diff options
| author | SummerGift <[email protected]> | 2017-12-21 10:11:55 +0800 |
|---|---|---|
| committer | SummerGift <[email protected]> | 2017-12-21 10:13:47 +0800 |
| commit | 15715692d231fb7542c18dc1d4ef25eb2571d2d4 (patch) | |
| tree | 07c0dc3661ed910abde4e0411d0729342dcf28e9 /libcpu/arm | |
| parent | fd234eafdc972440d5c448695691da1a18659882 (diff) | |
[libcpu]: add 8-byte alignment for armv6 architecture
Diffstat (limited to 'libcpu/arm')
| -rw-r--r-- | libcpu/arm/armv6/stack.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libcpu/arm/armv6/stack.c b/libcpu/arm/armv6/stack.c index ceb04f0985..d84bb60d39 100644 --- a/libcpu/arm/armv6/stack.c +++ b/libcpu/arm/armv6/stack.c @@ -50,8 +50,10 @@ rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, { rt_uint32_t *stk; + stack_addr += sizeof(rt_uint32_t); + stack_addr = (rt_uint8_t *)RT_ALIGN_DOWN((rt_uint32_t)stack_addr, 8); stk = (rt_uint32_t*)stack_addr; - *(stk) = (rt_uint32_t)tentry; /* entry point */ + *(--stk) = (rt_uint32_t)tentry; /* entry point */ *(--stk) = (rt_uint32_t)texit; /* lr */ *(--stk) = 0; /* r12 */ *(--stk) = 0; /* r11 */ |