patch-2.2.8 linux/include/asm-arm/arch-rpc/memory.h

• Lines: 42
• Date: Sat May 8 11:06:57 1999
• Orig file: v2.2.7/linux/include/asm-arm/arch-rpc/memory.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.2.7/linux/include/asm-arm/arch-rpc/memory.h linux/include/asm-arm/arch-rpc/memory.h
@@ -0,0 +1,41 @@
+/*
+ * linux/include/asm-arm/arch-rpc/memory.h
+ *
+ * Copyright (c) 1996,1997,1998 Russell King.
+ *
+ * Changelog:
+ *  20-Oct-1996	RMK	Created
+ *  31-Dec-1997	RMK	Fixed definitions to reduce warnings
+ *  11-Jan-1998	RMK	Uninlined to reduce hits on cache
+ *  08-Feb-1998	RMK	Added __virt_to_bus and __bus_to_virt
+ *  21-Mar-1999	RMK	Renamed to memory.h
+ *		RMK	Added TASK_SIZE and PAGE_OFFSET
+ */
+#ifndef __ASM_ARCH_MMU_H
+#define __ASM_ARCH_MMU_H
+
+/*
+ * Task size: 3GB
+ */
+#define TASK_SIZE	(0xc0000000UL)
+
+/*
+ * Page offset: 3GB
+ */
+#define PAGE_OFFSET	(0xc0000000UL)
+
+#ifndef __ASSEMBLY__
+extern unsigned long __virt_to_phys(unsigned long vpage);
+extern unsigned long __phys_to_virt(unsigned long ppage);
+#endif
+
+/*
+ * These are exactly the same on the RiscPC as the
+ * physical memory view.
+ */
+#define __virt_to_bus__is_a_macro
+#define __virt_to_bus(x) __virt_to_phys(x)
+#define __bus_to_virt__is_a_macro
+#define __bus_to_virt(x) __phys_to_virt(x)
+
+#endif