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81 lines
2.1 KiB
81 lines
2.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _SPARC64_HEAD_H |
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#define _SPARC64_HEAD_H |
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#include <asm/pstate.h> |
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/* wrpr %g0, val, %gl */ |
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#define SET_GL(val) \ |
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.word 0xa1902000 | val |
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/* rdpr %gl, %gN */ |
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#define GET_GL_GLOBAL(N) \ |
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.word 0x81540000 | (N << 25) |
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#define KERNBASE 0x400000 |
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#define PTREGS_OFF (STACK_BIAS + STACKFRAME_SZ) |
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#define RTRAP_PSTATE (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_IE) |
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#define RTRAP_PSTATE_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV) |
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#define RTRAP_PSTATE_AG_IRQOFF (PSTATE_TSO|PSTATE_PEF|PSTATE_PRIV|PSTATE_AG) |
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#define __CHEETAH_ID 0x003e0014 |
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#define __JALAPENO_ID 0x003e0016 |
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#define __SERRANO_ID 0x003e0022 |
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#define CHEETAH_MANUF 0x003e |
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#define CHEETAH_IMPL 0x0014 /* Ultra-III */ |
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#define CHEETAH_PLUS_IMPL 0x0015 /* Ultra-III+ */ |
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#define JALAPENO_IMPL 0x0016 /* Ultra-IIIi */ |
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#define JAGUAR_IMPL 0x0018 /* Ultra-IV */ |
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#define PANTHER_IMPL 0x0019 /* Ultra-IV+ */ |
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#define SERRANO_IMPL 0x0022 /* Ultra-IIIi+ */ |
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#define BRANCH_IF_SUN4V(tmp1,label) \ |
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sethi %hi(is_sun4v), %tmp1; \ |
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lduw [%tmp1 + %lo(is_sun4v)], %tmp1; \ |
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brnz,pn %tmp1, label; \ |
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nop |
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#define BRANCH_IF_CHEETAH_BASE(tmp1,tmp2,label) \ |
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rdpr %ver, %tmp1; \ |
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sethi %hi(__CHEETAH_ID), %tmp2; \ |
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srlx %tmp1, 32, %tmp1; \ |
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or %tmp2, %lo(__CHEETAH_ID), %tmp2;\ |
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cmp %tmp1, %tmp2; \ |
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be,pn %icc, label; \ |
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nop; |
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#define BRANCH_IF_JALAPENO(tmp1,tmp2,label) \ |
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rdpr %ver, %tmp1; \ |
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sethi %hi(__JALAPENO_ID), %tmp2; \ |
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srlx %tmp1, 32, %tmp1; \ |
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or %tmp2, %lo(__JALAPENO_ID), %tmp2;\ |
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cmp %tmp1, %tmp2; \ |
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be,pn %icc, label; \ |
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nop; |
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#define BRANCH_IF_CHEETAH_PLUS_OR_FOLLOWON(tmp1,tmp2,label) \ |
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rdpr %ver, %tmp1; \ |
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srlx %tmp1, (32 + 16), %tmp2; \ |
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cmp %tmp2, CHEETAH_MANUF; \ |
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bne,pt %xcc, 99f; \ |
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sllx %tmp1, 16, %tmp1; \ |
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srlx %tmp1, (32 + 16), %tmp2; \ |
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cmp %tmp2, CHEETAH_PLUS_IMPL; \ |
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bgeu,pt %xcc, label; \ |
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99: nop; |
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#define BRANCH_IF_ANY_CHEETAH(tmp1,tmp2,label) \ |
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rdpr %ver, %tmp1; \ |
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srlx %tmp1, (32 + 16), %tmp2; \ |
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cmp %tmp2, CHEETAH_MANUF; \ |
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bne,pt %xcc, 99f; \ |
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sllx %tmp1, 16, %tmp1; \ |
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srlx %tmp1, (32 + 16), %tmp2; \ |
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cmp %tmp2, CHEETAH_IMPL; \ |
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bgeu,pt %xcc, label; \ |
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99: nop; |
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#endif /* !(_SPARC64_HEAD_H) */
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