and works okay with one rom track only. We still have to implement reading
the real TOC on win32.
- in function GetCDCapacity(): type of variable 'buf[8]' must be 'unsigned char'
- in function capacity(): win32 version returned the number of bytes, but it
should return the number of blocks (ASPI blocksize is 2352)
- description of the function capacity() fixed (it always returns blocks)
controller returns an error code until we are able to implement this feature.
- init_send_atapi_command(): don't panic if alloc_length is 0, use byte_count
to set alloc_length instead
- fixed a BX_PANIC message in the io write handler for port 0x1f0
- init(): set the initial status to BX_EJECTED if evaluate_media() fails
- don't modify the DOR when a drive > 1 is selected
- floppy command 'get status' now recognizes the head field
- floppy command 'recalibrate': don't set cylinder to 0 before completion
- floppy command 'sense interupt status' does not clear status register 0
- floppy command 'configure': more detailed BX_DEBUG messages
- floppy command 'read ID' does not modify status register 0
- floppy read/write commands: set the error bit in status register 0 if media
is not present
- better detection of not existing drives in some commands: check the media type
of the selected drive instead of the drive select value
- behaviour of floppy commands 'recalibrate' and 'seek' changed:
* drive is busy in the execution phase, but not the controller
* replaced the panic by setting the error status if drive is not existing
- evaluate_media(): set the media type even if device/file is not present
'-nocp' option
- reverted latest changes in function bx_do_text_config_interface()
- removed unnecessary forward declaration of function bx_print_header()
- replace the loglevel ACT_ASK by ACT_FATAL only when compiled without control
panel
- detection of the config file fixed - fopen returns NULL if the function fails
references in the other manpages are updated.
- the version placeholder is now written in lowercase. This prevents the
modification of the sed argument by 'configure'
- install/uninstall commands for the manpages in Makefile.in modified to make
the changes obove work.
- header and footer of the manpages fixed
- pathnames of installed files updated (FHS compatibility)
- "parport1" section in the bochsrc manpage added
- new option "cdrom" in the "boot" section of the bochsrc manpage added
to describe the format of the log prefix. This option can be any string
with special tokens being replaced at run time :
# %t : 11 decimal digits timer tick
# %i : 8 hexadecimal digits of cpu0 current eip
# %e : 1 character event type ('i'nfo, 'd'ebug, 'p'anic, 'e'rror)
# %d : 5 characters string of the device, between brackets
the default is "%t%i%d", so the logprefix is the same as before.
New tokens can be easily added or changed if needed.
Modified Files:
.bochsrc bochs.h logio.cc main.cc gui/control.cc
gui/siminterface.h gui/siminterface.cc
patches/patch.logfilefmteip
see patch [ 551811 ]
Location of some files on Bochs installation breaks the
Filesystem Hierrachy Standard, to be found at:
http://www.pathname.com/fhs/
It is important to comply with FHS because most
distributions require it in order to accept packages.
in a multiprocessor simulation. Imagine that! Without the patch, there is
just one FPU for all the processors, which is clearly wrong.
See bug [ 461762 ] multiple processors but only one FPU
- new real mode PCI BIOS functions: find device, read/write byte/dword
- C code for PCI BIOS handles errors and prints messages only
- function setPCIaddr() no longer needed
- functions inw() and outw() no longer used by the PCI BIOS
- BIOS32 checksum calculation rewriten to prevent errors
- labels of protected mode PCI BIOS renamed
DMA functions defined. Most of the changes are based on the "bochs sync"
version of plex86. Here is the list of changes:
* register/unregister functions for DMA channels added. The DMA controller
can use the DMA read/write handlers of registered devices directly.
* "hardwired" code in dma.cc removed
* all DMA related code in devices.cc and iodev.h removed
* DMA related code in pc_system.* removed except HRQ handling
* macros for DMA functions defined in bochs.h
* floppy and SB16 code modified to use the changes described above
Linux (kernel 2.2.18) is able to use the new features.
Here is the list of changes:
* BIOS32 data structure added
* BIOS32 and protected mode PCI BIOS functions added. The BIOS32 function
returns a pointer to the PCI BIOS entry point when the service $PCI is
requested and the PCI hardware is present.
* Supported 32 bit functions: installation check, find pci device,
read configuration byte/word/dword, write configuration byte/word/dword
* real mode PCI BIOS installation check rewritten in assembler to use 32 bit
registers for the protected mode entry point and the 'PCI ' signature.
TODO:
* add missing functions of the PCI BIOS (if necessary)
* add missing features of the i440FX PCI bridge
* implement the other parts of the i440FX chipset (PCI-to-ISA bridge,
PCI IDE controller, USB controller)
Specific changes from the patch:
1.) renamed fdcache_eip to fdcache_ip, as it is using
the RIP instead of the EIP.
2.) added a Boolean array fdcache_is32 which uses is32
to determine icache hits. Otherwise we could run 32-bit
code as 16-bit or vice versa.
Modified Files:
config.h.in cpu/cpu.cc cpu/cpu.h memory/memory.cc
The new function register_pci_handlers() is similar to the register functions
for i/o addresses. A PCI device can register the read/write handlers for it's
private PCI configuration space. The i/o mapped registers of the host bridge
control the access to the configuration registers of each PCI device. You can
select the bus, device, function and register address with the confAddr
register. The confData register is a window to the configuration space of the
selected device.
- reset sets the values of the i/o mapped registers to 0
- changed some BX_INFO messages to BX_DEBUG
This means that the REALTIME_PIT now only works on machines
that are capable of sustaining 150000 IPS, in aggregate. This
seems a reasonable requirement, as even my 200Mhz PPC with 16MB
of memory can sustain that.
This is now probably ready for primetime, so I need to get it
added to the configure options.
this little patch brings a significant speed improvement to
the bximage utility. when bximage creates a disk image, it writes
a lot of zeros. actually as much zeros as the size of the image file.
this takes quite a while for large images (at least in my win98/cygwin box).
a faster way to create the image file is to seek to its end and write a
single byte.
to see the speed improvement, create a 100mb image with the old bximge.
then apply this patch and do the same.
This seems to work, but I don't think it works on slow machines (like mine.)
At least, I'm getting fails with the dlxlinux image, but they're pretty
sporadic. This code shouldn't cause any fails.
* dimension_update() stores the global variables columns, rows and
font_height_orig; it uses X font sizes to recalculate the screen size
* text_update() uses the columns, rows and X font sizes when redrawing the
screen; it adjusts the cursor shape using the font sizes
- functions inw() and outw() are required for the ATA driver too
- real mode PCI BIOS installation check returns revision level 2.10
- unsupported real mode PCI BIOS functions return the error code 0x81
- added ASM_START / ASM_END instead of #asm / #endasm.
Now we are (tested) able to compile with both gcc2 and gcc3
compiler (Eventually!) Aren't you happy Jeroen ? ;-)
- fixed [ 549815 ]. I included back int19_relocated at the bios
space could not hold the new mov ex, ax
- int19 calls int18 if the boot has failed. I hope this is the
right behavior.
floppy_bootsig_check: disabled=[0|1]. It is not disabled by default.
Sorry for any inconvenience it could cause
- changed the default (if cmos reg is 0) behavior for the floppy boot signature
check, so the new bios is compatible with older bochs binaries (useful if we
want to use the new bios when we release 1.4.1) :
1 : disabled
0 : enabled
- added info at launch time about the boot device and the floppy boot signature
check
- added a "LBA capable" flag in the ata controller
- fixed opened netdevice name (/dev/net/tun...)
- fixed test on iface name (tun instead of tap)
- cosmetic changes
- added example in .bochsrc
Much of these fixes have been contributed by Frederic Bothamy
- added BX_DEBUG, BX_INFO, BX_PANIC macros
- BX_DEBUG outputs to the INFO port till we can easily choose debug output on a per-device basis
- BX_DEBUG are only generated if DEBUG_ROMBIOS is defined to 1
- do not panic on unsupported function in int13, only output info message
- fixed a bug on boot signature check never done on floppy/harddisk and always on floppy images on cd
- the boot signature check on harddisks is always done
- the boot signature check on cdroms (either direct boot or floppy images) is never done
- the boot signature check on floppies is conditionnal to CMOS reg 0x38 (configuration floppy_bootsig_check)
- moved PIC initialization before calling optional rombios init functions (feature request [ 541908 ])
- BX_DEBUG outputs to the INFO port till we can easily choose debug output on a per-device basis
- BX_DEBUG are only generated if DEBUG_ROMBIOS is defined to 1
- do not panic on unsupported function in int13, only output info message
- fixed a bug on boot signature check never done on floppy/harddisk and always on floppy images on cd
- the boot signature check on harddisks is always done
- the boot signature check on cdroms (either direct boot or floppy images) is never done
- the boot signature check on floppies is conditionnal to CMOS reg 0x38 (configuration floppy_bootsig_check)
- moved PIC initialization before calling optional rombios init functions (feature request [ 541908 ])
- The emulated vga card issues a dimension_update() using the real
screen dimensions and the real font height.
- The gui selects a font with the requested height or it recalculates
the screen height if the font height is not available.
- The text_update() function uses a new variable 'ncols' instead of the
fixed value of 80 for the number of text columns.
I have tested the changes with X11/Linux, SDL, wxGTK and win32. The changes
in the other guis are not tested yet.
cursor size issue a screen update request
- reading an invalid CRTC register returns 0 / writing is ignored
- bit 7 of CRTC address register is always 0
- debug messages for CRTC registers updated / panics removed
- use the number of visible columns in text mode when calculating the screen
width and the cursor position
not required to use a patched wxWindows library, but it allows us to
do much better key mapping. Bryce sent this patch to the wxWindows
developers, and wxWindows 2.3.3 will include these changes.
60 bytes. It may be simpler to just put the padding code into
ne2k.cc instead. As Peter says:
> I don't think it really matters, but for correctness, the eth_*.cc modules
> should probably all be patched as they are simulating what appears on the
> wire (which is wrong). The ne2k.cc module takes what's on the wire and
> assembles it into packets. By doing it that way, the bug is fixed for all
> NIC drivers in the future.
