Makefile

#
# MPFS HSS Embedded Software
#
# Copyright 2019 Microchip Corporation.
#
# SPDX-License-Identifier: MIT
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
#
# Toplevel HSS Makefile
#

SHELL=/bin/bash

#
# To build the HSS under SoftConsole on Windows, we need to spawn the build out to
# MSYS2. If MSYS2, we need to ensure that the path is correctly setup to find
# genconfig.exe
#
# Therefore, we need to determine whether we are on Linux, or a Unix-ish environment
# such as MSYS2 or Cygwin.
#
SYSTEM:=$(shell uname -s)
ifneq (, $(findstring Linux, $(SYSTEM)))         # Linux-specific mods
  # Nothing special needed
  HOST_LINUX=true
else ifneq (, $(findstring MSYS2_NT, $(SYSTEM)))  # MSYS2-specific mods
  #
  # Adjust the path to ensure that we can run kconfiglib (genconfig) from SoftConsole
  PATH:=/bin:/usr/bin:$(PATH)
  TOOLPATH=$(shell /usr/bin/cygpath "${SC_INSTALL_DIR}/riscv-unknown-elf-gcc/bin")
  PATH:=$(TOOLPATH):$(PATH)
  $(info MSYS2 detected, PATH is "$(PATH)")
  HOST_MSYS_NT=true
else ifneq (, $(findstring CYGWIN, $(SYSTEM)))   # Cygwin-specific mods
  #
  # Currently OPENSBI doesn't build on Cygwin without modifications to its Makefile...
  #
  ifdef CONFIG_OPENSBI
    $(warning OPENSBI build may fail on Cygwin due to issues with file paths)
  endif
  HOST_CYGWIN=true
else
endif

all: ${TARGET}

include .config

RISCV_TARGET:=hss.elf
TARGET:=$(RISCV_TARGET)

ifneq ("$(wildcard boards/${BOARD}/Makefile)","")
  include boards/${BOARD}/Makefile
else
  ifndef BOARD
    $(warning BOARD not specified) # default to icicle if nothing found
    BOARD:=mpfs-icicle-kit-es
    include boards/${BOARD}/Makefile
  else
    $(error Board >>${BOARD}<< not found)
  endif
endif

ifeq ("$(bootmode)", "0")
  LINKER_SCRIPT=boards/${BOARD}/hss-l2lim.ld
else
  LINKER_SCRIPT=boards/${BOARD}/hss.ld
endif
ifeq ("$(wildcard ${LINKER_SCRIPT})", "")
  $(error Linker Script >>${LINKER_SCRIPT}<< not found)
endif

RISCV_TARGET=hss.elf
BINDIR=Default

SRCS-y= \
    hss_state_machine.c \
    hss_clock.c \
    hss_registry.c \

INCLUDES +=\
    -I./include \
    -I.

ASM_SRCS= \
    crt.S \


EXTRA_SRCS-y += \
    hss_init.c \
    hss_main.c

EXTRA_OBJS += $(EXTRA_SRCS-y:.c=.o) $(ASM_SRCS:.S=.o) $(EXTRA_OBJS-y)

MCMODEL=-mcmodel=medany

include rules.mk
include targets.mk
include init/Makefile
include misc/Makefile
include baremetal/Makefile
include ssmb/Makefile
include services/Makefile
include debug/Makefile
include compression/Makefile

LIBS = $(OPENSBI_LIBS)

EXTRA_SRCS-y += misc/stack_guard.c


ifdef CONFIG_OPENSBI
  OPENSBI_LIBS = thirdparty/opensbi/build/lib/libsbi.a
  $(OPENSBI_LIBS):
ifdef CONFIG_WITH_ARCH
	+$(CMD_PREFIX)$(MAKE) CROSS_COMPILE=$(CROSS_COMPILE) CONFIG_WITH_ARCH=$(CONFIG_WITH_ARCH) PLATFORM_RISCV_ABI=$(PLATFORM_RISCV_ABI) PLATFORM_RISCV_ISA=$(PLATFORM_RISCV_ISA) -r --no-print-directory -C thirdparty/opensbi V=$(V)
else
	+$(CMD_PREFIX)$(MAKE) CROSS_COMPILE=$(CROSS_COMPILE) -r --no-print-directory -C thirdparty/opensbi V=$(V)
endif

  .PHONY: $(OPENSBI_LIBS)
else
  OPENSBI_LIBS =
endif

#$(info $$INCLUDES is [${INCLUDES}])

hss_main.o: hss_main.c config.h
	@$(ECHO) " CC        $@";
	$(CMD_PREFIX)$(CC) $(CFLAGS_GCCEXT) $(OPT-y) $(INCLUDES) -c -o $@ $<

hss_init.o: hss_init.c include/tool_versions.h config.h
	@$(ECHO) " CC        $@";
	$(CMD_PREFIX)$(CC) $(CFLAGS_GCCEXT) $(OPT-y) $(INCLUDES) -c -o $@ $<

hss_state_machine.o: hss_state_machine.c config.h
	@$(ECHO) " CC        $@";
	$(CMD_PREFIX)$(CC) $(CFLAGS_GCCEXT) $(OPT-y) $(INCLUDES) -c -o $@ $<

tools/bin2chunks/bootImage.o: tools/bin2chunks/bootImage.c
	@$(ECHO) " CC        $@";
	$(CMD_PREFIX)$(CC) $(CFLAGS_GCCEXT) $(OPT-y) $(INCLUDES) -c -o $@ $<

ifdef CONFIG_CC_USE_MAKEDEP
  DEPENDENCIES=$(SRCS-y:.c=.d) $(EXTRA_SRCS-y:.c=.d) $(TEST_SRCS:.c=.d) $(ASM_SRCS:.S=.d)
  .PHONY: dep
  dep: $(DEPENDENCIES)

  -include $(DEPENDENCIES)
endif

ifdef CONFIG_DISPLAY_TOOL_VERSIONS
include/tool_versions.h:
	$(CMD_PREFIX)echo \#define CC_VERSION_STRING \"`$(CC) --version | head -n 1`\" > include/tool_versions.h
	$(CMD_PREFIX)echo \#define LD_VERSION_STRING \"`$(LD) --version | head -n 1`\" >> include/tool_versions.h

DEPENDENCIES+=include/tool_versions.h
endif

$(RISCV_TARGET): $(OBJS) $(EXTRA_OBJS) config.h  $(DEPENDENCIES) $(LINKER_SCRIPT) $(LIBS)
	@$(ECHO) " LD        $@";
	$(CMD_PREFIX)$(CC) -T $(LINKER_SCRIPT) $(CFLAGS_GCCEXT) $(OPT-y) -static -nostdlib -nostartfiles -nodefaultlibs -Wl,--build-id -Wl,-Map=$(BINDIR)/output.map -Wl,--gc-sections -o $(BINDIR)/$@ $(OBJS) $(EXTRA_OBJS) $(LIBS)
	@$(ECHO) " NM        `basename $@ .elf`.sym";
	$(CMD_PREFIX)$(NM) -n $(BINDIR)/$@ > $(BINDIR)/`basename $@ .elf`.sym
	@$(ECHO) " BIN       `basename $@ .elf`.bin"
	$(CMD_PREFIX)$(OBJCOPY) -O binary $(BINDIR)/$@ $(BINDIR)/`basename $@ .elf`.bin
	@$(ECHO) " HEX       `basename $@ .elf`.hex";
	$(CMD_PREFIX)$(OBJCOPY) -O ihex $(BINDIR)/$@ $(BINDIR)/`basename $@ .elf`.hex
	$(CMD_PREFIX)$(SIZE) $(BINDIR)/$@ 2>/dev/null