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Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..6fa1ecd --- /dev/null +++ b/Makefile @@ -0,0 +1,125 @@ +# ============================================================================ +# Bastion kernel - Top-Level Build System +# +# Usage: +# make ARCH=x86_64 defconfig — Create default .config for x86_64 +# make ARCH=aarch64 defconfig — Create default .config for aarch64 +# make ARCH=x86_64 build — Build for x86_64 +# make ARCH=aarch64 build — Build for aarch64 +# make ARCH=x86_64 run — Build + run in QEMU +# make ARCH=aarch64 run — Build + run in QEMU +# make all — Build both architectures +# make clean — Remove build artifacts and objects +# make distclean — Remove build + generated config +# ============================================================================ + +VERSION = 0 +PATCHLEVEL = 0 +SUBLEVEL = 1 +NAME = Husky + +.PHONY: all build clean distclean configure defconfig disk run check-config + +RESULT_DIR := result +CONFIG_FILE := .config +CONFIG_H := include/kernel/config.h +CONFIG_MK := config_generated.mk +CONFIGURE := python3 scripts/configure.py #TODO: change to $(python) + +-include $(CONFIG_MK) + +# ── ARCH validation ──────────────────────────────────────────────────────── + +# Default ARCH if not specified +ARCH ?= $(shell uname -m) + +ifneq ($(ARCH),x86_64) +ifneq ($(ARCH),aarch64) + $(error ARCH must be x86_64 or aarch64 (got: $(ARCH))) +endif +endif + +# Derive EFI binary name from ARCH +# TODO: maybe add name of this artifact to config +ifeq ($(ARCH),x86_64) + EFI_BINARY := BOOTX64.EFI +else + EFI_BINARY := BOOTAA64.EFI +endif + +ARCH_RESULT_DIR := $(RESULT_DIR)/$(ARCH) + +# ── Build ────────────────────────────────────────────────────────────────── + +all build: check-config + @echo "══════════════════════════════════════════" + @echo " Building Bastion — $(ARCH)" + @echo "══════════════════════════════════════════" + @echo " v.$(VERSION).$(PATCHLEVEL).$(SUBLEVEL) — $(NAME)" + @echo "══════════════════════════════════════════" + @echo " Build boot" + @echo "══════════════════════════════════════════" + $(MAKE) -C boot ARCH=$(ARCH) RESULT_DIR=$(CURDIR)/$(ARCH_RESULT_DIR)/boot + @echo "══════════════════════════════════════════" + @echo " Build kernel" + @echo "══════════════════════════════════════════" + $(MAKE) -C kernel ARCH=$(ARCH) RESULT_DIR=$(CURDIR)/$(ARCH_RESULT_DIR)/kernel + +# ── Configuration ─────────────────────────────────────────────────────────── + +defconfig: + @cp configs/default_$(ARCH) $(CONFIG_FILE) + @echo "Created .config from configs/default_$(ARCH)" + @$(CONFIGURE) --arch $(ARCH) + @echo "" + +# Regenerate config.h and config_generated.mk from .config +configure: $(CONFIG_FILE) + @$(CONFIGURE) --arch $(ARCH) + +# Auto-generate config.h if .config exists but config.h is stale or broken or missing +check-config: $(CONFIG_FILE) + @if [ ! -f $(CONFIG_H) ] || [ $(CONFIG_FILE) -nt $(CONFIG_H) ] || [ scripts/configure.py -nt $(CONFIG_H) ]; then \ + $(CONFIGURE) --arch $(ARCH); \ + fi + +# If .config doesn't exist, tell the user +$(CONFIG_FILE): + @echo "═══════════════════════════════════════════════════════════" + @echo " ERROR: No .config file found." + @echo "" + @echo " Create one with:" + @echo " make defconfig" + @echo " make ARCH=x86_64 defconfig" + @echo " make ARCH=aarch64 defconfig" + @echo "" + @echo " Or copy manually:" + @echo " cp configs/default_x86_64 .config" + @echo "═══════════════════════════════════════════════════════════" + @exit 1 + +# ── Disk images ───────────────────────────────────────────────────────────── + +disk: build + bash scripts/create_disk.sh $(ARCH) \ + $(ARCH_RESULT_DIR)/boot/$(EFI_BINARY) \ + $(ARCH_RESULT_DIR)/kernel/$(CONFIG_KERNEL_FILE_NAME) \ + $(ARCH_RESULT_DIR)/bastion.img + +# ── QEMU ──────────────────────────────────────────────────────────────────── + +run: disk + @bash scripts/run_qemu.sh $(ARCH) $(ARCH_RESULT_DIR)/bastion.img + +# ── Clean ─────────────────────────────────────────────────────────────────── + +clean: + rm -rf $(RESULT_DIR) + $(MAKE) -C boot ARCH=$(ARCH) clean + $(MAKE) -C kernel ARCH=$(ARCH) clean + @echo "Clean." + +# Remove everything including generated config (but not .config itself) +distclean: clean + rm -f $(CONFIG_H) $(CONFIG_MK) + @echo "Distclean." |