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(0x87802018), //wr %g0, ASI_AIUP, %asi
  48     htog(0xe0dba7ff), //ldxa [%sp + BIAS + (0*8)] %asi, %l0
  49     htog(0xe2dba807), //ldxa [%sp + BIAS + (1*8)] %asi, %l1
  50     htog(0xe4dba80f), //ldxa [%sp + BIAS + (2*8)] %asi, %l2
  51     htog(0xe6dba817), //ldxa [%sp + BIAS + (3*8)] %asi, %l3
  52     htog(0xe8dba81f), //ldxa [%sp + BIAS + (4*8)] %asi, %l4
  53     htog(0xeadba827), //ldxa [%sp + BIAS + (5*8)] %asi, %l5
  54     htog(0xecdba82f), //ldxa [%sp + BIAS + (6*8)] %asi, %l6
  55     htog(0xeedba837), //ldxa [%sp + BIAS + (7*8)] %asi, %l7
  56     htog(0xf0dba83f), //ldxa [%sp + BIAS + (8*8)] %asi, %i0
  57     htog(0xf2dba847), //ldxa [%sp + BIAS + (9*8)] %asi, %i1
  58     htog(0xf4dba84f), //ldxa [%sp + BIAS + (10*8)] %asi, %i2
  59     htog(0xf6dba857), //ldxa [%sp + BIAS + (11*8)] %asi, %i3
  60     htog(0xf8dba85f), //ldxa [%sp + BIAS + (12*8)] %asi, %i4
  61     htog(0xfadba867), //ldxa [%sp + BIAS + (13*8)] %asi, %i5
  62     htog(0xfcdba86f), //ldxa [%sp + BIAS + (14*8)] %asi, %i6
  63     htog(0xfedba877), //ldxa [%sp + BIAS + (15*8)] %asi, %i7
  64     htog(0x83880000), //restored
  65     htog(0x83F00000), //retry
  66     htog(0x00000000), //illtrap
  67     htog(0x00000000), //illtrap
  68     htog(0x00000000), //illtrap
  69     htog(0x00000000), //illtrap
  70     htog(0x00000000), //illtrap
  71     htog(0x00000000), //illtrap
  72     htog(0x00000000), //illtrap
  73     htog(0x00000000), //illtrap
  74     htog(0x00000000), //illtrap
  75     htog(0x00000000), //illtrap
  76     htog(0x00000000), //illtrap
  77     htog(0x00000000), //illtrap
  78     htog(0x00000000)  //illtrap
  79 };
  80
  81 const MachInst fillHandler32[numFillInsts] =
  82 {
  83     htog(0x87802018), //wr %g0, ASI_AIUP, %asi
  84     htog(0xe083a000), //lduwa [%sp + (0*4)] %asi, %l0
  85     htog(0xe283a004), //lduwa [%sp + (1*4)] %asi, %l1
  86     htog(0xe483a008), //lduwa [%sp + (2*4)] %asi, %l2
  87     htog(0xe683a00c), //lduwa [%sp + (3*4)] %asi, %l3
  88     htog(0xe883a010), //lduwa [%sp + (4*4)] %asi, %l4
  89     htog(0xea83a014), //lduwa [%sp + (5*4)] %asi, %l5
  90     htog(0xec83a018), //lduwa [%sp + (6*4)] %asi, %l6
  91     htog(0xee83a01c), //lduwa [%sp + (7*4)] %asi, %l7
  92     htog(0xf083a020), //lduwa [%sp + (8*4)] %asi, %i0
  93     htog(0xf283a024), //lduwa [%sp + (9*4)] %asi, %i1
  94     htog(0xf483a028), //lduwa [%sp + (10*4)] %asi, %i2
  95     htog(0xf683a02c), //lduwa [%sp + (11*4)] %asi, %i3
  96     htog(0xf883a030), //lduwa [%sp + (12*4)] %asi, %i4
  97     htog(0xfa83a034), //lduwa [%sp + (13*4)] %asi, %i5
  98     htog(0xfc83a038), //lduwa [%sp + (14*4)] %asi, %i6
  99     htog(0xfe83a03c), //lduwa [%sp + (15*4)] %asi, %i7
 100     htog(0x83880000), //restored
 101     htog(0x83F00000), //retry
 102     htog(0x00000000), //illtrap
 103     htog(0x00000000), //illtrap
 104     htog(0x00000000), //illtrap
 105     htog(0x00000000), //illtrap
 106     htog(0x00000000), //illtrap
 107     htog(0x00000000), //illtrap
 108     htog(0x00000000), //illtrap
 109     htog(0x00000000), //illtrap
 110     htog(0x00000000), //illtrap
 111     htog(0x00000000), //illtrap
 112     htog(0x00000000), //illtrap
 113     htog(0x00000000), //illtrap
 114     htog(0x00000000)  //illtrap
 115 };
 116
 117 const MachInst spillHandler64[numSpillInsts] =
 118 {
 119     htog(0x87802018), //wr %g0, ASI_AIUP, %asi
 120     htog(0xe0f3a7ff), //stxa %l0, [%sp + BIAS + (0*8)] %asi
 121     htog(0xe2f3a807), //stxa %l1, [%sp + BIAS + (1*8)] %asi
 122     htog(0xe4f3a80f), //stxa %l2, [%sp + BIAS + (2*8)] %asi
 123     htog(0xe6f3a817), //stxa %l3, [%sp + BIAS + (3*8)] %asi
 124     htog(0xe8f3a81f), //stxa %l4, [%sp + BIAS + (4*8)] %asi
 125     htog(0xeaf3a827), //stxa %l5, [%sp + BIAS + (5*8)] %asi
 126     htog(0xecf3a82f), //stxa %l6, [%sp + BIAS + (6*8)] %asi
 127     htog(0xeef3a837), //stxa %l7, [%sp + BIAS + (7*8)] %asi
 128     htog(0xf0f3a83f), //stxa %i0, [%sp + BIAS + (8*8)] %asi
 129     htog(0xf2f3a847), //stxa %i1, [%sp + BIAS + (9*8)] %asi
 130     htog(0xf4f3a84f), //stxa %i2, [%sp + BIAS + (10*8)] %asi
 131     htog(0xf6f3a857), //stxa %i3, [%sp + BIAS + (11*8)] %asi
 132     htog(0xf8f3a85f), //stxa %i4, [%sp + BIAS + (12*8)] %asi
 133     htog(0xfaf3a867), //stxa %i5, [%sp + BIAS + (13*8)] %asi
 134     htog(0xfcf3a86f), //stxa %i6, [%sp + BIAS + (14*8)] %asi
 135     htog(0xfef3a877), //stxa %i7, [%sp + BIAS + (15*8)] %asi
 136     htog(0x81880000), //saved
 137     htog(0x83F00000), //retry
 138     htog(0x00000000), //illtrap
 139     htog(0x00000000), //illtrap
 140     htog(0x00000000), //illtrap
 141     htog(0x00000000), //illtrap
 142     htog(0x00000000), //illtrap
 143     htog(0x00000000), //illtrap
 144     htog(0x00000000), //illtrap
 145     htog(0x00000000), //illtrap
 146     htog(0x00000000), //illtrap
 147     htog(0x00000000), //illtrap
 148     htog(0x00000000), //illtrap
 149     htog(0x00000000), //illtrap
 150     htog(0x00000000)  //illtrap
 151 };
 152
 153 const MachInst spillHandler32[numSpillInsts] =
 154 {
 155     htog(0x87802018), //wr %g0, ASI_AIUP, %asi
 156     htog(0xe0a3a000), //stwa %l0, [%sp + (0*4)] %asi
 157     htog(0xe2a3a004), //stwa %l1, [%sp + (1*4)] %asi
 158     htog(0xe4a3a008), //stwa %l2, [%sp + (2*4)] %asi
 159     htog(0xe6a3a00c), //stwa %l3, [%sp + (3*4)] %asi
 160     htog(0xe8a3a010), //stwa %l4, [%sp + (4*4)] %asi
 161     htog(0xeaa3a014), //stwa %l5, [%sp + (5*4)] %asi
 162     htog(0xeca3a018), //stwa %l6, [%sp + (6*4)] %asi
 163     htog(0xeea3a01c), //stwa %l7, [%sp + (7*4)] %asi
 164     htog(0xf0a3a020), //stwa %i0, [%sp + (8*4)] %asi
 165     htog(0xf2a3a024), //stwa %i1, [%sp + (9*4)] %asi
 166     htog(0xf4a3a028), //stwa %i2, [%sp + (10*4)] %asi
 167     htog(0xf6a3a02c), //stwa %i3, [%sp + (11*4)] %asi
 168     htog(0xf8a3a030), //stwa %i4, [%sp + (12*4)] %asi
 169     htog(0xfaa3a034), //stwa %i5, [%sp + (13*4)] %asi
 170     htog(0xfca3a038), //stwa %i6, [%sp + (14*4)] %asi
 171     htog(0xfea3a03c), //stwa %i7, [%sp + (15*4)] %asi
 172     htog(0x81880000), //saved
 173     htog(0x83F00000), //retry
 174     htog(0x00000000), //illtrap
 175     htog(0x00000000), //illtrap
 176     htog(0x00000000), //illtrap
 177     htog(0x00000000), //illtrap
 178     htog(0x00000000), //illtrap
 179     htog(0x00000000), //illtrap
 180     htog(0x00000000), //illtrap
 181     htog(0x00000000), //illtrap
 182     htog(0x00000000), //illtrap
 183     htog(0x00000000), //illtrap
 184     htog(0x00000000), //illtrap
 185     htog(0x00000000), //illtrap
 186     htog(0x00000000)  //illtrap
 187 };
 188
 189 } // namespace SparcISA
 190 #endif // __ARCH_SPARC_HANDLERS_HH__