diff options
| author | patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679> | 2010-11-20 00:39:29 +0000 |
|---|---|---|
| committer | patacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679> | 2010-11-20 00:39:29 +0000 |
| commit | d15690d31744ac52d68625472999e3474b540d8f (patch) | |
| tree | b827da1499744d503114c5f538007f93234903f9 /nuttx/arch/arm/include | |
| parent | 15e3ef7a3375b7b3efa8da7f0b9e27c180f08fde (diff) | |
Fix Cortex-M3 nested interrupt hard fault
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@3119 7fd9a85b-ad96-42d3-883c-3090e2eb8679
Diffstat (limited to 'nuttx/arch/arm/include')
| -rw-r--r-- | nuttx/arch/arm/include/cortexm3/irq.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/nuttx/arch/arm/include/cortexm3/irq.h b/nuttx/arch/arm/include/cortexm3/irq.h index de38585c39..3f731385b4 100644 --- a/nuttx/arch/arm/include/cortexm3/irq.h +++ b/nuttx/arch/arm/include/cortexm3/irq.h @@ -244,7 +244,7 @@ static inline void setbasepri(uint32_t basepri) : "memory"); } -/* Get IPSR */ +/* Get/set IPSR */ static inline uint32_t getipsr(void) { @@ -258,6 +258,16 @@ static inline uint32_t getipsr(void) return ipsr; } +static inline void setipsr(uint32_t ipsr) +{ + __asm__ __volatile__ + ( + "\tmsr ipsr, %0\n" + : + : "r" (ipsr) + : "memory"); +} + /* SVC system call */ static inline void svcall(uint32_t cmd, uint32_t arg) |