- 21 4月, 2017 40 次提交
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由 Juan Quintela 提交于
This is a ram field that was inside MigrationState. Move it to RAMState and make it the same that the other ram stats. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
This are the last postcopy fields still at MigrationState. Once there Move MigrationSrcPageRequest to ram.c and remove MigrationState parameters where appropiate. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
It was on MigrationState when it is only used inside ram.c for postcopy. Problem is that we need to access it without being able to pass it RAMState directly. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Just unfold it. Move ram_bytes_remaining() with the rest of exported functions. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Somewhere it was passed by reference, just use it from RAMState. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Once there, rename the type to be shorter. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
And then init only things that are not zero by default. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Once there, remove the now unused AccountingInfo struct and var. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com> -- Comment why we need bytes and pages
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Its value can be calculated by other exported. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
For compatibility, we need to still send a value, but just specify it and comment the fact. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Once there rename it to its actual meaning, zero_pages. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com> -- Renamed start_time to time_last_bitmap_sync(peterx suggestion)
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由 Juan Quintela 提交于
Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
We need to add a parameter to several functions to make this work. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
We create a struct where to put all the ram state Start with the following fields: last_seen_block, last_sent_block, last_offset, last_version and ram_bulk_stage are globals that are really related together. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com> -- Fix typo and warnings
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由 Juan Quintela 提交于
So all places are consistent on the naming of a block name parameter. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com>
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由 Juan Quintela 提交于
It reflects better what it does. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com>
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由 Juan Quintela 提交于
Added doc comments for existing functions comment and rewrite them in a common style. Signed-off-by: NJuan Quintela <quintela@redhat.com> Reviewed-by: NPeter Xu <peterx@redhat.com> -- Fix Peter Xu comments Improve postcopy comments as per reviews.
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由 Peter Maydell 提交于
We already require gcc 4.1 or newer (for the atomic support), so the fallback codepaths for older gcc versions than that are now dead code and we can just delete them. NB: clang reports itself as gcc 4.2 (regardless of clang version), so clang won't be using the fallbacks either. Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NMarkus Armbruster <armbru@redhat.com>
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由 Peter Maydell 提交于
target-arm queue: * implement M profile exception return properly * cadence GEM: fix multiqueue handling bugs * pxa2xx.c: QOMify a device * arm/kvm: Remove trailing newlines from error_report() * stellaris: Don't hw_error() on bad register accesses * Add assertion about FSC format for syndrome registers * Move excnames[] array into arm_log_exceptions() * exynos: minor code cleanups * hw/arm/boot: take Linux/arm64 TEXT_OFFSET header field into account * Fix APSR writes via M profile MSR # gpg: Signature made Thu 20 Apr 2017 17:39:35 BST # gpg: using RSA key 0x3C2525ED14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" # gpg: aka "Peter Maydell <pmaydell@gmail.com>" # gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" # Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE * remotes/pmaydell/tags/pull-target-arm-20170420: (24 commits) arm: Remove workarounds for old M-profile exception return implementation arm: Implement M profile exception return properly arm: Track M profile handler mode state in TB flags arm: Abstract out "are we singlestepping" test to utility function arm: Move condition-failed codepath generation out of if() arm: Move gen_set_condexec() and gen_set_pc_im() up in the file arm: Factor out "generate right kind of step exception" arm: Thumb shift operations should not permit interworking branches arm: Don't implement BXJ on M-profile CPUs xlnx-zynqmp: Set the Cadence GEM revision cadence_gem: Make the revision a property cadence_gem: Correct the interupt logic cadence_gem: Correct the multi-queue can rx logic cadence_gem: Read the correct queue descriptor hw/arm: Qomify pxa2xx.c arm/kvm: Remove trailing newlines from error_report() stellaris: Don't hw_error() on bad register accesses target/arm: Add assertion about FSC format for syndrome registers arm: Move excnames[] array into arm_log_exceptions() target/arm: Add missing entries to excnames[] for log strings ... Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
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由 Peter Maydell 提交于
Now that we've rewritten M-profile exception return so that the magic PC values are not visible to other parts of QEMU, we can delete the special casing of them elsewhere. Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: NRichard Henderson <rth@twiddle.net> Message-id: 1491844419-12485-10-git-send-email-peter.maydell@linaro.org
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由 Peter Maydell 提交于
On M profile, return from exceptions happen when code in Handler mode executes one of the following function call return instructions: * POP or LDM which loads the PC * LDR to PC * BX register and the new PC value is 0xFFxxxxxx. QEMU tries to implement this by not treating the instruction specially but then catching the attempt to execute from the magic address value. This is not ideal, because: * there are guest visible differences from the architecturally specified behaviour (for instance jumping to 0xFFxxxxxx via a different instruction should not cause an exception return but it will in the QEMU implementation) * we have to account for it in various places (like refusing to take an interrupt if the PC is at a magic value, and making sure that the MPU doesn't deny execution at the magic value addresses) Drop these hacks, and instead implement exception return the way the architecture specifies -- by having the relevant instructions check for the magic value and raise the 'do an exception return' QEMU internal exception immediately. The effect on the generated code is minor: bx lr, old code (and new code for Thread mode): TCG: mov_i32 tmp5,r14 movi_i32 tmp6,$0xfffffffffffffffe and_i32 pc,tmp5,tmp6 movi_i32 tmp6,$0x1 and_i32 tmp5,tmp5,tmp6 st_i32 tmp5,env,$0x218 exit_tb $0x0 set_label $L0 exit_tb $0x7f2aabd61993 x86_64 generated code: 0x7f2aabe87019: mov %ebx,%ebp 0x7f2aabe8701b: and $0xfffffffffffffffe,%ebp 0x7f2aabe8701e: mov %ebp,0x3c(%r14) 0x7f2aabe87022: and $0x1,%ebx 0x7f2aabe87025: mov %ebx,0x218(%r14) 0x7f2aabe8702c: xor %eax,%eax 0x7f2aabe8702e: jmpq 0x7f2aabe7c016 bx lr, new code when in Handler mode: TCG: mov_i32 tmp5,r14 movi_i32 tmp6,$0xfffffffffffffffe and_i32 pc,tmp5,tmp6 movi_i32 tmp6,$0x1 and_i32 tmp5,tmp5,tmp6 st_i32 tmp5,env,$0x218 movi_i32 tmp5,$0xffffffffff000000 brcond_i32 pc,tmp5,geu,$L1 exit_tb $0x0 set_label $L1 movi_i32 tmp5,$0x8 call exception_internal,$0x0,$0,env,tmp5 x86_64 generated code: 0x7fe8fa1264e3: mov %ebp,%ebx 0x7fe8fa1264e5: and $0xfffffffffffffffe,%ebx 0x7fe8fa1264e8: mov %ebx,0x3c(%r14) 0x7fe8fa1264ec: and $0x1,%ebp 0x7fe8fa1264ef: mov %ebp,0x218(%r14) 0x7fe8fa1264f6: cmp $0xff000000,%ebx 0x7fe8fa1264fc: jae 0x7fe8fa126509 0x7fe8fa126502: xor %eax,%eax 0x7fe8fa126504: jmpq 0x7fe8fa122016 0x7fe8fa126509: mov %r14,%rdi 0x7fe8fa12650c: mov $0x8,%esi 0x7fe8fa126511: mov $0x56095dbeccf5,%r10 0x7fe8fa12651b: callq *%r10 which is a difference of one cmp/branch-not-taken. This will be lost in the noise of having to exit generated code and look up the next TB anyway. Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NRichard Henderson <rth@twiddle.net> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 1491844419-12485-9-git-send-email-peter.maydell@linaro.org
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由 Peter Maydell 提交于
For M profile exception-return handling we'd like to generate different code for some instructions depending on whether we are in Handler mode or Thread mode. This isn't the same as "are we privileged or user", so we need an extra bit in the TB flags to distinguish. Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NRichard Henderson <rth@twiddle.net> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 1491844419-12485-8-git-send-email-peter.maydell@linaro.org
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由 Peter Maydell 提交于
We now test for "are we singlestepping" in several places and it's not a trivial check because we need to care about both architectural singlestep and QEMU gdbstub singlestep. We're also about to add another place that needs to make this check, so pull the condition out into a function. Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NRichard Henderson <rth@twiddle.net> Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 1491844419-12485-7-git-send-email-peter.maydell@linaro.org
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