systemcfg.h 2.0 KB

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