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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
- #define CHEETAH_PLUS_IMPL 0x0015
- #define JALAPENO_IMPL 0x0016
- #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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