src/arch/sparc/handlers.hh

   1 /*
   2  * Copyright (c) 2003-2004 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: Gabe Black
  29  */
  30
  31 #ifndef __ARCH_SPARC_HANDLERS_HH__
  32 #define __ARCH_SPARC_HANDLERS_HH__
  33
  34 #include "arch/sparc/isa_traits.hh"
  35 #include "arch/sparc/types.hh"
  36 #include "sim/byteswap.hh"
  37
  38 namespace SparcISA {
  39
  40 // We only use 19 instructions for the trap handlers, but there would be
  41 // space for 32 in a real SPARC trap table.
  42 const int numFillInsts = 32;
  43 const int numSpillInsts = 32;
  44
  45 const MachInst fillHandler64[numFillInsts] =
  46 {
  47     htog<MachInst>(0x87802016), // wr %g0, ASI_AIUP, %asi
  48     htog<MachInst>(0xe0dba7ff), // ldxa [%sp + BIAS + (0*8)] %asi, %l0
  49     htog<MachInst>(0xe2dba807), // ldxa [%sp + BIAS + (1*8)] %asi, %l1
  50     htog<MachInst>(0xe4dba80f), // ldxa [%sp + BIAS + (2*8)] %asi, %l2
  51     htog<MachInst>(0xe6dba817), // ldxa [%sp + BIAS + (3*8)] %asi, %l3
  52     htog<MachInst>(0xe8dba81f), // ldxa [%sp + BIAS + (4*8)] %asi, %l4
  53     htog<MachInst>(0xeadba827), // ldxa [%sp + BIAS + (5*8)] %asi, %l5
  54     htog<MachInst>(0xecdba82f), // ldxa [%sp + BIAS + (6*8)] %asi, %l6
  55     htog<MachInst>(0xeedba837), // ldxa [%sp + BIAS + (7*8)] %asi, %l7
  56     htog<MachInst>(0xf0dba83f), // ldxa [%sp + BIAS + (8*8)] %asi, %i0
  57     htog<MachInst>(0xf2dba847), // ldxa [%sp + BIAS + (9*8)] %asi, %i1
  58     htog<MachInst>(0xf4dba84f), // ldxa [%sp + BIAS + (10*8)] %asi, %i2
  59     htog<MachInst>(0xf6dba857), // ldxa [%sp + BIAS + (11*8)] %asi, %i3
  60     htog<MachInst>(0xf8dba85f), // ldxa [%sp + BIAS + (12*8)] %asi, %i4
  61     htog<MachInst>(0xfadba867), // ldxa [%sp + BIAS + (13*8)] %asi, %i5
  62     htog<MachInst>(0xfcdba86f), // ldxa [%sp + BIAS + (14*8)] %asi, %i6
  63     htog<MachInst>(0xfedba877), // ldxa [%sp + BIAS + (15*8)] %asi, %i7
  64     htog<MachInst>(0x83880000), // restored
  65     htog<MachInst>(0x83F00000), // retry
  66     htog<MachInst>(0x00000000), // illtrap
  67     htog<MachInst>(0x00000000), // illtrap
  68     htog<MachInst>(0x00000000), // illtrap
  69     htog<MachInst>(0x00000000), // illtrap
  70     htog<MachInst>(0x00000000), // illtrap
  71     htog<MachInst>(0x00000000), // illtrap
  72     htog<MachInst>(0x00000000), // illtrap
  73     htog<MachInst>(0x00000000), // illtrap
  74     htog<MachInst>(0x00000000), // illtrap
  75     htog<MachInst>(0x00000000), // illtrap
  76     htog<MachInst>(0x00000000), // illtrap
  77     htog<MachInst>(0x00000000), // illtrap
  78     htog<MachInst>(0x00000000)  // illtrap
  79 };
  80
  81 const MachInst fillHandler32[numFillInsts] =
  82 {
  83     htog<MachInst>(0x87802016), // wr %g0, ASI_AIUP, %asi
  84     htog<MachInst>(0xe083a000), // lduwa [%sp + (0*4)] %asi, %l0
  85     htog<MachInst>(0xe283a004), // lduwa [%sp + (1*4)] %asi, %l1
  86     htog<MachInst>(0xe483a008), // lduwa [%sp + (2*4)] %asi, %l2
  87     htog<MachInst>(0xe683a00c), // lduwa [%sp + (3*4)] %asi, %l3
  88     htog<MachInst>(0xe883a010), // lduwa [%sp + (4*4)] %asi, %l4
  89     htog<MachInst>(0xea83a014), // lduwa [%sp + (5*4)] %asi, %l5
  90     htog<MachInst>(0xec83a018), // lduwa [%sp + (6*4)] %asi, %l6
  91     htog<MachInst>(0xee83a01c), // lduwa [%sp + (7*4)] %asi, %l7
  92     htog<MachInst>(0xf083a020), // lduwa [%sp + (8*4)] %asi, %i0
  93     htog<MachInst>(0xf283a024), // lduwa [%sp + (9*4)] %asi, %i1
  94     htog<MachInst>(0xf483a028), // lduwa [%sp + (10*4)] %asi, %i2
  95     htog<MachInst>(0xf683a02c), // lduwa [%sp + (11*4)] %asi, %i3
  96     htog<MachInst>(0xf883a030), // lduwa [%sp + (12*4)] %asi, %i4
  97     htog<MachInst>(0xfa83a034), // lduwa [%sp + (13*4)] %asi, %i5
  98     htog<MachInst>(0xfc83a038), // lduwa [%sp + (14*4)] %asi, %i6
  99     htog<MachInst>(0xfe83a03c), // lduwa [%sp + (15*4)] %asi, %i7
 100     htog<MachInst>(0x83880000), // restored
 101     htog<MachInst>(0x83F00000), // retry
 102     htog<MachInst>(0x00000000), // illtrap
 103     htog<MachInst>(0x00000000), // illtrap
 104     htog<MachInst>(0x00000000), // illtrap
 105     htog<MachInst>(0x00000000), // illtrap
 106     htog<MachInst>(0x00000000), // illtrap
 107     htog<MachInst>(0x00000000), // illtrap
 108     htog<MachInst>(0x00000000), // illtrap
 109     htog<MachInst>(0x00000000), // illtrap
 110     htog<MachInst>(0x00000000), // illtrap
 111     htog<MachInst>(0x00000000), // illtrap
 112     htog<MachInst>(0x00000000), // illtrap
 113     htog<MachInst>(0x00000000), // illtrap
 114     htog<MachInst>(0x00000000)  // illtrap
 115 };
 116
 117 const MachInst spillHandler64[numSpillInsts] =
 118 {
 119     htog<MachInst>(0x87802016), // wr %g0, ASI_AIUP, %asi
 120     htog<MachInst>(0xe0f3a7ff), // stxa %l0, [%sp + BIAS + (0*8)] %asi
 121     htog<MachInst>(0xe2f3a807), // stxa %l1, [%sp + BIAS + (1*8)] %asi
 122     htog<MachInst>(0xe4f3a80f), // stxa %l2, [%sp + BIAS + (2*8)] %asi
 123     htog<MachInst>(0xe6f3a817), // stxa %l3, [%sp + BIAS + (3*8)] %asi
 124     htog<MachInst>(0xe8f3a81f), // stxa %l4, [%sp + BIAS + (4*8)] %asi
 125     htog<MachInst>(0xeaf3a827), // stxa %l5, [%sp + BIAS + (5*8)] %asi
 126     htog<MachInst>(0xecf3a82f), // stxa %l6, [%sp + BIAS + (6*8)] %asi
 127     htog<MachInst>(0xeef3a837), // stxa %l7, [%sp + BIAS + (7*8)] %asi
 128     htog<MachInst>(0xf0f3a83f), // stxa %i0, [%sp + BIAS + (8*8)] %asi
 129     htog<MachInst>(0xf2f3a847), // stxa %i1, [%sp + BIAS + (9*8)] %asi
 130     htog<MachInst>(0xf4f3a84f), // stxa %i2, [%sp + BIAS + (10*8)] %asi
 131     htog<MachInst>(0xf6f3a857), // stxa %i3, [%sp + BIAS + (11*8)] %asi
 132     htog<MachInst>(0xf8f3a85f), // stxa %i4, [%sp + BIAS + (12*8)] %asi
 133     htog<MachInst>(0xfaf3a867), // stxa %i5, [%sp + BIAS + (13*8)] %asi
 134     htog<MachInst>(0xfcf3a86f), // stxa %i6, [%sp + BIAS + (14*8)] %asi
 135     htog<MachInst>(0xfef3a877), // stxa %i7, [%sp + BIAS + (15*8)] %asi
 136     htog<MachInst>(0x81880000), // saved
 137     htog<MachInst>(0x83F00000), // retry
 138     htog<MachInst>(0x00000000), // illtrap
 139     htog<MachInst>(0x00000000), // illtrap
 140     htog<MachInst>(0x00000000), // illtrap
 141     htog<MachInst>(0x00000000), // illtrap
 142     htog<MachInst>(0x00000000), // illtrap
 143     htog<MachInst>(0x00000000), // illtrap
 144     htog<MachInst>(0x00000000), // illtrap
 145     htog<MachInst>(0x00000000), // illtrap
 146     htog<MachInst>(0x00000000), // illtrap
 147     htog<MachInst>(0x00000000), // illtrap
 148     htog<MachInst>(0x00000000), // illtrap
 149     htog<MachInst>(0x00000000), // illtrap
 150     htog<MachInst>(0x00000000)  // illtrap
 151 };
 152
 153 const MachInst spillHandler32[numSpillInsts] =
 154 {
 155     htog<MachInst>(0x87802016), // wr %g0, ASI_AIUP, %asi
 156     htog<MachInst>(0xe0a3a000), // stwa %l0, [%sp + (0*4)] %asi
 157     htog<MachInst>(0xe2a3a004), // stwa %l1, [%sp + (1*4)] %asi
 158     htog<MachInst>(0xe4a3a008), // stwa %l2, [%sp + (2*4)] %asi
 159     htog<MachInst>(0xe6a3a00c), // stwa %l3, [%sp + (3*4)] %asi
 160     htog<MachInst>(0xe8a3a010), // stwa %l4, [%sp + (4*4)] %asi
 161     htog<MachInst>(0xeaa3a014), // stwa %l5, [%sp + (5*4)] %asi
 162     htog<MachInst>(0xeca3a018), // stwa %l6, [%sp + (6*4)] %asi
 163     htog<MachInst>(0xeea3a01c), // stwa %l7, [%sp + (7*4)] %asi
 164     htog<MachInst>(0xf0a3a020), // stwa %i0, [%sp + (8*4)] %asi
 165     htog<MachInst>(0xf2a3a024), // stwa %i1, [%sp + (9*4)] %asi
 166     htog<MachInst>(0xf4a3a028), // stwa %i2, [%sp + (10*4)] %asi
 167     htog<MachInst>(0xf6a3a02c), // stwa %i3, [%sp + (11*4)] %asi
 168     htog<MachInst>(0xf8a3a030), // stwa %i4, [%sp + (12*4)] %asi
 169     htog<MachInst>(0xfaa3a034), // stwa %i5, [%sp + (13*4)] %asi
 170     htog<MachInst>(0xfca3a038), // stwa %i6, [%sp + (14*4)] %asi
 171     htog<MachInst>(0xfea3a03c), // stwa %i7, [%sp + (15*4)] %asi
 172     htog<MachInst>(0x81880000), // saved
 173     htog<MachInst>(0x83F00000), // retry
 174     htog<MachInst>(0x00000000), // illtrap
 175     htog<MachInst>(0x00000000), // illtrap
 176     htog<MachInst>(0x00000000), // illtrap
 177     htog<MachInst>(0x00000000), // illtrap
 178     htog<MachInst>(0x00000000), // illtrap
 179     htog<MachInst>(0x00000000), // illtrap
 180     htog<MachInst>(0x00000000), // illtrap
 181     htog<MachInst>(0x00000000), // illtrap
 182     htog<MachInst>(0x00000000), // illtrap
 183     htog<MachInst>(0x00000000), // illtrap
 184     htog<MachInst>(0x00000000), // illtrap
 185     htog<MachInst>(0x00000000), // illtrap
 186     htog<MachInst>(0x00000000)  // illtrap
 187 };
 188
 189 } // namespace SparcISA
 190 #endif // __ARCH_SPARC_HANDLERS_HH__