Files
poky/meta/recipes-support/db/db/arm-thumb-mutex_db5.patch
Dongxiao Xu 62e9c9e163 recipes: add Upstream-Status for multiple recipes
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(From OE-Core rev: 0f9f0518ac46c2f2beb0224e881ff136f1603d33)

Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2011-05-13 10:28:59 +01:00

39 lines
1.4 KiB
Diff

Upstream-Status: Inappropriate [embedded specific]
--- db-5.1.19/src/dbinc/mutex_int.h.orig 2011-01-05 19:21:42.181805366 -0600
+++ db-5.1.19/src/dbinc/mutex_int.h 2011-01-05 19:24:53.141853117 -0600
@@ -474,6 +474,25 @@
#ifdef LOAD_ACTUAL_MUTEX_CODE
/* 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( \
@@ -484,6 +503,7 @@
); \
__r & 1; \
})
+#endif
#define MUTEX_UNSET(tsl) (*(volatile tsl_t *)(tsl) = 0)
#define MUTEX_INIT(tsl) (MUTEX_UNSET(tsl), 0)