![[BACK]](/icons/back.gif){kind=icon}
Return to loader.S CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / funnyos / arch / testarm / boot|
Return to loader.S CVS log | Up to [local] / funnyos / arch / testarm / boot |
| version 1.3, 2007/11/04 22:39:27 | version 1.4, 2007/11/05 18:54:35 | ||
|---|---|---|---|
|
|
||
| nop | nop | ||
| _vector_irq: | _vector_irq: | ||
| /* decrement pc by one insn */ | |||
| sub lr, lr, #4 | |||
| /* store all system mode registers */ | |||
| stmdb sp!, {r0-r12, lr} | |||
| bl irq_trampoline | bl irq_trampoline | ||
| mrs r0, spsr | /* load r0-r12 and pc from the stack */ | ||
| msr cpsr, r0 | /* note ^ that copies SPSR into CPSR */ | ||
| ldmia sp!, {r0-r12, pc}^ | |||
| subs pc, r14, #4 | |||
| _vector_fiq: | _vector_fiq: | ||
| nop | nop |