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- #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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