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2010-07-29cris: Correct ADDO and ADDOQ testcases.Edgar E. Iglesias
Verified on real HW. Signed-off-by: Edgar E. Iglesias <edgar@axis.com>
2010-07-29linux-user: Re-use load_elf_image for the main binary.Richard Henderson
This requires moving the PT_INTERP extraction and GUEST_BASE handling into load_elf_image. Key this off a non-null pointer argument to receive the interpreter name. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-07-29linux-user: Extract load_elf_image from load_elf_interp.Richard Henderson
Moving toward a single copy of the elf binary loading code. Fill in the details of the loaded image into a struct image_info. Adjust create_elf_tables to read from such structures instead of from a collection of passed arguments. Don't return error values from load_elf_interp; always exit(-1) with a message to stderr. Collect elf_interpreter handling in load_elf_binary to a common spot. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-07-29linux-user: Remove partial support for a.out interpreters.Richard Henderson
At the bottom of the a.out support was the unimplemented load_aout_interp function. There were other portions of the support that didn't look right; when I went to look in the Linux kernel for clarification, I found that the support for such interpreters has been removed from binfmt_elf. There doesn't seem to be any reason to keep this broken support in qemu. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-07-29linux-user: Put the stack guard page at the top.Richard Henderson
There are no supported stack-grows-up targets. We were putting the guard page at the highest address, i.e. the bottom of the stack. Use the maximum of host and guest page size for the guard size. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-07-29linux-user: Improve consistency checking in elf headers.Richard Henderson
Validate more fields of the elf header. Extract those checks into two common functions to be used in both load_elf_interp and load_elf_binary. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-07-29linux-user: Load symbols from the interpreter.Richard Henderson
First, adjust load_symbols to accept a load_bias parameter. At the same time, read the entire section header table in one go, use pread instead f lseek+read for the symbol and string tables, and properly free allocated structures on error exit paths. Second, adjust load_elf_interp to compute load_bias. This requires finding out the built-in load addresses. Which allows us to honor a pre-linked interpreter image when possible, and eliminate the hard-coded INTERP_MAP_SIZE value. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-07-29linux-user: Clean up byte-swapping in elfload.c.Richard Henderson
Remove ifdefs from code by defining empty inline functions when byte swapping isn't needed. Push loops over swapping arrays of structures into the swapping functions. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-07-29linux-user: Define ELF_DATA generically.Richard Henderson
The only consideration on this value is the target endianness. The existing defines were incorrect for alpha and sh4eb. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-07-29linux-user: Reduce lseek+reads while loading elf files.Richard Henderson
Define BPRM_BUF_SIZE to 1k and read that amount initially. If the data we want from the binary is in this buffer, use it instead of reading from the file again. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-07-29linux-user: Reindent elfload.c.Richard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-07-29Add more DT_* and AT_* constants to qemu's copy of elf.h.Richard Henderson
Moving some PPC AT_* constants from elfload.c at the same time. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-07-29linux-user: Handle filesz < memsz for any PT_LOAD segment.Richard Henderson
I caught padzero not properly initializing the .bss segment on a statically linked Alpha program. Rather than a minimal patch, replace the gross code with a single mmap+memset. Share more code between load_elf_interp and load_elf_binary. Legally, an ELF program need not have just a single .bss; and PT_LOAD segment can have memsz > filesz. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-07-28Update version for 0.13.xAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-27Fix mingw32 buildBlue Swirl
Fix mingw32 build errors like /src/qemu/ui/vnc-enc-tight.c: In function 'tight_detect_smooth_image24': /src/qemu/ui/vnc-enc-tight.c:119: error: 'uint' undeclared (first use in this function) Replace 'uint' with proper 'unsigned int'. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-27Initialize a variable in all casesBlue Swirl
Fix a warning with some GCCs: /src/qemu/ui/vnc-enc-tight.c: In function `send_sub_rect_nojpeg': /src/qemu/ui/vnc-enc-tight.c:1458: warning: `ret' might be used uninitialized in this function Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-27Fix uint8_t comparisons with negative valuesBlue Swirl
Fix the following warnings: /src/qemu/hw/ide/core.c: In function `ide_drive_pio_post_load': /src/qemu/hw/ide/core.c:2767: warning: comparison is always false due to limited range of data type /src/qemu/ui/vnc-enc-tight.c: In function `tight_detect_smooth_image': /src/qemu/ui/vnc-enc-tight.c:284: warning: comparison is always true due to limited range of data type /src/qemu/ui/vnc-enc-tight.c:297: warning: comparison is always true due to limited range of data type /src/qemu/ui/vnc-enc-tight.c: In function `tight_encode_indexed_rect16': /src/qemu/ui/vnc-enc-tight.c:456: warning: comparison is always false due to limited range of data type /src/qemu/ui/vnc-enc-tight.c: In function `tight_encode_indexed_rect32': /src/qemu/ui/vnc-enc-tight.c:457: warning: comparison is always false due to limited range of data type Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-07-27Update version for 0.13.0-rc0v0.13.0-rc0Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: better default values for VNC optionsCorentin Chary
vnc_jpeg and vnc_png are now "auto" by default, this means that if the dependencies are installed (libjpeg or libpng), then they will be enabled. vnc_thread is disabled by default. It should be enabled by default as soon as it's stable enougth. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: tight: split send_sub_rectCorentin Chary
Split send_sub_rect in send_sub_rect_jpeg and send_sub_rect_nojpeg to remove all these #ifdef CONFIG_JPEG. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: tight: fix rgb_prepare_rowCorentin Chary
rgb_prepare_row bpp depends on the server display surface, not the client. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: add missing lock for vnc_cursor_define()Corentin Chary
All vnc_write() calls must be locked (except the ones present before the protocol initialization). Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: threaded VNC serverCorentin Chary
Implement a threaded VNC server using the producer-consumer model. The main thread will push encoding jobs (a list a rectangles to update) in a queue, and the VNC worker thread will consume that queue and send framebuffer updates to the output buffer. The threaded VNC server can be enabled with ./configure --enable-vnc-thread. If you don't want it, just use ./configure --disable-vnc-thread and a syncrhonous queue of job will be used (which as exactly the same behavior as the old queue). If you disable the VNC thread, all thread related code will not be built and there will be no overhead. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26qemu-thread: add qemu_mutex/cond_destroy and qemu_mutex_exitCorentin Chary
Add some missing functions in qemu-thread. Currently qemu-thread is only used for io-thread but it will used by the vnc server soon and we need those functions instead of calling pthread directly. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: fix tight png memory leakCorentin Chary
The tight.png buffer was never released. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: encapsulate encoding membersCorentin Chary
This will allow to implement the threaded VNC server in a more cleaner way. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: tight: stop using qdict for palette stuffCorentin Chary
Profiling with callgrind seems to show that a lot of time is spent in the palette code (mostly due to memory allocation and qdict to int conversion). This patch adds a VncPalette implementation. The palette is stored in a hash table, like qdict, but which does way less memory allocations, and doesn't suffer from the QObject overhead. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: tight: specific zlib level and filters for each compression levelCorentin Chary
Disable png filters for lower compression levels. This should lower the CPU consumption and reduce encoding time. This isn't in tight_conf because: * tight_conf structure must not change, because it's shared with other tight implementations (libvncserver, etc..). * it'd exceed the 80 col limit. * PNG_ macros are only defined if CONFIG_VNC_PNG is defined Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: tight add PNG encodingCorentin Chary
Introduce a new encoding: VNC_ENCODING_TIGHT_PNG [1] (-269) with a new tight filter VNC_TIGHT_PNG (0x0A). When the client tells it supports the Tight PNG encoding, the server will use tight, but will always send encoding pixels using PNG instead of zlib. If the client also told it support JPEG, then the server can send JPEG, because PNG will only be used in the cases zlib was used in normal tight. This encoding was introduced to speed up HTML5 based VNC clients like noVNC [2], but can also be used on devices like iPhone where PNG can be rendered in hardware. [1] http://wiki.qemu.org/VNC_Tight_PNG [2] http://github.com/kanaka/noVNC/ Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: tight: remove a memleak in send_jpeg_rect()Corentin Chary
buf was never freed. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: tight: don't forget do at the last colorCorentin Chary
While using indexed colors, the last color was never added to the palette. Triggered with ubuntu livecd. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: rename vnc-encoding-* vnc-enc-*Corentin Chary
For the same reason that we don't use vnc-authentication-sasl.c but vnc-auth-sals.c. Because it's tooooo long. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26ui: move all ui components in ui/Corentin Chary
Move sdl, vnc, curses and cocoa UI into ui/ to cleanup the root directory. Also remove some unnecessary explicit targets from Makefile. aliguori: fix build when srcdir != objdir Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: add lossy optionCorentin Chary
The lossy option can be used to enable lossy compression methods like gradient or jpeg. This patch disable them by default. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: JPEG should be disabled if the client don't set tight qualityCorentin Chary
Disable JPEG compression by default and only enable it if the VNC client has sent the requested quality. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vnc: tight: add JPEG and gradient subencoding with smooth image detectionCorentin Chary
Add gradient filter and JPEG compression with an heuristic to detect how lossy the comppression will be. This code has been adapted from libvncserver/tight.c. JPEG support can be enabled/disabled at compile time with --enable-vnc-jpeg and --disable-vnc-jpeg. Signed-off-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26Initial documentation for migrationJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26ide: fix migration in the middle of a bmdma transferJuan Quintela
It reintroduces Revert "ide save/restore pio/atapi cmd transfer fields and io buffer" but using subsections. Added bonus is the addition of ide_dummy_transfer_stop to transfer_end_table, that was missing. Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26ide: fix migration in the middle of pio operationJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26vmstate: add subsections codeJuan Quintela
This commit adds subsections for each device section. Subsections is the way to handle information that don't need to be sent to de destination of a migration because its values are not needed. It is the way to handle optional information. Notice that only the source can decide if the information is optional or not. The destination needs to understand all subsections that it receives to have a sucessful load. Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26Revert "ide save/restore current transfer fields"Juan Quintela
This reverts commit 42ee76fe82093ba914f0dc83d2decbcf68866144. Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26Revert "ide save/restore pio/atapi cmd transfer fields and io buffer"Juan Quintela
This reverts commit ed487bb1d69040b9dac64a4fc076d8dd82b131d6. The conflicts are due to commit 4fc8d6711aff7a9c11e402c3d77b481609f9f486 that is a fix to the ide_drive_pre_save() function. It reverts both (and both are reinstantiated later in the series) Conflicts: hw/ide/core.c Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-07-26Merge remote branch 'mst/for_anthony' into stagingAnthony Liguori
2010-07-25etrax: Update ethernet mgm-ctrl reg on writesEdgar E. Iglesias
Some SW drivers dont keep track of what they've written and depend on the HW latching write contents for later read+modify+write sequences. Signed-off-by: Edgar E. Iglesias <edgar@axis.com>
2010-07-25target-i386: use gen_update_cc_op()Jun Koi
This patch simplifies target-i386/translate.c a bit by replacing some code with gen_update_cc_op() Signed-off-by: Jun Koi <junkoi2004@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-07-25Close socket file descriptor when qemu_accept failsShahar Havivi
Signed-off-by: Shahar Havivi <shaharh@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-07-25add cscope.* to .gitignoreJun Koi
we have "make cscope", therefore that makes sense to have cscope.* in .gitignore. Signed-off-by: Jun Koi <junkoi2004@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-07-25slirp: Remove declarations which are no longer neededStefan Weil
The previous patches replaced u_int8_t, u_int16_t, u_int32_t, u_int64_t by standard int types from stdint.h, so we can now remove their declarations which are no longer needed. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-07-25slirp: Replace u_int8_t, u_int16_t, u_int32_t, u_int64_t by standard int typesStefan Weil
There is no need to have a second set of integral types. Replace them by the standard types from stdint.h. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-07-25tests: Replace u_int8_t, u_int16_t, u_int32_t, u_int64_t by standard int typesStefan Weil
There is no need to have a second set of integral types. Replace them by the standard types from stdint.h. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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