diff options
Diffstat (limited to 'target-sparc/cpu.h')
| -rw-r--r-- | target-sparc/cpu.h | 73 |
1 files changed, 52 insertions, 21 deletions
diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h index 27b020b541..8f0484b24a 100644 --- a/target-sparc/cpu.h +++ b/target-sparc/cpu.h @@ -92,12 +92,14 @@ #define PSR_CARRY_SHIFT 20 #define PSR_CARRY (1 << PSR_CARRY_SHIFT) #define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY) +#if !defined(TARGET_SPARC64) #define PSR_EF (1<<12) #define PSR_PIL 0xf00 #define PSR_S (1<<7) #define PSR_PS (1<<6) #define PSR_ET (1<<5) #define PSR_CWP 0x1f +#endif #define CC_SRC (env->cc_src) #define CC_SRC2 (env->cc_src2) @@ -341,14 +343,16 @@ typedef struct CPUSPARCState { uint32_t wim; /* window invalid mask */ #endif target_ulong tbr; /* trap base register */ +#if !defined(TARGET_SPARC64) int psrs; /* supervisor mode (extracted from PSR) */ int psrps; /* previous supervisor mode */ -#if !defined(TARGET_SPARC64) int psret; /* enable traps */ #endif uint32_t psrpil; /* interrupt blocking level */ uint32_t pil_in; /* incoming interrupt level bitmap */ +#if !defined(TARGET_SPARC64) int psref; /* enable fpu */ +#endif target_ulong version; int interrupt_index; uint32_t nwindows; @@ -508,21 +512,41 @@ int cpu_sparc_signal_handler(int host_signum, void *pinfo, void *puc); #define CPU_SAVE_VERSION 6 /* MMU modes definitions */ +#if defined (TARGET_SPARC64) +#define MMU_USER_IDX 0 #define MMU_MODE0_SUFFIX _user -#define MMU_MODE1_SUFFIX _kernel -#ifdef TARGET_SPARC64 -#define MMU_MODE2_SUFFIX _hypv -#define MMU_MODE3_SUFFIX _nucleus -#define MMU_MODE4_SUFFIX _user_secondary -#define MMU_MODE5_SUFFIX _kernel_secondary -#endif +#define MMU_USER_SECONDARY_IDX 1 +#define MMU_MODE1_SUFFIX _user_secondary +#define MMU_KERNEL_IDX 2 +#define MMU_MODE2_SUFFIX _kernel +#define MMU_KERNEL_SECONDARY_IDX 3 +#define MMU_MODE3_SUFFIX _kernel_secondary +#define MMU_NUCLEUS_IDX 4 +#define MMU_MODE4_SUFFIX _nucleus +#define MMU_HYPV_IDX 5 +#define MMU_MODE5_SUFFIX _hypv +#else #define MMU_USER_IDX 0 +#define MMU_MODE0_SUFFIX _user #define MMU_KERNEL_IDX 1 -#define MMU_HYPV_IDX 2 -#ifdef TARGET_SPARC64 -#define MMU_NUCLEUS_IDX 3 -#define MMU_USER_SECONDARY_IDX 4 -#define MMU_KERNEL_SECONDARY_IDX 5 +#define MMU_MODE1_SUFFIX _kernel +#endif + +#if defined (TARGET_SPARC64) +static inline int cpu_has_hypervisor(CPUState *env1) +{ + return env1->def->features & CPU_FEATURE_HYPV; +} + +static inline int cpu_hypervisor_mode(CPUState *env1) +{ + return cpu_has_hypervisor(env1) && (env1->hpstate & HS_PRIV); +} + +static inline int cpu_supervisor_mode(CPUState *env1) +{ + return env1->pstate & PS_PRIV; +} #endif static inline int cpu_mmu_index(CPUState *env1) @@ -532,12 +556,15 @@ static inline int cpu_mmu_index(CPUState *env1) #elif !defined(TARGET_SPARC64) return env1->psrs; #else - if (!env1->psrs) - return MMU_USER_IDX; - else if ((env1->hpstate & HS_PRIV) == 0) - return MMU_KERNEL_IDX; - else + if (env1->tl > 0) { + return MMU_NUCLEUS_IDX; + } else if (cpu_hypervisor_mode(env1)) { return MMU_HYPV_IDX; + } else if (cpu_supervisor_mode(env1)) { + return MMU_KERNEL_IDX; + } else { + return MMU_USER_IDX; + } #endif } @@ -611,9 +638,13 @@ static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc, *cs_base = env->npc; #ifdef TARGET_SPARC64 // AM . Combined FPU enable bits . PRIV . DMMU enabled . IMMU enabled - *flags = ((env->pstate & PS_AM) << 2) - | (((env->pstate & PS_PEF) >> 1) | ((env->fprs & FPRS_FEF) << 2)) - | (env->pstate & PS_PRIV) | ((env->lsu & (DMMU_E | IMMU_E)) >> 2); + *flags = ((env->pstate & PS_AM) << 2) /* 5 */ + | (((env->pstate & PS_PEF) >> 1) /* 3 */ + | ((env->fprs & FPRS_FEF) << 2)) /* 4 */ + | (env->pstate & PS_PRIV) /* 2 */ + | ((env->lsu & (DMMU_E | IMMU_E)) >> 2) /* 1, 0 */ + | ((env->tl & 0xff) << 8) + | (env->dmmu.mmu_primary_context << 16); /* 16... */ #else // FPU enable . Supervisor *flags = (env->psref << 4) | env->psrs; |