| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _SPARC64_HEAD_H | |
| #define _SPARC64_HEAD_H | |
| #include <asm/pstate.h> | |
| /* wrpr %g0, val, %gl */ | |
| #define SET_GL(val) \ | |
| .word 0xa1902000 | val | |
| /* rdpr %gl, %gN */ | |
| #define GET_GL_GLOBAL(N) \ | |
| .word 0x81540000 | (N << 25) | |
| #define KERNBASE 0x400000 | |
| #define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ) | |
| #define RTRAP_PSTATE (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_IE) | |
| #define RTRAP_PSTATE_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV) | |
| #define RTRAP_PSTATE_AG_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_AG) | |
| #define __CHEETAH_ID 0x003e0014 | |
| #define __JALAPENO_ID 0x003e0016 | |
| #define __SERRANO_ID 0x003e0022 | |
| #define CHEETAH_MANUF 0x003e | |
| #define CHEETAH_IMPL 0x0014 /* Ultra-III */ | |
| #define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */ | |
| #define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */ | |
| #define JAGUAR_IMPL 0x0018 /* Ultra-IV */ | |
| #define PANTHER_IMPL 0x0019 /* Ultra-IV+ */ | |
| #define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */ | |
| #define BRANCH_IF_SUN4V(tmp1,label) \ | |
| sethi %hi(is_sun4v), %tmp1; \ | |
| lduw [%tmp1 + %lo(is_sun4v)], %tmp1; \ | |
| brnz,pn %tmp1, label; \ | |
| nop | |
| #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) */ |