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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
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# 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+ */
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# 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) */