mirror of
https://github.com/revyos/th1520-vendor-uboot.git
synced 2026-06-21 09:02:25 +02:00
169 lines
4.9 KiB
Makefile
169 lines
4.9 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0+
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#
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# Copyright (C) 2020 Alibaba Group Holding Limited
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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 $(obj)/include/autoconf.mk
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KBUILD_CPPFLAGS += -DCONFIG_PPL_BUILD
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ifeq ($(obj)$(CONFIG_SUPPORT_PPL),ppl)
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$(error You cannot build PPL without enabling CONFIG_SUPPORT_PPL)
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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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# 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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head-y := $(addprefix $(obj)/,$(head-y))
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libs-y := $(addprefix $(obj)/,$(libs-y))
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u-boot-ppl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
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libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
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u-boot-ppl-init := $(head-y)
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u-boot-ppl-main := $(libs-y)
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# Linker Script
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# First test whether there's a linker-script for the specific stage defined...
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ifneq ($(CONFIG_PPL_LDSCRIPT),)
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# need to strip off double quotes
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LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_PPL_LDSCRIPT:"%"=%))
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endif
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ifeq ($(wildcard $(LDSCRIPT)),)
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LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-ppl.lds
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endif
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ifeq ($(wildcard $(LDSCRIPT)),)
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LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-ppl.lds
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endif
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ifeq ($(wildcard $(LDSCRIPT)),)
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LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-ppl.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 and TPL.
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ifneq ($(CONFIG_PPL_MAX_SIZE),)
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LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_PPL_MAX_SIZE)
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endif
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ifneq ($(CONFIG_PPL_TEXT_BASE),)
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LDPPFLAGS += -DIMAGE_TEXT_BASE=$(CONFIG_PPL_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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ALL-y += $(obj)/u-boot-ppl.bin
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all: $(ALL-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 $< $@
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$(obj)/u-boot-ppl.bin: $(obj)/u-boot-ppl-nodtb.bin FORCE
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$(call if_changed,copy)
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quiet_cmd_objcopy = OBJCOPY $@
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cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
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OBJCOPYFLAGS_u-boot-ppl-nodtb.bin = $(PPL_OBJCFLAGS) -O binary
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$(obj)/u-boot-ppl-nodtb.bin: $(obj)/u-boot-ppl FORCE
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$(call if_changed,objcopy)
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LDFLAGS_u-boot-ppl += -T u-boot-ppl.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_u-boot-ppl += $(call ld-option, --no-dynamic-linker)
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# Pick the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
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ifneq ($(CONFIG_PPL_TEXT_BASE),)
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LDFLAGS_u-boot-ppl += -Ttext $(CONFIG_PPL_TEXT_BASE)
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endif
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# Rule to link u-boot-ppl
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# May be overridden by arch/$(ARCH)/config.mk
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quiet_cmd_u-boot-ppl ?= LD $@
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cmd_u-boot-ppl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
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$(patsubst $(obj)/%,%,$(u-boot-ppl-init)) --start-group \
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$(patsubst $(obj)/%,%,$(u-boot-ppl-main)) \
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--end-group \
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$(PLATFORM_LIBS) -Map u-boot-ppl.map -o u-boot-ppl)
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$(obj)/u-boot-ppl: $(u-boot-ppl-init) \
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$(u-boot-ppl-main) $(obj)/u-boot-ppl.lds FORCE
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$(call if_changed,u-boot-ppl)
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$(sort $(u-boot-ppl-init) $(u-boot-ppl-main)): $(u-boot-ppl-dirs) ;
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PHONY += $(u-boot-ppl-dirs)
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$(u-boot-ppl-dirs):
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$(Q)$(MAKE) $(build)=$@
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quiet_cmd_cpp_lds = LDS $@
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cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
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-D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
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$(obj)/u-boot-ppl.lds: $(LDSCRIPT) FORCE
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$(call if_changed_dep,cpp_lds)
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# read all saved command lines
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targets := $(wildcard $(sort $(targets)))
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cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
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ifneq ($(cmd_files),)
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$(cmd_files): ; # Do not try to update included dependency files
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include $(cmd_files)
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endif
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PHONY += FORCE
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FORCE:
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# Declare the contents of the .PHONY variable as phony. We keep that
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# information in a variable so we can use it in if_changed and friends.
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.PHONY: $(PHONY)
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