mirror of
https://xff.cz/git/u-boot/
synced 2025-10-31 02:15:45 +01:00
f86ca5ad8f
Add support for VPL, a new phase of U-Boot. This runs after TPL. It is responsible for selecting which SPL binary to run, based on a verified-boot process. Signed-off-by: Simon Glass <sjg@chromium.org>
597 lines
18 KiB
Makefile
597 lines
18 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0+
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#
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# (C) Copyright 2000-2011
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# (C) Copyright 2011
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# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
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#
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# (C) Copyright 2011
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# Texas Instruments Incorporated - http://www.ti.com/
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# Aneesh V <aneesh@ti.com>
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# Based on top-level Makefile.
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#
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src := $(obj)
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# Create output directory if not already present
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_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
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include $(srctree)/scripts/Kbuild.include
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-include include/config/auto.conf
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-include $(obj)/include/autoconf.mk
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UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE)
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KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
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ifeq ($(CONFIG_TPL_BUILD),y)
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KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
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else
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ifeq ($(CONFIG_VPL_BUILD),y)
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KBUILD_CPPFLAGS += -DCONFIG_VPL_BUILD
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endif
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endif
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ifeq ($(CONFIG_VPL_BUILD),y)
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SPL_BIN := u-boot-vpl
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SPL_NAME := vpl
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else
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ifeq ($(CONFIG_TPL_BUILD),y)
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SPL_BIN := u-boot-tpl
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SPL_NAME := tpl
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else
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SPL_BIN := u-boot-spl
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SPL_NAME := spl
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endif
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endif
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export SPL_NAME
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ifdef CONFIG_SPL_BUILD
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SPL_ := SPL_
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ifeq ($(CONFIG_VPL_BUILD),y)
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SPL_TPL_ := VPL_
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else
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ifeq ($(CONFIG_TPL_BUILD),y)
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SPL_TPL_ := TPL_
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else
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SPL_TPL_ := SPL_
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endif
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endif
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else
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SPL_ :=
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SPL_TPL_ :=
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endif
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ifeq ($(obj)$(CONFIG_SUPPORT_SPL),spl)
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$(error You cannot build SPL without enabling CONFIG_SUPPORT_SPL)
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endif
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ifeq ($(obj)$(CONFIG_SUPPORT_TPL),tpl)
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$(error You cannot build TPL without enabling CONFIG_SUPPORT_TPL)
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endif
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ifeq ($(obj)$(CONFIG_SUPPORT_VPL),vpl)
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$(error You cannot build VPL without enabling CONFIG_SUPPORT_VPL)
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endif
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include $(srctree)/config.mk
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include $(srctree)/arch/$(ARCH)/Makefile
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include $(srctree)/scripts/Makefile.lib
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# Enable garbage collection of un-used sections for SPL
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KBUILD_CFLAGS += -ffunction-sections -fdata-sections
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LDFLAGS_FINAL += --gc-sections
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ifeq ($(CONFIG_$(SPL_TPL_)STACKPROTECTOR),y)
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KBUILD_CFLAGS += -fstack-protector-strong
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else
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KBUILD_CFLAGS += -fno-stack-protector
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endif
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# FIX ME
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cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
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$(NOSTDINC_FLAGS)
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c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
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HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
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libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
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libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
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ifeq ($(CONFIG_TPL_BUILD),y)
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libs-$(CONFIG_TPL_FRAMEWORK) += common/spl/
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else
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libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
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endif
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libs-y += common/init/
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# Special handling for a few options which support SPL/TPL/VPL
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libs-$(CONFIG_$(SPL_TPL_)LIBCOMMON_SUPPORT) += boot/ common/ cmd/ env/
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libs-$(CONFIG_$(SPL_TPL_)LIBGENERIC_SUPPORT) += lib/
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ifdef CONFIG_SPL_FRAMEWORK
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libs-$(CONFIG_PARTITIONS) += disk/
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endif
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libs-y += drivers/
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libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/dwc3/
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libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/cdns3/
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libs-y += dts/
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libs-y += fs/
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libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
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libs-$(CONFIG_SPL_NET) += net/
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libs-$(CONFIG_$(SPL_TPL_)UNIT_TEST) += test/
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head-y := $(addprefix $(obj)/,$(head-y))
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libs-y := $(addprefix $(obj)/,$(libs-y))
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u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
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libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
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# Add GCC lib
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ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
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PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
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PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
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endif
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u-boot-spl-init := $(head-y)
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u-boot-spl-main := $(libs-y)
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ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
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platdata-hdr := include/generated/dt-structs-gen.h include/generated/dt-decl.h
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platdata-inst := $(obj)/dts/dt-uclass.o $(obj)/dts/dt-device.o
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platdata-noinst := $(obj)/dts/dt-plat.o
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ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA_INST
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u-boot-spl-platdata := $(platdata-inst)
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u-boot-spl-old-platdata := $(platdata-noinst)
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else
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u-boot-spl-platdata := $(platdata-noinst)
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u-boot-spl-old-platdata := $(platdata-inst)
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endif
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# Files we need to generate
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u-boot-spl-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-platdata))
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# Files we won't generate and should remove
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u-boot-spl-old-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-old-platdata))
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endif # OF_PLATDATA
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# Linker Script
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# First test whether there's a linker-script for the specific stage defined...
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ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
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# need to strip off double quotes
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LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
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else
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# ...then fall back to the generic SPL linker-script
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ifneq ($(CONFIG_SPL_LDSCRIPT),)
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# need to strip off double quotes
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LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
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endif
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endif
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ifeq ($(wildcard $(LDSCRIPT)),)
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LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
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endif
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ifeq ($(wildcard $(LDSCRIPT)),)
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LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
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endif
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ifeq ($(wildcard $(LDSCRIPT)),)
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LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
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endif
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ifeq ($(wildcard $(LDSCRIPT)),)
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$(error could not find linker script)
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endif
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# Special flags for CPP when processing the linker script.
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# Pass the version down so we can handle backwards compatibility
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# on the fly.
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LDPPFLAGS += \
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-include $(srctree)/include/u-boot/u-boot.lds.h \
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-include $(objtree)/include/config.h \
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-DCPUDIR=$(CPUDIR) \
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$(shell $(LD) --version | \
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sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
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# Turn various CONFIG symbols into IMAGE symbols for easy reuse of
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# the scripts between SPL, TPL and VPL.
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ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),)
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LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_$(SPL_TPL_)MAX_SIZE)
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endif
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ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
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LDPPFLAGS += -DIMAGE_TEXT_BASE=$(CONFIG_$(SPL_TPL_)TEXT_BASE)
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endif
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MKIMAGEOUTPUT ?= /dev/null
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quiet_cmd_mkimage = MKIMAGE $@
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cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
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>$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
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quiet_cmd_mkfitimage = MKIMAGE $@
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cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
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$(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)
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MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
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MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
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MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
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$(call if_changed,mkimage)
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ifeq ($(CONFIG_SYS_SOC),"at91")
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MKIMAGEFLAGS_boot.bin = -T atmelimage
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ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
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MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
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$(obj)/boot.bin: $(obj)/../tools/atmel_pmecc_params
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endif
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$(obj)/boot.bin: $(obj)/u-boot-spl.bin FORCE
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$(call if_changed,mkimage)
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else
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ifdef CONFIG_ARCH_ZYNQ
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MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
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endif
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ifdef CONFIG_ARCH_ZYNQMP
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ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
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spl/boot.bin: zynqmp-check-pmufw
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zynqmp-check-pmufw: FORCE
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( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
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|| ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
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endif
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MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
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-n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
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endif
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$(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin
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@dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null;
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spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE
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$(call if_changed,mkimage)
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endif
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INPUTS-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).sym
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ifdef CONFIG_SAMSUNG
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INPUTS-y += $(obj)/$(BOARD)-spl.bin
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endif
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ifneq ($(CONFIG_TARGET_SOCFPGA_GEN5)$(CONFIG_TARGET_SOCFPGA_ARRIA10),)
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INPUTS-y += $(obj)/$(SPL_BIN).sfp
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endif
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INPUTS-$(CONFIG_TARGET_SOCFPGA_SOC64) += $(obj)/u-boot-spl-dtb.hex
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ifdef CONFIG_ARCH_SUNXI
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INPUTS-y += $(obj)/sunxi-spl.bin
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ifdef CONFIG_NAND_SUNXI
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INPUTS-y += $(obj)/sunxi-spl-with-ecc.bin
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endif
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endif
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ifeq ($(CONFIG_SYS_SOC),"at91")
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INPUTS-y += $(obj)/boot.bin
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endif
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ifndef CONFIG_VPL_BUILD
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ifdef CONFIG_TPL_BUILD
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INPUTS-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \
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$(obj)/u-boot-x86-reset16-tpl.bin
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else
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INPUTS-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \
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$(obj)/u-boot-x86-reset16-spl.bin
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endif
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endif
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INPUTS-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
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INPUTS-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
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INPUTS-$(CONFIG_ARCH_MEDIATEK) += $(obj)/u-boot-spl-mtk.bin
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all: $(INPUTS-y)
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quiet_cmd_cat = CAT $@
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cmd_cat = cat $(filter-out $(PHONY), $^) > $@
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quiet_cmd_copy = COPY $@
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cmd_copy = cp $< $@
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ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
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FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
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else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
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FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
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else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
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FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
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else
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FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
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endif
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# Build the .dtb file if needed
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# - OF_REAL is enabled
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# - we have either OF_SEPARATE or OF_HOSTFILE
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build_dtb :=
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ifneq ($(CONFIG_$(SPL_TPL_)OF_REAL),)
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ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_SANDBOX),y)
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build_dtb := y
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endif
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endif
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ifneq ($(build_dtb),)
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$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
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$(if $(CONFIG_$(SPL_TPL_)SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
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$(FINAL_DTB_CONTAINER) FORCE
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$(call if_changed,cat)
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$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
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$(call if_changed,copy)
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else
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$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
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$(call if_changed,copy)
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endif
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# Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
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$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
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@bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
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dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
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$(obj)/$(SPL_BIN).dtb: $(obj)/dts/dt-$(SPL_NAME).dtb FORCE
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$(call if_changed,copy)
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pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
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DTOC_ARGS := $(pythonpath) $(srctree)/tools/dtoc/dtoc \
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-d $(obj)/$(SPL_BIN).dtb -p $(SPL_NAME)
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ifneq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA_INST),)
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DTOC_ARGS += -i
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endif
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quiet_cmd_dtoc = DTOC $@
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cmd_dtoc = $(DTOC_ARGS) -c $(obj)/dts -C include/generated all
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quiet_cmd_plat = PLAT $@
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cmd_plat = $(CC) $(c_flags) -c $< -o $(filter-out $(PHONY),$@)
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$(obj)/dts/dt-%.o: $(obj)/dts/dt-%.c $(platdata-hdr)
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$(call if_changed,plat)
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# Don't use dts_dir here, since it forces running this expensive rule every time
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$(platdata-hdr) $(u-boot-spl-platdata_c) &: $(obj)/$(SPL_BIN).dtb
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@[ -d $(obj)/dts ] || mkdir -p $(obj)/dts
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@# Remove old files since which ones we generate depends on the setting
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@# of OF_PLATDATA_INST and this might change between builds. Leaving old
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@# ones around is confusing and it is possible that switching the
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@# setting again will use the old one instead of regenerating it.
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@rm -f $(u-boot-spl-all-platdata_c) $(u-boot-spl-all-platdata)
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$(call if_changed,dtoc)
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ifdef CONFIG_SAMSUNG
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ifdef CONFIG_VAR_SIZE_SPL
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VAR_SIZE_PARAM = --vs
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else
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VAR_SIZE_PARAM =
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endif
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$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
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$(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
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$(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
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$(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
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endif
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quiet_cmd_objcopy = OBJCOPY $@
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cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
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OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
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$(if $(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),-R .start16 -R .resetvec)
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$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
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$(call if_changed,objcopy)
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OBJCOPYFLAGS_u-boot-x86-start16-spl.bin := -O binary -j .start16
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$(obj)/u-boot-x86-start16-spl.bin: $(obj)/u-boot-spl FORCE
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$(call if_changed,objcopy)
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OBJCOPYFLAGS_u-boot-x86-start16-tpl.bin := -O binary -j .start16
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$(obj)/u-boot-x86-start16-tpl.bin: $(obj)/u-boot-tpl FORCE
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$(call if_changed,objcopy)
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OBJCOPYFLAGS_u-boot-x86-reset16-spl.bin := -O binary -j .resetvec
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$(obj)/u-boot-x86-reset16-spl.bin: $(obj)/u-boot-spl FORCE
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$(call if_changed,objcopy)
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OBJCOPYFLAGS_u-boot-x86-reset16-tpl.bin := -O binary -j .resetvec
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$(obj)/u-boot-x86-reset16-tpl.bin: $(obj)/u-boot-tpl FORCE
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$(call if_changed,objcopy)
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LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
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# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
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LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
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LDFLAGS_$(SPL_BIN) += --build-id=none
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# Pick the best match (e.g. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
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ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
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LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
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endif
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ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
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MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
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else
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MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
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endif
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$(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
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$(call if_changed,mkimage)
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MKIMAGEFLAGS_sunxi-spl.bin = \
|
|
-A $(ARCH) \
|
|
-T $(CONFIG_SPL_IMAGE_TYPE) \
|
|
-a $(CONFIG_SPL_TEXT_BASE) \
|
|
-n $(CONFIG_DEFAULT_DEVICE_TREE)
|
|
|
|
OBJCOPYFLAGS_u-boot-spl-dtb.hex := -I binary -O ihex --change-address=$(CONFIG_SPL_TEXT_BASE)
|
|
|
|
$(obj)/u-boot-spl-dtb.hex: $(obj)/u-boot-spl-dtb.bin FORCE
|
|
$(call if_changed,objcopy)
|
|
|
|
$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
|
|
$(call if_changed,mkimage)
|
|
|
|
quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
|
|
cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
|
|
-c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
|
|
-p $(CONFIG_SYS_NAND_PAGE_SIZE) \
|
|
-o $(CONFIG_SYS_NAND_OOBSIZE) \
|
|
-u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
|
|
-e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
|
|
-s -b $< $@
|
|
$(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
|
|
$(call if_changed,sunxi_spl_image_builder)
|
|
|
|
|
|
# MediaTek's specific SPL build
|
|
MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \
|
|
-a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \
|
|
-n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
|
|
|
|
$(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
|
|
$(call if_changed,mkimage)
|
|
|
|
quiet_cmd_sym ?= SYM $@
|
|
cmd_sym ?= $(OBJDUMP) -t $< > $@
|
|
$(obj)/$(SPL_BIN).sym: $(obj)/$(SPL_BIN) FORCE
|
|
$(call if_changed,sym)
|
|
|
|
# Generate linker list symbols references to force compiler to not optimize
|
|
# them away when compiling with LTO
|
|
ifdef CONFIG_LTO
|
|
u-boot-spl-keep-syms-lto := $(obj)/keep-syms-lto.o
|
|
u-boot-spl-keep-syms-lto_c := \
|
|
$(patsubst $(obj)/%.o,$(obj)/%.c,$(u-boot-spl-keep-syms-lto))
|
|
|
|
quiet_cmd_keep_syms_lto = KSL $@
|
|
cmd_keep_syms_lto = \
|
|
$(srctree)/scripts/gen_ll_addressable_symbols.sh $(NM) $^ > $@
|
|
|
|
quiet_cmd_keep_syms_lto_cc = KSLCC $@
|
|
cmd_keep_syms_lto_cc = \
|
|
$(CC) $(filter-out $(LTO_CFLAGS),$(c_flags)) -c -o $@ $<
|
|
|
|
$(u-boot-spl-keep-syms-lto_c): $(u-boot-spl-main) $(u-boot-spl-platdata)
|
|
$(call if_changed,keep_syms_lto)
|
|
$(u-boot-spl-keep-syms-lto): $(u-boot-spl-keep-syms-lto_c)
|
|
$(call if_changed,keep_syms_lto_cc)
|
|
else
|
|
u-boot-spl-keep-syms-lto :=
|
|
endif
|
|
|
|
# Rule to link u-boot-spl
|
|
# May be overridden by arch/$(ARCH)/config.mk
|
|
ifdef CONFIG_LTO
|
|
quiet_cmd_u-boot-spl ?= LTO $@
|
|
cmd_u-boot-spl ?= \
|
|
( \
|
|
cd $(obj) && \
|
|
$(CC) -nostdlib -nostartfiles $(LTO_FINAL_LDFLAGS) $(c_flags) \
|
|
$(KBUILD_LDFLAGS:%=-Wl,%) $(LDFLAGS_$(@F):%=-Wl,%) \
|
|
$(patsubst $(obj)/%,%,$(u-boot-spl-init)) \
|
|
-Wl,--whole-archive \
|
|
$(patsubst $(obj)/%,%,$(u-boot-spl-main)) \
|
|
$(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
|
|
$(patsubst $(obj)/%,%,$(u-boot-spl-keep-syms-lto)) \
|
|
$(PLATFORM_LIBS) \
|
|
-Wl,--no-whole-archive \
|
|
-Wl,-Map,$(SPL_BIN).map -o $(SPL_BIN) \
|
|
)
|
|
else
|
|
quiet_cmd_u-boot-spl ?= LD $@
|
|
cmd_u-boot-spl ?= \
|
|
( \
|
|
cd $(obj) && \
|
|
$(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_$(@F)) \
|
|
$(patsubst $(obj)/%,%,$(u-boot-spl-init)) \
|
|
--whole-archive \
|
|
$(patsubst $(obj)/%,%,$(u-boot-spl-main)) \
|
|
$(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
|
|
--no-whole-archive \
|
|
$(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN) \
|
|
)
|
|
endif
|
|
|
|
$(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
|
|
$(u-boot-spl-main) $(u-boot-spl-keep-syms-lto) \
|
|
$(obj)/u-boot-spl.lds FORCE
|
|
$(call if_changed,u-boot-spl)
|
|
|
|
$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
|
|
|
|
PHONY += $(u-boot-spl-dirs)
|
|
$(u-boot-spl-dirs): $(u-boot-spl-platdata) prepare
|
|
$(Q)$(MAKE) $(build)=$@
|
|
|
|
PHONY += prepare
|
|
prepare:
|
|
$(Q)$(MAKE) $(build)=$(obj)/.
|
|
|
|
quiet_cmd_cpp_lds = LDS $@
|
|
cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
|
|
-D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
|
|
|
|
$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
|
|
$(call if_changed_dep,cpp_lds)
|
|
|
|
# read all saved command lines
|
|
|
|
targets := $(wildcard $(sort $(targets)))
|
|
cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
|
|
|
|
ifneq ($(cmd_files),)
|
|
$(cmd_files): ; # Do not try to update included dependency files
|
|
include $(cmd_files)
|
|
endif
|
|
|
|
PHONY += FORCE
|
|
FORCE:
|
|
|
|
$(obj)/dts/dt-$(SPL_NAME).dtb: dts/dt.dtb
|
|
$(Q)$(MAKE) $(build)=$(obj)/dts spl_dtbs
|
|
|
|
PHONY += dts_dir
|
|
dts_dir:
|
|
$(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
|
|
|
|
# Declare the contents of the .PHONY variable as phony. We keep that
|
|
# information in a variable so we can use it in if_changed and friends.
|
|
.PHONY: $(PHONY)
|
|
|
|
SPL_OF_LIST_TARGETS = $(patsubst %,dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
|
|
SHRUNK_ARCH_DTB = $(addprefix $(obj)/,$(SPL_OF_LIST_TARGETS))
|
|
.SECONDEXPANSION:
|
|
$(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@) dts_dir
|
|
$(call if_changed,fdtgrep)
|
|
|
|
targets += $(SPL_OF_LIST_TARGETS)
|
|
|
|
MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
|
|
-n "Multi DTB fit image for $(SPL_BIN)" -E \
|
|
$(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
|
|
|
|
$(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
|
|
$(call if_changed,mkimage)
|
|
ifneq ($(SOURCE_DATE_EPOCH),)
|
|
touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
|
|
chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
|
|
endif
|
|
|
|
$(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
|
|
@gzip -kf9 $< > $@
|
|
|
|
$(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
|
|
@lzop -f9 $< > $@
|
|
|
|
ifdef CONFIG_ARCH_K3
|
|
tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
|
|
$(call if_changed,mkfitimage)
|
|
endif
|