Make file headers conform to ZFS style standard

[mirror_spl.git] / include / sys / isa_defs.h

diff --git a/include/sys/isa_defs.h b/include/sys/isa_defs.h
index cc59a3aab44780e86b91b9605a7f4ff1c20efef1..6aa78e84c727550f20c14311d95be9416870cf6e 100644 (file)
--- a/include/sys/isa_defs.h
+++ b/include/sys/isa_defs.h
@@ -1,4 +1,4 @@
-/*****************************************************************************\
+/*
  *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
  *  Copyright (C) 2007 The Regents of the University of California.
  *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
@@ -20,7 +20,7 @@
  *
  *  You should have received a copy of the GNU General Public License along
  *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
-\*****************************************************************************/
+ */
 
 #ifndef        _SPL_ISA_DEFS_H
 #define        _SPL_ISA_DEFS_H
@@ -44,6 +44,9 @@
 #define _LP64
 #endif
 
+#define _ALIGNMENT_REQUIRED            1
+
+
 /* i386 arch specific defines */
 #elif defined(__i386) || defined(__i386__)
 
@@ -59,8 +62,10 @@
 #define _ILP32
 #endif
 
+#define _ALIGNMENT_REQUIRED            0
+
 /* powerpc (ppc64) arch specific defines */
-#elif defined(__powerpc) || defined(__powerpc__)
+#elif defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__)
 
 #if !defined(__powerpc)
 #define __powerpc
@@ -70,12 +75,24 @@
 #define __powerpc__
 #endif
 
+#if defined(__powerpc64__)
 #if !defined(_LP64)
 #define _LP64
 #endif
+#else
+#if !defined(_ILP32)
+#define _ILP32
+#endif
+#endif
+
+/*
+ * Illumos doesn't define _ALIGNMENT_REQUIRED for PPC, so default to 1
+ * out of paranoia.
+ */
+#define _ALIGNMENT_REQUIRED            1
 
 /* arm arch specific defines */
-#elif defined(__arm) || defined(__arm__)
+#elif defined(__arm) || defined(__arm__) || defined(__aarch64__)
 
 #if !defined(__arm)
 #define __arm
@@ -85,12 +102,28 @@
 #define __arm__
 #endif
 
-#if defined(__ARMEL__)
+#if defined(__aarch64__)
+#if !defined(_LP64)
+#define _LP64
+#endif
+#else
+#if !defined(_ILP32)
+#define _ILP32
+#endif
+#endif
+
+#if defined(__ARMEL__) || defined(__AARCH64EL__)
 #define _LITTLE_ENDIAN
 #else
 #define _BIG_ENDIAN
 #endif
 
+/*
+ * Illumos doesn't define _ALIGNMENT_REQUIRED for ARM, so default to 1
+ * out of paranoia.
+ */
+#define _ALIGNMENT_REQUIRED            1
+
 /* sparc arch specific defines */
 #elif defined(__sparc) || defined(__sparc__)
 
@@ -102,24 +135,68 @@
 #define __sparc__
 #endif
 
+#if defined(__arch64__)
+#if !defined(_LP64)
+#define _LP64
+#endif
+#else
+#if !defined(_ILP32)
+#define _ILP32
+#endif
+#endif
+
 #define _BIG_ENDIAN
 #define _SUNOS_VTOC_16
+#define _ALIGNMENT_REQUIRED            1
+
+/* 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        _BIG_ENDIAN
 
-/* sparc64 arch specific defines */
-#elif defined(__sparc64) || defined(__sparc64__)
+/*
+ * Illumos doesn't define _ALIGNMENT_REQUIRED for s390, so default to 1
+ * out of paranoia.
+ */
+#define _ALIGNMENT_REQUIRED            1
 
-#if !defined(__sparc64)
-#define __sparc64
+/* MIPS arch specific defines */
+#elif defined(__mips__)
+
+#if defined(__MIPSEB__)
+#define        _BIG_ENDIAN
+#elif defined(__MIPSEL__)
+#define        _LITTLE_ENDIAN
+#else
+#error MIPS no endian specified
 #endif
 
-#if !defined(__sparc64__)
-#define __sparc64__
+#ifndef _LP64
+#define        _ILP32
 #endif
 
-#define _BIG_ENDIAN
-#define _SUNOS_VTOC_16
+#define        _SUNOS_VTOC_16
+
+/*
+ * Illumos doesn't define _ALIGNMENT_REQUIRED for MIPS, so default to 1
+ * out of paranoia.
+ */
+#define _ALIGNMENT_REQUIRED            1
 
-#else /* Currently x86_64, i386, arm, powerpc, and sparc are supported */
+#else
+/*
+ * Currently supported:
+ * x86_64, i386, arm, powerpc, s390, sparc, and mips
+ */
 #error "Unsupported ISA type"
 #endif
 
@@ -127,6 +204,10 @@
 #error "Both _ILP32 and _LP64 are defined"
 #endif
 
+#if !defined(_ILP32) && !defined(_LP64)
+#error "Neither _ILP32 or _LP64 are defined"
+#endif
+
 #include <sys/byteorder.h>
 
 #if defined(__LITTLE_ENDIAN) && !defined(_LITTLE_ENDIAN)