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Merge pull request #2489 from jesven/fix_qemu_none_align 

fix the problem of double in sprintf
This commit is contained in:
Bernard Xiong 2019-03-22 17:22:24 +08:00 committed by GitHub
parent 48e0b419e7 df930d5516
commit 0b3c99d650
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 29 additions and 27 deletions
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56
bsp/qemu-vexpress-a9/cpu/stack.c
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@ -31,39 +31,41 @@
* @return stack address * @return stack address
*/ */
rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter, rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,
rt_uint8_t *stack_addr, void *texit) rt_uint8_t *stack_addr, void *texit)
{ {
rt_uint32_t *stk; rt_uint32_t *stk;
stk = (rt_uint32_t*)stack_addr; stack_addr += sizeof(rt_uint32_t);
*(stk) = (rt_uint32_t)tentry; /* entry point */ stack_addr = (rt_uint8_t *)RT_ALIGN_DOWN((rt_uint32_t)stack_addr, 8);
*(--stk) = (rt_uint32_t)texit; /* lr */ stk = (rt_uint32_t*)stack_addr;
*(--stk) = 0; /* r12 */ *(--stk) = (rt_uint32_t)tentry; /* entry point */
*(--stk) = 0; /* r11 */ *(--stk) = (rt_uint32_t)texit; /* lr */
*(--stk) = 0; /* r10 */ *(--stk) = 0; /* r12 */
*(--stk) = 0; /* r9 */ *(--stk) = 0; /* r11 */
*(--stk) = 0; /* r8 */ *(--stk) = 0; /* r10 */
*(--stk) = 0; /* r7 */ *(--stk) = 0; /* r9 */
*(--stk) = 0; /* r6 */ *(--stk) = 0; /* r8 */
*(--stk) = 0; /* r5 */ *(--stk) = 0; /* r7 */
*(--stk) = 0; /* r4 */ *(--stk) = 0; /* r6 */
*(--stk) = 0; /* r3 */ *(--stk) = 0; /* r5 */
*(--stk) = 0; /* r2 */ *(--stk) = 0; /* r4 */
*(--stk) = 0; /* r1 */ *(--stk) = 0; /* r3 */
*(--stk) = (rt_uint32_t)parameter; /* r0 : argument */ *(--stk) = 0; /* r2 */
/* cpsr */ *(--stk) = 0; /* r1 */
if ((rt_uint32_t)tentry & 0x01) *(--stk) = (rt_uint32_t)parameter; /* r0 : argument */
*(--stk) = SVCMODE | 0x20; /* thumb mode */ /* cpsr */
else if ((rt_uint32_t)tentry & 0x01)
*(--stk) = SVCMODE; /* arm mode */ *(--stk) = SVCMODE | 0x20; /* thumb mode */
else
*(--stk) = SVCMODE; /* arm mode */
#ifdef RT_USING_LWP #ifdef RT_USING_LWP
*(--stk) = 0; /* user lr */ *(--stk) = 0; /* user lr */
*(--stk) = 0; /* user sp*/ *(--stk) = 0; /* user sp*/
#endif #endif
/* return task's current stack address */ /* return task's current stack address */
return (rt_uint8_t *)stk; return (rt_uint8_t *)stk;
} }
/*@}*/ /*@}*/