diff options
Diffstat (limited to 'meta/recipes-support/db/db/arm-thumb-mutex_db5.patch')
| -rw-r--r-- | meta/recipes-support/db/db/arm-thumb-mutex_db5.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta/recipes-support/db/db/arm-thumb-mutex_db5.patch b/meta/recipes-support/db/db/arm-thumb-mutex_db5.patch new file mode 100644 index 0000000000..37d0d93abd --- /dev/null +++ b/meta/recipes-support/db/db/arm-thumb-mutex_db5.patch | |||
| @@ -0,0 +1,36 @@ | |||
| 1 | --- db-5.1.19/../src/dbinc/mutex_int.h.orig 2011-01-05 19:21:42.181805366 -0600 | ||
| 2 | +++ db-5.1.19/../src/dbinc/mutex_int.h 2011-01-05 19:24:53.141853117 -0600 | ||
| 3 | @@ -474,6 +474,25 @@ | ||
| 4 | |||
| 5 | #ifdef LOAD_ACTUAL_MUTEX_CODE | ||
| 6 | /* gcc/arm: 0 is clear, 1 is set. */ | ||
| 7 | +#if defined __thumb__ | ||
| 8 | +#define MUTEX_SET(tsl) ({ \ | ||
| 9 | + int __r, __p; \ | ||
| 10 | + __asm__ volatile( \ | ||
| 11 | + ".align 2\n\t" \ | ||
| 12 | + "bx pc\n\t" \ | ||
| 13 | + "nop\n\t" \ | ||
| 14 | + ".arm\n\t" \ | ||
| 15 | + "swpb %0, %2, [%3]\n\t" \ | ||
| 16 | + "eor %0, %0, #1\n\t" \ | ||
| 17 | + "orr %1, pc, #1\n\t" \ | ||
| 18 | + "bx %1\n\t" \ | ||
| 19 | + ".force_thumb" \ | ||
| 20 | + : "=&r" (__r), "=r" (__p) \ | ||
| 21 | + : "r" (1), "r" (tsl) \ | ||
| 22 | + ); \ | ||
| 23 | + __r & 1; \ | ||
| 24 | +}) | ||
| 25 | +#else | ||
| 26 | #define MUTEX_SET(tsl) ({ \ | ||
| 27 | int __r; \ | ||
| 28 | __asm__ volatile( \ | ||
| 29 | @@ -484,6 +503,7 @@ | ||
| 30 | ); \ | ||
| 31 | __r & 1; \ | ||
| 32 | }) | ||
| 33 | +#endif | ||
| 34 | |||
| 35 | #define MUTEX_UNSET(tsl) (*(volatile tsl_t *)(tsl) = 0) | ||
| 36 | #define MUTEX_INIT(tsl) (MUTEX_UNSET(tsl), 0) | ||