16260fb04SPeter Tyser/* 26260fb04SPeter Tyser * (C) Copyright 2007 Michal Simek 36260fb04SPeter Tyser * 46260fb04SPeter Tyser * Michal SIMEK <monstr@monstr.eu> 56260fb04SPeter Tyser * 66260fb04SPeter Tyser * See file CREDITS for list of people who contributed to this 76260fb04SPeter Tyser * project. 86260fb04SPeter Tyser * 96260fb04SPeter Tyser * This program is free software; you can redistribute it and/or 106260fb04SPeter Tyser * modify it under the terms of the GNU General Public License as 116260fb04SPeter Tyser * published by the Free Software Foundation; either version 2 of 126260fb04SPeter Tyser * the License, or (at your option) any later version. 136260fb04SPeter Tyser * 146260fb04SPeter Tyser * This program is distributed in the hope that it will be useful, 156260fb04SPeter Tyser * but WITHOUT ANY WARRANTY; without even the implied warranty of 166260fb04SPeter Tyser * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 176260fb04SPeter Tyser * GNU General Public License for more details. 186260fb04SPeter Tyser * 196260fb04SPeter Tyser * You should have received a copy of the GNU General Public License 206260fb04SPeter Tyser * along with this program; if not, write to the Free Software 216260fb04SPeter Tyser * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 226260fb04SPeter Tyser * MA 02111-1307 USA 236260fb04SPeter Tyser */ 246260fb04SPeter Tyser 256260fb04SPeter Tyser#include <config.h> 266260fb04SPeter Tyser#include <asm/asm.h> 276260fb04SPeter Tyser .text 286260fb04SPeter Tyser .global _interrupt_handler 296260fb04SPeter Tyser_interrupt_handler: 30*cc53690eSMichal Simek swi r2, r1, -4 31*cc53690eSMichal Simek swi r3, r1, -8 32*cc53690eSMichal Simek swi r4, r1, -12 33*cc53690eSMichal Simek swi r5, r1, -16 34*cc53690eSMichal Simek swi r6, r1, -20 35*cc53690eSMichal Simek swi r7, r1, -24 36*cc53690eSMichal Simek swi r8, r1, -28 37*cc53690eSMichal Simek swi r9, r1, -32 38*cc53690eSMichal Simek swi r10, r1, -36 39*cc53690eSMichal Simek swi r11, r1, -40 40*cc53690eSMichal Simek swi r12, r1, -44 41*cc53690eSMichal Simek swi r13, r1, -48 42*cc53690eSMichal Simek swi r14, r1, -52 43*cc53690eSMichal Simek swi r15, r1, -56 44*cc53690eSMichal Simek swi r16, r1, -60 45*cc53690eSMichal Simek swi r17, r1, -64 46*cc53690eSMichal Simek swi r18, r1, -68 47*cc53690eSMichal Simek swi r19, r1, -72 48*cc53690eSMichal Simek swi r20, r1, -76 49*cc53690eSMichal Simek swi r21, r1, -80 50*cc53690eSMichal Simek swi r22, r1, -84 51*cc53690eSMichal Simek swi r23, r1, -88 52*cc53690eSMichal Simek swi r24, r1, -92 53*cc53690eSMichal Simek swi r25, r1, -96 54*cc53690eSMichal Simek swi r26, r1, -100 55*cc53690eSMichal Simek swi r27, r1, -104 56*cc53690eSMichal Simek swi r28, r1, -108 57*cc53690eSMichal Simek swi r29, r1, -112 58*cc53690eSMichal Simek swi r30, r1, -116 59*cc53690eSMichal Simek swi r31, r1, -120 60*cc53690eSMichal Simek addik r1, r1, -124 616260fb04SPeter Tyser brlid r15, interrupt_handler 626260fb04SPeter Tyser nop 636260fb04SPeter Tyser nop 64*cc53690eSMichal Simek addik r1, r1, 124 65*cc53690eSMichal Simek lwi r31, r1, -120 66*cc53690eSMichal Simek lwi r30, r1, -116 67*cc53690eSMichal Simek lwi r29, r1, -112 68*cc53690eSMichal Simek lwi r28, r1, -108 69*cc53690eSMichal Simek lwi r27, r1, -104 70*cc53690eSMichal Simek lwi r26, r1, -100 71*cc53690eSMichal Simek lwi r25, r1, -96 72*cc53690eSMichal Simek lwi r24, r1, -92 73*cc53690eSMichal Simek lwi r23, r1, -88 74*cc53690eSMichal Simek lwi r22, r1, -84 75*cc53690eSMichal Simek lwi r21, r1, -80 76*cc53690eSMichal Simek lwi r20, r1, -76 77*cc53690eSMichal Simek lwi r19, r1, -72 78*cc53690eSMichal Simek lwi r18, r1, -68 79*cc53690eSMichal Simek lwi r17, r1, -64 80*cc53690eSMichal Simek lwi r16, r1, -60 81*cc53690eSMichal Simek lwi r15, r1, -56 82*cc53690eSMichal Simek lwi r14, r1, -52 83*cc53690eSMichal Simek lwi r13, r1, -48 84*cc53690eSMichal Simek lwi r12, r1, -44 85*cc53690eSMichal Simek lwi r11, r1, -40 86*cc53690eSMichal Simek lwi r10, r1, -36 87*cc53690eSMichal Simek lwi r9, r1, -32 88*cc53690eSMichal Simek lwi r8, r1, -28 89*cc53690eSMichal Simek lwi r7, r1, -24 90*cc53690eSMichal Simek lwi r6, r1, -20 91*cc53690eSMichal Simek lwi r5, r1, -16 92*cc53690eSMichal Simek lwi r4, r1, -12 93*cc53690eSMichal Simek lwi r3, r1, -8 94*cc53690eSMichal Simek lwi r2, r1, -4 956260fb04SPeter Tyser 966260fb04SPeter Tyser /* enable_interrupt */ 976260fb04SPeter Tyser#ifdef XILINX_USE_MSR_INSTR 986260fb04SPeter Tyser msrset r0, 2 996260fb04SPeter Tyser#else 1006260fb04SPeter Tyser /* FIXME unstable in stressed mode - two irqs */ 1016260fb04SPeter Tyser nop 1026260fb04SPeter Tyser addi r1, r1, -4 1036260fb04SPeter Tyser swi r12, r1, 0 1046260fb04SPeter Tyser mfs r12, rmsr 1056260fb04SPeter Tyser ori r12, r12, 2 1066260fb04SPeter Tyser mts rmsr, r12 1076260fb04SPeter Tyser lwi r12, r1, 0 1086260fb04SPeter Tyser addi r1, r1, 4 1096260fb04SPeter Tyser nop 1106260fb04SPeter Tyser#endif 1116260fb04SPeter Tyser bra r14 1126260fb04SPeter Tyser nop 1136260fb04SPeter Tyser nop 1146260fb04SPeter Tyser .size _interrupt_handler,.-_interrupt_handler 115