114 lines
2.1 KiB
ArmAsm
Executable File
114 lines
2.1 KiB
ArmAsm
Executable File
/* SPDX-License-Identifier: GPL-2.0 */
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/* exception handlers */
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#include <config.h>
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.align 2
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_irq_stack_start:
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.word CONFIG_SYS_INIT_SP_ADDR
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.align 2
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.global irq_undefined_instruction
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.type irq_undefined_instruction, %function
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irq_undefined_instruction:
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ldr sp, _irq_stack_start
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mov r10, lr
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add r0, pc, #20
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bl uart_early_puts
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mov r0, r10
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bl uart_early_put_hex
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mov r0, #2000
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bl udelay
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bl reset_cpu
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.ascii "\r\n*** irq: undefined instruction\r\nLR: \0"
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.align 2
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.global irq_software_interrupt
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.type irq_software_interrupt, %function
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irq_software_interrupt:
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ldr sp, _irq_stack_start
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mov r10, lr
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add r0, pc, #20
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bl uart_early_puts
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mov r0, r10
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bl uart_early_put_hex
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mov r0, #2000
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bl udelay
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bl reset_cpu
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.ascii "\r\n*** irq: software interrupt\r\nLR: \0"
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.align 2
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.global irq_prefetch_abort
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.type irq_prefetch_abort, %function
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irq_prefetch_abort:
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ldr sp, _irq_stack_start
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mov r10, lr
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add r0, pc, #20
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bl uart_early_puts
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mov r0, r10
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bl uart_early_put_hex
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mov r0, #2000
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bl udelay
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bl reset_cpu
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.ascii "\r\n*** irq: prefetch abort\r\nLR: \0"
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.align 2
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.global irq_data_abort
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.type irq_data_abort, %function
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irq_data_abort:
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ldr sp, _irq_stack_start
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mov r10, lr
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add r0, pc, #20
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bl uart_early_puts
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mov r0, r10
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bl uart_early_put_hex
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mov r0, #2000
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bl udelay
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bl reset_cpu
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.ascii "\r\n*** irq: data abort\r\nLR: \0"
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.align 2
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.global irq_not_used
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.type irq_not_used, %function
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irq_not_used:
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ldr sp, _irq_stack_start
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mov r10, lr
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add r0, pc, #20
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bl uart_early_puts
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mov r0, r10
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bl uart_early_put_hex
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mov r0, #2000
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bl udelay
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bl reset_cpu
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.ascii "\r\n*** irq: not used\r\nLR: \0"
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.align 2
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.global irq_irq
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.type irq_irq, %function
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irq_irq:
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ldr sp, _irq_stack_start
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mov r10, lr
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add r0, pc, #20
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bl uart_early_puts
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mov r0, r10
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bl uart_early_put_hex
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mov r0, #2000
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bl udelay
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bl reset_cpu
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.ascii "\r\n*** irq: interrupt\r\nLR: \0"
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.align 2
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.global irq_firq
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.type irq_firq, %function
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irq_firq:
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ldr sp, _irq_stack_start
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mov r10, lr
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add r0, pc, #20
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bl uart_early_puts
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mov r0, r10
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bl uart_early_put_hex
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mov r0, #2000
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bl udelay
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bl reset_cpu
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.ascii "\r\n*** irq: fast interrupt\r\nLR: \0"
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