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Diffstat (limited to 'lib/libspl/include/sys/isa_defs.h')
| -rw-r--r-- | lib/libspl/include/sys/isa_defs.h | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/lib/libspl/include/sys/isa_defs.h b/lib/libspl/include/sys/isa_defs.h new file mode 100644 index 000000000000..8c0932f57654 --- /dev/null +++ b/lib/libspl/include/sys/isa_defs.h @@ -0,0 +1,264 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (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 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_ISA_DEFS_H +#define _SYS_ISA_DEFS_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* x86_64 arch specific defines */ +#if defined(__x86_64) || defined(__x86_64__) + +#if !defined(__x86_64) +#define __x86_64 +#endif + +#if !defined(__amd64) +#define __amd64 +#endif + +#if !defined(__x86) +#define __x86 +#endif + +#if defined(_ILP32) +/* x32-specific defines; careful to *not* define _LP64 here */ +#else +#if !defined(_LP64) +#define _LP64 +#endif +#endif + +#if !defined(_ZFS_LITTLE_ENDIAN) +#define _ZFS_LITTLE_ENDIAN +#endif + +#define _SUNOS_VTOC_16 +#define HAVE_EFFICIENT_UNALIGNED_ACCESS + +/* i386 arch specific defines */ +#elif defined(__i386) || defined(__i386__) + +#if !defined(__i386) +#define __i386 +#endif + +#if !defined(__x86) +#define __x86 +#endif + +#if !defined(_ILP32) +#define _ILP32 +#endif + +#if !defined(_ZFS_LITTLE_ENDIAN) +#define _ZFS_LITTLE_ENDIAN +#endif + +#define _SUNOS_VTOC_16 +#define HAVE_EFFICIENT_UNALIGNED_ACCESS + +/* powerpc arch specific defines */ +#elif defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__) + +#if !defined(__powerpc) +#define __powerpc +#endif + +#if !defined(__powerpc__) +#define __powerpc__ +#endif + +#if defined(__powerpc64__) +#if !defined(_LP64) +#define _LP64 +#endif +#else +#if !defined(_ILP32) +#define _ILP32 +#endif +#endif + +#define _SUNOS_VTOC_16 +#define HAVE_EFFICIENT_UNALIGNED_ACCESS + +#if defined(__BYTE_ORDER) +#if defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN +#define _ZFS_BIG_ENDIAN +#elif defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN +#define _ZFS_LITTLE_ENDIAN +#endif +#elif defined(_BYTE_ORDER) +#if defined(_BIG_ENDIAN) && _BYTE_ORDER == _BIG_ENDIAN +#define _ZFS_BIG_ENDIAN +#elif defined(_LITTLE_ENDIAN) && _BYTE_ORDER == _LITTLE_ENDIAN +#define _ZFS_LITTLE_ENDIAN +#endif +#elif defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN) +#define _ZFS_BIG_ENDIAN +#elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN) +#define _ZFS_LITTLE_ENDIAN +#endif + +/* arm arch specific defines */ +#elif defined(__arm) || defined(__arm__) || defined(__aarch64__) + +#if !defined(__arm) +#define __arm +#endif + +#if !defined(__arm__) +#define __arm__ +#endif + +#if defined(__aarch64__) +#if !defined(_LP64) +#define _LP64 +#endif +#else +#if !defined(_ILP32) +#define _ILP32 +#endif +#endif + +#if defined(__ARMEL__) || defined(__AARCH64EL__) +#define _ZFS_LITTLE_ENDIAN +#else +#define _ZFS_BIG_ENDIAN +#endif + +#define _SUNOS_VTOC_16 + +#if defined(__ARM_FEATURE_UNALIGNED) +#define HAVE_EFFICIENT_UNALIGNED_ACCESS +#endif + +/* sparc arch specific defines */ +#elif defined(__sparc) || defined(__sparc__) + +#if !defined(__sparc) +#define __sparc +#endif + +#if !defined(__sparc__) +#define __sparc__ +#endif + +#define _ZFS_BIG_ENDIAN +#define _SUNOS_VTOC_16 + +#if defined(__arch64__) +#if !defined(_LP64) +#define _LP64 +#endif +#else +#if !defined(_ILP32) +#define _ILP32 +#endif +#endif + +/* s390 arch specific defines */ +#elif defined(__s390__) +#if defined(__s390x__) +#if !defined(_LP64) +#define _LP64 +#endif +#else +#if !defined(_ILP32) +#define _ILP32 +#endif +#endif + +#define _ZFS_BIG_ENDIAN +#define _SUNOS_VTOC_16 + +/* MIPS arch specific defines */ +#elif defined(__mips__) + +#if defined(__MIPSEB__) +#define _ZFS_BIG_ENDIAN +#elif defined(__MIPSEL__) +#define _ZFS_LITTLE_ENDIAN +#else +#error MIPS no endian specified +#endif + +#if !defined(_LP64) && !defined(_ILP32) +#define _ILP32 +#endif + +#define _SUNOS_VTOC_16 + +/* + * RISC-V arch specific defines + * only RV64G (including atomic) LP64 is supported yet + */ +#elif defined(__riscv) && defined(_LP64) && _LP64 && \ + defined(__riscv_atomic) && __riscv_atomic + +#ifndef __riscv__ +#define __riscv__ +#endif + +#ifndef __rv64g__ +#define __rv64g__ +#endif + +#define _ZFS_LITTLE_ENDIAN + +#define _SUNOS_VTOC_16 + +#else +/* + * Currently supported: + * x86_64, x32, i386, arm, powerpc, s390, sparc, mips, and RV64G + */ +#error "Unsupported ISA type" +#endif + +#if defined(_ILP32) && defined(_LP64) +#error "Both _ILP32 and _LP64 are defined" +#endif + +#if !defined(_ILP32) && !defined(_LP64) +#error "Neither _ILP32 or _LP64 are defined" +#endif + +#if defined(_ZFS_LITTLE_ENDIAN) && defined(_ZFS_BIG_ENDIAN) +#error "Both _ZFS_LITTLE_ENDIAN and _ZFS_BIG_ENDIAN are defined" +#endif + +#if !defined(_ZFS_LITTLE_ENDIAN) && !defined(_ZFS_BIG_ENDIAN) +#error "Neither _ZFS_LITTLE_ENDIAN nor _ZFS_BIG_ENDIAN are defined" +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ISA_DEFS_H */ |