head.h 1.7 KB

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  1. /* $Id: head.h,v 1.30 1997/08/08 08:34:33 jj Exp $ */
  2. #ifndef _SPARC64_HEAD_H
  3. #define _SPARC64_HEAD_H
  4. #include <asm/pstate.h>
  5. #define KERNBASE 0x400000
  6. #define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ)
  7. #define __CHEETAH_ID 0x003e0014
  8. #define __JALAPENO_ID 0x003e0016
  9. #define __SERRANO_ID 0x003e0022
  10. #define CHEETAH_MANUF 0x003e
  11. #define CHEETAH_IMPL 0x0014 /* Ultra-III */
  12. #define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */
  13. #define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */
  14. #define JAGUAR_IMPL 0x0018 /* Ultra-IV */
  15. #define PANTHER_IMPL 0x0019 /* Ultra-IV+ */
  16. #define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */
  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;
  25. #define BRANCH_IF_JALAPENO(tmp1,tmp2,label) \
  26. rdpr %ver, %tmp1; \
  27. sethi %hi(__JALAPENO_ID), %tmp2; \
  28. srlx %tmp1, 32, %tmp1; \
  29. or %tmp2, %lo(__JALAPENO_ID), %tmp2;\
  30. cmp %tmp1, %tmp2; \
  31. be,pn %icc, label; \
  32. nop;
  33. #define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label) \
  34. rdpr %ver, %tmp1; \
  35. srlx %tmp1, (32 + 16), %tmp2; \
  36. cmp %tmp2, CHEETAH_MANUF; \
  37. bne,pt %xcc, 99f; \
  38. sllx %tmp1, 16, %tmp1; \
  39. srlx %tmp1, (32 + 16), %tmp2; \
  40. cmp %tmp2, CHEETAH_PLUS_IMPL; \
  41. bgeu,pt %xcc, label; \
  42. 99: nop;
  43. #define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label) \
  44. rdpr %ver, %tmp1; \
  45. srlx %tmp1, (32 + 16), %tmp2; \
  46. cmp %tmp2, CHEETAH_MANUF; \
  47. bne,pt %xcc, 99f; \
  48. sllx %tmp1, 16, %tmp1; \
  49. srlx %tmp1, (32 + 16), %tmp2; \
  50. cmp %tmp2, CHEETAH_IMPL; \
  51. bgeu,pt %xcc, label; \
  52. 99: nop;
  53. #endif /* !(_SPARC64_HEAD_H) */