LXR linux/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        /* rdpr %gl, %gN */
  12#define GET_GL_GLOBAL(N)        \
  13        .word   0x81540000 | (N << 25)
  14
  15#define KERNBASE        0x400000
  16
  17#define PTREGS_OFF      (STACK_BIAS + STACKFRAME_SZ)
  18
  19#define __CHEETAH_ID    0x003e0014
  20#define __JALAPENO_ID   0x003e0016
  21#define __SERRANO_ID    0x003e0022
  22
  23#define CHEETAH_MANUF           0x003e
  24#define CHEETAH_IMPL            0x0014 /* Ultra-III   */
  25#define CHEETAH_PLUS_IMPL       0x0015 /* Ultra-III+  */
  26#define JALAPENO_IMPL           0x0016 /* Ultra-IIIi  */
  27#define JAGUAR_IMPL             0x0018 /* Ultra-IV    */
  28#define PANTHER_IMPL            0x0019 /* Ultra-IV+   */
  29#define SERRANO_IMPL            0x0022 /* Ultra-IIIi+ */
  30
  31#define BRANCH_IF_SUN4V(tmp1,label)             \
  32        sethi   %hi(is_sun4v), %tmp1;           \
  33        lduw    [%tmp1 + %lo(is_sun4v)], %tmp1; \
  34        brnz,pn %tmp1, label;                   \
  35         nop
  36
  37#define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \
  38        rdpr    %ver, %tmp1;                    \
  39        sethi   %hi(__CHEETAH_ID), %tmp2;       \
  40        srlx    %tmp1, 32, %tmp1;               \
  41        or      %tmp2, %lo(__CHEETAH_ID), %tmp2;\
  42        cmp     %tmp1, %tmp2;                   \
  43        be,pn   %icc, label;                    \
  44         nop;
  45
  46#define BRANCH_IF_JALAPENO(tmp1,tmp2,label)     \
  47        rdpr    %ver, %tmp1;                    \
  48        sethi   %hi(__JALAPENO_ID), %tmp2;      \
  49        srlx    %tmp1, 32, %tmp1;               \
  50        or      %tmp2, %lo(__JALAPENO_ID), %tmp2;\
  51        cmp     %tmp1, %tmp2;                   \
  52        be,pn   %icc, label;                    \
  53         nop;
  54
  55#define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label)     \
  56        rdpr    %ver, %tmp1;                    \
  57        srlx    %tmp1, (32 + 16), %tmp2;        \
  58        cmp     %tmp2, CHEETAH_MANUF;           \
  59        bne,pt  %xcc, 99f;                      \
  60         sllx   %tmp1, 16, %tmp1;               \
  61        srlx    %tmp1, (32 + 16), %tmp2;        \
  62        cmp     %tmp2, CHEETAH_PLUS_IMPL;       \
  63        bgeu,pt %xcc, label;                    \
  6499:      nop;
  65
  66#define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label)  \
  67        rdpr    %ver, %tmp1;                    \
  68        srlx    %tmp1, (32 + 16), %tmp2;        \
  69        cmp     %tmp2, CHEETAH_MANUF;           \
  70        bne,pt  %xcc, 99f;                      \
  71         sllx   %tmp1, 16, %tmp1;               \
  72        srlx    %tmp1, (32 + 16), %tmp2;        \
  73        cmp     %tmp2, CHEETAH_IMPL;            \
  74        bgeu,pt %xcc, label;                    \
  7599:      nop;
  76
  77#endif /* !(_SPARC64_HEAD_H) */
  78