mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2025-11-03 18:01:41 +01:00
cc53690e05
It is ancient code. There is possible to save several instructions just if we use offset instead of addik Signed-off-by: Michal Simek <monstr@monstr.eu>
115 lines
2.4 KiB
ArmAsm
115 lines
2.4 KiB
ArmAsm
/*
|
|
* (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
|