| main.isa (7794:8a7ba5a1b35d) | main.isa (7799:5d0f62927d75) |
|---|---|
| 1// -*- mode:c++ -*- 2 3// Copyright (c) 2003-2005 The Regents of The University of Michigan 4// All rights reserved. 5// 6// Redistribution and use in source and binary forms, with or without 7// modification, are permitted provided that the following conditions are 8// met: redistributions of source code must retain the above copyright --- 88 unchanged lines hidden (view full) --- 97 98//////////////////////////////////////////////////////////////////// 99// 100// Bitfield definitions. 101// 102 103// Universal (format-independent) fields 104def bitfield PALMODE <32:32>; | 1// -*- mode:c++ -*- 2 3// Copyright (c) 2003-2005 The Regents of The University of Michigan 4// All rights reserved. 5// 6// Redistribution and use in source and binary forms, with or without 7// modification, are permitted provided that the following conditions are 8// met: redistributions of source code must retain the above copyright --- 88 unchanged lines hidden (view full) --- 97 98//////////////////////////////////////////////////////////////////// 99// 100// Bitfield definitions. 101// 102 103// Universal (format-independent) fields 104def bitfield PALMODE <32:32>; |
| 105def bitfield OPCODE <31:26>; 106def bitfield RA <25:21>; 107def bitfield RB <20:16>; | 105def bitfield OPCODE <31:26>; 106def bitfield RA <25:21>; 107def bitfield RB <20:16>; |
| 108 109// Memory format 110def signed bitfield MEMDISP <15: 0>; // displacement 111def bitfield MEMFUNC <15: 0>; // function code (same field, unsigned) 112 113// Memory-format jumps | 108 109// Memory format 110def signed bitfield MEMDISP <15: 0>; // displacement 111def bitfield MEMFUNC <15: 0>; // function code (same field, unsigned) 112 113// Memory-format jumps |
| 114def bitfield JMPFUNC <15:14>; // function code (disp<15:14>) 115def bitfield JMPHINT <13: 0>; // tgt Icache idx hint (disp<13:0>) | 114def bitfield JMPFUNC <15:14>; // function code (disp<15:14>) 115def bitfield JMPHINT <13: 0>; // tgt Icache idx hint (disp<13:0>) |
| 116 117// Branch format 118def signed bitfield BRDISP <20: 0>; // displacement 119 120// Integer operate format(s>; | 116 117// Branch format 118def signed bitfield BRDISP <20: 0>; // displacement 119 120// Integer operate format(s>; |
| 121def bitfield INTIMM <20:13>; // integer immediate (literal) 122def bitfield IMM <12:12>; // immediate flag 123def bitfield INTFUNC <11: 5>; // function code 124def bitfield RC < 4: 0>; // dest reg | 121def bitfield INTIMM <20:13>; // integer immediate (literal) 122def bitfield IMM <12:12>; // immediate flag 123def bitfield INTFUNC <11: 5>; // function code 124def bitfield RC < 4: 0>; // dest reg |
| 125 126// Floating-point operate format | 125 126// Floating-point operate format |
| 127def bitfield FA <25:21>; 128def bitfield FB <20:16>; | 127def bitfield FA <25:21>; 128def bitfield FB <20:16>; |
| 129def bitfield FP_FULLFUNC <15: 5>; // complete function code 130 def bitfield FP_TRAPMODE <15:13>; // trapping mode 131 def bitfield FP_ROUNDMODE <12:11>; // rounding mode 132 def bitfield FP_TYPEFUNC <10: 5>; // type+func: handiest for decoding 133 def bitfield FP_SRCTYPE <10: 9>; // source reg type 134 def bitfield FP_SHORTFUNC < 8: 5>; // short function code 135 def bitfield FP_SHORTFUNC_TOP2 <8:7>; // top 2 bits of short func code | 129def bitfield FP_FULLFUNC <15: 5>; // complete function code 130 def bitfield FP_TRAPMODE <15:13>; // trapping mode 131 def bitfield FP_ROUNDMODE <12:11>; // rounding mode 132 def bitfield FP_TYPEFUNC <10: 5>; // type+func: handiest for decoding 133 def bitfield FP_SRCTYPE <10: 9>; // source reg type 134 def bitfield FP_SHORTFUNC < 8: 5>; // short function code 135 def bitfield FP_SHORTFUNC_TOP2 <8:7>; // top 2 bits of short func code |
| 136def bitfield FC < 4: 0>; // dest reg | 136def bitfield FC < 4: 0>; // dest reg |
| 137 138// PALcode format | 137 138// PALcode format |
| 139def bitfield PALFUNC <25: 0>; // function code | 139def bitfield PALFUNC <25: 0>; // function code |
| 140 141// EV5 PAL instructions: 142// HW_LD/HW_ST 143def bitfield HW_LDST_PHYS <15>; // address is physical 144def bitfield HW_LDST_ALT <14>; // use ALT_MODE IPR 145def bitfield HW_LDST_WRTCK <13>; // HW_LD only: fault if no write acc 146def bitfield HW_LDST_QUAD <12>; // size: 0=32b, 1=64b 147def bitfield HW_LDST_VPTE <11>; // HW_LD only: is PTE fetch 148def bitfield HW_LDST_LOCK <10>; // HW_LD only: is load locked 149def bitfield HW_LDST_COND <10>; // HW_ST only: is store conditional 150def signed bitfield HW_LDST_DISP <9:0>; // signed displacement 151 152// HW_REI 153def bitfield HW_REI_TYP <15:14>; // type: stalling vs. non-stallingk 154def bitfield HW_REI_MBZ <13: 0>; // must be zero 155 156// HW_MTPR/MW_MFPR | 140 141// EV5 PAL instructions: 142// HW_LD/HW_ST 143def bitfield HW_LDST_PHYS <15>; // address is physical 144def bitfield HW_LDST_ALT <14>; // use ALT_MODE IPR 145def bitfield HW_LDST_WRTCK <13>; // HW_LD only: fault if no write acc 146def bitfield HW_LDST_QUAD <12>; // size: 0=32b, 1=64b 147def bitfield HW_LDST_VPTE <11>; // HW_LD only: is PTE fetch 148def bitfield HW_LDST_LOCK <10>; // HW_LD only: is load locked 149def bitfield HW_LDST_COND <10>; // HW_ST only: is store conditional 150def signed bitfield HW_LDST_DISP <9:0>; // signed displacement 151 152// HW_REI 153def bitfield HW_REI_TYP <15:14>; // type: stalling vs. non-stallingk 154def bitfield HW_REI_MBZ <13: 0>; // must be zero 155 156// HW_MTPR/MW_MFPR |
| 157def bitfield HW_IPR_IDX <15:0>; // IPR index | 157def bitfield HW_IPR_IDX <15:0>; // IPR index |
| 158 159// M5 instructions 160def bitfield M5FUNC <7:0>; 161 162def operand_types {{ 163 'sb' : ('signed int', 8), 164 'ub' : ('unsigned int', 8), 165 'sw' : ('signed int', 16), --- 307 unchanged lines hidden --- | 158 159// M5 instructions 160def bitfield M5FUNC <7:0>; 161 162def operand_types {{ 163 'sb' : ('signed int', 8), 164 'ub' : ('unsigned int', 8), 165 'sw' : ('signed int', 16), --- 307 unchanged lines hidden --- |