cregit-Linux how code gets into the kernel

Release 4.14 arch/xtensa/include/asm/bootparam.h

/*
 * 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 __ASSEMBLY__

/* 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[0];	/* 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

Overall Contributors

PersonTokensPropCommitsCommitProp
Chris Zankel10192.66%125.00%
Max Filippov76.42%250.00%
Baruch Siach10.92%125.00%
Total109100.00%4100.00%
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