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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051/* * include/asm-xtensa/bootparam.h * * Definition of the Linux/Xtensa boot parameter structure * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2001 - 2005 Tensilica Inc. * * (Concept borrowed from the 68K port) */
#ifndef _XTENSA_BOOTPARAM_H#define _XTENSA_BOOTPARAM_H
#define BP_VERSION 0x0001
#define BP_TAG_COMMAND_LINE 0x1001 /* command line (0-terminated string)*/#define BP_TAG_INITRD 0x1002 /* ramdisk addr and size (bp_meminfo) */#define BP_TAG_MEMORY 0x1003 /* memory addr and size (bp_meminfo) */#define BP_TAG_SERIAL_BAUDRATE 0x1004 /* baud rate of current console. */#define BP_TAG_SERIAL_PORT 0x1005 /* serial device of current console */#define BP_TAG_FDT 0x1006 /* flat device tree addr */
#define BP_TAG_FIRST 0x7B0B /* first tag with a version number */#define BP_TAG_LAST 0x7E0B /* last tag */
#ifndef __ASSEMBLER__
/* All records are aligned to 4 bytes */
typedef struct bp_tag { unsigned short id; /* tag id */ unsigned short size; /* size of this record excluding the structure*/ unsigned long data[]; /* data */} bp_tag_t;
struct bp_meminfo { unsigned long type; unsigned long start; unsigned long end;};
#define MEMORY_TYPE_CONVENTIONAL 0x1000#define MEMORY_TYPE_NONE 0x2000
#endif#endif