Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 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__ |
| 59 | extern struct systemcfg *systemcfg; |
| 60 | #endif |
| 61 | |
| 62 | #endif /* __ASSEMBLY__ */ |
| 63 | |
| 64 | #endif /* _SYSTEMCFG_H */ |