Initial commit
Co-authored-by: Robbe Van Herck <robbevanherck1@gmail.com>
This commit is contained in:
redfast00
commit
a8a206884f
6 changed files with 653 additions and 0 deletions
3
.gitignore
vendored
Normal file
3
.gitignore
vendored
Normal file
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@ -0,0 +1,3 @@
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MyBoot.bin
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bochsout.txt
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bx_enh_dbg.ini
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518
bochs.conf
Normal file
518
bochs.conf
Normal file
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@ -0,0 +1,518 @@
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plugin_ctrl: speaker=0
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magic_break: enabled=1
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display_library: x, options="gui_debug"
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#=======================================================================
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# ROMIMAGE:
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# You now need to load a ROM BIOS into F0000-FFFFF. I've wiped
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# out most of the BIOS hooks, and replace them with real BIOS
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# support. Normally, you can use a precompiled BIOS in the bios/
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# directory, named BIOS-bochs-latest.
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#=======================================================================
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#romimage: bios/BIOS-bochs-970717a
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##romimage: file=BIOS-bochs-latest, address=0xf0000
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romimage: file=/usr/share/bochs/BIOS-bochs-legacy
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#romimage: file=bios/BIOS-bochs-2-processors, address=0xf0000
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#romimage: file=bios/BIOS-bochs-4-processors, address=0xf0000
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#romimage: file=bios/rombios.bin, address=0xf0000
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#=======================================================================
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# MEGS
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# set this to the default number of Megabytes of memory you want
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# to emulate. You may also pass the '-megs xyz' option to bochs
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#
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# The default is 32MB, most OS's won't need more than that.
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#=======================================================================
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#megs: 256
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#megs: 128
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#megs: 64
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megs: 32
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#megs: 16
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#megs: 8
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vgaromimage: file=/usr/share/bochs/VGABIOS-lgpl-latest-cirrus
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#=======================================================================
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# FLOPPYA:
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# Point this to pathname of floppy image file or device
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# This should be of a bootable floppy(image/device) if you're
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# booting from 'a'.
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#
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# You can set the initial status of the media to 'ejected' or 'inserted'.
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# floppya: 2_88=path, status=ejected (2.88M 3.5" floppy)
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# floppya: 1_44=path, status=inserted (1.44M 3.5" floppy)
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# floppya: 1_2=path, status=ejected (1.2M 5.25" floppy)
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# floppya: 720k=path, status=inserted (720K 3.5" floppy)
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# floppya: 360k=path, status=inserted (360K 5.25" floppy)
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#
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# The path should be the name of a disk image file. On unix, you can use
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# a raw device name such as /dev/fd0 on Linux. On WinNT and Win2k, use
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# drive letters such as a: or b: as the path. Raw floppy access is not
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# supported on Windows 95 and 98.
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#=======================================================================
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floppya: 1_44=MyBoot.bin, status=inserted
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#floppya: file=../1.44, status=inserted
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#floppya: 1_44=/dev/fd0H1440, status=inserted
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#floppya: 1_2=../1_2, status=inserted
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#floppya: 1_44=a:, status=inserted
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#floppya: 1_44=a.img, status=inserted
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#=======================================================================
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# FLOPPYB:
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# See FLOPPYA above for syntax
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#=======================================================================
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#floppyb: 1_44=b:, status=inserted
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#floppyb: 1_44=b.img, status=inserted
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#=======================================================================
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# ATA0, ATA1, ATA2, ATA3
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# ATA controller for hard disks and cdroms
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#
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# ata[0-3]: enabled=[0|1], ioaddr1=addr, ioaddr2=addr, irq=number
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#
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# These options enables up to 4 ata channels. For each channel
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# the two base io address and the irq must be specified.
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#
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# ata0 is enabled by default, with ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14
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#
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# Examples:
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# ata0: enabled=1, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14
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# ata1: enabled=1, ioaddr1=0x170, ioaddr2=0x370, irq=15
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# ata2: enabled=1, ioaddr1=0x1e8, ioaddr2=0x3e8, irq=11
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# ata3: enabled=1, ioaddr1=0x168, ioaddr2=0x368, irq=9
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#=======================================================================
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ata0: enabled=1, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14
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ata1: enabled=0, ioaddr1=0x170, ioaddr2=0x370, irq=15
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ata2: enabled=0, ioaddr1=0x1e8, ioaddr2=0x3e8, irq=11
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ata3: enabled=0, ioaddr1=0x168, ioaddr2=0x368, irq=9
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#=======================================================================
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# ATA[0-3]-MASTER, ATA[0-3]-SLAVE
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#
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# This defines the type and characteristics of all attached ata devices:
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# type= type of attached device [disk|cdrom]
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# path= path of the image
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# cylinders= only valid for disks
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# heads= only valid for disks
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# spt= only valid for disks
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# status= only valid for cdroms [inserted|ejected]
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# biosdetect= type of biosdetection [none|auto], only for disks on ata0 [cmos]
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# translation=type of transation of the bios, only for disks [none|lba|large|rechs|auto]
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# model= string returned by identify device command
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#
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# Point this at a hard disk image file, cdrom iso file, or physical cdrom
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# device. To create a hard disk image, try running bximage. It will help you
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# choose the size and then suggest a line that works with it.
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#
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# In UNIX it may be possible to use a raw device as a Bochs hard disk,
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# but WE DON'T RECOMMEND IT. In Windows there is no easy way.
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#
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# In windows, the drive letter + colon notation should be used for cdroms.
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# Depending on versions of windows and drivers, you may only be able to
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# access the "first" cdrom in the system. On MacOSX, use path="drive"
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# to access the physical drive.
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#
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# The path, cylinders, heads, and spt are mandatory for type=disk
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# The path is mandatory for type=cdrom
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#
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# Default values are:
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# biosdetect=auto, translation=auto, model="Generic 1234"
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#
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# The biosdetect option has currently no effect on the bios
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#
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# Examples:
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# ata0-master: type=disk, path=10M.sample, cylinders=306, heads=4, spt=17
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# ata0-slave: type=disk, path=20M.sample, cylinders=615, heads=4, spt=17
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# ata1-master: type=disk, path=30M.sample, cylinders=615, heads=6, spt=17
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# ata1-slave: type=disk, path=46M.sample, cylinders=940, heads=6, spt=17
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# ata2-master: type=disk, path=62M.sample, cylinders=940, heads=8, spt=17
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# ata2-slave: type=disk, path=112M.sample, cylinders=900, heads=15, spt=17
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# ata3-master: type=disk, path=483M.sample, cylinders=1024, heads=15, spt=63
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# ata3-slave: type=cdrom, path=iso.sample, status=inserted
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#=======================================================================
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#ata0-master: type=disk, path="30M.sample", cylinders=615, heads=6, spt=17
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#ata0-slave: type=cdrom, path=D:, status=inserted
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#ata0-slave: type=cdrom, path=/dev/cdrom, status=inserted
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#ata0-slave: type=cdrom, path="drive", status=inserted
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#=======================================================================
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#
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# The DISKC option is deprecated. Use ATA* options instead.
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#
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# DISKC: file=, cyl=, heads=, spt=
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# Point this at a hard disk image file. To create
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||||
# a hard disk image, try running bximage. It will help you choose the
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||||
# size and then suggest a diskc line that works with it.
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||||
#
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# In UNIX it may be possible to use a raw device as a Bochs hard disk,
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# but WE DON'T RECOMMEND IT. In Windows there is no easy way.
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||||
#
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# Examples:
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# diskc: file=10M.sample, cyl=306, heads=4, spt=17
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# diskc: file=20M.sample, cyl=615, heads=4, spt=17
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# diskc: file=30M.sample, cyl=615, heads=6, spt=17
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# diskc: file=46M.sample, cyl=940, heads=6, spt=17
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# diskc: file=62M.sample, cyl=940, heads=8, spt=17
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# diskc: file=112M.sample, cyl=900, heads=15, spt=17
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# diskc: file=483M.sample, cyl=1024, heads=15, spt=63
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#=======================================================================
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#diskc: file="30M.sample", cyl=615, heads=6, spt=17
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#=======================================================================
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#
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# The DISKD option is deprecated. Use ATA* options instead.
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#
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# DISKD:
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# See DISKC above for syntax
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#
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# NOTE: diskd and cdromd must not be used together!
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#=======================================================================
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#diskd: file="diskd.img", cyl=615, heads=6, spt=17
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#=======================================================================
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#
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# The CDROMD option is deprecated. Use ATA* options instead.
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#
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# CDROMD:
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#
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# cdromd: dev=/dev/cdrom, status=inserted
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# cdromd: dev=/dev/cdrom, status=ejected
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# cdromd: dev=e:, status=ejected
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#
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||||
# In windows, the drive letter + colon notation should be used for cdroms.
|
||||
# Depending on versions of windows and drivers, you may only be able to
|
||||
# access the "first" cdrom in the system. On MacOSX, use path="drive"
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||||
# to access the physical drive.
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#
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# NOTE: diskd and cdromd must not be used together!
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#=======================================================================
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#cdromd: dev=D:, status=inserted
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#cdromd: dev=/dev/cdrom, status=inserted
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#cdromd: dev="drive", status=inserted
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|
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#=======================================================================
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# NEWHARDDRIVESUPPORT: enabled=[0|1]
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# As of cvs version on 5/17/2001, newharddrivesupport is on by default.
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#=======================================================================
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||||
#newharddrivesupport: enabled=1
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||||
#=======================================================================
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||||
# BOOT:
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||||
# This defines your boot drive.
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||||
# You can either boot from 'floppy', 'disk' or 'cdrom'
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||||
# legacy 'a' and 'c' are also supported
|
||||
# Examples:
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||||
# boot: floppy
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||||
# boot: disk
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||||
# boot: cdrom
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# boot: c
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# boot: a
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||||
#=======================================================================
|
||||
boot: floppy
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||||
#boot: disk
|
||||
|
||||
#=======================================================================
|
||||
# FLOPPY_BOOTSIG_CHECK: disabled=[0|1]
|
||||
# Enables or disables the 0xaa55 signature check on boot floppies
|
||||
# Defaults to disabled=0
|
||||
# Examples:
|
||||
# floppy_bootsig_check: disabled=0
|
||||
# floppy_bootsig_check: disabled=1
|
||||
#=======================================================================
|
||||
#floppy_bootsig_check: disabled=1
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||||
floppy_bootsig_check: disabled=0
|
||||
|
||||
#=======================================================================
|
||||
# LOG:
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||||
# Give the path of the log file you'd like Bochs debug and misc. verbage
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||||
# to be written to. If you really don't want it, make it /dev/null. :^(
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||||
#
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# Examples:
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||||
# log: ./bochs.out
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||||
# log: /dev/tty
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||||
#=======================================================================
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||||
#log: /dev/null
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||||
log: bochsout.txt
|
||||
|
||||
#=======================================================================
|
||||
# LOGPREFIX:
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# This handles the format of the string prepended to each log line.
|
||||
# You may use those special tokens :
|
||||
# %t : 11 decimal digits timer tick
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||||
# %i : 8 hexadecimal digits of cpu0 current eip
|
||||
# %e : 1 character event type ('i'nfo, 'd'ebug, 'p'anic, 'e'rror)
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||||
# %d : 5 characters string of the device, between brackets
|
||||
#
|
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# Default : %t%e%d
|
||||
# Examples:
|
||||
# logprefix: %t-%e-@%i-%d
|
||||
# logprefix: %i%e%d
|
||||
#=======================================================================
|
||||
#logprefix: %t%e%d
|
||||
|
||||
#=======================================================================
|
||||
# LOG CONTROLS
|
||||
#
|
||||
# Bochs now has four severity levels for event logging.
|
||||
# panic: cannot proceed. If you choose to continue after a panic,
|
||||
# don't be surprised if you get strange behavior or crashes.
|
||||
# error: something went wrong, but it is probably safe to continue the
|
||||
# simulation.
|
||||
# info: interesting or useful messages.
|
||||
# debug: messages useful only when debugging the code. This may
|
||||
# spit out thousands per second.
|
||||
#
|
||||
# For events of each level, you can choose to crash, report, or ignore.
|
||||
# TODO: allow choice based on the facility: e.g. crash on panics from
|
||||
# everything except the cdrom, and only report those.
|
||||
#
|
||||
# If you are experiencing many panics, it can be helpful to change
|
||||
# the panic action to report instead of fatal. However, be aware
|
||||
# that anything executed after a panic is uncharted territory and can
|
||||
# cause bochs to become unstable. The panic is a "graceful exit," so
|
||||
# if you disable it you may get a spectacular disaster instead.
|
||||
#=======================================================================
|
||||
panic: action=ask
|
||||
error: action=ask
|
||||
info: action=report
|
||||
debug: action=ignore
|
||||
|
||||
#=======================================================================
|
||||
# DEBUGGER_LOG:
|
||||
# Give the path of the log file you'd like Bochs to log debugger output.
|
||||
# If you really don't want it, make it /dev/null or '-'. :^(
|
||||
#
|
||||
# Examples:
|
||||
# debugger_log: ./debugger.out
|
||||
#=======================================================================
|
||||
#debugger_log: /dev/null
|
||||
#debugger_log: debugger.out
|
||||
debugger_log: -
|
||||
|
||||
#=======================================================================
|
||||
# com1:
|
||||
# This defines a serial (COM) port. You can specify a device to use as com1.
|
||||
# This can be a real serial line, or a pty. To use a pty (under X/Unix),
|
||||
# create two windows (xterms, usually). One of them will run bochs, and the
|
||||
# other will act as com1. Find out the tty the com1 window using the `tty'
|
||||
# command, and use that as the `dev' parameter. Then do `sleep 1000000' in
|
||||
# the com1 window to keep the shell from messing with things, and run bochs in
|
||||
# the other window. Serial I/O to com1 (port 0x3f8) will all go to the other
|
||||
# window.
|
||||
#=======================================================================
|
||||
#com1: enabled=1, dev=/dev/ttyp9
|
||||
|
||||
|
||||
#=======================================================================
|
||||
# PARPORT1:
|
||||
# This defines a parallel (printer) port. When turned on and an output file is
|
||||
# defined the emulated printer port sends characters printed by the guest OS
|
||||
# into the output file. On some platforms a device filename can be used to
|
||||
# send the data to the real parallel port (e.g. "/dev/lp0" on Linux, "lpt1" on
|
||||
# win32 platforms).
|
||||
#
|
||||
# Examples:
|
||||
# parport1: enabled=1, file="parport.out"
|
||||
# parport1: enabled=1, file="/dev/lp0"
|
||||
# parport1: enabled=0
|
||||
#=======================================================================
|
||||
#parport1: enabled=1, file="parport.out"
|
||||
parport1: enabled=0
|
||||
|
||||
#=======================================================================
|
||||
# SB16:
|
||||
# This defines the SB16 sound emulation. It can have several of the
|
||||
# following properties.
|
||||
# All properties are in the format sb16: property=value
|
||||
# midi: The filename is where the midi data is sent. This can be a
|
||||
# device or just a file if you want to record the midi data.
|
||||
# midimode:
|
||||
# 0=no data
|
||||
# 1=output to device (system dependent. midi denotes the device driver)
|
||||
# 2=SMF file output, including headers
|
||||
# 3=output the midi data stream to the file (no midi headers and no
|
||||
# delta times, just command and data bytes)
|
||||
# wave: This is the device/file where wave output is stored
|
||||
# wavemode:
|
||||
# 0=no data
|
||||
# 1=output to device (system dependent. wave denotes the device driver)
|
||||
# 2=VOC file output, incl. headers
|
||||
# 3=output the raw wave stream to the file
|
||||
# log: The file to write the sb16 emulator messages to.
|
||||
# loglevel:
|
||||
# 0=no log
|
||||
# 1=only midi program and bank changes
|
||||
# 2=severe errors
|
||||
# 3=all errors
|
||||
# 4=all errors plus all port accesses
|
||||
# 5=all errors and port accesses plus a lot of extra info
|
||||
# dmatimer:
|
||||
# microseconds per second for a DMA cycle. Make it smaller to fix
|
||||
# non-continous sound. 750000 is usually a good value. This needs a
|
||||
# reasonably correct setting for IPS.
|
||||
#
|
||||
# For an example look at the next line:
|
||||
#=======================================================================
|
||||
|
||||
# sb16: midimode=1, midi=/dev/midi00, wavemode=1, wave=/dev/dsp, loglevel=2, log=sb16.log, dmatimer=600000
|
||||
|
||||
#=======================================================================
|
||||
# VGA_UPDATE_INTERVAL:
|
||||
# Video memory is scanned for updates and screen updated every so many
|
||||
# virtual seconds. The default is 300000, about 3Hz. This is generally
|
||||
# plenty. Keep in mind that you must tweak the 'ips:' directive
|
||||
# to be as close to the number of emulated instructions-per-second
|
||||
# your workstation can do, for this to be accurate.
|
||||
#
|
||||
# Examples:
|
||||
# vga_update_interval: 250000
|
||||
#=======================================================================
|
||||
# vga_update_interval: 300000
|
||||
vga: update_freq=30, realtime=1
|
||||
|
||||
# using for Winstone '98 tests
|
||||
#vga_update_interval: 100000
|
||||
|
||||
#=======================================================================
|
||||
# KEYBOARD_SERIAL_DELAY:
|
||||
# Approximate time in microseconds that it takes one character to
|
||||
# be transfered from the keyboard to controller over the serial path.
|
||||
# Examples:
|
||||
# keyboard_serial_delay: 200
|
||||
#=======================================================================
|
||||
keyboard: type=mf, serial_delay=200, paste_delay=100000
|
||||
# keyboard_serial_delay: 250
|
||||
# keyboard_paste_delay: 100000
|
||||
|
||||
#=======================================================================
|
||||
# FLOPPY_COMMAND_DELAY:
|
||||
# Time in microseconds to wait before completing some floppy commands
|
||||
# such as read/write/seek/etc, which normally have a delay associated.
|
||||
# I had this hardwired to 50,000 before.
|
||||
#
|
||||
# Examples:
|
||||
# floppy_command_delay: 50000
|
||||
#=======================================================================
|
||||
#floppy_command_delay: 500
|
||||
|
||||
#=======================================================================
|
||||
# IPS:
|
||||
# Emulated Instructions Per Second. This is the number of IPS that bochs
|
||||
# is capable of running on your machine. Read the note in config.h
|
||||
# on how to find this. Make sure to recompile after.
|
||||
#
|
||||
# IPS is used to calibrate many time-dependent events within the bochs
|
||||
# simulation. For example, changing IPS affects the frequency of VGA
|
||||
# updates, the duration of time before a key starts to autorepeat, and
|
||||
# the measurement of BogoMips and other benchmarks.
|
||||
#
|
||||
# Examples:
|
||||
# Machine Mips
|
||||
# ________________________________________________________________
|
||||
# 650Mhz Athlon K-7 with Linux 2.4.4/egcs-2.91.66 2 to 2.5 Mips
|
||||
# 400Mhz Pentium II with Linux 2.0.36/egcs-1.0.3 1 to 1.8 Mips
|
||||
# 166Mhz 64bit Sparc with Solaris 2.x approx 0.75 Mips
|
||||
# 200Mhz Pentium with Linux 2.x approx 0.5 Mips
|
||||
#
|
||||
#=======================================================================
|
||||
cpu: ips=1000000
|
||||
|
||||
#=======================================================================
|
||||
# PIT:
|
||||
# The PIT is the programmable interval timer. It has an option that tries to
|
||||
# keep the PIT in sync with real time. This feature is still experimental,
|
||||
# but it may be useful if you want to prevent Bochs from running too fast, for
|
||||
# example a DOS video game. Be aware that with the realtime pit option, your
|
||||
# simulation will not be repeatable; this can a problem if you are debugging.
|
||||
#=======================================================================
|
||||
#pit: realtime=1
|
||||
|
||||
#=======================================================================
|
||||
# mouse: Not used in any of the GUI specific modules, but the option
|
||||
# bx_options.mouse_enabled is set to this value. The idea,
|
||||
# is that the GUI code should not generate mouse events when
|
||||
# not enabled. The hardware emualation itself is not disabled
|
||||
# by this. This is to facilitate deterministic runs of bochs.
|
||||
#
|
||||
# Examples:
|
||||
# mouse: enabled=1
|
||||
# mouse: enabled=0
|
||||
#
|
||||
# I wouldn't recommend enabling the mouse by default, unless you have a
|
||||
# really good reason to do so.
|
||||
#=======================================================================
|
||||
mouse: enabled=0
|
||||
|
||||
#=======================================================================
|
||||
# private_colormap: Request that the GUI create and use it's own
|
||||
# non-shared colormap. This colormap will be used
|
||||
# when in the bochs window. If not enabled, a
|
||||
# shared colormap scheme may be used. Not implemented
|
||||
# on all GUI's.
|
||||
#
|
||||
# Examples:
|
||||
# private_colormap: enabled=1
|
||||
# private_colormap: enabled=0
|
||||
#=======================================================================
|
||||
private_colormap: enabled=0
|
||||
|
||||
#=======================================================================
|
||||
# fullscreen: ONLY IMPLEMENTED ON AMIGA
|
||||
# Request that Bochs occupy the entire screen instead of a
|
||||
# window.
|
||||
#
|
||||
# Examples:
|
||||
# fullscreen: enabled=0
|
||||
# fullscreen: enabled=1
|
||||
#=======================================================================
|
||||
fullscreen: enabled=0
|
||||
screenmode: name="sample"
|
||||
# speaker: enabled=1, mode=system
|
||||
# keyboard_mapping: enabled=0, map=
|
||||
|
||||
#=======================================================================
|
||||
# KEYBOARD_TYPE:
|
||||
# Type of keyboard return by a "identify keyboard" command to the
|
||||
# keyboard controler. It must be one of "xt", "at" or "mf".
|
||||
# Defaults to "mf". It should be ok for almost everybody. A known
|
||||
# exception is french macs, that do have a "at"-like keyboard.
|
||||
#
|
||||
# Examples:
|
||||
# keyboard_type: mf
|
||||
#=======================================================================
|
||||
#keyboard_type: mf
|
||||
|
||||
#=======================================================================
|
||||
# USER_SHORTCUT:
|
||||
# This defines the keyboard shortcut to be sent when you press the "user"
|
||||
# button in the headerbar. The shortcut string can be a combination of
|
||||
# these key names: "alt", "ctrl", "del", "esc", "f1", "f4", "tab", "win".
|
||||
# Up to 3 keys can be pressed at a time.
|
||||
#
|
||||
# Example:
|
||||
# user_shortcut: keys=ctrlaltdel
|
||||
#=======================================================================
|
||||
#user_shortcut: keys=ctrlaltdel
|
||||
|
||||
#=======================================================================
|
||||
# other stuff
|
||||
#=======================================================================
|
||||
# magic_break
|
||||
|
||||
#load32bitOSImage: os=nullkernel, path=../kernel.img, iolog=../vga_io.log
|
||||
#load32bitOSImage: os=linux, path=../linux.img, iolog=../vga_io.log, initrd=../initrd.img
|
||||
# i440fxsupport: enabled=0
|
||||
#time0: 938581955
|
||||
|
||||
#=======================================================================
|
||||
# for Macintosh, use the style of pathnames in the following
|
||||
# examples.
|
||||
#
|
||||
# vgaromimage: :bios:VGABIOS-elpin-2.20
|
||||
# romimage: file=:bios:BIOS-bochs-981222a, address=0xf0000
|
||||
# floppya: 1_44=[fd:], status=inserted
|
||||
#=======================================================================
|
||||
|
||||
#vgaromimage: :bios:VGABIOS-elpin-2.40
|
||||
5
build.sh
Executable file
5
build.sh
Executable file
|
|
@ -0,0 +1,5 @@
|
|||
#!/bin/bash
|
||||
|
||||
rm -rf MyBoot.bin
|
||||
|
||||
nasm -f bin -o MyBoot.bin messages.asm
|
||||
3
emulate.sh
Executable file
3
emulate.sh
Executable file
|
|
@ -0,0 +1,3 @@
|
|||
#!/bin/bash
|
||||
|
||||
bochs -q -f bochs.conf
|
||||
122
messages.asm
Normal file
122
messages.asm
Normal file
|
|
@ -0,0 +1,122 @@
|
|||
org 0x7C00
|
||||
bits 16
|
||||
|
||||
WIDTH equ 0x50
|
||||
HEIGHT equ 0x18
|
||||
VIDEO_MODE equ 0x3
|
||||
|
||||
;; see http://www.ctyme.com/intr/int-10.htm for interrupts
|
||||
|
||||
start:
|
||||
;; Use color mode
|
||||
mov ax, VIDEO_MODE
|
||||
int 10h
|
||||
|
||||
;; Clear screen
|
||||
mov ah, 0x06
|
||||
mov al, 0x00
|
||||
mov bh, 0x0F
|
||||
mov cx, 0x0000
|
||||
mov dh, HEIGHT
|
||||
mov dl, WIDTH
|
||||
int 0x10
|
||||
|
||||
;; Set cursor to bottom of screen
|
||||
mov dh, HEIGHT
|
||||
mov dl, 0x00
|
||||
mov bh, 0x00
|
||||
mov ah, 0x02
|
||||
int 0x10
|
||||
|
||||
.loop:
|
||||
;; Read character
|
||||
mov ah, 0x00
|
||||
int 0x16
|
||||
|
||||
cmp al, 0x0d ; newline
|
||||
je .newline
|
||||
cmp al, 0x08 ; delete character
|
||||
je .change_color_mode
|
||||
jmp .nonewline
|
||||
|
||||
.change_color_mode:
|
||||
;; Read character
|
||||
mov ah, 0x00
|
||||
int 0x16
|
||||
mov [color_mode], al
|
||||
jmp .loop
|
||||
|
||||
.newline:
|
||||
;; Scroll up window
|
||||
mov ah, 0x06
|
||||
mov al, 0x01
|
||||
mov bh, 0x0F
|
||||
mov cx, 0x0000
|
||||
mov dh, HEIGHT
|
||||
mov dl, WIDTH
|
||||
int 0x10
|
||||
|
||||
;; Get current cursor position
|
||||
mov bh, 0x00
|
||||
mov ah, 0x03
|
||||
int 0x10
|
||||
|
||||
;; Move cursor to beginning of screen
|
||||
mov dl, 0x00
|
||||
mov ah, 0x02
|
||||
int 0x10
|
||||
|
||||
jmp .loop
|
||||
|
||||
|
||||
.nonewline:
|
||||
|
||||
;; Write character
|
||||
mov ah, 0x09
|
||||
mov bh, 0x00
|
||||
mov bl, [color_mode]
|
||||
mov cx, 0x01
|
||||
int 0x10
|
||||
|
||||
;; Get current cursor position
|
||||
mov ah, 0x03
|
||||
int 0x10
|
||||
|
||||
cmp dl, WIDTH
|
||||
jge .eol
|
||||
jmp .noeol
|
||||
|
||||
.eol:
|
||||
;; Scroll up window
|
||||
mov ah, 0x06
|
||||
mov al, 0x01
|
||||
mov bh, 0x0F
|
||||
mov cx, 0x0000
|
||||
mov dh, HEIGHT
|
||||
mov dl, WIDTH
|
||||
int 0x10
|
||||
|
||||
;; Move cursor to beginning of screen
|
||||
mov bh, 0
|
||||
mov dh, HEIGHT
|
||||
mov dl, 0x00
|
||||
mov ah, 0x02
|
||||
int 0x10
|
||||
|
||||
jmp .loop
|
||||
|
||||
.noeol:
|
||||
|
||||
;; Move cursor forward
|
||||
inc dl
|
||||
mov ah, 0x02
|
||||
int 0x10
|
||||
|
||||
jmp .loop
|
||||
|
||||
halt: hlt
|
||||
|
||||
color_mode: db 0x05
|
||||
|
||||
times 510 - ($ - $$) db 0
|
||||
dw 0xAA55
|
||||
2
run.sh
Executable file
2
run.sh
Executable file
|
|
@ -0,0 +1,2 @@
|
|||
#!/bin/bash
|
||||
./build.sh && ./emulate.sh
|
||||
Loading…
Reference in a new issue