123 lines
3.6 KiB
Makefile
Executable File
123 lines
3.6 KiB
Makefile
Executable File
# Copyright (C) 2025 Elaina Claus
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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INCDIR := include
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BUILD_DIR := build
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IMG := $(BUILD_DIR)/disk.img
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IMGZ := $(BUILD_DIR)/disk.img.gz
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DEP_DIR := $(BUILD_DIR)/deps
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# Get current Git version (tag) and hash
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GIT_VERSION := $(shell git describe --tags --always --dirty 2>/dev/null || echo unknown)
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GIT_HASH := $(shell git rev-parse HEAD 2>/dev/null || echo unknown)
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GIT_NASM_DEFINES := -D __GIT_VER__='"$(GIT_VERSION)"' -D __GIT_HASH__='"$(GIT_HASH)"'
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NASMFLAGS := -Wall -f bin -i$(INCDIR)/ $(GIT_NASM_DEFINES)
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QEMU ?= qemu-system-i386
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QEMU_ARGS := \
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-M pc-i440fx-8.2,accel=tcg \
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-cpu pentium3 \
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-m 64M \
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-rtc base=localtime \
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-boot c \
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-vga std \
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-display gtk,gl=off \
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-device e1000,netdev=n0,mac=52:54:00:12:34:56 \
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-netdev user,id=n0 \
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-device piix3-usb-uhci \
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-device usb-ohci,id=ohci0 \
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-device usb-ehci,id=ehci0 \
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-device pcspk \
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-parallel null \
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-serial null -serial none -serial none -serial none \
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-chardev file,id=dbg,path=bochs-e9.log,append=on \
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-device isa-debugcon,iobase=0xe9,chardev=dbg \
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-msg timestamp=on
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MBR_SRCS := $(wildcard src/mbr/*.nasm)
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VBR_SRCS := $(wildcard src/vbr/*.nasm)
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STAGE2_SRCS := $(wildcard src/stage2/*.nasm)
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BOOTTEST_SRCS := $(wildcard src/miniboot32/*.nasm)
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MBR_BINS := $(patsubst src/mbr/%.nasm, $(BUILD_DIR)/mbr/%.bin, $(MBR_SRCS))
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VBR_BINS := $(patsubst src/vbr/%.nasm, $(BUILD_DIR)/vbr/%.bin, $(VBR_SRCS))
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STAGE2_BINS := $(patsubst src/stage2/%.nasm, $(BUILD_DIR)/stage2/%.bin, $(STAGE2_SRCS))
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BOOTTEST_BINS := $(patsubst src/miniboot32/%.nasm, $(BUILD_DIR)/miniboot32/%.bin, $(BOOTTEST_SRCS))
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ALL_BINS := $(MBR_BINS) $(VBR_BINS) $(STAGE2_BINS) $(BOOTTEST_BINS)
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.DEFAULT_GOAL := all
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.DELETE_ON_ERROR:
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.PHONY: all mbr vbr stage2 boottest clean run run_qemu run_bochs img imgz help
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all: $(IMG) $(IMGZ) $(ALL_BINS)
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mbr: $(MBR_BINS)
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vbr: $(VBR_BINS)
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stage2: $(STAGE2_BINS)
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boottest: $(BOOTTEST_BINS)
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# Build Rules
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$(BUILD_DIR)/mbr/%.bin: src/mbr/%.nasm | $(DEP_DIR)
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@mkdir -p $(@D)
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@nasm $(NASMFLAGS) -MD $(DEP_DIR)/$*.d -MT $@ $< -o $@
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$(BUILD_DIR)/vbr/%.bin: src/vbr/%.nasm | $(DEP_DIR)
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@mkdir -p $(@D)
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@nasm $(NASMFLAGS) -MD $(DEP_DIR)/$*.d -MT $@ $< -o $@
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$(BUILD_DIR)/stage2/%.bin: src/stage2/%.nasm | $(DEP_DIR)
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@mkdir -p $(@D)
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@nasm $(NASMFLAGS) -MD $(DEP_DIR)/$*.d -MT $@ $< -o $@
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$(BUILD_DIR)/miniboot32/%.bin: src/miniboot32/%.nasm | $(DEP_DIR)
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@mkdir -p $(@D)
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@nasm $(NASMFLAGS) -MD $(DEP_DIR)/$*.d -MT $@ $< -o $@
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$(DEP_DIR):
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@mkdir -p $@
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# Disk image's
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$(IMG): $(ALL_BINS) | scripts/create-disk.sh
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@scripts/create-disk.sh
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$(IMGZ): $(IMG)
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@gzip -9kc $(IMG) > $(IMGZ)
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img: $(IMG)
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@file $(IMG)
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imgz: $(IMGZ)
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@file $(IMGZ)
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# Helpers
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run: $(IMG)
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@$(QEMU) $(QEMU_OPTS) -drive file=$(IMG),if=ide,index=0,media=disk,format=raw \
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run_bochs: $(IMG)
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@bochs -q
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clean:
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@$(RM) -rv $(BUILD_DIR)/
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help:
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@awk '/^[A-Za-z0-9_%-]+:/{print $$1}' $(MAKEFILE_LIST) | sed 's/:$$//' | sort -u
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# Include header deps
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-include $(wildcard $(DEP_DIR)/*.d) |