diff options
Diffstat (limited to 'include/opcode/mips.h')
| -rw-r--r-- | include/opcode/mips.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/include/opcode/mips.h b/include/opcode/mips.h index e746d75..5579099 100644 --- a/include/opcode/mips.h +++ b/include/opcode/mips.h @@ -62,6 +62,8 @@ Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #define OP_SH_RT 16 #define OP_MASK_FT 0x1f #define OP_SH_FT 16 +#define OP_MASK_CACHE 0x1f +#define OP_SH_CACHE 16 #define OP_MASK_RD 0x1f #define OP_SH_RD 11 #define OP_MASK_FS 0x1f @@ -120,12 +122,14 @@ struct mips_opcode Each of these characters corresponds to a mask field defined above. "<" 5 bit shift amount (OP_*_SHAMT) + ">" shift amount between 32 and 63, stored after subtracting 32 (OP_*_SHAMT) "a" 26 bit target address (OP_*_TARGET) "b" 5 bit base register (OP_*_RS) "c" 10 bit breakpoint code (OP_*_CODE) "d" 5 bit destination register specifier (OP_*_RD) "i" 16 bit unsigned immediate (OP_*_IMMEDIATE) "j" 16 bit signed immediate (OP_*_DELTA) + "k" 5 bit cache opcode in target register position (OP_*_CACHE) "o" 16 bit signed offset (OP_*_DELTA) "p" 16 bit PC relative branch target address (OP_*_DELTA) "r" 5 bit same register used as both source and target (OP_*_RS) @@ -137,6 +141,7 @@ struct mips_opcode "C" 25 bit coprocessor function code (OP_*_COPZ) "B" 20 bit syscall function code (OP_*_SYSCALL) "x" accept and ignore register name + "z" must be zero register Floating point instructions: "D" 5 bit destination register (OP_*_FD) @@ -213,7 +218,9 @@ struct mips_opcode #define INSN_WRITE_HI 0x01000000 /* Modifies the LO register. */ #define INSN_WRITE_LO 0x02000000 -/* Takes a trap (FIXME: why is this interesting?). */ +/* Instruction stores value into memory. */ +#define INSN_STORE_MEMORY 0x04000000 +/* Takes a trap (easier to keep out of delay slot). */ #define INSN_TRAP 0x04000000 /* MIPS ISA 2 instruction (R6000 or R4000). */ #define INSN_ISA2 0x10000000 @@ -234,7 +241,6 @@ struct mips_opcode */ enum { M_ABS, - M_ABSU, M_ADD_I, M_ADDU_I, M_AND_I, @@ -274,6 +280,7 @@ enum { M_BLTUL_I, M_BNE_I, M_BNEL_I, + M_DABS, M_DADD_I, M_DADDU_I, M_DDIV_3, @@ -296,9 +303,12 @@ enum { M_DREMU_3I, M_DSUB_I, M_DSUBU_I, + M_J_A, + M_JAL_1, + M_JAL_2, + M_JAL_A, M_L_DOB, M_L_DAB, - M_LA, M_LA_AB, M_LB_A, M_LB_AB, |