| 26,10 → 26,10 |
|---|
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup arm32 |
| /** @addtogroup arm32 |
| * @{ |
| */ |
| /** @file |
| /** @file |
| * @brief Declarations of functions implemented in assembly. |
| */ |
| |
| 36,6 → 36,7 |
|---|
| #ifndef KERN_arm32_ASM_H_ |
| #define KERN_arm32_ASM_H_ |
| |
| #include <typedefs.h> |
| #include <arch/types.h> |
| #include <arch/stack.h> |
| #include <config.h> |
| 77,18 → 78,19 |
|---|
| } |
| |
| /** Return base address of current stack. |
| * |
| * |
| * 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; |
| } |