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DMA 的代码
dma.c
/**********************************************************************
CAUTION: DMA operation is being done in cache-on state NOW.
So,some read value may be not same with real memory value
dma.h
/* $Id: dma.h,v 1.7 1992/12/14 00:29:34 root Exp root $
* linux/include/asm/dma.h: Defines for using and allocating dma channels.
* Written by Hennus Bergman, 1992.
* High DMA channel support &
dma.h
/* $Id: dma.h,v 1.7 1992/12/14 00:29:34 root Exp root $
* linux/include/asm/dma.h: Defines for using and allocating dma channels.
* Written by Hennus Bergman, 1992.
* High DMA channel support &
dma.c
/* $Id: dma.c,v 1.5 1992/11/18 02:49:05 root Exp root $
* linux/kernel/dma.c: A DMA channel allocator. Inspired by linux/kernel/irq.c.
* Written by Hennus Bergman, 1992.
*/
#include
dma.c
/*****************************************
NAME: dma.c
DESC: DMA memory2memory test
HISTORY:
2001.03.31:purnnamu: draft ver 0.0
*****************************************/
#include
dma.h
#ifndef __DMA_H__
#define __DMA_H__
void Test_DMA(void);
#endif /*__DMA_H__*/
dma.v
//Copyright (C) 1991-2004 Altera Corporation
//Any megafunction design, and related net list (encrypted or decrypted),
//support information, device programming or simulation file, and any other
//
dma.c
#include "def.h"
#include "option.h"
#include "2440addr.h"
#include "2440lib.h"
#include "2440slib.h"
#include "dma.h"
#define DMA_CHECK_ATTR 1
typedef struct{ //can't use __packed???