Add support for s390[x].

Signed-off-by: Dimitri John Ledkov <xnox@ubuntu.com>
Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #537

diff --git a/include/sys/isa_defs.h b/include/sys/isa_defs.h
index 7e15b93211444e99a4fcee54592cbb17394716ef..3d474872cb0b846353972d520ab6f70919c05efb 100644 (file)
--- a/include/sys/isa_defs.h
+++ b/include/sys/isa_defs.h
@@ -131,7 +131,21 @@
 #define _BIG_ENDIAN
 #define _SUNOS_VTOC_16
 
-#else /* Currently x86_64, i386, arm, powerpc, and sparc are supported */
+/* 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
+
+#else /* Currently x86_64, i386, arm, powerpc, s390, and sparc are supported */
 #error "Unsupported ISA type"
 #endif