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2009-03-29target-ppc: Explain why the whole TLB is flushed on SR writeaurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6947 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29Fix hxtool eating backslash sequences for sh != bashblueswir1
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6946 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29Fix hxtool eating backslash sequencesblueswir1
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6945 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29fix format string warnings in block-qcow2.c (Christoph Hellwig)aliguori
Recent patches added two compiler warnings about the format string usage in qcow_read_extensions. One is printing a uint64_t using %lu which is incorrect on many platforms as it can be a unsigned long long, the second one is printing the result of sizeof as %lu, but it is a size_t so it needs to be printed using %zu. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6944 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29check for bs->drv in bdrv_flush (Christoph Hellwig)aliguori
All the bdrv_ helpers should check for bs->drv being zero as that means there is no backend image open. bdrv_flush fails to perform that check and can thus cause NULL pointer dereferences. Found using qemu-io. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6943 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29remove dead code in bdrv_check_request (Christoph Hellwig)aliguori
Remove code dealing with negative sector numbers for byte access in bdrv_check_request as sector numbers can't ever be negative. Previously we supported negative sector counts for byte access, but never sector numbers. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6942 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-mips: optimize write to env->hflagsaurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6941 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-mips: optimize gen_muldiv()aurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6940 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29tcg: add _tl aliases for div/divu/rem/remuaurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6939 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-mips: optimize gen_HILO()aurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6938 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-mips: optimize gen_trap()aurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6937 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-mips: optimize gen_compute_branch()aurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6936 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-mips: don't mix result and arguments in gen_op_*aurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6935 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-mips: gen_bshfl()aurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6934 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-mips: optimize gen_mul_vr54xx()aurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6933 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-mips: optimize gen_cl()aurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6932 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-ppc: avoid nop to override next instructionaurel32
While searching PC, always store the pc of a new instruction. Instructions that didn't generate tcg code (such as nop) prevented the next one to be referenced. Based on patch for target-alpha, r6930. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6931 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-alpha: bug fix: avoid nop to override next instructionaurel32
While searching PC, always store the pc of a new instruction. Instructions that didn't generate tcg code (such as nop) prevented the next one to be referenced. Signed-off-by: Tristan Gingold <gingold@adacore.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6930 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-alpha: remove PALCODE_ declarations (unused).aurel32
Signed-off-by: Tristan Gingold <gingold@adacore.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6929 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-alpha: add instruction name in comments for hw_ld opcode.aurel32
Make code slightly easier to read. Also unused hw_ld opcodes now generate an invalid opc fault. Signed-off-by: Tristan Gingold <gingold@adacore.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6928 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29Document which IPR are used by 21264aurel32
Signed-off-by: Tristan Gingold <gingold@adacore.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6927 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-alpha: tb_flush helper should flush the tb (and not the tlb).aurel32
Looks to be a typo fix. Signed-off-by: Tristan Gingold <gingold@adacore.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6926 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-alpha: fix temp free for hw_staurel32
No need to stop translation after hw_st. Signed-off-by: Tristan Gingold <gingold@adacore.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6925 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-alpha: fix bug: integer conditional branch offset is 21 bits wide.aurel32
Signed-off-by: Tristan Gingold <gingold@adacore.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6924 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-alpha: Fix bug: do not mask address LSBs for ldwu.aurel32
Signed-off-by: Tristan Gingold <gingold@adacore.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6923 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-29target-alpha: Fix bug: palcode is at least 6 bits.aurel32
Signed-off-by: Tristan Gingold <gingold@adacore.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6922 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28build system: silence gdbstub-xml.c generationaurel32
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6921 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28tcg/README: fix description of bswap32_i32/i64aurel32
Thanks to Stuart Brady for the notice. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6920 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28target-sh4: r2d --append option supportaurel32
Remove qemu_ram_alloc(SDRAM_BASE) and related changes. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6919 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28hw/eeprom93xx.c: support 93xx EEPROMs with more than 255 wordsaurel32
In the head of eeprom93xx.c we promise to support chips with 256 words, but store the size in an unsigned byte. This patch replaces this with an 16 bit variable and changes the load/store code accordingly (introducing a new version). Signed-off-by: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6918 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28hw/eeprom93xx.c: substitute structure dump with discrete dump in ↵aurel32
eeprom_save/load The EEPROM 93xx device used to dump a C structure to the migration stream. This structure includes mixed 8 and 16bit variables and is thus subject to compiler dependent padding. Replace this with discrete dumps of each member (and add a padding byte to ensure compatibility, a version update is included in the following patch). Signed-off-by: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6917 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28target-sh4: r2d --append option supportaurel32
Add linux kernel command line ("--append" option) support. Fix kernel loading address to appropriate position when --append used. Using --kernel but --append case is left untouched for backward compatibility. This also change the host<->SH address mapping for r2d to host addr == phys_ram_base + SH addr. Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6916 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28target-mips: fix FPU in 64-bit modeaurel32
TCG does not allow the same memory location to be aliased in two different global registers, fpu_fpr32 and fpu_fpr64. Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6915 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28target-mips: implement FPU Flush-To-Zero modeaurel32
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6914 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28gdbstub: Allow re-instantiation (Jan Kiszka)aliguori
[ Note: depends on char closing fixes ] Properly clean up the gdbstub when the user tries to re-open it (possibly under a different address). Moreover, allow to shut it down from the monitor via 'gdbserver none'. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6913 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28char: Fix closing of various char devices (Jan Kiszka)aliguori
This patch fixes several issues around closing char devices. Affected were pty (timer was left behind, even running), udp (no close handling at all) and tcp (missing async IO handler cleanup). The bugs either caused segfaults or stalled the qemu process. So far, hot-unplugging USB serial adapters suffered from this. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6911 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28qemu-img: adding a "-F base_fmt" option to "qemu-img create -b" (Uri Lublin)aliguori
If the user specifies the backing file format, then when opening the backing file, there is no need to probe the (backing file) image to figure out its format. This follows my previous patches implementing bdrv_create2 which keeps (for qcow2 only) the backing file format as a qcow2-extension Suggested by Daniel P. Berrange. Signed-off-by: Uri Lublin <uril@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6910 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28block-qcow2: keep backing file format in a qcow2 extension (Uri Lublin)aliguori
Use a qcow2 extension to keep the backing file format. By keeping the backing file format, we can: 1. Provide a way to know the backing file format without probing it (setting the format at creation time). 2. Enable using qcow2 format over host block devices. (only if the user specifically asks for it, by providing the format at creation time). Also fixes a security flaw found by Daniel P. Berrange on [1] which summarizes: "Autoprobing: just say no." [1] http://lists.gnu.org/archive/html/qemu-devel/2008-12/msg01083.html Signed-off-by: Uri Lublin <uril@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6909 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28block: support known backing format for image create and open (Uri Lublin)aliguori
Added a backing_format field to BlockDriverState. Added bdrv_create2 and drv->bdrv_create2 to create an image with a known backing file format. Upon bdrv_open2 if backing format is known use it, instead of probing the (backing) image. Signed-off-by: Uri Lublin <uril@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6908 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28Introducing qcow2 extensions (Uri Lublin)aliguori
Qcow2 extensions are build of magic (id) len (in bytes) and data. They reside right after the qcow2 header. If a backing filename exists it follows the qcow2 extension (if exist) Qcow2 extensions are read upon image open. Qcow2 extensions are identified by their magic. Unknown qcow2 extensions (unknown magic) are skipped. A Special magic of 0 means end-of-qcow2-extensions. In this patchset, to be used to keep backing file format. Based on a work done by Shahar Frank <sfrank@redhat.com>. Signed-off-by: Uri Lublin <uril@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6907 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28kvm: Drop kvm_patch_opcode_byte (Jan Kiszka)aliguori
As cpu_memory_rw_debug is now capable of modifying ROM, we can drop our own patch function. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6906 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28ROM write access for debugging (Jan Kiszka)aliguori
Enhance cpu_memory_rw_debug so that it can write even to ROM regions. This allows to modify ROM via gdb (I see no point in denying this to the user), and it will enable us to drop kvm_patch_opcode_byte(). Credits go to Avi for suggesting this. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6905 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28Use the DMA api to map virtio elements.aliguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6904 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28virtio-blk: use generic vectored I/O APIs (Christoph Hellwig)aliguori
Use the generic bdrv_aio_readv/bdrv_aio_writev APIs instead of linearizing buffers directly. This enables using the future native preadv/pwritev support. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6903 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28add qemu_iovec_init_external (Christoph Hellwig)aliguori
Allow to initialize a QEMUIOVector from an externally allocated iovec. qiov->nalloc is initialized to -1 to indicate external storage for qiov->iov and all functions dealing with memory management assert on the iovec beeing an internally managed first. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6902 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28Clean some PCI defines (Stefan Weil)aliguori
this patch adds some more defines from linux/pci_regs.h to hw/pci.h. There is now no longer a need to define them in eepro100.c, so they were removed there. Some defines from linux/pci_regs.h had similar, but not the same defines in hw/pci.h (PCI_REVISION_ID / PCI_REVISION, PCI_SUBSYSTEM_VENDOR_ID / PCI_SUBVENDOR_ID, PCI_SUBSYSTEM_ID / PCI_SUBDEVICE_ID). I suggest to use the "standard" from linux/pci_regs.h and replace the "old" Qemu ones. To facilitate the migration, my patch does not remove the old defines but marks them as obsolete. After a migration to the "standard" defines, pci.h could use linux/pci_regs.h which is far more complete. The patch is needed for an updated maintainer version of hw/eepro100.c which I'd like to see in Qemu stable. * Remove declarations already declared in header file from eepro100.c * Add missing declarations from pci_regs.h to pci.h * Mark "non-standard" declarations in pci.h as obsolete Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6901 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28Fix monitor command (screendump) (Stefan Weil)aliguori
starting with r6839, the monitor command 'screendump' raises a nullpointer memory access which crashs Qemu. Fix crash when calling screendump from monitor. This was a regression introduced with r6839: DisplayAllocator interface (Stefano Stabellini) Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6900 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28Remove nodisk_ok machine feature (Jan Kiszka)aliguori
All archs have some kind of firmware to load and can be fine with it already. So there is not much use in enforcing the presence of a disk. If the system setup requires one, the user will notice it anyway once the firmware/bios fails to boot from it. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6899 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28musicpal: Fix regression caused by 6839 (Jan Kiszka)aliguori
Pass correct DisplayState field to is_surface_bgr(). Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6898 c046a42c-6fe2-441c-8c8c-71466251a162
2009-03-28gdbstub: Drop redundant memset after qemu_mallocz (Jan Kiszka)aliguori
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6897 c046a42c-6fe2-441c-8c8c-71466251a162
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