[screensavers] / hacks / NEDsim / ned_programs / Makefile

#############################################################
# (c) 2021 Aaron Taylor <ataylor at subgeniuskitty dot com> #
# See LICENSE.txt file for copyright and license details.   #
#############################################################

################################################################################
# Configuration
################################################################################

# To keep the rules simple, since we are dealing with six different file
# extensions, NED_EMBED is defined with no suffix, leaving the suffix to be
# hardcoded in each step as appropriate and simplifying the make target list.
.SUFFIXES: .ned_asm
NED_SRC != ls *.ned_asm
NED_EMBED := $(NED_SRC:.ned_asm=)

# This header file will contain C declarations for the binary blobs and a
# variable which tracks their size. It should be included in any C source code
# that will link against the object files containing the binary blobs.
DECLARATION_HEADER_FILE = embedded_ned_program_declarations.h

# Misc program names/paths.
GNU_ASM     = as
NED_ASM     = ned1asm
NED_OBJDUMP = ned1objdump

################################################################################
# Targets
################################################################################

# Since nedasm and nedobjcopy do not overwrite existing files, include target
# `clean` as a preq.
all: clean $(NED_EMBED)
	# Build an #include guard around the C declarations of the binary blobs.
	@mv $(DECLARATION_HEADER_FILE) $(DECLARATION_HEADER_FILE).tempfile
	@echo "/* Autogenerated code. Do not edit. */" >> $(DECLARATION_HEADER_FILE)
	@echo "#ifndef NEDSIM_AUTOGEN_BLOB_DECLARATIONS" >> $(DECLARATION_HEADER_FILE)
	@echo "#define NEDSIM_AUTOGEN_BLOB_DECLARATIONS" >> $(DECLARATION_HEADER_FILE)
	@cat $(DECLARATION_HEADER_FILE).tempfile >> $(DECLARATION_HEADER_FILE)
	@rm $(DECLARATION_HEADER_FILE).tempfile
	@echo "#endif" >> $(DECLARATION_HEADER_FILE)

.ned_asm:
	# We assemble the NED source and then dump the executable code section of
	# the resulting a.out file as a binary blob.
	@$(NED_ASM) -i $*.ned_asm -o $*.out
	@$(NED_OBJDUMP) -i $*.out -o $*.bin
	# Using `sed`, prepare an x86 assembly file as a container for each NED
	# binary blob. This includes building a C header file with relevant
	# declarations for each binary blob.
	@sed 's/INSERTNAME/$*/g' container.x86_asm_template > $*.x86_asm
	@echo "extern const uint8_t $*[];" >> $(DECLARATION_HEADER_FILE)
	@echo "extern const size_t $*_size;" >> $(DECLARATION_HEADER_FILE)
	# Assemble the container, creating a linkable object file containing the
	# NED binary blob.
	@$(GNU_ASM) -o $*.o $*.x86_asm
	@rm -f $*.bin $*.x86_asm $*.out

clean:
	@rm -f *.bin *.x86_asm *.out *.o $(DECLARATION_HEADER_FILE)*
Commit	Line	Data
b73247cf AT	1	#############################################################
	2	# (c) 2021 Aaron Taylor <ataylor at subgeniuskitty dot com> #
	3	# See LICENSE.txt file for copyright and license details. #
	4	#############################################################
	5
	6	################################################################################
	7	# Configuration
	8	################################################################################
	9
	10	# To keep the rules simple, since we are dealing with six different file
	11	# extensions, NED_EMBED is defined with no suffix, leaving the suffix to be
ab051153	12	# hardcoded in each step as appropriate and simplifying the make target list.
b73247cf AT	13	.SUFFIXES: .ned_asm
	14	NED_SRC != ls *.ned_asm
	15	NED_EMBED := $(NED_SRC:.ned_asm=)
	16
	17	# This header file will contain C declarations for the binary blobs and a
	18	# variable which tracks their size. It should be included in any C source code
	19	# that will link against the object files containing the binary blobs.
	20	DECLARATION_HEADER_FILE = embedded_ned_program_declarations.h
	21
	22	# Misc program names/paths.
	23	GNU_ASM = as
	24	NED_ASM = ned1asm
	25	NED_OBJDUMP = ned1objdump
	26
	27	################################################################################
	28	# Targets
	29	################################################################################
	30
	31	# Since nedasm and nedobjcopy do not overwrite existing files, include target
	32	# `clean` as a preq.
	33	all: clean $(NED_EMBED)
1da913bb	34	# Build an #include guard around the C declarations of the binary blobs.
b73247cf AT	35	@mv $(DECLARATION_HEADER_FILE) $(DECLARATION_HEADER_FILE).tempfile
	36	@echo "/* Autogenerated code. Do not edit. */" >> $(DECLARATION_HEADER_FILE)
	37	@echo "#ifndef NEDSIM_AUTOGEN_BLOB_DECLARATIONS" >> $(DECLARATION_HEADER_FILE)
	38	@echo "#define NEDSIM_AUTOGEN_BLOB_DECLARATIONS" >> $(DECLARATION_HEADER_FILE)
	39	@cat $(DECLARATION_HEADER_FILE).tempfile >> $(DECLARATION_HEADER_FILE)
	40	@rm $(DECLARATION_HEADER_FILE).tempfile
	41	@echo "#endif" >> $(DECLARATION_HEADER_FILE)
	42
	43	.ned_asm:
	44	# We assemble the NED source and then dump the executable code section of
	45	# the resulting a.out file as a binary blob.
	46	@$(NED_ASM) -i $.ned_asm -o $.out
	47	@$(NED_OBJDUMP) -i $.out -o $.bin
	48	# Using `sed`, prepare an x86 assembly file as a container for each NED
	49	# binary blob. This includes building a C header file with relevant
	50	# declarations for each binary blob.
	51	@sed 's/INSERTNAME/$/g' container.x86_asm_template > $.x86_asm
	52	@echo "extern const uint8_t $*[];" >> $(DECLARATION_HEADER_FILE)
	53	@echo "extern const size_t $*_size;" >> $(DECLARATION_HEADER_FILE)
	54	# Assemble the container, creating a linkable object file containing the
	55	# NED binary blob.
	56	@$(GNU_ASM) -o $.o $.x86_asm
	57	@rm -f $.bin $.x86_asm $*.out
	58
	59	clean:
	60	@rm -f .bin .x86_asm .out .o $(DECLARATION_HEADER_FILE)*
	61