| /SPARTAN/trunk/arch/ia64/include/asm.h |
|---|
| 32,10 → 32,19 |
| #include <arch/types.h> |
| #include <config.h> |
| /* TODO: implement the real stuff */ |
| /** Return base address of current stack |
| * |
| * Return the base address of the current stack. |
| * The stack is assumed to be STACK_SIZE long. |
| * The stack must start on page boundary. |
| */ |
| static inline __address get_stack_base(void) |
| { |
| return NULL; |
| __u64 v; |
| __asm__ volatile ("and %0 = %1, r12" : "=r" (v) : "r" (~(STACK_SIZE-1))); |
| return v; |
| } |
| #endif |
| /SPARTAN/trunk/arch/ia64/include/context.h |
|---|
| 31,11 → 31,15 |
| #include <arch/types.h> |
| #define STACK_ITEM_SIZE 16 |
| /* |
| * context_save() and context_restore() are both leaf procedures. |
| * No need to allocate scratch area. |
| * |
| * One item is put onto the stack to support get_stack_base(). |
| */ |
| #define SP_DELTA 0 |
| #define SP_DELTA (0+STACK_ITEM_SIZE) |
| #ifdef context_set |
| #undef context_set |