handlers.hh revision 4989:3e9d532cf998
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 38namespace 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. 42const int numFillInsts = 32; 43const int numSpillInsts = 32; 44 45const MachInst fillHandler64[numFillInsts] = 46{ 47 htog(0x87802016), //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 81const MachInst fillHandler32[numFillInsts] = 82{ 83 htog(0x87802016), //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 117const MachInst spillHandler64[numSpillInsts] = 118{ 119 htog(0x87802016), //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 153const MachInst spillHandler32[numSpillInsts] = 154{ 155 htog(0x87802016), //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__ 191