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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-05-13 16:19:05 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-05-13 16:19:05 +0000 |
| commit | d85a6b5e74dbbf82ef5ed1518d9c588356a11251 (patch) | |
| tree | dea1afe1fb2cb6db6e1f6aaf63c72fe52a1a62f5 /nuttx/arch/arm/src/common/up_schedulesigaction.c | |
| parent | 27bee603a196dd9049de194777cc3be0d7514075 (diff) | |
| download | px4-nuttx-d85a6b5e74dbbf82ef5ed1518d9c588356a11251.tar.gz px4-nuttx-d85a6b5e74dbbf82ef5ed1518d9c588356a11251.tar.bz2 px4-nuttx-d85a6b5e74dbbf82ef5ed1518d9c588356a11251.zip | |
1st cut at lm3s6918 interrupt handling
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1776 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/common/up_schedulesigaction.c')
| -rw-r--r-- | nuttx/arch/arm/src/common/up_schedulesigaction.c | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/nuttx/arch/arm/src/common/up_schedulesigaction.c b/nuttx/arch/arm/src/common/up_schedulesigaction.c index 36be3eb24..fb6798468 100644 --- a/nuttx/arch/arm/src/common/up_schedulesigaction.c +++ b/nuttx/arch/arm/src/common/up_schedulesigaction.c @@ -146,16 +146,26 @@ void up_schedule_sigaction(_TCB *tcb, sig_deliver_t sigdeliver) * the signals have been delivered. */ - tcb->xcp.sigdeliver = sigdeliver; - tcb->xcp.saved_pc = current_regs[REG_PC]; - tcb->xcp.saved_cpsr = current_regs[REG_CPSR]; + tcb->xcp.sigdeliver = sigdeliver; + tcb->xcp.saved_pc = current_regs[REG_PC]; +#ifdef __thumb2__ + tcb->xcp.saved_primask = current_regs[REG_PRIMASK]; + tcb->xcp.saved_xpsr = current_regs[REG_XPSR]; +#else + tcb->xcp.saved_cpsr = current_regs[REG_CPSR]; +#endif /* Then set up to vector to the trampoline with interrupts * disabled */ - current_regs[REG_PC] = (uint32)up_sigdeliver; - current_regs[REG_CPSR] = SVC_MODE | PSR_I_BIT | PSR_F_BIT; + current_regs[REG_PC] = (uint32)up_sigdeliver; +#ifdef __thumb2__ + current_regs[REG_PRIMASK] = 1; + current_regs[REG_XPSR] = 0; +#else + current_regs[REG_CPSR] = SVC_MODE | PSR_I_BIT | PSR_F_BIT; +#endif /* And make sure that the saved context in the TCB * is the same as the interrupt return context. @@ -178,16 +188,26 @@ void up_schedule_sigaction(_TCB *tcb, sig_deliver_t sigdeliver) * the signals have been delivered. */ - tcb->xcp.sigdeliver = sigdeliver; - tcb->xcp.saved_pc = tcb->xcp.regs[REG_PC]; - tcb->xcp.saved_cpsr = tcb->xcp.regs[REG_CPSR]; + tcb->xcp.sigdeliver = sigdeliver; + tcb->xcp.saved_pc = tcb->xcp.regs[REG_PC]; +#ifdef __thumb2__ + tcb->xcp.saved_primask = tcb->xcp.regs[REG_PRIMASK]; + tcb->xcp.saved_xpsr = tcb->xcp.regs[REG_XPSR]; +#else + tcb->xcp.saved_cpsr = tcb->xcp.regs[REG_CPSR]; +#endif /* Then set up to vector to the trampoline with interrupts * disabled */ - tcb->xcp.regs[REG_PC] = (uint32)up_sigdeliver; - tcb->xcp.regs[REG_CPSR] = SVC_MODE | PSR_I_BIT | PSR_F_BIT; + tcb->xcp.regs[REG_PC] = (uint32)up_sigdeliver; +#ifdef __thumb2__ + tcb->xcp.regs[REG_PRIMASK] = 1; + tcb->xcp.regs[REG_XPSR] = 0; +#else + tcb->xcp.regs[REG_CPSR] = SVC_MODE | PSR_I_BIT | PSR_F_BIT; +#endif } irqrestore(flags); |