opcodes/microblaze-opcm.h

   1 /* microblaze-opcm.h -- Header used in microblaze-opc.h
   2
   3    Copyright 2009 Free Software Foundation, Inc.
   4
   5    This file is part of the GNU opcodes library.
   6
   7    This library is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3, or (at your option)
  10    any later version.
  11
  12    It is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this file; see the file COPYING.  If not, write to the
  19    Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22
  23 #ifndef MICROBLAZE_OPCM
  24 #define MICROBLAZE_OPCM
  25
  26 enum microblaze_instr
  27 {
  28   add, rsub, addc, rsubc, addk, rsubk, addkc, rsubkc, cmp, cmpu,
  29   addi, rsubi, addic, rsubic, addik, rsubik, addikc, rsubikc, mul,
  30   mulh, mulhu, mulhsu,
  31   idiv, idivu, bsll, bsra, bsrl, get, put, nget, nput, cget, cput,
  32   ncget, ncput, muli, bslli, bsrai, bsrli, mului, or, and, xor,
  33   andn, pcmpbf, pcmpbc, pcmpeq, pcmpne, sra, src, srl, sext8, sext16,
  34   wic, wdc, wdcclear, wdcflush, mts, mfs, br, brd,
  35   brld, bra, brad, brald, microblaze_brk, beq, beqd, bne, bned, blt,
  36   bltd, ble, bled, bgt, bgtd, bge, bged, ori, andi, xori, andni,
  37   imm, rtsd, rtid, rtbd, rted, bri, brid, brlid, brai, braid, bralid,
  38   brki, beqi, beqid, bnei, bneid, blti, bltid, blei, bleid, bgti,
  39   bgtid, bgei, bgeid, lbu, lhu, lw, lwx, sb, sh, sw, swx, lbui, lhui, lwi,
  40   sbi, shi, swi, msrset, msrclr, tuqula, fadd, frsub, fmul, fdiv,
  41   fcmp_lt, fcmp_eq, fcmp_le, fcmp_gt, fcmp_ne, fcmp_ge, fcmp_un, flt,
  42   fint, fsqrt,
  43   tget, tcget, tnget, tncget, tput, tcput, tnput, tncput,
  44   eget, ecget, neget, necget, eput, ecput, neput, necput,
  45   teget, tecget, tneget, tnecget, teput, tecput, tneput, tnecput,
  46   aget, caget, naget, ncaget, aput, caput, naput, ncaput,
  47   taget, tcaget, tnaget, tncaget, taput, tcaput, tnaput, tncaput,
  48   eaget, ecaget, neaget, necaget, eaput, ecaput, neaput, necaput,
  49   teaget, tecaget, tneaget, tnecaget, teaput, tecaput, tneaput, tnecaput,
  50   getd, tgetd, cgetd, tcgetd, ngetd, tngetd, ncgetd, tncgetd,
  51   putd, tputd, cputd, tcputd, nputd, tnputd, ncputd, tncputd,
  52   egetd, tegetd, ecgetd, tecgetd, negetd, tnegetd, necgetd, tnecgetd,
  53   eputd, teputd, ecputd, tecputd, neputd, tneputd, necputd, tnecputd,
  54   agetd, tagetd, cagetd, tcagetd, nagetd, tnagetd, ncagetd, tncagetd,
  55   aputd, taputd, caputd, tcaputd, naputd, tnaputd, ncaputd, tncaputd,
  56   eagetd, teagetd, ecagetd, tecagetd, neagetd, tneagetd, necagetd, tnecagetd,
  57   eaputd, teaputd, ecaputd, tecaputd, neaputd, tneaputd, necaputd, tnecaputd,
  58   invalid_inst
  59 };
  60
  61 enum microblaze_instr_type
  62 {
  63   arithmetic_inst, logical_inst, mult_inst, div_inst, branch_inst,
  64   return_inst, immediate_inst, special_inst, memory_load_inst,
  65   memory_store_inst, barrel_shift_inst, anyware_inst
  66 };
  67
  68 #define INST_WORD_SIZE 4
  69
  70 /* Gen purpose regs go from 0 to 31.  */
  71 /* Mask is reg num - max_reg_num, ie reg_num - 32 in this case.  */
  72
  73 #define REG_PC_MASK 0x8000
  74 #define REG_MSR_MASK 0x8001
  75 #define REG_EAR_MASK 0x8003
  76 #define REG_ESR_MASK 0x8005
  77 #define REG_FSR_MASK 0x8007
  78 #define REG_BTR_MASK 0x800b
  79 #define REG_EDR_MASK 0x800d
  80 #define REG_PVR_MASK 0xa000
  81
  82 #define REG_PID_MASK   0x9000
  83 #define REG_ZPR_MASK   0x9001
  84 #define REG_TLBX_MASK  0x9002
  85 #define REG_TLBLO_MASK 0x9003
  86 #define REG_TLBHI_MASK 0x9004
  87 #define REG_TLBSX_MASK 0x9005
  88
  89 #define MIN_REGNUM 0
  90 #define MAX_REGNUM 31
  91
  92 #define MIN_PVR_REGNUM 0
  93 #define MAX_PVR_REGNUM 15
  94
  95 #define REG_PC  32 /* PC.  */
  96 #define REG_MSR 33 /* Machine status reg.  */
  97 #define REG_EAR 35 /* Exception reg.  */
  98 #define REG_ESR 37 /* Exception reg.  */
  99 #define REG_FSR 39 /* FPU Status reg.  */
 100 #define REG_BTR 43 /* Branch Target reg.  */
 101 #define REG_EDR 45 /* Exception reg.  */
 102 #define REG_PVR 40960 /* Program Verification reg.  */
 103
 104 #define REG_PID   36864 /* MMU: Process ID reg.  */
 105 #define REG_ZPR   36865 /* MMU: Zone Protect reg.  */
 106 #define REG_TLBX  36866 /* MMU: TLB Index reg.  */
 107 #define REG_TLBLO 36867 /* MMU: TLB Low reg.  */
 108 #define REG_TLBHI 36868 /* MMU: TLB High reg.  */
 109 #define REG_TLBSX 36869 /* MMU: TLB Search Index reg.  */
 110
 111 /* Alternate names for gen purpose regs.  */
 112 #define REG_SP  1 /* stack pointer.  */
 113 #define REG_ROSDP 2 /* read-only small data pointer.  */
 114 #define REG_RWSDP 13 /* read-write small data pointer.  */
 115
 116 /* Assembler Register - Used in Delay Slot Optimization.  */
 117 #define REG_AS    18
 118 #define REG_ZERO  0
 119
 120 #define RD_LOW  21 /* Low bit for RD.  */
 121 #define RA_LOW  16 /* Low bit for RA.  */
 122 #define RB_LOW  11 /* Low bit for RB.  */
 123 #define IMM_LOW  0 /* Low bit for immediate.  */
 124
 125 #define RD_MASK 0x03E00000
 126 #define RA_MASK 0x001F0000
 127 #define RB_MASK 0x0000F800
 128 #define IMM_MASK 0x0000FFFF
 129
 130 /* Imm mask for barrel shifts.  */
 131 #define IMM5_MASK 0x0000001F
 132
 133 /* FSL imm mask for get, put instructions.  */
 134 #define  RFSL_MASK 0x000000F
 135
 136 /* Imm mask for msrset, msrclr instructions.  */
 137 #define  IMM15_MASK 0x00007FFF
 138
 139 #endif /* MICROBLAZE-OPCM */