include/asm-sparc64/head.h

   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         /* wrpr %g0, val, %gl */
   8 #define SET_GL(val)     \
   9         .word   0xa1902000 | val
  10
  11 #define KERNBASE        0x400000
  12
  13 #define PTREGS_OFF      (STACK_BIAS + STACKFRAME_SZ)
  14
  15 #define __CHEETAH_ID    0x003e0014
  16 #define __JALAPENO_ID   0x003e0016
  17 #define __SERRANO_ID    0x003e0022
  18
  19 #define CHEETAH_MANUF           0x003e
  20 #define CHEETAH_IMPL            0x0014 /* Ultra-III   */
  21 #define CHEETAH_PLUS_IMPL       0x0015 /* Ultra-III+  */
  22 #define JALAPENO_IMPL           0x0016 /* Ultra-IIIi  */
  23 #define JAGUAR_IMPL             0x0018 /* Ultra-IV    */
  24 #define PANTHER_IMPL            0x0019 /* Ultra-IV+   */
  25 #define SERRANO_IMPL            0x0022 /* Ultra-IIIi+ */
  26
  27 #define BRANCH_IF_SUN4V(tmp1,label)             \
  28         sethi   %hi(is_sun4v), %tmp1;           \
  29         lduw    [%tmp1 + %lo(is_sun4v)], %tmp1; \
  30         brnz,pn %tmp1, label;                   \
  31          nop
  32
  33 #define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \
  34         rdpr    %ver, %tmp1;                    \
  35         sethi   %hi(__CHEETAH_ID), %tmp2;       \
  36         srlx    %tmp1, 32, %tmp1;               \
  37         or      %tmp2, %lo(__CHEETAH_ID), %tmp2;\
  38         cmp     %tmp1, %tmp2;                   \
  39         be,pn   %icc, label;                    \
  40          nop;
  41
  42 #define BRANCH_IF_JALAPENO(tmp1,tmp2,label)     \
  43         rdpr    %ver, %tmp1;                    \
  44         sethi   %hi(__JALAPENO_ID), %tmp2;      \
  45         srlx    %tmp1, 32, %tmp1;               \
  46         or      %tmp2, %lo(__JALAPENO_ID), %tmp2;\
  47         cmp     %tmp1, %tmp2;                   \
  48         be,pn   %icc, label;                    \
  49          nop;
  50
  51 #define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(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_PLUS_IMPL;       \
  59         bgeu,pt %xcc, label;                    \
  60 99:      nop;
  61
  62 #define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label)  \
  63         rdpr    %ver, %tmp1;                    \
  64         srlx    %tmp1, (32 + 16), %tmp2;        \
  65         cmp     %tmp2, CHEETAH_MANUF;           \
  66         bne,pt  %xcc, 99f;                      \
  67          sllx   %tmp1, 16, %tmp1;               \
  68         srlx    %tmp1, (32 + 16), %tmp2;        \
  69         cmp     %tmp2, CHEETAH_IMPL;            \
  70         bgeu,pt %xcc, label;                    \
  71 99:      nop;
  72
  73 #endif /* !(_SPARC64_HEAD_H) */