101 lines
2.6 KiB
Makefile
101 lines
2.6 KiB
Makefile
AARCH = --isa=sh2 --big
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AFLAGS = -g -gdwarf-4
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CFLAGS += -ffunction-sections -fshort-enums -ffreestanding -nostdlib
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CFLAGS += -Wall -Werror -Wfatal-errors -g -gdwarf-4 -Og
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CARCH = -m2 -mb
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TARGET = sh2-none-elf-
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CC = $(TARGET)gcc
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AS = $(TARGET)as
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LD = $(TARGET)ld
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OBJCOPY = $(TARGET)objcopy
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OBJDUMP = $(TARGET)objdump
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all: main.iso
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sys_%.o: segasmp/lib/sys_%.o
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$(OBJCOPY) -I coff-sh -O elf32-sh -g \
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--rename-section .text=.text.$* \
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$< $@
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SYS_IP_OBJ += sys_id.o
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SYS_IP_OBJ += sys_sec.o
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SYS_IP_OBJ += sys_area.o sys_areb.o sys_aree.o sys_arej.o
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SYS_IP_OBJ += sys_arek.o sys_arel.o sys_aret.o sys_areu.o
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SYS_IP_OBJ += sys_init.o
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SYS_IP_OBJ += smpsys.o
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%.o: %.s
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$(AS) $(AFLAGS) $(AARCH) $< -o $@
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%.o: %.S
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$(CC) $(CFLAGS) $(CARCH) -c $< -o $@
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%.o: %.c
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$(CC) $(CFLAGS) $(CARCH) -c $< -o $@
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%.elf:
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$(LD) --print-memory-usage -T sys_ip.lds $^ -o $@
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%.bin: %.elf
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$(OBJCOPY) -O binary $< $@
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%.bin.o: %.bin
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$(OBJCOPY) \
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-I binary -O elf32-sh -B sh \
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--rename-section .data=.rodata,alloc,load,readonly,data,contents \
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$< $@
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sys_ip.elf: $(SYS_IP_OBJ)
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MAIN_OBJ = main.o
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#m68k/main.bin.o
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main.elf: $(MAIN_OBJ)
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$(LD) --print-memory-usage -T sh2.lds $^ -o $@
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# mkisofs sorts file names alphabetically, it does not place the files in the
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# generated directory descriptors the order given on the command-line.
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#
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# The "1st read file" must be physically placed at index [2] (after the "self"
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# and "parent" entries) of the root directory, and so must be alphabetically
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# lowest in the list of files.
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#
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# Additionally, the sega bios appears to reject disks that have a single
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# file. This is presumably incomplete enforcement of the "required" smp_cpy.txt,
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# smp_abs.txt, and smp_bib.txt files. A disk with a single file is presumed
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# invalid (but >=2 files appears to be ok). The content of these files does not
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# appear to be checked.
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#
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# Rather than insert a dummy file to "trick" the bios, I decided to include
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# these files as specified in the manual (perhaps there are some bios versions
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# that do check this).
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#
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# `-graft-points` is used to enable the "path grafting" pathspec syntax.
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main.iso: main.bin sys_ip.bin
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mkisofs \
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-sysid "SEGA SEGASATURN" \
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-volid "SAMPLE_GAME_TITLE" \
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-volset "SAMPLE_GAME_TITLE" \
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-publisher "SEGA ENTERPRISES, LTD." \
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-preparer "SEGA ENTERPRISES, LTD." \
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-copyright "smp_cpy.txt" \
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-abstract "smp_abs.txt" \
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-biblio "smp_bib.txt" \
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-sectype data \
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-G sys_ip.bin \
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-o $@ \
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-graft-points \
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/0main.bin=./main.bin \
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/=./segasmp/smp_cpy.txt \
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/=./segasmp/smp_abs.txt \
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/=./segasmp/smp_bib.txt
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clean:
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rm -f *.iso *.o *.bin *.elf
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.SUFFIXES:
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.INTERMEDIATE:
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.SECONDARY:
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.PHONY: all clean
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