diff options
Diffstat (limited to 'include/opcode/mips.h')
| -rw-r--r-- | include/opcode/mips.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/include/opcode/mips.h b/include/opcode/mips.h index 06f5625..801999c 100644 --- a/include/opcode/mips.h +++ b/include/opcode/mips.h @@ -133,6 +133,16 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * #define OP_MASK_SEL 0x7 /* The sel field of mfcZ and mtcZ. */ #define OP_SH_CODE19 6 /* 19 bit wait code. */ #define OP_MASK_CODE19 0x7ffff +#define OP_SH_ALN 21 +#define OP_MASK_ALN 0x7 +#define OP_SH_VSEL 21 +#define OP_MASK_VSEL 0x1f + +/* Values in the 'VSEL' field. */ +#define MDMX_FMTSEL_IMM_QH 0x1d +#define MDMX_FMTSEL_IMM_OB 0x1e +#define MDMX_FMTSEL_VEC_QH 0x15 +#define MDMX_FMTSEL_VEC_OB 0x16 /* This structure holds information for a particular instruction. */ @@ -220,13 +230,21 @@ struct mips_opcode "f" 32 bit floating point constant "l" 32 bit floating point constant in .lit4 + MDMX instruction operands (note that while these use the FP register + fields, they accept both $fN and $vN names for the registers): + "O" MDMX alignment offset (OP_*_ALN) + "Q" MDMX vector/scalar/immediate source (OP_*_VSEL and OP_*_FT) + "X" MDMX destination register (OP_*_FD) + "Y" MDMX source register (OP_*_FS) + "Z" MDMX source register (OP_*_FT) + Other: "()" parens surrounding optional value "," separates operands Characters used so far, for quick reference when adding more: "<>()," - "ABCDEFGHIJLMNPRSTUVW" + "ABCDEFGHIJLMNOPQRSTUVWXYZ" "abcdfhijklopqrstuvwxz" */ @@ -297,6 +315,10 @@ struct mips_opcode #define INSN_MULT 0x40000000 /* Instruction synchronize shared memory. */ #define INSN_SYNC 0x80000000 +/* Instruction reads MDMX accumulator. XXX FIXME: No bits left! */ +#define INSN_READ_MDMX_ACC 0 +/* Instruction writes MDMX accumulator. XXX FIXME: No bits left! */ +#define INSN_WRITE_MDMX_ACC 0 /* Instruction is actually a macro. It should be ignored by the disassembler, and requires special treatment by the assembler. */ @@ -320,6 +342,8 @@ struct mips_opcode /* MIPS-3D ASE */ #define INSN_MIPS3D 0x00004000 +/* MDMX ASE */ +#define INSN_MDMX 0x00008000 /* Chip specific instructions. These are bitmasks. */ |