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2014-06-09trace: Replace error with warning if event is not definedAlexey Kardashevskiy1-7/+7
At the moment QEMU exits if trace point is not defined which makes a developer life harder if he has to switch between branches with different traces implemented. This replaces error+exit wit WARNING if the tracepoint does not exist or not traceable. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-09simpletrace: add support for trace record pid fieldStefan Hajnoczi1-11/+15
Extract the pid field from the trace record and print it. Change the trace record tuple from: (event_num, timestamp, arg1, ..., arg6) to: (event_num, timestamp, pid, arg1, ..., arg6) Trace event methods now support 3 prototypes: 1. <event-name>(arg1, arg2, arg3) 2. <event-name>(timestamp, arg1, arg2, arg3) 3. <event-name>(timestamp, pid, arg1, arg2, arg3) Existing script continue to work without changes, they only know about prototypes 1 and 2. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-09trace: add pid field to simpletrace recordStefan Hajnoczi1-2/+6
It is useful to know the QEMU process ID when working with traces from multiple VMs. Although the trace filename may contain the pid, tools that aggregate traces or even trace globally need somewhere to record the pid. There is a reserved field in the trace event header struct that we can use. It is not necessary to bump the simpletrace file format version number because it has already been incremented for the QEMU 2.1 release cycle in commit "trace: [simple] Bump up log version number". Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-06-09slirp/arp: do not special-case bogus IP addressesSamuel Thibault2-9/+6
Do not special-case addresses with zero host part, as we do not necessarily know how big it is, and the guest can fake them anyway. Silently avoid having 0.0.0.0 as a destination, however. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> [Edgar: Minor change to subject] Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-06-09target-cris/translate.c: Remove _t_gen_mov_TN_env and _t_gen_mov_env_TNPeter Maydell1-17/+2
The wrapper functions _t_gen_mov_TN_env and _t_gen_mov_env_TN are only used via their accompanying non-underscore macros. The check they add on offset is thus pointless, since the compiler will complain if the struct field passed to the macro is not part of the struct. Remove the functions and make the macros directly expand to the appropriate tcg_gen_{ld,st}_tl calls. This conveniently avoids a warning due to _t_gen_mov_TN_env() being unused. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2014-06-09target-cris/translate.c: Remove t_gen_mov_TN_reg and t_gen_mov_reg_TNPeter Maydell2-19/+4
Remove the t_gen_mov_TN_reg and t_gen_mov_reg_TN wrappers: the latter is completely unused, and the former only used in a few places (which are thus inconsistent with the rest of the decoder which directly accesses cpu_R[]). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2014-06-09intc: xilinx_uartlite: Convert SBD::init -> instance_initPeter Crosthwaite1-10/+7
SysBusDevice::init is depracated. Convert to Object::init as prescribed by QOM conventions. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2014-06-09char: xilinx_uartlite: Convert to realize()Peter Crosthwaite1-10/+14
SysBusDevice::init is depracated. Convert to Object::init and Device::realize as prescribed by QOM conventions. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2014-06-09char: xilinx_uartlite: Don't reset from initPeter Crosthwaite1-1/+7
This refresh of the device state is intended to be a reset side effect. Move it to a proper reset handler rather than do it at init time. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2014-06-09net: xilinx_ethlite: Convert to realize()Peter Crosthwaite1-11/+14
SysBusDevice::init is depracated. Convert to Object::init and Device::realize as prescribed by QOM conventions. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2014-06-09net: xilinx_ethlite: Don't reset from initPeter Crosthwaite1-1/+8
This zeroing-out of the rxbuf variable (ping pong state) is a reset side effect. Extract into a proper reset. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2014-06-09timer: xilinx_timer: Convert to realize()Peter Crosthwaite1-8/+12
SysBusDevice::init is depracated. Convert to Object::init and Device::realize as prescribed by QOM conventions. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2014-06-05Merge remote-tracking branch 'remotes/mcayland/qemu-sparc' into stagingPeter Maydell4-53/+336
* remotes/mcayland/qemu-sparc: apb: implement IOMMU translation for PCI host bridge apb: handle reading/writing of IOMMU control registers apb: fix IOMMU register sizes apb: Move IOMMU registers into a separate IOMMUState struct tcx: move initialisation from realizefn to initfn tcx: move initialisation from SysBusDevice class to TCX class realizefn cg3: add extra check to prevent CG3 register array overflow cg3: move initialisation from realizefn to initfn Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-05Merge remote-tracking branch 'remotes/mdroth/qga-pull-2014-06-05' into stagingPeter Maydell1-2/+4
* remotes/mdroth/qga-pull-2014-06-05: qga: Fix handle fd leak in acquire_privilege() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-05Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell18-76/+273
pc,pci,virtio,qdev fixes, tests new tests for SMBIOS SMBIOS fixes pc, pci fixes qdev patches stayed on list for a month with no review, as I told people on KVM forum I'm merging stuch patches if they look fine. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> * remotes/mst/tags/for_upstream: qdev: Add test of qdev_prop_check_global qdev: Display warning about unused -global tests: add smbios testing tests: rename acpi-test to bios-tables-test virtio-balloon: return empty data when no stats are available pcie_host: Turn pcie_host_init() into an instance_init SMBIOS: Fix type 17 field sizes SMBIOS: Update Type 0 struct generator for machines >= 2.1 SMBIOS: Fix endian-ness when populating multi-byte fields serial-pci: Set prog interface field of pci config to 16550 compatible Conflicts: include/hw/i386/pc.h [PMM: fixed trivial conflict in pc.h] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-05Merge remote-tracking branch 'remotes/bonzini/softmmu-smap' into stagingPeter Maydell85-1332/+1138
* remotes/bonzini/softmmu-smap: (33 commits) target-i386: cleanup x86_cpu_get_phys_page_debug target-i386: fix protection bits in the TLB for SMEP target-i386: support long addresses for 4MB pages (PSE-36) target-i386: raise page fault for reserved bits in large pages target-i386: unify reserved bits and NX bit check target-i386: simplify pte/vaddr calculation target-i386: raise page fault for reserved physical address bits target-i386: test reserved PS bit on PML4Es target-i386: set correct error code for reserved bit access target-i386: introduce support for 1 GB pages target-i386: introduce do_check_protect label target-i386: tweak handling of PG_NX_MASK target-i386: commonize checks for PAE and non-PAE target-i386: commonize checks for 4MB and 4KB pages target-i386: commonize checks for 2MB and 4KB pages target-i386: fix coding standards in x86_cpu_handle_mmu_fault target-i386: simplify SMAP handling in MMU_KSMAP_IDX target-i386: fix kernel accesses with SMAP and CPL = 3 target-i386: move check_io helpers to seg_helper.c target-i386: rename KSMAP to KNOSMAP ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-05apb: implement IOMMU translation for PCI host bridgeMark Cave-Ayland1-0/+165
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2014-06-05apb: handle reading/writing of IOMMU control registersMark Cave-Ayland1-3/+100
While the registers are documented as being 64-bit, Linux seems to access them in two halves as 2 x 32-bit accesses. Make sure that we can correctly handle this case. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2014-06-05apb: fix IOMMU register sizesMark Cave-Ayland1-8/+3
According to the referenced documentation, the IOMMU has 3 64-bit registers consisting of a control register, base register and flush register. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2014-06-05apb: Move IOMMU registers into a separate IOMMUState structMark Cave-Ayland1-3/+14
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2014-06-05tcx: move initialisation from realizefn to initfnMark Cave-Ayland2-23/+33
Initialisation cleanup as suggested by Andreas. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> CC: Andreas Färber <afaerber@suse.de>
2014-06-05tcx: move initialisation from SysBusDevice class to TCX class realizefnMark Cave-Ayland1-14/+12
This is an intermediate step to bring TCX in line with CG3. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> CC: Andreas Färber <afaerber@suse.de>
2014-06-05cg3: add extra check to prevent CG3 register array overflowMark Cave-Ayland1-2/+2
The case statements in the CG3 read and write register routines have a maximum value of CG3_REG_SIZE, so if a value were written to this offset then it would overflow the register array. Currently this cannot be exploited since the MemoryRegion restricts accesses to the range 0 ... CG3_REG_SIZE - 1, but it seems worth clarifying this for future review and/or static analysis. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> CC: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05cg3: move initialisation from realizefn to initfnMark Cave-Ayland1-8/+15
Initialisation cleanup as suggested by Andreas. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> CC: Andreas Färber <afaerber@suse.de>
2014-06-05Merge remote-tracking branch 'remotes/rth/tcg-next' into stagingPeter Maydell17-428/+237
* remotes/rth/tcg-next: TCG: Fix tcg_gen_extr_i64_tl for 32bit tcg: Remove TCG_TARGET_HAS_new_ldst tci: Convert to new ldst opcodes tcg-i386: Fix win64 qemu store Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-05Merge remote-tracking branch 'remotes/kvm/uq/master' into stagingPeter Maydell14-77/+175
* remotes/kvm/uq/master: kvm: Fix eax for cpuid leaf 0x40000000 kvmclock: Ensure proper env->tsc value for kvmclock_current_nsec calculation kvm: Enable -cpu option to hide KVM kvm: Ensure negative return value on kvm_init() error handling path target-i386: set CC_OP to CC_OP_EFLAGS in cpu_load_eflags target-i386: get CPL from SS.DPL target-i386: rework CPL checks during task switch, preparing for next patch target-i386: fix segment flags for SMM and VM86 mode target-i386: Fix vm86 mode regression introduced in fd460606fd6f. kvm_stat: allow choosing between tracepoints and old stats kvmclock: Ensure time in migration never goes backward Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-05Merge remote-tracking branch 'remotes/kraxel/tags/pull-input-10' into stagingPeter Maydell6-68/+176
updates for docs/multiseat.txt input: add support for kbd delays # gpg: Signature made Wed 04 Jun 2014 08:22:39 BST using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/kraxel/tags/pull-input-10: docs/multiseat.txt: add note about spice docs/multiseat.txt: gtk joined the party docs/multiseat.txt: use autoseat input/vnc: use kbd delays in press_key input/curses: add kbd delay between keydown and keyup events input: use kbd delays for send_key monitor command input: add support for kbd delays Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-06-05qdev: Add test of qdev_prop_check_globalDon Slutz1-0/+4
This will generate a warning from "make check": ... GTESTER tests/test-qdev-global-props Warning: "-global dynamic-prop-type-bad.prop3=103" not used GTESTER tests/check-qom-interface ... If the warning is not generated, the test will fail. Signed-off-by: Don Slutz <dslutz@verizon.com> Acked-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-05qdev: Display warning about unused -globalDon Slutz5-0/+45
This can help a user understand why -global was ignored. For example: with "-vga cirrus"; "-global vga.vgamem_mb=16" is just ignored when "-global cirrus-vga.vgamem_mb=16" is not. This is currently clear when the wrong property is provided: out/x86_64-softmmu/qemu-system-x86_64 -global cirrus-vga.vram_size_mb=16 -monitor pty -vga cirrus char device redirected to /dev/pts/20 (label compat_monitor0) qemu-system-x86_64: Property '.vram_size_mb' not found Aborted (core dumped) vs out/x86_64-softmmu/qemu-system-x86_64 -global vga.vram_size_mb=16 -monitor pty -vga cirrus char device redirected to /dev/pts/20 (label compat_monitor0) VNC server running on `::1:5900' ^Cqemu: terminating on signal 2 Signed-off-by: Don Slutz <dslutz@verizon.com> Acked-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-05target-i386: cleanup x86_cpu_get_phys_page_debugPaolo Bonzini1-18/+17
Make the code a bit more similar to x86_cpu_handle_mmu_fault. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: fix protection bits in the TLB for SMEPPaolo Bonzini1-1/+3
User pages must be marked as non-executable when running under SMEP; otherwise, fetching the page first and then calling it will fail. With this patch, all SMEP testcases in kvm-unit-tests now pass. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: support long addresses for 4MB pages (PSE-36)Paolo Bonzini2-5/+10
4MB pages can use 40-bit addresses by putting the higher 8 bits in bits 20-13 of the PDE. Bit 21 is reserved. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: raise page fault for reserved bits in large pagesPaolo Bonzini2-0/+3
In large pages, bit 12 is for PAT, but bits starting at 13 are reserved. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: unify reserved bits and NX bit checkPaolo Bonzini1-12/+4
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: simplify pte/vaddr calculationPaolo Bonzini1-8/+7
They can moved to after the dirty bit processing, and unified between CR0.PG=1 and CR0.PG=0. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: raise page fault for reserved physical address bitsPaolo Bonzini2-12/+32
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: test reserved PS bit on PML4EsPaolo Bonzini1-0/+3
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: set correct error code for reserved bit accessPaolo Bonzini1-17/+9
The correct error code is 9 (present, reserved), not 8. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: introduce support for 1 GB pagesPaolo Bonzini2-3/+8
Given the simplifications to the code in the previous patches, this is now very simple to do. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: introduce do_check_protect labelPaolo Bonzini1-36/+38
This will help adding 1GB page support in the next patch. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: tweak handling of PG_NX_MASKPaolo Bonzini1-4/+4
Remove the tail of the PAE case, so that we can use "goto" in the next patch to jump to the protection checks. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: commonize checks for PAE and non-PAEPaolo Bonzini1-79/+41
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: commonize checks for 4MB and 4KB pagesPaolo Bonzini1-77/+41
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: commonize checks for 2MB and 4KB pagesPaolo Bonzini1-83/+44
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: fix coding standards in x86_cpu_handle_mmu_faultPaolo Bonzini1-5/+9
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: simplify SMAP handling in MMU_KSMAP_IDXPaolo Bonzini2-9/+5
Do not use this MMU index at all if CR4.SMAP is false, and drop the SMAP check from x86_cpu_handle_mmu_fault. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: fix kernel accesses with SMAP and CPL = 3Paolo Bonzini3-8/+33
With SMAP, implicit kernel accesses from user mode always behave as if AC=0. To do this, kernel mode is not anymore a separate MMU mode. Instead, KERNEL_IDX is renamed to KSMAP_IDX and the kernel mode accessors wrap KSMAP_IDX and KNOSMAP_IDX. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: move check_io helpers to seg_helper.cPaolo Bonzini2-42/+42
Prepare for adding _kernel accessors there in the next patch. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05target-i386: rename KSMAP to KNOSMAPPaolo Bonzini2-7/+7
This is the mode where SMAP is overridden, put "NO" in its name. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-05softmmu: move all load/store functions to cpu_ldst.hPaolo Bonzini6-376/+368
Unify pieces of cpu-all.h, exec-all.h, softmmu_exec.h and tcg/tcg.h into a single new header file with all helpers. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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