Changeset ee69c49 in mainline

Timestamp:

2005-12-01T10:36:02Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

74813216

Parents:

5ff4f6b

Message:

sparc64 work.
Add stack.h.

Location:

arch/sparc64

Files:

• include/context.h (modified) (3 diffs)
• include/stack.h (added)
• src/context.S (modified) (4 diffs)

arch/sparc64/include/context.h

@@ -30 +30 @@
 #define __sparc64_CONTEXT_H__
 
+#include <arch/stack.h>
+
 #ifndef __sparc64_TYPES_H__
 # include <arch/types.h>
@@ -38 +40 @@
 #endif
 
-/** According to SPARC Compliance Definition, every stack frame is 16-byte aligned. */
-#define STACK_ALIGNMENT                 16
-
-#define STACK_ITEM_SIZE                 sizeof(__u64)
-
-/**
- * 16-extended-word save area for %i[0-7] and %l[0-7] registers.
- */
-#define SAVE_AREA       (16*STACK_ITEM_SIZE)
-#define SP_DELTA        SAVE_AREA
-
-/**
- * By convention, the actual top of the stack is %sp + BIAS.
- */
-#define BIAS            2047
+#define SP_DELTA        STACK_WINDOW_SAVE_AREA_SIZE
 
 #ifdef context_set
@@ -60 +48 @@
 #define context_set(c, _pc, stack, size)                                                                \
         (c)->pc = ((__address) _pc) - 8;                                                                \
-        (c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - (BIAS + SP_DELTA)
+        (c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA)
 
 /*

arch/sparc64/src/context.S

@@ -28 +28 @@
 
 #include <arch/context_offset.h>
+#include <arch/stack.h>
         
 .text   
@@ -73 +74 @@
         
 context_save_arch:
-        save %sp, -128, %sp
+        save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
         CONTEXT_STORE %i0
 
@@ -82 +83 @@
         
 context_restore_arch:
-        save %sp, -128, %sp
+        save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
         CONTEXT_LOAD %i0
 
@@ -88 +89 @@
         xor %i0, %i0, %i0                       
         ret
-        restore %sp, 128, %sp   
+        restore %sp, STACK_WINDOW_SAVE_AREA_SIZE, %sp