blob: 9aff0703d050be2a261561767a3b0d930574e3cd [file] [log] [blame]
#
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2019 Western Digital Corporation or its affiliates.
#
# Authors:
# Anup Patel <anup.patel@wdc.com>
#
# Select Make Options:
# o Do not use make's built-in rules
# o Do not print "Entering directory ...";
MAKEFLAGS += -r --no-print-directory
# Find out source, build, and install directories
src_dir=$(CURDIR)
ifdef O
build_dir=$(shell readlink -f $(O))
else
build_dir=$(CURDIR)/build
endif
ifeq ($(build_dir),$(CURDIR))
$(error Build directory is same as source directory.)
endif
ifdef I
install_dir=$(shell readlink -f $(I))
else
install_dir=$(CURDIR)/install
endif
ifeq ($(install_dir),$(CURDIR))
$(error Install directory is same as source directory.)
endif
ifeq ($(install_dir),$(build_dir))
$(error Install directory is same as build directory.)
endif
ifdef PLATFORM_DIR
platform_dir_path=$(shell readlink -f $(PLATFORM_DIR))
ifdef PLATFORM
platform_parent_dir=$(platform_dir_path)
else
PLATFORM=$(shell basename $(platform_dir_path))
platform_parent_dir=$(subst $(PLATFORM),,$(platform_dir_path))
endif
else
platform_parent_dir=$(src_dir)/platform
endif
# Check if verbosity is ON for build process
CMD_PREFIX_DEFAULT := @
ifeq ($(V), 1)
CMD_PREFIX :=
else
CMD_PREFIX := $(CMD_PREFIX_DEFAULT)
endif
# Setup path of directories
export platform_subdir=$(PLATFORM)
export platform_src_dir=$(platform_parent_dir)/$(platform_subdir)
export platform_build_dir=$(build_dir)/platform/$(platform_subdir)
export include_dir=$(CURDIR)/include
export libsbi_dir=$(CURDIR)/lib/sbi
export libsbiutils_dir=$(CURDIR)/lib/utils
export firmware_dir=$(CURDIR)/firmware
# Find library version
OPENSBI_VERSION_MAJOR=`grep "define OPENSBI_VERSION_MAJOR" $(include_dir)/sbi/sbi_version.h | sed 's/.*MAJOR.*\([0-9][0-9]*\)/\1/'`
OPENSBI_VERSION_MINOR=`grep "define OPENSBI_VERSION_MINOR" $(include_dir)/sbi/sbi_version.h | sed 's/.*MINOR.*\([0-9][0-9]*\)/\1/'`
OPENSBI_VERSION_GIT=$(shell if [ -d $(src_dir)/.git ]; then git describe 2> /dev/null; fi)
# Setup compilation commands
ifdef CROSS_COMPILE
CC = $(CROSS_COMPILE)gcc
CPP = $(CROSS_COMPILE)cpp
AR = $(CROSS_COMPILE)ar
LD = $(CROSS_COMPILE)ld
OBJCOPY = $(CROSS_COMPILE)objcopy
else
CC ?= gcc
CPP ?= cpp
AR ?= ar
LD ?= ld
OBJCOPY ?= objcopy
endif
AS = $(CC)
DTC = dtc
# Guess the compillers xlen
OPENSBI_CC_XLEN := $(shell TMP=`$(CC) -dumpmachine | sed 's/riscv\([0-9][0-9]\).*/\1/'`; echo $${TMP})
# Setup platform XLEN
ifndef PLATFORM_RISCV_XLEN
ifeq ($(OPENSBI_CC_XLEN), 32)
PLATFORM_RISCV_XLEN = 32
else
PLATFORM_RISCV_XLEN = 64
endif
endif
# Setup list of objects.mk files
ifdef PLATFORM
platform-object-mks=$(shell if [ -d $(platform_src_dir)/ ]; then find $(platform_src_dir) -iname "objects.mk" | sort -r; fi)
endif
libsbi-object-mks=$(shell if [ -d $(libsbi_dir) ]; then find $(libsbi_dir) -iname "objects.mk" | sort -r; fi)
libsbiutils-object-mks=$(shell if [ -d $(libsbiutils_dir) ]; then find $(libsbiutils_dir) -iname "objects.mk" | sort -r; fi)
firmware-object-mks=$(shell if [ -d $(firmware_dir) ]; then find $(firmware_dir) -iname "objects.mk" | sort -r; fi)
# Include platform specifig config.mk
ifdef PLATFORM
include $(platform_src_dir)/config.mk
endif
# Include all object.mk files
ifdef PLATFORM
include $(platform-object-mks)
endif
include $(libsbi-object-mks)
include $(libsbiutils-object-mks)
include $(firmware-object-mks)
# Setup list of objects
libsbi-objs-path-y=$(foreach obj,$(libsbi-objs-y),$(build_dir)/lib/sbi/$(obj))
libsbiutils-objs-path-y=$(foreach obj,$(libsbiutils-objs-y),$(build_dir)/lib/utils/$(obj))
ifdef PLATFORM
platform-objs-path-y=$(foreach obj,$(platform-objs-y),$(platform_build_dir)/$(obj))
platform-dtb-path-y=$(foreach obj,$(platform-dtb-y),$(platform_build_dir)/$(obj))
firmware-bins-path-y=$(foreach bin,$(firmware-bins-y),$(platform_build_dir)/firmware/$(bin))
endif
firmware-elfs-path-y=$(firmware-bins-path-y:.bin=.elf)
firmware-objs-path-y=$(firmware-bins-path-y:.bin=.o)
# Setup list of deps files for objects
deps-y=$(platform-objs-path-y:.o=.dep)
deps-y+=$(libsbi-objs-path-y:.o=.dep)
deps-y+=$(libsbiutils-objs-path-y:.o=.dep)
deps-y+=$(firmware-objs-path-y:.o=.dep)
# Setup platform ABI, ISA and Code Model
ifndef PLATFORM_RISCV_ABI
ifeq ($(PLATFORM_RISCV_XLEN), 32)
PLATFORM_RISCV_ABI = ilp$(PLATFORM_RISCV_XLEN)
else
PLATFORM_RISCV_ABI = lp$(PLATFORM_RISCV_XLEN)
endif
endif
ifndef PLATFORM_RISCV_ISA
PLATFORM_RISCV_ISA = rv$(PLATFORM_RISCV_XLEN)imafdc
endif
ifndef PLATFORM_RISCV_CODE_MODEL
PLATFORM_RISCV_CODE_MODEL = medany
endif
# Setup compilation commands flags
GENFLAGS = -I$(platform_src_dir)/include
GENFLAGS += -I$(include_dir)
ifneq ($(OPENSBI_VERSION_GIT),)
GENFLAGS += -DOPENSBI_VERSION_GIT="\"$(OPENSBI_VERSION_GIT)\""
endif
GENFLAGS += $(libsbiutils-genflags-y)
GENFLAGS += $(platform-genflags-y)
GENFLAGS += $(firmware-genflags-y)
CFLAGS = -g -Wall -Werror -nostdlib -fno-strict-aliasing -O2
CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
CFLAGS += -mno-save-restore -mstrict-align
CFLAGS += -mabi=$(PLATFORM_RISCV_ABI) -march=$(PLATFORM_RISCV_ISA)
CFLAGS += -mcmodel=$(PLATFORM_RISCV_CODE_MODEL)
CFLAGS += $(GENFLAGS)
CFLAGS += $(platform-cflags-y)
CFLAGS += $(firmware-cflags-y)
CFLAGS += -fno-pie -no-pie
CPPFLAGS += $(GENFLAGS)
CPPFLAGS += $(platform-cppflags-y)
CPPFLAGS += $(firmware-cppflags-y)
ASFLAGS = -g -Wall -nostdlib -D__ASSEMBLY__
ASFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
ASFLAGS += -mno-save-restore -mstrict-align
ASFLAGS += -mabi=$(PLATFORM_RISCV_ABI) -march=$(PLATFORM_RISCV_ISA)
ASFLAGS += -mcmodel=$(PLATFORM_RISCV_CODE_MODEL)
ASFLAGS += $(GENFLAGS)
ASFLAGS += $(platform-asflags-y)
ASFLAGS += $(firmware-asflags-y)
ARFLAGS = rcs
ELFFLAGS += -Wl,--build-id=none -N -static-libgcc -lgcc
ELFFLAGS += $(platform-ldflags-y)
ELFFLAGS += $(firmware-ldflags-y)
MERGEFLAGS += -r
MERGEFLAGS += -b elf$(PLATFORM_RISCV_XLEN)-littleriscv
MERGEFLAGS += -m elf$(PLATFORM_RISCV_XLEN)lriscv
DTCFLAGS = -O dtb
# Setup functions for compilation
define dynamic_flags
-I$(shell dirname $(2)) -D__OBJNAME__=$(subst -,_,$(shell basename $(1) .o))
endef
merge_objs = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " MERGE $(subst $(build_dir)/,,$(1))"; \
$(LD) $(MERGEFLAGS) $(2) -o $(1)
merge_deps = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " MERGE-DEP $(subst $(build_dir)/,,$(1))"; \
cat $(2) > $(1)
copy_file = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " COPY $(subst $(build_dir)/,,$(1))"; \
cp -f $(2) $(1)
inst_file = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " INSTALL $(subst $(install_dir)/,,$(1))"; \
cp -f $(2) $(1)
inst_file_list = $(CMD_PREFIX)if [ ! -z "$(4)" ]; then \
mkdir -p $(1)/$(3); \
for file in $(4) ; do \
rel_file=`echo $$file | sed -e 's@$(2)/$(3)/@@'`; \
dest_file=$(1)"/"$(3)"/"`echo $$rel_file`; \
dest_dir=`dirname $$dest_file`; \
echo " INSTALL "$(3)"/"`echo $$rel_file`; \
mkdir -p $$dest_dir; \
cp -f $$file $$dest_file; \
done \
fi
inst_header_dir = $(CMD_PREFIX)mkdir -p $(1); \
echo " INSTALL $(subst $(install_dir)/,,$(1))"; \
cp -rf $(2) $(1)
compile_cpp = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " CPP $(subst $(build_dir)/,,$(1))"; \
$(CPP) $(CPPFLAGS) -x c $(2) | grep -v "\#" > $(1)
compile_cc_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " CC-DEP $(subst $(build_dir)/,,$(1))"; \
printf %s `dirname $(1)`/ > $(1) && \
$(CC) $(CFLAGS) $(call dynamic_flags,$(1),$(2)) \
-MM $(2) >> $(1) || rm -f $(1)
compile_cc = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " CC $(subst $(build_dir)/,,$(1))"; \
$(CC) $(CFLAGS) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1)
compile_as_dep = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " AS-DEP $(subst $(build_dir)/,,$(1))"; \
printf %s `dirname $(1)`/ > $(1) && \
$(AS) $(ASFLAGS) $(call dynamic_flags,$(1),$(2)) \
-MM $(2) >> $(1) || rm -f $(1)
compile_as = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " AS $(subst $(build_dir)/,,$(1))"; \
$(AS) $(ASFLAGS) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1)
compile_elf = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " ELF $(subst $(build_dir)/,,$(1))"; \
$(CC) $(CFLAGS) $(3) $(ELFFLAGS) -Wl,-T$(2) -o $(1)
compile_ar = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " AR $(subst $(build_dir)/,,$(1))"; \
$(AR) $(ARFLAGS) $(1) $(2)
compile_objcopy = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " OBJCOPY $(subst $(build_dir)/,,$(1))"; \
$(OBJCOPY) -S -O binary $(2) $(1)
compile_dts = $(CMD_PREFIX)mkdir -p `dirname $(1)`; \
echo " DTC $(subst $(build_dir)/,,$(1))"; \
$(DTC) $(DTCFLAGS) -o $(1) $(2)
targets-y = $(build_dir)/lib/libsbi.a
targets-y += $(build_dir)/lib/libsbiutils.a
ifdef PLATFORM
targets-y += $(platform_build_dir)/lib/libplatsbi.a
targets-y += $(platform-dtb-path-y)
endif
targets-y += $(firmware-bins-path-y)
# Default rule "make" should always be first rule
.PHONY: all
all: $(targets-y)
# Preserve all intermediate files
.SECONDARY:
$(build_dir)/%.bin: $(build_dir)/%.elf
$(call compile_objcopy,$@,$<)
$(build_dir)/%.elf: $(build_dir)/%.o $(build_dir)/%.elf.ld $(platform_build_dir)/lib/libplatsbi.a
$(call compile_elf,$@,$@.ld,$< $(platform_build_dir)/lib/libplatsbi.a)
$(platform_build_dir)/%.ld: $(src_dir)/%.ldS
$(call compile_cpp,$@,$<)
$(build_dir)/lib/libsbi.a: $(libsbi-objs-path-y)
$(call compile_ar,$@,$^)
$(build_dir)/lib/libsbiutils.a: $(libsbi-objs-path-y) $(libsbiutils-objs-path-y)
$(call compile_ar,$@,$^)
$(platform_build_dir)/lib/libplatsbi.a: $(libsbi-objs-path-y) $(libsbiutils-objs-path-y) $(platform-objs-path-y)
$(call compile_ar,$@,$^)
$(build_dir)/%.dep: $(src_dir)/%.c
$(call compile_cc_dep,$@,$<)
$(build_dir)/%.o: $(src_dir)/%.c
$(call compile_cc,$@,$<)
$(build_dir)/%.dep: $(src_dir)/%.S
$(call compile_as_dep,$@,$<)
$(build_dir)/%.o: $(src_dir)/%.S
$(call compile_as,$@,$<)
$(platform_build_dir)/%.dep: $(platform_src_dir)/%.c
$(call compile_cc_dep,$@,$<)
$(platform_build_dir)/%.o: $(platform_src_dir)/%.c
$(call compile_cc,$@,$<)
$(platform_build_dir)/%.dep: $(platform_src_dir)/%.S
$(call compile_as_dep,$@,$<)
$(platform_build_dir)/%.o: $(platform_src_dir)/%.S
$(call compile_as,$@,$<)
$(platform_build_dir)/%.dep: $(src_dir)/%.c
$(call compile_cc_dep,$@,$<)
$(platform_build_dir)/%.o: $(src_dir)/%.c
$(call compile_cc,$@,$<)
$(platform_build_dir)/%.dep: $(src_dir)/%.S
$(call compile_as_dep,$@,$<)
$(platform_build_dir)/%.o: $(src_dir)/%.S
$(call compile_as,$@,$<)
$(build_dir)/%.dtb: $(src_dir)/%.dts
$(call compile_dts,$@,$<)
# Rule for "make docs"
$(build_dir)/docs/latex/refman.pdf: $(build_dir)/docs/latex/refman.tex
$(CMD_PREFIX)mkdir -p $(build_dir)/docs
$(CMD_PREFIX)$(MAKE) -C $(build_dir)/docs/latex
$(build_dir)/docs/latex/refman.tex: $(build_dir)/docs/doxygen.cfg
$(CMD_PREFIX)mkdir -p $(build_dir)/docs
$(CMD_PREFIX)doxygen $(build_dir)/docs/doxygen.cfg
$(build_dir)/docs/doxygen.cfg: $(src_dir)/docs/doxygen.cfg
$(CMD_PREFIX)mkdir -p $(build_dir)/docs
$(CMD_PREFIX)cat docs/doxygen.cfg | sed -e "s#@@SRC_DIR@@#$(src_dir)#" -e "s#@@BUILD_DIR@@#$(build_dir)#" -e "s#@@OPENSBI_MAJOR@@#$(OPENSBI_VERSION_MAJOR)#" -e "s#@@OPENSBI_MINOR@@#$(OPENSBI_VERSION_MINOR)#" > $(build_dir)/docs/doxygen.cfg
.PHONY: docs
docs: $(build_dir)/docs/latex/refman.pdf
# Dependency files should only be included after default Makefile rules
# They should not be included for any "xxxconfig" or "xxxclean" rule
all-deps-1 = $(if $(findstring config,$(MAKECMDGOALS)),,$(deps-y))
all-deps-2 = $(if $(findstring clean,$(MAKECMDGOALS)),,$(all-deps-1))
-include $(all-deps-2)
# Include external dependency of firmwares after default Makefile rules
include $(src_dir)/firmware/external_deps.mk
# Convenient "make run" command for emulated platforms
.PHONY: run
run: all
ifneq ($(platform-runcmd),)
$(platform-runcmd) $(RUN_ARGS)
else
ifdef PLATFORM
@echo "Platform $(PLATFORM) doesn't specify a run command"
@false
else
@echo Run command only available when targeting a platform
@false
endif
endif
install_targets-y = install_libsbi
install_targets-y += install_libsbiutils
ifdef PLATFORM
install_targets-y += install_libplatsbi
install_targets-y += install_firmwares
endif
# Rule for "make install"
.PHONY: install
install: $(install_targets-y)
.PHONY: install_libsbi
install_libsbi: $(build_dir)/lib/libsbi.a
$(call inst_header_dir,$(install_dir)/include,$(include_dir)/sbi)
$(call inst_file,$(install_dir)/lib/libsbi.a,$(build_dir)/lib/libsbi.a)
.PHONY: install_libsbiutils
install_libsbiutils: $(build_dir)/lib/libsbiutils.a
$(call inst_header_dir,$(install_dir)/include,$(include_dir)/sbi_utils)
$(call inst_file,$(install_dir)/lib/libsbiutils.a,$(build_dir)/lib/libsbiutils.a)
.PHONY: install_libplatsbi
install_libplatsbi: $(platform_build_dir)/lib/libplatsbi.a $(build_dir)/lib/libsbi.a $(build_dir)/lib/libsbiutils.a
$(call inst_file,$(install_dir)/platform/$(platform_subdir)/lib/libplatsbi.a,$(platform_build_dir)/lib/libplatsbi.a)
.PHONY: install_firmwares
install_firmwares: $(platform_build_dir)/lib/libplatsbi.a $(build_dir)/lib/libsbi.a $(build_dir)/lib/libsbiutils.a $(firmware-bins-path-y)
$(call inst_file_list,$(install_dir),$(build_dir),platform/$(platform_subdir)/firmware,$(firmware-elfs-path-y))
$(call inst_file_list,$(install_dir),$(build_dir),platform/$(platform_subdir)/firmware,$(firmware-bins-path-y))
.PHONY: install_docs
install_docs: $(build_dir)/docs/latex/refman.pdf
$(call inst_file,$(install_dir)/docs/refman.pdf,$(build_dir)/docs/latex/refman.pdf)
# Rule for "make clean"
.PHONY: clean
clean:
$(CMD_PREFIX)mkdir -p $(build_dir)
$(if $(V), @echo " RM $(build_dir)/*.o")
$(CMD_PREFIX)find $(build_dir) -type f -name "*.o" -exec rm -rf {} +
$(if $(V), @echo " RM $(build_dir)/*.a")
$(CMD_PREFIX)find $(build_dir) -type f -name "*.a" -exec rm -rf {} +
$(if $(V), @echo " RM $(build_dir)/*.elf")
$(CMD_PREFIX)find $(build_dir) -type f -name "*.elf" -exec rm -rf {} +
$(if $(V), @echo " RM $(build_dir)/*.bin")
$(CMD_PREFIX)find $(build_dir) -type f -name "*.bin" -exec rm -rf {} +
# Rule for "make distclean"
.PHONY: distclean
distclean: clean
$(CMD_PREFIX)mkdir -p $(build_dir)
$(if $(V), @echo " RM $(build_dir)/*.dep")
$(CMD_PREFIX)find $(build_dir) -type f -name "*.dep" -exec rm -rf {} +
ifeq ($(build_dir),$(CURDIR)/build)
$(if $(V), @echo " RM $(build_dir)")
$(CMD_PREFIX)rm -rf $(build_dir)
endif
ifeq ($(install_dir),$(CURDIR)/install)
$(if $(V), @echo " RM $(install_dir)")
$(CMD_PREFIX)rm -rf $(install_dir)
endif