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DMA 的代码
dma.c
/*
* 8237A DMA Controller Support
* Copyright (c) 2003, David H. Hovemeyer
* $Revision: 1.14 $
*
* This is free software. You are permitted to use,
* redistribute, and modi
dma.cpp
/*
* Copyright (C) 2004, Thejesh AP. All rights reserved.
*/
#include
#include
#include
#include
#include
#include
dma.h
#ifndef _DMA_H
#define _DMA_H
#include "driver.h"
#include "drvreq.h"
#define COMMAND_REG(DMA) ((DMA==1) ? 0x08 : 0xD0) //enable/disable DMA
#define REQ_REG(DMA) ((DMA==1) ? 0x09 : 0xD2) //S
dma.h
#ifndef DMA_H
#define DMA_H
/*******************************************************
*
* copyright @ Motorola 1999
*
*******************************************************/
#define NUM_DMA_REG
_dma.asm
;****************************************************************************
;*
;* SciTech OS Portability Manager Library
;*
;* =====================================================
dma.cpp
/*
* Release Status:OS005-SW-70002-r0p0-00REL0
* $Copyright:
* ----------------------------------------------------------------
* This confidential and proprietary software may be used only a
dma.h
/*
* The content of this file or document is CONFIDENTIAL and PROPRIETARY
* to Jade Technologies Co., Ltd. It is subjected to the terms of a
* License Agreement between Licensee and Jade Tec
dma.cpp
/*
* Release Status:OS005-SW-70002-r0p0-00REL0
* $Copyright:
* ----------------------------------------------------------------
* This confidential and proprietary software may be used only a
dma.h
#ifndef _ASM_DMA_H
#define _ASM_DMA_H
#define claim_dma_lock() 0
#define disable_dma(x)
#define clear_dma_ff(x)
#define set_dma_mode(x, y)
#define virt_to_bus(x)
#define set_dma_addr(x, y)
dma.c
/******************************************************************************
* *
* **********