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2015-07-02mirror: Do zero write on target if sectors not allocatedFam Zheng1-2/+18
If guest discards a source cluster, mirroring with bdrv_aio_readv is overkill. Some protocols do zero upon discard, where it's best to use bdrv_aio_write_zeroes, otherwise, bdrv_aio_discard will be enough. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02qmp: Add optional bool "unmap" to drive-mirrorFam Zheng6-4/+24
If specified as "true", it allows discarding on target sectors where source is not allocated. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02block: Add bdrv_get_block_status_aboveFam Zheng2-11/+49
Like bdrv_is_allocated_above, this function follows the backing chain until seeing BDRV_BLOCK_ALLOCATED. Base is not included. Reimplement bdrv_is_allocated on top. [Initialized bdrv_co_get_block_status_above() ret to 0 to silence mingw64 compiler warning about the unitialized variable. assert(bs != base) prevents that case but I suppose the program could be compiled with -DNDEBUG. --Stefan] Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02timer: Use a single definition of NSEC_PER_SEC for the whole codebaseAlberto Garcia9-26/+21
Signed-off-by: Alberto Garcia <berto@igalia.com> Message-id: c6e55468856ba0b8f95913c4da111cc0ef266541.1434113783.git.berto@igalia.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02timer: Move NANOSECONDS_PER_SECONDS to timer.hAlberto Garcia2-2/+2
We want to be able to reuse this define by making it common to multiple QEMU modules. This also makes it an integer since there's no need for it to be a float. Signed-off-by: Alberto Garcia <berto@igalia.com> Message-id: 6375912849da2ab561046dd013684535ccecca44.1434113783.git.berto@igalia.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02blockdev: no need to drain+flush in hmp_drive_delPaolo Bonzini1-3/+0
bdrv_close already does that, and in fact hmp_drive_del would need another drain after the flush (which bdrv_close does). So remove the duplication. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1432822629-25401-1-git-send-email-pbonzini@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02qapi: Rename 'dirty-bitmap' mode to 'incremental'John Snow7-22/+22
If we wish to make differential backups a feature that's easy to access, it might be pertinent to rename the "dirty-bitmap" mode to "incremental" to make it clear what /type/ of backup the dirty-bitmap is helping us perform. This is an API breaking change, but 2.4 has not yet gone live, so we have this flexibility. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1433463642-21840-2-git-send-email-jsnow@redhat.com Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02qcow2: Handle EAGAIN returned from update_refcountJindřich Makovička1-10/+12
Fixes a crash during image compression Signed-off-by: Jindřich Makovička <makovick@gmail.com> Tested-by: Richard W.M. Jones <rjones@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-07-02block/iscsi: add support for request timeoutsPeter Lieven3-25/+72
libiscsi starting with 1.15 will properly support timeout of iscsi commands. The default will remain no timeout, but this can be changed via cmdline parameters, e.g.: qemu -iscsi timeout=30 -drive file=iscsi://... If a timeout occurs a reconnect is scheduled and the timed out command will be requeued for processing after a successful reconnect. The required API call iscsi_set_timeout is present since libiscsi 1.10 which was released in October 2013. However, due to some bugs in the libiscsi code the use is not recommended before version 1.15. Please note that this patch bumps the libiscsi requirement to 1.10 to have all function and macros defined. The patch fixes also a off-by-one error in the NOP timeout calculation which was fixed while touching these code parts. Signed-off-by: Peter Lieven <pl@kamp.de> Message-id: 1434455107-19328-1-git-send-email-pl@kamp.de Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-06-29Merge remote-tracking branch 'remotes/vivier/tags/pull-m68k-20150629' into ↵Peter Maydell2-22/+3
staging Trivial m68k cleanup # gpg: Signature made Mon Jun 29 16:38:40 2015 BST using DSA key ID ABF36C53 # gpg: Good signature from "Laurent Vivier <laurent@vivier.eu>" # gpg: aka "Laurent Vivier <Laurent@vivier.eu>" # gpg: aka "Laurent Vivier <Laurent@lvivier.info>" # gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" # gpg: aka "[jpeg image of size 3881]" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 9EC7 B78A C0AC E697 5E4B BDE3 34A4 F6C9 ABF3 6C53 * remotes/vivier/tags/pull-m68k-20150629: m68k: remove useless parameter op_size from gen_lea_indexed() m68k: remove useless file m68k-qreg.h m68k: is_mem is useless Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-29m68k: remove useless parameter op_size from gen_lea_indexed()Laurent Vivier1-4/+3
Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
2015-06-29m68k: remove useless file m68k-qreg.hLaurent Vivier1-11/+0
Unused since: commit e1f3808e03f73e7a7fa966afbed2455dd052202e Author: pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Sat May 24 22:29:16 2008 +0000 Convert m68k target to TCG. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
2015-06-29m68k: is_mem is uselessLaurent Vivier1-7/+0
Remove is_mem as it is never tested anymore since: commit bfa50bc2638d877cf2900712b7503be22e8811cb Author: aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> Date: Tue Nov 18 20:26:41 2008 +0000 Remove premature memop TB terminations (Jan Kiszka) Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Thomas Huth <huth@tuxfamily.org>
2015-06-29Merge remote-tracking branch ↵Peter Maydell1-2/+2
'remotes/bkoppelmann/tags/pull-tricore-20150629' into staging TriCore bugfixes # gpg: Signature made Mon Jun 29 13:08:17 2015 BST using RSA key ID 6B69CA14 # gpg: Good signature from "Bastian Koppelmann <kbastian@mail.uni-paderborn.de>" * remotes/bkoppelmann/tags/pull-tricore-20150629: target-tricore: fix depositing bits from PCXI into ICR Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-29target-tricore: fix depositing bits from PCXI into ICRPaolo Bonzini1-2/+2
Spotted by Coverity, because (env->PCXI & MASK_PCXI_PCPN) >> 24 is always zero. The immediately preceding assignment is also wrong though. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Message-Id: <1435147270-1040-1-git-send-email-pbonzini@redhat.com>
2015-06-26Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell24-370/+263
virtio, pci fixes, enhancements Almost exclusively bugfixes, though in this case, we are adding functionality to the pxb in order to make OVMF work on it. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Fri Jun 26 14:43:27 2015 BST using RSA key ID D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" * remotes/mst/tags/for_upstream: Fix glib_subprocess test hw/pci-bridge: format special OFW unit address for PXB host hw/core: explicit OFW unit address callback for SysBusDeviceClass hw/pci-bridge: disable SHPC in PXB hw/pci-bridge: introduce "shpc" property hw/pci: introduce shpc_present() helper function hw/pci-bridge: add macro for "msi" property hw/pci-bridge: add macro for "chassis_nr" property hw/pci-bridge: expose _test parameter in SHPC_VMSTATE() migration: introduce VMSTATE_BUFFER_UNSAFE_INFO_TEST() add pci-bridge-seat pc: cleanup and convert TMP ACPI device description to AML API MAINTAINERS: add ACPI entry vhost: correctly pass error to caller in vhost_dev_enable_notifiers() balloon: add a feature bit to let Guest OS deflate balloon on oom qdev: fix OVERFLOW_BEFORE_WIDEN virito-pci: fix OVERRUN problem Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-26Merge remote-tracking branch ↵Peter Maydell6-20/+71
'remotes/pmaydell/tags/pull-target-arm-20150626' into staging target-arm queue: * Change the virt board's default interface type for block devices to virtio * Improve some error messages that will now be triggered by some incorrect but previously worked-by-accident command lines * Print ELR if we're doing debug logging of AArch64 exception entry * Handle the "completely empty semihosting commandline" correctly for softmmu (we already did for linux-user) * Add GICv2m description to ACPI tables for virt board * Fix some incorrect table revision entries in virt board ACPI tables # gpg: Signature made Fri Jun 26 14:29:39 2015 BST using RSA key ID 14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" * remotes/pmaydell/tags/pull-target-arm-20150626: hw/arm/virt: Make block devices default to virtio qdev-properties-system: Improve error message for drive assignment conflict qdev-properties-system: Change set_pointer's parse callback to use Error target-arm: A64: Print ELR when taking exceptions target-arm: default empty semihosting cmdline hw/arm/virt-acpi-build: Add GICv2m description in ACPI MADT table hw/arm/virt-acpi-build: Fix table revision and some comments Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-26hw/arm/virt: Make block devices default to virtioPeter Maydell1-0/+2
Now we have virtio-pci, we can make the virt board's default block device type be IF_VIRTIO. This allows users to use simplified command lines that don't have to explicitly create virtio-pci-blk devices; the -hda &c very short options now also work. This means we also need to set no_cdrom to avoid getting a default cdrom device -- this is needed because the virtio-blk device will fail if it is connected to a block backend with no media, which is what the default cdrom device typically is. Providing a cdrom with media via -cdrom will succeed, but silently create a device with non-removable medium. this is probably not really what the user wants, but is the best we can do now. Note that this change means that some command lines which used to work (by accident) will stop working. Where a drive was connected manually to a device but without 'if=none' being specified, we used to treat this as an IDE drive, which we would then not autoplug because the board doesn't support IDE. Now we will treat it as a virtio disk and autoplug it, which means the attempt to use the drive manually will fail: qemu-system-arm: -drive file=img.qcow2,id=foo: Drive 'foo' is already in use because it has been automatically connected to another device (did you need 'if=none' in the drive options?) The command line will have to be changed to include 'if=none', as the error message suggests. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1435068107-12594-4-git-send-email-peter.maydell@linaro.org
2015-06-26qdev-properties-system: Improve error message for drive assignment conflictPeter Maydell1-2/+11
If the user forgot if=none on their drive specification they're likely to get an error message because the drive is assigned once automatically by QEMU and once by the manual id=/drive= user command line specification. Improve the error message produced in this case to explicitly guide the user towards if=none. We rephrase the "drive conflict but not for an if=something" error as well to keep the wording in line. The two cases that change are: (1) Drive specified as to be auto-connected and also manually connected (and the board does handle this if= type): qemu-system-x86_64 -nodefaults -display none \ -drive if=scsi,file=tmp.qcow2,id=foo -device ide-hd,drive=foo Previously: qemu-system-x86_64: -device ide-hd,drive=foo: Property 'ide-hd.drive' can't take value 'foo', it's in use Now: qemu-system-x86_64: -device ide-hd,drive=foo: Drive 'foo' is already in use because it has been automatically connected to another device (did you need 'if=none' in the drive options?) (2) Drive specified to be manually connected in two different ways: qemu-system-x86_64 -nodefaults -display none \ -drive if=none,file=tmp.qcow2,id=foo -device ide-hd,drive=foo \ -device ide-hd,drive=foo Previously: qemu-system-x86_64: -device ide-hd,drive=foo: Property 'ide-hd.drive' can't take value 'foo', it's in use Now: qemu-system-x86_64: -device ide-hd,drive=foo: Drive 'foo' is already in use by another device Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1435068107-12594-3-git-send-email-peter.maydell@linaro.org
2015-06-26qdev-properties-system: Change set_pointer's parse callback to use ErrorPeter Maydell1-13/+20
Instead of having set_pointer() call a parse callback which returns an error number that we then convert to an Error string with error_set_from_qdev_prop_error(), make the parse callback take an Error** and set the error itself. This will allow parse routines to provide more helpful error messages than the generic ones. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1435068107-12594-2-git-send-email-peter.maydell@linaro.org
2015-06-26target-arm: A64: Print ELR when taking exceptionsSoren Brinkmann1-0/+2
When taking an exception print the content of the exception link register. This is useful especially for synchronous exceptions because in that case this registers holds the address of the instruction that generated the exception. Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> Message-id: 1435036655-16132-1-git-send-email-soren.brinkmann@xilinx.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-26target-arm: default empty semihosting cmdlineLiviu Ionescu1-2/+9
If neither explicit semihosting args nor -kernel are used, make SYS_GET_CMDLINE return an empty string. Signed-off-by: Liviu Ionescu <ilg@livius.net> Message-id: AC7B5AFC-06AE-4FAD-9852-B65708E80E09@livius.net Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-26hw/arm/virt-acpi-build: Add GICv2m description in ACPI MADT tableShannon Zhao2-0/+23
Add GICv2m description in ACPI MADT table, so guest can use MSI when booting with ACPI. Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Reviewed-by: Andrew Jones <drjones@redhat.com> Tested-by: Andrew Jones <drjones@redhat.com> Message-id: 1434676210-2276-1-git-send-email-shannon.zhao@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-26hw/arm/virt-acpi-build: Fix table revision and some commentsShannon Zhao1-5/+6
The table revision is not the ACPI spec version. Fix the wrong revision and also some comments. Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-id: 1433820378-8336-1-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-26Merge remote-tracking branch 'remotes/lalrae/tags/mips-20150626' into stagingPeter Maydell8-507/+1675
MIPS patches 2015-06-26 Changes: * MIPS UHI semihosting support * microMIPS32 R6 support # gpg: Signature made Fri Jun 26 10:42:33 2015 BST using RSA key ID 0B29DA6B # gpg: Good signature from "Leon Alrae <leon.alrae@imgtec.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 8DD3 2F98 5495 9D66 35D4 4FC0 5211 8E3C 0B29 DA6B * remotes/lalrae/tags/mips-20150626: target-mips: add mips32r6-generic CPU definition target-mips: microMIPS32 R6 POOL16{A, C} instructions target-mips: microMIPS32 R6 Major instructions target-mips: microMIPS32 R6 POOL32{I, C} instructions target-mips: microMIPS32 R6 POOL32F instructions target-mips: microMIPS32 R6 POOL32A{XF} instructions target-mips: microMIPS32 R6 branches and jumps target-mips: add microMIPS32 R6 opcode enum target-mips: signal RI for removed instructions in microMIPS R6 target-mips: raise RI exceptions when FIR.PS = 0 target-mips: rearrange gen_compute_compact_branch target-mips: refactor {D}LSA, {D}ALIGN, {D}BITSWAP target-mips: remove an unused argument target-mips: add microMIPS TLBINV, TLBINVF target-mips: fix {RD, WR}PGPR in microMIPS target-mips: convert host to MIPS errno values when required target-mips: add Unified Hosting Interface (UHI) support target-mips: remove identical code in different branch hw/mips: Do not clear BEV for MIPS malta kernel load include/softmmu-semi.h: Make semihosting support 64-bit clean Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-26target-mips: add mips32r6-generic CPU definitionYongbok Kim1-0/+37
Define a new CPU definition supporting MIPS32 Release 6 ISA and microMIPS32 Release 6 ISA. Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: microMIPS32 R6 POOL16{A, C} instructionsYongbok Kim1-15/+118
microMIPS32 Release 6 POOL16A/ POOL16C instructions Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: microMIPS32 R6 Major instructionsYongbok Kim1-17/+45
Add new microMIPS32 Release 6 Major opcode instructions Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: microMIPS32 R6 POOL32{I, C} instructionsYongbok Kim1-6/+21
Add new microMIPS32 Release 6 POOL32I/POOL32C type instructions Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: microMIPS32 R6 POOL32F instructionsYongbok Kim1-32/+199
Add new microMIPS32 Release 6 POOL32F instructions Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: microMIPS32 R6 POOL32A{XF} instructionsYongbok Kim1-10/+72
Add new microMIPS32 Release 6 pool32a/pool32axf instructions. Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: microMIPS32 R6 branches and jumpsYongbok Kim1-40/+202
Add new microMIPS32 Release 6 branch and jump instructions. Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: add microMIPS32 R6 opcode enumYongbok Kim1-16/+103
Add microMIPS32 Release 6 opcode enum. Remove RI checking for pre-R6 reserved opcode. Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: signal RI for removed instructions in microMIPS R6Yongbok Kim1-0/+68
Signal a Reserved Instruction exception for removed instruction encoding in microMIPS Release 6. Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: raise RI exceptions when FIR.PS = 0Yongbok Kim1-33/+45
64-bit paired-single (PS) floating point data type is optional in the pre-Release 6. It has to raise RI exception when PS type is not implemented. (FIR.PS = 0) (The PS data type is removed in the Release 6.) Loongson-2E and Loongson-2F don't have any implementation field in FCSR0(FIR) but do support PS data format, therefore for these cores RI will not be signalled regardless of PS bit. Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: rearrange gen_compute_compact_branchYongbok Kim1-236/+236
The function will be also used for microMIPS Release 6. Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: refactor {D}LSA, {D}ALIGN, {D}BITSWAPYongbok Kim1-67/+99
Refactor those instructions in order to reuse them for microMIPS32 Release 6. Rearrange gen_move_low32(). Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: remove an unused argumentYongbok Kim1-3/+2
Remove an unused argument from decode_micromips32_opc() Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: add microMIPS TLBINV, TLBINVFYongbok Kim1-0/+8
Add microMIPS TLBINV, TLBINVF Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: fix {RD, WR}PGPR in microMIPSYongbok Kim1-2/+2
rt, rs were swapped Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Leon Alrae <leon.alrae@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26target-mips: convert host to MIPS errno values when requiredLeon Alrae1-11/+33
Convert only errno values which can be returned by system calls in mips-semi.c and are not generic to all archs. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
2015-06-26target-mips: add Unified Hosting Interface (UHI) supportLeon Alrae6-26/+408
Add UHI semihosting support for MIPS. QEMU run with "-semihosting" option will alter the behaviour of SDBBP 1 instruction -- UHI operation will be called instead of generating a debug exception. Also tweak Malta's pseudo-bootloader. On CPU reset the $4 register is set to -1 if semihosting arguments are passed to indicate that the UHI operations should be used to obtain input arguments. Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
2015-06-26target-mips: remove identical code in different branchLeon Alrae1-21/+4
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
2015-06-26hw/mips: Do not clear BEV for MIPS malta kernel loadMatthew Fortune1-1/+1
The BEV flag controls whether the boot exception vector is still in place when starting a kernel. When cleared the exception vector at EBASE (or hard coded address of 0x80000000) is used instead. The early stages of the linux kernel would benefit from BEV still being set to ensure any faults get handled by the boot rom exception handlers. This is a moot point for system qemu as there aren't really any BEV handlers, but there are other good reasons to change this... The UHI (semi-hosting interface) defines special behaviours depending on whether an application starts in an environment with BEV set or cleared. When BEV is set then UHI assumes that a bootloader is relatively dumb and has no advanced exception handling logic. However, when BEV is cleared then UHI assumes that the bootloader has the ability to handle UHI exceptions with its exception handlers and will unwind and forward UHI SYSCALL exceptions to the exception vector that was installed prior to running the application. Signed-off-by: Matthew Fortune <matthew.fortune@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-06-26include/softmmu-semi.h: Make semihosting support 64-bit cleanMaciej W. Rozycki1-6/+7
Correct addresses passed around in semihosting to use a data type suitable for both 32-bit and 64-bit targets. Signed-off-by: Maciej W. Rozycki <macro@codesourcery.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
2015-06-25Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into ↵Peter Maydell1-52/+35
staging # gpg: Signature made Wed Jun 24 16:37:23 2015 BST using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" * remotes/stefanha/tags/net-pull-request: net: simplify net_client_init1() net: drop if expression that is always true net: raise an error if -net type is invalid net: replace net_client_init1() netdev whitelist with blacklist net: add missing "netmap" to host_net_devices[] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-25Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into ↵Peter Maydell17-86/+210
staging # gpg: Signature made Wed Jun 24 16:27:53 2015 BST using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" * remotes/stefanha/tags/block-pull-request: virito-blk: drop duplicate check qemu-iotests: fix 051.out after qdev error message change iov: don't touch iov in iov_send_recv() raw-posix: Introduce hdev_is_sg() raw-posix: Use DPRINTF for DEBUG_FLOPPY raw-posix: DPRINTF instead of DEBUG_BLOCK_PRINT Fix migration in case of scsi-generic block: Use bdrv_is_sg() everywhere nvme: Fix memleak in nvme_dma_read_prp vvfat: add a label option util/hbitmap: Add an API to reset all set bits in hbitmap virtio-blk: Use blk_drain() to drain IO requests block-backend: Introduce blk_drain() throttle: Check current timers before updating any_timer_armed[] block: Let bdrv_drain_all() to call aio_poll() for each AioContext Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-24net: simplify net_client_init1()Stefan Hajnoczi1-22/+16
Drop the union and move the hubport creation into the !is_netdev case. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-id: 1432743412-15943-6-git-send-email-stefanha@redhat.com
2015-06-24net: drop if expression that is always trueStefan Hajnoczi1-17/+14
Both is_netdev and !is_netdev paths already check that net_client_init_func[opts->kind] is non-NULL so there is no need for the if statement. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-id: 1432743412-15943-5-git-send-email-stefanha@redhat.com
2015-06-24net: raise an error if -net type is invalidStefan Hajnoczi1-0/+11
When a -net type is used that was not compiled into the binary there should be an error message. Note the special case for -net none, which is a no-op. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-id: 1432743412-15943-4-git-send-email-stefanha@redhat.com
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