444 lines
20 KiB
Makefile
444 lines
20 KiB
Makefile
MAKEFLAGS = --warn-undefined-variables
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SHELL = bash -euET -o pipefail -c
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.SECONDEXPANSION:
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os_filename = os.bat
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tests_emu = test/qemu-system-i386-floppy test/qemu-system-i386-cdrom test/qemu-system-arm test/virtualbox test/bochs test/gui-sh test/dosbox
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tests_requiring_sudo = test/fat12_mount test/iso_mount
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tests_noemu = test/zip test/os.reasm test/sizes test/fat12_contents
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offset_names = bytes_os_size \
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bytes_mbr_start \
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bytes_mbr_end \
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bytes_header_32k_start \
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bytes_header_32k_end \
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bytes_iso_start \
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bytes_iso_end \
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bytes_fat12_start \
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bytes_fat12_end \
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bytes_gpt_mirror_start \
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bytes_gpt_mirror_end \
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bytes_zip_start \
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bytes_zip_end
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more_offset_names = ${offset_names} \
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bytes_fat12_size \
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bytes_gpt_mirror_size \
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bytes_header_32k_size \
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bytes_iso_size \
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bytes_zip_size \
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sectors_fat12_size \
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sectors_fat12_start \
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sectors_gpt_mirror_size \
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sectors_iso_size \
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sectors_os_size \
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sectors_zip_size \
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tracks_fat12_size \
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tracks_gpt_mirror_size \
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tracks_iso_size \
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tracks_os_size \
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tracks_zip_size
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more_offset_dec = ${more_offset_names:%=build/offsets/%.dec}
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more_offset_hex = ${more_offset_names:%=build/offsets/%.hex}
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# + os.arm.disasm
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# + os.reasm.disasm
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built_files = ${os_filename} \
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build/check_makefile \
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build/check_makefile_targets \
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build/check_makefile_w_arnings \
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build/checkerboard_800x600.xbm \
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build/checkerboard_1024x768.png \
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build/makefile_built_directories \
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build/makefile_built_files \
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build/makefile_database \
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build/makefile_database_files \
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build/makefile_file_targets \
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build/makefile_non_file_targets \
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build/makefile_phony \
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build/makefile_targets \
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build/makefile_w_arnings \
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build/os.ndisasm.disasm \
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build/os.reasm.asm \
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build/os.reasm \
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build/os.file \
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build/os.gdisk \
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build/os.zip \
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build/os.zip.adjusted \
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build/os.iso \
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build/os.32k \
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build/os.fat12 \
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build/os.offsets \
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build/os.hex_with_offsets \
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build/iso_files/os.zip \
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build/iso_files/boot/iso_boot.sys \
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build/bochsrc \
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build/bochscontinue \
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build/twm_cfg \
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build/virtualbox.img \
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${more_offset_dec} \
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${more_offset_hex} \
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${tests_emu:test/%=build/test_pass/emu_%} \
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${tests_noemu:test/%=build/test_pass/noemu_%} \
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${tests_requiring_sudo:test/%=build/test_pass/sudo_%} \
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${tests_emu:test/%=deploy-screenshots/%.png} \
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${tests_emu:test/%=deploy-screenshots/%-anim.gif}
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built_directories = build/iso_files/boot build/iso_files build/offsets build/mnt_fat12 build/mnt_iso build/test_pass deploy-screenshots
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more_built_directories = ${built_directories} build
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os_image_size_kb = 1440
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os_partition_start_sectors = 3
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os_partition_size_sectors = 717 # 720 - start
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# CHS parameters for 1.44 MB floppy disk
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os_floppy_chs_h = 2
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os_floppy_chs_s = 9
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.PHONY: all
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# all: os.arm.disasm
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all: ${os_filename} build/os.ndisasm.disasm build/os.reasm.asm build/os.file build/os.gdisk build/os.offsets build/os.hex_with_offsets .gitignore build/check_makefile ${more_offset_dec} ${more_offset_hex}
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build/makefile_w_arnings: | $${@D}
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${built_files}: | $${@D}
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build/makefile_w_arnings: Makefile
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@unset MAKEFLAGS MAKELEVEL MAKE_TERMERR MFLAGS; make -n --warn-undefined-variables test 2>$@ 1>/dev/null || make -n --warn-undefined-variables test
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# Check that the file build/makefile_w_arnings is present, and that it does not contain the string "warn".
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build/check_makefile_w_arnings: build/makefile_w_arnings
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@cat build/makefile_w_arnings > /dev/null && (! grep -i warn $<) && touch $@
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# Check that the declared list of built files matches the list of targets extracted from the Makefile.
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build/check_makefile_targets: build/makefile_built_files build/makefile_file_targets build/check_makefile_w_arnings
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@diff build/makefile_built_files build/makefile_file_targets && touch $@
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build/check_makefile: build/check_makefile_w_arnings build/check_makefile_targets
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@touch $@
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build/makefile_database: Makefile build/check_makefile_w_arnings
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@unset MAKEFLAGS MAKELEVEL MAKE_TERMERR MFLAGS; make -rpn | sed -n -e '/^# Make data base,/,$$p' > $@
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build/makefile_database_files: build/makefile_database build/check_makefile_w_arnings
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@sed -n -e '/^# Files$$/,/^# files hash-table stats:$$/p' $< > $@
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build/makefile_built_directories: build/check_makefile_w_arnings
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@echo ${more_built_directories} | tr ' ' '\n' | grep -v '^[[:space:]]*$$' | sort > $@
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build/makefile_built_files: build/check_makefile_w_arnings
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@echo ${built_files} | tr ' ' '\n' | grep -v '^[[:space:]]*$$' | sort > $@
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build/makefile_phony: build/makefile_database_files build/check_makefile_w_arnings
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@sed -n -e 's/^\.PHONY: \(.*\)$$/\1/p' $< | tr ' ' '\n' | grep -v '^[[:space:]]*$$' | sort > $@
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build/makefile_targets: build/makefile_database_files build/check_makefile_w_arnings
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@grep -E -v '^([[:space:]]|#|\.|$$|^[^:]*:$$)' $< | grep '^[^ :]*:' | sed -e 's|^\([^:]*\):.*$$|\1|' | sort > $@
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build/makefile_non_file_targets: build/makefile_phony build/makefile_built_directories build/check_makefile_w_arnings
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@cat build/makefile_phony build/makefile_built_directories | sort > $@
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build/makefile_file_targets: build/makefile_non_file_targets build/makefile_targets build/check_makefile_w_arnings
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@comm -23 build/makefile_targets build/makefile_non_file_targets > $@
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${built_directories}: build/check_makefile
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${more_built_directories}: Makefile
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mkdir -p $@ && touch $@
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# 32k header of the ISO9660 image
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build/os.32k: example-os/os.asm build/check_makefile
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nasm -w+macro-params -w+macro-selfref -w+orphan-labels -w+gnu-elf-extensions -o $@ $<
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build/os.iso: build/iso_files/os.zip build/iso_files/boot/iso_boot.sys build/check_makefile
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mkisofs \
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--input-charset utf-8 \
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-rock \
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-joliet \
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-eltorito-catalog boot/boot.cat \
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-eltorito-boot boot/iso_boot.sys \
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-no-emul-boot \
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-boot-load-size 4 \
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-pad \
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-output $@ \
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./build/iso_files/
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# Layout:
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# MBR; GPT; UNIX sh & MS-DOS batch scripts; ISO9660; FAT12; GPT mirror; ZIP
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define offset
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tmp_${1} = ${3}
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build/offsets/${1}.dec: $${tmp_${1}:%=build/offsets/%.dec} ${4} build/check_makefile
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echo $$$$(( ${2} )) | tee $$@
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${1} = $$$$(cat build/offsets/${1}.dec)
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dep_${1} = build/offsets/${1}.dec
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endef
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define div_round_up
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( ( ( ${1} ) + ( ${2} ) - 1 ) / ( ${2} ) )
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endef
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sector_size = 512
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# should be exact (TODO: make a check)
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${eval ${call offset,bytes_os_size, $${os_image_size_kb} * 1024,, }}
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${eval ${call offset,sectors_os_size, $${bytes_os_size} / $${sector_size}, bytes_os_size,}}
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${eval ${call offset,tracks_os_size, $${sectors_os_size} / $${os_floppy_chs_s}, sectors_os_size,}}
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# round up
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${eval ${call offset,bytes_iso_size, $$$$(utils/file-length.sh -c build/os.iso), ,build/os.iso}}
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${eval ${call offset,sectors_iso_size, ${call div_round_up,$${bytes_iso_size},$${sector_size}}, bytes_iso_size,}}
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${eval ${call offset,tracks_iso_size, ${call div_round_up,$${sectors_iso_size},$${os_floppy_chs_s}}, sectors_iso_size,}}
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# round up
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${eval ${call offset,bytes_zip_size, $$$$(utils/file-length.sh -c build/os.zip), ,build/os.zip}}
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${eval ${call offset,sectors_zip_size, ${call div_round_up,$${bytes_zip_size},$${sector_size}}, bytes_zip_size,}}
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${eval ${call offset,tracks_zip_size, ${call div_round_up,$${sectors_zip_size},$${os_floppy_chs_s}}, sectors_zip_size,}}
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# round up
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${eval ${call offset,sectors_gpt_mirror_size, 33,, }}
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${eval ${call offset,tracks_gpt_mirror_size, ${call div_round_up,$${sectors_gpt_mirror_size},$${os_floppy_chs_s}}, sectors_gpt_mirror_size,}}
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# allocate the remaining sectors to the FAT, aligned on tracks
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${eval ${call offset,tracks_fat12_size, $${tracks_os_size} - $${tracks_iso_size} - $${tracks_gpt_mirror_size} - $${tracks_zip_size}, tracks_os_size tracks_iso_size tracks_gpt_mirror_size tracks_zip_size,}}
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${eval ${call offset,sectors_fat12_size,$${tracks_fat12_size} * $${os_floppy_chs_s}, tracks_fat12_size,}}
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# zip should probably have its end aligned, not its start
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${eval ${call offset,bytes_zip_start, $${bytes_os_size} - $${bytes_zip_size}, bytes_os_size bytes_zip_size,}}
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${eval ${call offset,bytes_mbr_start, 0,,}}
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${eval ${call offset,bytes_mbr_end, 512,,}}
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${eval ${call offset,bytes_header_32k_start, 0,,}}
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${eval ${call offset,bytes_header_32k_end, 32 * 1024,,}}
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${eval ${call offset,bytes_header_32k_size, $${bytes_header_32k_end} - $${bytes_header_32k_start}, bytes_header_32k_end bytes_header_32k_start,}}
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${eval ${call offset,bytes_iso_start, 32 * 1024,,}}
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${eval ${call offset,bytes_iso_end, $${sectors_iso_size} * $${sector_size}, sectors_iso_size,}}
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${eval ${call offset,bytes_fat12_start, $${tracks_iso_size} * $${os_floppy_chs_s} * $${sector_size}, tracks_iso_size,}}
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${eval ${call offset,sectors_fat12_start, $${bytes_fat12_start} / $${sector_size}, bytes_fat12_start,}}
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${eval ${call offset,bytes_fat12_size, $${sectors_fat12_size} * $${sector_size}, sectors_fat12_size,}}
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${eval ${call offset,bytes_fat12_end, $${bytes_fat12_start} + $${bytes_fat12_size}, bytes_fat12_start bytes_fat12_size,}}
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# It is probably not necessary to align the GPT mirror end on a track boundary.
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${eval ${call offset,bytes_gpt_mirror_size, $${sectors_gpt_mirror_size} + $${sector_size}, sectors_gpt_mirror_size,}}
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${eval ${call offset,bytes_gpt_mirror_end, $${bytes_fat12_end} + $${bytes_gpt_mirror_size}, bytes_fat12_end bytes_gpt_mirror_size,}}
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${eval ${call offset,bytes_gpt_mirror_start, $${bytes_gpt_mirror_end} - $${bytes_gpt_mirror_size}, bytes_gpt_mirror_end bytes_gpt_mirror_size,}}
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${eval ${call offset,bytes_zip_end, $${bytes_os_size},, }}
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os_fat12_partition = "$@@@${bytes_fat12_start}"
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build/os.fat12: build/os.zip ${dep_bytes_fat12_size} ${dep_bytes_fat12_start} ${dep_sectors_os_size} build/check_makefile
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set -x; dd if=/dev/zero bs=${sector_size} count=${sectors_os_size} of=$@
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set -x; mformat -v "Example OS" \
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-T ${sectors_fat12_size} \
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-h ${os_floppy_chs_h} \
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-s ${os_floppy_chs_s} \
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-i ${os_fat12_partition}
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set -x; mcopy -i ${os_fat12_partition} build/os.zip "::os.zip"
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build/iso_files/os.zip: build/os.zip build/check_makefile
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# TODO: make it so that the various file formats are mutual quines:
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# * the ISO should contain the original file
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# * the ZIP should contain the original file
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# * the FAT12 should contain the original file
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cp $< $@
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# 4 sectors loaded when booting from optical media (CD-ROM, …):
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build/iso_files/boot/iso_boot.sys: build/os.32k build/check_makefile
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# TODO: this copy of the (or alternate) bootsector should contain a Boot Information Table,
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# see https://wiki.osdev.org/El-Torito#A_BareBones_Boot_Image_with_Boot_Information_Table
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dd if=$< bs=512 count=4 of=$@
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build/os.zip: build/os.32k build/check_makefile
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zip $@ $<
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build/os.zip.adjusted: build/os.zip ${dep_bytes_zip_start} build/check_makefile
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# TODO: the ZIP file can end with a variable-length comment, this would allow us to hide the GPT mirrors.
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set -x; dd if=/dev/zero bs=1 count=${bytes_zip_start} of=$@
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cat $< >> $@
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zip --adjust-sfx $@
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${os_filename}: build/os.32k build/os.iso build/os.fat12 build/os.zip.adjusted \
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${dep_bytes_header_32k_start} \
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${dep_bytes_header_32k_size} \
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${dep_bytes_fat12_start} \
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${dep_bytes_fat12_size} \
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${dep_bytes_gpt_mirror_end} \
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${dep_sectors_fat12_start} \
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${dep_sectors_fat12_size} \
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${dep_bytes_zip_start} \
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build/check_makefile
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rm -f $@
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# start with the .iso
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cp build/os.iso $@
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# splice in the first 32k (bootsector and partition table)
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set -x; dd skip=${bytes_header_32k_start} seek=${bytes_header_32k_start} bs=1 count=${bytes_header_32k_size} conv=notrunc if=build/os.32k of=$@
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# splice in fat12
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set -x; dd skip=${bytes_fat12_start} seek=${bytes_fat12_start} bs=1 count=${bytes_fat12_size} conv=notrunc if=build/os.fat12 of=$@
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# pad with zeroes to prepare for GPT table
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set -x; dd if=/dev/zero seek=$$((${bytes_gpt_mirror_end} - 1 )) bs=1 count=1 conv=notrunc of=$@
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# patch the partition table
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# Thanks to https://wiki.gentoo.org/wiki/Hybrid_partition_table for showing that gdisk can be used to make a hybrid MBR / GPT.
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# gdisk commands:
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# * Delete (the only) partition, eXpert mode, sector aLignment = 1, back to Main menu,
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# * New partition (number = 1, start sector, end sector, type 0700)
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# * Recovery and transformation options, make Hybrid,
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# * add GPT partition #1 to the hybrid MBR, do Not put the EFI partition first,
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# * MBR partition type=0x01, bootable=Yes, do Not add extra partitions,
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# * Print GPT, print MBR, Write, Proceed.
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(printf "d\nx\nl\n1\nm\nn\n1\n${sectors_fat12_start}\n${sectors_fat12_size}\n0700\n"; \
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printf "r\nh\n"; \
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printf "1\nN\n"; \
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printf "01\nY\nN\n"; \
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printf "p\no\nw\nY\n") | while read str; do echo "$$str"; printf "\033[1;33m%s\033[m\n" "$$str" >&2; sleep 0.01; done | gdisk $@
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# splice in zip at the end
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set -x; dd skip=${bytes_zip_start} seek=${bytes_zip_start} bs=1 conv=notrunc if=build/os.zip.adjusted of=$@
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chmod a+x-w $@
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build/os.file: ${os_filename} build/check_makefile
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file -kr $< > $@
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build/os.gdisk: ${os_filename} build/check_makefile
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# gdisk commands:
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# * Print partition table
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# * Recovery and transformation options
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# * print prOtective MBR table
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# * Quit
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printf 'p\nr\no\nq\n' | gdisk $< | tee $@
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build/os.offsets: ${offset_names:%=build/offsets/%.hex} build/check_makefile
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grep '^' ${offset_names:%=build/offsets/%.hex} | sed -e 's/:/: 0x/' > $@
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build/offsets/%.hex: build/offsets/%.dec
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printf '%x\n' $$(cat $<) > $@
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build/os.hex_with_offsets: ${os_filename} build/os.offsets
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hexdump -C $< \
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| grep -E -e "($$(cat build/os.offsets | cut -d '=' -f 2 | sed -e 's/^[[:space:]]*0x\(.*\).$$/^\10/' | tr '\n' '|')^)" --color=yes > $@
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build/os.ndisasm.disasm: ${os_filename} utils/compact-ndisasm.sh build/check_makefile
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./utils/compact-ndisasm.sh $< $@
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build/os.reasm.asm: build/os.ndisasm.disasm build/check_makefile
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sed -e 's/^[^ ]\+ \+[^ ]\+ \+//' $< > $@
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build/test_pass/noemu_%.reasm build/%.reasm: build/%.reasm.asm ${os_filename} utils/compact-ndisasm.sh build/check_makefile
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# For now ignore this test, since we cannot have a reliable re-assembly of arbitrary data.
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touch build/test_pass/noemu_$*.reasm build/$*.reasm
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# nasm $< -o $@
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# @echo "diff $@ ${os_filename}"
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# @diff $@ ${os_filename} \
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# && echo "[1;32mRe-assembled file is identical to ${os_filename}[m" \
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# || (./utils/compact-ndisasm.sh $@ build/os.reasm.disasm; \
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# echo "[0;33mRe-assembled file is different from ${os_filename}. Use meld build/os.ndisasm.disasm build/os.reasm.disasm to see differences.[m"; \
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# exit 0)
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#os.arm.disasm: ${os_filename} build/check_makefile
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# arm-none-eabi-objdump --endian=little -marm -b binary -D --adjust-vma=0x8000 $< > $@
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.PHONY: clean
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clean: build/check_makefile
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rm -f ${built_files}
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for d in $$(echo ${more_built_directories} | tr ' ' '\n' | sort --reverse); do \
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if test -e "$$d"; then \
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rmdir "$$d"; \
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fi; \
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done
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.gitignore: build/check_makefile
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for f in ${built_files}; do echo "/$$f"; done | sort > $@
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.PHONY: test
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test: ${tests_emu:test/%=build/test_pass/emu_%} \
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${tests_noemu:test/%=build/test_pass/noemu_%} \
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${tests_requiring_sudo:test/%=build/test_pass/sudo_%} \
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all \
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build/check_makefile
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.PHONY: ${tests_emu}
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${tests_emu}: build/test_pass/emu_$$(@F)
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build/test_pass/emu_% deploy-screenshots/%.png deploy-screenshots/%-anim.gif: \
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${os_filename} \
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build/checkerboard_800x600.xbm \
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utils/gui-wrapper.sh utils/ansi-screenshots/ansi_screenshot.sh utils/ansi-screenshots/to_ansi.sh \
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test/%.sh \
|
||
build/check_makefile \
|
||
| build/test_pass deploy-screenshots
|
||
./utils/gui-wrapper.sh 800x600x24 ./test/$*.sh $<
|
||
touch build/test_pass/emu_$*
|
||
|
||
.PHONY: test/noemu
|
||
test/noemu: ${tests_noemu:test/%=build/test_pass/noemu_%} build/check_makefile
|
||
|
||
build/test_pass/noemu_zip: ${os_filename} build/check_makefile
|
||
unzip -t ${os_filename}
|
||
touch $@
|
||
|
||
build/test_pass/noemu_sizes: build/os.32k ${os_filename} build/check_makefile
|
||
test "$$(utils/file-length.sh -c build/os.32k)" = "$$((32*1024))"
|
||
test "$$(utils/file-length.sh -c ${os_filename})" = "$$((1440*1024))"
|
||
touch $@
|
||
|
||
# check that the fat filesystem has the correct contents
|
||
build/test_pass/noemu_fat12_contents: ${os_filename} ${dep_bytes_fat12_start} build/check_makefile
|
||
mdir -i "$<@@${bytes_fat12_start}" :: | grep -E "^os[[:space:]]+zip[[:space:]]+"
|
||
touch $@
|
||
|
||
.PHONY: test/requiring_sudo
|
||
test/requiring_sudo: ${tests_requiring_sudo:test/%=build/test_pass/sudo_%} build/check_makefile
|
||
|
||
# check that the fat filesystem can be mounted and has the correct contents
|
||
build/test_pass/sudo_fat12_mount: ${os_filename} ${dep_bytes_fat12_start} build/check_makefile | build/mnt_fat12
|
||
sudo umount build/mnt_fat12 || true
|
||
sudo mount -o loop,ro,offset=${bytes_fat12_start} $< build/mnt_fat12
|
||
ls -l build/mnt_fat12 | grep os.zip
|
||
sudo umount build/mnt_fat12
|
||
touch $@
|
||
|
||
build/test_pass/sudo_iso_mount: ${os_filename} build/check_makefile | build/mnt_iso
|
||
sudo umount build/mnt_iso || true
|
||
sudo mount -o loop,ro $< build/mnt_iso
|
||
ls -l build/mnt_iso | grep os.zip
|
||
sudo umount build/mnt_iso
|
||
touch $@
|
||
|
||
.PHONY: test/macos
|
||
test/macos: all test/noemu test/macos-sh test/macos-sh-x11
|
||
|
||
.PHONY: test/macos-sh-x11
|
||
test/macos-sh-x11:
|
||
sudo mkdir -p /tmp/.X11-unix
|
||
sudo chmod a+rwxt /tmp/.X11-unix
|
||
xvfb :42 & \
|
||
sleep 5; \
|
||
DISPLAY=:42 xterm -e ./os.bat & \
|
||
sleep 5; \
|
||
# DISPLAY=:42 import -window root deploy-screenshots/macos-sh-x11.png
|
||
screencapture deploy-screenshots/macos-sh-x11-screencapture.png
|
||
|
||
.PHONY: test/macos-sh
|
||
test/macos-sh: build/check_makefile \
|
||
build/checkerboard_1024x768.png \
|
||
| deploy-screenshots
|
||
osascript -e 'tell app "Terminal" to do script "'"$$PWD"'/os.bat"'
|
||
sleep 2
|
||
osascript -e 'tell app "Terminal" to activate'
|
||
sleep 5
|
||
(date +%n && sleep 0.2 && date +%n) || true
|
||
screencapture deploy-screenshots/screencapture-os-bat.png
|
||
./utils/gui-wrapper-mac.sh 1024x768x24 ./test/gui-sh-mac.sh ${os_filename}
|
||
|
||
# See https://wiki.osdev.org/EFI#Emulation to emulate an UEFI system with qemu, to test the EFI boot from hdd / cd / fd (?).
|
||
|
||
# Create checkerboard background
|
||
build/checkerboard_%.png: build/check_makefile
|
||
convert -size "$*" \
|
||
tile:pattern:checkerboard \
|
||
-auto-level +level-colors 'gray(192),gray(128)' \
|
||
$@
|
||
|
||
build/checkerboard_%.xbm: build/check_makefile
|
||
convert -size "$*" \
|
||
tile:pattern:checkerboard \
|
||
-auto-level \
|
||
$@
|
||
|
||
# Temporary files
|
||
build/bochsrc build/bochscontinue build/twm_cfg build/virtualbox.img:
|
||
touch $@
|