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| author | Amaury Pouly <amaury.pouly@gmail.com> | 2012-04-02 15:11:21 +0200 |
|---|---|---|
| committer | Amaury Pouly <amaury.pouly@gmail.com> | 2012-04-06 13:46:32 +0200 |
| commit | f33330c0ff90adad8855250877a4a3d0a407bba4 (patch) | |
| tree | 6b5ad86aeb2e6b0a57f78965e59c618b4a26f30f /firmware/target/arm/tcc780x | |
| parent | bb0e4cc543e4c7bed6dff3a41d092b6867632535 (diff) | |
| download | rockbox-f33330c0ff90adad8855250877a4a3d0a407bba4.tar.gz rockbox-f33330c0ff90adad8855250877a4a3d0a407bba4.zip | |
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 <marcin.bukat@gmail.com>
Diffstat (limited to 'firmware/target/arm/tcc780x')
| -rw-r--r-- | firmware/target/arm/tcc780x/crt0.S | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/firmware/target/arm/tcc780x/crt0.S b/firmware/target/arm/tcc780x/crt0.S index 1dbccf9828..5d271616d0 100644 --- a/firmware/target/arm/tcc780x/crt0.S +++ b/firmware/target/arm/tcc780x/crt0.S @@ -282,35 +282,6 @@ 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 - #ifdef BOOTLOADER fiq_handler: subs pc, lr, #4 |