diff options
Diffstat (limited to 'payloads/libpayload/arch/arm/exception_asm.S')
| -rw-r--r-- | payloads/libpayload/arch/arm/exception_asm.S | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/payloads/libpayload/arch/arm/exception_asm.S b/payloads/libpayload/arch/arm/exception_asm.S index 1f369bcc05..6a28c5cdef 100644 --- a/payloads/libpayload/arch/arm/exception_asm.S +++ b/payloads/libpayload/arch/arm/exception_asm.S @@ -43,59 +43,51 @@ exception_table: b 8f 1: - ldr sp, _not_used + mov sp, $0 b exception_common 2: - ldr sp, _undefined_instruction + mov sp, $1 b exception_common 3: - ldr sp, _software_interrupt + mov sp, $2 b exception_common 4: - ldr sp, _prefetch_abort + mov sp, $3 b exception_common 5: - ldr sp, _data_abort + mov sp, $4 b exception_common 6: - ldr sp, _not_used + mov sp, $5 b exception_common 7: - ldr sp, _irq + mov sp, $6 b exception_common 8: - ldr sp, _fiq + mov sp, $7 b exception_common exception_common: - str sp, exception_handler + str sp, exception_idx ldr sp, exception_stack_end push { lr } stmfd sp, { sp, lr }^ sub sp, sp, $8 push { r0 - r12 } mov r0, sp - mov lr, pc - ldr pc, exception_handler + ldr r1, exception_idx + blx exception_dispatch pop { r0 - r12 } add sp, sp, $8 ldmfd sp!, { pc }^ .align 2 -_undefined_instruction: .word exception_undefined_instruction -_software_interrupt: .word exception_software_interrupt -_prefetch_abort: .word exception_prefetch_abort -_data_abort: .word exception_data_abort -_not_used: .word exception_not_used -_irq: .word exception_irq -_fiq: .word exception_fiq - .global exception_stack_end exception_stack_end: .word 0 -exception_handler: +exception_idx: .word 0 .thumb |