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2014-01-15SPARC: Fix LEON3 power down instructionHEADmasterSebastian Huber
Synchronize the program counter before the power down helper call otherwise interrupts will return to the wrong context. Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de> Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-01-15error: Don't use error_report() for assertion msgs.Peter Crosthwaite
Use fprintf(stderr instead. This removes dependency of libqemuutil.a on the monitor. We can further justify this change, in that this code path should only trigger under a fatal error condition. fprintf-stderr is probably the appropriate medium as under a fatal error conidition the monitor itself may be down and out for the count. So assertion failure messages should go lowest common denominator - straight to stderr. Fixes the build as reported by Kevin Wolf. Issue debugged and change suggested by Luiz Capitulino. Issue introduced by 5d24ee70bcbcf578614193526bcd5ed30a8eb16c. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-01-14Merge remote branch 'luiz/queue/qmp' into qmpqEdgar E. Iglesias
* luiz/queue/qmp: migration: qmp_migrate(): keep working after syntax error qerror: Remove assert_no_error() qemu-option: Remove qemu_opts_create_nofail target-i386: Remove assert_no_error usage hw: Remove assert_no_error usages qdev: Delete dead code error: Add error_abort monitor: add object-add (QMP) and object_add (HMP) command monitor: add object-del (QMP) and object_del (HMP) command qom: catch errors in object_property_add_child qom: fix leak for objects created with -object rng: initialize file descriptor to -1 qemu-monitor: HMP cpu-add wrapper vl: add missing transition debug->finish_migrate Message-Id: 1389045795-18706-1-git-send-email-lcapitulino@redhat.com Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-01-14Microblaze: Convert Microblaze-pic handling to GPIOsAlistair Francis
This patch uses inbound GPIO lines (IRQ and FIR) for interrupts instead of using the old pic_cpu method, which doesn't correspond to real hardware. This creates the CPU's inbound IRQ and FIR GPIO lines and updates the Microblaze boards to use this new method. Signed-off-by: Alistair Francis <alistair.francis@xilinx.com> Suggested-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Reveiwed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-01-14target-arm: Switch ARMCPUInfo arrays to use terminator entriesPeter Maydell
Switch the ARMCPUInfo arrays in cpu.c and cpu64.c to use a terminator entry rather than looping based on ARRAY_SIZE. The latter causes compile warnings on some versions of gcc if the configure options happen to result in an empty array. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-01-13Merge remote-tracking branch 'quintela/tags/migration/20140113' into stagingAnthony Liguori
migration.next for 20140113 # gpg: Signature made Mon 13 Jan 2014 09:38:27 AM PST using RSA key ID 5872D723 # gpg: Can't check signature: public key not found * quintela/tags/migration/20140113: (49 commits) migration: synchronize memory bitmap 64bits at a time ram: split function that synchronizes a range memory: syncronize kvm bitmap using bitmaps operations memory: move bitmap synchronization to its own function kvm: refactor start address calculation kvm: use directly cpu_physical_memory_* api for tracking dirty pages memory: unfold memory_region_test_and_clear() memory: split cpu_physical_memory_* functions to its own include memory: cpu_physical_memory_set_dirty_tracking() should return void memory: make cpu_physical_memory_reset_dirty() take a length parameter memory: s/dirty/clean/ in cpu_physical_memory_is_dirty() memory: cpu_physical_memory_clear_dirty_range() now uses bitmap operations memory: cpu_physical_memory_set_dirty_range() now uses bitmap operations memory: use find_next_bit() to find dirty bits memory: s/mask/clear/ cpu_physical_memory_mask_dirty_range memory: cpu_physical_memory_get_dirty() is used as returning a bool memory: make cpu_physical_memory_get_dirty() the main function memory: unfold cpu_physical_memory_set_dirty_flag() memory: unfold cpu_physical_memory_set_dirty() in its only user memory: unfold cpu_physical_memory_clear_dirty_flag() in its only user ... Message-id: 1389634834-24181-1-git-send-email-quintela@redhat.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2014-01-13migration: synchronize memory bitmap 64bits at a timeJuan Quintela
We use the old code if the bitmaps are not aligned Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13ram: split function that synchronizes a rangeJuan Quintela
This function is the only bit where we care about speed. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: syncronize kvm bitmap using bitmaps operationsJuan Quintela
If bitmaps are aligned properly, use bitmap operations. If they are not, just use old bit at a time code. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: move bitmap synchronization to its own functionJuan Quintela
We want to have all the functions that handle directly the dirty bitmap near. We will change it later. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13kvm: refactor start address calculationJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13kvm: use directly cpu_physical_memory_* api for tracking dirty pagesJuan Quintela
Performance is important in this function, and we want to optimize even further. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: unfold memory_region_test_and_clear()Juan Quintela
We are going to update the bitmap directly Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: split cpu_physical_memory_* functions to its own includeJuan Quintela
All the functions that use ram_addr_t should be here. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: cpu_physical_memory_set_dirty_tracking() should return voidJuan Quintela
Result was always 0, and not used anywhere. Once there, use bool type for the parameter. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: make cpu_physical_memory_reset_dirty() take a length parameterJuan Quintela
We have an end parameter in all the callers, and this make it coherent with the rest of cpu_physical_memory_* functions, that also take a length parameter. Once here, move the start/end calculation to tlb_reset_dirty_range_all() as we don't need it here anymore. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: s/dirty/clean/ in cpu_physical_memory_is_dirty()Juan Quintela
All uses except one really want the other meaning. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: cpu_physical_memory_clear_dirty_range() now uses bitmap operationsJuan Quintela
We were clearing a range of bits, so use bitmap_clear(). Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: cpu_physical_memory_set_dirty_range() now uses bitmap operationsJuan Quintela
We were setting a range of bits, so use bitmap_set(). Note: xen has always been wrong, and should have used start instead of addr from the beginning. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: use find_next_bit() to find dirty bitsJuan Quintela
This operation is way faster than doing it bit by bit. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: s/mask/clear/ cpu_physical_memory_mask_dirty_rangeJuan Quintela
Now all functions use the same wording that bitops/bitmap operations Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: cpu_physical_memory_get_dirty() is used as returning a boolJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: make cpu_physical_memory_get_dirty() the main functionJuan Quintela
And make cpu_physical_memory_get_dirty_flag() to use it. It used to be the other way around. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: unfold cpu_physical_memory_set_dirty_flag()Juan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: unfold cpu_physical_memory_set_dirty() in its only userJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: unfold cpu_physical_memory_clear_dirty_flag() in its only userJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: split dirty bitmap into threeJuan Quintela
After all the previous patches, spliting the bitmap gets direct. Note: For some reason, I have to move DIRTY_MEMORY_* definitions to the beginning of memory.h to make compilation work. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13bitmap: Add bitmap_zero_extend operationJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: cpu_physical_memory_clear_dirty_flag() result is never usedJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: only resize dirty bitmap when memory size increasesJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: make sure that client is always inside rangeJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: use bit 2 for migrationJuan Quintela
For historical reasons it was bit 3. Once there, create a constant to know the number of clients. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: cpu_physical_memory_mask_dirty_range() always clears a single flagJuan Quintela
Document it Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: cpu_physical_memory_set_dirty_range() always dirty all flagsJuan Quintela
So remove the flag argument and do it directly. After this change, there is nothing else using cpu_physical_memory_set_dirty_flags() so remove it. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: set single dirty flags when possibleJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: all users of cpu_physical_memory_get_dirty used only one flagJuan Quintela
So cpu_physical_memory_get_dirty_flags is not needed anymore Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: make cpu_physical_memory_is_dirty return boolJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13exec: create function to get a single dirty bitJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13memory: create function to set a single dirty bitJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2014-01-13exec: use accessor function to know if memory is dirtyJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2014-01-13memory: cpu_physical_memory_set_dirty_range() return voidJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2014-01-13memory: cpu_physical_memory_set_dirty_flags() result is never usedJuan Quintela
So return void. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2014-01-13bitmap: use long as indexJuan Quintela
Move index and size fields from int to long. We need that for migration. long is 64 bits on sane architectures, and 32bits should be enough on all the 32bits architectures. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
2014-01-13tests: Some unit tests for vmstate.cEduardo Habkost
* Basic load/save tests * Tests for loading older versions * Tests for .field_exists() handling Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2014-01-13savevm: Small comment about why timer QEMUFile/VMState code is in savevm.cEduardo Habkost
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2014-01-13qemu-file: Move QEMUFile code to qemu-file.cEduardo Habkost
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2014-01-13vmstate: Move VMState code to vmstate.cEduardo Habkost
This will allow unit tests to be written for VMState code without pulling dependencies from the savevm code. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2014-01-13savevm.c: Coding style fixEduardo Habkost
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2014-01-13savevm.c: Coding style fixesEduardo Habkost
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2014-01-13savevm: Convert all tabs to spacesEduardo Habkost
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
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