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authorBernard Xiong <[email protected]>2019-05-29 18:30:44 +0800
committerGitHub <[email protected]>2019-05-29 18:30:44 +0800
commit0b4e2a984e0569036f12b8afe542831b14096a34 (patch)
tree1733b4f3abc3329ca4e52905528202af5d23096d /libcpu/arm/cortex-a/stack.c
parentebe6c55c75ae6da88c42d29098554980a8b4df0c (diff)
parent043611b98aca955e9cb511c51baf7240389fba75 (diff)
Merge pull request #2731 from jesven/a9-fpu
add cortex-a fpu support
Diffstat (limited to 'libcpu/arm/cortex-a/stack.c')
-rw-r--r--libcpu/arm/cortex-a/stack.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libcpu/arm/cortex-a/stack.c b/libcpu/arm/cortex-a/stack.c
index d76b8a428a..07d795ab5b 100644
--- a/libcpu/arm/cortex-a/stack.c
+++ b/libcpu/arm/cortex-a/stack.c
@@ -60,6 +60,9 @@ rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,
*(--stk) = 0; /* user lr */
*(--stk) = 0; /* user sp*/
#endif
+#ifdef RT_USING_FPU
+ *(--stk) = 0; /* not use fpu*/
+#endif
/* return task's current stack address */
return (rt_uint8_t *)stk;