############################################################################
# arch/z80/src/Makefile.sdccl
#
# 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.
#
############################################################################

# Tools
# CFLAGS, CPPFLAGS, ASFLAGS, LDFLAGS are set in $(TOPDIR)/Make.defs

ARCH_SRCDIR = $(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src

CFLAGS += ${INCDIR_PREFIX}$(ARCH_SRCDIR)$(DELIM)
CFLAGS += ${INCDIR_PREFIX}$(ARCH_SRCDIR)$(DELIM)chip
CFLAGS += ${INCDIR_PREFIX}$(ARCH_SRCDIR)$(DELIM)common
CFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)sched

CPPFLAGS += -D__ASSEMBLY__

# Files and directories
# There should be one head source (.asm file)

HEAD_OBJ = $(HEAD_ASRC:$(ASMEXT)=$(OBJEXT))
STARTUP_OBJS ?= $(HEAD_OBJ)

# Assembly sources and objects

ASRCS = $(CHIP_ASRCS) $(CMN_ASRCS)
AOBJS = $(ASRCS:$(ASMEXT)=$(OBJEXT))

# C sources and objects

CSRCS = $(CHIP_CSRCS) $(CMN_CSRCS)
COBJS = $(CSRCS:.c=$(OBJEXT))

# All sources and objcts

SRCS = $(ASRCS) $(CSRCS)
OBJS = $(AOBJS) $(COBJS)

# Sources that can have dependencies (no .asm files)

DEPSRCS = $(CSRCS)

# Directories

ARCH_SRCDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src
BOARDDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src/board

VPATH = chip:common:board

# Targets

all: $(HEAD_OBJ) libarch$(LIBEXT)

.PHONY: board/libboard$(LIBEXT) nuttx.lnk

$(AOBJS) $(HEAD_OBJ): %$(OBJEXT): %$(ASMEXT)
	$(call ASSEMBLE, $<, $@)

$(COBJS): %$(OBJEXT): %.c
	$(call COMPILE, $<, $@)

# This is a kludge to work around some conflicting symbols in the SDCC libraries

$(TOPDIR)/staging/$(SDCCLIB): $(SDCC_LIBDIR)/$(SDCCLIB)
	$(Q) cp $(SDCC_LIBDIR)/$(SDCCLIB) $(TOPDIR)/staging/$(SDCCLIB)
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) calloc.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) malloc.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) realloc.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) free.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) printf_large.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) sprintf.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) vprintf.rel
ifneq ($(CONFIG_LIBC_ARCH_STRCPY),y)
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) strcpy.rel
endif
ifneq ($(CONFIG_LIBC_ARCH_STRLEN),y)
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) strlen.rel
endif
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _strcat.rel
ifneq ($(CONFIG_LIBC_ARCH_STRCHR),y)
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _strchr.rel
endif
ifneq ($(CONFIG_LIBC_ARCH_STRCMP),y)
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _strcmp.rel
endif
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _strcspn.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _strncat.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _strncmp.rel
ifneq ($(CONFIG_LIBC_ARCH_STRNCPY),y)
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _strncpy.rel
endif
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _strpbrk.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _strrchr.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _strspn.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _strstr.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _strtok.rel
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _memchr.rel
ifneq ($(CONFIG_LIBC_ARCH_MEMCMP),y)
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _memcmp.rel
endif
ifneq ($(CONFIG_LIBC_ARCH_MEMCPY),y)
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _memcpy.rel
endif
ifneq ($(CONFIG_LIBC_ARCH_MEMSET),y)
	$(Q) sdar d $(TOPDIR)/staging/$(SDCCLIB) _memset.rel
endif

# Create a header file that contains addressing information needed by the
# assemlby language start-up code.  Locate the IDLE thread stack at the
# end of RAM.  The heap then extends from s__HEAP to the bottom of the
# IDLE thread stack

asm_mem.h:
	@echo "	CONFIG_STACK_END == ($(CONFIG_RAM_SIZE) - 1)" >> asm_mem.h
	@echo "	CONFIG_STACK_BASE == (CONFIG_STACK_END - $(CONFIG_IDLETHREAD_STACKSIZE))" >> asm_mem.h

# Combine all objects in this directory into a library

libarch$(LIBEXT): asm_mem.h $(OBJS)
	$(call ARCHIVE, $@, $(OBJS))

# This builds the libboard library in the board/ subdirectory

board/libboard$(LIBEXT):
	$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"

# This target builds the final executable

nuttx.lnk:
	@echo "LD: nuttx.lnk"
	@echo "--" >nuttx.lnk						# Non-interactive
	@echo "-k $(BOARDDIR)" >>nuttx.lnk			# Path to board library
	@echo "-k $(TOPDIR)/staging" >>nuttx.lnk	# Path to top-level staging directory
	@echo "-l libboard$(LIBEXT)" >>nuttx.lnk	# Name of board library
	$(Q) for LIB in $(LINKLIBS); do \
		echo "-l $(TOPDIR)/staging/$$LIB" >> nuttx.lnk ;\
	done
	@echo "-l $(SDCCLIB)" >>nuttx.lnk			# Name of SDCC z80 library
ifneq ($(CONFIG_LINKER_HOME_AREA),)
	@echo "-b _HOME=$(CONFIG_LINKER_HOME_AREA)" >>nuttx.lnk	# Start of _HOME area
endif
ifneq ($(CONFIG_LINKER_CODE_AREA),)
	@echo "-b _CODE=$(CONFIG_LINKER_CODE_AREA)" >>nuttx.lnk	# Start of _CODE area
else
	@echo "-b _CODE=0x0200" >>nuttx.lnk			# Start of _CODE area
endif
ifneq ($(CONFIG_LINKER_DATA_AREA),)
	@echo "-b _DATA=$(CONFIG_LINKER_DATA_AREA)" >>nuttx.lnk
else
	@echo "-b _DATA=0x8000" >>nuttx.lnk			# Start of _DATA area
endif
	@echo "-i" >>nuttx.lnk						# Intel hex format
	@echo "-x" >>nuttx.lnk						# Hexadecimal
	@echo "-m" >>nuttx.lnk						# Generate a map file
	@echo "-j" >>nuttx.lnk						# Generate a symbol file
	@echo "nuttx.ihx" >>nuttx.lnk				# Path to head object
	@echo "$(HEAD_OBJ)" >>nuttx.lnk				# Path to head object
	@echo "-e" >>nuttx.lnk						# End of script

nuttx$(EXEEXT): asm_mem.h $(TOPDIR)/staging/$(SDCCLIB) $(HEAD_OBJ) board/libboard$(LIBEXT) nuttx.lnk
	@echo "LD: nuttx.ihx"
	$(Q) $(LD) -f nuttx.lnk
	$(Q) cp -f nuttx.map $(TOPDIR)/.
ifeq ($(EXEEXT),.cmd)
	sed s/:00000001FF/:00520001AD/ nuttx.ihx | \
	hex2cmd > $(TOPDIR)/nuttx.cmd
else
	$(Q) packihx nuttx.ihx > $(TOPDIR)/nuttx$(EXEEXT)
endif

# This is part of the top-level export target

export_startup: $(STARTUP_OBJS)
	$(Q) if [ -d "$(EXPORT_DIR)/startup" ]; then \
		cp -f $(STARTUP_OBJS) "$(EXPORT_DIR)/startup"; \
	 else \
		echo "$(EXPORT_DIR)/startup does not exist"; \
		exit 1; \
	 fi

# Build dependencies

.depend: Makefile asm_mem.h chip/Make.defs $(DEPSRCS) $(TOPDIR)$(DELIM).config
	$(Q) if [ -e board/Makefile ]; then \
		$(MAKE) -C board depend ; \
	fi
	$(Q) $(MKDEP) --dep-path chip --dep-path common "$(CC)" -- $(CFLAGS) -- $(DEPSRCS) >Make.dep
	$(Q) touch $@

depend: .depend

context::

clean:
	$(Q) if [ -e board/Makefile ]; then \
		$(MAKE) -C board clean ; \
	fi
	$(call DELFILE, asm_mem.h)
	$(call DELFILE, nuttx.*)
	$(call DELFILE, libarch$(LIBEXT))
	$(call CLEAN)

distclean:: clean
	$(Q) if [ -e board/Makefile ]; then \
		$(MAKE) -C board distclean ; \
	fi
	$(call DELFILE, Make.dep)
	$(call DELFILE, .depend)

-include Make.dep