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Upgrade RISC-V ToolChains for bluetrum/ab32vg1-ab-prougen,qemu-virt64,ultrarisc/ur_dp1000_evb to gcc 12.x #10739

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Upgrade RISC-V ToolChains for bluetrum/ab32vg1-ab-prougen,qemu-virt64,ultrarisc/ur_dp1000_evb to gcc 12.x #10739

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c57debf
qemu-virt64-riscv avoid use tab in README*.md
lygstate Sep 24, 2025
fa2d07e
Upgrade RISC-V ToolChains for bluetrum/ab32vg1-ab-prougen,qemu-virt64…
lygstate Sep 24, 2025
0108cfb
Add tool to generate compile_commands.json for bsp qemu-virt64-riscv
lygstate Sep 25, 2025
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14 changes: 7 additions & 7 deletions .github/workflows/action_utest.yml
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Expand Up @@ -87,20 +87,20 @@ jobs:
- name: Install RISC-V ToolChains
if: ${{ matrix.legs.QEMU_ARCH == 'riscv64' && matrix.legs.UTEST != 'rtsmart/riscv64' && success() }}
run: |
wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.4/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz
sudo tar zxvf riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz -C /opt
/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin/riscv64-unknown-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin" >> $GITHUB_ENV
wget -q https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v12.3.0-2/xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz
sudo tar zxvf xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz -C /opt
/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin/riscv-none-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin" >> $GITHUB_ENV

- name: Install RISC-V Musl ToolChains
if: ${{ matrix.legs.QEMU_ARCH == 'riscv64' && matrix.legs.UTEST == 'rtsmart/riscv64' && success() }}
shell: bash
run: |
wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.7/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_latest.tar.bz2
wget -q https://download.rt-thread.org/download/rt-smart/toolchains/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_latest.tar.bz2
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不建议使用 download.rt-thread.org 的工具链用于ci，特别还是latest版本的工具链。如果需要，可以更新 toolchains-ci 中的版本。

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toolchains-ci 如何升级？

sudo tar xjf riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_latest.tar.bz2 -C /opt
/opt/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu/bin/riscv64-unknown-linux-musl-gcc --version
/opt/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu/bin/riscv64-linux-musleabi-gcc --version
echo "RTT_EXEC_PATH=/opt/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu/bin" >> $GITHUB_ENV
echo "RTT_CC_PREFIX=riscv64-unknown-linux-musl-" >> $GITHUB_ENV
echo "RTT_CC_PREFIX=riscv64-linux-musleabi-" >> $GITHUB_ENV

- name: Install AARCH64 Musl ToolChains
if: ${{ matrix.legs.QEMU_ARCH == 'aarch64' && matrix.legs.UTEST == 'rtsmart/aarch64' && success() }}
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8 changes: 4 additions & 4 deletions .github/workflows/bsp_buildings.yml
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Expand Up @@ -157,10 +157,10 @@ jobs:
- name: Install Riscv64-unknown-elf ToolChains
if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'sourcery-riscv64-unknown-elf' && success() }}
run: |
wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.4/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz
sudo tar zxf riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz -C /opt
/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin/riscv64-unknown-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin" >> $GITHUB_ENV
wget -q https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v12.3.0-2/xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz
sudo tar zxf xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz -C /opt
/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin/riscv-none-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin" >> $GITHUB_ENV

- name: Install Riscv64 rt-thread smart general toolchain
if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'sourcery-riscv64-general-toolchain' && success() }}
Expand Down
8 changes: 4 additions & 4 deletions .github/workflows/manual_bsp_build.yml
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Expand Up @@ -112,10 +112,10 @@ jobs:
- name: Install Riscv64-unknown-elf ToolChains
if: ${{ github.event.inputs.bsp_tool_chain == 'sourcery-riscv64-unknown-elf' && success() }}
run: |
wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.4/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz
sudo tar zxf riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz -C /opt
/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin/riscv64-unknown-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin" >> $GITHUB_ENV
wget -q https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v12.3.0-2/xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz
sudo tar zxf xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz -C /opt
/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin/riscv-none-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin" >> $GITHUB_ENV

- name: Install Riscv-none-embed ToolChains
if: ${{ github.event.inputs.bsp_tool_chain == 'sourcery-riscv-none-embed' && success() }}
Expand Down
4 changes: 2 additions & 2 deletions .github/workflows/manual_dist.yml
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Expand Up @@ -105,8 +105,8 @@ jobs:
- name: Install Riscv64-unknown-elf ToolChains
if: ${{ github.event.inputs.bsp_tool_chain == 'sourcery-riscv64-unknown-elf' && success() }}
run: |
source tools/ci/toolchain.sh riscv64-unknown-elf-gcc
echo "RTT_EXEC_PATH=/opt/riscv64-unknown-elf-gcc/bin" >> $GITHUB_ENV
source tools/ci/toolchain.sh riscv-none-elf-gcc
echo "RTT_EXEC_PATH=/opt/riscv-none-elf-gcc/bin" >> $GITHUB_ENV

- name: Install Riscv-none-embed ToolChains
if: ${{ github.event.inputs.bsp_tool_chain == 'sourcery-riscv-none-embed' && success() }}
Expand Down
8 changes: 4 additions & 4 deletions .github/workflows/manual_trigger_scons_except_STM32_all.yml
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Expand Up @@ -334,10 +334,10 @@ jobs:
- name: Install Riscv64-unknown-elf ToolChains
if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'sourcery-riscv64-unknown-elf' && success() }}
run: |
wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.4/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz
sudo tar zxvf riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz -C /opt
/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin/riscv64-unknown-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin" >> $GITHUB_ENV
wget -q https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v12.3.0-2/xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz
sudo tar zxvf xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz -C /opt
/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin/riscv-none-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin" >> $GITHUB_ENV

- name: Install Riscv-none-embed ToolChains
if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'sourcery-riscv-none-embed' && success() }}
Expand Down
8 changes: 4 additions & 4 deletions .github/workflows/manual_trigger_scons_fail_bsp_all.yml
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Expand Up @@ -149,10 +149,10 @@ jobs:
- name: Install Riscv64-unknown-elf ToolChains
if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'sourcery-riscv64-unknown-elf' && success() }}
run: |
wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.4/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz
sudo tar zxvf riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz -C /opt
/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin/riscv64-unknown-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin" >> $GITHUB_ENV
wget -q https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v12.3.0-2/xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz
sudo tar zxvf xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz -C /opt
/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin/riscv-none-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin" >> $GITHUB_ENV

- name: Install Riscv-none-embed ToolChains
if: ${{ matrix.legs.RTT_TOOL_CHAIN == 'sourcery-riscv-none-embed' && success() }}
Expand Down
8 changes: 4 additions & 4 deletions .github/workflows/manual_trigger_update_all.yml
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Expand Up @@ -101,10 +101,10 @@ jobs:
- name: Install Riscv64-unknown-elf ToolChains
if: ${{ github.event.inputs.bsp_tool_chain == 'sourcery-riscv64-unknown-elf' && success() }}
run: |
wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.4/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz
sudo tar zxf riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz -C /opt
/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin/riscv64-unknown-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin" >> $GITHUB_ENV
wget -q https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v12.3.0-2/xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz
sudo tar zxf xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz -C /opt
/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin/riscv-none-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin" >> $GITHUB_ENV

- name: Install Riscv-none-embed ToolChains
if: ${{ github.event.inputs.bsp_tool_chain == 'sourcery-riscv-none-embed' && success() }}
Expand Down
14 changes: 7 additions & 7 deletions .github/workflows/utest_auto_run.yml
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Expand Up @@ -110,21 +110,21 @@ jobs:
# Install RISC-V ToolChains
if [[ "${{ matrix.platform.QEMU_ARCH }}" == "riscv64" && "${{ matrix.platform.KERNEL }}" == "standard" ]]; then
echo "Starting install RISC-V ToolChains"
wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.4/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz
sudo tar zxvf riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz -C /opt
/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin/riscv64-unknown-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin" >> $GITHUB_ENV
wget -q https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v12.3.0-2/xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz
sudo tar zxvf xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz -C /opt
/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin/riscv-none-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin" >> $GITHUB_ENV
echo "TOOLCHAIN_INSTALLED=riscv" >> $GITHUB_ENV
fi

# Install RISC-V Musl ToolChains
if [[ "${{ matrix.platform.QEMU_ARCH }}" == "riscv64" && "${{ matrix.platform.KERNEL }}" == "rtsmart" ]]; then
echo "Starting install RISC-V Musl ToolChains"
wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.7/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_latest.tar.bz2
wget -q https://download.rt-thread.org/download/rt-smart/toolchains/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_latest.tar.bz2
sudo tar xjf riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_latest.tar.bz2 -C /opt
/opt/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu/bin/riscv64-unknown-linux-musl-gcc --version
/opt/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu/bin/riscv64-linux-musleabi-gcc --version
echo "RTT_EXEC_PATH=/opt/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu/bin" >> $GITHUB_ENV
echo "RTT_CC_PREFIX=riscv64-unknown-linux-musl-" >> $GITHUB_ENV
echo "RTT_CC_PREFIX=riscv64-linux-musleabi-" >> $GITHUB_ENV
echo "TOOLCHAIN_INSTALLED=riscv-musl" >> $GITHUB_ENV
fi

Expand Down
24 changes: 24 additions & 0 deletions bsp/bluetrum/ab32vg1-ab-prougen/normal-env.bat
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@@ -0,0 +1,24 @@

@set def_arch=riscv64

pushd %RTT_ENV_URL%\..\..
set RTT_ENV_ROOT=%cd%
popd

:: Download from:
:: https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v12.3.0-2/xpack-riscv-none-elf-gcc-12.3.0-2-win32-x64.zip
:: Extract as:
:: C:\env-windows\tools\gnu_gcc\xpack-riscv-none-elf-gcc-12.3.0-2

@set RTT_CC=gcc
@set RTT_EXEC_PATH=%RTT_ENV_ROOT%\tools\gnu_gcc\xpack-riscv-none-elf-gcc-12.3.0-2\bin
@set RTT_CC_PREFIX=riscv-none-elf-

@set PATH=%RTT_EXEC_PATH%;%RTT_ENV_ROOT%\.venv\Scripts;%_OLD_VIRTUAL_PATH%

@echo "Arch => %def_arch%"
@echo "CC => %RTT_CC%"
@echo "PREFIX => %RTT_CC_PREFIX%"
@echo "EXEC_PATH => %RTT_EXEC_PATH%"

:EXIT
4 changes: 2 additions & 2 deletions bsp/bluetrum/ab32vg1-ab-prougen/rtconfig.py
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Expand Up @@ -29,7 +29,7 @@

if PLATFORM == 'gcc':
# toolchains
PREFIX = 'riscv64-unknown-elf-'
PREFIX = 'riscv-none-elf-'
CC = PREFIX + 'gcc'
CXX = PREFIX + 'g++'
AS = PREFIX + 'gcc'
Expand All @@ -43,7 +43,7 @@
DEVICE = ' -mcmodel=medany -march=rv32imc -mabi=ilp32 -msave-restore -ffunction-sections'
CFLAGS = DEVICE + ' -D_USE_LONG_TIME_T'
AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp'
LFLAGS = DEVICE + ' -nostartfiles -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,_start -T link.lds'
LFLAGS = DEVICE + ' -nostartfiles -Wl,--no-warn-rwx-segments -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,_start -T link.lds'
CPATH = ''
LPATH = ''

Expand Down
48 changes: 24 additions & 24 deletions bsp/qemu-virt64-riscv/README.md
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Expand Up @@ -6,17 +6,17 @@ English | [中文](./README_cn.md)

- [1. Introduction](#1-introduction)
- [2. Building](#2-building)
- [2.1. Installing the toolchain](#21-installing-the-toolchain)
- [2.2. Setting RT-Thread toolchain environment variables](#22-setting-rt-thread-toolchain-environment-variables)
- [2.3. Downloading the kernel](#23-downloading-the-kernel)
- [2.4. Configuring the kernel](#24-configuring-the-kernel)
- [2.5. Compiling the kernel](#25-compiling-the-kernel)
- [2.1. Installing the toolchain](#21-installing-the-toolchain)
- [2.2. Setting RT-Thread toolchain environment variables](#22-setting-rt-thread-toolchain-environment-variables)
- [2.3. Downloading the kernel](#23-downloading-the-kernel)
- [2.4. Configuring the kernel](#24-configuring-the-kernel)
- [2.5. Compiling the kernel](#25-compiling-the-kernel)
- [3. Running](#3-running)
- [3.1. Installing QEMU](#31-installing-qemu)
- [3.2. Running QEMU](#32-running-qemu)
- [3.2.1. Running RT-Thread Standard Edition](#321-running-rt-thread-standard-edition)
- [3.2.2. Running RT-Thread Smart version](#322-running-rt-thread-smart-version)
- [3.2.3. Running RT-Thread Smart version + Root file-system](#323-running-rt-thread-smart-version--root-file-system)
- [3.1. Installing QEMU](#31-installing-qemu)
- [3.2. Running QEMU](#32-running-qemu)
- [3.2.1. Running RT-Thread Standard Edition](#321-running-rt-thread-standard-edition)
- [3.2.2. Running RT-Thread Smart version](#322-running-rt-thread-smart-version)
- [3.2.3. Running RT-Thread Smart version + Root file-system](#323-running-rt-thread-smart-version--root-file-system)
- [4. How to use rv64ilp32 toolchain](#4-how-to-use-rv64ilp32-toolchain)
- [5. Contact information](#5-contact-information)

Expand Down Expand Up @@ -49,31 +49,31 @@ The specific toolchain used is consistent with the official RT-Thread. For the s
- name: Install RISC-V ToolChains
if: ${{ matrix.legs.QEMU_ARCH == 'riscv64' && matrix.legs.UTEST != 'rtsmart/riscv64' && success() }}
run: |
wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.4/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz
sudo tar zxvf riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14.tar.gz -C /opt
/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin/riscv64-unknown-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin" >> $GITHUB_ENV
wget -q https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v12.3.0-2/xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz
sudo tar zxvf xpack-riscv-none-elf-gcc-12.3.0-2-linux-x64.tar.gz -C /opt
/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin/riscv-none-elf-gcc --version
echo "RTT_EXEC_PATH=/opt/xpack-riscv-none-elf-gcc-12.3.0-2/bin" >> $GITHUB_ENV

- name: Install RISC-V Musl ToolChains
if: ${{ matrix.legs.QEMU_ARCH == 'riscv64' && matrix.legs.UTEST == 'rtsmart/riscv64' && success() }}
shell: bash
run: |
wget -q https://github.com/RT-Thread/toolchains-ci/releases/download/v1.7/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_latest.tar.bz2
wget -q https://download.rt-thread.org/download/rt-smart/toolchains/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_latest.tar.bz2
sudo tar xjf riscv64-linux-musleabi_for_x86_64-pc-linux-gnu_latest.tar.bz2 -C /opt
/opt/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu/bin/riscv64-unknown-linux-musl-gcc --version
/opt/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu/bin/riscv64-linux-musleabi-gcc --version
echo "RTT_EXEC_PATH=/opt/riscv64-linux-musleabi_for_x86_64-pc-linux-gnu/bin" >> $GITHUB_ENV
echo "RTT_CC_PREFIX=riscv64-unknown-linux-musl-" >> $GITHUB_ENV
echo "RTT_CC_PREFIX=riscv64-linux-musleabi-" >> $GITHUB_ENV
```

Among them, `riscv64-unknown-elf-gcc` is used to build the RT-Thread Standard version, and `riscv64-unknown-linux-musl-gcc` is used to build the RT-Thread Smart version. Download them to your local computer according to the links shown above and decompress them.
Among them, `riscv-none-elf-gcc` is used to build the RT-Thread Standard version, and `riscv64-linux-musleabi-gcc` is used to build the RT-Thread Smart version. Download them to your local computer according to the links shown above and decompress them.

## 2.2. Setting RT-Thread toolchain environment variables

There are three environment variables related to the RT-Thread toolchain

- `RTT_CC` is the toolchain name, which is `"gcc"` here
- `RTT_CC_PREFIX`: is the toolchain prefix, which is `"riscv64-unknown-elf-"` for the Standard version and `"riscv64-unknown-linux-musl-"` for the Smart version.
- `RTT_EXEC_PATH`: the path where the bin folder of the toolchain is located, such as `"$HOME/tools/riscv64-unknown-elf-toolchain-10.2.0-2020.12.8-x86_64-linux-ubuntu14/bin"`. This is set according to the actual path after personal download and decompression. Note that the toolchains of the RT-Thread standard version and the Smart version are two different versions, and the path name of `RTT_EXEC_PATH` must be set to `bin`.
- `RTT_CC_PREFIX`: is the toolchain prefix, which is `"riscv-none-elf-"` for the Standard version and `"riscv64-linux-musleabi-"` for the Smart version.
- `RTT_EXEC_PATH`: the path where the bin folder of the toolchain is located, such as `"$HOME/tools/xpack-riscv-none-elf-gcc-12.3.0-2/bin"`. This is set according to the actual path after personal download and decompression. Note that the toolchains of the RT-Thread standard version and the Smart version are two different versions, and the path name of `RTT_EXEC_PATH` must be set to `bin`.

If you use them all the time, it is recommended to export these three environment variables in the `.bashrc` file.

Expand Down Expand Up @@ -381,8 +381,8 @@ etc mnt run tc var
```bash
Memory region Used Size Region Size %age Used
SRAM: 225856 B 16 MB 1.35%
riscv64-unknown-elf-objcopy -O binary rtthread.elf rtthread.bin
riscv64-unknown-elf-size rtthread.elf
riscv-none-elf-objcopy -O binary rtthread.elf rtthread.bin
riscv-none-elf-size rtthread.elf
text data bss dec hex filename
150907 3664 71268 225839 3722f rtthread.elf
```
Expand All @@ -392,8 +392,8 @@ etc mnt run tc var
```bash
Memory region Used Size Region Size %age Used
SRAM: 209376 B 16 MB 1.25%
riscv64-unknown-elf-objcopy -O binary rtthread.elf rtthread.bin
riscv64-unknown-elf-size rtthread.elf
riscv-none-elf-objcopy -O binary rtthread.elf rtthread.bin
riscv-none-elf-size rtthread.elf
text data bss dec hex filename
138739 1356 69276 209371 331db rtthread.elf
```
Expand Down
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