Changeset 414f59c in mainline for arch/sparc64/include/context.h

Timestamp:

2005-12-01T20:27:22Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

8ac5fe7

Parents:

22e10ab

Message:

sparc64 work.
The context_save/context_restore needed two other improvements.
First, storing of %fp because of window_fills.
Second, flushing all active windows before CONTEXT_LOAD to make CWP - 1 the overlap window.

File:

• arch/sparc64/include/context.h (modified) (2 diffs)

arch/sparc64/include/context.h

@@ -48 +48 @@
 #endif
 
-#define context_set(c, _pc, stack, size)                                                                \
-        (c)->pc = ((__address) _pc) - 8;                                                                \
-        (c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA)
+#define context_set(c, _pc, stack, size)                                                                \
+        (c)->pc = ((__address) _pc) - 8;                                                                \
+        (c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA);       \
+        (c)->fp = -STACK_BIAS
+        
 
 /*
@@ -65 +67 @@
         __address sp;           /* %o6 */
         __address pc;           /* %o7 */
+        __address fp;
         ipl_t ipl;
 };