target/linux/archs38/image/Makefile

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # Copyright (C) 2016 OpenWrt.org
   4
   5 include $(TOPDIR)/rules.mk
   6 include $(INCLUDE_DIR)/image.mk
   7
   8 # On ARC initramfs is put before entry point and so entry point moves
   9 # in memory from build to built. Thus we need to extract EP from vmlinux
  10 # every time before generation of uImage.
  11 kernel_ep = `$(KERNEL_CROSS)readelf -h $(1) | grep "Entry point address" | grep -o 0x.*`
  12
  13 define Build/patch-dtb
  14         $(STAGING_DIR_HOST)/bin/patch-dtb $@ $(DTS_DIR)/$(DEVICE_DTS).dtb
  15 endef
  16
  17 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  18 # Root FS built-in
  19 define Device/vmlinux
  20         KERNEL_SUFFIX := .elf
  21         KERNEL := kernel-bin | patch-dtb
  22         KERNEL_INITRAMFS_NAME = vmlinux-initramfs.elf
  23 endef
  24
  25 define Device/nsim_hs
  26         $(call Device/vmlinux)
  27         DEVICE_VENDOR := Synopsys
  28         DEVICE_MODEL := nSIM HS
  29         DEVICE_PROFILE := nsim_hs
  30         DEVICE_DTS := nsim_hs_idu
  31 endef
  32 TARGET_DEVICES += nsim_hs
  33 endif
  34
  35 # Root FS on SD-card
  36 KERNEL_LOADADDR := 0x90000000
  37 DEVICE_DTS_LIST:= axs103_idu nsim_hs_idu hsdk
  38 FAT32_BLOCK_SIZE=1024
  39 FAT32_BLOCKS=$(shell echo $$(($(CONFIG_AXS10X_SD_BOOT_PARTSIZE)*1024*1024/$(FAT32_BLOCK_SIZE))))
  40
  41 define Image/Prepare
  42         # Build .dtb for all boards we may run on
  43         $(foreach dts,$(DEVICE_DTS_LIST),
  44                 $(call Image/BuildDTB,$(DTS_DIR)/$(dts).dts,$(DTS_DIR)/$(dts).dtb)
  45         )
  46 endef
  47
  48 define Image/Build/SDCard
  49         rm -f $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img
  50         mkfs.fat $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img -C $(FAT32_BLOCKS)
  51         mkimage -C none -A arc -T script -d uEnv.txt $(BIN_DIR)/uEnv.scr
  52         mkenvimage -s 0x4000 -o $(BIN_DIR)/uboot.env ./uboot.env.txt
  53         mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(BIN_DIR)/uEnv.scr ::boot.scr
  54         mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(DTS_DIR)/*.dtb ::
  55         mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(BIN_DIR)/$(IMG_PREFIX)-uImage ::uImage
  56         mcopy -i $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img $(BIN_DIR)/uboot.env ::uboot.env
  57
  58         ./gen_axs10x_sdcard_img.sh \
  59                 $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-sdcard-vfat-$(1).img \
  60                 $(KDIR_TMP)/$(IMG_PREFIX)-$(PROFILE)-boot.img \
  61                 $(KDIR)/root.$(1) \
  62                 $(CONFIG_AXS10X_SD_BOOT_PARTSIZE) \
  63                 $(CONFIG_TARGET_ROOTFS_PARTSIZE)
  64
  65 ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
  66         gzip -f9n $(BIN_DIR)/$(IMG_PREFIX)-$(PROFILE)-sdcard-vfat-$(1).img
  67 endif
  68 endef
  69
  70 define Image/BuildKernel
  71         # Build unified uImage
  72         $(call Image/BuildKernel/MkuImage, \
  73                 none, $(KERNEL_LOADADDR),$(call kernel_ep,$(KDIR)/vmlinux.elf) , \
  74                 $(KDIR)/vmlinux, \
  75                 $(BIN_DIR)/$(IMG_PREFIX)-uImage \
  76         )
  77 endef
  78
  79 define Image/Build
  80         $(call Image/Build/$(1),$(1))
  81         $(call Image/Build/SDCard,$(1))
  82         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
  83         $(call Image/Gzip,$(BIN_DIR)/$(IMG_PREFIX)-root.$(1))
  84 endef
  85
  86 $(eval $(call BuildImage))