Changeset 4b2c872d in mainline for arch/ia64

Timestamp:

2005-10-18T09:33:02Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

8005218

Parents:

22f7769

Message:

Create generic context_save() and context_restore().
These two functions are defined inline and only call context_save_arch() and context_restore_arch(), respectively.
The main purpose of this is to enable centralized commenting of these important and tricky functions.

Location:

arch/ia64

Files:

• include/context.h (modified) (5 diffs)
• src/context.S (modified) (2 diffs)

arch/ia64/include/context.h

@@ -31 +31 @@
 
 #include <arch/types.h>
+#include <typedefs.h>
 #include <align.h>
 
@@ -51 +52 @@
         (c)->pc = (__address) _pc;                                                      \
         (c)->bsp = ((__address) stack) + ALIGN(sizeof(the_t), STACK_ALIGNMENT);         \
-        (c)->sp = ((__address) stack) + ALIGN((size) - SP_DELTA, STACK_ALIGNMENT);
+        (c)->sp = ((__address) stack) + ALIGN((size), STACK_ALIGNMENT) - SP_DELTA;
 
 /*
@@ -66 +67 @@
         __u64 ar_unat_callee;
         __u64 ar_rsc;
-        __u64 bsp;      /* ar_bsp */
+        __address bsp;          /* ar_bsp */
         __u64 ar_rnat;
         __u64 ar_lc;
@@ -78 +79 @@
         __u64 r6;
         __u64 r7;
-        __u64 sp;               /* r12 */
+        __address sp;           /* r12 */
         __u64 r13;
         
@@ -84 +85 @@
          * Branch registers
          */
-        __u64 pc;               /* b0 */
+        __address pc;           /* b0 */
         __u64 b1;
         __u64 b2;

arch/ia64/src/context.S

@@ -29 +29 @@
 .text
 
-.global context_save
-.global context_restore
+.global context_save_arch
+.global context_restore_arch
 
-context_save:
+context_save_arch:
         alloc loc0 = ar.pfs, 1, 8, 0, 0
         mov loc1 = ar.unat      ;;
@@ -113 +113 @@
         br.ret.sptk.many b0
 
-context_restore:
+context_restore_arch:
         alloc loc0 = ar.pfs, 1, 8, 0, 0 ;;