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Author Message
MasterPhWOffline
Post subject: PC: Bochs v2.6.8  PostPosted: May 05, 2015 - 03:04 PM
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Joined: Jul 06, 2004
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Eine neue Version von Bochs ist erschienen. Bochs ist ein Open-Source Intel x86 CPU und Hardware Emulator für verschiedene Betriebssysteme.


A new version of Bochs has been released.

Quote:
Changes since the last AEP reported version 2.6.52.6.8 (May 3, 2015): CPU / CPUDB
  • Bugfixes for CPU emulation correctness (critical bugfix for x86-64 emulation)
  • Memory type calculation support for Bochs debugger and instrumentation, to enable configure with --enable-memtype option.
  • CPUDB: Added Pentium (P54C) configuration to CPUDB
  • CPUDB: Added Broadwell ULT configuration to CPUDB
  • Updated definition of instrumentation callbacks, see description in instrumentation.txt / Fixed instrumentation examples
Configure and compile
  • Configure option --enable-fast-function-calls now also used for MSVC nmake.
  • Some configure fixes for the GTK debugger support.
GUI and display libraries
  • The VGA update timer mode now can be selected with the 'vga' option.
  • Release all pressed keys when the simwindow gets back the keyboard focus.
  • Win32 gui: Captured mouse cursor now really trapped in window.
  • SDL2: Implemented yes/no dialog (e.g. for VVFAT commit).
  • Some fixes for wxWidgets 3.0 and unicode version compatiblity.
  • Full save/restore support for enhanced gui debugger settings (window+font).
  • Added debugger support for the term gui using a pseudo-terminal.
I/O Devices Hard drive
  • Added Oracle(tm) VM VirtualBox image support (VDI version 1.1)
  • Re-enable "bulk I/O" repeat speedups extension.
  • Some lowlevel cdrom code fixes for Windows and Linux.
Sound
  • SB16: Fixed OPL chip detection by implementing ISA bus delay.
  • SB16: Ported OPL3 emulation from DOSBox and partly removed legacy code.
  • ES1370: Added MIDI UART output support.
  • ES1370: Fixed critical bug that made Win9x drivers crash.
  • Major rewrite of the lowlevel sound code.
  • Added mixer thread support (required for all modules except 'sdl').
  • New mixer and SDL mixer are polling data from the PCM output buffers, the PC speaker beep generator and the OPL3 FM generator.
  • PCM format conversion to 16 bit signed little endian.
  • Added sound 'file' module for VOC, WAV, MID and raw data output and added dual output support (device+file) in midi/wave mode 3.
  • Added capability to set up the sound driver per service.
Floppy
  • Fixed "Read ID" command for single-sided media (patch by Ben Lunt).
ROM BIOS
  • Fixed keyboard scancode processing after keyboard intercept.
  • Fixed rombios32 code to avoid incorrect ACPI table detection.
------------------------------------------------------------------------- Changes in 2.6.7 (November 2, 2014):CPU / CPUDB
  • Implemented AVX-512BW/AVX-512DQ/AVX-512VL extensions emulation.
  • implemented AVX512-IFMA532 instructions emulation.
  • implemented AVX512-VBMI instructions emulation.
  • Bugfixes for CPU emulation correctness (critical fixes for AVX-512, CMPXCHG16B and VMX)
  • Fixed Bochs segmentation fault crash with Handlers Chaining Speedups enabled when compiling with gcc, especially with low optimization levels.
  • Reverted removal of reporting Architectural Perfmon support in pre-defined CPUID modules. Windows 8 and Windows 10 require Performance Monitoring to be reported to boot. To workaround possible Windows 7 64-bit installation issues: use bx_generic CPUID module, which doesn't report Performance Monitoring in CPUID.
GUI and display libraries
  • The VGA update timer and the status LED timer now always use the realtime mode independent from the 'clock' option setting.
  • Added native SDL2 GUI support to Bochs. To enable configure with --with-sdl2.
  • Added new user shortcut "scrlck" (SDL/SDL2 using "Scroll Lock" for fullscreen toggle).
  • Write enhanced gui debugger settings to file on exit and restore on initialization.
I/O Devices USB
  • xHCI model now emulates a NEC/Renesas uPD720202 device (patch by Ben Lunt).
  • Added USB port specific option 'size' for VVFAT disks (range 128M ... 128G). If the size is not specified or invalid, it defaults to 504M. Hard drive / HD image
  • Fixed crash when using a "fixed" type VPC image.
ROM BIOS
  • Fixed int74_function() for 4-byte (wheel mouse) packets.
  • LGPL'd VGABIOS updated from CVS (fixed building VBE modes list)
Misc
  • Visual Studio workspace files updated to VS2013Ex format.
  • bximage_old/bxcommit: removed old obsolete image manipulation tools.
  • Documentation fixes and updates.
------------------------------------------------------------------------- Changes in 2.6.6 (June 15, 2014):CPU / CPUDB
  • allow sandy bridge configuration even when AVX is not compiled in
Configure and compile
  • fixed compilation error when 3dnow support is enabled
  • speedup Visual Studio build by almost 20% by adding /Gr compiler option
Misc
  • fixed minimizing win32 gui window and resolution change while minimized
  • added compiled SeaBIOS 1.7.5 image into Bochs tree along with Bochs BIOS images
  • documentation fixes and updates


Related links:
[ PC Emus / Virtual Machines ][ MAC Emulatoren ]

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