diff options
Diffstat (limited to 'openembedded/packages/db/files/arm-thumb-mutex.patch')
| -rw-r--r-- | openembedded/packages/db/files/arm-thumb-mutex.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/openembedded/packages/db/files/arm-thumb-mutex.patch b/openembedded/packages/db/files/arm-thumb-mutex.patch new file mode 100644 index 0000000000..acd446fcd8 --- /dev/null +++ b/openembedded/packages/db/files/arm-thumb-mutex.patch @@ -0,0 +1,36 @@ +--- db-4.3.29-dist/../dbinc/mutex.h 2005-11-15 07:33:27.761042518 -0800 ++++ db-4.3.29-dist/../dbinc/mutex.h 2005-11-15 07:55:24.823920060 -0800 +@@ -470,6 +470,25 @@ + #ifdef LOAD_ACTUAL_MUTEX_CODE + #define MUTEX_SET_TEST 1 /* gcc/arm: 0 is clear, 1 is set. */ + ++#if defined __thumb__ ++#define MUTEX_SET(tsl) ({ \ ++ int __r, __p; \ ++ asm volatile( \ ++ ".align 2\n\t" \ ++ "bx pc\n\t" \ ++ "nop\n\t" \ ++ ".arm\n\t" \ ++ "swpb %0, %2, [%3]\n\t" \ ++ "eor %0, %0, #1\n\t" \ ++ "orr %1, pc, #1\n\t" \ ++ "bx %1\n\t" \ ++ ".force_thumb" \ ++ : "=&r" (__r), "=r" (__p) \ ++ : "r" (1), "r" (tsl) \ ++ ); \ ++ __r & 1; \ ++}) ++#else + #define MUTEX_SET(tsl) ({ \ + int __r; \ + asm volatile( \ +@@ -480,6 +499,7 @@ + ); \ + __r & 1; \ + }) ++#endif + + #define MUTEX_UNSET(tsl) (*(volatile tsl_t *)(tsl) = 0) + #define MUTEX_INIT(tsl) MUTEX_UNSET(tsl) |