| /trunk/kernel/arch/arm32/include/asm.h |
|---|
| 81,14 → 81,15 |
| * Return the base address of the current stack. |
| * The stack is assumed to be STACK_SIZE bytes long. |
| * The stack must start on page boundary. |
| * |
| */ |
| static inline uintptr_t get_stack_base(void) |
| { |
| uintptr_t v; |
| asm volatile ( |
| "and %0, sp, %1\n" |
| : "=r" (v) |
| : "r" (~(STACK_SIZE - 1)) |
| "and %[v], sp, %[size]\n" |
| : [v] "=r" (v) |
| : [size] "r" (~(STACK_SIZE - 1)) |
| ); |
| return v; |
| } |