From 9595fb8cd595028bece5174e7eddf660ae3dcc10 Mon Sep 17 00:00:00 2001
From: Waldemar Brodkorb <wbrodkorb@conet.de>
Date: Thu, 31 May 2018 01:04:17 +0200
Subject: risc-v: initial 64 bit port, static only (no TLS/NPTL)

Only a simple hello world is tested in qemu system emulation.
---
 extra/Configs/Config.in      |  8 ++++++++
 extra/Configs/Config.riscv64 | 15 +++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 extra/Configs/Config.riscv64

(limited to 'extra')

diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in
index 74439038f..9869bcf5c 100644
--- a/extra/Configs/Config.in
+++ b/extra/Configs/Config.in
@@ -37,6 +37,7 @@ choice
 	default TARGET_nios2 if DESIRED_TARGET_ARCH = "nios2"
 	default TARGET_or1k if DESIRED_TARGET_ARCH = "or1k"
 	default TARGET_powerpc if DESIRED_TARGET_ARCH = "powerpc"
+	default TARGET_riscv64 if DESIRED_TARGET_ARCH = "riscv64"
 	default TARGET_sh if DESIRED_TARGET_ARCH = "sh"
 	default TARGET_sparc if DESIRED_TARGET_ARCH = "sparc"
 	default TARGET_sparc64 if DESIRED_TARGET_ARCH = "sparc64"
@@ -117,6 +118,9 @@ config TARGET_or1k
 config TARGET_powerpc
 	bool "powerpc"
 
+config TARGET_riscv64
+	bool "riscv64"
+
 config TARGET_sh
 	bool "superh"
 
@@ -224,6 +228,10 @@ if TARGET_powerpc
 source "extra/Configs/Config.powerpc"
 endif
 
+if TARGET_riscv64
+source "extra/Configs/Config.riscv64"
+endif
+
 if TARGET_sh
 source "extra/Configs/Config.sh"
 endif
diff --git a/extra/Configs/Config.riscv64 b/extra/Configs/Config.riscv64
new file mode 100644
index 000000000..7d0136a2b
--- /dev/null
+++ b/extra/Configs/Config.riscv64
@@ -0,0 +1,15 @@
+#
+# For a description of the syntax of this configuration file,
+# see extra/config/Kconfig-language.txt
+#
+
+config TARGET_ARCH
+	string
+	default "riscv64"
+
+config FORCE_OPTIONS_FOR_ARCH
+	bool
+	default y
+	select ARCH_LITTLE_ENDIAN
+	select ARCH_HAS_MMU
+	select ARCH_HAS_NO_LDSO
-- 
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