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Linux kernel mirror (for testing)
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linux
1#ifndef _SYSTEMCFG_H
2#define _SYSTEMCFG_H
3
4/*
5 * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12
13/* Change Activity:
14 * 2002/09/30 : bergner : Created
15 * End Change Activity
16 */
17
18/*
19 * If the major version changes we are incompatible.
20 * Minor version changes are a hint.
21 */
22#define SYSTEMCFG_MAJOR 1
23#define SYSTEMCFG_MINOR 1
24
25#ifndef __ASSEMBLY__
26
27#include <linux/unistd.h>
28
29#define SYSCALL_MAP_SIZE ((__NR_syscalls + 31) / 32)
30
31struct systemcfg {
32 __u8 eye_catcher[16]; /* Eyecatcher: SYSTEMCFG:PPC64 0x00 */
33 struct { /* Systemcfg version numbers */
34 __u32 major; /* Major number 0x10 */
35 __u32 minor; /* Minor number 0x14 */
36 } version;
37
38 __u32 platform; /* Platform flags 0x18 */
39 __u32 processor; /* Processor type 0x1C */
40 __u64 processorCount; /* # of physical processors 0x20 */
41 __u64 physicalMemorySize; /* Size of real memory(B) 0x28 */
42 __u64 tb_orig_stamp; /* Timebase at boot 0x30 */
43 __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */
44 __u64 tb_to_xs; /* Inverse of TB to 2^20 0x40 */
45 __u64 stamp_xsec; /* 0x48 */
46 __u64 tb_update_count; /* Timebase atomicity ctr 0x50 */
47 __u32 tz_minuteswest; /* Minutes west of Greenwich 0x58 */
48 __u32 tz_dsttime; /* Type of dst correction 0x5C */
49 /* next four are no longer used except to be exported to /proc */
50 __u32 dcache_size; /* L1 d-cache size 0x60 */
51 __u32 dcache_line_size; /* L1 d-cache line size 0x64 */
52 __u32 icache_size; /* L1 i-cache size 0x68 */
53 __u32 icache_line_size; /* L1 i-cache line size 0x6C */
54 __u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of available syscalls 0x70 */
55 __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of available syscalls */
56};
57
58#ifdef __KERNEL__
59extern struct systemcfg *systemcfg;
60#endif
61
62#endif /* __ASSEMBLY__ */
63
64#endif /* _SYSTEMCFG_H */