Changelog

   1 This file documents changes for QEMU releases 0.12 and earlier.
   2 For changelog information for later releases, see
   3 https://wiki.qemu.org/ChangeLog or look at the git history for
   4 more detailed information.
   5
   6
   7 version 0.12.0:
   8
   9   - Update to SeaBIOS 0.5.0
  10   - e1000: fix device link status in Linux (Anthony Liguori)
  11   - monitor: fix QMP for balloon command (Luiz Capitulino)
  12   - QMP: Return an empty dict by default (Luiz Capitulino)
  13   - QMP: Only handle converted commands (Luiz Capitulino)
  14   - pci: support PCI based option rom loading (Gerd Hoffman/Anthony Liguori)
  15   - Fix backcompat for hotplug of SCSI controllers (Daniel P. Berrange)
  16   - fdc: fix migration from 0.11 (Juan Quintela)
  17   - vmware-vga: fix segv on cursor resize. (Dave Airlie)
  18   - vmware-vga: various fixes (Dave Airlie/Anthony Liguori)
  19   - qdev: improve property error reporting. (Gerd Hoffmann)
  20   - fix vga names in default_list (Gerd Hoffmann)
  21   - usb-host: check mon before using it. (Gerd Hoffmann)
  22   - usb-net: use qdev for -usbdevice (Gerd Hoffmann)
  23   - monitor: Catch printing to non-existent monitor (Luiz Capitulino)
  24   - Avoid permanently disabled QEMU monitor when UNIX migration fails (Daniel P. Berrange)
  25   - Fix loading of ELF multiboot kernels (Kevin Wolf)
  26   - qemu-io: Fix memory leak (Kevin Wolf)
  27   - Fix thinko in linuxboot.S (Paolo Bonzini)
  28   - target-i386: Fix evaluation of DR7 register (Jan Kiszka)
  29   - vnc: hextile: do not generate ForegroundSpecified and SubrectsColoured tiles (Anthony Liguori)
  30   - S390: Bail out without KVM (Alexander Graf)
  31   - S390: Don't tell guest we're updating config space (Alexander Graf)
  32   - target-s390: Fail on unknown instructions (Alexander Graf)
  33   - osdep: Fix runtime failure on older Linux kernels (Andre Przywara)
  34   - Fix a make -j race (Juergen Lock)
  35   - target-alpha: Fix generic ctz64. (Richard Henderson)
  36   - s390: Fix buggy assignment (Stefan Weil)
  37   - target-mips: fix user-mode emulation startup (Nathan Froyd)
  38   - target-i386: Update CPUID feature set for TCG (Andre Przywara)
  39   - s390: fix build on 32 bit host (Michael S. Tsirkin)
  40
  41 version 0.12.0-rc2:
  42
  43   - v2: properly save kvm system time msr registers (Glauber Costa)
  44   - convert more monitor commands to qmp (Luiz Capitulino)
  45   - vnc: fix capslock tracking logic. (Gerd Hoffmann)
  46   - QemuOpts: allow larger option values. (Gerd Hoffmann)
  47   - scsi: fix drive hotplug. (Gerd Hoffmann)
  48   - pci: don't hw_error() when no slot is available. (Gerd Hoffmann)
  49   - pci: don't abort() when trying to hotplug with acpi off. (Gerd Hoffmann)
  50   - allow default devices to be implemented in config file (Gerd Hoffman)
  51   - vc: colorize chardev title line with blue background. (Gerd Hoffmann)
  52   - chardev: make chardevs specified in config file work. (Gerd Hoffmann)
  53   - qdev: also match bus name for global properties (Gerd Hoffmann)
  54   - qdev: add command line option to set global defaults for properties. (Gerd Hoffmann)
  55   - kvm: x86: Save/restore exception_index (Jan Kiszka)
  56   - qdev: Replace device names containing whitespace (Markus Armbruster)
  57   - fix rtc-td-hack on host without high-res timers (Gleb Natapov)
  58   - virtio: verify features on load (Michael S. Tsirkin)
  59   - vmware_vga: add rom file so that it boots. (Dave Airlie)
  60   - Do not abort on qemu_malloc(0) in production builds (Anthony Liguori)
  61   - Fix ARM userspace strex implementation. (Paul Brook)
  62   - qemu: delete rule target on error (Michael S. Tsirkin)
  63   - QMP: add human-readable description to error response (Markus Armbruster)
  64   - convert more monitor commands to QError (Markus Armbruster)
  65   - monitor: Fix double-prompt after "change vnc passwd BLA" (Markus Armbruster)
  66   - monitor: do_cont(): Don't ask for passwords (Luiz Capitulino)
  67   - monitor: Introduce 'block_passwd' command (Luiz Capitulino)
  68   - pci: interrupt disable bit support (Michael S. Tsirkin)
  69   - pci: interrupt status bit implementation (Michael S. Tsirkin)
  70   - pci: prepare irq code for interrupt state (Michael S. Tsirkin)
  71   - msix: function mask support (Michael S. Tsirkin)
  72   - msix: macro rename for function mask support (Michael S. Tsirkin)
  73   - cpuid: Fix multicore setup on Intel (Andre Przywara)
  74   - kvm: x86: Fix initial kvm_has_msr_star (Jan Kiszka)
  75   - Update OpenBIOS images to r640 (Aurelien Jarno)
  76
  77 version 0.10.2:
  78
  79   - fix savevm/loadvm (Anthony Liguori)
  80   - live migration: fix dirty tracking windows (Glauber Costa)
  81   - live migration: improve error propagation (Glauber Costa)
  82   - qcow2: fix image creation for > ~2TB images (Chris Wright)
  83   - hotplug: fix error handling for if= parameter (Eduardo Habkost)
  84   - qcow2: fix data corruption (Nolan Leake)
  85   - virtio: fix guest oops with 2.6.25 kernels (Rusty Russell)
  86   - SH4: add support for -kernel (Takashi Yoshii, Aurelien Jarno)
  87   - hotplug: fix closing of char devices (Jan Kiszka)
  88   - hotplug: remove incorrect check for device name (Eduardo Habkost)
  89   - enable -k on win32 (Herve Poussineau)
  90   - configure: use LANG=C for grep (Andreas Faerber)
  91   - fix VGA regression (malc)
  92
  93 version 0.10.1:
  94
  95   - virtio-net: check right return size on sg list (Alex Williamson)
  96   - Make qemu_announce_self handle holes (live migration after hotplug)
  97     (Marcelo Tosatti)
  98   - Revert r6804-r6808 (qcow2 allocation info).  This series of changes added
  99     a high cost to startup for large qcow2 images (Anthony Liguori)
 100   - qemu-img: fix help message (Aurelien Jarno)
 101   - Fix build for non-default installs of SDL (Anthony Liguori)
 102   - Fix race condition in env->interrupt_request.  When using TCG and a dynticks
 103     host timer, this condition could cause TCG to get stuck in an infinite
 104     loop (Aurelien Jarno)
 105   - Fix reading encrypted hard disk passwords during early startup (Jan Kiszka)
 106   - Fix encrypted disk reporting in 'info block' (Jan Kiszka)
 107   - Fix console size with tiny displays (MusicPal) (Jan Kiszka)
 108   - Improve error handling in bdrv_open2 (Jan Kiszka)
 109   - Avoid leaking data in mux'ed character devices (Jan Kiszka)
 110   - Fix initial character device reset (no banner in monitor) (Jan Kiszka)
 111   - Fix cpuid KVM crash on i386 host (Lubomir Rintel)
 112   - Fix SLES10sp2 installation by adding ISTAT1 register to LSI SCSI emulation
 113     (Ryan Harper)
 114
 115 version 0.10.0:
 116
 117   - TCG support (No longer requires GCC 3.x)
 118   - Kernel Virtual Machine acceleration support
 119   - BSD userspace emulation
 120   - Bluetooth emulation and host passthrough support
 121   - GDB XML register description support
 122   - Intel e1000 emulation
 123   - HPET emulation
 124   - VirtIO paravirtual device support
 125   - Marvell 88w8618 / MusicPal emulation
 126   - Nokia N-series tablet emulation / OMAP2 processor emulation
 127   - PCI hotplug support
 128   - Live migration and new save/restore formats
 129   - Curses display support
 130   - qemu-nbd utility to mount supported block formats
 131   - Altivec support in PPC emulation and new firmware (OpenBIOS)
 132   - Multiple VNC clients are now supported
 133   - TLS encryption is now supported in VNC
 134   - MIPS Magnum R4000 machine (Hervé Poussineau)
 135   - Braille support (Samuel Thibault)
 136   - Freecom MusicPal system emulation (Jan Kiszka)
 137   - OMAP242x and Nokia N800, N810 machines (Andrzej Zaborowski)
 138   - EsounD audio driver (Frederick Reeve)
 139   - Gravis Ultrasound GF1 sound card (Tibor "TS" Schütz)
 140   - Many, many, bug fixes and new features
 141
 142 version 0.9.1:
 143
 144   - TFTP booting from host directory (Anthony Liguori, Erwan Velu)
 145   - Tap device emulation for Solaris (Sittichai Palanisong)
 146   - Monitor multiplexing to several I/O channels (Jason Wessel)
 147   - ds1225y nvram support (Herve Poussineau)
 148   - CPU model selection support (J. Mayer, Paul Brook, Herve Poussineau)
 149   - Several Sparc fixes (Aurelien Jarno, Blue Swirl, Robert Reif)
 150   - MIPS 64-bit FPU support (Thiemo Seufer)
 151   - Xscale PDA emulation (Andrzej Zaborowski)
 152   - ColdFire system emulation (Paul Brook)
 153   - Improved SH4 support (Magnus Damm)
 154   - MIPS64 support (Aurelien Jarno, Thiemo Seufer)
 155   - Preliminary Alpha guest support (J. Mayer)
 156   - Read-only support for Parallels disk images (Alex Beregszaszi)
 157   - SVM (x86 virtualization) support (Alexander Graf)
 158   - CRIS emulation (Edgar E. Iglesias)
 159   - SPARC32PLUS execution support (Blue Swirl)
 160   - MIPS mipssim pseudo machine (Thiemo Seufer)
 161   - Strace for Linux userland emulation (Stuart Anderson, Thayne Harbaugh)
 162   - OMAP310 MPU emulation plus Palm T|E machine (Andrzej Zaborowski)
 163   - ARM v6, v7, NEON SIMD and SMP emulation (Paul Brook/CodeSourcery)
 164   - Gumstix boards: connex and verdex emulation (Thorsten Zitterell)
 165   - Intel mainstone II board emulation (Armin Kuster)
 166   - VMware SVGA II graphics card support (Andrzej Zaborowski)
 167
 168 version 0.9.0:
 169
 170   - Support for relative paths in backing files for disk images
 171   - Async file I/O API
 172   - New qcow2 disk image format
 173   - Support of multiple VM snapshots
 174   - Linux: specific host CDROM and floppy support
 175   - SMM support
 176   - Moved PCI init, MP table init and ACPI table init to Bochs BIOS
 177   - Support for MIPS32 Release 2 instruction set (Thiemo Seufer)
 178   - MIPS Malta system emulation (Aurelien Jarno, Stefan Weil)
 179   - Darwin userspace emulation (Pierre d'Herbemont)
 180   - m68k user support (Paul Brook)
 181   - several x86 and x86_64 emulation fixes
 182   - Mouse relative offset VNC extension (Anthony Liguori)
 183   - PXE boot support (Anthony Liguori)
 184   - '-daemonize' option (Anthony Liguori)
 185
 186 version 0.8.2:
 187
 188   - ACPI support
 189   - PC VGA BIOS fixes
 190   - switch to OpenBios for SPARC targets (Blue Swirl)
 191   - VNC server fixes
 192   - MIPS FPU support (Marius Groeger)
 193   - Solaris/SPARC host support (Juergen Keil)
 194   - PPC breakpoints and single stepping (Jason Wessel)
 195   - USB updates (Paul Brook)
 196   - UDP/TCP/telnet character devices (Jason Wessel)
 197   - Windows sparse file support (Frediano Ziglio)
 198   - RTL8139 NIC TCP segmentation offloading (Igor Kovalenko)
 199   - PCNET NIC support (Antony T Curtis)
 200   - Support for variable frequency host CPUs
 201   - Workaround for win32 SMP hosts
 202   - Support for AMD Flash memories (Jocelyn Mayer)
 203   - Audio capture to WAV files support (malc)
 204
 205 version 0.8.1:
 206
 207   - USB tablet support (Brad Campbell, Anthony Liguori)
 208   - win32 host serial support (Kazu)
 209   - PC speaker support (Joachim Henke)
 210   - IDE LBA48 support (Jens Axboe)
 211   - SSE3 support
 212   - Solaris port (Juergen Keil)
 213   - Preliminary SH4 target (Samuel Tardieu)
 214   - VNC server (Anthony Liguori)
 215   - slirp fixes (Ed Swierk et al.)
 216   - USB fixes
 217   - ARM Versatile Platform Baseboard emulation (Paul Brook)
 218
 219 version 0.8.0:
 220
 221   - ARM system emulation: Arm Integrator/CP board with an arm1026ej-s
 222     cpu (Paul Brook)
 223   - SMP support
 224   - Mac OS X cocoa improvements (Mike Kronenberg)
 225   - Mac OS X CoreAudio driver (Mike Kronenberg)
 226   - DirectSound driver (malc)
 227   - ALSA audio driver (malc)
 228   - new audio options: '-soundhw' and '-audio-help' (malc)
 229   - ES1370 PCI audio device (malc)
 230   - Initial USB support
 231   - Linux host serial port access
 232   - Linux host low level parallel port access
 233   - New network emulation code supporting VLANs.
 234   - MIPS and MIPSel User Linux emulation
 235   - MIPS fixes to boot Linux (Daniel Jacobowitz)
 236   - NX bit support
 237   - Initial SPARC SMP support (Blue Swirl)
 238   - Major overhaul of the virtual FAT driver for read/write support
 239     (Johannes Schindelin)
 240
 241 version 0.7.2:
 242
 243   - x86_64 fixes (Win2000 and Linux 2.6 boot in 32 bit)
 244   - merge self modifying code handling in dirty ram page mecanism.
 245   - MIPS fixes (Ralf Baechle)
 246   - better user net performances
 247
 248 version 0.7.1:
 249
 250   - read-only Virtual FAT support (Johannes Schindelin)
 251   - Windows 2000 install disk full hack (original idea from Vladimir
 252     N. Oleynik)
 253   - VMDK disk image creation (Filip Navara)
 254   - SPARC64 progress (Blue Swirl)
 255   - initial MIPS support (Jocelyn mayer)
 256   - MIPS improvements (Ralf Baechle)
 257   - 64 bit fixes in user networking (initial patch by Gwenole Beauchesne)
 258   - IOAPIC support (Filip Navara)
 259
 260 version 0.7.0:
 261
 262   - better BIOS translation and HDD geometry auto-detection
 263   - user mode networking bug fix
 264   - undocumented FPU ops support
 265   - Cirrus VGA: support for 1280x1024x[8,15,16] modes
 266   - 'pidfile' option
 267   - .dmg disk image format support (Johannes Schindelin)
 268   - keymaps support (initial patch by Johannes Schindelin)
 269   - big endian ARM support (Lennert Buytenhek)
 270   - added generic 64 bit target support
 271   - x86_64 target support
 272   - initial APIC support
 273   - MMX/SSE/SSE2/PNI support
 274   - PC parallel port support (Mark Jonckheere)
 275   - initial SPARC64 support (Blue Swirl)
 276   - SPARC target boots Linux (Blue Swirl)
 277   - armv5te user mode support (Paul Brook)
 278   - ARM VFP support (Paul Brook)
 279   - ARM "Angel" semihosting syscalls (Paul Brook)
 280   - user mode gdb stub support (Paul Brook)
 281   - Samba 3 support
 282   - initial Cocoa support (Pierre d'Herbemont)
 283   - generic FPU emulation code
 284   - Virtual PC read-only disk image support (Alex Beregszaszi)
 285
 286 version 0.6.1:
 287
 288   - Mac OS X port (Pierre d'Herbemont)
 289   - Virtual console support
 290   - Better monitor line edition
 291   - New block device layer
 292   - New 'qcow' growable disk image support with AES encryption and
 293     transparent decompression
 294   - VMware 3 and 4 read-only disk image support (untested)
 295   - Support for up to 4 serial ports
 296   - TFTP server support (Magnus Damm)
 297   - Port redirection support in user mode networking
 298   - Support for not executable data sections
 299   - Compressed loop disk image support (Johannes Schindelin)
 300   - Level triggered IRQ fix (aka NE2000 PCI performance fix) (Steve
 301     Wormley)
 302   - Fixed Fedora Core 2 problems (now you can run qemu without any
 303     LD_ASSUME_KERNEL tricks on FC2)
 304   - DHCP fix for Windows (accept DHCPREQUEST alone)
 305   - SPARC system emulation (Blue Swirl)
 306   - Automatic Samba configuration for host file access from Windows.
 307   - '-loadvm' and '-full-screen' options
 308   - ne2000 savevm support (Johannes Schindelin)
 309   - Ctrl-Alt is now the default grab key. Ctrl-Alt-[0-9] switches to
 310     the virtual consoles.
 311   - BIOS floppy fix for NT4 (Mike Nordell, Derek Fawcus, Volker Ruppert)
 312   - Floppy fixes for NT4 and NT5 (Mike Nordell)
 313   - NT4 IDE fixes (Ben Pfaf, Mike Nordell)
 314   - SDL Audio support and SB16 fixes (malc)
 315   - ENTER instruction bug fix (initial patch by Stefan Kisdaroczi)
 316   - VGA font change fix
 317   - VGA read-only CRTC register fix
 318
 319 version 0.6.0:
 320
 321   - minimalist FPU exception support (NetBSD FPU probe fix)
 322   - cr0.ET fix (Win95 boot)
 323   - *BSD port (Markus Niemisto)
 324   - I/O access fix (signaled by Mark Jonckheere)
 325   - IDE drives serial number fix (Mike Nordell)
 326   - int13 CDROM BIOS fix (aka Solaris x86 install CD fix)
 327   - int15, ah=86 BIOS fix (aka Solaris x86 hardware probe hang up fix)
 328   - BSR/BSF "undefined behaviour" fix
 329   - vmdk2raw: convert VMware disk images to raw images
 330   - PCI support
 331   - NE2K PCI support
 332   - dummy VGA PCI support
 333   - VGA font selection fix (Daniel Serpell)
 334   - PIC reset fix (Hidemi KAWAI)
 335   - PIC spurious irq support (aka Solaris install bug)
 336   - added '-localtime' option
 337   - Cirrus CL-GD54xx VGA support (initial patch by Makoto Suzuki (suzu))
 338   - APM and system shutdown support
 339   - Fixed system reset
 340   - Support for other PC BIOSes
 341   - Initial PowerMac hardware emulation
 342   - PowerMac/PREP OpenFirmware compatible BIOS (Jocelyn Mayer)
 343   - initial IDE BMDMA support (needed for Darwin x86)
 344   - Set the default memory size for PC emulation to 128 MB
 345
 346 version 0.5.5:
 347
 348   - SDL full screen support (initial patch by malc)
 349   - VGA support on PowerPC PREP
 350   - VBE fixes (Matthew Mastracci)
 351   - PIT fixes (aka Win98 hardware probe and "VGA slowness" bug)
 352   - IDE master only fixes (aka Win98 CD-ROM probe bug)
 353   - ARM load/store half word fix (Ulrich Hecht)
 354   - FDC fixes for Win98
 355
 356 version 0.5.4:
 357
 358   - qemu-fast fixes
 359   - BIOS area protection fix (aka EMM386.EXE fix) (Mike Nordell)
 360   - keyboard/mouse fix (Mike Nordell)
 361   - IDE fixes (Linux did not recognized slave drivers)
 362   - VM86 EIP masking fix (aka NT5 install fix) (Mike Nordell)
 363   - QEMU can now boot a PowerPC Linux kernel (Jocelyn Mayer)
 364   - User mode network stack
 365   - imul imm8 fix + 0x82 opcode support (Hidemi KAWAI)
 366   - precise self modifying code (aka BeOS install bug)
 367
 368 version 0.5.3:
 369
 370   - added Bochs VESA VBE support
 371   - VGA memory map mode 3 access fix (OS/2 install fix)
 372   - IDE fixes (Jens Axboe)
 373   - CPU interrupt fixes
 374   - fixed various TLB invalidation cases (NT install)
 375   - fixed cr0.WP semantics (XP install)
 376   - direct chaining support for SPARC and PowerPC (faster)
 377   - ARM NWFPE support (initial patch by Ulrich Hecht)
 378   - added specific x86 to x86 translator (close to native performance
 379     in qemu-i386 and qemu-fast)
 380   - shm syscalls support (Paul McKerras)
 381   - added accurate CR0.MP/ME/TS emulation
 382   - fixed DMA memory write access (Win95 boot floppy fix)
 383   - graphical x86 linux loader
 384   - command line monitor
 385   - generic removable device support
 386   - support of CD-ROM change
 387   - multiple network interface support
 388   - initial x86-64 host support (Gwenole Beauchesne)
 389   - lret to outer privilege fix (OS/2 install fix)
 390   - task switch fixes (SkyOS boot)
 391   - VM save/restore commands
 392   - new timer API
 393   - more precise RTC emulation (periodic timers + time updates)
 394   - Win32 port (initial patch by Kazu)
 395
 396 version 0.5.2:
 397
 398   - improved soft MMU speed (assembly functions and specializing)
 399   - improved multitasking speed by avoiding flushing TBs when
 400     switching tasks
 401   - improved qemu-fast speed
 402   - improved self modifying code handling (big performance gain in
 403     softmmu mode).
 404   - fixed IO checking
 405   - fixed CD-ROM detection (win98 install CD)
 406   - fixed addseg real mode bug (GRUB boot fix)
 407   - added ROM memory support (win98 boot)
 408   - fixed 'call Ev' in case of paging exception
 409   - updated the script 'qemu-binfmt-conf.sh' to use QEMU automagically
 410     when launching executables for the supported target CPUs.
 411   - PowerPC system emulation update (Jocelyn Mayer)
 412   - PC floppy emulation and DMA fixes (Jocelyn Mayer)
 413   - polled mode for PIC (Jocelyn Mayer)
 414   - fixed PTE dirty bit handling
 415   - fixed xadd same reg bug
 416   - fixed cmpxchg exception safeness
 417   - access to virtual memory in gdb stub
 418   - task gate and NT flag fixes
 419   - eflags optimisation fix for string operations
 420
 421 version 0.5.1:
 422
 423   - float access fixes when using soft mmu
 424   - PC emulation support on PowerPC
 425   - A20 support
 426   - IDE CD-ROM emulation
 427   - ARM fixes (Ulrich Hecht)
 428   - SB16 emulation (malc)
 429   - IRET and INT fixes in VM86 mode with IOPL=3
 430   - Port I/Os use TSS io map
 431   - Full task switching/task gate support
 432   - added verr, verw, arpl, fcmovxx
 433   - PowerPC target support (Jocelyn Mayer)
 434   - Major SPARC target fixes (dynamically linked programs begin to work)
 435
 436 version 0.5.0:
 437
 438   - full hardware level VGA emulation
 439   - graphical display with SDL
 440   - added PS/2 mouse and keyboard emulation
 441   - popw (%esp) fix
 442   - mov to/from segment data width fix
 443   - added real mode support
 444   - added Bochs BIOS and LGPL'ed VGA BIOS loader in qemu
 445   - m68k host port (Richard Zidlicky)
 446   - partial soft MMU support for memory mapped I/Os
 447   - multi-target build
 448   - fixed: no error code in hardware interrupts
 449   - fixed: pop ss, mov ss, x and sti disable hardware irqs for the next insn
 450   - correct single stepping through string operations
 451   - preliminary SPARC target support (Thomas M. Ogrisegg)
 452   - tun-fd option (Rusty Russell)
 453   - automatic IDE geometry detection
 454   - renamed 'vl' to qemu[-fast] and user qemu to qemu-{cpu}.
 455   - added man page
 456   - added full soft mmu mode to launch unpatched OSes.
 457
 458 version 0.4.3:
 459
 460   - x86 exception fix in case of nop instruction.
 461   - gcc 3.2.2 bug workaround (RedHat 9 fix)
 462   - sparc and Alpha host fixes
 463   - many ARM target fixes: 'ls' and 'bash' can be launched.
 464
 465 version 0.4.2:
 466
 467  - many exception handling fixes (can compile a Linux kernel inside vl)
 468  - IDE emulation support
 469  - initial GDB stub support
 470  - deferred update support for disk images (Rusty Russell)
 471  - accept User Mode Linux Copy On Write disk images
 472  - SMP kernels can at least be booted
 473
 474 version 0.4.1:
 475
 476  - more accurate timer support in vl.
 477  - more reliable NE2000 probe in vl.
 478  - added 2.5.66 kernel in vl-test.
 479  - added VLTMPDIR environment variable in vl.
 480
 481 version 0.4:
 482
 483  - initial support for ring 0 x86 processor emulation
 484  - fixed signal handling for correct dosemu DPMI emulation
 485  - fast x86 MMU emulation with mmap()
 486  - fixed popl (%esp) case
 487  - Linux kernel can be executed by QEMU with the 'vl' command.
 488
 489 version 0.3:
 490
 491  - initial support for ARM emulation
 492  - added fnsave, frstor, fnstenv, fldenv FPU instructions
 493  - added FPU register save in signal emulation
 494  - initial ARM port
 495  - Sparc and Alpha ports work on the regression test
 496  - generic ioctl number conversion
 497  - fixed ioctl type conversion
 498
 499 version 0.2:
 500
 501  - PowerPC disassembly and ELF symbols output (Rusty Russell)
 502  - flock support (Rusty Russell)
 503  - ugetrlimit support (Rusty Russell)
 504  - fstat64 fix (Rusty Russell)
 505  - initial Alpha port (Falk Hueffner)
 506  - initial IA64 port (Matt Wilson)
 507  - initial Sparc and Sparc64 port (David S. Miller)
 508  - added HLT instruction
 509  - LRET instruction fix.
 510  - added GPF generation for I/Os.
 511  - added INT3 and TF flag support.
 512  - SHL instruction C flag fix.
 513  - mmap emulation for host page size > 4KB
 514  - self-modifying code support
 515  - better VM86 support (dosemu works on non trivial programs)
 516  - precise exception support (EIP is computed correctly in most cases)
 517  - more precise LDT/GDT/IDT emulation
 518  - faster segment load in vm86 mode
 519  - direct chaining of basic blocks (faster emulation)
 520
 521 version 0.1.6:
 522
 523  - automatic library search system. QEMU can now work with unpatched
 524    ELF dynamic loader and libc (Rusty Russell).
 525  - ISO C warning fixes (Alistair Strachan)
 526  - first self-virtualizable version (works only as long as the
 527    translation cache is not flushed)
 528  - RH9 fixes
 529
 530 version 0.1.5:
 531
 532  - ppc64 support + personality() patch (Rusty Russell)
 533  - first Alpha CPU patches (Falk Hueffner)
 534  - removed bfd.h dependency
 535  - fixed shrd, shld, idivl and divl on PowerPC.
 536  - fixed buggy glibc PowerPC rint() function (test-i386 passes now on PowerPC).
 537
 538 version 0.1.4:
 539
 540  - more accurate VM86 emulation (can launch small DOS 16 bit
 541    executables in wine).
 542  - fixed push/pop fs/gs
 543  - added iret instruction.
 544  - added times() syscall and SIOCATMARK ioctl.
 545
 546 version 0.1.3:
 547
 548  - S390 support (Ulrich Weigand)
 549  - glibc 2.3.x compile fix (Ulrich Weigand)
 550  - socketcall endian fix (Ulrich Weigand)
 551  - struct sockaddr endian fix (Ulrich Weigand)
 552  - sendmsg/recvmsg endian fix (Ulrich Weigand)
 553  - execve endian fix (Ulrich Weigand)
 554  - fdset endian fix (Ulrich Weigand)
 555  - partial setsockopt syscall support (Ulrich Weigand)
 556  - more accurate pushf/popf emulation
 557  - first partial vm86() syscall support (can be used with runcom example).
 558  - added bound, cmpxchg8b, cpuid instructions
 559  - added 16 bit addressing support/override for string operations
 560  - poll() fix
 561
 562 version 0.1.2:
 563
 564  - compile fixes
 565  - xlat instruction
 566  - xchg instruction memory lock
 567  - added simple vm86 example (not working with QEMU yet). The 54 byte
 568    DOS executable 'pi_10.com' program was released by Bertram
 569    Felgenhauer (more information at http://www.boo.net/~jasonp/pipage.html).
 570
 571 version 0.1.1:
 572
 573  - glibc 2.2 compilation fixes
 574  - added -s and -L options
 575  - binary distribution of x86 glibc and wine
 576  - big endian fixes in ELF loader and getdents.
 577
 578 version 0.1:
 579
 580  - initial public release.