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cd8574c0a7
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>
80 lines
1.3 KiB
ArmAsm
80 lines
1.3 KiB
ArmAsm
/*
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* (C) Copyright 2007 Michal Simek
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*
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* Michal SIMEK <monstr@monstr.eu>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <config.h>
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#include <asm/asm.h>
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.text
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.global _interrupt_handler
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_interrupt_handler:
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addik r1, r1, -124
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swi r2, r1, 4
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swi r3, r1, 8
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swi r4, r1, 12
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swi r5, r1, 16
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swi r6, r1, 20
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swi r7, r1, 24
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swi r8, r1, 28
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swi r9, r1, 32
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swi r10, r1, 36
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swi r11, r1, 40
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swi r12, r1, 44
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swi r13, r1, 48
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swi r14, r1, 52
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swi r15, r1, 56
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swi r16, r1, 60
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swi r17, r1, 64
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swi r18, r1, 68
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swi r19, r1, 72
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swi r20, r1, 76
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swi r21, r1, 80
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swi r22, r1, 84
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swi r23, r1, 88
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swi r24, r1, 92
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swi r25, r1, 96
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swi r26, r1, 100
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swi r27, r1, 104
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swi r28, r1, 108
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swi r29, r1, 112
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swi r30, r1, 116
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swi r31, r1, 120
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brlid r15, interrupt_handler
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nop
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lwi r31, r1, 120
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lwi r30, r1, 116
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lwi r29, r1, 112
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lwi r28, r1, 108
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lwi r27, r1, 104
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lwi r26, r1, 100
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lwi r25, r1, 96
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lwi r24, r1, 92
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lwi r23, r1, 88
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lwi r22, r1, 84
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lwi r21, r1, 80
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lwi r20, r1, 76
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lwi r19, r1, 72
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lwi r18, r1, 68
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lwi r17, r1, 64
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lwi r16, r1, 60
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lwi r15, r1, 56
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lwi r14, r1, 52
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lwi r13, r1, 48
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lwi r12, r1, 44
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lwi r11, r1, 40
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lwi r10, r1, 36
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lwi r9, r1, 32
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lwi r8, r1, 28
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lwi r7, r1, 24
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lwi r6, r1, 20
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lwi r5, r1, 16
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lwi r4, r1, 12
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lwi r3, r1, 8
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lwi r2, r1, 4
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addik r1, r1, 124
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rtid r14, 0
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nop
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.size _interrupt_handler,.-_interrupt_handler
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