133 lines
4.5 KiB
Makefile
133 lines
4.5 KiB
Makefile
###################################################################################
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## Module Name: Makefile ##
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## Project: AurixOS ##
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## ##
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## Copyright (c) 2024 Jozef Nagy ##
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## ##
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## This source is subject to the MIT License. ##
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## See License.txt in the root of this repository. ##
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## All other rights reserved. ##
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## ##
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## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ##
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## IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ##
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## FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE ##
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## AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER ##
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## LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ##
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## OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE ##
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## SOFTWARE. ##
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###################################################################################
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.DEFAULT_GOAL := all
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INCLUDE_DIRS := include
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BUILD_DIR ?= build
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SYSROOT_DIR ?= sysroot
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KERNEL_FILE := $(BUILD_DIR)/axkrnl
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INCLUDE_DIRS := include \
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include/arch/$(ARCH) \
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include/platform/$(PLATFORM)
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DEFINES := __$(ARCH)__
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KERNEL_AS := $(ARCH)-elf-gcc
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KERNEL_CC := $(ARCH)-elf-gcc
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KERNEL_LD := $(ARCH)-elf-ld
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KERNEL_OBJCOPY := $(ARCH)-elf-objcopy
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KERNEL_ASFLAGS := $(foreach d, $(INCLUDE_DIRS), -I$d) \
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$(foreach d, $(DEFINES), -D$d)
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KERNEL_CFLAGS := $(foreach d, $(INCLUDE_DIRS), -I$d) \
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$(foreach d, $(DEFINES), -D$d) \
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-D__$(ARCH) \
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-std=c99 \
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-ffreestanding \
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-fno-omit-frame-pointer \
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-fno-stack-protector \
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-fno-stack-check \
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-fno-pie \
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-MMD \
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-MP
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KERNEL_LDFLAGS := -Tarch/$(ARCH)/linker.ld \
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-nostdlib \
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-static \
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-no-pie
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ifeq ($(BUILD_TYPE),debug)
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KERNEL_CFLAGS += -O0 -g3
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else
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KERNEL_CFLAGS += -O2
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endif
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KERNEL_CFILES := $(shell find . -type d \( -name arch -o -name platform \) -prune -o -name '*.c' -print)
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KERNEL_ARCH_CFILES := $(shell find arch/$(ARCH) -name '*.c')
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KERNEL_ARCH_ASFILES := $(shell find arch/$(ARCH) -name '*.S')
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KERNEL_PLATFORM_CFILES := $(shell find platform/$(PLATFORM) -name '*.c')
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KERNEL_PLATFORM_ASFILES := $(shell find platform/$(PLATFORM) -name '*.S')
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KERNEL_OBJ := $(KERNEL_CFILES:%.c=$(BUILD_DIR)/kernel/%.c.o) \
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$(KERNEL_ARCH_CFILES:arch/$(ARCH)/%.c=$(BUILD_DIR)/kernel/arch/%.c.o) \
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$(KERNEL_ARCH_ASFILES:arch/$(ARCH)/%.S=$(BUILD_DIR)/kernel/arch/%.S.o) \
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$(KERNEL_PLATFORM_CFILES:platform/$(PLATFORM)/%.c=$(BUILD_DIR)/kernel/platform/%.c.o) \
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$(KERNEL_PLATFORM_ASFILES:platform/$(PLATFORM)/%.S=$(BUILD_DIR)/kernel/platform/%.S.o)
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-include arch/$(ARCH)/config.mk
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-include $(wildcard $(BUILD_DIR)/kernel/*.d)
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$(KERNEL_FILE): $(KERNEL_OBJ)
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@mkdir -p $(@D)
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@printf " LD\t$(notdir $@)\n"
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@$(KERNEL_LD) $(KERNEL_LDFLAGS) $^ -o $@
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ifeq ($(BUILD_TYPE),debug)
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@printf " OBJCOPY axkrnl.sym\n"
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@$(KERNEL_OBJCOPY) --only-keep-debug $@ $(BUILD_DIR)/axkrnl.sym
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@$(KERNEL_OBJCOPY) --strip-debug --strip-unneeded $@
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endif
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$(BUILD_DIR)/kernel/%.c.o: %.c
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@mkdir -p $(@D)
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@printf " CC\t$<\n"
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@$(KERNEL_CC) $(KERNEL_CFLAGS) -c $< -o $@
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$(BUILD_DIR)/kernel/arch/%.c.o: arch/$(ARCH)/%.c
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@mkdir -p $(@D)
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@printf " CC\t$<\n"
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@$(KERNEL_CC) $(KERNEL_CFLAGS) -c $< -o $@
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$(BUILD_DIR)/kernel/arch/%.S.o: arch/$(ARCH)/%.S
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@mkdir -p $(@D)
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@printf " AS\t$<\n"
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@$(KERNEL_AS) $(KERNEL_ASFLAGS) -c $< -o $@
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$(BUILD_DIR)/kernel/platform/%.c.o: platform/$(PLATFORM)/%.c
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@mkdir -p $(@D)
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@printf " CC\t$<\n"
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@$(KERNEL_CC) $(KERNEL_CFLAGS) -c $< -o $@
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$(BUILD_DIR)/kernel/platform/%.S.o: platform/$(PLATFORM)/%.S
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@mkdir -p $(@D)
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@printf " AS\t$<\n"
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@$(KERNEL_AS) $(KERNEL_ASFLAGS) -c $< -o $@
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.PHONY: all
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all: kernel
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.PHONY: kernel
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kernel: $(KERNEL_FILE)
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.PHONY: install
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install: install-kernel
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.PHONY: install-kernel
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install-kernel: kernel
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@mkdir -p $(SYSROOT_DIR)/System
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@printf " INSTALL\t/System/$(notdir $(KERNEL_FILE))\n"
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@cp $(KERNEL_FILE) $(SYSROOT_DIR)/System
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.PHONY: clean
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clean:
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@rm -rf $(BUILD_DIR) $(SYSROOT_DIR)
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