Changeset 437ee6a4 in mainline for arch/sparc64/include/context.h

Timestamp:

2005-10-30T13:49:39Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

df91be5

Parents:

2cd0485d

Message:

sparc64 work.
Add context_save(), context_set() and context_restore().
Remove putchar() definition from ofw.c.
Add sparc64 putchar().
Add ppc32 putchar() (i.e. the original ofw.c putchar()).
Make arg.h use the builtin va_* constructs.

File:

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

arch/sparc64/include/context.h

@@ -30 +30 @@
 #define __sparc64_CONTEXT_H__
 
-#include <arch/types.h>
-#include <typedefs.h>
-#include <align.h>
+#ifndef __sparc64_TYPES_H__
+# include <arch/types.h>
+#endif
 
+#ifndef __ALIGN_H__
+# include <align.h>
+#endif
+
+#define STACK_ALIGNMENT                 8
 #define STACK_ITEM_SIZE                 8
 
@@ -41 +46 @@
 #define SP_DELTA        (0+STACK_ITEM_SIZE)
 
+#ifdef context_set
+#undef context_set
+#endif
+
+#define context_set(c, _pc, stack, size)                                                                \
+        (c)->pc = ((__address) _pc) - 8;                                                                \
+        (c)->sp = ((__address) stack) + (ALIGN((size), STACK_ALIGNMENT) + 1) - SP_DELTA;                        
+
 /*
  * Only save registers that must be preserved across
@@ -46 +59 @@
  */
 struct context {
-
-        __address bsp;
-        __address sp;
-        __address pc;
+        __u64 l0;
+        __u64 l1;
+        __u64 l2;
+        __u64 l3;
+        __u64 l4;
+        __u64 l5;
+        __u64 l6;
+        __u64 l7;
+        __u64 i1;
+        __u64 i2;
+        __u64 i3;
+        __u64 i4;
+        __u64 i5;
+        __address sp;           /* %i6 */
+        __address pc;           /* %i7 */
         ipl_t ipl;
-} __attribute__ ((packed));
+};
 
 #endif