diff options
Diffstat (limited to 'libcpu')
| -rw-r--r-- | libcpu/arm/AT91SAM7X/start_rvds.S | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libcpu/arm/AT91SAM7X/start_rvds.S b/libcpu/arm/AT91SAM7X/start_rvds.S index 453d8beea2..bc5c6e9cce 100644 --- a/libcpu/arm/AT91SAM7X/start_rvds.S +++ b/libcpu/arm/AT91SAM7X/start_rvds.S @@ -415,11 +415,16 @@ MC_RCR EQU 0x00 ; MC_RCR Offset IMPORT rt_interrupt_from_thread
IMPORT rt_interrupt_to_thread
IMPORT rt_hw_trap_irq
- IMPORT rt_hw_trap_abort
+ IMPORT rt_hw_trap_abort
+ IMPORT rt_interrupt_nest
Abort_Handler PROC
EXPORT Abort_Handler
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_hw_trap_abort
bl rt_interrupt_leave
|