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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
   5 #include <asm/pstate.h>
   6
   7 #define KERNBASE        0x400000
   8
   9 #define PTREGS_OFF      (STACK_BIAS + STACKFRAME_SZ)
  10
  11 #define __CHEETAH_ID    0x003e0014
  12 #define __JALAPENO_ID   0x003e0016
  13
  14 #define CHEETAH_MANUF           0x003e
  15 #define CHEETAH_IMPL            0x0014 /* Ultra-III   */
  16 #define CHEETAH_PLUS_IMPL       0x0015 /* Ultra-III+  */
  17 #define JALAPENO_IMPL           0x0016 /* Ultra-IIIi  */
  18 #define JAGUAR_IMPL             0x0018 /* Ultra-IV    */
  19 #define PANTHER_IMPL            0x0019 /* Ultra-IV+   */
  20 #define SERRANO_IMPL            0x0022 /* Ultra-IIIi+ */
  21
  22 #define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \
  23         rdpr    %ver, %tmp1;                    \
  24         sethi   %hi(__CHEETAH_ID), %tmp2;       \
  25         srlx    %tmp1, 32, %tmp1;               \
  26         or      %tmp2, %lo(__CHEETAH_ID), %tmp2;\
  27         cmp     %tmp1, %tmp2;                   \
  28         be,pn   %icc, label;                    \
  29          nop;
  30
  31 #define BRANCH_IF_JALAPENO(tmp1,tmp2,label)     \
  32         rdpr    %ver, %tmp1;                    \
  33         sethi   %hi(__JALAPENO_ID), %tmp2;      \
  34         srlx    %tmp1, 32, %tmp1;               \
  35         or      %tmp2, %lo(__JALAPENO_ID), %tmp2;\
  36         cmp     %tmp1, %tmp2;                   \
  37         be,pn   %icc, label;                    \
  38          nop;
  39
  40 #define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label)     \
  41         rdpr    %ver, %tmp1;                    \
  42         srlx    %tmp1, (32 + 16), %tmp2;        \
  43         cmp     %tmp2, CHEETAH_MANUF;           \
  44         bne,pt  %xcc, 99f;                      \
  45          sllx   %tmp1, 16, %tmp1;               \
  46         srlx    %tmp1, (32 + 16), %tmp2;        \
  47         cmp     %tmp2, CHEETAH_PLUS_IMPL;       \
  48         bgeu,pt %xcc, label;                    \
  49 99:      nop;
  50
  51 #define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label)  \
  52         rdpr    %ver, %tmp1;                    \
  53         srlx    %tmp1, (32 + 16), %tmp2;        \
  54         cmp     %tmp2, CHEETAH_MANUF;           \
  55         bne,pt  %xcc, 99f;                      \
  56          sllx   %tmp1, 16, %tmp1;               \
  57         srlx    %tmp1, (32 + 16), %tmp2;        \
  58         cmp     %tmp2, CHEETAH_IMPL;            \
  59         bgeu,pt %xcc, label;                    \
  60 99:      nop;
  61
  62 #endif /* !(_SPARC64_HEAD_H) */