| /* |
| * (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 |
