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DMA 的代码
dma.c
/*****************************************
NAME: dma.c
DESC: DMA memory2memory test
HISTORY:
2003.05.15:Leon YH KIM: draft ver 0.0
*****************************************/
#include
dma.err
"dma.c", line 126: Warning: C2892E: signed constant overflow: '
dma.h
#ifndef __DMA_H__
#define __DMA_H__
void Test_DMA(void);
#endif /*__DMA_H__*/
dma.asl
Device(DMA1) { // 8237 DMA Controller
Name(_HID,EISAID("PNP0200")) // Hardware Device ID
Name(_CRS,Buffer(){
0x2A,
dma.h
#ifndef __DMA_H__
#define __DMA_H__
void Test_Zdma0(void);
void Test_Zdma1(void);
#endif /*__DMA_H__*/
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
#ifndef __DMA_H__
#define __DMA_H__
void Test_Zdma0(void);
void Test_Zdma1(void);
//void Test_Zdma0Xdreq(void);
#endif /*__DMA_H__*/