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target/ppc: unify cpu->has_work based on cs->interrupt_request 

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 <farosas@linux.ibm.com>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20221021142156.4134411-3-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Matheus Ferst 2022-10-21 11:21:55 -03:00 committed by Daniel Henrique Barboza
parent 2fdedcbc69
commit ab9cfa0452
1 changed files with 1 additions and 93 deletions
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94
target/ppc/cpu_init.c
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@ -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 |
@ -7216,11 +7128,7 @@ static void ppc_restore_state_to_opc(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)