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$Id: HISTORY,v 1.905 2005/08/16 09:16:24 debug Exp $ |
$Id: HISTORY,v 1.982 2005/10/07 22:45:32 debug Exp $ |
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Changelog for GXemul: |
Changelog for GXemul: |
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--------------------- |
--------------------- |
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============== RELEASE 0.3.5 ============== |
============== RELEASE 0.3.5 ============== |
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20050816 Some success in decoding the way the SGI O2 PROM draws graphics |
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during bootup; lines/rectangles and bitmaps work, enough to |
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show the bootlogo etc. :-) |
| 2200 |
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Adding more PPC instructions, and (dummy) BAT registers. |
| 2201 |
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20050817 Updating the pckbc to support scancode type 3 keyboards |
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(required in order to interact with the SGI O2 PROM). |
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Adding more PPC instructions. |
| 2204 |
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20050818 Adding more ARM instructions; general register forms. |
| 2205 |
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Importing armreg.h from NetBSD (ARM cpu ids). Adding a (dummy) |
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CATS machine mode (using SA110 as the default CPU). |
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Continuing on general dyntrans related stuff. |
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20050819 Register forms for ARM load/stores. Gaah! The Compaq C Compiler |
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bug is triggered for ARM loads as well, not just PPC :-( |
| 2210 |
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Adding full support for ARM PC-relative load/stores, and load/ |
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stores where the PC register is the destination register. |
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Adding support for ARM a.out binaries. |
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20050820 Continuing to add more ARM instructions, and correcting some |
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bugs. Continuing on CATS emulation. |
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More work on the PPC stuff. |
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20050821 Minor PPC and ARM updates. Adding more machine types. |
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20050822 All ARM "data processing instructions" are now generated |
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automatically. |
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20050824 Beginning the work on the ARM system control coprocessor. |
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Adding support for ARM halfword load/stores, and signed loads. |
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20050825 Fixing an important bug related to the ARM condition codes. |
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OpenBSD/zaurus and NetBSD/netwinder now print some boot |
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messages. :) |
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Adding a dummy SH (Hitachi SuperH) cpu family. |
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Beginning to add some ARM virtual address translation. |
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MIPS bugfixes: unaligned PC now cause an ADEL exception (at |
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least for non-bintrans execution), and ADEL/ADES (not |
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TLBL/TLBS) are used if userland tries to access kernel space. |
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(Thanks to Joshua Wise for making me aware of these bugs.) |
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20050827 More work on the ARM emulation, and various other updates. |
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20050828 More ARM updates. |
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Finally taking the time to work on translation invalidation |
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(i.e. invalidating translated code mappings when memory is |
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written to). Hopefully this doesn't break anything. |
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20050829 Moving CPU related files from src/ to a new subdir, src/cpus/. |
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Moving PROM emulation stuff from src/ to src/promemul/. |
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Better debug instruction trace for ARM loads and stores. |
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20050830 Various ARM updates (correcting CMP flag calculation, etc). |
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20050831 PPC instruction updates. (Flag fixes, etc.) |
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20050901 Various minor PPC and ARM instruction emulation updates. |
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Minor OpenFirmware emulation updates. |
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20050903 Adding support for adding arbitrary ARM coprocessors (with |
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the i80321 I/O coprocessor as a first test). |
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Various other ARM and PPC updates. |
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20050904 Adding some SHcompact disassembly routines. |
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20050907 (Re)adding a dummy HPPA CPU module, and a dummy i960 module. |
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20050908 Began hacking on some Apple Partition Table support. |
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20050909 Adding support for loading Mach-O (Darwin PPC) binaries. |
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20050910 Fixing an ARM bug (Carry flag was incorrectly updated for some |
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data processing instructions); OpenBSD/cats and NetBSD/ |
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netwinder get quite a bit further now. |
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Applying a patch to dev_wdc, and a one-liner to dev_pcic, to |
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make them work better when emulating new versions of OpenBSD. |
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(Thanks to Alexander Yurchenko for the patches.) |
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Also doing some other minor updates to dev_wdc. (Some cleanup, |
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and finally converting to devinit, etc.) |
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20050912 IRIX doesn't have u_int64_t by default (noticed by Andreas |
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<avr@gnulinux.nl>); configure updated to reflect this. |
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Working on ARM register bank switching, CPSR vs SPSR issues, |
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and beginning the work on interrupt/exception support. |
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20050913 Various minor ARM updates (speeding up load/store multiple, |
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and fixing a ROR bug in R(); NetBSD/cats now boots as far as |
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OpenBSD/cats). |
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20050917 Adding a dummy Atmel AVR (8-bit) cpu family skeleton. |
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20050918 Various minor updates. |
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20050919 Symbols are now loaded from Mach-O executables. |
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Continuing the work on adding ARM exception support. |
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20050920 More work on ARM stuff: OpenBSD/cats and NetBSD/cats reach |
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userland! :-) |
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20050921 Some more progress on ARM interrupt specifics. |
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20050923 Fixing linesize for VR4121 (patch by Yurchenko). Also fixing |
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linesizes/cachesizes for some other VR4xxx. |
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Adding a dummy Acer Labs M1543 PCI-ISA bridge (for CATS) and a |
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dummy Symphony Labs 83C553 bridge (for Netwinder), usable by |
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dev_footbridge. |
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20050924 Some PPC progress. |
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20050925 More PPC progress. |
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20050926 PPC progress (fixing some bugs etc); Darwin's kernel gets |
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slightly further than before. |
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20050928 Various updates: footbridge/ISA/pciide stuff, and finally |
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fixing the VGA text scroll-by-changing-the-base-offset bug. |
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20050930 Adding a dummy S3 ViRGE pci card for CATS emulation, which |
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both NetBSD and OpenBSD detects as VGA. |
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Continuing on Footbridge (timers, ISA interrupt stuff). |
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20051001 Continuing... there are still bugs, probably interrupt- |
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related. |
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20051002 More work on the Footbridge (interrupt stuff). |
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20051003 Various minor updates. (Trying to find the bug(s).) |
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20051004 Continuing on the ARM stuff. |
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20051005 More ARM-related fixes. |
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20051007 FINALLY! Found and fixed 2 ARM bugs: 1 memory related, and the |
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other was because of an error in the ARM manual (load multiple |
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with the S-bit set should _NOT_ load usermode registers, as the |
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manual says, but it should load saved registers, which may or |
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may not happen to be usermode registers). |
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NetBSD/cats and OpenBSD/cats seem to install fine now :-) |
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except for a minor bug at the end of the OpenBSD/cats install. |
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Updating the documentation, preparing for the next release. |
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20051008 Continuing with release testing and cleanup. |
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