Makefile

CC = ppc-amigaos-gcc
STRIP = ppc-amigaos-strip
BUILD_DATE := $(shell date +"%d.%m.%Y")
BUILD_TIME := $(shell date +"%H:%M")
CFLAGS = -O2 -Wall -Wextra -Wshadow -Wformat=2 -I./include -fno-tree-loop-distribute-patterns \
         -DBUILD_DATE='"$(BUILD_DATE)"' -DBUILD_TIME='"$(BUILD_TIME)"'
DEPFLAGS = -MMD -MP
# -Wl,-z,common-page-size=4096 -Wl,-z,max-page-size=4096 reduces wasted
# zero-padding between sections from 64KB-aligned to 4KB-aligned (~28KB
# saved on the final binary).
LDFLAGS = -nostartfiles -Wl,-z,common-page-size=4096 -Wl,-z,max-page-size=4096

DOCKER_IMAGE = walkero/amigagccondocker:os4-gcc11
DOCKER_RUN   = docker run --rm -v "$(shell pwd):/work" -w /work $(DOCKER_IMAGE)

BUILD_DIR = build
DEBUG_OBJ_DIR = $(BUILD_DIR)/obj-debug
DIST_DIR = dist
DIST_NAME = VirtualSCSIDevice
TARGET = $(BUILD_DIR)/virtioscsi.device
TARGET_DEBUG = $(BUILD_DIR)/virtioscsi.device.debug
SRC = src/device.c src/Init.c src/Open.c src/Close.c src/Expunge.c src/BeginIO.c \
      src/scsi_cdb_helpers.c src/cmd_names.c src/unit_discovery.c src/unit_task.c \
      src/exec_cmds/cmd_stubs.c src/exec_cmds/cmd_td_getgeometry.c \
      src/exec_cmds/cmd_td_getnumtracks.c \
      src/exec_cmds/cmd_update.c \
      src/scsi_cmds/scsi_parse.c src/scsi_cmds/scsi_inquiry.c \
      src/scsi_cmds/scsi_read_capacity_10.c src/scsi_cmds/scsi_rw_10.c \
      src/scsi_cmds/scsi_test_unit_ready.c \
      src/scsi_cmds/scsi_log_sense.c \
      src/scsi_cmds/scsi_ata_passthrough.c \
      src/ns_cmds/ns_parse.c src/ns_cmds/ns_devicequery.c \
      src/ns_cmds/ns_td_getgeometry64.c src/ns_cmds/ns_td_io64.c \
      src/pci/pci_discovery.c src/pci/pci_modern_detect.c \
      src/virtio/virtio_init.c src/virtio/virtqueue.c \
      src/virtio/virtio_irq.c src/virtio/virtio_scsi_io.c

OBJ = $(patsubst src/%.c, $(BUILD_DIR)/%.o, $(SRC))
OBJ_DEBUG = $(patsubst src/%.c, $(DEBUG_OBJ_DIR)/%.o, $(SRC))
DEP = $(OBJ:.o=.d) $(OBJ_DEBUG:.o=.d)

.PHONY: all dist dist-lha clean help

all: $(BUILD_DIR) $(TARGET) $(TARGET_DEBUG) $(BUILD_DIR)/test_virtioscsi $(BUILD_DIR)/test_modern $(BUILD_DIR)/test_inquiry

$(BUILD_DIR):
	mkdir -p $(BUILD_DIR)

# Release: compile without -DDEBUG, strip symbols.  This is what goes into
# SYS:Kickstart/ on end-user installs.
$(TARGET): $(OBJ)
	$(CC) $(OBJ) -o $(TARGET) $(LDFLAGS)
	@echo "Stripping release build..."
	$(STRIP) --strip-all $(TARGET)

# Debug: recompile every source with -DDEBUG so DPRINTF() emits via
# DebugPrintF and do NOT strip, so stack traces decode.  Ships alongside
# the release binary in the LHA for diagnostic sessions.
$(TARGET_DEBUG): $(OBJ_DEBUG)
	$(CC) $(OBJ_DEBUG) -o $(TARGET_DEBUG) $(LDFLAGS)
	@echo "Debug build produced (DPRINTF active, symbols kept)"

$(BUILD_DIR)/test_virtioscsi: tests/test_virtioscsi.c | $(BUILD_DIR)
	$(CC) $(CFLAGS) $< -o $@ -lauto

$(BUILD_DIR)/test_modern: tests/test_modern.c | $(BUILD_DIR)
	$(CC) $(CFLAGS) $< -o $@ -lauto

$(BUILD_DIR)/test_inquiry: tests/test_inquiry.c | $(BUILD_DIR)
	$(CC) $(CFLAGS) $< -o $@ -lauto

$(BUILD_DIR)/%.o: src/%.c | $(BUILD_DIR)
	@mkdir -p $(dir $@)
	$(CC) $(CFLAGS) $(DEPFLAGS) -c $< -o $@

$(DEBUG_OBJ_DIR)/%.o: src/%.c | $(BUILD_DIR)
	@mkdir -p $(dir $@)
	$(CC) $(CFLAGS) -DDEBUG $(DEPFLAGS) -c $< -o $@

-include $(DEP)

# Create distribution directory with all files needed on AmigaOS 4.
#
# The installer is the OS Installation Utility wizard: installer/
# carries the committed install.py (+ locale module), pre-generated
# from installer/virtioscsi_installer_fixture.py.  install.py.info's
# default tool is the Installation Utility, so the wizard launches
# from a Workbench double-click with the drawer as current directory.
# drawer.info becomes the archive-root drawer icon.
dist: all
	@echo "=== Creating distribution ==="
	rm -rf $(DIST_DIR)/$(DIST_NAME)
	mkdir -p $(DIST_DIR)/$(DIST_NAME)/content
	@# Device driver (release inside content/ for the installer; debug at root)
	cp $(BUILD_DIR)/virtioscsi.device $(DIST_DIR)/$(DIST_NAME)/content/
	-cp $(BUILD_DIR)/virtioscsi.device.debug $(DIST_DIR)/$(DIST_NAME)/ 2>/dev/null || true
	@# Installation Utility wizard + Workbench icons
	cp installer/install.py                  $(DIST_DIR)/$(DIST_NAME)/
	cp installer/install.py.info             $(DIST_DIR)/$(DIST_NAME)/
	cp installer/VirtioSCSIInstallerLocale.py $(DIST_DIR)/$(DIST_NAME)/
	cp installer/drawer.info                 $(DIST_DIR)/$(DIST_NAME).info
	@# Documentation
	cp README_os4depot.txt            $(DIST_DIR)/$(DIST_NAME)/
	@echo "Distribution created in $(DIST_DIR)/$(DIST_NAME)/"
	@echo "Contents:"
	@find $(DIST_DIR)/$(DIST_NAME) $(DIST_DIR)/$(DIST_NAME).info -type f | sort

# Create LHA archive from distribution.  Uses host lha when available,
# otherwise runs lha inside the toolchain Docker image.
dist-lha: dist
	@echo "=== Creating LHA archive ==="
	rm -f $(DIST_DIR)/$(DIST_NAME).lha
	@if command -v lha >/dev/null 2>&1; then \
	    (cd $(DIST_DIR) && lha ao5q $(DIST_NAME).lha $(DIST_NAME) $(DIST_NAME).info); \
	else \
	    echo "lha not on PATH — packing inside Docker"; \
	    $(DOCKER_RUN) sh -c 'cd $(DIST_DIR) && lha ao5q /work/$(DIST_DIR)/$(DIST_NAME).lha $(DIST_NAME) $(DIST_NAME).info'; \
	fi
	@ls -la $(DIST_DIR)/$(DIST_NAME).lha
	@echo "Archive created: $(DIST_DIR)/$(DIST_NAME).lha"

clean:
	rm -rf $(BUILD_DIR) $(DIST_DIR)

help:
	@echo "virtioscsi.device Build System"
	@echo ""
	@echo "Targets:"
	@echo "  all       - Build device driver and test programs (default)"
	@echo "  dist      - Create distribution directory for AmigaOS 4"
	@echo "  dist-lha  - Create LHA archive ($(DIST_DIR)/$(DIST_NAME).lha)"
	@echo "  clean     - Remove all build artifacts"
	@echo "  help      - Show this help"
	@echo ""
	@echo "Build via Docker:"
	@echo "  docker run --rm -v \$$(pwd):/src -w /src $(DOCKER_IMAGE) make"
	@echo "  docker run --rm -v \$$(pwd):/src -w /src $(DOCKER_IMAGE) make dist-lha"
	@echo ""
	@echo "Debug build:"
	@echo "  make CFLAGS=\"-O2 -Wall -Wextra -I./include -fno-tree-loop-distribute-patterns -DDEBUG\""