util/m5/m5op.S

   1 /*
   2  * Copyright (c) 2003-2006 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * Authors: Nathan Binkert
  29  *          Ali Saidi
  30  */
  31
  32 #define m5_op 0x01
  33
  34 #define arm_func 0x00
  35 #define quiesce_func 0x01
  36 #define quiescens_func 0x02
  37 #define quiescecycle_func 0x03
  38 #define quiescetime_func 0x04
  39 #define exit_old_func 0x20 // deprectated!
  40 #define exit_func 0x21
  41 #define initparam_func 0x30
  42 #define loadsymbol_func 0x31
  43 #define resetstats_func 0x40
  44 #define dumpstats_func 0x41
  45 #define dumprststats_func 0x42
  46 #define ckpt_func 0x43
  47 #define readfile_func 0x50
  48 #define debugbreak_func 0x51
  49 #define switchcpu_func 0x52
  50 #define addsymbol_func 0x53
  51 #define panic_func     0x54
  52 #define anbegin_func     0x55
  53 #define anwait_func     0x56
  54
  55 #define INST(op, ra, rb, func) \
  56         .long (((op) << 26) | ((ra) << 21) | ((rb) << 16) | (func))
  57
  58 #define LEAF(func)    \
  59         .align 3;     \
  60         .globl  func; \
  61         .ent    func; \
  62 func:
  63
  64 #define RET           \
  65         ret     ($26)
  66
  67 #define END(func)     \
  68         .end func
  69
  70 #define ARM(reg) INST(m5_op, reg, 0, arm_func)
  71 #define QUIESCE INST(m5_op, 0, 0, quiesce_func)
  72 #define QUIESCENS(r1) INST(m5_op, r1, 0, quiescens_func)
  73 #define QUIESCECYC(r1) INST(m5_op, r1, 0, quiescecycle_func)
  74 #define QUIESCETIME INST(m5_op, 0, 0, quiescetime_func)
  75 #define M5EXIT(reg) INST(m5_op, reg, 0, exit_func)
  76 #define INITPARAM(reg) INST(m5_op, reg, 0, initparam_func)
  77 #define LOADSYMBOL(reg) INST(m5_op, reg, 0, loadsymbol_func)
  78 #define RESET_STATS(r1, r2) INST(m5_op, r1, r2, resetstats_func)
  79 #define DUMP_STATS(r1, r2) INST(m5_op, r1, r2, dumpstats_func)
  80 #define DUMPRST_STATS(r1, r2) INST(m5_op, r1, r2, dumprststats_func)
  81 #define CHECKPOINT(r1, r2) INST(m5_op, r1, r2, ckpt_func)
  82 #define READFILE INST(m5_op, 0, 0, readfile_func)
  83 #define DEBUGBREAK INST(m5_op, 0, 0, debugbreak_func)
  84 #define SWITCHCPU INST(m5_op, 0, 0, switchcpu_func)
  85 #define ADDSYMBOL(r1,r2) INST(m5_op, r1, r2, addsymbol_func)
  86 #define PANIC INST(m5_op, 0, 0, panic_func)
  87 #define AN_BEGIN(r1) INST(m5_op, r1, 0, anbegin_func)
  88 #define AN_WAIT(r1,r2) INST(m5_op, r1, r2, anwait_func)
  89
  90         .set noreorder
  91
  92         .align 4
  93 LEAF(arm)
  94         ARM(16)
  95         RET
  96 END(arm)
  97
  98         .align 4
  99 LEAF(quiesce)
 100         QUIESCE
 101         RET
 102 END(quiesce)
 103
 104         .align 4
 105 LEAF(quiesceNs)
 106         QUIESCENS(16)
 107         RET
 108 END(quiesceNs)
 109
 110         .align 4
 111 LEAF(quiesceCycle)
 112         QUIESCECYC(16)
 113         RET
 114 END(quiesceCycle)
 115
 116         .align 4
 117 LEAF(quiesceTime)
 118         QUIESCETIME
 119         RET
 120 END(quiesceTime)
 121
 122         .align 4
 123 LEAF(m5_exit)
 124         M5EXIT(16)
 125         RET
 126 END(m5_exit)
 127
 128         .align 4
 129 LEAF(m5_initparam)
 130         INITPARAM(0)
 131         RET
 132 END(m5_initparam)
 133
 134         .align 4
 135 LEAF(m5_loadsymbol)
 136         LOADSYMBOL(0)
 137         RET
 138 END(m5_loadsymbol)
 139
 140         .align 4
 141 LEAF(m5_reset_stats)
 142         RESET_STATS(16, 17)
 143         RET
 144 END(m5_reset_stats)
 145
 146         .align 4
 147 LEAF(m5_dump_stats)
 148         DUMP_STATS(16, 17)
 149         RET
 150 END(m5_dump_stats)
 151
 152         .align 4
 153 LEAF(m5_dumpreset_stats)
 154         DUMPRST_STATS(16, 17)
 155         RET
 156 END(m5_dumpreset_stats)
 157
 158         .align 4
 159 LEAF(m5_checkpoint)
 160         CHECKPOINT(16, 17)
 161         RET
 162 END(m5_checkpoint)
 163
 164         .align 4
 165 LEAF(m5_readfile)
 166         READFILE
 167         RET
 168 END(m5_readfile)
 169
 170         .align 4
 171 LEAF(m5_debugbreak)
 172         DEBUGBREAK
 173         RET
 174 END(m5_debugbreak)
 175
 176         .align 4
 177 LEAF(m5_switchcpu)
 178         SWITCHCPU
 179         RET
 180 END(m5_switchcpu)
 181
 182         .align 4
 183 LEAF(m5_addsymbol)
 184         ADDSYMBOL(16, 17)
 185         RET
 186 END(m5_addsymbol)
 187
 188         .align 4
 189 LEAF(m5_panic)
 190         PANIC
 191         RET
 192 END(m5_panic)
 193
 194
 195         .align 4
 196 LEAF(m5_anbegin)
 197         AN_BEGIN(16)
 198         RET
 199 END(m5_anbegin)
 200
 201
 202         .align 4
 203 LEAF(m5_anwait)
 204         AN_WAIT(16,17)
 205         RET
 206 END(m5_anwait)
 207
 208