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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-05-07 15:59:13 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-05-07 15:59:13 +0000 |
| commit | ae1239087a624dbd33b7b527cb15a829acd1a0c9 (patch) | |
| tree | b9c71126c395bfbf12c89c1bb1818663c3dfb61c /nuttx/arch/arm/include/types.h | |
| parent | e69c915f57a6e3d5612b13064b84b62870890958 (diff) | |
| download | nuttx-ae1239087a624dbd33b7b527cb15a829acd1a0c9.tar.gz nuttx-ae1239087a624dbd33b7b527cb15a829acd1a0c9.tar.bz2 nuttx-ae1239087a624dbd33b7b527cb15a829acd1a0c9.zip | |
Add irqsave/restore() macros for Cortex-M3
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1758 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/include/types.h')
| -rw-r--r-- | nuttx/arch/arm/include/types.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/nuttx/arch/arm/include/types.h b/nuttx/arch/arm/include/types.h index f72e6de8c..964ce8960 100644 --- a/nuttx/arch/arm/include/types.h +++ b/nuttx/arch/arm/include/types.h @@ -67,11 +67,16 @@ typedef unsigned int uint32; typedef long long sint64; typedef unsigned long long uint64; -/* This is the size of the interrupt state save returned by - * irqsave() +/* This is the size of the interrupt state save returned by irqsave(). For + * ARM, a 32 register value is returned, for the thumb2, Cortex-M3, the 16-bit + * primask register value is returned, */ +#ifdef __thumb2__ +typedef unsigned short irqstate_t; +#else /* __thumb2__ */ typedef unsigned int irqstate_t; +#endif /* __thumb2__ */ #endif /* __ASSEMBLY__ */ |