Changelog 5.89 KB
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version 0.5.2:
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  - 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.
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  - PowerPC system emulation update (Jocelyn Mayer)
  - PC floppy emulation and DMA fixes (Jocelyn Mayer)
  - polled mode for PIC (Jocelyn Mayer)
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  - fixed PTE dirty bit handling
  - fixed xadd same reg bug
  - fixed cmpxchg exception safeness
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version 0.5.1:
  
  - float access fixes when using soft mmu
  - PC emulation support on PowerPC
  - A20 support
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  - 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
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  - added verr, verw, arpl, fcmovxx
  - PowerPC target support (Jocelyn Mayer)
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  - Major SPARC target fixes (dynamically linked programs begin to work)
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version 0.5.0:
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  - 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
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  - added Bochs BIOS and LGPL'ed VGA BIOS loader in qemu
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  - m68k host port (Richard Zidlicky)
  - partial soft MMU support for memory mapped I/Os
  - multi-target build
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  - 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
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  - preliminary SPARC target support (Thomas M. Ogrisegg)
  - tun-fd option (Rusty Russell)
  - automatic IDE geometry detection
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  - renamed 'vl' to qemu[-fast] and user qemu to qemu-{cpu}.
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  - added man page
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  - added full soft mmu mode to launch unpatched OSes.
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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.

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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)
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 - accept User Mode Linux Copy On Write disk images
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 - SMP kernels can at least be booted

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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.

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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
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 - Linux kernel can be executed by QEMU with the 'vl' command.
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version 0.3:
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 - initial support for ARM emulation
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 - added fnsave, frstor, fnstenv, fldenv FPU instructions
 - added FPU register save in signal emulation
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 - initial ARM port
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 - Sparc and Alpha ports work on the regression test
 - generic ioctl number conversion
 - fixed ioctl type conversion
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version 0.2:

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 - PowerPC disassembly and ELF symbols output (Rusty Russell)
 - flock support (Rusty Russell)
 - ugetrlimit support (Rusty Russell)
 - fstat64 fix (Rusty Russell)
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 - initial Alpha port (Falk Hueffner)
 - initial IA64 port (Matt Wilson)
 - initial Sparc and Sparc64 port (David S. Miller)
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 - added HLT instruction
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 - 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
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 - 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)
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version 0.1.6:

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 - automatic library search system. QEMU can now work with unpatched
   ELF dynamic loader and libc (Rusty Russell).
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 - ISO C warning fixes (Alistair Strachan)
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 - first self-virtualizable version (works only as long as the
   translation cache is not flushed)
 - RH9 fixes
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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).

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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.
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 - added times() syscall and SIOCATMARK ioctl.
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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).

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version 0.1.1:

 - glibc 2.2 compilation fixes
 - added -s and -L options
 - binary distribution of x86 glibc and wine
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 - big endian fixes in ELF loader and getdents.
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version 0.1:

 - initial public release.