diff options
Diffstat (limited to 'target/sparc/cpu.h')
| -rw-r--r-- | target/sparc/cpu.h | 76 |
1 files changed, 43 insertions, 33 deletions
diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h index b3a98f1d74..758a4e8aaa 100644 --- a/target/sparc/cpu.h +++ b/target/sparc/cpu.h @@ -6,6 +6,29 @@ #include "exec/cpu-defs.h" #include "qemu/cpu-float.h" +/* + * From Oracle SPARC Architecture 2015: + * + * Compatibility notes: The PSO memory model described in SPARC V8 and + * SPARC V9 compatibility architecture specifications was never implemented + * in a SPARC V9 implementation and is not included in the Oracle SPARC + * Architecture specification. + * + * The RMO memory model described in the SPARC V9 specification was + * implemented in some non-Sun SPARC V9 implementations, but is not + * directly supported in Oracle SPARC Architecture 2015 implementations. + * + * Therefore always use TSO in QEMU. + * + * D.5 Specification of Partial Store Order (PSO) + * ... [loads] are followed by an implied MEMBAR #LoadLoad | #LoadStore. + * + * D.6 Specification of Total Store Order (TSO) + * ... PSO with the additional requirement that all [stores] are followed + * by an implied MEMBAR #StoreStore. + */ +#define TCG_GUEST_DEFAULT_MO (TCG_MO_LD_LD | TCG_MO_LD_ST | TCG_MO_ST_ST) + #if !defined(TARGET_SPARC64) #define TARGET_DPREGS 16 #else @@ -268,38 +291,27 @@ struct sparc_def_t { uint32_t maxtl; }; -#define CPU_FEATURE_FLOAT (1 << 0) -#define CPU_FEATURE_FLOAT128 (1 << 1) -#define CPU_FEATURE_SWAP (1 << 2) -#define CPU_FEATURE_MUL (1 << 3) -#define CPU_FEATURE_DIV (1 << 4) -#define CPU_FEATURE_FLUSH (1 << 5) -#define CPU_FEATURE_FSQRT (1 << 6) -#define CPU_FEATURE_FMUL (1 << 7) -#define CPU_FEATURE_VIS1 (1 << 8) -#define CPU_FEATURE_VIS2 (1 << 9) -#define CPU_FEATURE_FSMULD (1 << 10) -#define CPU_FEATURE_HYPV (1 << 11) -#define CPU_FEATURE_CMT (1 << 12) -#define CPU_FEATURE_GL (1 << 13) -#define CPU_FEATURE_TA0_SHUTDOWN (1 << 14) /* Shutdown on "ta 0x0" */ -#define CPU_FEATURE_ASR17 (1 << 15) -#define CPU_FEATURE_CACHE_CTRL (1 << 16) -#define CPU_FEATURE_POWERDOWN (1 << 17) -#define CPU_FEATURE_CASA (1 << 18) +#define FEATURE(X) CPU_FEATURE_BIT_##X, +enum { +#include "cpu-feature.h.inc" +}; + +#undef FEATURE +#define FEATURE(X) CPU_FEATURE_##X = 1u << CPU_FEATURE_BIT_##X, + +enum { +#include "cpu-feature.h.inc" +}; + +#undef FEATURE #ifndef TARGET_SPARC64 -#define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \ - CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ - CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \ - CPU_FEATURE_FMUL | CPU_FEATURE_FSMULD) +#define CPU_DEFAULT_FEATURES (CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ + CPU_FEATURE_FSMULD) #else -#define CPU_DEFAULT_FEATURES (CPU_FEATURE_FLOAT | CPU_FEATURE_SWAP | \ - CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ - CPU_FEATURE_FLUSH | CPU_FEATURE_FSQRT | \ - CPU_FEATURE_FMUL | CPU_FEATURE_VIS1 | \ - CPU_FEATURE_VIS2 | CPU_FEATURE_FSMULD | \ - CPU_FEATURE_CASA) +#define CPU_DEFAULT_FEATURES (CPU_FEATURE_MUL | CPU_FEATURE_DIV | \ + CPU_FEATURE_FSMULD | CPU_FEATURE_CASA | \ + CPU_FEATURE_VIS1 | CPU_FEATURE_VIS2) enum { mmu_us_12, // Ultrasparc < III (64 entry TLB) mmu_us_3, // Ultrasparc III (512 entry TLB) @@ -782,14 +794,12 @@ static inline void cpu_get_tb_cpu_state(CPUSPARCState *env, vaddr *pc, if (env->pstate & PS_AM) { flags |= TB_FLAG_AM_ENABLED; } - if ((env->def.features & CPU_FEATURE_FLOAT) - && (env->pstate & PS_PEF) - && (env->fprs & FPRS_FEF)) { + if ((env->pstate & PS_PEF) && (env->fprs & FPRS_FEF)) { flags |= TB_FLAG_FPU_ENABLED; } flags |= env->asi << TB_FLAG_ASI_SHIFT; #else - if ((env->def.features & CPU_FEATURE_FLOAT) && env->psref) { + if (env->psref) { flags |= TB_FLAG_FPU_ENABLED; } #endif |