Initial commit.

Signed-off-by: Anup Patel <anup.patel@wdc.com>

1 files changed, 296 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..ff41674
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,296 @@
+#
+# Copyright (c) 2018 Western Digital Corporation or its affiliates.
+#
+# Authors:
+#   Anup Patel <anup.patel@wdc.com>
+#
+# SPDX-License-Identifier: BSD-2-Clause
+#
+
+# Current Version
+MAJOR = 0
+MINOR = 1
+
+# Select Make Options:
+# o  Do not use make's built-in rules and variables
+# o  Do not print "Entering directory ...";
+MAKEFLAGS += -rR --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
+
+# Check if verbosity is ON for build process
+VERBOSE_DEFAULT    := 0
+CMD_PREFIX_DEFAULT := @
+ifdef VERBOSE
+	ifeq ("$(origin VERBOSE)", "command line")
+		VB := $(VERBOSE)
+	else
+		VB := $(VERBOSE_DEFAULT)
+	endif
+else
+	VB := $(VERBOSE_DEFAULT)
+endif
+ifeq ($(VB), 1)
+	override V :=
+else
+	override V := $(CMD_PREFIX_DEFAULT)
+endif
+
+# Setup path of directories
+export plat_subdir=plat/$(PLAT)
+export plat_dir=$(CURDIR)/$(plat_subdir)
+export plat_common_dir=$(CURDIR)/plat/common
+export include_dir=$(CURDIR)/include
+export lib_dir=$(CURDIR)/lib
+export blob_dir=$(CURDIR)/blob
+
+# Setup list of objects.mk files
+ifdef PLAT
+plat-object-mks=$(shell if [ -d $(plat_dir) ]; then find $(plat_dir) -iname "objects.mk" | sort -r; fi)
+plat-common-object-mks=$(shell if [ -d $(plat_common_dir) ]; then find $(plat_common_dir) -iname "objects.mk" | sort -r; fi)
+endif
+lib-object-mks=$(shell if [ -d $(lib_dir) ]; then find $(lib_dir) -iname "objects.mk" | sort -r; fi)
+blob-object-mks=$(shell if [ -d $(blob_dir) ]; then find $(blob_dir) -iname "objects.mk" | sort -r; fi)
+
+# Include platform specifig config.mk
+ifdef PLAT
+include $(plat_dir)/config.mk
+endif
+
+# Include all object.mk files
+ifdef PLAT
+include $(plat-object-mks)
+include $(plat-common-object-mks)
+endif
+include $(lib-object-mks)
+include $(blob-object-mks)
+
+# Setup list of objects
+lib-objs-path-y=$(foreach obj,$(lib-objs-y),$(build_dir)/lib/$(obj))
+ifdef PLAT
+plat-objs-path-y=$(foreach obj,$(plat-objs-y),$(build_dir)/$(plat_subdir)/$(obj))
+plat-common-objs-path-y=$(foreach obj,$(plat-common-objs-y),$(build_dir)/plat/common/$(obj))
+blob-bins-path-y=$(foreach bin,$(blob-bins-y),$(build_dir)/$(plat_subdir)/blob/$(bin))
+endif
+blob-elfs-path-y=$(blob-bins-path-y:.bin=.elf)
+blob-objs-path-y=$(blob-bins-path-y:.bin=.o)
+
+# Setup list of deps files for objects
+deps-y=$(plat-objs-path-y:.o=.dep)
+deps-y+=$(plat-common-objs-path-y:.o=.dep)
+deps-y+=$(lib-objs-path-y:.o=.dep)
+deps-y+=$(blob-objs-path-y:.o=.dep)
+
+# Setup compilation environment
+cpp=$(CROSS_COMPILE)cpp
+cppflags+=-DOPENSBI_MAJOR=$(MAJOR)
+cppflags+=-DOPENSBI_MINOR=$(MINOR)
+cppflags+=-I$(plat_dir)/include
+cppflags+=-I$(plat_common_dir)/include
+cppflags+=-I$(include_dir)
+cppflags+=$(plat-cppflags-y)
+cppflags+=$(blob-cppflags-y)
+cc=$(CROSS_COMPILE)gcc
+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+=$(cppflags)
+cflags+=$(plat-cflags-y)
+cflags+=$(blob-cflags-y)
+cflags+=$(EXTRA_CFLAGS)
+as=$(CROSS_COMPILE)gcc
+asflags=-g -Wall -nostdlib -D__ASSEMBLY__
+asflags+=-fno-omit-frame-pointer -fno-optimize-sibling-calls
+asflags+=-mno-save-restore -mstrict-align
+asflags+=$(cppflags)
+asflags+=$(plat-asflags-y)
+asflags+=$(blob-asflags-y)
+asflags+=$(EXTRA_ASFLAGS)
+ar=$(CROSS_COMPILE)ar
+arflags=rcs
+ld=$(CROSS_COMPILE)gcc
+ldflags=-g -Wall -nostdlib -Wl,--build-id=none
+ldflags+=$(plat-ldflags-y)
+ldflags+=$(blob-ldflags-y)
+merge=$(CROSS_COMPILE)ld
+mergeflags=-r
+objcopy=$(CROSS_COMPILE)objcopy
+
+# Setup functions for compilation
+define dynamic_flags
+-I$(shell dirname $(2)) -D__OBJNAME__=$(subst -,_,$(shell basename $(1) .o))
+endef
+merge_objs = $(V)mkdir -p `dirname $(1)`; \
+	     echo " MERGE     $(subst $(build_dir)/,,$(1))"; \
+	     $(merge) $(mergeflags) $(2) -o $(1)
+merge_deps = $(V)mkdir -p `dirname $(1)`; \
+	     echo " MERGE-DEP $(subst $(build_dir)/,,$(1))"; \
+	     cat $(2) > $(1)
+copy_file =  $(V)mkdir -p `dirname $(1)`; \
+	     echo " COPY      $(subst $(build_dir)/,,$(1))"; \
+	     cp -f $(2) $(1)
+inst_file =  $(V)mkdir -p `dirname $(1)`; \
+	     echo " INSTALL   $(subst $(install_dir)/,,$(1))"; \
+	     cp -f $(2) $(1)
+inst_file_list = $(V)if [ ! -z "$(3)" ]; then \
+	     mkdir -p $(1); \
+	     for f in $(3) ; do \
+	     echo " INSTALL   "$(2)"/"`basename $$f`; \
+	     cp -f $$f $(1); \
+	     done \
+	     fi
+inst_header_dir =  $(V)mkdir -p $(1); \
+	     echo " INSTALL   $(subst $(install_dir)/,,$(1))"; \
+	     cp -rf $(2) $(1)
+compile_cpp = $(V)mkdir -p `dirname $(1)`; \
+	     echo " CPP       $(subst $(build_dir)/,,$(1))"; \
+	     $(cpp) $(cppflags) $(2) | grep -v "\#" > $(1)
+compile_cc_dep = $(V)mkdir -p `dirname $(1)`; \
+	     echo " CC-DEP    $(subst $(build_dir)/,,$(1))"; \
+	     echo -n `dirname $(1)`/ > $(1) && \
+	     $(cc) $(cflags) $(call dynamic_flags,$(1),$(2))   \
+	       -MM $(2) >> $(1) || rm -f $(1)
+compile_cc = $(V)mkdir -p `dirname $(1)`; \
+	     echo " CC        $(subst $(build_dir)/,,$(1))"; \
+	     $(cc) $(cflags) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1)
+compile_as_dep = $(V)mkdir -p `dirname $(1)`; \
+	     echo " AS-DEP    $(subst $(build_dir)/,,$(1))"; \
+	     echo -n `dirname $(1)`/ > $(1) && \
+	     $(as) $(asflags) $(call dynamic_flags,$(1),$(2))  \
+	       -MM $(2) >> $(1) || rm -f $(1)
+compile_as = $(V)mkdir -p `dirname $(1)`; \
+	     echo " AS        $(subst $(build_dir)/,,$(1))"; \
+	     $(as) $(asflags) $(call dynamic_flags,$(1),$(2)) -c $(2) -o $(1)
+compile_ld = $(V)mkdir -p `dirname $(1)`; \
+	     echo " LD        $(subst $(build_dir)/,,$(1))"; \
+	     $(ld) $(3) $(ldflags) -Wl,-T$(2) -o $(1)
+compile_ar = $(V)mkdir -p `dirname $(1)`; \
+	     echo " AR        $(subst $(build_dir)/,,$(1))"; \
+	     $(ar) $(arflags) $(1) $(2)
+compile_objcopy = $(V)mkdir -p `dirname $(1)`; \
+	     echo " OBJCOPY   $(subst $(build_dir)/,,$(1))"; \
+	     $(objcopy) -S -O binary $(2) $(1)
+
+targets-y  = $(build_dir)/lib/libsbi.a
+ifdef PLAT
+targets-y += $(build_dir)/$(plat_subdir)/lib/libplatsbi.a
+endif
+targets-y += $(blob-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 $(build_dir)/$(plat_subdir)/lib/libplatsbi.a
+	$(call compile_ld,$@,$@.ld,$< $(build_dir)/$(plat_subdir)/lib/libplatsbi.a)
+
+$(build_dir)/$(plat_subdir)/%.ld: $(src_dir)/%.ldS
+	$(call compile_cpp,$@,$<)
+
+$(build_dir)/lib/libsbi.a: $(lib-objs-path-y)
+	$(call compile_ar,$@,$^)
+
+$(build_dir)/$(plat_subdir)/lib/libplatsbi.a: $(lib-objs-path-y) $(plat-common-objs-path-y) $(plat-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
+	$(call compile_as,$@,$<)
+
+$(build_dir)/$(plat_subdir)/%.dep: $(src_dir)/%.c
+	$(call compile_cc_dep,$@,$<)
+
+$(build_dir)/$(plat_subdir)/%.o: $(src_dir)/%.c
+	$(call compile_cc,$@,$<)
+
+$(build_dir)/$(plat_subdir)/%.dep: $(src_dir)/%.S
+	$(call compile_as_dep,$@,$<)
+
+$(build_dir)/$(plat_subdir)/%.o: $(src_dir)/%.S
+	$(call compile_as,$@,$<)
+
+# Dependency files should only be included after default Makefile rule
+# 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)
+
+install_targets-y  = install_libsbi
+ifdef PLAT
+install_targets-y += install_libplatsbi
+install_targets-y += install_blobs
+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_libplatsbi
+install_libplatsbi: $(build_dir)/$(plat_subdir)/lib/libplatsbi.a $(build_dir)/lib/libsbi.a
+	$(call inst_header_dir,$(install_dir)/$(plat_subdir)/include,$(include_dir)/sbi)
+	$(call inst_file,$(install_dir)/$(plat_subdir)/lib/libplatsbi.a,$(build_dir)/$(plat_subdir)/lib/libplatsbi.a)
+
+.PHONY: install_blobs
+install_blobs: $(build_dir)/$(plat_subdir)/lib/libplatsbi.a $(build_dir)/lib/libsbi.a $(blob-bins-path-y)
+	$(call inst_file_list,$(install_dir)/$(plat_subdir)/blob,$(plat_subdir)/blob,$(blob-elfs-path-y))
+	$(call inst_file_list,$(install_dir)/$(plat_subdir)/blob,$(plat_subdir)/blob,$(blob-bins-path-y))
+
+# Rule for "make clean"
+.PHONY: clean
+clean:
+ifeq ($(build_dir),$(CURDIR)/build)
+	$(V)mkdir -p $(build_dir)
+	$(if $(V), @echo " CLEAN     $(build_dir)")
+	$(V)find $(build_dir) -maxdepth 1 -type f -exec rm -rf {} +
+endif
+
+# Rule for "make distclean"
+.PHONY: distclean
+distclean:
+ifeq ($(build_dir),$(CURDIR)/build)
+	$(if $(V), @echo " RM        $(build_dir)")
+	$(V)rm -rf $(build_dir)
+endif
+ifeq ($(install_dir),$(CURDIR)/install)
+	$(if $(V), @echo " RM        $(install_dir)")
+	$(V)rm -rf $(install_dir)
+endif