mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-22 01:48:52 +09:00
![Michal Simek](/assets/img/avatar_default.png)
Do not save registers below r1 stack pointer because it is not checked by stack undeflow is not able to detect it. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
81 lines
1.3 KiB
ArmAsm
81 lines
1.3 KiB
ArmAsm
/*
|
|
* (C) Copyright 2007 Michal Simek
|
|
*
|
|
* Michal SIMEK <monstr@monstr.eu>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <asm/asm.h>
|
|
.text
|
|
.global _interrupt_handler
|
|
_interrupt_handler:
|
|
addik r1, r1, -124
|
|
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
|
|
brlid r15, interrupt_handler
|
|
nop
|
|
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
|
|
addik r1, r1, 124
|
|
rtid r14, 0
|
|
nop
|
|
.size _interrupt_handler,.-_interrupt_handler
|