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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 | /* * (C) Copyright 2007 Michal Simek * * Michal SIMEK <monstr@monstr.eu> * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <config.h> #include <asm/asm.h> .text .global _interrupt_handler _interrupt_handler: addi r1, r1, -4 swi r2, r1, 0 addi r1, r1, -4 swi r3, r1, 0 addi r1, r1, -4 swi r4, r1, 0 addi r1, r1, -4 swi r5, r1, 0 addi r1, r1, -4 swi r6, r1, 0 addi r1, r1, -4 swi r7, r1, 0 addi r1, r1, -4 swi r8, r1, 0 addi r1, r1, -4 swi r9, r1, 0 addi r1, r1, -4 swi r10, r1, 0 addi r1, r1, -4 swi r11, r1, 0 addi r1, r1, -4 swi r12, r1, 0 addi r1, r1, -4 swi r13, r1, 0 addi r1, r1, -4 swi r14, r1, 0 addi r1, r1, -4 swi r15, r1, 0 addi r1, r1, -4 swi r16, r1, 0 addi r1, r1, -4 swi r17, r1, 0 addi r1, r1, -4 swi r18, r1, 0 addi r1, r1, -4 swi r19, r1, 0 addi r1, r1, -4 swi r20, r1, 0 addi r1, r1, -4 swi r21, r1, 0 addi r1, r1, -4 swi r22, r1, 0 addi r1, r1, -4 swi r23, r1, 0 addi r1, r1, -4 swi r24, r1, 0 addi r1, r1, -4 swi r25, r1, 0 addi r1, r1, -4 swi r26, r1, 0 addi r1, r1, -4 swi r27, r1, 0 addi r1, r1, -4 swi r28, r1, 0 addi r1, r1, -4 swi r29, r1, 0 addi r1, r1, -4 swi r30, r1, 0 addi r1, r1, -4 swi r31, r1, 0 brlid r15, interrupt_handler nop nop lwi r31, r1, 0 addi r1, r1, 4 lwi r30, r1, 0 addi r1, r1, 4 lwi r29, r1, 0 addi r1, r1, 4 lwi r28, r1, 0 addi r1, r1, 4 lwi r27, r1, 0 addi r1, r1, 4 lwi r26, r1, 0 addi r1, r1, 4 lwi r25, r1, 0 addi r1, r1, 4 lwi r24, r1, 0 addi r1, r1, 4 lwi r23, r1, 0 addi r1, r1, 4 lwi r22, r1, 0 addi r1, r1, 4 lwi r21, r1, 0 addi r1, r1, 4 lwi r20, r1, 0 addi r1, r1, 4 lwi r19, r1, 0 addi r1, r1, 4 lwi r18, r1, 0 addi r1, r1, 4 lwi r17, r1, 0 addi r1, r1, 4 lwi r16, r1, 0 addi r1, r1, 4 lwi r15, r1, 0 addi r1, r1, 4 lwi r14, r1, 0 addi r1, r1, 4 lwi r13, r1, 0 addi r1, r1, 4 lwi r12, r1, 0 addi r1, r1, 4 lwi r11, r1, 0 addi r1, r1, 4 lwi r10, r1, 0 addi r1, r1, 4 lwi r9, r1, 0 addi r1, r1, 4 lwi r8, r1, 0 addi r1, r1, 4 lwi r7, r1, 0 addi r1, r1, 4 lwi r6, r1, 0 addi r1, r1, 4 lwi r5, r1, 0 addi r1, r1, 4 lwi r4, r1, 0 addi r1, r1, 4 lwi r3, r1, 0 addi r1, r1, 4 lwi r2, r1, 0 addi r1, r1, 4 /* enable_interrupt */ #ifdef XILINX_USE_MSR_INSTR msrset r0, 2 #else /* FIXME unstable in stressed mode - two irqs */ nop addi r1, r1, -4 swi r12, r1, 0 mfs r12, rmsr ori r12, r12, 2 mts rmsr, r12 lwi r12, r1, 0 addi r1, r1, 4 nop #endif bra r14 nop nop .size _interrupt_handler,.-_interrupt_handler |