diff options
Diffstat (limited to 'target/mips/translate.h')
| -rw-r--r-- | target/mips/translate.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/target/mips/translate.h b/target/mips/translate.h index a3f4a56750..1b918a439b 100644 --- a/target/mips/translate.h +++ b/target/mips/translate.h @@ -52,6 +52,77 @@ typedef struct DisasContext { /* MIPS major opcodes */ #define MASK_OP_MAJOR(op) (op & (0x3F << 26)) +#define OPC_CP1 (0x11 << 26) + +/* Coprocessor 1 (rs field) */ +#define MASK_CP1(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21))) + +/* Values for the fmt field in FP instructions */ +enum { + /* 0 - 15 are reserved */ + FMT_S = 16, /* single fp */ + FMT_D = 17, /* double fp */ + FMT_E = 18, /* extended fp */ + FMT_Q = 19, /* quad fp */ + FMT_W = 20, /* 32-bit fixed */ + FMT_L = 21, /* 64-bit fixed */ + FMT_PS = 22, /* paired single fp */ + /* 23 - 31 are reserved */ +}; + +enum { + OPC_MFC1 = (0x00 << 21) | OPC_CP1, + OPC_DMFC1 = (0x01 << 21) | OPC_CP1, + OPC_CFC1 = (0x02 << 21) | OPC_CP1, + OPC_MFHC1 = (0x03 << 21) | OPC_CP1, + OPC_MTC1 = (0x04 << 21) | OPC_CP1, + OPC_DMTC1 = (0x05 << 21) | OPC_CP1, + OPC_CTC1 = (0x06 << 21) | OPC_CP1, + OPC_MTHC1 = (0x07 << 21) | OPC_CP1, + OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */ + OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1, + OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1, + OPC_BZ_V = (0x0B << 21) | OPC_CP1, + OPC_BNZ_V = (0x0F << 21) | OPC_CP1, + OPC_S_FMT = (FMT_S << 21) | OPC_CP1, + OPC_D_FMT = (FMT_D << 21) | OPC_CP1, + OPC_E_FMT = (FMT_E << 21) | OPC_CP1, + OPC_Q_FMT = (FMT_Q << 21) | OPC_CP1, + OPC_W_FMT = (FMT_W << 21) | OPC_CP1, + OPC_L_FMT = (FMT_L << 21) | OPC_CP1, + OPC_PS_FMT = (FMT_PS << 21) | OPC_CP1, + OPC_BC1EQZ = (0x09 << 21) | OPC_CP1, + OPC_BC1NEZ = (0x0D << 21) | OPC_CP1, + OPC_BZ_B = (0x18 << 21) | OPC_CP1, + OPC_BZ_H = (0x19 << 21) | OPC_CP1, + OPC_BZ_W = (0x1A << 21) | OPC_CP1, + OPC_BZ_D = (0x1B << 21) | OPC_CP1, + OPC_BNZ_B = (0x1C << 21) | OPC_CP1, + OPC_BNZ_H = (0x1D << 21) | OPC_CP1, + OPC_BNZ_W = (0x1E << 21) | OPC_CP1, + OPC_BNZ_D = (0x1F << 21) | OPC_CP1, +}; + +#define MASK_CP1_FUNC(op) (MASK_CP1(op) | (op & 0x3F)) +#define MASK_BC1(op) (MASK_CP1(op) | (op & (0x3 << 16))) + +enum { + OPC_BC1F = (0x00 << 16) | OPC_BC1, + OPC_BC1T = (0x01 << 16) | OPC_BC1, + OPC_BC1FL = (0x02 << 16) | OPC_BC1, + OPC_BC1TL = (0x03 << 16) | OPC_BC1, +}; + +enum { + OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2, + OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2, +}; + +enum { + OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4, + OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4, +}; + void generate_exception(DisasContext *ctx, int excp); void generate_exception_err(DisasContext *ctx, int excp, int err); void generate_exception_end(DisasContext *ctx, int excp); |