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2009-04-06 Michael Walle <michael@walle.cc>

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* 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)
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Joel Sherrill
2009-04-06 21:23:51 +00:00
parent 69722ac959
commit 504fadbb1a
2 changed files with 6 additions and 0 deletions
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5
cpukit/score/cpu/lm32/ChangeLog
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@@ -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> 2009-02-12 Joel Sherrill <joel.sherrill@oarcorp.com>
* cpu.c, rtems/score/cpu.h: Change prototype of IDLE thread to * cpu.c, rtems/score/cpu.h: Change prototype of IDLE thread to

1
cpukit/score/cpu/lm32/cpu_asm.S
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@@ -102,6 +102,7 @@ _CPU_Context_restore:
.globl _ISR_Handler .globl _ISR_Handler
_ISR_Handler: _ISR_Handler:
xor r0, r0, r0
addi sp, sp, -128 addi sp, sp, -128
sw (sp+4), r1 sw (sp+4), r1
sw (sp+8), r2 sw (sp+8), r2