/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 1996-1998 by Sun Microsystems, Inc. * All rights reserved. */ #ifndef _SYS_PROCFS_ISA_H #define _SYS_PROCFS_ISA_H #pragma ident "%Z%%M% %I% %E% SMI" /* * Instruction Set Architecture specific component of * sparc v8/v9 version */ #include #ifdef __cplusplus extern "C" { #endif /* * Possible values of pr_dmodel. * This isn't isa-specific, but it needs to be defined here for other reasons. */ #define PR_MODEL_UNKNOWN 0 #define PR_MODEL_ILP32 1 /* process data model is ILP32 */ #define PR_MODEL_LP64 2 /* process data model is LP64 */ /* * To determine whether application is running native. */ #if defined(_LP64) #define PR_MODEL_NATIVE PR_MODEL_LP64 #elif defined(_ILP32) #define PR_MODEL_NATIVE PR_MODEL_ILP32 #else #error "No DATAMODEL_NATIVE specified" #endif /* _LP64 || _ILP32 */ /* * Holds one sparc instruction, for both ILP32 and LP64. */ typedef uint32_t instr_t; /* * General register access (sparc). * Don't confuse definitions here with definitions in . * Registers are 32 bits for ILP32, 64 bits for LP64. */ #define NPRGREG 38 #if defined(_LP64) || defined(_I32LPx) typedef long prgreg_t; #else typedef int prgreg_t; #endif typedef prgreg_t prgregset_t[NPRGREG]; #define R_G0 0 #define R_G1 1 #define R_G2 2 #define R_G3 3 #define R_G4 4 #define R_G5 5 #define R_G6 6 #define R_G7 7 #define R_O0 8 #define R_O1 9 #define R_O2 10 #define R_O3 11 #define R_O4 12 #define R_O5 13 #define R_O6 14 #define R_O7 15 #define R_L0 16 #define R_L1 17 #define R_L2 18 #define R_L3 19 #define R_L4 20 #define R_L5 21 #define R_L6 22 #define R_L7 23 #define R_I0 24 #define R_I1 25 #define R_I2 26 #define R_I3 27 #define R_I4 28 #define R_I5 29 #define R_I6 30 #define R_I7 31 #ifdef __sparcv9 #define R_CCR 32 /* v9 condition code register */ #else #define R_PSR 32 /* v7/v8 processor status register */ #endif #define R_PC 33 #define R_nPC 34 #define R_Y 35 #ifdef __sparcv9 #define R_ASI 36 #define R_FPRS 37 #else #define R_WIM 36 #define R_TBR 37 #endif /* * The following defines are for portability. */ #ifdef __sparcv9 #define R_PS R_CCR #else #define R_PS R_PSR #endif #define R_SP R_O6 #define R_FP R_I6 #define R_R0 R_O0 #define R_R1 R_O1 #if defined(_SYSCALL32) /* * kernel view of the _ILP32 register set */ typedef int32_t prgreg32_t; typedef prgreg32_t prgregset32_t[NPRGREG]; #define R_PSR 32 #define R_WIM 36 #define R_TBR 37 #endif /* * Floating-point register access (sparc FPU). * See for details of interpretation. */ #ifdef __sparcv9 typedef struct prfpregset { union { /* FPU floating point regs */ uint32_t pr_regs[32]; /* 32 singles */ double pr_dregs[32]; /* 32 doubles */ long double pr_qregs[16]; /* 16 quads */ } pr_fr; uint64_t pr_filler; uint64_t pr_fsr; /* FPU status register */ uint8_t pr_qcnt; /* # of entries in saved FQ */ uint8_t pr_q_entrysize; /* # of bytes per FQ entry */ uint8_t pr_en; /* flag signifying fpu in use */ char pr_pad[13]; /* ensure sizeof(prfpregset)%16 == 0 */ struct fq pr_q[16]; /* contains the FQ array */ } prfpregset_t; #else typedef struct prfpregset { union { /* FPU floating point regs */ uint32_t pr_regs[32]; /* 32 singles */ double pr_dregs[16]; /* 16 doubles */ } pr_fr; uint32_t pr_filler; uint32_t pr_fsr; /* FPU status register */ uint8_t pr_qcnt; /* # of entries in saved FQ */ uint8_t pr_q_entrysize; /* # of bytes per FQ entry */ uint8_t pr_en; /* flag signifying fpu in use */ struct fq pr_q[32]; /* contains the FQ array */ } prfpregset_t; #endif /* __sparcv9 */ #if defined(_SYSCALL32) /* * kernel view of the _ILP32 floating point register set */ typedef struct prfpregset32 { union { /* FPU floating point regs */ uint32_t pr_regs[32]; /* 32 singles */ double pr_dregs[16]; /* 16 doubles */ } pr_fr; uint32_t pr_filler; uint32_t pr_fsr; /* FPU status register */ uint8_t pr_qcnt; /* # of entries in saved FQ */ uint8_t pr_q_entrysize; /* # of bytes per FQ entry */ uint8_t pr_en; /* flag signifying fpu in use */ struct fq32 pr_q[32]; /* contains the FQ array */ } prfpregset32_t; #endif /* _SYSCALL32 */ /* * Extra register access */ #define XR_G0 0 #define XR_G1 1 #define XR_G2 2 #define XR_G3 3 #define XR_G4 4 #define XR_G5 5 #define XR_G6 6 #define XR_G7 7 #define NPRXGREG 8 #define XR_O0 0 #define XR_O1 1 #define XR_O2 2 #define XR_O3 3 #define XR_O4 4 #define XR_O5 5 #define XR_O6 6 #define XR_O7 7 #define NPRXOREG 8 #define NPRXFILLER 8 #define XR_TYPE_V8P 1 /* interpret union as pr_v8p */ typedef struct prxregset { uint32_t pr_type; /* how to interpret union */ uint32_t pr_align; /* alignment for the union */ union { struct pr_v8p { union { /* extra FP registers */ uint32_t pr_regs[32]; double pr_dregs[16]; #ifndef __sparcv9 /* 32-bit alignment problem */ long double pr_qregs[8]; #endif } pr_xfr; uint32_t pr_xfsr; /* upper 32bits, FP state reg */ uint32_t pr_fprs; /* FP registers state */ uint32_t pr_xg[NPRXGREG]; /* upper 32bits, G registers */ uint32_t pr_xo[NPRXOREG]; /* upper 32bits, O registers */ uint64_t pr_tstate; /* TSTATE register */ uint32_t pr_filler[NPRXFILLER]; } pr_v8p; } pr_un; } prxregset_t; /* * Given a pointer to a prxregset structure, this macro yields the value * of the %gsr embedded in the structure. It is an lvalue, so it can * be used to assign the value of the %gsr into the structure. * (Please don't ask why this is done this way.) */ #define PRXREG_GSR(xrp) (*(uint64_t *)((xrp)->pr_un.pr_v8p.pr_filler)) #ifdef __cplusplus } #endif #endif /* _SYS_PROCFS_ISA_H */