INSNS_BASE | PPC_ISEL | PPC_STRING | PPC_MFTB |
PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES |
PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE |
@@ -6290,71 +6208,10 @@ static bool ppc_pvr_match_power9(PowerPCCPUClass *pcc,
uint32_t pvr)
return false;
}
-static bool cpu_has_work_POWER9(CPUState *cs)
-{
- PowerPCCPU *cpu = POWERPC_CPU(cs);
- CPUPPCState *env = &cpu->env;
-
- if (cs->halted) {
- uint64_t psscr = env->spr[SPR_PSSCR];
-
- if (!(cs->interrupt_request & CPU_INTERRUPT_HARD)) {
- return false;
- }
-
- /* If EC is clear, just return true on any pending interrupt */
- if (!(psscr & PSSCR_EC)) {
- return true;
- }
- /* External Exception */
- if ((env->pending_interrupts & PPC_INTERRUPT_EXT) &&
- (env->spr[SPR_LPCR] & LPCR_EEE)) {
- bool heic = !!(env->spr[SPR_LPCR] & LPCR_HEIC);
- if (!heic || !FIELD_EX64_HV(env->msr) ||
- FIELD_EX64(env->msr, MSR, PR)) {
- return true;
- }
- }
- /* Decrementer Exception */
- if ((env->pending_interrupts & PPC_INTERRUPT_DECR) &&
- (env->spr[SPR_LPCR] & LPCR_DEE)) {
- return true;
- }
- /* Machine Check or Hypervisor Maintenance Exception */
- if ((env->pending_interrupts & (PPC_INTERRUPT_MCK | PPC_INTERRUPT_HMI))
- && (env->spr[SPR_LPCR] & LPCR_OEE)) {
- return true;
- }
- /* Privileged Doorbell Exception */
- if ((env->pending_interrupts & PPC_INTERRUPT_DOORBELL) &&
- (env->spr[SPR_LPCR] & LPCR_PDEE)) {
- return true;
- }
- /* Hypervisor Doorbell Exception */
- if ((env->pending_interrupts & PPC_INTERRUPT_HDOORBELL) &&
- (env->spr[SPR_LPCR] & LPCR_HDEE)) {
- return true;
- }
- /* Hypervisor virtualization exception */
- if ((env->pending_interrupts & PPC_INTERRUPT_HVIRT) &&
- (env->spr[SPR_LPCR] & LPCR_HVEE)) {
- return true;
- }
- if (env->pending_interrupts & PPC_INTERRUPT_RESET) {
- return true;
- }
- return false;
- } else {
- return FIELD_EX64(env->msr, MSR, EE) &&
- (cs->interrupt_request & CPU_INTERRUPT_HARD);
- }
-}
-
POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
- CPUClass *cc = CPU_CLASS(oc);
dc->fw_name = "PowerPC,POWER9";
dc->desc = "POWER9";
@@ -6364,7 +6221,6 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data)
PCR_COMPAT_2_05;
pcc->init_proc = init_proc_POWER9;
pcc->check_pow = check_pow_nocheck;
- cc->has_work = cpu_has_work_POWER9;
pcc->insns_flags = PPC_INSNS_BASE | PPC_ISEL | PPC_STRING | PPC_MFTB |
PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES |
PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE |
@@ -6507,71 +6363,10 @@ static bool ppc_pvr_match_power10(PowerPCCPUClass *pcc,
uint32_t pvr)
return false;
}
-static bool cpu_has_work_POWER10(CPUState *cs)
-{
- PowerPCCPU *cpu = POWERPC_CPU(cs);
- CPUPPCState *env = &cpu->env;
-
- if (cs->halted) {
- uint64_t psscr = env->spr[SPR_PSSCR];
-
- if (!(cs->interrupt_request & CPU_INTERRUPT_HARD)) {
- return false;
- }
-
- /* If EC is clear, just return true on any pending interrupt */
- if (!(psscr & PSSCR_EC)) {
- return true;
- }
- /* External Exception */
- if ((env->pending_interrupts & PPC_INTERRUPT_EXT) &&
- (env->spr[SPR_LPCR] & LPCR_EEE)) {
- bool heic = !!(env->spr[SPR_LPCR] & LPCR_HEIC);
- if (!heic || !FIELD_EX64_HV(env->msr) ||
- FIELD_EX64(env->msr, MSR, PR)) {
- return true;
- }
- }
- /* Decrementer Exception */
- if ((env->pending_interrupts & PPC_INTERRUPT_DECR) &&
- (env->spr[SPR_LPCR] & LPCR_DEE)) {
- return true;
- }
- /* Machine Check or Hypervisor Maintenance Exception */
- if ((env->pending_interrupts & (PPC_INTERRUPT_MCK | PPC_INTERRUPT_HMI))
- && (env->spr[SPR_LPCR] & LPCR_OEE)) {
- return true;
- }
- /* Privileged Doorbell Exception */
- if ((env->pending_interrupts & PPC_INTERRUPT_DOORBELL) &&
- (env->spr[SPR_LPCR] & LPCR_PDEE)) {
- return true;
- }
- /* Hypervisor Doorbell Exception */
- if ((env->pending_interrupts & PPC_INTERRUPT_HDOORBELL) &&
- (env->spr[SPR_LPCR] & LPCR_HDEE)) {
- return true;
- }
- /* Hypervisor virtualization exception */
- if ((env->pending_interrupts & PPC_INTERRUPT_HVIRT) &&
- (env->spr[SPR_LPCR] & LPCR_HVEE)) {
- return true;
- }
- if (env->pending_interrupts & PPC_INTERRUPT_RESET) {
- return true;
- }
- return false;
- } else {
- return FIELD_EX64(env->msr, MSR, EE) &&
- (cs->interrupt_request & CPU_INTERRUPT_HARD);
- }
-}
-
POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
- CPUClass *cc = CPU_CLASS(oc);
dc->fw_name = "PowerPC,POWER10";
dc->desc = "POWER10";
@@ -6582,7 +6377,6 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data)
PCR_COMPAT_2_06 | PCR_COMPAT_2_05;
pcc->init_proc = init_proc_POWER10;
pcc->check_pow = check_pow_nocheck;
- cc->has_work = cpu_has_work_POWER10;
pcc->insns_flags = PPC_INSNS_BASE | PPC_ISEL | PPC_STRING | PPC_MFTB |
PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES |
PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE |
@@ -7139,11 +6933,7 @@ static void ppc_cpu_set_pc(CPUState *cs, vaddr value)
static bool ppc_cpu_has_work(CPUState *cs)
{
- PowerPCCPU *cpu = POWERPC_CPU(cs);
- CPUPPCState *env = &cpu->env;
-
- return FIELD_EX64(env->msr, MSR, EE) &&
- (cs->interrupt_request & CPU_INTERRUPT_HARD);
+ return cs->interrupt_request & CPU_INTERRUPT_HARD;
}
static void ppc_cpu_reset(DeviceState *dev)
--
2.25.1
