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2014-02-03Update seabios submodule to 1.7.4Gerd Hoffmann1-0/+0
Not that many changes as we already have a git snapshot pretty close to final 1.7.4 in the tree. Most notably change is the vgabios change which fixes the windows guest regression. Full git shortlog: Gerd Hoffmann (2): run qemu_cfg_e820 only for CONFIG_QEMU=y change boot order load log level Kevin O'Connor (10): Minor - move sgdt/lgdt macros from stacks.c to x86.h. Separate out sec32init sections even when not doing code relocation. floppy: Fix incorrect LBA to CHS translation. floppy: Fix accesses to DOR register. vgabios: Avoid memory references via %esp register in vgabios. Small improvements to irqentry_extrastack assembler. floppy: Encode command and flags into single value in floppy pio code. On disk format request, verify cylinders and pass to driver. floppy: Implement cylinder seeking when accessing a different cylinder. coreboot: Make sure to print the SeaBIOS version in cbmem debug output. Kyösti Mälkki (1): Fix CBMEM console overflow
2014-02-03roms: remove explicit MAKEFLAGS from recursive make invocationsBruce Rogers1-11/+11
When using $(MAKE) within a makefile, we shouldn't be explicitly including $(MAKEFLAGS) on the command-line. It causes problems when that makefile is recursively invoked. When the roms/Makefile is invoked as in make -C roms bios a spurious 'w' appears on the sub-make invocation, due to the erroneous $(MAKEFLAGS) inclusion. Signed-off-by: Bruce Rogers <brogers@suse.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-02-01Merge remote-tracking branch 'qmp-unstable/queue/qmp' into stagingPeter Maydell9-26/+160
* qmp-unstable/queue/qmp: monitor: Cleanup mon->outbuf on write error virtio_rng: replace custom backend API with UserCreatable.complete() callback add optional 2nd stage initialization to -object/object-add commands vl.c: -object: don't ignore duplicate 'id' object_add: consolidate error handling Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-01Merge remote-tracking branch 'pmaydell/tags/pull-target-arm-20140131' into ↵Peter Maydell16-70/+3087
staging target-arm queue: * implementation of first part of the A64 Neon instruction set * v8 AArch32 rounding and 16<->64 fp conversion instructions * fix MIDR value on Zynq boards * some minor bugfixes/code cleanups # gpg: Signature made Fri 31 Jan 2014 15:06:34 GMT using RSA key ID 14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" * pmaydell/tags/pull-target-arm-20140131: (34 commits) arm_gic: Fix GICD_ICPENDR and GICD_ISPENDR writes arm_gic: Introduce define for GIC_NR_SGIS target-arm: A64: Add SIMD shift by immediate target-arm: A64: Add simple SIMD 3-same floating point ops target-arm: A64: Add integer ops from SIMD 3-same group target-arm: A64: Add logic ops from SIMD 3 same group target-arm: A64: Add top level decode for SIMD 3-same group target-arm: A64: Add SIMD scalar 3 same add, sub and compare ops target-arm: A64: Add SIMD three-different ABDL instructions target-arm: A64: Add SIMD three-different multiply accumulate insns target-arm: Add AArch32 SIMD VCVTA, VCVTN, VCVTP and VCVTM target-arm: Add AArch32 FP VCVTA, VCVTN, VCVTP and VCVTM target-arm: Add AArch32 SIMD VRINTA, VRINTN, VRINTP, VRINTM, VRINTZ target-arm: Add set_neon_rmode helper target-arm: Add support for AArch32 SIMD VRINTX target-arm: Add support for AArch32 FP VRINTX target-arm: Add support for AArch32 FP VRINTZ target-arm: Add support for AArch32 FP VRINTR target-arm: Add AArch32 FP VRINTA, VRINTN, VRINTP and VRINTM target-arm: Move arm_rmode_to_sf to a shared location. ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-01Merge remote-tracking branch ↵Peter Maydell4-17/+77
'remotes/awilliam/tags/vfio-pci-for-qemu-20140128.0' into staging vfio-pci updates include: - Destroy MemoryRegions on device teardown - Print warnings around PCI option ROM failures - Skip bogus mappings from 64bit BAR sizing - Act on DMA mapping failures - Fix alignment to avoid MSI-X table mapping - Fix debug macro typo # gpg: Signature made Tue 28 Jan 2014 15:27:47 GMT using RSA key ID 3BB08B22 # gpg: Can't check signature: public key not found * remotes/awilliam/tags/vfio-pci-for-qemu-20140128.0: vfio: correct debug macro typo vfio: fix mapping of MSIX bar kvm: initialize qemu_host_page_size vfio-pci: Fail initfn on DMA mapping errors vfio: Filter out bogus mappings vfio: Do not reattempt a failed rom read vfio: warn if host device rom can't be read vfio: Destroy memory regions Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-01Merge remote-tracking branch 'remotes/sstabellini/xen-140130' into stagingPeter Maydell1-2/+4
* remotes/sstabellini/xen-140130: address_space_translate: do not cross page boundaries Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31arm_gic: Fix GICD_ICPENDR and GICD_ISPENDR writesChristoffer Dall1-1/+5
Fix two bugs that would allow changing the state of SGIs through the ICPENDR and ISPENDRs. Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31arm_gic: Introduce define for GIC_NR_SGISChristoffer Dall2-6/+12
Instead of hardcoding 16 various places in the code, use a define to make it more clear what is going on. Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31target-arm: A64: Add SIMD shift by immediateAlex Bennée1-2/+373
This implements a subset of the AdvSIMD shift operations (namely all the none saturating or narrowing ones). The actual shift generation code itself is common for both the scalar and vector cases but wrapped with either vector element iteration or the fp reg access. The rounding operations need to take special care to correctly reflect the result of adding rounding bits on high bits as the intermediates do not truncate. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31target-arm: A64: Add simple SIMD 3-same floating point opsPeter Maydell1-2/+188
Implement a simple subset of the SIMD 3-same floating point operations. This includes a common helper function used for both scalar and vector ops; FABD is the only currently implemented shared op. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add integer ops from SIMD 3-same groupPeter Maydell1-1/+164
Add some of the integer operations in the SIMD 3-same group: specifically, the comparisons, addition and subtraction. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add logic ops from SIMD 3 same groupPeter Maydell1-1/+72
Add support for the logical operations (ORR, AND, BIC, ORN, EOR, BSL, BIT and BIF) from the SIMD 3 register same group (C3.6.16). Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add top level decode for SIMD 3-same groupPeter Maydell1-1/+44
Add top level decode for the A64 SIMD three regs same group (C3.6.16), splitting it into the pairwise, logical, float and integer subgroups. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add SIMD scalar 3 same add, sub and compare opsPeter Maydell1-1/+130
Implement the add, sub and compare ops from the SIMD "scalar three same" group. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add SIMD three-different ABDL instructionsPeter Maydell1-2/+33
Implement the absolute-difference instructions in the SIMD three-different group: SABAL, SABAL2, UABAL, UABAL2, SABDL, SABDL2, UABDL, UABDL2. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add SIMD three-different multiply accumulate insnsPeter Maydell1-1/+232
Add support for the multiply-accumulate instructions from the SIMD three-different instructions group (C3.6.15): * skeleton decode of unallocated encodings and split of the group into its three sub-parts * framework for handling the 64x64->128 widening subpart * implementation of the multiply-accumulate instructions SMLAL, SMLAL2, UMLAL, UMLAL2, SMLSL, SMLSL2, UMLSL, UMLSL2, UMULL, UMULL2, SMULL, SMULL2 Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: Add AArch32 SIMD VCVTA, VCVTN, VCVTP and VCVTMWill Newton1-1/+52
Add support for the AArch32 Advanced SIMD VCVTA, VCVTN, VCVTP and VCVTM instructions. Signed-off-by: Will Newton <will.newton@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31target-arm: Add AArch32 FP VCVTA, VCVTN, VCVTP and VCVTMWill Newton1-0/+61
Add support for the AArch32 floating-point VCVTA, VCVTN, VCVTP and VCVTM instructions. Signed-off-by: Will Newton <will.newton@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31target-arm: Add AArch32 SIMD VRINTA, VRINTN, VRINTP, VRINTM, VRINTZWill Newton1-1/+39
Add support for the AArch32 Advanced SIMD VRINTA, VRINTN, VRINTP VRINTM and VRINTZ instructions. Signed-off-by: Will Newton <will.newton@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31target-arm: Add set_neon_rmode helperWill Newton2-0/+18
This helper sets the rounding mode in the standard_fp_status word to allow NEON instructions to modify the rounding mode whilst using the standard FPSCR values for everything else. Signed-off-by: Will Newton <will.newton@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31target-arm: Add support for AArch32 SIMD VRINTXWill Newton1-1/+10
Add support for the AArch32 Advanced SIMD VRINTX instruction. Signed-off-by: Will Newton <will.newton@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31target-arm: Add support for AArch32 FP VRINTXWill Newton1-0/+11
Add support for the AArch32 floating-point VRINTX instruction. Signed-off-by: Will Newton <will.newton@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31target-arm: Add support for AArch32 FP VRINTZWill Newton1-0/+16
Add support for the AArch32 floating-point VRINTZ instruction. Signed-off-by: Will Newton <will.newton@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31target-arm: Add support for AArch32 FP VRINTRWill Newton1-0/+11
Add support for the AArch32 floating-point VRINTR instruction. Signed-off-by: Will Newton <will.newton@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31target-arm: Add AArch32 FP VRINTA, VRINTN, VRINTP and VRINTMWill Newton1-0/+54
Add support for AArch32 ARMv8 FP VRINTA, VRINTN, VRINTP and VRINTM instructions. Signed-off-by: Will Newton <will.newton@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31target-arm: Move arm_rmode_to_sf to a shared location.Will Newton3-28/+30
This function will be needed for AArch32 ARMv8 support, so move it to helper.c where it can be used by both targets. Also moves the code out of line, but as it is quite a large function I don't believe this should be a significant performance impact. Signed-off-by: Will Newton <will.newton@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31display: avoid multi-statement macroPaolo Bonzini4-29/+59
For blizzard, pl110 and tc6393xb this is harmless, but for pxa2xx Coverity noticed that it is used inside an "if" statement. Fix it because it's the file with the highest number of defects in the whole QEMU tree! Use "do...while (0)", or just remove the semicolon if there's a single statement in the macro. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31ZYNQ: Implement board MIDR control for ZynqAlistair Francis1-0/+7
This patch uses the fact that the midr variable is now a property This patch sets the midr variable to the boards custom midr Signed-off-by: Alistair Francis <alistair.francis@xilinx.com> Message-id: a3754b10d150af72e4688a993e484fa2b9b8fa21.1390176489.git.alistair.francis@xilinx.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31ARM: Convert MIDR to a propertyAlistair Francis1-0/+1
Convert the MIDR register to a property. This allows boards to later set a custom MIDR value. This has been done in such a way to maintain compatibility with all existing CPUs and boards Signed-off-by: Alistair Francis <alistair.francis@xilinx.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 878613f2f12d4162f12629522fd99de8df904856.1390176489.git.alistair.francis@xilinx.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31hw/arm/boot: Don't set up ATAGS for autogenerated dtb bootingPeter Maydell1-2/+7
The code which decides whether to set up the ATAGS data structure on reset was using the wrong conditional, which meant we were creating an ATAGS structure when doing a device-tree boot if the dtb was autogenerated by the board. This is harmless, but unnecessary, so bring it in to line with user-provided-dtb boots. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 1388326833-656-1-git-send-email-peter.maydell@linaro.org
2014-01-31target-arm: A64: Add SIMD scalar copy instructionsPeter Maydell1-1/+42
Add support for the SIMD scalar copy instruction group (C3.6.7), which consists of the single instruction DUP (element, scalar). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add SIMD modified immediate groupAlex Bennée1-1/+119
This patch adds support for the AdvSIMD modified immediate group (C3.6.6) with all its suboperations (movi, orr, fmov, mvni, bic). Signed-off-by: Alexander Graf <agraf@suse.de> [AJB: new decode struct, minor bug fixes, optimisation] Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add SIMD copy operationsAlex Bennée1-1/+209
This adds support for the all the AdvSIMD vector copy operations (ARM ARM 3.6.5). Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add SIMD across-lanes instructionsMichael Matz1-1/+176
Add support for the SIMD "across lanes" instruction group (C3.6.4). Signed-off-by: Michael Matz <matz@suse.de> [PMM: Updated to current codebase, added fp min/max ops, added unallocated encoding checks] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add SIMD ZIP/UZP/TRNMichael Matz1-1/+75
Add support for the SIMD ZIP/UZIP/TRN instruction group (C3.6.3). Signed-off-by: Michael Matz <matz@suse.de> [PMM: use new do_vec_get/set etc functions and generally update to new codebase standards; refactor to pull per-element loop outside switch] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add SIMD TBL/TBLXMichael Matz3-1/+86
Add support for the SIMD TBL/TBLX instructions (group C3.6.2). Signed-off-by: Michael Matz <matz@suse.de> [PMM: rewritten to do more of the decode in translate-a64.c, and to do only one 64 bit pass at a time in the helper] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add SIMD EXTPeter Maydell1-1/+78
Add support for the SIMD EXT instruction (the only one in its group, C3.6.1). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add decode skeleton for SIMD data processing insnsAlex Bennée1-1/+305
Add decode skeleton and function placeholders for all the SIMD data processing instructions. Due to the complexity of this part of the table the normal extract and switch approach gets very messy very quickly, so we use a simple data-driven pattern-and-mask approach. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add SIMD ld/st singlePeter Maydell1-2/+142
Implement the SIMD ld/st single structure instructions. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31target-arm: A64: Add SIMD ld/st multipleAlex Bennée1-2/+248
This adds support support for the SIMD load/store multiple category of instructions. This also brings in a couple of helper functions for manipulating sections of the SIMD registers: * do_vec_get - fetch value from a slice of a vector register * do_vec_set - set a slice of a vector register which use vec_reg_offset for consistent processing of offsets in an endian aware manner. There are also additional helpers: * do_vec_ld - load value into SIMD * do_vec_st - store value from SIMD which load or store a slice of a vector register to memory. These don't zero extend like the fp variants. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-01-31Merge remote-tracking branch 'stefanha/tags/tracing-pull-request' into stagingPeter Maydell3-13/+29
Tracing pull request # gpg: Signature made Mon 27 Jan 2014 14:51:09 GMT using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.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: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * stefanha/tags/tracing-pull-request: trace: fix simple trace "disable" keyword trace: add glib 2.32+ static GMutex support trace: [simple] Do not include "trace/simple.h" in generated tracer headers tracing: start trace processing thread in final child process Message-id: 1390834386-23139-1-git-send-email-stefanha@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31Merge remote-tracking branch 'mst/tags/for_anthony' into stagingPeter Maydell49-338/+1963
acpi,pci,pc,virtio fixes and enhancements This includes new unit-tests for acpi by Marcel, hotplug for pci bridges by myself (piix only so far) and cpu hotplug for q35. And a bunch of fixes all over the place as usual. I included the patch to fix memory alignment for q35 as well - even though it limits 32 bit guests to 3G (they previously could address more memory with PAE). To remove the limit, this will have to be fixed in seabios. I also added self as virtio co-maintainer so I don't need to troll the list for patches to review. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Sun 26 Jan 2014 11:12:09 GMT using RSA key ID D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.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: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * mst/tags/for_anthony: (35 commits) MAINTAINERS: add self as virtio co-maintainer q35: document gigabyte_align q35: gigabyte alignment for ram acpi: Fix PCI hole handling on build_srat() pc: Save size of RAM below 4GB hw/pci: fix error flow in pci multifunction init acpi-test: update expected AML since recent changes pc: ACPI: update acpi-dsdt.hex.generated q35-acpi-dsdt.hex.generated pc: ACPI: unify source of CPU hotplug IO base/len pc: ACPI: expose PRST IO range via _CRS pc: Q35 DSDT: exclude CPU hotplug IO range from PCI bus resources pc: PIIX DSDT: exclude CPU/PCI hotplug & GPE0 IO range from PCI bus resources pc: set PRST base in DSDT depending on chipset acpi: ich9: add CPU hotplug handling to Q35 machine acpi: factor out common cpu hotplug code for PIIX4/Q35 acpi-build: enable hotplug for PCI bridges piix4: add acpi pci hotplug support pcihp: generalization of piix4 acpi pci: add pci_for_each_bus_depth_first pc: make: fix dependencies: rebuild when included file is changed ... Message-id: 1390735289-15563-1-git-send-email-mst@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31Merge remote-tracking branch 'sstabellini/xen-170114' into stagingPeter Maydell2-5/+10
* sstabellini/xen-170114: xen_pt: Fix passthrough of device with ROM. xen_pt: Fix debug output. xenfb: map framebuffer read-only and handle unmap errors Message-id: alpine.DEB.2.02.1401171537140.21510@kaball.uk.xensource.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-30Merge remote-tracking branch 'stefanha/tags/net-pull-request' into stagingPeter Maydell3-13/+12
Net patches # gpg: Signature made Mon 27 Jan 2014 14:45:35 GMT using RSA key ID 81AB73C8 # gpg: Can't check signature: public key not found * stefanha/tags/net-pull-request: tap-linux: Get features once and use it many times Fix lan9118 buffer length handling Fix lan9118 TX "CMD A" handling net: Use g_strdup_printf instead of snprintf. Message-id: 1390834129-19625-1-git-send-email-stefanha@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-30Merge remote-tracking branch 'rth/tcg-movbe' into stagingPeter Maydell2-52/+101
* rth/tcg-movbe: tcg/i386: cleanup useless #ifdef tcg/i386: use movbe instruction in qemu_ldst routines tcg/i386: add support for three-byte opcodes tcg/i386: remove hardcoded P_REXW value disas/i386.c: disassemble movbe instruction Message-id: 1390692772-15282-1-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-30address_space_translate: do not cross page boundariesStefano Stabellini1-2/+4
The following commit: commit 149f54b53b7666a3facd45e86eece60ce7d3b114 Author: Paolo Bonzini <pbonzini@redhat.com> Date: Fri May 24 12:59:37 2013 +0200 memory: add address_space_translate breaks Xen support in QEMU, in particular the Xen mapcache. The effect is that one Windows XP installation out of ten would end up with BSOD. The reason is that after this commit l in address_space_rw can span a page boundary, however qemu_get_ram_ptr still calls xen_map_cache asking to map a single page (if block->offset == 0). Fix the issue by reverting to the previous behaviour: do not return a length from address_space_translate_internal that can span a page boundary. Also in address_space_translate do not ignore the length returned by address_space_translate_internal. This patch should be backported to QEMU 1.6.x. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Anthony Perard <anthony.perard@citrix.com> Tested-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Cc: qemu-stable@nongnu.org
2014-01-30Merge remote-tracking branch 'mjt/tags/trivial-patches-2014-01-16' into stagingPeter Maydell12-12/+16
trivial-patches for 2014-01-16 # gpg: Signature made Thu 16 Jan 2014 17:29:05 GMT using RSA key ID 74F0C838 # gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>" # gpg: aka "Michael Tokarev <mjt@corpit.ru>" # gpg: aka "Michael Tokarev <mjt@debian.org>" # 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: 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5 # Subkey fingerprint: E190 8639 3B10 B51B AC2C 8B73 5253 C5AD 74F0 C838 Message-id: 1389893719-16336-1-git-send-email-mjt@msgid.tls.msk.ru Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-30TCG: Fix I64-on-32bit-host temporariesAlexander Graf1-1/+1
We have cache pools of temporaries that we can reuse later when they've already been allocated before. These cache pools differenciate between the target TCG variable type they contain. So we have one pool for I32 and one pool for I64 variables. On a 32bit system, we can't work with 64bit registers though. So instead we spawn two I32 temporaries for every I64 temporary we create. All caching works the same way as on a real 64-bit system though: We create a cache entry in the 64bit array for the first i32 index. However, when we free such a temporary we free it to the pool of its type (which is always i32 on 32bit systems) rather than its base_type (which is i64 or i32 depending on the variable). This means we put a temporary that is of base_type == i64 into the i32 preallocated temporary pool. Eventually, this results in failures like this on 32bit hosts: qemu-system-ppc64: tcg/tcg.c:515: tcg_temp_new_internal: Assertion `ts->base_type == type' failed. This patch makes the free routine use the base_type instead for the free case, so it's consistent with the temporary allocation. It fixes the above failure for me. Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Richard Henderson <rth@twiddle.net> Message-id: 1390146811-59936-1-git-send-email-agraf@suse.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-28monitor: Cleanup mon->outbuf on write errorStratos Psomadakis1-2/+2
In case monitor_flush() fails to write the contents of mon->outbuf to the output device, mon->outbuf is not cleaned up properly. Check the return code of the qemu_chr_fe_write() function and cleanup the outbuf if it fails. References: http://lists.nongnu.org/archive/html/qemu-devel/2014-01/msg02890.html Signed-off-by: Stratos Psomadakis <psomas@grnet.gr> Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-01-28virtio_rng: replace custom backend API with UserCreatable.complete() callbackIgor Mammedov3-19/+19
in addition fix default backend leak by releasing it if its initialization failed. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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