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memory.h
Package: linux-2.4.20.tar.gz [view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 1k
Category:
Linux-Unix program
Development Platform:
Unix_Linux
- /*
- * linux/include/asm-arm/arch-arc/memory.h
- *
- * Copyright (C) 1996-1999 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Changelog:
- * 22-Nov-1996 RMK Created
- * 21-Mar-1999 RMK Renamed to memory.h
- * RMK Moved PAGE_OFFSET and TASK_SIZE here
- */
- #ifndef __ASM_ARCH_MEMORY_H
- #define __ASM_ARCH_MEMORY_H
- /*
- * User space: 26MB
- */
- #define TASK_SIZE (0x01a00000UL)
- #define TASK_SIZE_26 (0x01a00000UL)
- /*
- * This decides where the kernel will search for a free chunk of vm
- * space during mmap's.
- */
- #define TASK_UNMAPPED_BASE (TASK_SIZE / 3)
- /*
- * Page offset: 32MB
- */
- #define PAGE_OFFSET (0x02000000UL)
- #define PHYS_OFFSET (0x02000000UL)
- #define __virt_to_phys__is_a_macro
- #define __virt_to_phys(vpage) vpage
- #define __phys_to_virt__is_a_macro
- #define __phys_to_virt(ppage) ppage
- /*
- * Virtual view <-> DMA view memory address translations
- * virt_to_bus: Used to translate the virtual address to an
- * address suitable to be passed to set_dma_addr
- * bus_to_virt: Used to convert an address for DMA operations
- * to an address that the kernel can use.
- */
- #define __virt_to_bus__is_a_macro
- #define __virt_to_bus(x) (x)
- #define __bus_to_virt__is_a_macro
- #define __bus_to_virt(x) (x)
- #define PHYS_TO_NID(addr) (0)
- #endif