Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
at v6.1 29 lines 600 B view raw
1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * 4 * Copyright (C) 2013 John Crispin <john@phrozen.org> 5 */ 6 7#include <linux/debugfs.h> 8#include <linux/seq_file.h> 9 10#define BOOTROM_OFFSET 0x10118000 11#define BOOTROM_SIZE 0x8000 12 13static void __iomem *membase = (void __iomem *) KSEG1ADDR(BOOTROM_OFFSET); 14 15static int bootrom_show(struct seq_file *s, void *unused) 16{ 17 seq_write(s, membase, BOOTROM_SIZE); 18 19 return 0; 20} 21DEFINE_SHOW_ATTRIBUTE(bootrom); 22 23static int __init bootrom_setup(void) 24{ 25 debugfs_create_file("bootrom", 0444, NULL, NULL, &bootrom_fops); 26 return 0; 27} 28 29postcore_initcall(bootrom_setup);