| /* $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) */ |