github.com/u-root/u-root@v7.0.1-0.20200915234505-ad7babab0a8e+incompatible/pkg/memio/seek_linux.go (about)

     1  // Copyright 2012-2020 the u-root Authors. All rights reserved
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // +build !arm,!arm64
     6  
     7  package memio
     8  
     9  // Read reads data from physical memory at address addr. On x86 platforms,
    10  // this uses the seek+read syscalls. On arm platforms, this uses mmap.
    11  func Read(addr int64, data UintN) error {
    12  	return pathRead(memPath, addr, data)
    13  }
    14  
    15  // Write writes data to physical memory at address addr. On x86 platforms, this
    16  // uses the seek+read syscalls. On arm platforms, this uses mmap.
    17  func Write(addr int64, data UintN) error {
    18  	return pathWrite(memPath, addr, data)
    19  }