nuttx/boards/xtensa/esp32/common/kernel/Makefile
Gustavo Henrique Nihei f78c6432d8 xtensa/esp32: Simplify board linker script selection
Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
2022-12-08 21:55:29 +08:00

102 lines
3.5 KiB
Makefile

############################################################################
# boards/xtensa/esp32/common/kernel/Makefile
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership. The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################
include $(TOPDIR)/Make.defs
# The entry point name (if none is provided in the .config file)
CONFIG_INIT_ENTRYPOINT ?= user_start
ENTRYPT = $(patsubst "%",%,$(CONFIG_INIT_ENTRYPOINT))
# Get the paths to the libraries and the links script path in format that
# is appropriate for the host OS
USER_LIBPATHS = $(addprefix -L,$(call CONVERT_PATH,$(addprefix $(TOPDIR)$(DELIM),$(dir $(USERLIBS)))))
USER_LDSCRIPT = $(call CONVERT_PATH,$(BOARD_COMMON_DIR)$(DELIM)scripts$(DELIM)protected_memory.ld)
USER_LDSCRIPT += $(call CONVERT_PATH,$(BOARD_COMMON_DIR)$(DELIM)scripts$(DELIM)user-space.ld)
USER_HEXFILE += $(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx_user.hex)
USER_BINFILE += $(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx_user.bin)
USER_LDFLAGS = --undefined=$(ENTRYPT) --entry=$(ENTRYPT) $(addprefix -T,$(addsuffix .tmp,$(USER_LDSCRIPT)))
ifeq ($(CONFIG_DEBUG_LINK_MAP),y)
USER_LDFLAGS += --cref -Map="$(TOPDIR)$(DELIM)User.map"
endif
USER_LDLIBS = $(patsubst lib%,-l%,$(basename $(notdir $(USERLIBS))))
USER_LIBGCC = "${shell "$(CC)" $(ARCHCPUFLAGS) -print-libgcc-file-name}"
# Source files
CSRCS = esp32_userspace.c
COBJS = $(CSRCS:.c=$(OBJEXT))
OBJS = $(COBJS)
ifeq ($(LD),$(CC))
LDSTARTGROUP ?= -Wl,--start-group
LDENDGROUP ?= -Wl,--end-group
USER_LDFLAGS := $(addprefix -Xlinker ,$(USER_LDFLAGS))
USER_LDFLAGS += $(CFLAGS)
else
LDSTARTGROUP ?= --start-group
LDENDGROUP ?= --end-group
endif
# Targets:
all: $(TOPDIR)$(DELIM)nuttx_user.elf
.PHONY: nuttx_user.elf depend clean distclean
$(COBJS): %$(OBJEXT): %.c
$(call COMPILE, $<, $@)
$(addsuffix .tmp,$(USER_LDSCRIPT)): $(USER_LDSCRIPT)
$(call PREPROCESS,$(patsubst %.tmp,%,$@),$@)
# Create the nuttx_user.elf file containing all of the user-mode code
nuttx_user.elf: $(OBJS) $(addsuffix .tmp,$(USER_LDSCRIPT))
$(Q) $(LD) -o $@ $(USER_LDFLAGS) $(USER_LIBPATHS) $(OBJS) $(LDSTARTGROUP) $(USER_LDLIBS) $(LDENDGROUP) $(USER_LIBGCC)
$(TOPDIR)$(DELIM)nuttx_user.elf: nuttx_user.elf
$(Q) echo "LD: nuttx_user.elf"
$(Q) cp -a nuttx_user.elf $(TOPDIR)$(DELIM)nuttx_user.elf
ifeq ($(CONFIG_INTELHEX_BINARY),y)
$(Q) echo "CP: nuttx_user.hex"
$(Q) $(OBJCOPY) $(OBJCOPYARGS) -O ihex nuttx_user.elf $(USER_HEXFILE)
endif
ifeq ($(CONFIG_RAW_BINARY),y)
$(Q) echo "CP: nuttx_user.bin"
$(Q) $(OBJCOPY) $(OBJCOPYARGS) -O binary nuttx_user.elf $(USER_BINFILE)
endif
$(Q) $(call DELFILE,$(addsuffix .tmp,$(USER_LDSCRIPT)))
.depend:
depend: .depend
clean:
$(call DELFILE, nuttx_user.elf)
$(call DELFILE, "$(TOPDIR)$(DELIM)nuttx_user.*")
$(call DELFILE, "$(TOPDIR)$(DELIM)User.map")
$(call CLEAN)
distclean: clean