From 2cafd02e298a5f69d7340995f123d535cfd82538 Mon Sep 17 00:00:00 2001
From: rajames <rajames440@gmail.com>
Date: Sat, 1 Aug 2026 12:11:41 -0400
Subject: [PATCH] ci: add Gitea Actions build workflow (amd64/aarch64 ISO,
 riscv64 disk image)

---
 .gitea/workflows/build.yml | 87 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 .gitea/workflows/build.yml

diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
new file mode 100644
index 0000000..138d8c6
--- /dev/null
+++ b/.gitea/workflows/build.yml
@@ -0,0 +1,87 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build-amd64-iso:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build kernel (amd64)
+        run: make -f Makefile.starkernel ARCH=amd64
+      - name: Pack El Torito ISO (amd64)
+        run: |
+          set -e
+          BUILD_DIR=build/amd64/kernel
+          mkdir -p "$BUILD_DIR/iso"
+          dd if=/dev/zero of="$BUILD_DIR/iso/efi.img" bs=512 count=8192
+          mformat -i "$BUILD_DIR/iso/efi.img" ::
+          mmd     -i "$BUILD_DIR/iso/efi.img" ::/EFI
+          mmd     -i "$BUILD_DIR/iso/efi.img" ::/EFI/BOOT
+          mcopy   -i "$BUILD_DIR/iso/efi.img" "$BUILD_DIR/starkernel_loader.efi" ::/EFI/BOOT/BOOTX64.EFI
+          xorriso -as mkisofs -r -J -e efi.img -no-emul-boot \
+            -o "$BUILD_DIR/starkernel.iso" "$BUILD_DIR/iso"
+      - uses: actions/upload-artifact@v4
+        with:
+          name: lithosananke-amd64-iso
+          path: build/amd64/kernel/starkernel.iso
+
+  build-aarch64-iso:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build kernel (aarch64)
+        env:
+          PATH: /usr/lib/llvm-18/bin:/usr/bin:/bin
+        run: make -f Makefile.starkernel ARCH=aarch64
+      - name: Pack El Torito ISO (aarch64)
+        run: |
+          set -e
+          BUILD_DIR=build/aarch64/kernel
+          mkdir -p "$BUILD_DIR/iso/EFI/BOOT"
+          cp "$BUILD_DIR/starkernel_loader.efi" "$BUILD_DIR/iso/EFI/BOOT/BOOTAA64.EFI"
+          printf "FS0:\\\\EFI\\\\BOOT\\\\BOOTAA64.EFI\r\n" > "$BUILD_DIR/iso/startup.nsh"
+          dd if=/dev/zero of="$BUILD_DIR/iso/efi.img" bs=512 count=8192
+          mformat -i "$BUILD_DIR/iso/efi.img" ::
+          mmd     -i "$BUILD_DIR/iso/efi.img" ::/EFI
+          mmd     -i "$BUILD_DIR/iso/efi.img" ::/EFI/BOOT
+          mcopy   -i "$BUILD_DIR/iso/efi.img" "$BUILD_DIR/starkernel_loader.efi" ::/EFI/BOOT/BOOTAA64.EFI
+          xorriso -as mkisofs -r -J -e efi.img -no-emul-boot \
+            -o "$BUILD_DIR/starkernel.iso" "$BUILD_DIR/iso"
+      - uses: actions/upload-artifact@v4
+        with:
+          name: lithosananke-aarch64-iso
+          path: build/aarch64/kernel/starkernel.iso
+
+  build-riscv64-img:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build kernel (riscv64)
+        run: make -f Makefile.starkernel ARCH=riscv64
+      - name: Pack GPT/FAT32 disk image (riscv64)
+        # El Torito ISO and -bios QEMU mode don't work on riscv64 virt,
+        # so this arch ships a raw GPT disk image instead of an ISO
+        # (same distinction Makefile.starkernel's own qemu target makes).
+        run: |
+          set -e
+          BUILD_DIR=build/riscv64/kernel
+          DISK="$BUILD_DIR/starkernel_rv64.img"
+          dd if=/dev/zero of="$DISK" bs=1M count=64
+          sgdisk -n 1:2048:131038 -t 1:ef00 -c 1:"EFI System" "$DISK"
+          dd if=/dev/zero of="$BUILD_DIR/esp_rv64.img" bs=512 count=128991
+          mkfs.fat -F 32 -n "ESP" "$BUILD_DIR/esp_rv64.img"
+          mmd   -i "$BUILD_DIR/esp_rv64.img" ::/EFI
+          mmd   -i "$BUILD_DIR/esp_rv64.img" ::/EFI/BOOT
+          mcopy -i "$BUILD_DIR/esp_rv64.img" "$BUILD_DIR/starkernel_loader.efi" ::/EFI/BOOT/BOOTRISCV64.EFI
+          mcopy -i "$BUILD_DIR/esp_rv64.img" "$BUILD_DIR/starkernel_kernel.elf" ::/kernel.elf
+          printf 'FS0:\\EFI\\BOOT\\BOOTRISCV64.EFI\r\n' > "$BUILD_DIR/startup.nsh"
+          mcopy -i "$BUILD_DIR/esp_rv64.img" "$BUILD_DIR/startup.nsh" ::/startup.nsh
+          dd if="$BUILD_DIR/esp_rv64.img" of="$DISK" bs=512 seek=2048 conv=notrunc
+      - uses: actions/upload-artifact@v4
+        with:
+          name: lithosananke-riscv64-img
+          path: build/riscv64/kernel/starkernel_rv64.img