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author | Amaury Pouly <amaury.pouly@gmail.com> | 2012-04-02 15:11:21 +0200 |
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committer | Amaury Pouly <amaury.pouly@gmail.com> | 2012-04-06 13:46:32 +0200 |
commit | f33330c0ff90adad8855250877a4a3d0a407bba4 (patch) | |
tree | 6b5ad86aeb2e6b0a57f78965e59c618b4a26f30f /firmware/target/arm/s5l8700/crt0.S | |
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/s5l8700/crt0.S')
-rw-r--r-- | firmware/target/arm/s5l8700/crt0.S | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/firmware/target/arm/s5l8700/crt0.S b/firmware/target/arm/s5l8700/crt0.S index 0582ab0c8f..93bfa8f06c 100644 --- a/firmware/target/arm/s5l8700/crt0.S +++ b/firmware/target/arm/s5l8700/crt0.S | |||
@@ -507,33 +507,3 @@ start_loc: | |||
507 | #endif | 507 | #endif |
508 | 508 | ||
509 | bl main | 509 | bl main |
510 | |||
511 | .text | ||
512 | /* .global UIE*/ | ||
513 | |||
514 | /* All illegal exceptions call into UIE with exception address as first | ||
515 | * parameter. This is calculated differently depending on which exception | ||
516 | * we're in. Second parameter is exception number, used for a string lookup | ||
517 | * in UIE. */ | ||
518 | undef_instr_handler: | ||
519 | sub r0, lr, #4 | ||
520 | mov r1, #0 | ||
521 | b UIE | ||
522 | |||
523 | /* We run sys mode most of the time, and should never see a software | ||
524 | * exception being thrown. Make it illegal and call UIE. */ | ||
525 | software_int_handler: | ||
526 | reserved_handler: | ||
527 | sub r0, lr, #4 | ||
528 | mov r1, #4 | ||
529 | b UIE | ||
530 | |||
531 | prefetch_abort_handler: | ||
532 | sub r0, lr, #4 | ||
533 | mov r1, #1 | ||
534 | b UIE | ||
535 | |||
536 | data_abort_handler: | ||
537 | sub r0, lr, #8 | ||
538 | mov r1, #2 | ||
539 | b UIE | ||