###############################################################################
# Generic makefile for building BIOS binary file.                             #
# v. 1.0.0 (28.7.2007 ... 28.7.2007)                                          #
# (C) Tomi Tilli                                                              #
# aitotat@gmail.com                                                           #
#                                                                             #
# Valid makefile targets are:                                                 #
# all		Removes existing files and builds binary file in \Build           #
# build		Builds binary file in \Build                                      #
# clean		Removes all files from \Build                                     #
#                                                                             #
# Build directory must be created manually if it does not exist.              #
#                                                                             #
###############################################################################

###########################################
# Source files and destination executable #
###########################################

# Assembly source code file (*.asm):
SRC_ASM = Src/Main.asm

# Program executable file name without extension:
PROG = ide


#######################################
# Destination and include directories #
#######################################

# Directory where binary file will be compiled to
BUILD_DIR = Build

# Subdirectories where included files are:
HEADERS = Inc/
HEADERS += Src/
HEADERS += Src/Boot/
HEADERS += Src/Handlers/
HEADERS += Src/Handlers/Int13h/
HEADERS += Src/Handlers/Int13h/EBIOS/
HEADERS += Src/Handlers/Int13h/Tools/
HEADERS += Src/Device/
HEADERS += Src/Device/IDE/
HEADERS += Src/Device/MemoryMappedIDE/
HEADERS += Src/Device/Serial/
HEADERS += Src/Initialization/
HEADERS += Src/Libraries/
HEADERS += Src/VariablesAndDPTs/

# Subdirectories where library files are:
LIBS = ../Assembly_Library/Inc/
LIBS += ../Assembly_Library/Src/
LIBS += ../Assembly_Library/Src/Display/
LIBS += ../Assembly_Library/Src/File/
LIBS += ../Assembly_Library/Src/Keyboard/
LIBS += ../Assembly_Library/Src/Menu/
LIBS += ../Assembly_Library/Src/Menu/Dialog/
LIBS += ../Assembly_Library/Src/String/
LIBS += ../Assembly_Library/Src/Time/
LIBS += ../Assembly_Library/Src/Util/
LIBS += ../XTIDE_Universal_BIOS/Inc/
HEADERS += $(LIBS)


#################################################################
# Assembler preprocessor defines.                               #
#################################################################
DEFINES = INCLUDE_MENU_LIBRARY EXCLUDE_FROM_XTIDE_UNIVERSAL_BIOS MODULE_EBIOS MODULE_SERIAL MODULE_STRINGS_COMPRESSED
DEFINES_XT = ELIMINATE_CGA_SNOW
DEFINES_XTPLUS = ELIMINATE_CGA_SNOW USE_186
DEFINES_AT = USE_186 USE_286 USE_AT
DEFINES_XT_LARGE = $(DEFINES_XT) MODULE_JRIDE
DEFINES_XTPLUS_LARGE = $(DEFINES_XTPLUS) MODULE_JRIDE
DEFINES_AT_LARGE = $(DEFINES_AT) MODULE_JRIDE


###################
# Other variables #
###################

# Add -D in front of every preprocessor define declaration
DEFS = $(DEFINES:%=-D%)
DEFS_XT = $(DEFINES_XT:%=-D%)
DEFS_XTPLUS = $(DEFINES_XTPLUS:%=-D%)
DEFS_AT = $(DEFINES_AT:%=-D%)
DEFS_XT_LARGE = $(DEFINES_XT_LARGE:%=-D%)
DEFS_XTPLUS_LARGE = $(DEFINES_XTPLUS_LARGE:%=-D%)
DEFS_AT_LARGE = $(DEFINES_AT_LARGE:%=-D%)

# Add -I in front of all header directories
IHEADERS = $(HEADERS:%=-I%)

# Path + target file to be built
TARGET = $(BUILD_DIR)/$(PROG)

# Target size of the ROM, used by checksum Perl script  
ROMSIZE = 8192

#########################
# Compilers and linkers #
#########################

# Make
MAKE = mingw32-make.exe

# Assembler
AS = nasm.exe

# use this command to erase files.
RM = -del /Q


#############################
# Compiler and linker flags #
#############################

# Assembly compiler flags
ASFLAGS = -f bin				# Produce binary object files
ASFLAGS += $(DEFS)				# Preprocessor defines
ASFLAGS += $(IHEADERS)			# Set header file directory paths
ASFLAGS += -Worphan-labels		# Warn about labels without colon
ASFLAGS += -O9					# Optimize operands to their shortest forms


############################################
# Build process. Actual work is done here. #
############################################

.PHONY: all at at_large xtplus xtplus_large xt xt_large clean

# Make clean debug and release versions
all: clean at at_large xtplus xtplus_large xt xt_large
	@echo All done!

at:
	@$(AS) "$(SRC_ASM)" $(ASFLAGS) $(DEFS_AT) -l"$(TARGET)_at.lst" -o"$(TARGET)_at.bin"
	@echo AT version "$(TARGET)_at.bin" built.

at_large:
	@$(AS) "$(SRC_ASM)" $(ASFLAGS) $(DEFS_AT_LARGE) -l"$(TARGET)_atl.lst" -o"$(TARGET)_atl.bin"
	@echo Large AT version "$(TARGET)_atl.bin" built.

xtplus:
	@$(AS) "$(SRC_ASM)" $(ASFLAGS) $(DEFS_XTPLUS) -l"$(TARGET)_xtp.lst" -o"$(TARGET)_xtp.bin"
	@echo XT plus version "$(TARGET)_xtp.bin" built.

xtplus_large:
	@$(AS) "$(SRC_ASM)" $(ASFLAGS) $(DEFS_XTPLUS_LARGE) -l"$(TARGET)_xtpl.lst" -o"$(TARGET)_xtpl.bin"
	@echo Large XT plus version "$(TARGET)_xtpl.bin" built.

xt:
	@$(AS) "$(SRC_ASM)" $(ASFLAGS) $(DEFS_XT) -l"$(TARGET)_xt.lst" -o"$(TARGET)_xt.bin"
	@echo XT version "$(TARGET)_xt.bin" built.

xt_large:
	@$(AS) "$(SRC_ASM)" $(ASFLAGS) $(DEFS_XT_LARGE) -l"$(TARGET)_xtl.lst" -o"$(TARGET)_xtl.bin"
	@echo Large XT version "$(TARGET)_xtl.bin" built.

clean:
	@$(RM) $(BUILD_DIR)\*.*
	@echo Deleted "(*.*)" from "$(BUILD_DIR)/"

checksum:  all
	@perl ..\tools\checksum.pl $(TARGET)_at.bin $(ROMSIZE)
	@perl ..\tools\checksum.pl $(TARGET)_xtp.bin $(ROMSIZE)
	@perl ..\tools\checksum.pl $(TARGET)_xt.bin $(ROMSIZE)

src\StringsCompressed.asm:	src\Strings.asm
	@$(AS) src\Strings.asm $(ASFLAGS) $(DEFS_XT) -DMODULE_STRINGS_COMPRESSED_PRECOMPRESS -o build\Strings.bin -l build\StringsPrecompress.lst
	@perl ..\tools\StringsCompress.pl < build\StringsPrecompress.lst > src\StringsCompressed.asm
	@echo StringsCompressed.asm updated!

$(SRC_ASM):		src\StringsCompressed.asm

xt_unused:  xt
	$(AS) "$(SRC_ASM)" $(ASFLAGS) $(DEFS_XT) -o"$(TARGET)_xt_unused.asm" -E -DCHECK_FOR_UNUSED_ENTRYPOINTS
	perl ..\tools\unused.pl $(TARGET)_xt.lst $(TARGET)_xt_unused.asm