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/* $Id: head.h,v 1.30 1997/08/08 08:34:33 jj Exp $ */
#ifndef _SPARC64_HEAD_H
#define _SPARC64_HEAD_H
#include <asm/pstate.h>
#define KERNBASE 0x400000
#define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ)
#define __CHEETAH_ID 0x003e0014
#define __JALAPENO_ID 0x003e0016
#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_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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