patch-2.4.5 linux/arch/ppc/kernel/ppc_asm.h

• Lines: 31
• Date: Mon May 21 17:04:47 2001
• Orig file: v2.4.4/linux/arch/ppc/kernel/ppc_asm.h
• Orig date: Mon Jan 22 15:41:15 2001

diff -u --recursive --new-file v2.4.4/linux/arch/ppc/kernel/ppc_asm.h linux/arch/ppc/kernel/ppc_asm.h
@@ -1,4 +1,7 @@
 /*
+ * BK Id: SCCS/s.ppc_asm.h 1.10 05/17/01 18:14:21 cort
+ */
+/*
  * arch/ppc/kernel/ppc_asm.h
  *
  * Definitions used by various bits of low-level assembly code on PowerPC.
@@ -130,3 +133,22 @@
 #define MTMSRD(r)	mtmsr	r
 #define CLR_TOP32(r)
 #endif /* CONFIG_PPC64BRIDGE */
+
+/*
+ * Defines for cache-line size etc.
+ */
+#if defined(CONFIG_4xx) || defined(CONFIG_8xx)
+#define CACHE_LINE_SIZE		16
+#define LG_CACHE_LINE_SIZE	4
+#define MAX_COPY_PREFETCH	1
+
+#elif !defined(CONFIG_PPC64BRIDGE)
+#define CACHE_LINE_SIZE		32
+#define LG_CACHE_LINE_SIZE	5
+#define MAX_COPY_PREFETCH	4
+
+#else
+#define CACHE_LINE_SIZE		128
+#define LG_CACHE_LINE_SIZE	7
+#define MAX_COPY_PREFETCH	1
+#endif /* CONFIG_4xx || CONFIG_8xx */