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Chameleon: the OS is now also a zip file.

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This commit is contained in:
Georges Dupéron 2018-07-08 03:23:09 +02:00
parent 893a9b9d93
commit dc362b52be
3 changed files with 23 additions and 8 deletions
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2
example-os/.gitignore vendored
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@ -4,4 +4,6 @@
/os.reasm
/os.reasm.disasm
/os.file
/os.fdisk
/os.arm.disasm
/os.zip

27
example-os/Makefile
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@ -2,14 +2,15 @@ os_filename = os.bat
tests = test/qemu-system-i386 test/qemu-system-arm test/virtualbox test/bochs test/gui-sh test/dosbox
os_image_size_kb = 1440
os_sectors_before_partition = 720
os_partition_start_sectors = 3
os_partition_size_sectors = 717 # 720 - start
# CHS parameters for 1.44 MB floppy disk
os_floppy_chs_h = 2
os_floppy_chs_s = 9
.PHONY: all
# all: os.arm.disasm
all: $(os_filename) os.ndisasm.disasm os.reasm.asm os.reasm os.file .gitignore Makefile
all: $(os_filename) os.ndisasm.disasm os.reasm.asm os.reasm os.file os.fdisk .gitignore Makefile
../deploy-screenshots: Makefile
mkdir -p $@
@ -19,16 +20,22 @@ $(os_filename): os.asm ../deploy-screenshots Makefile
rm -f $@
nasm -o $@ $<
mformat -v "Example OS" \
-T $$(($(os_image_size_kb)*1024/512-$(os_sectors_before_partition))) \
-T $$(($(os_partition_size_sectors))) \
-h $(os_floppy_chs_h) \
-s $(os_floppy_chs_s) \
-i "$@@@$$(($(os_sectors_before_partition)*512))"
# mcopy … "$@@@$$(($(os_sectors_before_partition)*512))"
-i "$@@@$$(($(os_partition_start_sectors)*512))"
# mcopy … "$@@@$$(($(os_partition_start_sectors)*512))"
zip os.zip $@
dd seek=$$(($(os_image_size_kb)*1024-$$(wc -c os.zip | cut -d ' ' -f 1))) bs=1 if=os.zip of=$@
zip --adjust-sfx $@
chmod a+x-w $@
os.file: $(os_filename) Makefile
file -kr $< > $@
os.fdisk: $(os_filename) Makefile
fdisk -l $< > $@
os.ndisasm.disasm: $(os_filename) Makefile
../utils/compact-ndisasm.sh $< $@
@ -49,7 +56,7 @@ os.reasm: os.reasm.asm $(os_filename) Makefile
.PHONY: clean
clean: Makefile
rm -f $(os_filename) os.ndisasm.disasm os.reasm.asm os.reasm os.file os.arm.disasm
rm -f $(os_filename) os.ndisasm.disasm os.reasm.asm os.reasm os.file os.arm.disasm os.zip
.gitignore: Makefile
echo /$(os_filename) > $@
@ -58,11 +65,17 @@ clean: Makefile
echo /os.reasm >> $@
echo /os.reasm.disasm >> $@
echo /os.file >> $@
echo /os.fdisk >> $@
echo /os.arm.disasm >> $@
echo /os.zip >> $@
.PHONY: test
test: $(tests) all Makefile
test: $(tests) test/zip all Makefile
.PHONY: $(tests)
$(tests): $(os_filename) ../deploy-screenshots Makefile
cd .. && ./utils/gui-wrapper.sh 800x600x24 ./$@.sh example-os/$<
.PHONY: test/zip
test/zip:
unzip -t os.zip

2
example-os/os.asm
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@ -53,7 +53,7 @@ db "ExOSxx" ;; 0x1b8 unique disk ID (4 bytes, can be any value)
;;; 3 bytes End Head Sector Cylinder (8 bits + 6 bits + 10 bits)
;;; 4 bytes LBA offset
;;; 4 bytes LBA length
db 0x80, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x3d, 0x0b, 0x00, 0x00 ;; 0x1be p1
db 0x80, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x40, 0x0b, 0x00, 0x00, 0x3d, 0x0b, 0x00, 0x00 ;; 0x1be p1
db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ;; 0x1ce p2
db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ;; 0x1de p3
db 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ;; 0x1ee p4