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arch/arm/src/armv7-m/up_schedulesigaction.c: Correct hardfault that can occur when killing a task via Ctrl-C in PROTECTED mode.

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Valmantas Palikša
2019-12-02 08:15:41 -06:00
committed by Gregory Nutt
parent 736a0da8ec
commit cc0a0e7aa9
1 changed files with 30 additions and 29 deletions
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arch/arm/src/armv7-m/up_schedulesigaction.c
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@@ -168,6 +168,7 @@ void up_schedule_sigaction(struct tcb_s *tcb, sig_deliver_t sigdeliver)
CURRENT_REGS[REG_XPSR] = ARMV7M_XPSR_T; CURRENT_REGS[REG_XPSR] = ARMV7M_XPSR_T;
#ifdef CONFIG_BUILD_PROTECTED #ifdef CONFIG_BUILD_PROTECTED
CURRENT_REGS[REG_LR] = EXC_RETURN_PRIVTHR; CURRENT_REGS[REG_LR] = EXC_RETURN_PRIVTHR;
CURRENT_REGS[REG_EXC_RETURN] = EXC_RETURN_PRIVTHR;
#endif #endif
/* And make sure that the saved context in the TCB is the same /* And make sure that the saved context in the TCB is the same
* as the interrupt return context. * as the interrupt return context.