Changeset 74813216 in mainline for arch/sparc64/include/context.h

Timestamp:

2005-12-01T13:36:01Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

22e10ab

Parents:

ee69c49

Message:

sparc64 work.
No need to save/restore local registers.

File:

• arch/sparc64/include/context.h (modified) (3 diffs)

arch/sparc64/include/context.h

@@ -30 +30 @@
 #define __sparc64_CONTEXT_H__
 
+#ifndef __sparc64_STACK_H__
 #include <arch/stack.h>
+#endif
 
 #ifndef __sparc64_TYPES_H__
@@ -48 +50 @@
 #define context_set(c, _pc, stack, size)                                                                \
         (c)->pc = ((__address) _pc) - 8;                                                                \
+        (c)->fp = NULL;                                                                                 \
         (c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA)
 
 /*
  * Only save registers that must be preserved across
- * function calls.
+ * function calls and that are not saved in caller's
+ * register window.
  */
 struct context {
-        __u64 l0;
-        __u64 l1;
-        __u64 l2;
-        __u64 l3;
-        __u64 l4;
-        __u64 l5;
-        __u64 l6;
-        __u64 l7;
         __u64 i1;
         __u64 i2;
@@ -68 +64 @@
         __u64 i4;
         __u64 i5;
-        __address sp;           /* %i6 */
+        __address fp;           /* %i6 */
         __address pc;           /* %i7 */
+        __address sp;
         ipl_t ipl;
 };