nuttx/boards/xtensa/esp32/esp32-devkitc/scripts/Make.defs

############################################################################
# boards/xtensa/esp32/esp32-devkitc/scripts/Make.defs
#
# 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)/.config
include $(TOPDIR)/tools/Config.mk
include $(TOPDIR)/tools/esp32/Config.mk
include $(TOPDIR)/arch/xtensa/src/lx6/Toolchain.defs

# Pick the linker scripts from the board level if they exist, if not
# pick the common linker scripts.

ifneq ($(wildcard $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32_rom.ld),)
	LDSCRIPT_ROM = $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32_rom.ld
else
	LDSCRIPT_ROM = $(BOARD_COMMON_DIR)$(DELIM)scripts$(DELIM)esp32_rom.ld
endif

ifneq ($(wildcard $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32.ld),)
	LDSCRIPT_SECT = $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32.ld
else
	ifeq ($(CONFIG_ESP32_APP_FORMAT_MCUBOOT),y)
		LDSCRIPT_SECT = $(BOARD_COMMON_DIR)$(DELIM)scripts$(DELIM)esp32_mcuboot.ld
	else
		LDSCRIPT_SECT = $(BOARD_COMMON_DIR)$(DELIM)scripts$(DELIM)esp32.ld
	endif
endif

ifneq ($(wildcard $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32.template.ld),)
	LDSCRIPT_TEMPLATE = $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32.template.ld
else
	LDSCRIPT_TEMPLATE = $(BOARD_COMMON_DIR)$(DELIM)scripts$(DELIM)esp32.template.ld
endif

# This is the generated memory layout linker script.  It will always be
# generated at the board level.

LDSCRIPT_MEMORY = $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32_out.ld

ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
  ARCHSCRIPT = -T "${shell cygpath -w $(LDSCRIPT_MEMORY)}"
  ARCHSCRIPT += -T "${shell cygpath -w $(LDSCRIPT_SECT)}"
  ARCHSCRIPT += -T "${shell cygpath -w $(LDSCRIPT_ROM)}"
else
  ARCHSCRIPT = -T$(LDSCRIPT_MEMORY) -T$(LDSCRIPT_SECT) -T$(LDSCRIPT_ROM)
endif

ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
  ARCHOPTIMIZATION = -g
endif

ifneq ($(CONFIG_DEBUG_NOOPT),y)
  ARCHOPTIMIZATION += $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
endif

ARCHCFLAGS = -fno-builtin -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -mlongcalls
ARCHCXXFLAGS = $(ARCHCFLAGS) -fno-exceptions -fcheck-new -fno-rtti
ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef
ARCHWARNINGSXX = -Wall -Wshadow -Wundef
ARCHPICFLAGS = -fpic

# if SPIRAM/PSRAM is used then we need to include a workaround

ifeq ($(CONFIG_ESP32_SPIRAM),y)
  ARCHCFLAGS += -mfix-esp32-psram-cache-issue
endif

CFLAGS := $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe
CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
CXXFLAGS := $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS) -pipe
CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
CPPFLAGS := $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRAFLAGS)
AFLAGS := $(CFLAGS) -D__ASSEMBLY__

NXFLATLDFLAGS1 = -r -d -warn-common
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
LDNXFLATFLAGS = -e main -s 2048

# Loadable module definitions

CMODULEFLAGS = $(CFLAGS) -mtext-section-literals

LDMODULEFLAGS = -r -e module_initialize
ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
  LDMODULEFLAGS += -T "${shell cygpath -w $(TOPDIR)/libs/libc/modlib/gnu-elf.ld}"
else
  LDMODULEFLAGS += -T $(TOPDIR)/libs/libc/modlib/gnu-elf.ld
endif

# ELF module definitions

CELFFLAGS = $(CFLAGS) -mtext-section-literals
CXXELFFLAGS = $(CXXFLAGS) -mtext-section-literals

LDELFFLAGS = -r -e main
ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
  LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)$(DELIM)binfmt$(DELIM)libelf$(DELIM)gnu-elf.ld}"
else
  LDELFFLAGS += -T $(TOPDIR)$(DELIM)binfmt$(DELIM)libelf$(DELIM)gnu-elf.ld
endif

ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
  LDFLAGS += -Map="${shell cygpath -w $(TOPDIR)/nuttx.map}" --cref
else
  LDFLAGS += -Map=$(TOPDIR)/nuttx.map --cref
endif

ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
  LDFLAGS += -g
endif