Archipelago » qemu

version 0.5.2:

  - improved soft MMU speed (assembly functions and specializing)

  - improved multitasking speed by avoiding flushing TBs when

    switching tasks

  - improved qemu-fast speed

  - improved self modifying code handling (big performance gain in

    softmmu mode).

  - fixed IO checking

  - fixed CD-ROM detection (win98 install CD)

  - fixed addseg real mode bug (GRUB boot fix)

  - added ROM memory support (win98 boot)

  - fixed 'call Ev' in case of paging exception

  - updated the script 'qemu-binfmt-conf.sh' to use QEMU automagically

    when launching executables for the supported target CPUs.

  - PowerPC system emulation update (Jocelyn Mayer)

  - PC floppy emulation and DMA fixes (Jocelyn Mayer)

  - polled mode for PIC (Jocelyn Mayer)

  - fixed PTE dirty bit handling

  - fixed xadd same reg bug

  - fixed cmpxchg exception safeness

  - access to virtual memory in gdb stub

  - task gate and NT flag fixes

  - eflags optimisation fix for string operations

version 0.5.1:

  - float access fixes when using soft mmu

  - PC emulation support on PowerPC

  - A20 support

  - IDE CD-ROM emulation

  - ARM fixes (Ulrich Hecht)

  - SB16 emulation (malc)

  - IRET and INT fixes in VM86 mode with IOPL=3

  - Port I/Os use TSS io map

  - Full task switching/task gate support

  - added verr, verw, arpl, fcmovxx

  - PowerPC target support (Jocelyn Mayer)

  - Major SPARC target fixes (dynamically linked programs begin to work)

version 0.5.0:

  - full hardware level VGA emulation

  - graphical display with SDL

  - added PS/2 mouse and keyboard emulation

  - popw (%esp) fix

  - mov to/from segment data width fix

  - added real mode support

  - added Bochs BIOS and LGPL'ed VGA BIOS loader in qemu

  - m68k host port (Richard Zidlicky)

  - partial soft MMU support for memory mapped I/Os

  - multi-target build

  - fixed: no error code in hardware interrupts

  - fixed: pop ss, mov ss, x and sti disable hardware irqs for the next insn

  - correct single stepping thru string operations

  - preliminary SPARC target support (Thomas M. Ogrisegg)

  - tun-fd option (Rusty Russell)

  - automatic IDE geometry detection

  - renamed 'vl' to qemu[-fast] and user qemu to qemu-{cpu}.

  - added man page

  - added full soft mmu mode to launch unpatched OSes.

version 0.4.3:

  - x86 exception fix in case of nop instruction.

  - gcc 3.2.2 bug workaround (RedHat 9 fix)

  - sparc and Alpha host fixes

  - many ARM target fixes: 'ls' and 'bash' can be launched.

version 0.4.2:

 - many exception handling fixes (can compile a Linux kernel inside vl)

 - IDE emulation support

 - initial GDB stub support

 - deferred update support for disk images (Rusty Russell)

 - accept User Mode Linux Copy On Write disk images

 - SMP kernels can at least be booted

version 0.4.1:

 - more accurate timer support in vl.

 - more reliable NE2000 probe in vl.

 - added 2.5.66 kernel in vl-test.

 - added VLTMPDIR environment variable in vl.

version 0.4:

 - initial support for ring 0 x86 processor emulation

 - fixed signal handling for correct dosemu DPMI emulation

 - fast x86 MMU emulation with mmap()

 - fixed popl (%esp) case

 - Linux kernel can be executed by QEMU with the 'vl' command.

version 0.3:

 - initial support for ARM emulation

 - added fnsave, frstor, fnstenv, fldenv FPU instructions

 - added FPU register save in signal emulation

 - initial ARM port

 - Sparc and Alpha ports work on the regression test

 - generic ioctl number conversion

 - fixed ioctl type conversion

version 0.2:

 - PowerPC disassembly and ELF symbols output (Rusty Russell)

 - flock support (Rusty Russell)

 - ugetrlimit support (Rusty Russell)

 - fstat64 fix (Rusty Russell)

 - initial Alpha port (Falk Hueffner)

 - initial IA64 port (Matt Wilson)

 - initial Sparc and Sparc64 port (David S. Miller)

 - added HLT instruction

 - LRET instruction fix.

 - added GPF generation for I/Os.

 - added INT3 and TF flag support.

 - SHL instruction C flag fix.

 - mmap emulation for host page size > 4KB

 - self-modifying code support

 - better VM86 support (dosemu works on non trivial programs)

 - precise exception support (EIP is computed correctly in most cases)

 - more precise LDT/GDT/IDT emulation

 - faster segment load in vm86 mode

 - direct chaining of basic blocks (faster emulation)

version 0.1.6:

 - automatic library search system. QEMU can now work with unpatched

   ELF dynamic loader and libc (Rusty Russell).

 - ISO C warning fixes (Alistair Strachan)

 - first self-virtualizable version (works only as long as the

   translation cache is not flushed)

 - RH9 fixes

version 0.1.5:

 - ppc64 support + personality() patch (Rusty Russell)

 - first Alpha CPU patches (Falk Hueffner)

 - removed bfd.h dependancy

 - fixed shrd, shld, idivl and divl on PowerPC.

 - fixed buggy glibc PowerPC rint() function (test-i386 passes now on PowerPC).

version 0.1.4:

 - more accurate VM86 emulation (can launch small DOS 16 bit

   executables in wine).

 - fixed push/pop fs/gs

 - added iret instruction.

 - added times() syscall and SIOCATMARK ioctl.

version 0.1.3:

 - S390 support (Ulrich Weigand)

 - glibc 2.3.x compile fix (Ulrich Weigand)

 - socketcall endian fix (Ulrich Weigand)

 - struct sockaddr endian fix (Ulrich Weigand)

 - sendmsg/recvmsg endian fix (Ulrich Weigand)

 - execve endian fix (Ulrich Weigand)

 - fdset endian fix (Ulrich Weigand)

 - partial setsockopt syscall support (Ulrich Weigand)

 - more accurate pushf/popf emulation

 - first partial vm86() syscall support (can be used with runcom example).

 - added bound, cmpxchg8b, cpuid instructions

 - added 16 bit addressing support/override for string operations

 - poll() fix

version 0.1.2:

 - compile fixes

 - xlat instruction

 - xchg instruction memory lock

 - added simple vm86 example (not working with QEMU yet). The 54 byte

   DOS executable 'pi_10.com' program was released by Bertram

   Felgenhauer (more information at http://www.boo.net/~jasonp/pipage.html).

version 0.1.1:

 - glibc 2.2 compilation fixes

 - added -s and -L options

 - binary distribution of x86 glibc and wine

 - big endian fixes in ELF loader and getdents.

version 0.1:

 - initial public release.