############################################################################
# boards/xtensa/esp32/esp32-core/scripts/Make.defs
#
#   Copyright (C) 2016-2017 Gregory Nutt. All rights reserved.
#   Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
#    used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################

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

LDSCRIPT1 = $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32_out.ld
LDSCRIPT3 = $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32_rom.ld
LDSCRIPT4 = $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32_peripherals.ld

ifeq ($(CONFIG_ESP32CORE_RUN_IRAM),y)
  LDSCRIPT2 = $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32_iram.ld
else
  LDSCRIPT2 = $(BOARD_DIR)$(DELIM)scripts$(DELIM)esp32_flash.ld
endif

ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
  ARCHSCRIPT = -T "${shell cygpath -w $(LDSCRIPT1)}"
  ARCHSCRIPT += -T "${shell cygpath -w $(LDSCRIPT2)}"
  ARCHSCRIPT += -T "${shell cygpath -w $(LDSCRIPT3)}"
  ARCHSCRIPT += -T "${shell cygpath -w $(LDSCRIPT4)}"
else
  ARCHSCRIPT = -T$(LDSCRIPT1) -T$(LDSCRIPT2) -T$(LDSCRIPT3) -T$(LDSCRIPT4)
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

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 $(BOARD_DIR)$(DELIM)scripts$(DELIM)gnu-elf.ld}"
else
  LDELFFLAGS += -T $(BOARD_DIR)$(DELIM)scripts$(DELIM)gnu-elf.ld
endif

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