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# shellcheck shell=sh disable=SC2046,SC2091,SC2086,SC2155
# NOTE: $(VAR) in this file is MAKE syntax, not shell substitution.
export TARGET=x86_64-unknown-uefi
export PROFILE=debug
export OUT_DIR=target/$(TARGET)/$(PROFILE)
export ESP_DIR=esp
export KERNEL=$(OUT_DIR)/rsdos.efi
export BZIMAGE=$(ESP_DIR)/bzImage
export INITRD=$(ESP_DIR)/initramfs.cpio.gz
export BOOTLOADER=rsboot/rsboot.efi
export OVMF=/usr/share/edk2/x64/OVMF.4m.fd
export BOOT_EFI=$(ESP_DIR)/EFI/BOOT/BOOTX64.EFI
# Attach the single dd-able system image as the SATA drive (ide.0).
# Create/re-create with: make system-fresh (or: ./scripts/mksystem.sh --force)
export SYSTEM_IMG ?= /tmp/system.img
# ---- Build ---------------------------------------------------------------
.PHONY: all run run-gui clean image debug release fmt bootloader boot-image system system-fresh inspect test-disk test-mouse test-gfx test-fault test-msg
release: PROFILE=release
release: export PROFILE=release
release: export OUT_DIR=target/$(TARGET)/release
release: CARGO_FLAGS=--release
release: all
# shellcheck disable=SC2034
CARGO_FLAGS=
$(OUT_DIR)/rsdos.efi: $(shell find rsnix shell rsdos -name '*.rs') Cargo.toml rsnix/Cargo.toml shell/Cargo.toml rsdos/Cargo.toml
cargo build --package rsdos --target $(TARGET) $(CARGO_FLAGS)
$(BZIMAGE): $(KERNEL) | $(ESP_DIR)
cp "$<" "$@"
$(ESP_DIR):
mkdir -p $(ESP_DIR)
$(INITRD): | $(ESP_DIR)
printf '' | gzip > "$@"
# ---- QEMU runners --------------------------------------------------------
run: all system
qemu-system-x86_64 \
-bios $(OVMF) \
-drive file=$(SYSTEM_IMG),format=raw,if=none,id=disk \
-device ide-hd,drive=disk,bus=ide.0 \
-serial stdio \
-m 256M \
-machine q35 \
-cpu qemu64 \
-no-reboot \
-display none
run-gui: all system
qemu-system-x86_64 \
-bios $(OVMF) \
-drive file=$(SYSTEM_IMG),format=raw,if=none,id=disk \
-device ide-hd,drive=disk,bus=ide.0 \
-serial stdio \
-m 256M \
-machine q35 \
-cpu qemu64 \
-no-reboot \
-vga std
# GDB stub on :1234
debug: all system
qemu-system-x86_64 \
-bios $(OVMF) \
-drive file=$(SYSTEM_IMG),format=raw,if=none,id=disk \
-device ide-hd,drive=disk,bus=ide.0 \
-serial stdio \
-m 256M \
-machine q35 \
-cpu qemu64 \
-no-reboot \
-display none \
-s -S
# Boot from a raw disk image (delegates to boot-image.sh which builds the
# full chain if the image doesn't exist yet)
run-image: all
# ---- System image --------------------------------------------------------
# One dd-able FAT32 image: kernel + ESP + /etc + /bin + seed data.
# Stamp rule: rebuilt only when the kernel or this script changes — an
# up-to-date image is NEVER touched, so files written at runtime survive.
system:
@if [ ! -f "$(SYSTEM_IMG)" ] || [ "$$(stat -c %Y $(BZIMAGE) 2>/dev/null || echo 0)" -gt "$$(stat -c %Y $(SYSTEM_IMG) 2>/dev/null || echo 0)" ]; then \
./scripts/mksystem.sh --force "$(SYSTEM_IMG)"; \
else \
echo "system image up to date: $(SYSTEM_IMG)"; \
fi
# Re-create the system image from scratch (wipes runtime data).
system-fresh:
./scripts/mksystem.sh --force "$(SYSTEM_IMG)"
# List the system image contents with mtools (requires mtools).
inspect:
@command -v mdir >/dev/null 2>&1 || (echo "inspect needs mtools: sudo apt install mtools"; exit 1)
@mdir -i "$(SYSTEM_IMG)" ::
# Full automated round trip: build -> boot -> shell commands -> poweroff
# -> fsck + mtools verification.
test-disk:
./scripts/test-disk.sh
# Automated PS/2 mouse round trip: boot -> inject mouse_move/mouse_button
# via the monitor -> verify /dev/mouse + the `mouse` stream -> poweroff.
test-mouse:
./scripts/test-mouse.sh
test-gfx:
./scripts/test-gfx.sh
# Fault-diagnostics round trip: boot -> `fault` (deliberate page fault) ->
# verify the full dump (vec/err/rip/cr2/task) hits serial + screen -> halt.
test-fault:
./scripts/test-fault.sh
# Automated scheduler message-queue round trip: msgrecv/send, real-input
# routing into a task's queue, queue-full boundary.
test-msg:
./scripts/test-msg.sh
# ---- Full boot chain -----------------------------------------------------
# Build bootloader only (rsboot submodule)
bootloader:
./scripts/build-bootloader.sh
# Build the full boot chain disk image (kernel + bootloader)
image: all
./scripts/mksystem.sh --chain rs-dos.img
# Boot the full chain disk image (builds it first if needed)
boot-image: all
./scripts/boot-image.sh rs-dos.img
# ---- Utilities -----------------------------------------------------------
fmt:
cargo fmt
clean:
cargo clean
rm -rf $(ESP_DIR)
help:
@echo "rs-dos — Make targets"
@echo ""
@echo " make build kernel + ESP (default)"
@echo " make release build with --release (smaller binary)"
@echo " make bootloader build rsboot from source"
@echo " make image build full chain disk image (bootloader + kernel)"
@echo " make boot-image build + boot full chain via QEMU"
@echo " make run QEMU serial console (direct boot, no bootloader)"
@echo " make system create the system image if stale/missing (/tmp/system.img)"
@echo " make system-fresh re-create the system image (wipes runtime data)"
@echo " make inspect list system image contents (mtools)"
@echo " make test-disk automated disk round trip (build->boot->fsck)"
@echo " make clean remove build artifacts"
@echo " make fmt format Rust source"
@echo " ./scripts/mksystem.sh build the dd-able system image"
@echo " ./scripts/boot.sh quick direct boot (dev loop)"
@echo " ./scripts/test-disk.sh automated disk round trip"
@echo " ./scripts/sendkeys.py type into QEMU via the monitor"
@echo " ./scripts/boot-image.sh boot full chain (builds if needed)"
@echo " ./scripts/build-bootloader.sh build rsboot from source"
@echo " ./scripts/qemu.sh flexible QEMU launcher"
@echo " ./scripts/debug-kernel.py GDB plugin (attach after 'make debug')"
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