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- /*
- * (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:
- swi r2, r1, -4
- swi r3, r1, -8
- swi r4, r1, -12
- swi r5, r1, -16
- swi r6, r1, -20
- swi r7, r1, -24
- swi r8, r1, -28
- swi r9, r1, -32
- swi r10, r1, -36
- swi r11, r1, -40
- swi r12, r1, -44
- swi r13, r1, -48
- swi r14, r1, -52
- swi r15, r1, -56
- swi r16, r1, -60
- swi r17, r1, -64
- swi r18, r1, -68
- swi r19, r1, -72
- swi r20, r1, -76
- swi r21, r1, -80
- swi r22, r1, -84
- swi r23, r1, -88
- swi r24, r1, -92
- swi r25, r1, -96
- swi r26, r1, -100
- swi r27, r1, -104
- swi r28, r1, -108
- swi r29, r1, -112
- swi r30, r1, -116
- swi r31, r1, -120
- addik r1, r1, -124
- brlid r15, interrupt_handler
- nop
- nop
- addik r1, r1, 124
- lwi r31, r1, -120
- lwi r30, r1, -116
- lwi r29, r1, -112
- lwi r28, r1, -108
- lwi r27, r1, -104
- lwi r26, r1, -100
- lwi r25, r1, -96
- lwi r24, r1, -92
- lwi r23, r1, -88
- lwi r22, r1, -84
- lwi r21, r1, -80
- lwi r20, r1, -76
- lwi r19, r1, -72
- lwi r18, r1, -68
- lwi r17, r1, -64
- lwi r16, r1, -60
- lwi r15, r1, -56
- lwi r14, r1, -52
- lwi r13, r1, -48
- lwi r12, r1, -44
- lwi r11, r1, -40
- lwi r10, r1, -36
- lwi r9, r1, -32
- lwi r8, r1, -28
- lwi r7, r1, -24
- lwi r6, r1, -20
- lwi r5, r1, -16
- lwi r4, r1, -12
- lwi r3, r1, -8
- lwi r2, 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
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