upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
381 lines
11 KiB
381 lines
11 KiB
#
|
|
# (C) Copyright 2000-2013
|
|
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
#
|
|
# SPDX-License-Identifier: GPL-2.0+
|
|
#
|
|
#########################################################################
|
|
|
|
# Set shell to bash if possible, otherwise fall back to sh
|
|
SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
|
|
else if [ -x /bin/bash ]; then echo /bin/bash; \
|
|
else echo sh; fi; fi)
|
|
|
|
export SHELL
|
|
|
|
ifeq ($(CURDIR),$(SRCTREE))
|
|
dir :=
|
|
else
|
|
dir := $(subst $(SRCTREE)/,,$(CURDIR))
|
|
endif
|
|
|
|
ifneq ($(OBJTREE),$(SRCTREE))
|
|
# Create object files for SPL in a separate directory
|
|
ifeq ($(CONFIG_SPL_BUILD),y)
|
|
ifeq ($(CONFIG_TPL_BUILD),y)
|
|
obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/)
|
|
else
|
|
obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/)
|
|
endif
|
|
else
|
|
obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/)
|
|
endif
|
|
src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/)
|
|
|
|
$(shell mkdir -p $(obj))
|
|
else
|
|
# Create object files for SPL in a separate directory
|
|
ifeq ($(CONFIG_SPL_BUILD),y)
|
|
ifeq ($(CONFIG_TPL_BUILD),y)
|
|
obj := $(if $(dir),$(TPLTREE)/$(dir)/,$(TPLTREE)/)
|
|
else
|
|
obj := $(if $(dir),$(SPLTREE)/$(dir)/,$(SPLTREE)/)
|
|
|
|
endif
|
|
$(shell mkdir -p $(obj))
|
|
else
|
|
obj :=
|
|
endif
|
|
src :=
|
|
endif
|
|
|
|
# clean the slate ...
|
|
PLATFORM_RELFLAGS =
|
|
PLATFORM_CPPFLAGS =
|
|
PLATFORM_LDFLAGS =
|
|
|
|
#########################################################################
|
|
|
|
HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \
|
|
$(HOSTCPPFLAGS)
|
|
HOSTSTRIP = strip
|
|
|
|
#
|
|
# Mac OS X / Darwin's C preprocessor is Apple specific. It
|
|
# generates numerous errors and warnings. We want to bypass it
|
|
# and use GNU C's cpp. To do this we pass the -traditional-cpp
|
|
# option to the compiler. Note that the -traditional-cpp flag
|
|
# DOES NOT have the same semantics as GNU C's flag, all it does
|
|
# is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
|
|
#
|
|
# Apple's linker is similar, thanks to the new 2 stage linking
|
|
# multiple symbol definitions are treated as errors, hence the
|
|
# -multiply_defined suppress option to turn off this error.
|
|
#
|
|
|
|
ifeq ($(HOSTOS),darwin)
|
|
# get major and minor product version (e.g. '10' and '6' for Snow Leopard)
|
|
DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.')
|
|
DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.')
|
|
|
|
os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
|
|
$(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
|
|
|
|
# Snow Leopards build environment has no longer restrictions as described above
|
|
HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc")
|
|
HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp")
|
|
HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
|
|
else
|
|
HOSTCC = gcc
|
|
endif
|
|
|
|
ifeq ($(HOSTOS),cygwin)
|
|
HOSTCFLAGS += -ansi
|
|
endif
|
|
|
|
# We build some files with extra pedantic flags to try to minimize things
|
|
# that won't build on some weird host compiler -- though there are lots of
|
|
# exceptions for files that aren't complaint.
|
|
|
|
HOSTCFLAGS_NOPED = $(filter-out -pedantic,$(HOSTCFLAGS))
|
|
HOSTCFLAGS += -pedantic
|
|
|
|
#########################################################################
|
|
#
|
|
# Option checker, gcc version (courtesy linux kernel) to ensure
|
|
# only supported compiler options are used
|
|
#
|
|
CC_OPTIONS_CACHE_FILE := $(OBJTREE)/include/generated/cc_options.mk
|
|
CC_TEST_OFILE := $(OBJTREE)/include/generated/cc_test_file.o
|
|
|
|
-include $(CC_OPTIONS_CACHE_FILE)
|
|
|
|
cc-option-sys = $(shell mkdir -p $(dir $(CC_TEST_OFILE)); \
|
|
if $(CC) $(CFLAGS) $(1) -S -xc /dev/null -o $(CC_TEST_OFILE) \
|
|
> /dev/null 2>&1; then \
|
|
echo 'CC_OPTIONS += $(strip $1)' >> $(CC_OPTIONS_CACHE_FILE); \
|
|
echo "$(1)"; fi)
|
|
|
|
ifeq ($(CONFIG_CC_OPT_CACHE_DISABLE),y)
|
|
cc-option = $(strip $(if $(call cc-option-sys,$1),$1,$2))
|
|
else
|
|
cc-option = $(strip $(if $(findstring $1,$(CC_OPTIONS)),$1,\
|
|
$(if $(call cc-option-sys,$1),$1,$2)))
|
|
endif
|
|
|
|
# cc-version
|
|
# Usage gcc-ver := $(call cc-version)
|
|
cc-version = $(shell $(SHELL) $(SRCTREE)/tools/gcc-version.sh $(CC))
|
|
binutils-version = $(shell $(SHELL) $(SRCTREE)/tools/binutils-version.sh $(AS))
|
|
dtc-version = $(shell $(SHELL) $(SRCTREE)/tools/dtc-version.sh $(DTC))
|
|
|
|
#
|
|
# Include the make variables (CC, etc...)
|
|
#
|
|
AS = $(CROSS_COMPILE)as
|
|
|
|
# Always use GNU ld
|
|
LD = $(shell if $(CROSS_COMPILE)ld.bfd -v > /dev/null 2>&1; \
|
|
then echo "$(CROSS_COMPILE)ld.bfd"; else echo "$(CROSS_COMPILE)ld"; fi;)
|
|
|
|
CC = $(CROSS_COMPILE)gcc
|
|
CPP = $(CC) -E
|
|
AR = $(CROSS_COMPILE)ar
|
|
NM = $(CROSS_COMPILE)nm
|
|
LDR = $(CROSS_COMPILE)ldr
|
|
STRIP = $(CROSS_COMPILE)strip
|
|
OBJCOPY = $(CROSS_COMPILE)objcopy
|
|
OBJDUMP = $(CROSS_COMPILE)objdump
|
|
RANLIB = $(CROSS_COMPILE)RANLIB
|
|
DTC = dtc
|
|
CHECK = sparse
|
|
|
|
#########################################################################
|
|
|
|
# Load generated board configuration
|
|
ifeq ($(CONFIG_TPL_BUILD),y)
|
|
# Include TPL autoconf
|
|
sinclude $(OBJTREE)/include/tpl-autoconf.mk
|
|
else
|
|
ifeq ($(CONFIG_SPL_BUILD),y)
|
|
# Include SPL autoconf
|
|
sinclude $(OBJTREE)/include/spl-autoconf.mk
|
|
else
|
|
# Include normal autoconf
|
|
sinclude $(OBJTREE)/include/autoconf.mk
|
|
endif
|
|
endif
|
|
sinclude $(OBJTREE)/include/config.mk
|
|
|
|
# Some architecture config.mk files need to know what CPUDIR is set to,
|
|
# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files.
|
|
# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains
|
|
# CPU-specific code.
|
|
CPUDIR=arch/$(ARCH)/cpu/$(CPU)
|
|
ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR)))
|
|
CPUDIR=arch/$(ARCH)/cpu
|
|
endif
|
|
|
|
sinclude $(TOPDIR)/arch/$(ARCH)/config.mk # include architecture dependend rules
|
|
sinclude $(TOPDIR)/$(CPUDIR)/config.mk # include CPU specific rules
|
|
|
|
ifdef SOC
|
|
sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules
|
|
endif
|
|
ifdef VENDOR
|
|
BOARDDIR = $(VENDOR)/$(BOARD)
|
|
else
|
|
BOARDDIR = $(BOARD)
|
|
endif
|
|
ifdef BOARD
|
|
sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
|
|
endif
|
|
|
|
#########################################################################
|
|
|
|
# We don't actually use $(ARFLAGS) anywhere anymore, so catch people
|
|
# who are porting old code to latest mainline but not updating $(AR).
|
|
ARFLAGS = $(error update your Makefile to use cmd_link_o_target and not AR)
|
|
RELFLAGS= $(PLATFORM_RELFLAGS)
|
|
DBGFLAGS= -g # -DDEBUG
|
|
OPTFLAGS= -Os #-fomit-frame-pointer
|
|
|
|
OBJCFLAGS += --gap-fill=0xff
|
|
|
|
gccincdir := $(shell $(CC) -print-file-name=include)
|
|
|
|
CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
|
|
-D__KERNEL__
|
|
|
|
# Enable garbage collection of un-used sections for SPL
|
|
ifeq ($(CONFIG_SPL_BUILD),y)
|
|
CPPFLAGS += -ffunction-sections -fdata-sections
|
|
LDFLAGS_FINAL += --gc-sections
|
|
endif
|
|
|
|
# TODO(sjg@chromium.org): Is this correct on Mac OS?
|
|
|
|
# MXSImage needs LibSSL
|
|
ifneq ($(CONFIG_MX23)$(CONFIG_MX28),)
|
|
HOSTLIBS += -lssl -lcrypto
|
|
# Add CONFIG_MXS into host CFLAGS, so we can check whether or not register
|
|
# the mxsimage support within tools/mxsimage.c .
|
|
HOSTCFLAGS += -DCONFIG_MXS
|
|
endif
|
|
|
|
ifdef CONFIG_FIT_SIGNATURE
|
|
HOSTLIBS += -lssl -lcrypto
|
|
|
|
# This affects include/image.h, but including the board config file
|
|
# is tricky, so manually define this options here.
|
|
HOSTCFLAGS += -DCONFIG_FIT_SIGNATURE
|
|
endif
|
|
|
|
ifneq ($(CONFIG_SYS_TEXT_BASE),)
|
|
CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
|
|
endif
|
|
|
|
ifeq ($(CONFIG_SPL_BUILD),y)
|
|
CPPFLAGS += -DCONFIG_SPL_BUILD
|
|
ifeq ($(CONFIG_TPL_BUILD),y)
|
|
CPPFLAGS += -DCONFIG_TPL_BUILD
|
|
endif
|
|
endif
|
|
|
|
# Does this architecture support generic board init?
|
|
ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
|
|
ifneq ($(CONFIG_SYS_GENERIC_BOARD),)
|
|
CHECK_GENERIC_BOARD = $(error Your architecture does not support generic board. \
|
|
Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file)
|
|
endif
|
|
endif
|
|
|
|
ifneq ($(OBJTREE),$(SRCTREE))
|
|
CPPFLAGS += -I$(OBJTREE)/include
|
|
endif
|
|
|
|
CPPFLAGS += -I$(TOPDIR)/include -I$(SRCTREE)/arch/$(ARCH)/include
|
|
CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
|
|
-isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
|
|
|
|
CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
|
|
|
|
ifdef BUILD_TAG
|
|
CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"'
|
|
endif
|
|
|
|
CFLAGS_SSP := $(call cc-option,-fno-stack-protector)
|
|
CFLAGS += $(CFLAGS_SSP)
|
|
# Some toolchains enable security related warning flags by default,
|
|
# but they don't make much sense in the u-boot world, so disable them.
|
|
CFLAGS_WARN := $(call cc-option,-Wno-format-nonliteral) \
|
|
$(call cc-option,-Wno-format-security)
|
|
CFLAGS += $(CFLAGS_WARN)
|
|
|
|
# Report stack usage if supported
|
|
CFLAGS_STACK := $(call cc-option,-fstack-usage)
|
|
CFLAGS += $(CFLAGS_STACK)
|
|
|
|
BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%))
|
|
|
|
ifeq ($(findstring examples/,$(BCURDIR)),)
|
|
ifeq ($(CONFIG_SPL_BUILD),)
|
|
ifdef FTRACE
|
|
CFLAGS += -finstrument-functions -DFTRACE
|
|
endif
|
|
endif
|
|
endif
|
|
|
|
# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
|
|
# option to the assembler.
|
|
AFLAGS_DEBUG :=
|
|
|
|
# turn jbsr into jsr for m68k
|
|
ifeq ($(ARCH),m68k)
|
|
ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
|
|
AFLAGS_DEBUG := -Wa,-gstabs,-S
|
|
endif
|
|
endif
|
|
|
|
AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
|
|
|
|
LDFLAGS += $(PLATFORM_LDFLAGS)
|
|
LDFLAGS_FINAL += -Bstatic
|
|
|
|
LDFLAGS_u-boot += -T $(obj)u-boot.lds $(LDFLAGS_FINAL)
|
|
ifneq ($(CONFIG_SYS_TEXT_BASE),)
|
|
LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
|
|
endif
|
|
|
|
LDFLAGS_$(SPL_BIN) += -T $(obj)u-boot-spl.lds $(LDFLAGS_FINAL)
|
|
ifneq ($(CONFIG_SPL_TEXT_BASE),)
|
|
LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
|
|
endif
|
|
|
|
# Linus' kernel sanity checking tool
|
|
CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
|
|
-Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
|
|
|
|
# Location of a usable BFD library, where we define "usable" as
|
|
# "built for ${HOST}, supports ${TARGET}". Sensible values are
|
|
# - When cross-compiling: the root of the cross-environment
|
|
# - Linux/ppc (native): /usr
|
|
# - NetBSD/ppc (native): you lose ... (must extract these from the
|
|
# binutils build directory, plus the native and U-Boot include
|
|
# files don't like each other)
|
|
#
|
|
# So far, this is used only by tools/gdb/Makefile.
|
|
|
|
ifeq ($(HOSTOS),darwin)
|
|
BFD_ROOT_DIR = /usr/local/tools
|
|
else
|
|
ifeq ($(HOSTARCH),$(ARCH))
|
|
# native
|
|
BFD_ROOT_DIR = /usr
|
|
else
|
|
#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
|
|
#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
|
|
BFD_ROOT_DIR = /opt/powerpc
|
|
endif
|
|
endif
|
|
|
|
#########################################################################
|
|
|
|
export HOSTCC HOSTCFLAGS HOSTLDFLAGS PEDCFLAGS HOSTSTRIP CROSS_COMPILE \
|
|
AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE
|
|
export CONFIG_SYS_TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
|
|
|
|
#########################################################################
|
|
|
|
# Allow boards to use custom optimize flags on a per dir/file basis
|
|
ALL_AFLAGS = $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR))
|
|
ALL_CFLAGS = $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR))
|
|
EXTRA_CPPFLAGS = $(CPPFLAGS_$(BCURDIR)/$(@F)) $(CPPFLAGS_$(BCURDIR))
|
|
ALL_CFLAGS += $(EXTRA_CPPFLAGS)
|
|
|
|
# The _DEP version uses the $< file target (for dependency generation)
|
|
# See rules.mk
|
|
EXTRA_CPPFLAGS_DEP = $(CPPFLAGS_$(BCURDIR)/$(addsuffix .o,$(basename $<))) \
|
|
$(CPPFLAGS_$(BCURDIR))
|
|
$(obj)%.s: %.S
|
|
$(CPP) $(ALL_AFLAGS) -o $@ $<
|
|
$(obj)%.o: %.S
|
|
$(CC) $(ALL_AFLAGS) -o $@ $< -c
|
|
$(obj)%.o: %.c
|
|
ifneq ($(CHECKSRC),0)
|
|
$(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $<
|
|
endif
|
|
$(CC) $(ALL_CFLAGS) -o $@ $< -c
|
|
$(obj)%.i: %.c
|
|
$(CPP) $(ALL_CFLAGS) -o $@ $< -c
|
|
$(obj)%.s: %.c
|
|
$(CC) $(ALL_CFLAGS) -o $@ $< -c -S
|
|
|
|
#########################################################################
|
|
|
|
# If the list of objects to link is empty, just create an empty built-in.o
|
|
cmd_link_o_target = $(if $(strip $1),\
|
|
$(LD) $(LDFLAGS) -r -o $@ $1,\
|
|
rm -f $@; $(AR) rcs $@ )
|
|
|
|
#########################################################################
|
|
|