Implemented make files to build platform specifics

.gitignore

@@ -42,6 +42,10 @@
 *.idb
 *.pdb
 
+# Output Folders
+sdcard/*
+firmware-rpi/*
+
 # Kernel Module Compile Results
 *.mod*
 *.cmd

Makefile

@@ -0,0 +1,7 @@
+SHELL:=/bin/bash
+
+all: platform
+
+include platform.mk
+
+.PHONY: all 

platform.mk

@@ -0,0 +1,43 @@
+
+ARCH:=aarch64
+
+curPath:=$(abspath .)
+srcPath:=$(curPath)/src
+imgPath:=$(curPath)/sdcard
+
+firmware_repo:=https://github.com/raspberrypi/firmware.git
+firmware_version:=1.20210201
+firmware_images:=$(curPath)/firmware-rpi
+
+atf_src:=$(srcPath)/arm-trusted-firmware
+atf_dest_image:=$(imgPath)/bl31.bin
+atf_plat:=rpi4
+
+uboot_src:=$(srcPath)/u-boot
+uboot_defconfig:=rpi_4_defconfig
+uboot_dest_image:=$(imgPath)/u-boot.bin
+
+atf $(atf_dest_image): $(atf_src)
+	$(MAKE) -C $(atf_src) bl31 PLAT=$(atf_plat)
+	cp $(atf_src)/build/$(atf_plat)/release/bl31.bin $(atf_dest_image)
+
+
+u-boot $(uboot_dest_image): $(uboot_src)
+	$(MAKE) -C $(uboot_src) $(uboot_defconfig)
+	$(MAKE) -C $(uboot_src) -j$(nproc) 
+	cp $(uboot_src)/u-boot.bin $(uboot_dest_image)
+
+$(firmware_images):
+	git clone --depth 1 --branch $(firmware_version) $(firmware_repo) $(firmware_images)
+
+sdcardDir:
+	@mkdir -p $(imgPath)
+
+#instuctions:=$(bao_demos)/platforms/$(PLATFORM)/README.md
+
+platform: sdcardDir $(uboot_dest_image) $(atf_dest_image) $(firmware_images)
+#	$(call print-instructions, $(instuctions), 1, false)
+#	$(call print-instructions, $(instuctions), 2, false)
+#	$(call print-instructions, $(instuctions), 3, true)
+
+.PHONY: sdcardDir