1 #ifndef _SPARC64_HEAD_H 2 #define _SPARC64_HEAD_H 3 4 #include <asm/pstate.h> 5 6 /* wrpr %g0, val, %gl */ 7 #define SET_GL(val) \ 8 .word 0xa1902000 | val 9 10 /* rdpr %gl, %gN */ 11 #define GET_GL_GLOBAL(N) \ 12 .word 0x81540000 | (N << 25) 13 14 #define KERNBASE 0x400000 15 16 #define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ) 17 18 #define RTRAP_PSTATE (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_IE) 19 #define RTRAP_PSTATE_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV) 20 #define RTRAP_PSTATE_AG_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_AG) 21 22 #define __CHEETAH_ID 0x003e0014 23 #define __JALAPENO_ID 0x003e0016 24 #define __SERRANO_ID 0x003e0022 25 26 #define CHEETAH_MANUF 0x003e 27 #define CHEETAH_IMPL 0x0014 /* Ultra-III */ 28 #define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */ 29 #define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */ 30 #define JAGUAR_IMPL 0x0018 /* Ultra-IV */ 31 #define PANTHER_IMPL 0x0019 /* Ultra-IV+ */ 32 #define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */ 33 34 #define BRANCH_IF_SUN4V(tmp1,label) \ 35 sethi %hi(is_sun4v), %tmp1; \ 36 lduw [%tmp1 + %lo(is_sun4v)], %tmp1; \ 37 brnz,pn %tmp1, label; \ 38 nop 39 40 #define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \ 41 rdpr %ver, %tmp1; \ 42 sethi %hi(__CHEETAH_ID), %tmp2; \ 43 srlx %tmp1, 32, %tmp1; \ 44 or %tmp2, %lo(__CHEETAH_ID), %tmp2;\ 45 cmp %tmp1, %tmp2; \ 46 be,pn %icc, label; \ 47 nop; 48 49 #define BRANCH_IF_JALAPENO(tmp1,tmp2,label) \ 50 rdpr %ver, %tmp1; \ 51 sethi %hi(__JALAPENO_ID), %tmp2; \ 52 srlx %tmp1, 32, %tmp1; \ 53 or %tmp2, %lo(__JALAPENO_ID), %tmp2;\ 54 cmp %tmp1, %tmp2; \ 55 be,pn %icc, label; \ 56 nop; 57 58 #define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label) \ 59 rdpr %ver, %tmp1; \ 60 srlx %tmp1, (32 + 16), %tmp2; \ 61 cmp %tmp2, CHEETAH_MANUF; \ 62 bne,pt %xcc, 99f; \ 63 sllx %tmp1, 16, %tmp1; \ 64 srlx %tmp1, (32 + 16), %tmp2; \ 65 cmp %tmp2, CHEETAH_PLUS_IMPL; \ 66 bgeu,pt %xcc, label; \ 67 99: nop; 68 69 #define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label) \ 70 rdpr %ver, %tmp1; \ 71 srlx %tmp1, (32 + 16), %tmp2; \ 72 cmp %tmp2, CHEETAH_MANUF; \ 73 bne,pt %xcc, 99f; \ 74 sllx %tmp1, 16, %tmp1; \ 75 srlx %tmp1, (32 + 16), %tmp2; \ 76 cmp %tmp2, CHEETAH_IMPL; \ 77 bgeu,pt %xcc, label; \ 78 99: nop; 79 80 #endif /* !(_SPARC64_HEAD_H) */ 81