[commit] r5572 - trunk/src/include/cpu/x86

[repository service]

Author: stepan
Date: Wed May 19 20:39:23 2010
New Revision: 5572
URL: https://tracker.coreboot.org/trac/coreboot/changeset/5572

Log:
cosmetic comment changes.
Signed-off-by: Stefan Reinauer 
Acked-by: Stefan Reinauer

Modified:
   trunk/src/include/cpu/x86/cache.h

Modified: trunk/src/include/cpu/x86/cache.h
==============================================================================
--- trunk/src/include/cpu/x86/cache.h	Wed May 19 12:01:37 2010	(r5571)
+++ trunk/src/include/cpu/x86/cache.h	Wed May 19 20:39:23 2010	(r5572)
@@ -20,18 +20,17 @@
 #ifndef CPU_X86_CACHE
 #define CPU_X86_CACHE

-/* the memory clobber prevents the GCC from reordering the read/write order
-   of CR0 */
-
-#if defined(__GNUC__)
-
 /*
-Need this because ROMCC fails here with:
+ * Need two versions because ROMCC chokes on certain clobbers:
+ * cache.h:29.71: cache.h:60.24: earlymtrr.c:117.23: romstage.c:144.33: 
+ * 0x1559920 asm        Internal compiler error: lhs 1 regcm == 0
+ */

-cache.h:29.71: cache.h:60.24: earlymtrr.c:117.23: romstage.c:144.33: 
-0x1559920 asm        Internal compiler error: lhs 1 regcm == 0
-*/
+#if defined(__GNUC__)

+/* The memory clobber prevents the GCC from reordering the read/write order
+ * of CR0
+ */
 static inline unsigned long read_cr0(void)
 {
    unsigned long cr0;