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65 lines
2.0 KiB
65 lines
2.0 KiB
20 years ago
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#ifndef _SYSTEMCFG_H
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#define _SYSTEMCFG_H
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/*
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* Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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/* Change Activity:
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* 2002/09/30 : bergner : Created
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* End Change Activity
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*/
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/*
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* If the major version changes we are incompatible.
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* Minor version changes are a hint.
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*/
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#define SYSTEMCFG_MAJOR 1
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#define SYSTEMCFG_MINOR 1
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#ifndef __ASSEMBLY__
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#include <linux/unistd.h>
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#define SYSCALL_MAP_SIZE ((__NR_syscalls + 31) / 32)
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struct systemcfg {
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__u8 eye_catcher[16]; /* Eyecatcher: SYSTEMCFG:PPC64 0x00 */
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struct { /* Systemcfg version numbers */
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__u32 major; /* Major number 0x10 */
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__u32 minor; /* Minor number 0x14 */
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} version;
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__u32 platform; /* Platform flags 0x18 */
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__u32 processor; /* Processor type 0x1C */
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__u64 processorCount; /* # of physical processors 0x20 */
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__u64 physicalMemorySize; /* Size of real memory(B) 0x28 */
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__u64 tb_orig_stamp; /* Timebase at boot 0x30 */
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__u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */
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__u64 tb_to_xs; /* Inverse of TB to 2^20 0x40 */
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__u64 stamp_xsec; /* 0x48 */
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__u64 tb_update_count; /* Timebase atomicity ctr 0x50 */
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__u32 tz_minuteswest; /* Minutes west of Greenwich 0x58 */
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__u32 tz_dsttime; /* Type of dst correction 0x5C */
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/* next four are no longer used except to be exported to /proc */
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__u32 dcache_size; /* L1 d-cache size 0x60 */
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__u32 dcache_line_size; /* L1 d-cache line size 0x64 */
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__u32 icache_size; /* L1 i-cache size 0x68 */
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__u32 icache_line_size; /* L1 i-cache line size 0x6C */
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__u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of available syscalls 0x70 */
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__u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of available syscalls */
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};
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#ifdef __KERNEL__
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extern struct systemcfg *systemcfg;
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* _SYSTEMCFG_H */
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