diff options
Diffstat (limited to 'include/asm-sparc64/head.h')
| -rw-r--r-- | include/asm-sparc64/head.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/asm-sparc64/head.h b/include/asm-sparc64/head.h new file mode 100644 index 00000000000..b63a33cf497 --- /dev/null +++ b/include/asm-sparc64/head.h @@ -0,0 +1,59 @@ +/* $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) */ |