added typecast for starck_start in arm_cpu to ensure correct calculation

10 years ago · b4f36f4af9
parent f19ec9649f
commit b4f36f4af9
1 changed files with 2 additions and 2 deletions
--- a/cpu/arm_common/arm_cpu.c
+++ b/cpu/arm_common/arm_cpu.c
@ -37,7 +37,7 @@ char *thread_stack_init(void (*task_func)(void), void *stack_start, int stack_si
 {
    unsigned int *stk;
    int i;
-    stk = (unsigned int *)(stack_start + stack_size);
+    stk = (unsigned int *)((unsigned int)stack_start + stack_size);
    stk--;

    *stk = STACK_MARKER;
@ -48,7 +48,7 @@ char *thread_stack_init(void (*task_func)(void), void *stack_start, int stack_si

    /* set the stack pointer (SP) */
    stk--;
-    *stk = (unsigned int)(stack_start + stack_size) - 4;
+    *stk = (unsigned int)((unsigned int)stack_start + stack_size) - 4;

    /* build base stack */
    for (i = REGISTER_CNT; i >= 0 ; i--) {