projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* $Id: head.h,v 1.30 1997/08/08 08:34:33 jj Exp $ */ |
| 2 | #ifndef _SPARC64_HEAD_H | |
| 3 | #define _SPARC64_HEAD_H | |
| 4 | ||
| 5 | #include <asm/pstate.h> | |
| 6 | ||
| 936f482a DM |
7 | /* wrpr %g0, val, %gl */ |
| 8 | #define SET_GL(val) \ | |
| 9 | .word 0xa1902000 | val | |
| 10 | ||
| 4ff7ac41 DM |
11 | /* rdpr %gl, %gN */ |
| 12 | #define GET_GL_GLOBAL(N) \ | |
| 13 | .word 0x81540000 | (N << 25) | |
| 14 | ||
| 1da177e4 LT |
15 | #define KERNBASE 0x400000 |
| 16 | ||
| 17 | #define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ) | |
| 18 | ||
| 19 | #define __CHEETAH_ID 0x003e0014 | |
| 20 | #define __JALAPENO_ID 0x003e0016 | |
| 92704a1c | 21 | #define __SERRANO_ID 0x003e0022 |
| 1da177e4 LT |
22 | |
| 23 | #define CHEETAH_MANUF 0x003e | |
| d2212bc7 DM |
24 | #define CHEETAH_IMPL 0x0014 /* Ultra-III */ |
| 25 | #define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */ | |
| 26 | #define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */ | |
| 27 | #define JAGUAR_IMPL 0x0018 /* Ultra-IV */ | |
| 28 | #define PANTHER_IMPL 0x0019 /* Ultra-IV+ */ | |
| 29 | #define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */ | |
| 1da177e4 | 30 | |
| d82ace7d DM |
31 | #define BRANCH_IF_SUN4V(tmp1,label) \ |
| 32 | sethi %hi(is_sun4v), %tmp1; \ | |
| 33 | lduw [%tmp1 + %lo(is_sun4v)], %tmp1; \ | |
| 34 | brnz,pn %tmp1, label; \ | |
| 35 | nop | |
| 36 | ||
| 1da177e4 LT |
37 | #define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \ |
| 38 | rdpr %ver, %tmp1; \ | |
| 39 | sethi %hi(__CHEETAH_ID), %tmp2; \ | |
| 40 | srlx %tmp1, 32, %tmp1; \ | |
| 41 | or %tmp2, %lo(__CHEETAH_ID), %tmp2;\ | |
| 42 | cmp %tmp1, %tmp2; \ | |
| 43 | be,pn %icc, label; \ | |
| 44 | nop; | |
| 45 | ||
| 46 | #define BRANCH_IF_JALAPENO(tmp1,tmp2,label) \ | |
| 47 | rdpr %ver, %tmp1; \ | |
| 48 | sethi %hi(__JALAPENO_ID), %tmp2; \ | |
| 49 | srlx %tmp1, 32, %tmp1; \ | |
| 50 | or %tmp2, %lo(__JALAPENO_ID), %tmp2;\ | |
| 51 | cmp %tmp1, %tmp2; \ | |
| 52 | be,pn %icc, label; \ | |
| 53 | nop; | |
| 54 | ||
| 55 | #define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label) \ | |
| 56 | rdpr %ver, %tmp1; \ | |
| 57 | srlx %tmp1, (32 + 16), %tmp2; \ | |
| 58 | cmp %tmp2, CHEETAH_MANUF; \ | |
| 59 | bne,pt %xcc, 99f; \ | |
| 60 | sllx %tmp1, 16, %tmp1; \ | |
| 61 | srlx %tmp1, (32 + 16), %tmp2; \ | |
| 62 | cmp %tmp2, CHEETAH_PLUS_IMPL; \ | |
| 63 | bgeu,pt %xcc, label; \ | |
| 64 | 99: nop; | |
| 65 | ||
| 66 | #define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label) \ | |
| 67 | rdpr %ver, %tmp1; \ | |
| 68 | srlx %tmp1, (32 + 16), %tmp2; \ | |
| 69 | cmp %tmp2, CHEETAH_MANUF; \ | |
| 70 | bne,pt %xcc, 99f; \ | |
| 71 | sllx %tmp1, 16, %tmp1; \ | |
| 72 | srlx %tmp1, (32 + 16), %tmp2; \ | |
| 73 | cmp %tmp2, CHEETAH_IMPL; \ | |
| 74 | bgeu,pt %xcc, label; \ | |
| 75 | 99: nop; | |
| 76 | ||
| 77 | #endif /* !(_SPARC64_HEAD_H) */ |