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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2009-04-06 21:23:51 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2009-04-06 21:23:51 +0000 |
| commit | 504fadbb1a1eca7feccdd9f3b2dc810e1ab1ddbb (patch) | |
| tree | cafcaa11fb578db3f1d6ecb2d7275e3cd2bf7e33 /cpukit/score/cpu/lm32 | |
| parent | 2009-04-06 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
| download | rtems-504fadbb1a1eca7feccdd9f3b2dc810e1ab1ddbb.tar.bz2 | |
2009-04-06 Michael Walle <michael@walle.cc>
* cpu_asm.S: We cannot use any other register than r0 without saving
them to the stack. (_ISR_Handler clears r0 right at the beginning)
Diffstat (limited to 'cpukit/score/cpu/lm32')
| -rw-r--r-- | cpukit/score/cpu/lm32/ChangeLog | 5 | ||||
| -rw-r--r-- | cpukit/score/cpu/lm32/cpu_asm.S | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/cpukit/score/cpu/lm32/ChangeLog b/cpukit/score/cpu/lm32/ChangeLog index 26aa15aaac..e4d7ed1c86 100644 --- a/cpukit/score/cpu/lm32/ChangeLog +++ b/cpukit/score/cpu/lm32/ChangeLog @@ -1,3 +1,8 @@ +2009-04-06 Michael Walle <michael@walle.cc> + + * cpu_asm.S: We cannot use any other register than r0 without saving + them to the stack. (_ISR_Handler clears r0 right at the beginning) + 2009-02-12 Joel Sherrill <joel.sherrill@oarcorp.com> * cpu.c, rtems/score/cpu.h: Change prototype of IDLE thread to diff --git a/cpukit/score/cpu/lm32/cpu_asm.S b/cpukit/score/cpu/lm32/cpu_asm.S index 9f0e12002d..80501bad1d 100644 --- a/cpukit/score/cpu/lm32/cpu_asm.S +++ b/cpukit/score/cpu/lm32/cpu_asm.S @@ -102,6 +102,7 @@ _CPU_Context_restore: .globl _ISR_Handler _ISR_Handler: + xor r0, r0, r0 addi sp, sp, -128 sw (sp+4), r1 sw (sp+8), r2 |