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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-04-06 23:01:06 +0000 |
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| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-04-06 23:01:06 +0000 |
| commit | 8285ffad2245a53de14c65913b00dab5568f0afc (patch) | |
| tree | a4707d8f1e51d31b1fc2866c63260bfbf99b1f34 /nuttx/arch/arm/include | |
| parent | dcea5f0360725d2c25b61eefe9db7b2474b26dd6 (diff) | |
| download | px4-nuttx-8285ffad2245a53de14c65913b00dab5568f0afc.tar.gz px4-nuttx-8285ffad2245a53de14c65913b00dab5568f0afc.tar.bz2 px4-nuttx-8285ffad2245a53de14c65913b00dab5568f0afc.zip | |
current_regs should be volatile; add support for nested interrupts; enable interrupts during syscall processing
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3475 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/include')
| -rw-r--r-- | nuttx/arch/arm/include/cortexm3/irq.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/nuttx/arch/arm/include/cortexm3/irq.h b/nuttx/arch/arm/include/cortexm3/irq.h index 5c9ef04c0..063568655 100644 --- a/nuttx/arch/arm/include/cortexm3/irq.h +++ b/nuttx/arch/arm/include/cortexm3/irq.h @@ -156,6 +156,13 @@ struct xcptcontext #ifndef __ASSEMBLY__ +/* Disable IRQs */ + +static inline void irqdisable(void) +{ + __asm__ __volatile__ ("\tcpsid i\n"); +} + /* Save the current primask state & disable IRQs */ static inline irqstate_t irqsave(void) @@ -176,6 +183,13 @@ static inline irqstate_t irqsave(void) return primask; } +/* Enable IRQs */ + +static inline void irqenable(void) +{ + __asm__ __volatile__ ("\tcpsie i\n"); +} + /* Restore saved primask state */ static inline void irqrestore(irqstate_t primask) |