fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-xtensa / bootparam.h
blob9983f2c1b7ee905ad6e15770808d4cce1507cfb1
1 /*
2 * include/asm-xtensa/bootparam.h
4 * Definition of the Linux/Xtensa boot parameter structure
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
10 * Copyright (C) 2001 - 2005 Tensilica Inc.
12 * (Concept borrowed from the 68K port)
15 #ifndef _XTENSA_BOOTPARAM_H
16 #define _XTENSA_BOOTPARAM_H
18 #define BP_VERSION 0x0001
20 #define BP_TAG_COMMAND_LINE 0x1001 /* command line (0-terminated string)*/
21 #define BP_TAG_INITRD 0x1002 /* ramdisk addr and size (bp_meminfo) */
22 #define BP_TAG_MEMORY 0x1003 /* memory addr and size (bp_meminfo) */
23 #define BP_TAG_SERIAL_BAUSRATE 0x1004 /* baud rate of current console. */
24 #define BP_TAG_SERIAL_PORT 0x1005 /* serial device of current console */
26 #define BP_TAG_FIRST 0x7B0B /* first tag with a version number */
27 #define BP_TAG_LAST 0x7E0B /* last tag */
29 #ifndef __ASSEMBLY__
31 /* All records are aligned to 4 bytes */
33 typedef struct bp_tag {
34 unsigned short id; /* tag id */
35 unsigned short size; /* size of this record excluding the structure*/
36 unsigned long data[0]; /* data */
37 } bp_tag_t;
39 typedef struct meminfo {
40 unsigned long type;
41 unsigned long start;
42 unsigned long end;
43 } meminfo_t;
45 #define SYSMEM_BANKS_MAX 5
47 #define MEMORY_TYPE_CONVENTIONAL 0x1000
48 #define MEMORY_TYPE_NONE 0x2000
50 typedef struct sysmem_info {
51 int nr_banks;
52 meminfo_t bank[SYSMEM_BANKS_MAX];
53 } sysmem_info_t;
55 extern sysmem_info_t sysmem;
57 #endif
58 #endif