Changeset 68acf21 in mainline for kernel/arch/sparc64/include/trap/regwin.h

Timestamp:

2010-02-23T21:21:47Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

153fbf9, 7da160b

Parents:

f389409

Message:

Optimize the clean window handler on sun4v according to 12.2.3 of the
UltraSPARC T1 Supplement to the UltraSPARC Architecture 2005.

File:

• kernel/arch/sparc64/include/trap/regwin.h (modified) (2 diffs)

kernel/arch/sparc64/include/trap/regwin.h

@@ -183 +183 @@
         add %l0, 1, %l0
         wrpr %l0, 0, %cleanwin
+#if defined(SUN4U)
         mov %r0, %l0
         mov %r0, %l1
@@ -199 +200 @@
         mov %r0, %o6
         mov %r0, %o7
+#endif
         retry
 .endm
 #endif /* __ASM__ */
 
-#if defined (SUN4U)
+#if defined(SUN4U)
 #include <arch/trap/sun4u/regwin.h>
-#elif defined (SUN4V)
+#elif defined(SUN4V)
 #include <arch/trap/sun4v/regwin.h>
 #endif