Add CI workflow for building and testing

Improve CI workflow with QEMU, cpubench, timeout

I notice that the cpu bench will make qemu into Scheduler mode: Preemptive
so the qemu will not stop, add some trick to pass the test(not good)

Refactor CI workflow for improved toolchain usage

Comment out hello build and run step in CI workflow

Update RISC-V toolchain and enable hello build step

Add -bios none to QEMU commands in CI workflow

Remove hello build and run step from CI workflow

Add timeout to QEMU command in CI workflow

Add completion message to cpubench CI step

Allow QEMU step to pass without stopping CI job

ci: refactor QEMU test workflow and extract scripts

The workflow now extracts cpubench results from QEMU output and
automatically comments the result on pull requests.

Improve CI workflow with QEMU, cpubench, timeout

I notice that the cpu bench will make qemu into Scheduler mode: Preemptive
so the qemu will not stop, add some trick to pass the test(not good)

Refactor CI workflow for improved toolchain usage

Comment out hello build and run step in CI workflow

Update RISC-V toolchain and enable hello build step

Add -bios none to QEMU commands in CI workflow

Remove hello build and run step from CI workflow

Add timeout to QEMU command in CI workflow

Add completion message to cpubench CI step

Allow QEMU step to pass without stopping CI job

Fix merge conflict markers in CI workflow file

Use Ubuntu 24.04 in CI workflow

Remove merge conflict markers from error.c

Remove merge conflict markers from error.h

Remove redundant libc.h include from libc.c

Delete libc.c

Add CI scripts and refactor workflow

- Move toolchain setup, build, QEMU run, and result extraction to
dedicated scripts in .ci/ - Update ci.yml to use these scripts for
improved maintainability

Make CI scripts executable

Add flexible test sequencing and CI test suites

  - Replace run-qemu.sh with run-test-sequence.sh for configurable,
  robust test execution (supports timeouts, app lists, output dirs,
  continue-on-failure, and verbosity) - Add run-qemu-tests.sh for simple
  sequential app testing - Add test suite definitions: basic.txt,
  performance.txt, comprehensive.txt - Overhaul extract-result.sh to
  aggregate, summarize, and format results for GitHub Actions and
  artifacts - Update CI workflow to run multiple test suites (basic,
  performance, comprehensive, custom), upload artifacts, and generate a
  consolidated summary - Remove obsolete run-qemu.sh script

Simplify CI test runner and result extraction

Comment PR with benchmark results in CI workflow

Run all basic apps in CI and comment results on PRs

Remove extract-result.sh and update CI to inline test output

Update QEMU tests to run cpubench and test64 only

Inline build steps in CI workflow and remove build.sh

Author: G36maid

.ci/setup-toolchain.sh

@@ -1,61 +1,11 @@
 #!/bin/bash
 set -e
 
-# Default to GNU if no toolchain specified
-TOOLCHAIN_TYPE=${1:-gnu}
+URL="https://github.com/riscv-collab/riscv-gnu-toolchain/releases/download/2025.06.13/riscv32-elf-ubuntu-22.04-gcc-nightly-2025.06.13-nightly.tar.xz"
 
-TOOLCHAIN_REPO=https://github.com/riscv-collab/riscv-gnu-toolchain
-TOOLCHAIN_VERSION=2025.07.03
-TOOLCHAIN_OS=ubuntu-24.04
+echo "[+] Downloading RISC-V GNU toolchain..."
+wget "$URL"
+tar -xf "$(basename "$URL")"
 
-setup_gnu_toolchain() {
-    echo "[+] Setting up GNU RISC-V toolchain..."
-
-    local URL="${TOOLCHAIN_REPO}/releases/download/${TOOLCHAIN_VERSION}/riscv32-elf-${TOOLCHAIN_OS}-gcc-nightly-${TOOLCHAIN_VERSION}-nightly.tar.xz"
-
-    echo "[+] Downloading RISC-V GNU toolchain..."
-    wget -q "$URL"
-    tar -xf "$(basename "$URL")"
-
-    echo "[+] Exporting GNU toolchain path..."
-    echo "$PWD/riscv/bin" >> "$GITHUB_PATH"
-
-    # Set cross-compile prefix for GNU
-    echo "CROSS_COMPILE=riscv32-unknown-elf-" >> "$GITHUB_ENV"
-    echo "TOOLCHAIN_TYPE=gnu" >> "$GITHUB_ENV"
-}
-
-setup_llvm_toolchain() {
-    echo "[+] Setting up LLVM RISC-V toolchain..."
-
-    # upstream URL for LLVM toolchain
-    local URL="${TOOLCHAIN_REPO}/releases/download/${TOOLCHAIN_VERSION}/riscv32-elf-${TOOLCHAIN_OS}-llvm-nightly-${TOOLCHAIN_VERSION}-nightly.tar.xz"
-
-    echo "[+] Downloading RISC-V LLVM toolchain..."
-    wget -q "$URL"
-    tar -xf "$(basename "$URL")"
-
-    echo "[+] Exporting LLVM toolchain path..."
-    echo "$PWD/riscv/bin" >> "$GITHUB_PATH"
-
-    # Set cross-compile prefix for LLVM
-    echo "CROSS_COMPILE=riscv32-unknown-elf-" >> "$GITHUB_ENV"
-    echo "TOOLCHAIN_TYPE=llvm" >> "$GITHUB_ENV"
-    echo "AR=llvm-ar" >> "$GITHUB_ENV"
-}
-
-case "$TOOLCHAIN_TYPE" in
-    "gnu")
-        setup_gnu_toolchain
-        ;;
-    "llvm")
-        setup_llvm_toolchain
-        ;;
-    *)
-        echo "Error: Unknown toolchain type '$TOOLCHAIN_TYPE'"
-        echo "Usage: $0 [gnu|llvm]"
-        exit 1
-        ;;
-esac
-
-echo "[+] Toolchain setup complete: $TOOLCHAIN_TYPE"
+echo "[+] Exporting toolchain path..."
+echo "$PWD/riscv/bin" >> "$GITHUB_PATH"

.github/workflows/ci.yml

@@ -2,7 +2,9 @@ name: Linmo CI
 
 on:
   push:
+    branches: [main, ci]
   pull_request:
+    branches: [main, ci]
 
 jobs:
   basic-tests:
@@ -18,8 +20,8 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y build-essential qemu-system-riscv32 wget
 
-      - name: Setup GNU RISC-V Toolchain
-        run: .ci/setup-toolchain.sh gnu
+      - name: Setup RISC-V Toolchain
+        run: .ci/setup-toolchain.sh
 
       - name: Verify toolchain installation
         run: |