From dcbba23797112d39e3ea6f773ff4a9d58700a511 Mon Sep 17 00:00:00 2001
From: nihui <shuizhuyuanluo@126.com>
Date: Sun, 11 May 2025 11:55:07 +0800
Subject: [PATCH] Avaota f1 (#195)

---
 .github/workflows/release.yml                 | 12 +++++++
 README.md                                     | 14 +++++++-
 toolchains/riscv32-linux-musl.toolchain.cmake | 33 +++++++++++++++++++
 3 files changed, 58 insertions(+), 1 deletion(-)
 create mode 100644 toolchains/riscv32-linux-musl.toolchain.cmake

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a942ab8..bf7bf0a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1872,6 +1872,18 @@ jobs:
               export STAGING_DIR=$GITHUB_WORKSPACE/toolchain
             cmake-options: -DWITH_AW=ON
 
+          - name: avaota-f1
+            single-core: true
+            cmake-toolchain: riscv32-linux-musl.toolchain.cmake
+            setup-toolchain-cmd: |
+              wget -q https://github.com/AvaotaSBC/toolchains/releases/download/v821-toolchains/nds32le-linux-musl-v5d.tar.xz
+              tar -xf nds32le-linux-musl-v5d.tar.xz
+            setup-env-cmd: |
+              export RISCV_ROOT_PATH=$GITHUB_WORKSPACE/nds32le-linux-musl-v5d
+            setup-test-env-cmd: |
+              export RISCV_ROOT_PATH=$GITHUB_WORKSPACE/nds32le-linux-musl-v5d
+            cmake-options: -DWITH_AW=ON
+
           - name: purple-pi
             single-core: false
             cmake-toolchain: arm-linux-gnueabihf.toolchain.cmake
diff --git a/README.md b/README.md
index 144a69f..8028834 100644
--- a/README.md
+++ b/README.md
@@ -410,6 +410,16 @@ https://github.com/nihui/opencv-mobile/releases/latest
 </td>
 </tr>
 <tr>
+<td>
+  <a href="https://github.com/AvaotaSBC/AvaotaF1">
+    <img alt="avaota-f1" src="https://github.com/user-attachments/assets/2f67508c-4f9f-4fe1-8155-ca97e8a12001" width="auto" height="120">
+    <br /><b>avaota-f1</b>
+  </a>
+  <br />riscv32-linux-musl<br />
+  <a href="https://github.com/nihui/opencv-mobile/releases/latest/download/opencv-mobile-4.11.0-avaota-f1.zip">
+    <img alt="opencv4-avaota-f1" src="https://img.shields.io/badge/download-4.11.0-blue?style=for-the-badge">
+  </a>
+</td>
 <td>
   <a href="http://www.industio.cn/product-item-5.html">
     <img alt="purple-pi" src="https://img01.71360.com/file/read/www2/M00/38/09/wKj2K2MMbSKAXKhHAAJMw0S-VfY400.jpg" width="auto" height="120">
@@ -432,6 +442,8 @@ https://github.com/nihui/opencv-mobile/releases/latest
     <img alt="opencv4-myir-t113i" src="https://img.shields.io/badge/download-4.11.0-blue?style=for-the-badge">
   </a>
 </td>
+</tr>
+<tr>
 <td>
   <a href="https://www.loongson.cn/news/show?id=673">
     <img alt="2k0300-fengniao" src="https://github.com/user-attachments/assets/3ff9048d-a2b7-46a4-8534-e8bf5b85a2e1" width="auto" height="120">
@@ -442,7 +454,6 @@ https://github.com/nihui/opencv-mobile/releases/latest
     <img alt="opencv4-2k0300-fengniao" src="https://img.shields.io/badge/download-4.11.0-blue?style=for-the-badge">
   </a>
 </td>
-</tr>
 <td>
   <a href="https://gitee.com/LockzhinerAI/LockzhinerVisionModule">
     <img alt="lockzhiner-vision-module" src="https://github.com/user-attachments/assets/67252677-a336-4a88-9c65-f10d34c6c1f2" width="auto" height="120">
@@ -456,6 +467,7 @@ https://github.com/nihui/opencv-mobile/releases/latest
     <img alt="opencv4-lockzhiner-vision-module" src="https://img.shields.io/badge/download-4.11.0-blue?style=for-the-badge">
   </a>
 </td>
+</tr>
 </table>
 
 # Usage Android
diff --git a/toolchains/riscv32-linux-musl.toolchain.cmake b/toolchains/riscv32-linux-musl.toolchain.cmake
new file mode 100644
index 0000000..1ff993a
--- /dev/null
+++ b/toolchains/riscv32-linux-musl.toolchain.cmake
@@ -0,0 +1,33 @@
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR riscv32)
+
+if(DEFINED ENV{RISCV_ROOT_PATH})
+    file(TO_CMAKE_PATH $ENV{RISCV_ROOT_PATH} RISCV_ROOT_PATH)
+else()
+    message(FATAL_ERROR "RISCV_ROOT_PATH env must be defined")
+endif()
+
+set(RISCV_ROOT_PATH ${RISCV_ROOT_PATH} CACHE STRING "root path to riscv toolchain")
+
+set(CMAKE_C_COMPILER "${RISCV_ROOT_PATH}/bin/riscv32-linux-musl-gcc")
+set(CMAKE_CXX_COMPILER "${RISCV_ROOT_PATH}/bin/riscv32-linux-musl-g++")
+
+set(CMAKE_FIND_ROOT_PATH "${RISCV_ROOT_PATH}/riscv32-linux-musl")
+
+set(CMAKE_SYSROOT "${RISCV_ROOT_PATH}/sysroot")
+
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+set(CMAKE_C_FLAGS "-march=rv32imafdc")
+set(CMAKE_CXX_FLAGS "-march=rv32imafdc")
+
+# cache flags
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c flags")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "c++ flags")
+
+# export RISCV_ROOT_PATH=/home/nihui/osd/nds32le-linux-musl-v5d
+
+# cmake -DCMAKE_TOOLCHAIN_FILE=../../toolchains/riscv32-linux-musl.toolchain.cmake -DCMAKE_C_FLAGS="-fno-rtti -fno-exceptions" -DCMAKE_CXX_FLAGS="-fno-rtti -fno-exceptions" -DCMAKE_INSTALL_PREFIX=install -DCMAKE_BUILD_TYPE=Release `cat ../../opencv4_cmake_options.txt` -DBUILD_opencv_world=OFF -DOPENCV_DISABLE_FILESYSTEM_SUPPORT=ON ..