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-rw-r--r--src/target/firmware/board/compal/start.S90
1 files changed, 0 insertions, 90 deletions
diff --git a/src/target/firmware/board/compal/start.S b/src/target/firmware/board/compal/start.S
index 3036fec9..dcbe1e8f 100644
--- a/src/target/firmware/board/compal/start.S
+++ b/src/target/firmware/board/compal/start.S
@@ -72,93 +72,3 @@ _jump_main: .word main
_ctor_list: .word __CTOR_LIST__
_ctor_end: .word __CTOR_END__
-/* handler for all kinds of aborts */
-handle_abort:
- @ print the PC we would jump back to...
- sub lr, lr, #4 @ we assume to be ARM32
-
- mov r0, lr
- mov r1, #8
- bl phex
-
- @ print abort message
- mov r0, #'A'
- bl putchar_asm
- mov r0, #'B'
- bl putchar_asm
- mov r0, #'O'
- bl putchar_asm
- mov r0, #'R'
- bl putchar_asm
- mov r0, #'T'
- bl putchar_asm
-
- @ disable IRQ and FIQ
- msr CPSR_c, #I_BIT | F_BIT
-
-0: @ dead
- b 0b
-
-/* entry point for IRQs */
-irq_entry:
- /* Adjust and save LR_irq in IRQ stack */
- sub lr, lr, #4
- stmfd sp!, {lr}
-
- /* Save SPSR for nested interrupt */
- mrs r14, SPSR
- stmfd sp!, {r14}
-
- /* Call the interrupt handler C function */
- stmfd sp!, {r0-r4, r12}
- bl irq
- ldmfd sp!, {r0-r4, r12}
-
- /* Restore SPSR_irq from IRQ stack */
- ldmia sp!, {r14}
- msr SPSR_cxsf, r14
-
- /* Restore adjusted LR_irq from IRQ stack directly in the PC */
- ldmia sp!, {pc}^
-
-/* entry point for FIQs */
-fiq_entry:
- /* Adjust and save LR_irq in IRQ stack */
- sub lr, lr, #4
- stmfd sp!, {lr}
-
- /* Save SPSR for nested interrupt */
- mrs r14, SPSR
- stmfd sp!, {r14}
-
- /* Call the interrupt handler C function */
- stmfd sp!, {r0-r4, r12}
- bl fiq
- ldmfd sp!, {r0-r4, r12}
-
- /* Restore SPSR_irq from IRQ stack */
- ldmia sp!, {r14}
- msr SPSR_cxsf, r14
-
- /* Restore adjusted LR_irq from IRQ stack directly in the PC */
- ldmia sp!, {pc}^
-
-/* Exception Vectors like they are needed for the exception vector
- indirection of the internal boot ROM. The following section must be liked
- to appear at 0x80'001c */
-.section .text.exceptions
-_undef_instr:
- b handle_abort
-_sw_interr:
- b _sw_interr
-_prefetch_abort:
- b handle_abort
-_data_abort:
- b handle_abort
-_reserved:
- b _reserved
-_irq:
- b irq_entry
-_fiq:
- b fiq_entry
-