ARK-OS/arkos/Makefile

# Copyright 2026 Aarav Ravindra Kharade
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# ═══════════════════════════════════════════════════════════════════
#  ArkOS Build System v4.0 — Top-Level Makefile
# ═══════════════════════════════════════════════════════════════════
#
#  Setup:
#    source envsetup.sh     — Load build environment
#    type arm64             — Select ARM64 target (Raspberry Pi 4)
#    type x86_64            — Select x86_64 target (PC / QEMU)
#
#  Build Targets:
#    make                   — Full incremental build for selected target
#    make clean             — Remove all build artifacts and caches
#
#  Test Targets (cross-architecture):
#    make test-uefi         — x86_64 UEFI (auto-detects host arch)
#    make test-bios         — x86_64 BIOS (auto-detects host arch)
#    make test-uefi-arm64   — ARM64 UEFI via QEMU
#    make test-bios-arm64   — ARM64 direct kernel boot via QEMU
#
# ═══════════════════════════════════════════════════════════════════

# Project root is one level above this Makefile (arkos/Makefile)
ROOT := $(realpath $(dir $(lastword $(MAKEFILE_LIST)))/..  )
TOOLS := $(ROOT)/tools
ARKOS := $(ROOT)/arkos

# ── Host Architecture Detection ───────────────────────────────────
HOST_ARCH := $(shell uname -m)

# ── Clang Toolchain (all compilation uses clang) ──────────────────
# Prefer prebuilt clang, fall back to system clang
CLANG := $(shell if [ -x $(ARKOS)/prebuilts/clang/bin/clang ]; then \
	echo $(ARKOS)/prebuilts/clang/bin/clang; \
	else echo clang; fi)
CLANGXX := $(shell if [ -x $(ARKOS)/prebuilts/clang/bin/clang++ ]; then \
	echo $(ARKOS)/prebuilts/clang/bin/clang++; \
	else echo clang++; fi)

# ── Target Architecture (set by envsetup.sh type command) ─────────
# Default to x86_64 if no target selected
TARGET_ARCH ?= x86_64
TARGET_TRIPLE ?= x86_64-linux-gnu

# ── Architecture-Specific Compiler Flags ──────────────────────────
X86_CC := $(CLANG) --target=x86_64-linux-gnu
X86_CXX := $(CLANGXX) --target=x86_64-linux-gnu

ARM64_CC := $(CLANG) --target=aarch64-linux-gnu -mcpu=cortex-a72 -mno-outline-atomics
ARM64_CXX := $(CLANGXX) --target=aarch64-linux-gnu -mcpu=cortex-a72 -mno-outline-atomics

.PHONY: build clean \
        test-uefi test-bios test-uefi-arm64 test-bios-arm64

# ── Build ──────────────────────────────────────────────────────────
# Reads TARGET_ARCH from envsetup.sh type command.
# Defaults to x86_64 if no target was selected.
# Set NO_IMAGE=1 to skip assembling individual .img files into rpi4.img
build:
	@$(MAKE) --no-print-directory -C $(TOOLS) && chmod +x $(TOOLS)/build
ifeq ($(TARGET_ARCH),aarch64)
ifeq ($(NO_IMAGE),1)
	@$(TOOLS)/build $(ARKOS) --device rpi4 --no-image
else
	@$(TOOLS)/build $(ARKOS) --device rpi4
endif
else
	@$(TOOLS)/build $(ARKOS)
endif

# ── Clean ──────────────────────────────────────────────────────────
clean:
	rm -rf out_staging finished boot/assets
	@$(MAKE) --no-print-directory -C $(TOOLS) clean

# ═══════════════════════════════════════════════════════════════════
#  Test Targets — Cross-Architecture QEMU Emulation
# ═══════════════════════════════════════════════════════════════════
#  These targets auto-detect the host CPU architecture and use
#  KVM when possible (same arch), or TCG software emulation when
#  running cross-architecture (e.g., x86_64 on ARM64 host).
# ═══════════════════════════════════════════════════════════════════

# ── test-uefi: Boot x86_64 UEFI image ────────────────────────────
# On ARM64 host: uses qemu-system-x86_64 with TCG (no KVM)
# On x86_64 host: uses KVM for near-native speed
test-uefi:
	@echo "Testing ArkOS x86_64 UEFI (host: $(HOST_ARCH))..."
	@if [ "$(HOST_ARCH)" = "x86_64" ] || [ "$(HOST_ARCH)" = "amd64" ]; then \
		ACCEL="-enable-kvm"; \
	else \
		ACCEL="-accel tcg"; \
	fi; \
	qemu-system-x86_64 \
		$$ACCEL \
		-bios /usr/share/edk2/x64/OVMF.4m.fd \
		-m 2048 -smp 2 \
		-drive file=finished/boot.img,format=raw,index=0,media=disk,if=virtio \
		-drive file=finished/sys.img,format=raw,index=1,media=disk,if=virtio \
		-drive file=finished/vend.img,format=raw,index=2,media=disk,if=virtio \
		-device virtio-vga,edid=on,xres=1920,yres=1080 \
		-debugcon file:ovmf.log -global isa-debugcon.iobase=0x402 \
		-usb -device usb-tablet \
		-netdev user,id=net0 \
		-device virtio-net-pci,netdev=net0 \
		-serial stdio

# ── test-bios: Boot x86_64 BIOS image ────────────────────────────
test-bios:
	@echo "Testing ArkOS x86_64 BIOS (host: $(HOST_ARCH))..."
	@if [ "$(HOST_ARCH)" = "x86_64" ] || [ "$(HOST_ARCH)" = "amd64" ]; then \
		ACCEL="-enable-kvm"; \
	else \
		ACCEL="-accel tcg"; \
	fi; \
	qemu-system-x86_64 \
		$$ACCEL \
		-m 2048 -smp 2 \
		-drive file=finished/boot.img,format=raw,index=0,media=disk,if=virtio \
		-drive file=finished/sys.img,format=raw,index=1,media=disk,if=virtio \
		-drive file=finished/vend.img,format=raw,index=2,media=disk,if=virtio \
		-vga std \
		-debugcon file:ovmf.log -global isa-debugcon.iobase=0x402 \
		-usb -device usb-tablet \
		-netdev user,id=net0 \
		-device virtio-net-pci,netdev=net0 \
		-serial stdio

# ── test-uefi-arm64: Boot ARM64 image with UEFI ──────────────────
# On x86_64 host: uses qemu-system-aarch64 with TCG
# On ARM64 host: uses KVM for near-native speed
test-uefi-arm64:
	@echo "Testing ArkOS ARM64 UEFI (host: $(HOST_ARCH))..."
	@if [ "$(HOST_ARCH)" = "aarch64" ] || [ "$(HOST_ARCH)" = "arm64" ]; then \
		ACCEL="-enable-kvm"; \
	else \
		ACCEL="-accel tcg"; \
	fi; \
	qemu-system-aarch64 \
		$$ACCEL \
		-M virt -cpu cortex-a72 \
		-m 2048 -smp 4 \
		-bios /usr/share/AAVMF/AAVMF_CODE.fd \
		-drive file=finished/rpi4/rpi4.img,format=raw,if=virtio \
		-device virtio-gpu-pci \
		-device usb-ehci -device usb-kbd -device usb-mouse \
		-netdev user,id=net0 \
		-device virtio-net-pci,netdev=net0 \
		-serial stdio

# ── test-bios-arm64: Boot ARM64 direct kernel (RPi4 style) ───────
test-bios-arm64:
	@echo "Testing ArkOS ARM64 direct kernel boot (host: $(HOST_ARCH))..."
	@if [ "$(HOST_ARCH)" = "aarch64" ] || [ "$(HOST_ARCH)" = "arm64" ]; then \
		ACCEL="-enable-kvm"; \
	else \
		ACCEL="-accel tcg"; \
	fi; \
	qemu-system-aarch64 \
		$$ACCEL \
		-M raspi4b \
		-m 2048 \
		-kernel finished/rpi4/kernel8.img \
		-dtb kernel/prebuilts/bcm2711-rpi-4-b.dtb \
		-initrd finished/rpi4/initramfs.img \
		-append "console=ttyAMA0,115200 loglevel=0 logo.nologo quiet init=/init rw vt.global_cursor_default=0" \
		-serial mon:stdio \
		-usb -device usb-kbd -device usb-mouse \
		-device usb-net,netdev=net0 \
		-netdev user,id=net0

# ═══════════════════════════════════════════════════════════════════
#  ARM64 (Raspberry Pi 4) Binary Compilation Targets
# ═══════════════════════════════════════════════════════════════════
#  These are invoked by tools/build via `make -C <arkos-dir> <target>`
#  when building with --device rpi4.
#  All C/C++ compilation uses clang with --target=aarch64-linux-gnu.
# ═══════════════════════════════════════════════════════════════════

# ── ARM64 fb_helper.o — Framebuffer ioctl bridge ─────────────────
out_staging/rpi4/fb_helper.o: system/core/fb_helper.c
	@mkdir -p out_staging/rpi4
	$(ARM64_CC) -c system/core/fb_helper.c -o out_staging/rpi4/fb_helper.o

# ── ARM64 ArkFontRobotoBoldData.o — Font data ────────────────────
out_staging/rpi4/ArkFontRobotoBoldData.o: arkrt/ark.display.graphics/ArkFontRobotoBoldData.c
	@mkdir -p out_staging/rpi4
	$(ARM64_CC) -O3 -c arkrt/ark.display.graphics/ArkFontRobotoBoldData.c -o out_staging/rpi4/ArkFontRobotoBoldData.o

# ── ARM64 init — PID 1 process ───────────────────────────────────
out_staging/rpi4/init: system/core/init.c vendor/verify/sha256.c
	@mkdir -p out_staging/rpi4
	$(ARM64_CC) -static vendor/verify/sha256.c system/core/init.c \
		-Ivendor/verify -DARK_KEY=\""$(ARK_KEY)"\" \
		-o out_staging/rpi4/init

SWIFT_AARCH64_SDK := $(shell if [ -d $(HOME)/.swiftpm/swift-sdks/swift-6.3.2-RELEASE_static-linux.artifactbundle/swift-6.3.2-RELEASE_static-linux-0.1.0/swift-linux-musl/musl-1.2.5.sdk/aarch64 ]; then \
	echo $(HOME)/.swiftpm/swift-sdks/swift-6.3.2-RELEASE_static-linux.artifactbundle/swift-6.3.2-RELEASE_static-linux-0.1.0/swift-linux-musl/musl-1.2.5.sdk/aarch64; \
	else echo $(CURDIR)/prebuilts/Swift/swift-6.3.2-RELEASE_static-linux-0.1.0/swift-linux-musl/musl-1.2.5.sdk/aarch64; fi)
SWIFT_AARCH64_LIB := $(SWIFT_AARCH64_SDK)/usr/lib/swift_static/linux-static
SWIFT_AARCH64_LINK := $(ARM64_CC) -static \
	$(SWIFT_AARCH64_LIB)/aarch64/swiftrt.o \
	$(CURDIR)/prebuilts/mimalloc.o \
	-L$(SWIFT_AARCH64_SDK)/usr/lib \
	-L$(SWIFT_AARCH64_LIB)

# Foundation and other modules live in swift_static/ which swiftc doesn't
# auto-search. We must add explicit -I flags for module discovery.
SWIFT_AARCH64_SWIFTC := swiftc -c -whole-module-optimization -O \
	-package-name arkos \
	-target aarch64-swift-linux-musl -target-cpu cortex-a72 \
	-Xcc -mno-outline-atomics \
	-sdk $(SWIFT_AARCH64_SDK) \
	-I $(SWIFT_AARCH64_LIB) \
	-I $(SWIFT_AARCH64_LIB)/aarch64

SWIFT_AARCH64_LIBS := -Wl,--start-group -lswiftCore -lswiftMusl -lswiftDispatch -ldispatch -lBlocksRuntime \
	-lFoundation -lFoundationEssentials -l_FoundationCShims -l_FoundationCollections \
	-l_FoundationICU -lFoundationInternationalization -lFoundationNetworking -lFoundationXML \
	-lCoreFoundation -l_CFURLSessionInterface -l_CFXMLInterface -lswift_Concurrency \
	-lswiftRuntime -lswift_StringProcessing -lswiftSynchronization -lswift_RegexParser \
	-lfts -lunwind -lc++ -lc++abi -lc -Wl,--end-group -lpthread -ldl -lm

# ── ARM64 arkrt — ArkOS Runtime Daemon ───────────────────────────
out_staging/rpi4/early_init.o: arkrt/early_init.c
	@mkdir -p out_staging/rpi4
	$(ARM64_CC) -c arkrt/early_init.c -o out_staging/rpi4/early_init.o

out_staging/rpi4/graphics_c_built: $(TOOLS)/build_graphics_c.sh
	@mkdir -p out_staging/rpi4
	$(TOOLS)/build_graphics_c.sh aarch64 "$(ARM64_CC)" out_staging/rpi4
	touch out_staging/rpi4/graphics_c_built

WAYLAND_OBJS_ARM = out_staging/rpi4/wl_client.o out_staging/rpi4/wl_os.o out_staging/rpi4/wl_util.o out_staging/rpi4/wl_conn.o out_staging/rpi4/wl_proto.o out_staging/rpi4/wl_ffi.o out_staging/rpi4/wl_server.o out_staging/rpi4/wl_event_loop.o out_staging/rpi4/wl_shm.o out_staging/rpi4/xdg_shell.o
DRM_OBJS_ARM = out_staging/rpi4/drm1.o out_staging/rpi4/drm2.o out_staging/rpi4/drm3.o out_staging/rpi4/drm4.o out_staging/rpi4/drm5.o

out_staging/rpi4/arkrt: $(shell find arkrt -name "*.swift") out_staging/rpi4/early_init.o out_staging/rpi4/graphics_c_built
	@mkdir -p out_staging/rpi4
	@$(SWIFT_AARCH64_SWIFTC) -I arkrt/wayland/src -I arkrt/libdrm -I arkrt/libdrm/include/drm -Xcc -fmodule-map-file=arkrt/wayland/src/module.modulemap -Xcc -fmodule-map-file=arkrt/libdrm/module.modulemap $(filter %.swift,$^) -o out_staging/rpi4/arkrt.o && \
		$(SWIFT_AARCH64_LINK) out_staging/rpi4/arkrt.o out_staging/rpi4/early_init.o $(WAYLAND_OBJS_ARM) $(DRM_OBJS_ARM) -o $@ $(SWIFT_AARCH64_LIBS) || \
		echo "  \033[1;33m[NOTICE]\033[0m Swift aarch64 target stdlib missing. Skipping arkrt (ARM64) binary."

# ── ARM64 ui_daemon — Display Compositor ─────────────────────────
out_staging/rpi4/system/ui_daemon: system/display/main.swift system/display/splash.swift out_staging/rpi4/fb_helper.o
	@mkdir -p out_staging/rpi4/system
	@$(SWIFT_AARCH64_SWIFTC) system/display/main.swift system/display/splash.swift -o out_staging/rpi4/system/ui_daemon.o && \
		$(SWIFT_AARCH64_LINK) out_staging/rpi4/system/ui_daemon.o out_staging/rpi4/fb_helper.o -o $@ $(SWIFT_AARCH64_LIBS) || \
		echo "  \033[1;33m[NOTICE]\033[0m Swift aarch64 target stdlib missing. Skipping ui_daemon (ARM64) binary."


# ═══════════════════════════════════════════════════════════════════
#  x86_64 Binary Compilation Targets
# ═══════════════════════════════════════════════════════════════════
#  These are invoked by tools/build via `make -C <arkos-dir> <target>`.
#  All C/C++ compilation uses clang.
# ═══════════════════════════════════════════════════════════════════

# Extract the Verified Boot signing key from vendor config
ARK_KEY := $(shell if [ -f vendor/verify/securebuild.ark ]; then \
	grep "^ARK-OS-" vendor/verify/securebuild.ark | tr -d '[:space:]'; \
	else echo "NO_KEY"; fi)

SWIFT_X86_64_SDK := $(CURDIR)/prebuilts/Swift/swift-6.3.2-RELEASE_static-linux-0.1.0/swift-linux-musl/musl-1.2.5.sdk/x86_64
SWIFT_X86_64_LIB := $(SWIFT_X86_64_SDK)/usr/lib/swift_static/linux-static
SWIFT_X86_64_SWIFTC := swiftc -O -package-name arkos -static-executable -target x86_64-swift-linux-musl -sdk $(SWIFT_X86_64_SDK) -resource-dir $(SWIFT_X86_64_SDK)/usr/lib/swift_static -I $(SWIFT_X86_64_LIB) -I $(SWIFT_X86_64_LIB)/x86_64 -I system/modules

# ── fb_helper.o — Framebuffer ioctl bridge (C → Swift interop) ────
out_staging/fb_helper.o: system/core/fb_helper.c
	$(X86_CC) -c system/core/fb_helper.c -o out_staging/fb_helper.o

# ── arkrt — ArkOS Runtime Daemon (PID 2) ──────────────────────────
ARKRT_SRCS := $(shell find arkrt -name "*.swift" | grep -v "\.docc" | grep -v "MetricsTestKit")



out_staging/early_init.o: arkrt/early_init.c
	$(X86_CC) -c arkrt/early_init.c -o out_staging/early_init.o

out_staging/graphics_c_built: $(TOOLS)/build_graphics_c.sh
	$(TOOLS)/build_graphics_c.sh x86_64 "$(CLANG) --target=x86_64-linux-musl --sysroot=$(SWIFT_X86_64_SDK)" out_staging
	touch out_staging/graphics_c_built

out_staging/ark_wayland_server.o: arkrt/ark.display.graphics/ark_wayland_server.c
	$(X86_CC) -c arkrt/ark.display.graphics/ark_wayland_server.c -o out_staging/ark_wayland_server.o -I arkrt/libdrm -I arkrt/libdrm/include/drm -I arkrt/wayland/src -I arkrt/libinput/src -I arkrt/libxkbcommon/include/xkbcommon

out_staging/ark_wayland_client.o: arkrt/ark.display.graphics/ark_wayland_client.c
	$(X86_CC) -c arkrt/ark.display.graphics/ark_wayland_client.c -o out_staging/ark_wayland_client.o -I arkrt/libdrm -I arkrt/libdrm/include/drm -I arkrt/wayland/src -I arkrt/libinput/src -I arkrt/libxkbcommon/include/xkbcommon

out_staging/CSystem.o: arkrt/swift-system/CSystem/shims.c
	$(X86_CC) -c arkrt/swift-system/CSystem/shims.c -o out_staging/CSystem.o -I arkrt/swift-system/CSystem/include

WAYLAND_OBJS_X86 = out_staging/wl_client.o out_staging/wl_os.o out_staging/wl_util.o out_staging/wl_conn.o out_staging/wl_proto.o out_staging/wl_ffi.o out_staging/wl_server.o out_staging/wl_event_loop.o out_staging/wl_shm.o out_staging/xdg_shell.o
DRM_OBJS_X86 = out_staging/drm1.o out_staging/drm2.o out_staging/drm3.o out_staging/drm4.o out_staging/drm5.o

out_staging/arkrt: $(ARKRT_SRCS) out_staging/early_init.o out_staging/ark_wayland_server.o out_staging/ark_wayland_client.o out_staging/CSystem.o out_staging/ArkFontRobotoBoldData.o out_staging/graphics_c_built
	$(SWIFT_X86_64_SWIFTC) -I arkrt/wayland/src -I arkrt/libdrm -I arkrt/libdrm/include -I arkrt/libdrm/include/drm -Xcc -fmodule-map-file=arkrt/wayland/src/module.modulemap -Xcc -fmodule-map-file=arkrt/libdrm/module.modulemap -I arkrt/swift-system/CSystem/include -Xcc -fmodule-map-file=arkrt/swift-system/CSystem/include/module.modulemap $(ARKRT_SRCS) out_staging/early_init.o out_staging/ark_wayland_server.o out_staging/ark_wayland_client.o out_staging/CSystem.o out_staging/ArkFontRobotoBoldData.o $(WAYLAND_OBJS_X86) $(DRM_OBJS_X86) -o out_staging/arkrt

out_staging/init: system/core/init.c vendor/verify/sha256.c
	$(X86_CC) -static vendor/verify/sha256.c system/core/init.c \
		-Ivendor/verify -DARK_KEY=\""$(ARK_KEY)"\" \
		-o out_staging/init

# ── Bootloader binaries (BIOS + UEFI) ────────────────────────────
out_staging/bootloader.bin: boot/source/bootloader.asm
	nasm -f bin boot/source/bootloader.asm -o out_staging/bootloader.bin

out_staging/stage2.bin: boot/source/stage2.asm
	nasm -f bin boot/source/stage2.asm -o out_staging/stage2.bin

out_staging/BOOTX64.EFI: boot/source/bootloader.c
	$(X86_CC) -I/usr/include/efi -I/usr/include/efi/x86_64 -I/usr/include/efi/protocol \
		-fno-stack-protector -fpic -fshort-wchar -mno-red-zone -DEFI_FUNCTION_WRAPPER \
		-c boot/source/bootloader.c -o out_staging/bootloader_uefi.o
	ld -nostdlib -znocombreloc -T /usr/lib/elf_x86_64_efi.lds -shared -Bsymbolic \
		/usr/lib/crt0-efi-x86_64.o out_staging/bootloader_uefi.o \
		-o out_staging/bootloader_uefi.so -lgnuefi -lefi -L/usr/lib
	objcopy -j .text -j .sdata -j .data -j .rodata -j .dynamic -j .dynsym \
		-j .rel -j .rela -j .reloc -j .eh_frame \
		-O efi-app-x86_64 out_staging/bootloader_uefi.so out_staging/BOOTX64.EFI

# ── ui_daemon — Display Compositor ─────────────────────────────────
out_staging/system/ui_daemon: system/display/main.swift system/display/splash.swift system/display/wayland_client.swift arkrt/compositor/WireProtocol.swift arkrt/compositor/ArkSocket.swift arkrt/ArkSys/*.swift
	@mkdir -p out_staging/system
	@$(SWIFT_X86_64_SWIFTC) \
		system/display/main.swift system/display/splash.swift system/display/wayland_client.swift arkrt/compositor/WireProtocol.swift arkrt/compositor/ArkSocket.swift arkrt/ArkSys/ArkSys.swift arkrt/ArkSys/ArkSysFile.swift arkrt/ArkSys/ArkSysTime.swift \
		-o out_staging/system/ui_daemon

# ── setup_app — Setup / Welcome app ────────────────────────────────
UI_BASIC_SRCS := $(shell find arkrt/ark.ui.basic -name "*.swift" -type f | grep -v "\.docc" | grep -v "ArkGraphicsBackend") arkrt/ark.sys.libc/ArkCInterop.swift arkrt/ark.sys.proc/ArkUtils.swift
out_staging/system/ui_test: setup_app/setup_app.swift arkrt/ark.ui.basic/Sources/Backend/GtkBackend.swift $(UI_BASIC_SRCS) out_staging/ArkFontRobotoBoldData.o out_staging/CSystem.o
	@mkdir -p out_staging/system
	@$(SWIFT_X86_64_SWIFTC) -I arkrt/swift-system/CSystem/include -Xcc -fmodule-map-file=arkrt/swift-system/CSystem/include/module.modulemap setup_app/setup_app.swift $(UI_BASIC_SRCS) out_staging/CSystem.o -o out_staging/system/ui_test

out_staging/ArkFontRobotoBoldData.o: arkrt/ark.display.graphics/ArkFontRobotoBoldData.c
	@mkdir -p out_staging
	@$(X86_CC) -O3 -c arkrt/ark.display.graphics/ArkFontRobotoBoldData.c -o out_staging/ArkFontRobotoBoldData.o