build: add initial Bootloader implementation

Signed-off-by: EnderIce2 <enderice2@protonmail.com>

Bootloader/Makefile

@@ -0,0 +1,56 @@
+GNUEFI_RELEASE_VERSION=3.0.18
+
+GIT_COMMIT = $(shell git rev-parse HEAD)
+GIT_COMMIT_SHORT = $(shell git rev-parse --short HEAD)
+
+export CC := $(__CONF_CC)
+export CXX := $(__CONF_CXX)
+export LD := $(__CONF_LD)
+export AS := $(__CONF_AS)
+export AR := $(__CONF_AR)
+export NM := $(__CONF_NM)
+export OBJCOPY := $(__CONF_OBJCOPY)
+export OBJDUMP := $(__CONF_OBJDUMP)
+export GDB := $(__CONF_GDB)
+
+default:
+	$(error Do not run this Makefile directly!)
+
+prepare:
+ifeq ("$(wildcard ./gnu-efi)", "")
+	wget https://freefr.dl.sourceforge.net/project/gnu-efi/gnu-efi-$(GNUEFI_RELEASE_VERSION).tar.bz2
+	tar -xf gnu-efi-$(GNUEFI_RELEASE_VERSION).tar.bz2
+	rm gnu-efi-$(GNUEFI_RELEASE_VERSION).tar.bz2
+	mv ./gnu-efi-$(GNUEFI_RELEASE_VERSION) ./gnu-efi
+	cp -a ./gnu-efi/inc/. ./include
+endif
+	echo "PREPARE > Compiling gnu-efi for x86_64"
+	make -C gnu-efi all ARCH=x86_64 \
+		AR=$(TOOLCHAIN_AMD64_PREFIX)ar \
+		AS=$(TOOLCHAIN_AMD64_PREFIX)as \
+		CC=$(TOOLCHAIN_AMD64_PREFIX)gcc \
+		LD=$(TOOLCHAIN_AMD64_PREFIX)ld
+#	echo "PREPARE > Compiling gnu-efi for arm"
+#	make -C gnu-efi all ARCH=arm \
+#		AR=$(TOOLCHAIN_ARM_PREFIX)ar \
+#		AS=$(TOOLCHAIN_ARM_PREFIX)as \
+#		CC=$(TOOLCHAIN_ARM_PREFIX)gcc \
+#		LD=$(TOOLCHAIN_ARM_PREFIX)ld \
+#		CFLAGS="-I$(CURDIR)/gnu-efi/inc"
+#	echo "PREPARE > Compiling gnu-efi for aarch64"
+#	make -C gnu-efi all ARCH=aarch64 \
+#		AR=$(TOOLCHAIN_AARCH64_PREFIX)ar \
+#		AS=$(TOOLCHAIN_AARCH64_PREFIX)as \
+#		CC=$(TOOLCHAIN_AARCH64_PREFIX)gcc \
+#		LD=$(TOOLCHAIN_AARCH64_PREFIX)ld
+
+build:
+	$(MAKE) -C common build
+	$(MAKE) -C firmware build
+#	$(MAKE) -C uefi build
+
+clean:
+	$(MAKE) -C common clean
+	$(MAKE) -C firmware clean
+#	$(MAKE) -C uefi clean
+	rm -f boot.bin