Changeset 0ca6faa in mainline for arch/ia32/src

Timestamp:

2005-05-08T22:32:29Z (21 years ago)

Author:

Jakub Vana <jakub.vana@…>

Branches:

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

Children:

2265edf

Parents:

c4a5207f

Message:

Move fpu_context switching functions from context.s to fpu_context.c on all platforms.
Add fpu_context.h.

Make before_thread_runs() arch-independent and create arch dependent version before_thread_runs_arch().

Location:

arch/ia32/src

Files:

• context.s (modified) (1 diff)
• fpu_context.c (added)
• proc/scheduler.c (modified) (1 diff)

arch/ia32/src/context.s

@@ -80 +80 @@
 
 
-fpu_context_save:
-        ret
-
-fpu_context_restore:
-        ret
-
-fpu_lazy_context_save:
-        pushl %eax
-        mov 8(%esp),%eax
-        fxsave (%eax)
-        popl %eax
-        ret
-
-fpu_lazy_context_restore:
-        pushl %eax
-        mov 8(%esp),%eax
-        fxrstor (%eax)
-        popl %eax
-        ret
-

arch/ia32/src/proc/scheduler.c

@@ -32 +32 @@
 #include <arch.h>
 
-void before_thread_runs(void)
+void before_thread_runs_arch(void)
 {
         CPU->arch.tss->esp0 = (__address) &THREAD->kstack[THREAD_STACK_SIZE-8];