/* * linux/arch/arm/lib/io-shark.c * * by Alexander Schulz * * derived from: * linux/arch/arm/lib/io-ebsa.S * Copyright (…
IO 源代码
I/O输入/输出(Input/Output),分为IO设备和IO接口两个部分。在POSIX兼容的系统上,例如Linux系统[1],I/O操作可以有多种方式,比如DIO(DirectI/O),AIO(AsynchronousI/O,异步I/O),Memory-MappedI/O(内…
/* * linux/arch/arm/lib/io-writesb.S * * Copyright (C) 1995-2000 Russell King * * This program is free software; you can re…
/* * linux/arch/arm/lib/io-readsb.S * * Copyright (C) 1995-2000 Russell King * * This program is free software; you can red…
/* * linux/arch/arm/lib/io-acorn.S * * Copyright (C) 1995, 1996 Russell King * * This program is free software; you can red…
/* * linux/arch/arm/lib/io-writesl.S * * Copyright (C) 1995-2000 Russell King * * This program is free software; you can re…
/* $Id: io-unit.c,v 1.24 2001/12/17 07:05:09 davem Exp $ * io-unit.c: IO-UNIT specific routines for memory management. * * Cop…
/* * linux/arch/arm/lib/io-shark.c * * by Alexander Schulz * * derived from: * linux/arch/arm/lib/io-ebsa.S * Copyright …
/* * linux/arch/arm/lib/io-writesb.S * * Copyright (C) 1995-2000 Russell King * * This program is free software; you can re…
/* * linux/arch/arm/lib/io-readsb.S * * Copyright (C) 1995-2000 Russell King * * This program is free software; you can red…
#include #include #include .equ pcio_high, PCIO_BASE & 0xff000000 .equ pcio_low, PCIO_BASE & 0x00ffffff .macro ioaddr,…