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head_64.h

#ifndef _SPARC64_HEAD_H
#define _SPARC64_HEAD_H

#include <asm/pstate.h>

      /* wrpr     %g0, val, %gl */
#define SET_GL(val)     \
      .word 0xa1902000 | val

      /* rdpr %gl, %gN */
#define GET_GL_GLOBAL(N)      \
      .word 0x81540000 | (N << 25)

#define KERNBASE  0x400000

#define     PTREGS_OFF  (STACK_BIAS + STACKFRAME_SZ)

#define __CHEETAH_ID    0x003e0014
#define __JALAPENO_ID   0x003e0016
#define __SERRANO_ID    0x003e0022

#define CHEETAH_MANUF         0x003e
#define CHEETAH_IMPL          0x0014 /* Ultra-III   */
#define CHEETAH_PLUS_IMPL     0x0015 /* Ultra-III+  */
#define JALAPENO_IMPL         0x0016 /* Ultra-IIIi  */
#define JAGUAR_IMPL           0x0018 /* Ultra-IV    */
#define PANTHER_IMPL          0x0019 /* Ultra-IV+   */
#define SERRANO_IMPL          0x0022 /* Ultra-IIIi+ */

#define BRANCH_IF_SUN4V(tmp1,label)       \
      sethi %hi(is_sun4v), %tmp1;         \
      lduw  [%tmp1 + %lo(is_sun4v)], %tmp1; \
      brnz,pn     %tmp1, label;                 \
       nop

#define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \
      rdpr  %ver, %tmp1;                  \
      sethi %hi(__CHEETAH_ID), %tmp2;     \
      srlx  %tmp1, 32, %tmp1;       \
      or    %tmp2, %lo(__CHEETAH_ID), %tmp2;\
      cmp   %tmp1, %tmp2;                 \
      be,pn %icc, label;                  \
       nop;

#define BRANCH_IF_JALAPENO(tmp1,tmp2,label)     \
      rdpr  %ver, %tmp1;                  \
      sethi %hi(__JALAPENO_ID), %tmp2;    \
      srlx  %tmp1, 32, %tmp1;       \
      or    %tmp2, %lo(__JALAPENO_ID), %tmp2;\
      cmp   %tmp1, %tmp2;                 \
      be,pn %icc, label;                  \
       nop;

#define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label) \
      rdpr  %ver, %tmp1;                  \
      srlx  %tmp1, (32 + 16), %tmp2;      \
      cmp   %tmp2, CHEETAH_MANUF;         \
      bne,pt      %xcc, 99f;              \
       sllx %tmp1, 16, %tmp1;       \
      srlx  %tmp1, (32 + 16), %tmp2;      \
      cmp   %tmp2, CHEETAH_PLUS_IMPL;     \
      bgeu,pt     %xcc, label;                  \
99:    nop;

#define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label)  \
      rdpr  %ver, %tmp1;                  \
      srlx  %tmp1, (32 + 16), %tmp2;      \
      cmp   %tmp2, CHEETAH_MANUF;         \
      bne,pt      %xcc, 99f;              \
       sllx %tmp1, 16, %tmp1;       \
      srlx  %tmp1, (32 + 16), %tmp2;      \
      cmp   %tmp2, CHEETAH_IMPL;          \
      bgeu,pt     %xcc, label;                  \
99:    nop;

#endif /* !(_SPARC64_HEAD_H) */

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