add aarch64 port

This adds complete aarch64 target support including bigendian subarch.

Some of the long double math functions are known to be broken otherwise
interfaces should be fully functional, but at this point consider this
port experimental.

Initial work on this port was done by Sireesh Tripurari and Kevin Bortis.

1 files changed, 57 insertions, 0 deletions

diff --git a/arch/aarch64/bits/mman.h b/arch/aarch64/bits/mman.h
new file mode 100644
index 00000000..ce5519f2
--- /dev/null
+++ b/arch/aarch64/bits/mman.h
@@ -0,0 +1,57 @@
+#define MAP_FAILED ((void *) -1)
+
+#define	PROT_NONE      0
+#define	PROT_READ      1
+#define	PROT_WRITE     2
+#define	PROT_EXEC      4
+#define PROT_GROWSDOWN  0x01000000
+#define PROT_GROWSUP    0x02000000
+
+#define	MAP_SHARED     0x01
+#define	MAP_PRIVATE    0x02
+#define	MAP_FIXED      0x10
+#define MAP_TYPE       0x0f
+#define MAP_FILE       0x00
+#define MAP_ANON       0x20
+#define MAP_ANONYMOUS  MAP_ANON
+#define MAP_NORESERVE  0x4000
+#define MAP_GROWSDOWN  0x0100
+#define MAP_DENYWRITE  0x0800
+#define MAP_EXECUTABLE 0x1000
+#define MAP_LOCKED     0x2000
+#define MAP_POPULATE   0x8000
+#define MAP_NONBLOCK   0x10000
+#define MAP_STACK      0x20000
+#define MAP_HUGETLB    0x40000
+
+#define POSIX_MADV_NORMAL       0
+#define POSIX_MADV_RANDOM       1
+#define POSIX_MADV_SEQUENTIAL   2
+#define POSIX_MADV_WILLNEED     3
+#define POSIX_MADV_DONTNEED     0
+
+#define MS_ASYNC        1
+#define MS_INVALIDATE   2
+#define MS_SYNC         4
+
+#define MCL_CURRENT     1
+#define MCL_FUTURE      2
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define MADV_NORMAL      0
+#define MADV_RANDOM      1
+#define MADV_SEQUENTIAL  2
+#define MADV_WILLNEED    3
+#define MADV_DONTNEED    4
+#define MADV_REMOVE      9
+#define MADV_DONTFORK    10
+#define MADV_DOFORK      11
+#define MADV_MERGEABLE   12
+#define MADV_UNMERGEABLE 13
+#define MADV_HUGEPAGE    14
+#define MADV_NOHUGEPAGE  15
+#define MADV_DONTDUMP    16
+#define MADV_DODUMP      17
+#define MADV_HWPOISON    100
+#define MADV_SOFT_OFFLINE 101
+#endif