diff options
| author | SummerGift <[email protected]> | 2017-12-21 15:35:29 +0800 |
|---|---|---|
| committer | SummerGift <[email protected]> | 2017-12-21 15:35:48 +0800 |
| commit | 336207ad31710b0022be9a9a79e72dde2bf48d67 (patch) | |
| tree | 5e04bdd6ea1c22eeb6fd61d16c3490e1a072a844 | |
| parent | a4a85a28da2518be29228bb7c889e63f24f97552 (diff) | |
[libcpu]: add 8-byte alignment for armv6 architecture
| -rw-r--r-- | libcpu/arm/armv6/stack.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/libcpu/arm/armv6/stack.c b/libcpu/arm/armv6/stack.c index c2f31717b3..648ea7dbf5 100644 --- a/libcpu/arm/armv6/stack.c +++ b/libcpu/arm/armv6/stack.c @@ -53,20 +53,21 @@ rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, 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)texit; /* lr */ - *(--stk) = 0; /* r12 */ - *(--stk) = 0; /* r11 */ - *(--stk) = 0; /* r10 */ - *(--stk) = 0; /* r9 */ - *(--stk) = 0; /* r8 */ - *(--stk) = 0; /* r7 */ - *(--stk) = 0; /* r6 */ - *(--stk) = 0; /* r5 */ - *(--stk) = 0; /* r4 */ - *(--stk) = 0; /* r3 */ - *(--stk) = 0; /* r2 */ - *(--stk) = 0; /* r1 */ + *(--stk) = 0xdeadbeef; /* r12 */ + *(--stk) = 0xdeadbeef; /* r11 */ + *(--stk) = 0xdeadbeef; /* r10 */ + *(--stk) = 0xdeadbeef; /* r9 */ + *(--stk) = 0xdeadbeef; /* r8 */ + *(--stk) = 0xdeadbeef; /* r7 */ + *(--stk) = 0xdeadbeef; /* r6 */ + *(--stk) = 0xdeadbeef; /* r5 */ + *(--stk) = 0xdeadbeef; /* r4 */ + *(--stk) = 0xdeadbeef; /* r3 */ + *(--stk) = 0xdeadbeef; /* r2 */ + *(--stk) = 0xdeadbeef; /* r1 */ *(--stk) = (rt_uint32_t)parameter; /* r0 : argument */ /* cpsr */ |