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2011-02-24virtio-serial: kill VirtIOSerialDeviceGerd Hoffmann
VirtIOSerialDevice is like VirtIOSerialPort with just the first two fields, which makes it pretty pointless. Using VirtIOSerialPort directly works equally well and is less confusing. [Amit: - rebase - rename 'dev' to 'port' in function params in virtio-serial.h ] Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-24Add TAGS and *~ to .gitignoreDavid Gibson
Add the etags output generated by "make TAGS" and editor backup files to .gitignore. This patch has previously appeared in my series of patches to add pSeries emulation support. However, it obviously has no real connection to that, and can be applied seperately. Please apply. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-24target-arm: fix support for VRSQRTE.Christophe Lyon
Now use the same algorithm as described in the ARM ARM. Signed-off-by: Christophe Lyon <christophe.lyon@st.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-24target-arm: fix support for VRECPE.Christophe Lyon
Now use the same algorithm as described in the ARM ARM. Signed-off-by: Christophe Lyon <christophe.lyon@st.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-24target-arm: Introduce float64_256 and float64_512 constants.Christophe Lyon
These two constants will be used by helper functions such as recpe_f32 and rsqrte_f32. Signed-off-by: Christophe Lyon <christophe.lyon@st.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-24softfloat: add _set_sign(), _infinity and _half for 32 and 64 bits floats.Christophe Lyon
These constants and utility function are needed to implement some helpers. Defining constants avoids the need to re-compute them at runtime. Signed-off-by: Christophe Lyon <christophe.lyon@st.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-24softfloat: move all default NaN definitions to softfloat.h.Christophe Lyon
These special values are needed to implement some helper functions, which return/use these values in some cases. Signed-off-by: Christophe Lyon <christophe.lyon@st.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-24hw/sd.c: Add missing state change for SD_STATUS, SEND_NUM_WR_BLOCKSPeter Maydell
The SD_STATUS and SEND_NUM_WR_BLOCKS commands are supposed to cause the card to send data back to the host. However sd.c was missing the state change to sd_sendingdata_state for these commands, with the effect that the Linux driver would either hang indefinitely waiting for nonexistent data (pl181) or read zeroes and provoke a qemu warning message (omap). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-23vnc: Fix fatal crash with vnc reverse modeStefan Weil
Reverse mode is unusable: qemu -vnc localhost:5500,reverse crashes in vnc_refresh_server_surface because some pointers are NULL. Fix this by calling vnc_dpy_resize (which initializes these pointers) before calling vnc_refresh. Cc: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: add a non-adaptive optionCorentin Chary
This option allow to disable adaptive behaviors in some encodings. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: tight: tweak adaptive tight settingsCorentin Chary
The force_jpeg threshold was too low. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: don't try to send bigger updates that client heightCorentin Chary
Respect client size if it doesn't not support desktop resizing. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: use the new generic bitmap functionsCorentin Chary
Switch to bitmap.h and bitops.h instead of redefining our own bitmap helpers. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23bitmap: add a generic bitmap and bitops libraryCorentin Chary
Add most used bitmap and bitops functions into bitmap.c and bitops.c. Theses functions are mostly copied from Linux kernel source. Some of these functions are already redefined in the VNC server. Some of them could be used for some block stuff. The yet yo be submitted NUMA work also need bitmaps. bitops_ffsl() and bitops_flsl() are here because bitops/bitmap works on unsigned long, not int, and we can't use current code because: * ffs only works on int * qemu_fls only works on int * ffsl is a GNU extension Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: fix lossy rect refreshingCorentin Chary
The for loop in send_lossy_rect was totally wrong, and we can't call vnc_set_bits() because it does not really do what it should. Use vnc_set_bit() directly instead. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: fix uint8_t comparisons with negative valuesCorentin Chary
Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: Add ZRLE and ZYWRLE encodings.Corentin Chary
Add ZRLE [1] and ZYWRLE [2] encodings. The code is inspire^W stolen from libvncserver (again), but have been rewriten to match QEMU coding style. [1] http://www.realvnc.com/docs/rfbproto.pdf [2] http://micro-vnc.jp/research/remote_desktop_ng/ZYWRLE/publications/ Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: palette: and fill and color calls.Corentin Chary
These two helpers are needed for zrle and zywrle. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: palette: add palette_init callsCorentin Chary
This allow to use palette on the stack instead of always allocating them. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: palette: use a pool to reduce memory allocationsCorentin Chary
We now that the palette will never have more than 256 elements. Let's use a pool to reduce malloc calls. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: tight: use the update frequency to choose between lossy and losslessCorentin Chary
Use the new update frequency infrastructure to use jpeg for regions with high update frequency. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: refresh lossy rect after a given timeoutCorentin Chary
If an adaptive encoding has choosen to send a lossy update based on the result of vnc_update_freq(), then it should advertise it with vnc_sent_lossy_rect(). This will allow to automatically refresh this rect once it's static again. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: add a way to get the update frequency for a given regionCorentin Chary
This patch compute the update frequency (in Hz) for each 64x64 rects. Any adaptive encoding can get this value using vnc_update_freq(), and switch to a lossy encoding if the value is too high. The frequency is pre-calculated every 500ms, based on the last 10 updates per 64x64 rect. If a 64x64 rect was not updated in the last 2 second, then the frequency became 0, and all the stored timestamp are reseted. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23vnc: don't set the quality if lossy encoding are disabledCorentin Chary
This should not change the current behavior, but if any new encoding try to use the tight quality, it will always be set to -1 when lossy encodings are disabled. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-02-23microblaze: Allow targeting little-endian mbEdgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
2011-02-23pls3adsp1800: Base load_elf endianness on target endiannessEdgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
2011-02-23do not use qemu_icount_delta in the !use_icount casePaolo Bonzini
The !use_icount code is the same for iothread and non-iothread, except that the timeout is different. Since the timeout might as well be infinite and is only masking bugs, use the higher value. With this change the !use_icount code is handled equivalently in qemu_icount_delta and qemu_calculate_timeout, and we rip it out of the former. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
2011-02-21hw/irq.h: Remove unused SetIRQFunc typedefPeter Maydell
Remove the typedef SetIRQFunc, as it is not used by anything. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-21Revert "prep: Disable second IDE channel, as long as ISA IDE emulation ↵Aurelien Jarno
doesn't support same irq for both channels" This reverts commit 491e2a338fdf8310c84f6ebaed1683a871a0700e.
2011-02-21isa-bus: Remove bogus IRQ sharing checkJan Kiszka
Nothing prevented IRQ sharing on the ISA bus in principle. Not all boards supported this, neither each and every card nor driver and OS. Still, there existed valid IRQ sharing scenarios, (at least) two of them can also be found in QEMU: >2 PC UARTs and the PREP IDE buses. So remove this artificial restriction from our ISA model. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-21PS/2 keyboard Scancode Set 3 supportRoy Tam
The following patch adds PS/2 keyboard Scancode Set 3 support. Signed-off-by: Roy Tam <roytam@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-21target-arm: Fix shift by immediate and narrow where src, dest overlapPeter Maydell
For Neon shifts by immediate and narrow, correctly handle the case where the source registers and the destination registers overlap (the second pass should use the original register contents, not the results of the first pass). This includes a refactoring to pull the size check outside the loop rather than inside, since there is now very little common code between the size == 3 and size != 3 case. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-21target-arm: Refactor to pull narrowing decode into separate functionPeter Maydell
Pull the code which decodes narrowing operations as being either signed/unsigned saturate or plain out into its own function. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20w32: Remove implementation of function ffsStefan Weil
This implementation is no longer needed. ffs is either a built-in function (for compilations with optimisation) or taken from libiberty.a (which was added by the previous patch). Cc: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-20w32: Use additional library libiberty.aStefan Weil
libiberty.a is part of MinGW and provides useful functions like ffs (MinGW) and getopt (MinGW-w64). It is needed for w64 compilations and allows simpler code for w32. Cc: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-02-20Fix obvious mistake in pxa2xx i2s driverVasily Khoruzhick
RST bit is (1 << 4) bit, not (1 << 3), fix condition that enables i2s if ENB is set and RST is not set. Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20pxa2xx_keypad: Handle 0xe0xx keycodesVasily Khoruzhick
Add handling of 0xe0xx keycodes to pxa2xx_driver. Extended keycodes in keymap should be marked with most significant bit set (i.e. 0x80). Without this patch it's not possible to handle i.e. cursor keys. Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20pxa2xx_keypad: enhance emulation of KPAS, KPASMKP regsVasily Khoruzhick
Add emulation of KPAS register and proper emulation of KPASMKP regs, so now driver supports multipresses and properly works with Linux driver. Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20qdev: Fix printout of bit device properties with bit index >= 8David 'Digit' Turner
Signed-off-by: David 'Digit' Turner <digit@google.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20check-qdict: Fix possible crashStefan Weil
This warning is reported by cppcheck: check-qdict.c:270: warning: scanf without field width limits can crash with huge input data Fix it by limiting the field widths to 127 (both key and value take 127 characters + a terminating '\0' byte). Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20tests: Fix two memory leaksStefan Weil
Although both leaks are not really important, fix them to avoid cppcheck warnings: tests/linux-test.c:433: error: Memory leak: stack1 tests/linux-test.c:433: error: Memory leak: stack2 Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20qemu-char: Check for missing backend nameStefan Hajnoczi
Check if the backend option is missing before searching the backend table. This fixes a NULL pointer dereference when QEMU is invoked with the following invalid command-line: $ qemu -chardev id=foo,path=/tmp/socket Previously QEMU would segfault, now it produces this error message: chardev: "foo" missing backend Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20s390: Fix memory leakStefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20ppc405: Fix memory leakStefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Acked-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20pci: Fix memory leakStefan Weil
Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20vhost: disable on tap link downMichael S. Tsirkin
qemu makes it possible to disable link at tap which is not communicated to the guest but causes all packets to be dropped. When vhost-net is enabled, vhost needs to be aware of both the virtio link_down and the peer link_down. we switch to userspace emulation when either is down. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reported-by: pradeep <psuriset@linux.vnet.ibm.com> Acked-by: Alex Williamson <alex.williamson@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20net: notify peer about link status changeMichael S. Tsirkin
qemu makes it possible to disable link at tap which is not communicated to the guest but causes all packets to be dropped. This works for virtio userspace, as qemu stops giving it packets, but not for virtio-net connected to vhost-net as that does not get notified about this change. Notify peer when this happens, which will then be used by the follow-up patch to stop/start vhost-net. Note: it might be a good idea to make peer link status match tap in this case, so the guest gets an event and updates the carrier state. For now stay bug for bug compatible with what we used to have in userspace. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reported-by: pradeep <psuriset@linux.vnet.ibm.com> Acked-by: Alex Williamson <alex.williamson@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20w32: Fix arguments for GetProcessAffinityMask, SetProcessAffinityMaskStefan Weil
These functions take arguments of type PDWORD_PTR which is a pointer to a DWORD_PTR, not a pointer to a DWORD. Cc: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20target-arm: Fix unsigned VQRSHL by large shift countsPeter Maydell
Correctly handle VQRSHL of unsigned values by a shift count of the width of the data type or larger, which must be special-cased in the qrshl_u* helper functions. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2011-02-20target-arm: Fix signed VQRSHL by large shift countsPeter Maydell
Handle the case of signed VQRSHL by a shift count of the width of the data type or larger, which must be special cased in the qrshl_s* helper functions. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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