Release Bochs 2.8

Bochs - Cross Platform x86 Emulator Project

Brief summary of changes :

Bugfixes for CPU emulation correctness (MONITOR/MWAIT, VMX/SVM, x87, AVX-VNNI, AVX-512, CET)
    Critical CPU emulation bugfixes for SHA and GFNI instructions, ADOX and XRSTOR/XRSTORS instructions (prevented boot of Win10)
    ! SVM: Implemented SVM VM_CR_MSR and INIT redirect (required for booting SMP with SVM)
    ! Implemented VMX MBE (Mode Based Execution Control) emulation required for Windows 11 guest
    ! Implemented VMX 'Shadow Stack Prematurely Busy' control
    ! Implemented MSR IA32_SPEC_CTRL Virtualization VMX extension
    ! Implemented Posted-Interrupt Processing VMX extension emulation
    ! Implemented Linear Address Separation (LASS) extension
    ! Implemented 57-bit Linear Address and 5-Level Paging support
    ! Implemented User-Level Interrupt (UINTR) extension
    ! Implemented Intel AMX extensions (AMX, AMX_INT8, AMX_BF16, AMX_FP16, AMX_COMPLEX)
    ! Implemented Intel instruction sets:
    MOVDIRI/MOVDIR64B, AVX512 BF16, AVX IFMA52, VNNI-INT8/VNNI-INT16, AVX-NE-CONVERT, CMPCCXADD, SM3/SM4, SHA512, WRMSRNS, MSRLIST, WAITPKG, SERIALIZE
    ! CPUID: Added Xeon Sapphire Rapids CPU definition
Improved 64-bit guest support in Bochs internal debugger, added new internal debugger commands
Bochs debugger enhanced with new commands (setpmem, loadmem, deref, ...)
Enhanced magic breakpoint capabilities. Refer to user documentation for more details.
Updated Bochs instrumentation examples for new disassembler introduced in Bochs 2.7 release
USB: Fixed/added USB 2.0 Compliance to all devices. Hub still needs a few additions
USB: xHCI: added the ability to have more than one model of xHCI hardware. Currently there are two.
USB: Added experimental MSD UASP emulation
USB: Added OHCI as an EHCI Companion option. Now allows UHCI or OHCI specified as a configuration parameter.
Disk images: Allows large VHD image files
Fixed and enhanced the Floppy Disk emulation, VGA emulation fixes
Expand maximum resolution for Banshee and Voodoo 3 from 1600x1280 to 1920x1440
LGPL'd VGABIOS updated to version 0.9a (several VBE fixes / additions)
Documentation updates and fixes