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FIX: If abort happened in irq mode, halt system.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@259 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
mbbill 2009-12-29 07:48:10 +00:00
parent ef9d8e4a00
commit 8a590215b6
1 changed files with 6 additions and 1 deletions
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7
libcpu/arm/AT91SAM7X/start_rvds.S
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@ -415,11 +415,16 @@ MC_RCR EQU 0x00 ; MC_RCR Offset
IMPORT rt_interrupt_from_thread IMPORT rt_interrupt_from_thread
IMPORT rt_interrupt_to_thread IMPORT rt_interrupt_to_thread
IMPORT rt_hw_trap_irq IMPORT rt_hw_trap_irq
IMPORT rt_hw_trap_abort IMPORT rt_hw_trap_abort
IMPORT rt_interrupt_nest
Abort_Handler PROC Abort_Handler PROC
EXPORT Abort_Handler EXPORT Abort_Handler
stmfd sp!, {r0-r12,lr} stmfd sp!, {r0-r12,lr}
LDR r0, =rt_interrupt_nest
LDR r1, [r0]
CMP r1, #0
DeadLoop BHI DeadLoop ; Abort happened in irq mode, halt system.
bl rt_interrupt_enter bl rt_interrupt_enter
bl rt_hw_trap_abort bl rt_hw_trap_abort
bl rt_interrupt_leave bl rt_interrupt_leave