Integrate recent changes done to the amiga branch. Includes support
for the '40.
This commit is contained in:
mw
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036641804e
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faf29d9800
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# from: @(#)Makefile 7.3 (Berkeley) 6/9/91
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# from: @(#)Makefile 7.3 (Berkeley) 6/9/91
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# $Id: Makefile,v 1.3 1993/10/30 23:40:05 mw Exp $
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# $Id: Makefile,v 1.4 1994/01/26 21:00:13 mw Exp $
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COMM= ../net/*.[ch] ../netimp/*.[ch] ../netinet/*.[ch] ../netns/*.[ch] \
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COMM= ../net/*.[ch] ../netimp/*.[ch] ../netinet/*.[ch] ../netns/*.[ch] \
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../netiso/*.[ch] ../netccitt/*.[ch] \
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../netiso/*.[ch] ../netccitt/*.[ch] \
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@ -0,0 +1,45 @@
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This version of NetBSD now includes support for the 68040. This version
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should support both the 68030 and 68040 processors with a single kernel.
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The config option FPSP will include the full Floating Point Support
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Package to provide emulation of the floating point instructions not
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implemented by the 68040. If the FPSP option is not used, then a
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dummy file is included that will cause a panic if any FPSP routine
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is called. This allows building a smaller kernel specifically for
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the 68030.
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The FPSP is provided as an object file. The FPSP was ported to gas by
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Eric Norum (eric@skatter.usask.ca) and is available by anonymous ftp from:
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ftp.usask.ca /pub/software/fpsp/fpsp_gas.tar.gz
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Note: Motorola still holds the title and all rights to the FPSP.
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Support for the Progressive Peripherals Incorporated Zeus SCSI interface
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is also included. If the configuration file does not include support for
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the A3000/A2091/GVP11 drivers, then including the "zeusscsi" driver will
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configure the driver to use the sd (disk) and st (tape) devices. If any
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of the A3000/A2091/GVP11 drivers are configured, then including the zeusscsi
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driver will be configured to use a second set of scsi devices: rz (disk)
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and tz (tape). The rz and tz devices have different major device numbers:
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rz - 5 = block, 9 = character
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tz - 8 = block, 23 = character
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WARNING: since the PPI Zeus SCSI uses the level 6 interrupt, the kernel
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must be compiled with the splbio() macro defined as spl6(). If not,
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then then random kernel hangs will occur. One bad side effect of changing
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splbio() is that it will also block the clock interrupts, which can
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result in incorrect timing. The 53C710 driver (siop.c) also includes
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support the the CSA Magnum 40, but this has not been tested yet.
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The 68040 MMU implementation is not optimal at this time. It was added
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in a manner to fit in with the current 68030 MMU setup without needing
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to completely rewrite the MMU routines. The existing 68030 MMU layout
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was implemented using a two level table: a segment table, and a page
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table. The 68040 MMU can only use a three level table. To simulate a
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two level table, the top level descriptor table is set up and the full
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level 2 descriptor table is allocated and used as the "segment" table.
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This results in 9 pages, or 72K bytes, being allocated for the initial
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page table for each process.
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The reboot command does not work for some reason. It appears to do the
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reset instruction, but doesn't seem to do anything after that.
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Michael Hitch
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The reason I chose 804, thats 709 plus my local version increments since
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709.
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Ok first let me say that this is just a beta. There are known cosmetic
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(small) bugs with some of the code. I felt it was necsesary to get
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this stuff into the public ASAP. For instance the X window people
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really need to be using the new graphics system. I am very concerned
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that they have spent alot of time on code they will be re-writing now.
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I asked them to drop me a note but no one replied.
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Anyway, there are few patches to the main amiga source tree all of
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which were nec. and proper. Note however that I made a patch to
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the main sources, sys/sys/ioctl.h had a bug (IOCBASECMD(x) was incorrect.)
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my code depends on this being right so I included my change.
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I did not get to clean up my include messiness in amiga/cc_* stuff
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or in grf_cc stuff, however I did switch the grf_* stuff over to
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the BSD style of users including what they need.
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This release is a major update in the area of graphics. All parts
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are not fully done yet but they work and work solidly. The interface
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(grf) for monitors can be considered frozen (we may add cosmetics
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later but nothing funcitonal.) So that people wishing to write
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monitor code can do so now.
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If you are going to write a monitor you can use my code as an example
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it may get complex and overwhelming though because of the complexity
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of supporting the custom chips. So you may want to start of only
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with the grf_* stuff and then consult the grf_cc stuff when needed.
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In the area of the ite. I have consolidated all the monitor dependent
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files into a single ite_std.c file. This was possible due to the
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new view device (more on that in a little bit) The ite now has
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support for _underline_ and BOLD attributes as well as continuing
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support of inverse as before. Becuase of these additions the font
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programs need to be updated (I added the code in fontdumper and
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changed the kernel_font.c.distrib to get you started.) The only
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thing that gets added is kernel_font_(baseline|boldsmear) attributes.
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All known ite scrolling bugs and repeating bugs are fixed in this version.
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(actually there is one, but I need to get this out.)
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The new ``/dev/view??'' are the character devices that replace the
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old ``/dev/grf''. These new psuedo-devices represent a single monitor
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screen. They go through the new grf interface in a portable way.
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All programs will interface graphics on Amiga-BSD through these devices.
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(ite does)
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I will shortly (a day or two) be releasing some example code on how
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to program with the view?? devices. For now let me give you an
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example on how to map the bitmap data into your process with the
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view device.
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bitplane_data = mmap (0, size, PROT_READ|PROT_WRITE, MAP_FILE, fdesc, 0);
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``size'' is the number of bytes of bitmap data to map. ``fdesc'' is the
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file descriptor returned from open().
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There are some major bugs with mmap()'ing the 709 grf device. The largest
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being the allowing of processes to quickly vm_fault the kernel. (one access).
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These are gone now.
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Support for the custom hardware is now in the kernel, things such as a
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``/dev/audio'' will probably be written. Its easy now. Any way, the ite
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bell now goes through this interface.
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Some missing stuff: mouse pointer. sorry sprites are not retargetable*
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X windows is however and when that is done you will get your pointer
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back (exactly what was it doing there anyway?)
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A screen blanker. This is a very easy one I hope to have installed
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into the system in a upcoming patch (maybe 20 lines of code needed)
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Again I need to get this out now so it was skipped.
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I hope everyone enjoys the new code features. Now i can try and get
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emacs working...
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Chris...
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(this was written after a 20 hour stint to try and finalize stuff please
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forgive mispellings and improper grammar. thanks)
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--
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(* spites could be but I didn't make them.)
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12/6/93 7:12am.
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Ok here are the latest patches to the CC console and graphics subsystem.
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- iteconfig: is a configuration program that can dynamically change
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your console's settings. It has been placed under GNU
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Copyleft so the source is included. You will have to whip
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a Makefile together to build it---I use the bsd system,
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and mine just wouldn't make (no pun intended) sense to include.
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- cc-fixes.diff: these are the diffs necsessary to use the iteconfig program
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and you should probably apply them to your 713 kernel sources.
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I expect Markus will include them in the next release.
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Enjoy.
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: Whats fixed
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overscan: it works but is a little korny sometimes sorry. The only
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bug I found so far is with an width of 642 it just doesn't center correctly.
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I also am not happy that my overscan abilities do not match that of C='s.
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I will perhaps look into there method at some later time. If your curious
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C= is offseting the bitmap pointers by -2 bytes and doing funky things with
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the ddfstart under 2.0+ so that they can get a tighter fit. You'll probably
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notice that I have to move the screen left at certain widths (644+,674+,708+)
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This is becuase datafetch must be a multiple of 4 and must also not cross the
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$d8 boundry, what C= is doing is offseting the bitmap pointers by -2 and
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delaying display so they can get widths of multiples of 2 (word). I suppose
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I have just figured out how to do it while typeing this README...so next time
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we should have this ability.
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colors: not that anyone noticed but the /dev/view device's colormap functions
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were disabled by Markus. They are now implemented in a cleaner fashion so
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they can be used. iteconfig uses them to allow you to change the screen
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colors.
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2024: 1024x800 sorry this mode still appears to be dead. I haven't had the time
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to look into it. It is enabled however and a quasi-functioning 1024x800x2 (NOTE
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only depths of 2) can be made to display through iteconfig if your kernel allows.
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AGA: someone send me a newer computer :^)
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ECS: ECS PAL is now working so that people with NTSC machinces can use it.
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X: Why is it that as the author of the Custom chips code I haven't received one
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letter from these people? I wonder if they relize that using the view device
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as it was designed will allow people to have a console open and X at the same
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time... HEY X PEOPLE. there is no need to use the /dev/console for X try
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/dev/view01. (Actually I did receive one from Philip asking for my source
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which I gave. no questions asked. no replies received.)
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Again Enjoy,
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Chris.
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@ -0,0 +1,96 @@
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From leland@wacky.acet.org Mon Nov 22 17:48:45 1993
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Received: from mwunix.mitre.org by chsun.eunet.ch (8.6.4/1.34)
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id RAA09132; Mon, 22 Nov 1993 17:48:41 +0100
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Received: from wacky.acet.org.acet.org ([192.188.104.18]) by mwunix.mitre.org (5.65c/SMI-2.2)
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id AA13343; Mon, 22 Nov 1993 11:46:42 -0500
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Received: by wacky.acet.org.acet.org (4.1/SMI-4.1)
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id AA06945; Sun, 21 Nov 93 16:30:44 EST
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Date: Sun, 21 Nov 93 16:30:44 EST
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From: leland@wacky.acet.org (Robert Leland - PSI)
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Message-Id: <9311212130.AA06945@wacky.acet.org.acet.org>
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To: mw@chsun
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Subject: SCSI tape driver.
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Cc: leland@wacky.acet.org
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Status: OR
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I would like to change the way scsi tape /dev/rst maps the minor device.
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This will allow for the selection of more than just one density of tape.
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Also though my Archive Viper 2525 drive can Read QIC-24 Tapes generated by
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a sun tape drive, it has to do this by traversing the tape several times
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until it figures it is a QIC-24, I would rather not wear out my tapes!
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This change would allow all type drive types to specify 3 additional densities, other than
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the default.
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----------------------------- The Bottom Line(first)------------------------------
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People currently using
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/dev/rst0, rts1 .... rst15
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would remain uneffected, regardless of tape drive type.
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People using the Exabyte type tape drives including Python that normally use
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/dev/rst16 , /dev/rst32
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would use instead:
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/dev/rst32, /dev/rst64
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(See below for more details)
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-------------------------------------------------------------------------------------
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Current
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* Specific to Exabyte:
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* minor bit 4 [b1bbbb] (aka /dev/rst16) selects short filemarks
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* Specific to 8mm Drives.
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* minor bit 5 [1bbbbb] (aka /dev/rst32) selects fix block mode, 1k blocks.
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*
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Minor Device: --------------------------------+
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| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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+---+---+---+---+---+---+---+---+
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^ ^ ^ ^ ^ ^ ^ ^
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| | | | | | |___|_____ Unit Number
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| | | | | |_____________ NoRewind
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| | | | |_________________ HiDensity
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| | | |_____________________ Short FileMarks
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|_________________________ Fix block mode 1K
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- - - - - - - - - - - - - - - - - - - - - - -
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Proposed
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* Specific to Exabyte:
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* minor bit 5 [bb1bbbbb] (aka /dev/rst32) selects short filemarks
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* Specific to 8mm Drives.
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* minor bit 6 [bb1bbbbb] (aka /dev/rst64) selects fix block mode, 1k blocks.
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Minor Device: --------------------------------+
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| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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+---+---+---+---+---+---+---+---+
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^ ^ ^ ^ ^ ^ ^ ^
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| | | | | | |___|_____ Unit Number
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| | | | | |_____________ NoRewind
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| | | |___|_________________ HiDensity
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| |_________________________ Short FileMarks
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|_____________________________ Fix block mode 1K
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Advantages: More similar to sun mapping, Keeps bits together.
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Disadvantages: Possiblely some initial confusion.
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- - - - - - - - - - - - - - - - - - - - - - -
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Alternate Proposed
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I would rather keep the density bits together but we could...
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Split the bits used for density Use bits 3 and 6:
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Minor Device: --------------------------------+
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| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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+---+---+---+---+---+---+---+---+
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^ ^ ^ ^ ^ ^ ^ ^
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| | | | | | |___|_____ Unit Number
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| | | | | |_____________ NoRewind
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| | | | |___________________________________ HiDensity
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| | | |_____________________ Short FileMarks |
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| |_________________________ Fix block mode 1K |
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|_________________________________________________|
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This would mean that other users would remain uneffected.
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-----------------------------------------------------------------------------------------
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This change will also benefit other tape drives, so that specific densities can be specified.
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Could really use three bits for density, however It's nice to have a spare bit for the future.
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-Rob
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Loading…
Reference in New Issue