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.
Reviewed-by: Fabiano Rosas <faro...@linux.ibm.com>
Signed-off-by: Matheus Ferst <matheus.fe...@eldorado.org.br>
---
target/ppc/cpu_init.c | 94 +------------------------------------------
1 file changed, 1 insertion(+), 93 deletions(-)
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 0adc866485..15d549ad38 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -5984,27 +5984,10 @@ int p7_interrupt_powersave(CPUPPCState *env)
return 0;
}
-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;
- }
- return p7_interrupt_powersave(env) != 0;
- } 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";
@@ -6013,7 +5996,6 @@ 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 |
@@ -6170,27 +6152,10 @@ int p8_interrupt_powersave(CPUPPCState *env)
return 0;
}
-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;
- }
- return p8_interrupt_powersave(env) != 0;
- } 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";
@@ -6199,7 +6164,6 @@ 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 |
@@ -6407,35 +6371,10 @@ int p9_interrupt_powersave(CPUPPCState *env)
return 0;
}
-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;
- }
-
- return p9_interrupt_powersave(env) != 0;
- } 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";
@@ -6445,7 +6384,6 @@ 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 |
@@ -6604,35 +6542,10 @@ static bool ppc_pvr_match_power10(PowerPCCPUClass *pcc,
uint32_t pvr, bool best)
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;
- }
-
- return p9_interrupt_powersave(env) != 0;
- } 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";
@@ -6643,7 +6556,6 @@ 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 |
@@ -7207,11 +7119,7 @@ static vaddr ppc_cpu_get_pc(CPUState *cs)
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
