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1 | #ifndef _SYSTEMCFG_H |
2 | #define _SYSTEMCFG_H | |
3 | ||
799d6046 | 4 | /* |
1da177e4 LT |
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 | |
799d6046 | 15 | * End Change Activity |
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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 | ||
31 | struct 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__ | |
799d6046 | 59 | extern struct systemcfg *_systemcfg; /* to be renamed */ |
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60 | #endif |
61 | ||
62 | #endif /* __ASSEMBLY__ */ | |
63 | ||
64 | #endif /* _SYSTEMCFG_H */ |