RarDog
eed05c1eca
- Implement Limine v8 boot protocol requests in dedicated PT_LOAD RW segment - Configure IOPL=3 and SSE in arch setup for Ring 3 drivers and libc - Unify scheduler context switching via switch_to and preempt_tick - Support dual-source keyboard/serial input in sys_key_read - Add automated 'make image' and 'make run' targets for instant QEMU launch - Complete interactive UNIX-like shell (osh) with built-in commands & ramdisk
170 lines
6.8 KiB
Makefile
170 lines
6.8 KiB
Makefile
# opencoreC - Root Unified Makefile
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# Target Architecture: x86_64 Long Mode (Microkernel OS)
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SHELL := /usr/bin/env bash
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# Toolchain definitions
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CC := gcc
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CXX := g++
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LD := ld
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CARGO := cargo
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QEMU := qemu-system-x86_64
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# Directory layout
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BUILD_DIR := build
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CONFIG_DIR := config
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INCLUDE_DIR := include
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LIB_DIR := lib
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HAL_DIR := hal
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SERVERS_DIR := servers
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KERNEL_DIR := kernel
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LIMINE_DIR := boot/limine
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# Common Freestanding Flags
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COMMON_FLAGS := -Wall -Wextra -O2 -ffreestanding -fno-stack-protector \
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-fno-pie -no-pie -mno-red-zone -m64 \
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-mno-sse -mno-sse2 -mno-avx \
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-I$(INCLUDE_DIR) -I$(LIB_DIR)/libc/include
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CFLAGS := $(COMMON_FLAGS) -std=c11
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CXXFLAGS := $(COMMON_FLAGS) -std=c++20 -fno-exceptions -fno-rtti -I$(LIB_DIR)/libipc_cpp/include
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# Outputs
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KERNEL_BIN := target/x86_64-unknown-none/release/opencore_kernel
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KERNEL_ELF := $(BUILD_DIR)/opencore_kernel.elf
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INIT_SERVER := $(BUILD_DIR)/init_server.elf
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UART_DRIVER := $(BUILD_DIR)/uart_driver.elf
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SH_SERVER := $(BUILD_DIR)/sh.elf
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PROCMGR := $(BUILD_DIR)/procmgr.elf
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DISK_IMG := $(BUILD_DIR)/opencoreC.img
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LIBC_OBJS := $(BUILD_DIR)/string.o $(BUILD_DIR)/syscalls.o $(BUILD_DIR)/stdlib.o
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.PHONY: all kernel libc hal servers image run clean help limine-setup
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all: kernel libc hal servers
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@mkdir -p $(BUILD_DIR)
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@cp $(KERNEL_BIN) $(KERNEL_ELF)
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@echo "======================================================="
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@echo " [SUCCESS] opencoreC Build Complete!"
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@echo " Kernel: $(KERNEL_ELF)"
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@echo " Servers: $(INIT_SERVER), $(UART_DRIVER), $(SH_SERVER)"
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@echo " Run: make image && make run"
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@echo "======================================================="
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kernel:
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@echo "[CARGO] Compiling Rust Microkernel (x86_64-unknown-none)..."
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@RUSTFLAGS="-C link-arg=-T$(CONFIG_DIR)/linker.ld -C code-model=kernel -C relocation-model=static" \
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$(CARGO) build --package opencore_kernel --target x86_64-unknown-none --release
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libc:
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@mkdir -p $(BUILD_DIR)
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@echo "[CC] Compiling bare-metal freestanding libc..."
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@$(CC) $(CFLAGS) -c $(LIB_DIR)/libc/src/string.c -o $(BUILD_DIR)/string.o
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@$(CC) $(CFLAGS) -c $(LIB_DIR)/libc/src/syscalls.c -o $(BUILD_DIR)/syscalls.o
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@$(CC) $(CFLAGS) -c $(LIB_DIR)/libc/src/stdlib.c -o $(BUILD_DIR)/stdlib.o
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hal: libc
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@mkdir -p $(BUILD_DIR)
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@echo "[CC] Compiling HAL and Hardware Drivers..."
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@$(CC) $(CFLAGS) -I$(HAL_DIR)/include -c $(HAL_DIR)/src/uart.c -o $(BUILD_DIR)/uart.o
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@$(CC) $(CFLAGS) -I$(HAL_DIR)/include -c $(HAL_DIR)/src/pci.c -o $(BUILD_DIR)/pci.o
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@$(CC) $(CFLAGS) -I$(HAL_DIR)/include -c $(HAL_DIR)/src/apic.c -o $(BUILD_DIR)/apic.o
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servers: libc hal
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@mkdir -p $(BUILD_DIR)
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@echo "[CXX/CC] Linking Ring 3 User-space Servers..."
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@# C++ LibIPC
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@$(CXX) $(CXXFLAGS) -c $(LIB_DIR)/libipc_cpp/src/ipc.cpp -o $(BUILD_DIR)/ipc.o
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@# Init Root Server
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@$(CXX) $(CXXFLAGS) -c $(SERVERS_DIR)/init/main.cpp -o $(BUILD_DIR)/init_main.o
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@$(LD) -T $(CONFIG_DIR)/user.ld -nostdlib -static -o $(INIT_SERVER) \
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$(BUILD_DIR)/init_main.o $(BUILD_DIR)/ipc.o $(LIBC_OBJS)
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@# Standalone UART Driver Server
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@$(CC) $(CFLAGS) -I$(HAL_DIR)/include -c $(SERVERS_DIR)/uart_driver/main.c -o $(BUILD_DIR)/uart_driver_main.o
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@$(LD) -T $(CONFIG_DIR)/user.ld -nostdlib -static -o $(UART_DRIVER) \
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$(BUILD_DIR)/uart_driver_main.o $(BUILD_DIR)/uart.o $(LIBC_OBJS)
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@# Interactive Shell
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@$(CXX) $(CXXFLAGS) -c $(SERVERS_DIR)/sh/main.cpp -o $(BUILD_DIR)/sh_main.o
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@$(LD) -T $(CONFIG_DIR)/user.ld -nostdlib -static -o $(SH_SERVER) \
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$(BUILD_DIR)/sh_main.o $(BUILD_DIR)/ipc.o $(LIBC_OBJS)
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@# Process Manager Daemon
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@$(CXX) $(CXXFLAGS) -c $(SERVERS_DIR)/procmgr/main.cpp -o $(BUILD_DIR)/procmgr_main.o
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@$(LD) -T $(CONFIG_DIR)/user.ld -nostdlib -static -o $(PROCMGR) \
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$(BUILD_DIR)/procmgr_main.o $(BUILD_DIR)/ipc.o $(LIBC_OBJS)
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# Download and build the Limine bootloader host tool
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limine-setup:
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@if [ ! -d "$(LIMINE_DIR)" ]; then \
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echo "[LIMINE] Cloning Limine v8 binary branch..."; \
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git clone https://github.com/limine-bootloader/limine.git --branch=v8.x-binary --depth=1 $(LIMINE_DIR); \
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fi
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@echo "[LIMINE] Building host installer tool..."
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@$(MAKE) -C $(LIMINE_DIR) limine
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# Build a 64 MiB bootable FAT32 disk image with Limine BIOS/UEFI
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image: all limine-setup
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@echo "[IMAGE] Creating bootable disk image (64 MiB FAT32)..."
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@dd if=/dev/zero of=$(DISK_IMG) bs=1M count=64 2>/dev/null
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@parted -s $(DISK_IMG) mklabel msdos mkpart primary fat32 2048s 100% set 1 boot on 2>/dev/null
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@mformat -F -i $(DISK_IMG)@@1M ::
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@mmd -i $(DISK_IMG)@@1M ::/boot ::/EFI ::/EFI/BOOT
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@# Kernel and userspace servers
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@mcopy -i $(DISK_IMG)@@1M $(KERNEL_ELF) ::/boot/
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@mcopy -i $(DISK_IMG)@@1M $(INIT_SERVER) ::/boot/
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@mcopy -i $(DISK_IMG)@@1M $(UART_DRIVER) ::/boot/
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@mcopy -i $(DISK_IMG)@@1M $(SH_SERVER) ::/boot/
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@# Bootloader config
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@mcopy -i $(DISK_IMG)@@1M limine.conf ::/
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@mcopy -i $(DISK_IMG)@@1M limine.cfg ::/
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@mcopy -i $(DISK_IMG)@@1M limine.conf ::/boot/
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@mcopy -i $(DISK_IMG)@@1M limine.cfg ::/boot/
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@# Limine bootloader files
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@mcopy -i $(DISK_IMG)@@1M $(LIMINE_DIR)/limine-bios.sys ::/
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@mcopy -i $(DISK_IMG)@@1M $(LIMINE_DIR)/limine-bios.sys ::/boot/
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@mcopy -i $(DISK_IMG)@@1M $(LIMINE_DIR)/BOOTX64.EFI ::/EFI/BOOT/
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@# Install Limine Stage 1 into MBR
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@$(LIMINE_DIR)/limine bios-install $(DISK_IMG) 2>&1 | grep -v "^Physical\|^Installing\|^Stage\|^Reminder"
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@echo "[IMAGE] Done: $(DISK_IMG) (BIOS + UEFI bootable)"
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# Launch QEMU with serial terminal (keyboard works via -serial stdio)
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run: image
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@echo "[QEMU] Launching opencoreC (SMP 4 cores, Serial terminal)..."
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@echo "[QEMU] Type 'help' for commands. Ctrl+A X to exit QEMU."
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@echo "-------------------------------------------------------"
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@$(QEMU) \
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-M q35 \
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-smp 4 \
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-m 512M \
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-serial mon:stdio \
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-no-reboot \
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-display none \
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-drive file=$(DISK_IMG),format=raw
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# Run without rebuilding image (faster iteration)
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qemu: $(DISK_IMG)
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@echo "[QEMU] Quick launch from existing image..."
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@echo "[QEMU] Type 'help'. Ctrl+A X to exit."
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@$(QEMU) -M q35 -smp 4 -m 512M -serial mon:stdio -no-reboot -display none \
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-drive file=$(DISK_IMG),format=raw
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clean:
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@echo "[CLEAN] Removing build directory and cargo target..."
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@rm -rf $(BUILD_DIR) target
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help:
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@echo "opencoreC Microkernel Build System"
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@echo ""
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@echo "Targets:"
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@echo " make all - Build kernel, HAL, libc, and all user servers"
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@echo " make image - Create bootable disk image (build/opencoreC.img)"
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@echo " make run - Build image and launch in QEMU (interactive serial)"
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@echo " make qemu - Quick relaunch without rebuild"
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@echo " make limine-setup - Download/build Limine bootloader"
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@echo " make clean - Remove all build artifacts"
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@echo ""
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@echo "QEMU Controls:"
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@echo " Type commands in the terminal (serial I/O)"
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@echo " Ctrl+A then X -> exit QEMU"
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@echo " Ctrl+A then C -> QEMU monitor"
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