diff options
Diffstat (limited to 'target-sparc/cpu.h')
| -rw-r--r-- | target-sparc/cpu.h | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h index adf8df2c9d..a66d2e36d7 100644 --- a/target-sparc/cpu.h +++ b/target-sparc/cpu.h @@ -10,23 +10,42 @@ /* trap definitions */ #define TT_ILL_INSN 0x02 #define TT_PRIV_INSN 0x03 +#define TT_NFPU_INSN 0x04 #define TT_WIN_OVF 0x05 #define TT_WIN_UNF 0x06 #define TT_FP_EXCP 0x08 #define TT_DIV_ZERO 0x2a #define TT_TRAP 0x80 +#define TT_EXTINT 0x10 #define PSR_NEG (1<<23) #define PSR_ZERO (1<<22) #define PSR_OVF (1<<21) #define PSR_CARRY (1<<20) #define PSR_ICC (PSR_NEG|PSR_ZERO|PSR_OVF|PSR_CARRY) +#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 /* Fake impl 0, version 4 */ -#define GET_PSR(env) ((0<<28) | (4<<24) | env->psr | (env->psrs? PSR_S : 0) | (env->psrs? PSR_PS : 0) |(env->psret? PSR_ET : 0) | env->cwp) +#define GET_PSR(env) ((0 << 28) | (4 << 24) | env->psr | \ + (env->psref? PSR_EF : 0) | \ + (env->psrpil << 8) | \ + (env->psrs? PSR_S : 0) | \ + (env->psrs? PSR_PS : 0) | \ + (env->psret? PSR_ET : 0) | env->cwp) + +#define PUT_PSR(env, val) do { int _tmp = val; \ + env->psr = _tmp & ~PSR_ICC; \ + env->psref = (_tmp & PSR_EF)? 1 : 0; \ + env->psrpil = (_tmp & PSR_PIL) >> 8; \ + env->psrs = (_tmp & PSR_S)? 1 : 0; \ + env->psrps = (_tmp & PSR_PS)? 1 : 0; \ + env->psret = (_tmp & PSR_ET)? 1 : 0; \ + set_cwp(_tmp & PSR_CWP & (NWINDOWS - 1)); \ + } while (0) /* Trap base register */ #define TBR_BASE_MASK 0xfffff000 @@ -65,6 +84,9 @@ #define FSR_FTT1 (1<<15) #define FSR_FTT0 (1<<14) #define FSR_FTT_MASK (FSR_FTT2 | FSR_FTT1 | FSR_FTT0) +#define FSR_FTT_IEEE_EXCP (1 << 14) +#define FSR_FTT_UNIMPFPOP (3 << 14) +#define FSR_FTT_INVAL_FPR (6 << 14) #define FSR_FCC1 (1<<11) #define FSR_FCC0 (1<<10) @@ -106,6 +128,8 @@ typedef struct CPUSPARCState { int psrs; /* supervisor mode (extracted from PSR) */ int psrps; /* previous supervisor mode */ int psret; /* enable traps */ + int psrpil; /* interrupt level */ + int psref; /* enable fpu */ jmp_buf jmp_env; int user_mode_only; int exception_index; @@ -144,6 +168,8 @@ typedef struct CPUSPARCState { CPUSPARCState *cpu_sparc_init(void); int cpu_sparc_exec(CPUSPARCState *s); int cpu_sparc_close(CPUSPARCState *s); +void cpu_get_fp64(uint64_t *pmant, uint16_t *pexp, double f); +double cpu_put_fp64(uint64_t mant, uint16_t exp); struct siginfo; int cpu_sparc_signal_handler(int hostsignum, struct siginfo *info, void *puc); |