############################################################################
# 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

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

ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32_out.ld

# 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.ld),)
	ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32.ld
else
	ifeq ($(CONFIG_ESP32_APP_FORMAT_MCUBOOT),y)
		ARCHSCRIPT += $(BOARD_COMMON_DIR)$(DELIM)scripts$(DELIM)esp32_mcuboot.ld
	else
		ARCHSCRIPT += $(BOARD_COMMON_DIR)$(DELIM)scripts$(DELIM)esp32.ld
	endif
endif

ifneq ($(wildcard $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32_rom.ld),)
	ARCHSCRIPT += $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32_rom.ld
else
	ARCHSCRIPT += $(BOARD_COMMON_DIR)$(DELIM)scripts$(DELIM)esp32_rom.ld
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

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

ifeq ($(CONFIG_STACK_CANARIES),y)
  ARCHOPTIMIZATION += -fstack-protector-all
endif

ifneq ($(CONFIG_DEBUG_NOOPT),y)
  ARCHOPTIMIZATION += $(MAXOPTIMIZATION) -fno-strict-aliasing
endif

ARCHCFLAGS += -fno-common -ffunction-sections -fdata-sections
ARCHCXXFLAGS += -fno-common -ffunction-sections -fdata-sections -std=c++17
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__

# Loadable module definitions

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

LDMODULEFLAGS = -r -e module_initialize
LDMODULEFLAGS += -T $(call CONVERT_PATH,$(TOPDIR)/libs/libc/modlib/gnu-elf.ld)

# ELF module definitions

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

LDELFFLAGS = -r -e main
LDELFFLAGS += -T $(call CONVERT_PATH,$(TOPDIR)$(DELIM)binfmt$(DELIM)libelf$(DELIM)gnu-elf.ld)

LDFLAGS += -Map=$(call CONVERT_PATH,$(TOPDIR)/nuttx.map) --cref
ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
  LDFLAGS += -g
endif