patch-2.1.96 linux/include/asm-arm/arch-rpc/mmu.h

• Lines: 22
• Date: Sun Apr 12 11:42:16 1998
• Orig file: v2.1.95/linux/include/asm-arm/arch-rpc/mmu.h
• Orig date: Tue Jan 20 16:39:42 1998

diff -u --recursive --new-file v2.1.95/linux/include/asm-arm/arch-rpc/mmu.h linux/include/asm-arm/arch-rpc/mmu.h
@@ -7,11 +7,21 @@
  *  20-10-1996	RMK	Created
  *  31-12-1997	RMK	Fixed definitions to reduce warnings
  *  11-01-1998	RMK	Uninlined to reduce hits on cache
+ *  08-02-1998	RMK	Added __virt_to_bus and __bus_to_virt
  */
 #ifndef __ASM_ARCH_MMU_H
 #define __ASM_ARCH_MMU_H
 
 extern unsigned long __virt_to_phys(unsigned long vpage);
 extern unsigned long __phys_to_virt(unsigned long ppage);
+
+/*
+ * 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