Changelog

   1 version 0.5.2:
   2
   3   - improved soft MMU speed (assembly functions and specializing)
   4   - improved multitasking speed by avoiding flushing TBs when
   5     switching tasks
   6   - improved qemu-fast speed
   7   - improved self modifying code handling (big performance gain in
   8     softmmu mode).
   9   - fixed IO checking
  10   - fixed CD-ROM detection (win98 install CD)
  11   - fixed addseg real mode bug (GRUB boot fix)
  12   - added ROM memory support (win98 boot)
  13   - fixed 'call Ev' in case of paging exception
  14   - updated the script 'qemu-binfmt-conf.sh' to use QEMU automagically
  15     when launching executables for the supported target CPUs.
  16   - PowerPC system emulation update (Jocelyn Mayer)
  17   - PC floppy emulation and DMA fixes (Jocelyn Mayer)
  18   - polled mode for PIC (Jocelyn Mayer)
  19   - fixed PTE dirty bit handling
  20   - fixed xadd same reg bug
  21   - fixed cmpxchg exception safeness
  22   - access to virtual memory in gdb stub
  23   - task gate and NT flag fixes
  24   - eflags optimisation fix for string operations
  25
  26 version 0.5.1:
  27
  28   - float access fixes when using soft mmu
  29   - PC emulation support on PowerPC
  30   - A20 support
  31   - IDE CD-ROM emulation
  32   - ARM fixes (Ulrich Hecht)
  33   - SB16 emulation (malc)
  34   - IRET and INT fixes in VM86 mode with IOPL=3
  35   - Port I/Os use TSS io map
  36   - Full task switching/task gate support
  37   - added verr, verw, arpl, fcmovxx
  38   - PowerPC target support (Jocelyn Mayer)
  39   - Major SPARC target fixes (dynamically linked programs begin to work)
  40
  41 version 0.5.0:
  42
  43   - full hardware level VGA emulation
  44   - graphical display with SDL
  45   - added PS/2 mouse and keyboard emulation
  46   - popw (%esp) fix
  47   - mov to/from segment data width fix
  48   - added real mode support
  49   - added Bochs BIOS and LGPL'ed VGA BIOS loader in qemu
  50   - m68k host port (Richard Zidlicky)
  51   - partial soft MMU support for memory mapped I/Os
  52   - multi-target build
  53   - fixed: no error code in hardware interrupts
  54   - fixed: pop ss, mov ss, x and sti disable hardware irqs for the next insn
  55   - correct single stepping thru string operations
  56   - preliminary SPARC target support (Thomas M. Ogrisegg)
  57   - tun-fd option (Rusty Russell)
  58   - automatic IDE geometry detection
  59   - renamed 'vl' to qemu[-fast] and user qemu to qemu-{cpu}.
  60   - added man page
  61   - added full soft mmu mode to launch unpatched OSes.
  62
  63 version 0.4.3:
  64
  65   - x86 exception fix in case of nop instruction.
  66   - gcc 3.2.2 bug workaround (RedHat 9 fix)
  67   - sparc and Alpha host fixes
  68   - many ARM target fixes: 'ls' and 'bash' can be launched.
  69
  70 version 0.4.2:
  71
  72  - many exception handling fixes (can compile a Linux kernel inside vl)
  73  - IDE emulation support
  74  - initial GDB stub support
  75  - deferred update support for disk images (Rusty Russell)
  76  - accept User Mode Linux Copy On Write disk images
  77  - SMP kernels can at least be booted
  78
  79 version 0.4.1:
  80
  81  - more accurate timer support in vl.
  82  - more reliable NE2000 probe in vl.
  83  - added 2.5.66 kernel in vl-test.
  84  - added VLTMPDIR environment variable in vl.
  85
  86 version 0.4:
  87
  88  - initial support for ring 0 x86 processor emulation
  89  - fixed signal handling for correct dosemu DPMI emulation
  90  - fast x86 MMU emulation with mmap()
  91  - fixed popl (%esp) case
  92  - Linux kernel can be executed by QEMU with the 'vl' command.
  93
  94 version 0.3:
  95
  96  - initial support for ARM emulation
  97  - added fnsave, frstor, fnstenv, fldenv FPU instructions
  98  - added FPU register save in signal emulation
  99  - initial ARM port
 100  - Sparc and Alpha ports work on the regression test
 101  - generic ioctl number conversion
 102  - fixed ioctl type conversion
 103
 104 version 0.2:
 105
 106  - PowerPC disassembly and ELF symbols output (Rusty Russell)
 107  - flock support (Rusty Russell)
 108  - ugetrlimit support (Rusty Russell)
 109  - fstat64 fix (Rusty Russell)
 110  - initial Alpha port (Falk Hueffner)
 111  - initial IA64 port (Matt Wilson)
 112  - initial Sparc and Sparc64 port (David S. Miller)
 113  - added HLT instruction
 114  - LRET instruction fix.
 115  - added GPF generation for I/Os.
 116  - added INT3 and TF flag support.
 117  - SHL instruction C flag fix.
 118  - mmap emulation for host page size > 4KB
 119  - self-modifying code support
 120  - better VM86 support (dosemu works on non trivial programs)
 121  - precise exception support (EIP is computed correctly in most cases)
 122  - more precise LDT/GDT/IDT emulation
 123  - faster segment load in vm86 mode
 124  - direct chaining of basic blocks (faster emulation)
 125
 126 version 0.1.6:
 127
 128  - automatic library search system. QEMU can now work with unpatched
 129    ELF dynamic loader and libc (Rusty Russell).
 130  - ISO C warning fixes (Alistair Strachan)
 131  - first self-virtualizable version (works only as long as the
 132    translation cache is not flushed)
 133  - RH9 fixes
 134
 135 version 0.1.5:
 136
 137  - ppc64 support + personality() patch (Rusty Russell)
 138  - first Alpha CPU patches (Falk Hueffner)
 139  - removed bfd.h dependancy
 140  - fixed shrd, shld, idivl and divl on PowerPC.
 141  - fixed buggy glibc PowerPC rint() function (test-i386 passes now on PowerPC).
 142
 143 version 0.1.4:
 144
 145  - more accurate VM86 emulation (can launch small DOS 16 bit
 146    executables in wine).
 147  - fixed push/pop fs/gs
 148  - added iret instruction.
 149  - added times() syscall and SIOCATMARK ioctl.
 150
 151 version 0.1.3:
 152
 153  - S390 support (Ulrich Weigand)
 154  - glibc 2.3.x compile fix (Ulrich Weigand)
 155  - socketcall endian fix (Ulrich Weigand)
 156  - struct sockaddr endian fix (Ulrich Weigand)
 157  - sendmsg/recvmsg endian fix (Ulrich Weigand)
 158  - execve endian fix (Ulrich Weigand)
 159  - fdset endian fix (Ulrich Weigand)
 160  - partial setsockopt syscall support (Ulrich Weigand)
 161  - more accurate pushf/popf emulation
 162  - first partial vm86() syscall support (can be used with runcom example).
 163  - added bound, cmpxchg8b, cpuid instructions
 164  - added 16 bit addressing support/override for string operations
 165  - poll() fix
 166
 167 version 0.1.2:
 168
 169  - compile fixes
 170  - xlat instruction
 171  - xchg instruction memory lock
 172  - added simple vm86 example (not working with QEMU yet). The 54 byte
 173    DOS executable 'pi_10.com' program was released by Bertram
 174    Felgenhauer (more information at http://www.boo.net/~jasonp/pipage.html).
 175
 176 version 0.1.1:
 177
 178  - glibc 2.2 compilation fixes
 179  - added -s and -L options
 180  - binary distribution of x86 glibc and wine
 181  - big endian fixes in ELF loader and getdents.
 182
 183 version 0.1:
 184
 185  - initial public release.