From b578eb300627dd8230d354af3f8e511889465ebc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=86=E6=97=AD=E5=87=A1?=
 <9144915+lu-xufan@user.noreply.gitee.com>
Date: Wed, 23 Mar 2022 14:32:09 +0000
Subject: [PATCH] Add rust toolchain build instructions

---
 docs/howto-build-aosp-riscv.md | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/docs/howto-build-aosp-riscv.md b/docs/howto-build-aosp-riscv.md
index 2240c2e..3391c71 100644
--- a/docs/howto-build-aosp-riscv.md
+++ b/docs/howto-build-aosp-riscv.md
@@ -90,7 +90,7 @@ $ lunch aosp_riscv64-eng
 $ m --skip-ninja
 ```
 
-# 6. Build Clang
+# 6. Build Clang/llvm toolchain
 
 ```
 $ mkdir llvm-toolchain && cd llvm-toolchain
@@ -98,3 +98,12 @@ $ repo init -u git@github.com:aosp-riscv/platform_manifest.git -b riscv64-llvm-m
 $ repo sync -c
 $ python toolchain/llvm_android/build.py
 ```
+
+# 7. Build Rust toolchain
+
+```
+$ mkdir rust-toolchain && cd rust-toolchain
+$ repo init -u git@github.com:riscv-android-src/manifest.git -b riscv64-android12-rust-toolchain-dev
+$ repo sync -c
+$ python toolchain-android_rust/build.py
+
-- 
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