summaryrefslogtreecommitdiffstats
path: root/firmware/target/arm/tcc77x
diff options
context:
space:
mode:
authorAmaury Pouly <amaury.pouly@gmail.com>2012-04-02 15:11:21 +0200
committerAmaury Pouly <amaury.pouly@gmail.com>2012-04-06 13:46:32 +0200
commitf33330c0ff90adad8855250877a4a3d0a407bba4 (patch)
tree6b5ad86aeb2e6b0a57f78965e59c618b4a26f30f /firmware/target/arm/tcc77x
parentbb0e4cc543e4c7bed6dff3a41d092b6867632535 (diff)
downloadrockbox-f33330c0ff90adad8855250877a4a3d0a407bba4.tar.gz
rockbox-f33330c0ff90adad8855250877a4a3d0a407bba4.tar.bz2
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/tcc77x')
-rw-r--r--firmware/target/arm/tcc77x/crt0.S29
1 files changed, 0 insertions, 29 deletions
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