diff options
Diffstat (limited to 'arch/mips/isa_desc/bitfields.h')
| -rw-r--r-- | arch/mips/isa_desc/bitfields.h | 74 |
1 files changed, 21 insertions, 53 deletions
diff --git a/arch/mips/isa_desc/bitfields.h b/arch/mips/isa_desc/bitfields.h index 793889150..f0d6fc8d7 100644 --- a/arch/mips/isa_desc/bitfields.h +++ b/arch/mips/isa_desc/bitfields.h @@ -3,7 +3,6 @@ // Bitfield definitions. // -// Universal (format-independent) fields def bitfield OPCODE_HI <31:29>; def bitfield OPCODE_LO <28:26>; @@ -18,66 +17,35 @@ def bitfield RS <25:21>; def bitfield RS_HI <25:24>; def bitfield RS_LO <23:21>; -def bitfield MOVCI <>; -def bitfield SRL <>; -def bitfield SRLV <>; -def bitfield SA <>; - -def bitfield BSHFL <>; -def bitfield BSHFL_HI <>; -def bitfield BSHFL_LO <>; - -// Integer operate format(s>; -def bitfield INTIMM <15: 0>; // integer immediate (literal) -def bitfield IMM <12:12>; // immediate flag -def bitfield INTFUNC <11: 5>; // function code -def bitfield RD <15:11>; // dest reg - -// Memory format -def signed bitfield MEMDISP <15: 0>; // displacement -def bitfield MEMFUNC <15: 0>; // function code (same field, unsigned) - -// Memory-format jumps -def bitfield JMPFUNC <15:14>; // function code (disp<15:14>) -def bitfield JMPHINT <13: 0>; // tgt Icache idx hint (disp<13:0>) - -// Branch format -def signed bitfield BRDISP <20: 0>; // displacement +def bitfield RD <15:11>; // Floating-point operate format def bitfield FMT <25:21>; -def bitfield FT <20:16>; -def bitfield FS <15:11>; -def bitfield FD <10: 6>; +def bitfield FT <20:16>; +def bitfield FS <15:11>; +def bitfield FD <10:6>; -def bitfield FP_FULLFUNC <15: 5>; // complete function code - def bitfield FP_TRAPMODE <15:13>; // trapping mode - def bitfield FP_ROUNDMODE <12:11>; // rounding mode - def bitfield FP_TYPEFUNC <10: 5>; // type+func: handiest for decoding - def bitfield FP_SRCTYPE <10: 9>; // source reg type - def bitfield FP_SHORTFUNC < 8: 5>; // short function code - def bitfield FP_SHORTFUNC_TOP2 <8:7>; // top 2 bits of short func code +def bitfield MOVCI <16:16>; +def bitfield MOVCF <16:16>; +def bitfield SRL <21:21>; +def bitfield SRLV < 6: 6>; +def bitfield SA <10: 6>; -// PALcode format -def bitfield PALFUNC <25: 0>; // function code +// Interrupts +def bitfield SC < 5: 5>; -// EV5 PAL instructions: -// HW_LD/HW_ST -def bitfield HW_LDST_PHYS <15>; // address is physical -def bitfield HW_LDST_ALT <14>; // use ALT_MODE IPR -def bitfield HW_LDST_WRTCK <13>; // HW_LD only: fault if no write acc -def bitfield HW_LDST_QUAD <12>; // size: 0=32b, 1=64b -def bitfield HW_LDST_VPTE <11>; // HW_LD only: is PTE fetch -def bitfield HW_LDST_LOCK <10>; // HW_LD only: is load locked -def bitfield HW_LDST_COND <10>; // HW_ST only: is store conditional -def signed bitfield HW_LDST_DISP <9:0>; // signed displacement +// Integer operate format(s>; +def bitfield INTIMM <15: 0>; // integer immediate (literal) -// HW_REI -def bitfield HW_REI_TYP <15:14>; // type: stalling vs. non-stallingk -def bitfield HW_REI_MBZ <13: 0>; // must be zero +// Branch format +def bitfield OFFSET <15: 0>; // displacement + +// Memory-format jumps +def bitfield JMPTARG <25: 0>; +def bitfield JMPHINT <10: 6>; -// HW_MTPR/MW_MFPR -def bitfield HW_IPR_IDX <15:0>; // IPR index +def bitfield SYSCALLCODE <25: 6>; +def bitfield TRAPCODE <15:13>; // M5 instructions def bitfield M5FUNC <7:0>; |