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####
# source code settings
#
OSNAME := helvetiOS
CSOURCES := $(wildcard kernel/*.c) $(wildcard libc/*.c)
OBJECTS := $(patsubst %.c,build/%.rel,$(CSOURCES))
HEXFILE := build/$(OSNAME).hex
BINARY := build/$(OSNAME).bin
###
# compiler settings
CC := sdcc
CFLAGS := -mz80 \
-I kernel/include -I libc/include -DDEBUG
LDFLAGS := -mz80 --no-std-crt0 crt0.rel \
--code-loc 0x0800 --data-loc 0x8000
.PHONY: dirs dis clean
all: $(BINARY)
# build binary
$(BINARY): $(OBJECTS) dirs
$(CC) $(LDFLAGS) $(OBJECTS) -o $(HEXFILE)
xxd -r -p $(HEXFILE) $(BINARY)
$(OBJECTS): build/%.rel : %.c $(CSOURCES) dirs crt0.rel
$(CC) $(CFLAGS) -c $< -o $@
crt0.rel: crt0.s
sdasz80 -o $<
dirs:
mkdir -p build build/kernel build/libc
dis: $(BINARY)
z80dasm -a -g 0h $< -o $(OSNAME).s
clean:
- rm -rd build/*
- rm $(OSNAME).s
- rm crt0.rel
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