[PATCH v5 13/13] Documentation for OpenRISC port

[Stafford Horne]

OpenRISC architecture specification:

 https://raw.githubusercontent.com/openrisc/doc/master/openrisc-arch-1.3-rev1.pdf

Currently the port as of the 2022-01-03 rebasing there are no known
architecture specific test failures.

Writing credits for the port are:

 Stafford Horne  <shorne@gmail.com>
 Christian Svensson  <blue@cmd.nu>
---
 NEWS   | 9 +++++++++
 README | 1 +
 2 files changed, 10 insertions(+)

diff --git a/NEWS b/NEWS
index 9da2a740ec..1b7a64d654 100644
--- a/NEWS
+++ b/NEWS
@@ -106,6 +106,15 @@ Major new features:
   can use it to efficiently locate unwinding information for a code
   address.
 
+* Support for OpenRISC running on Linux has been added.  This port requires
+  as least binutils 2.35, GCC 11, and Linux 5.4.  Currently only soft-float
+  ABI is supported:
+
+    - or1k-linux-gnu
+
+  The OpenRISC ABI is 32-bit big-endian and uses 64-bit time (y2038 safe) and
+  64-bit file offsets (LFS default).
+
 Deprecated and removed features, and other changes affecting compatibility:
 
 * On x86-64, the LD_PREFER_MAP_32BIT_EXEC environment variable support
diff --git a/README b/README
index d0f0edb393..3d5a78ccff 100644
--- a/README
+++ b/README
@@ -35,6 +35,7 @@ The GNU C Library supports these configurations for using Linux kernels:
 	microblaze*-*-linux-gnu
 	mips-*-linux-gnu
 	mips64-*-linux-gnu
+	or1k-*-linux-gnu
 	powerpc-*-linux-gnu	Hardware or software floating point, BE only.
 	powerpc64*-*-linux-gnu	Big-endian and little-endian.
 	s390-*-linux-gnu
-- 
2.31.1