From f33330c0ff90adad8855250877a4a3d0a407bba4 Mon Sep 17 00:00:00 2001 From: Amaury Pouly Date: Mon, 2 Apr 2012 15:11:21 +0200 Subject: arm: factor all exception handlers out of the crt0.S files Remove the implementations of all exceptions handlers from the various crt0.S files and have a single implementation in system-arm.h The new implementation is weak so that it can be overwritten by some specific code (like the unwinder) Change-Id: Ib3e041ed6037376bbe0e79286057e1051640dd90 Reviewed-on: http://gerrit.rockbox.org/205 Reviewed-by: Marcin Bukat --- firmware/target/arm/tcc77x/crt0.S | 29 ----------------------------- 1 file changed, 29 deletions(-) (limited to 'firmware/target/arm/tcc77x/crt0.S') diff --git a/firmware/target/arm/tcc77x/crt0.S b/firmware/target/arm/tcc77x/crt0.S index d0873102d4..aebd8974da 100644 --- a/firmware/target/arm/tcc77x/crt0.S +++ b/firmware/target/arm/tcc77x/crt0.S @@ -212,35 +212,6 @@ vectors_end: .text -/* All illegal exceptions call into UIE with exception address as first - parameter. This is calculated differently depending on which exception - we're in. Second parameter is exception number, used for a string lookup - in UIE. - */ -undef_instr_handler: - sub r0, lr, #4 - mov r1, #0 - b UIE - -/* We run sys mode most of the time, and should never see a software - exception being thrown. Make it illegal and call UIE. - */ -software_int_handler: -reserved_handler: - sub r0, lr, #4 - mov r1, #4 - b UIE - -prefetch_abort_handler: - sub r0, lr, #4 - mov r1, #1 - b UIE - -data_abort_handler: - sub r0, lr, #8 - mov r1, #2 - b UIE - irq_handler: stmfd sp!, {r0-r3, r12, lr} bl irq -- cgit v1.2.3