diff options
Diffstat (limited to 'target/loongarch/cpu.c')
| -rw-r--r-- | target/loongarch/cpu.c | 183 |
1 files changed, 92 insertions, 91 deletions
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index abad84c054..55ee317bf2 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -17,6 +17,7 @@ #include "hw/qdev-properties.h" #include "exec/translation-block.h" #include "cpu.h" +#include "cpu-mmu.h" #include "internals.h" #include "fpu/softfloat-helpers.h" #include "csr.h" @@ -376,7 +377,7 @@ static bool loongarch_cpu_has_work(CPUState *cs) { bool has_work = false; - if ((cs->interrupt_request & CPU_INTERRUPT_HARD) && + if (cpu_test_interrupt(cs, CPU_INTERRUPT_HARD) && cpu_loongarch_hw_interrupts_pending(cpu_env(cs))) { has_work = true; } @@ -422,6 +423,96 @@ static void loongarch_la464_init_csr(Object *obj) #endif } +static bool loongarch_get_lsx(Object *obj, Error **errp) +{ + return LOONGARCH_CPU(obj)->lsx != ON_OFF_AUTO_OFF; +} + +static void loongarch_set_lsx(Object *obj, bool value, Error **errp) +{ + LoongArchCPU *cpu = LOONGARCH_CPU(obj); + uint32_t val; + + cpu->lsx = value ? ON_OFF_AUTO_ON : ON_OFF_AUTO_OFF; + if (cpu->lsx == ON_OFF_AUTO_OFF) { + cpu->lasx = ON_OFF_AUTO_OFF; + if (cpu->lasx == ON_OFF_AUTO_ON) { + error_setg(errp, "Failed to disable LSX since LASX is enabled"); + return; + } + } + + if (kvm_enabled()) { + /* kvm feature detection in function kvm_arch_init_vcpu */ + return; + } + + /* LSX feature detection in TCG mode */ + val = cpu->env.cpucfg[2]; + if (cpu->lsx == ON_OFF_AUTO_ON) { + if (FIELD_EX32(val, CPUCFG2, LSX) == 0) { + error_setg(errp, "Failed to enable LSX in TCG mode"); + return; + } + } else { + cpu->env.cpucfg[2] = FIELD_DP32(val, CPUCFG2, LASX, 0); + val = cpu->env.cpucfg[2]; + } + + cpu->env.cpucfg[2] = FIELD_DP32(val, CPUCFG2, LSX, value); +} + +static bool loongarch_get_lasx(Object *obj, Error **errp) +{ + return LOONGARCH_CPU(obj)->lasx != ON_OFF_AUTO_OFF; +} + +static void loongarch_set_lasx(Object *obj, bool value, Error **errp) +{ + LoongArchCPU *cpu = LOONGARCH_CPU(obj); + uint32_t val; + + cpu->lasx = value ? ON_OFF_AUTO_ON : ON_OFF_AUTO_OFF; + if ((cpu->lsx == ON_OFF_AUTO_OFF) && (cpu->lasx == ON_OFF_AUTO_ON)) { + error_setg(errp, "Failed to enable LASX since lSX is disabled"); + return; + } + + if (kvm_enabled()) { + /* kvm feature detection in function kvm_arch_init_vcpu */ + return; + } + + /* LASX feature detection in TCG mode */ + val = cpu->env.cpucfg[2]; + if (cpu->lasx == ON_OFF_AUTO_ON) { + if (FIELD_EX32(val, CPUCFG2, LASX) == 0) { + error_setg(errp, "Failed to enable LASX in TCG mode"); + return; + } + } + + cpu->env.cpucfg[2] = FIELD_DP32(val, CPUCFG2, LASX, value); +} + +static void loongarch_cpu_post_init(Object *obj) +{ + LoongArchCPU *cpu = LOONGARCH_CPU(obj); + + cpu->lbt = ON_OFF_AUTO_OFF; + cpu->pmu = ON_OFF_AUTO_OFF; + cpu->lsx = ON_OFF_AUTO_AUTO; + cpu->lasx = ON_OFF_AUTO_AUTO; + object_property_add_bool(obj, "lsx", loongarch_get_lsx, + loongarch_set_lsx); + object_property_add_bool(obj, "lasx", loongarch_get_lasx, + loongarch_set_lasx); + /* lbt is enabled only in kvm mode, not supported in tcg mode */ + if (kvm_enabled()) { + kvm_loongarch_cpu_post_init(cpu); + } +} + static void loongarch_la464_initfn(Object *obj) { LoongArchCPU *cpu = LOONGARCH_CPU(obj); @@ -683,96 +774,6 @@ static void loongarch_cpu_unrealizefn(DeviceState *dev) lacc->parent_unrealize(dev); } -static bool loongarch_get_lsx(Object *obj, Error **errp) -{ - return LOONGARCH_CPU(obj)->lsx != ON_OFF_AUTO_OFF; -} - -static void loongarch_set_lsx(Object *obj, bool value, Error **errp) -{ - LoongArchCPU *cpu = LOONGARCH_CPU(obj); - uint32_t val; - - cpu->lsx = value ? ON_OFF_AUTO_ON : ON_OFF_AUTO_OFF; - if (cpu->lsx == ON_OFF_AUTO_OFF) { - cpu->lasx = ON_OFF_AUTO_OFF; - if (cpu->lasx == ON_OFF_AUTO_ON) { - error_setg(errp, "Failed to disable LSX since LASX is enabled"); - return; - } - } - - if (kvm_enabled()) { - /* kvm feature detection in function kvm_arch_init_vcpu */ - return; - } - - /* LSX feature detection in TCG mode */ - val = cpu->env.cpucfg[2]; - if (cpu->lsx == ON_OFF_AUTO_ON) { - if (FIELD_EX32(val, CPUCFG2, LSX) == 0) { - error_setg(errp, "Failed to enable LSX in TCG mode"); - return; - } - } else { - cpu->env.cpucfg[2] = FIELD_DP32(val, CPUCFG2, LASX, 0); - val = cpu->env.cpucfg[2]; - } - - cpu->env.cpucfg[2] = FIELD_DP32(val, CPUCFG2, LSX, value); -} - -static bool loongarch_get_lasx(Object *obj, Error **errp) -{ - return LOONGARCH_CPU(obj)->lasx != ON_OFF_AUTO_OFF; -} - -static void loongarch_set_lasx(Object *obj, bool value, Error **errp) -{ - LoongArchCPU *cpu = LOONGARCH_CPU(obj); - uint32_t val; - - cpu->lasx = value ? ON_OFF_AUTO_ON : ON_OFF_AUTO_OFF; - if ((cpu->lsx == ON_OFF_AUTO_OFF) && (cpu->lasx == ON_OFF_AUTO_ON)) { - error_setg(errp, "Failed to enable LASX since lSX is disabled"); - return; - } - - if (kvm_enabled()) { - /* kvm feature detection in function kvm_arch_init_vcpu */ - return; - } - - /* LASX feature detection in TCG mode */ - val = cpu->env.cpucfg[2]; - if (cpu->lasx == ON_OFF_AUTO_ON) { - if (FIELD_EX32(val, CPUCFG2, LASX) == 0) { - error_setg(errp, "Failed to enable LASX in TCG mode"); - return; - } - } - - cpu->env.cpucfg[2] = FIELD_DP32(val, CPUCFG2, LASX, value); -} - -void loongarch_cpu_post_init(Object *obj) -{ - LoongArchCPU *cpu = LOONGARCH_CPU(obj); - - cpu->lbt = ON_OFF_AUTO_OFF; - cpu->pmu = ON_OFF_AUTO_OFF; - cpu->lsx = ON_OFF_AUTO_AUTO; - cpu->lasx = ON_OFF_AUTO_AUTO; - object_property_add_bool(obj, "lsx", loongarch_get_lsx, - loongarch_set_lsx); - object_property_add_bool(obj, "lasx", loongarch_get_lasx, - loongarch_set_lasx); - /* lbt is enabled only in kvm mode, not supported in tcg mode */ - if (kvm_enabled()) { - kvm_loongarch_cpu_post_init(cpu); - } -} - static void loongarch_cpu_init(Object *obj) { #ifndef CONFIG_USER_ONLY |