Category

Development Platform
Home > SourceCode/Document > Linux-Unix program > View Code
head.h
Package: linux-2.4.20.tar.gz　[view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 1k
Category:

Linux-Unix program

Development Platform:

Unix_Linux

head.h：Code Content
  1. /* $Id: head.h,v 1.30.8.1 2002/03/03 10:31:56 davem Exp $ */
  2. #ifndef _SPARC64_HEAD_H
  3. #define _SPARC64_HEAD_H
  5. #include <asm/pstate.h>
  7. #define KERNBASE 0x400000
  9. #define PTREGS_OFF (STACK_BIAS + REGWIN_SZ)
  11. #define __CHEETAH_ID 0x003e0014
  13. #define CHEETAH_MANUF 0x003e
  14. #define CHEETAH_IMPL 0x0014
  15. #define CHEETAH_PLUS_IMPL 0x0015
  17. #define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label)
  18. rdpr %ver, %tmp1;
  19. sethi %hi(__CHEETAH_ID), %tmp2;
  20. srlx %tmp1, 32, %tmp1;
  21. or %tmp2, %lo(__CHEETAH_ID), %tmp2;
  22. cmp %tmp1, %tmp2;
  23. be,pn %icc, label;
  24.  nop;
  26. #define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label)
  27. rdpr %ver, %tmp1;
  28. srlx %tmp1, (32 + 16), %tmp2;
  29. cmp %tmp2, CHEETAH_MANUF;
  30. bne,pt %xcc, 99f;
  31.  sllx %tmp1, 16, %tmp1;
  32. srlx %tmp1, (32 + 16), %tmp2;
  33. cmp %tmp2, CHEETAH_PLUS_IMPL;
  34. bgeu,pt %xcc, label;
  35. 99:  nop;
  37. #define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label)
  38. rdpr %ver, %tmp1;
  39. srlx %tmp1, (32 + 16), %tmp2;
  40. cmp %tmp2, CHEETAH_MANUF;
  41. bne,pt %xcc, 99f;
  42.  sllx %tmp1, 16, %tmp1;
  43. srlx %tmp1, (32 + 16), %tmp2;
  44. cmp %tmp2, CHEETAH_IMPL;
  45. bgeu,pt %xcc, label;
  46. 99:  nop;
  48. #endif /* !(_SPARC64_HEAD_H) */