From 50392995d6e7f3a10fb74bb2f9073a4790f8933c Mon Sep 17 00:00:00 2001
From: Jon Santmyer <jon@jonsantmyer.com>
Date: Mon, 11 Mar 2024 21:40:28 -0400
Subject: simple env with basic test init program

---
 Makefile | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 Makefile

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..a342acc
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,66 @@
+TOOLSDIR := $(PWD)/tools
+KERNELDIR := $(PWD)/kernel
+SYSROOTDIR := $(PWD)/sysroot
+INITRDDIR := $(PWD)/initrd
+LIBDIR := $(PWD)/lib
+
+include kernel/config.mk
+
+CC = $(TOOLSDIR)/bin/$(TARGET_TRIPLET)-gcc
+LD = $(TOOLSDIR)/bin/$(TARGET_TRIPLET)-ld
+AS = $(TOOLSDIR)/bin/$(TARGET_TRIPLET)-as
+
+KERNEL_BIN := $(KERNELDIR)/jove.elf
+LIBC := $(SYSROOTDIR)/lib/libc.a
+
+INITRD_TAR := $(SYSROOTDIR)/boot/initrd.tar
+
+TEST_HDD := $(PWD)/test.hdd
+TEST_HDD_SIZEM = 64
+TEST_HDD_DIR := $(PWD)/test_hdd
+
+all: $(KERNEL_BIN)
+
+.PHONY: clean
+clean:
+	$(MAKE) -C $(KERNELDIR) clean
+
+.PHONY: $(KERNEL_BIN)
+$(KERNEL_BIN):
+	$(MAKE) -C $(KERNELDIR) CC=$(CC) LD=$(LD) AS=$(AS)
+
+.PHONY: test
+.ONESHELL:
+test: $(TEST_HDD) $(KERNEL_BIN)
+	sudo rm -rf $(TEST_HDD_DIR)
+	mkdir -p $(TEST_HDD_DIR)
+	export LOOPBACK_DEV=$(shell sudo losetup -Pf --show $(TEST_HDD))
+	sudo partprobe $$LOOPBACK_DEV
+	sudo mkfs.fat -F 32 "$$LOOPBACK_DEV"p1
+	sudo mount "$$LOOPBACK_DEV"p1 $(TEST_HDD_DIR)
+	sudo cp -r $(SYSROOTDIR)/* $(TEST_HDD_DIR)
+	sudo cp $(KERNEL_BIN) $(TEST_HDD_DIR)/boot
+	sudo cp limine/limine.exe $(TEST_HDD_DIR)/boot
+	sudo mkdir -p $(TEST_HDD_DIR)/EFI/BOOT
+	sudo cp limine/BOOTX64.EFI $(TEST_HDD_DIR)/EFI/BOOT
+	sync
+	sudo umount $(TEST_HDD_DIR)
+	sudo losetup -d $$LOOPBACK_DEV
+	sudo rm -rf $(TEST_HDD_DIR)
+	qemu-system-x86_64 -m 512M -M q35 -bios ovmf-x64/OVMF.fd -net none -smp 4 -hda test.hdd -serial stdio -no-shutdown -no-reboot -s
+
+.PHONY: $(TEST_HDD)
+$(TEST_HDD): $(INITRD_TAR)
+	rm -f $(TEST_HDD)
+	dd if=/dev/zero bs=1M count=0 seek=$(TEST_HDD_SIZEM) of=$(TEST_HDD)
+	parted -s $(TEST_HDD) mklabel gpt
+	parted -s $(TEST_HDD) mkpart primary 2048s 100%
+
+.PHONY: $(INITRD_TAR)
+$(INITRD_TAR): $(LIBC)
+	$(MAKE) -C $(INITRDDIR) OUT=$(INITRD_TAR) ABIDIR=$(KERNELDIR)/abi LIBDIR=$(LIBDIR)
+
+.PHONY: $(LIBC)
+$(LIBC):
+	$(MAKE) -C $(LIBDIR)/crt LIBDIR=$(SYSROOTDIR)/lib TARGET_MACHINE=$(TARGET_MACHINE)
+	$(MAKE) -C $(LIBDIR)/jlibc OUT=$@
-- 
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