OSDev.org

Hi all!

The intermediate (bugfix+) release Bochs 2.6.1 has been released on April 7th, 2013. Most of the files are now available for download, the online documentation and the website will be updated soon.

Summary of changes:

- CPU / CPUDB
- Bochs is fully aligned with rev45 of the of Intel(R) Architecture Manual.
- Implemented Supervisor Mode Access Protection (SMAP) support
- Implemented VMX APIC Registers Virtualization and VMX Virtual Interrupt Delivery
- Implemented VMCS Shadowing and #VE exception secondary VMEXIT controls emulation
- Implemented RDRAND and RDSEED instructions
! CPUDB: Added AMD FX-4100 (Zambezi) configuration to CPUDB
- Bugfixes for CPU emulation correctness (critical fixes for SVM and
AVX2 emulation)

- Bochs Debugger and Instrumentation
- Use Enhanced GUI Debugger instead of old-style wx debugger with wx gui.
The old-style wx debugger support was deprecated and removed from the source code.

- I/O Devices
- Implemented 3dfx Voodoo Graphics card emulation based on DOSBox patch, to enable
configure with --enable-voodoo option.
- Hard drive / HD image
- Added full save restore support for most of the disk image formats
- undoable / volatile mode: added support of other types of r/o base images
- DLL HD support rewritten and enabled for WIN32 host
- PCI chipset
- Implemented i430FX chipset emulation
- USB UHCI always enabled in the i440FX case

- Config interface
- Configure option --enable-misaligned-sse moved to runtime option in .bochsrc. The old
option is deprecated and should not be used anymore.
- moved 'user_shortcut' bochsrc option to the 'keyboard' option
- save log options per device to bochsrc
- win32: implemented scrollable dialog items for large parameter lists

- GUI and display libraries
- Graphics snapshot feature rewritten to support all kinds of graphics modes
- wx: starting a second simulation without closing Bochs now almost possible

- Tools
- bxcommit: added support for converting flat to growing mode images

Stanislav