Changeset f76fed4 in mainline for arch/ia32/include/fpu_context.h

Timestamp:

2006-03-03T00:20:31Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

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

Children:

09c18f7

Parents:

ddcf365

Message:

Added lazy fpu context allocation.

• threads that don't use fpu, don't get allocated fpu context
• fpu context alignment on AMD64 nicely disappeared

File:

• arch/ia32/include/fpu_context.h (modified) (1 diff)

arch/ia32/include/fpu_context.h

@@ -32 +32 @@
 #include <arch/types.h>
 
+#define ARCH_HAS_FPU
+#define FPU_CONTEXT_ALIGN 16
+
 struct fpu_context {
         /* TODO: We need malloc that aligns structures on 16-byte boundary */
-        __u8 fpu[512+16];               /* FXSAVE & FXRSTOR storage area */
+        __u8 fpu[512];          /* FXSAVE & FXRSTOR storage area */
 };