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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-02-03 10:21:41 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-02-03 10:21:41 +0000 |
| commit | 1fa828fe7b35e49a77c232b5d95cc6cf7b429e85 (patch) | |
| tree | 794a2cd13c617a3c51fe5d482b252c64c75d546a /os/rt/ports/ARMCMx/chcore_v6m.h | |
| parent | dabe3b813b20ef2dd6286048087ba67e19acdb5d (diff) | |
| download | ChibiOS-1fa828fe7b35e49a77c232b5d95cc6cf7b429e85.tar.gz ChibiOS-1fa828fe7b35e49a77c232b5d95cc6cf7b429e85.tar.bz2 ChibiOS-1fa828fe7b35e49a77c232b5d95cc6cf7b429e85.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6662 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/rt/ports/ARMCMx/chcore_v6m.h')
| -rw-r--r-- | os/rt/ports/ARMCMx/chcore_v6m.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/os/rt/ports/ARMCMx/chcore_v6m.h b/os/rt/ports/ARMCMx/chcore_v6m.h index 54054b163..e80efc9b9 100644 --- a/os/rt/ports/ARMCMx/chcore_v6m.h +++ b/os/rt/ports/ARMCMx/chcore_v6m.h @@ -205,9 +205,16 @@ struct port_intctx { * @details This macro must be inserted at the start of all IRQ handlers
* enabled to invoke system APIs.
*/
+#if defined(__GNUC__) || defined(__DOXYGEN__)
#define PORT_IRQ_PROLOGUE() \
- regarm_t _saved_lr; \
- asm volatile ("mov %0, lr" : "=r" (_saved_lr) : : "memory")
+ regarm_t _saved_lr = (regarm_t)__builtin_return_address(0)
+#elif defined(__ICCARM__)
+#define PORT_IRQ_PROLOGUE() \
+ regarm_t _saved_lr = (regarm_t)__get_LR()
+#elif defined(__CC_ARM)
+#define PORT_IRQ_PROLOGUE() \
+ regarm_t _saved_lr = (regarm_t)__return_address()
+#endif
/**
* @brief IRQ epilogue code.
|