1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _SPARC64_HEAD_H 3 #define _SPARC64_HEAD_H 4 5 #include <asm/pstate.h> 6 7 /* wrpr %g0, val, %gl */ 8 #define SET_GL(val) \ 9 .word 0xa1902000 | val 10 11 /* rdpr %gl, %gN */ 12 #define GET_GL_GLOBAL(N) \ 13 .word 0x81540000 | (N << 25) 14 15 #define KERNBASE 0x400000 16 17 #define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ) 18 19 #define RTRAP_PSTATE (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_IE) 20 #define RTRAP_PSTATE_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV) 21 #define RTRAP_PSTATE_AG_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_AG) 22 23 #define __CHEETAH_ID 0x003e0014 24 #define __JALAPENO_ID 0x003e0016 25 #define __SERRANO_ID 0x003e0022 26 27 #define CHEETAH_MANUF 0x003e 28 #define CHEETAH_IMPL 0x0014 /* Ultra-III */ 29 #define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */ 30 #define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */ 31 #define JAGUAR_IMPL 0x0018 /* Ultra-IV */ 32 #define PANTHER_IMPL 0x0019 /* Ultra-IV+ */ 33 #define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */ 34 35 #define BRANCH_IF_SUN4V(tmp1,label) \ 36 sethi %hi(is_sun4v), %tmp1; \ 37 lduw [%tmp1 + %lo(is_sun4v)], %tmp1; \ 38 brnz,pn %tmp1, label; \ 39 nop 40 41 #define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \ 42 rdpr %ver, %tmp1; \ 43 sethi %hi(__CHEETAH_ID), %tmp2; \ 44 srlx %tmp1, 32, %tmp1; \ 45 or %tmp2, %lo(__CHEETAH_ID), %tmp2;\ 46 cmp %tmp1, %tmp2; \ 47 be,pn %icc, label; \ 48 nop; 49 50 #define BRANCH_IF_JALAPENO(tmp1,tmp2,label) \ 51 rdpr %ver, %tmp1; \ 52 sethi %hi(__JALAPENO_ID), %tmp2; \ 53 srlx %tmp1, 32, %tmp1; \ 54 or %tmp2, %lo(__JALAPENO_ID), %tmp2;\ 55 cmp %tmp1, %tmp2; \ 56 be,pn %icc, label; \ 57 nop; 58 59 #define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label) \ 60 rdpr %ver, %tmp1; \ 61 srlx %tmp1, (32 + 16), %tmp2; \ 62 cmp %tmp2, CHEETAH_MANUF; \ 63 bne,pt %xcc, 99f; \ 64 sllx %tmp1, 16, %tmp1; \ 65 srlx %tmp1, (32 + 16), %tmp2; \ 66 cmp %tmp2, CHEETAH_PLUS_IMPL; \ 67 bgeu,pt %xcc, label; \ 68 99: nop; 69 70 #define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label) \ 71 rdpr %ver, %tmp1; \ 72 srlx %tmp1, (32 + 16), %tmp2; \ 73 cmp %tmp2, CHEETAH_MANUF; \ 74 bne,pt %xcc, 99f; \ 75 sllx %tmp1, 16, %tmp1; \ 76 srlx %tmp1, (32 + 16), %tmp2; \ 77 cmp %tmp2, CHEETAH_IMPL; \ 78 bgeu,pt %xcc, label; \ 79 99: nop; 80 81 #endif /* !(_SPARC64_HEAD_H) */ 82
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