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2014-03-19exec: Fix CPU rework falloutChristian Borntraeger1-1/+1
Commit 259186a7d2f7184efc96ae99bc5658e6159f53ad (cpu: Move halted and interrupt_request fields to CPUState) passed CPUState::env_ptr to tlb_flush() directory rather than through a typed variable. Commit 00c8cb0a36f51a6866a83c08962d12a0eb21864b (cputlb: Change tlb_flush() argument to CPUState) now changed the argument type. This was unnoticed by gcc because env_ptr is a void pointer. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cputlb: Change tlb_flush() argument to CPUStateAndreas Färber1-3/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cputlb: Change tlb_flush_page() argument to CPUStateAndreas Färber1-5/+2
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13exec: Change cpu_abort() argument to CPUStateAndreas Färber1-2/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13exec: Change memory_region_section_get_iotlb() argument to CPUStateAndreas Färber1-2/+1
It no longer needs CPUArchState since moving watchpoints to CPUState. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu-exec: Change cpu_resume_from_signal() argument to CPUStateAndreas Färber1-1/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13exec: Change cpu_breakpoint_{insert,remove{,_by_ref,_all}} argumentAndreas Färber1-12/+8
Use CPUState. Allows to clean up CPUArchState in gdbstub. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13exec: Change cpu_watchpoint_{insert,remove{,_by_ref,_all}} argumentAndreas Färber1-17/+17
Use CPUState. This lets us drop a few local env usages. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13translate-all: Change tb_gen_code() argument to CPUStateAndreas Färber1-1/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13translate-all: Change tb_check_watchpoint() argument to CPUStateAndreas Färber1-1/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu-exec: Change cpu_loop_exit() argument to CPUStateAndreas Färber1-1/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move breakpoints field from CPU_COMMON to CPUStateAndreas Färber1-8/+13
Most targets were using offsetof(CPUFooState, breakpoints) to determine how much of CPUFooState to clear on reset. Use the next field after CPU_COMMON instead, if any, or sizeof(CPUFooState) otherwise. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move watchpoint fields from CPU_COMMON to CPUStateAndreas Färber1-13/+20
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move exception_index field from CPU_COMMON to CPUStateAndreas Färber1-1/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move mem_io_{pc,vaddr} fields from CPU_COMMON to CPUStateAndreas Färber1-4/+5
Reset them. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-11Merge remote-tracking branch 'remotes/kvm/uq/master' into stagingPeter Maydell1-4/+10
* remotes/kvm/uq/master: target-i386: bugfix of Intel MPX file_ram_alloc: unify mem-path,mem-prealloc error handling kvm-all: exit in case max vcpus exceeded Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-03exec: Remove unneeded include filesStefan Weil1-3/+1
This file does not depend on windows.h. Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-02-27file_ram_alloc: unify mem-path,mem-prealloc error handlingMarcelo Tosatti1-4/+10
-mem-prealloc asks to preallocate memory residing on -mem-path path. Currently QEMU exits in case: - Memory file has been created but allocation via explicit write fails. And it fallbacks to malloc in case: - Querying huge page size fails. - Lack of sync MMU support. - Open fails. - mmap fails. Have the same behaviour for all cases: fail in case -mem-path and -mem-prealloc are specified for regions where the requested size is suitable for hugepages. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-02-11exec: Make cpu_memory_rw_debug use the CPUs ASEdgar E. Iglesias1-5/+5
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Make cpu_physical_memory_write_rom input an ASEdgar E. Iglesias1-7/+8
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Make stb_phys input an AddressSpaceEdgar E. Iglesias1-3/+3
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Make stw_*_phys input an AddressSpaceEdgar E. Iglesias1-10/+10
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Make stl_phys_notdirty input an AddressSpaceEdgar E. Iglesias1-2/+2
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Make stl_*_phys input an AddressSpaceEdgar E. Iglesias1-9/+10
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Make stq_*_phys input an AddressSpaceEdgar E. Iglesias1-6/+6
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Make lduw_*_phys input an AddressSpaceEdgar E. Iglesias1-9/+9
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Make ldq/ldub_*_phys input an AddressSpaceEdgar E. Iglesias1-11/+11
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Make ldl_*_phys input an AddressSpaceEdgar E. Iglesias1-10/+9
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: On AS changes, only flush affected CPU TLBsEdgar E. Iglesias1-0/+5
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11cpu: Add per-cpu address spaceEdgar E. Iglesias1-8/+19
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Make memory_region_section_get_iotlb use section ASEdgar E. Iglesias1-1/+1
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Always initialize MemorySection address spacesEdgar E. Iglesias1-0/+2
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Make iotlb_to_region input an ASEdgar E. Iglesias1-3/+2
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11exec: Make tb_invalidate_phys_addr input an ASEdgar E. Iglesias1-1/+2
No functional change. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-10memory: fix limiting of translation at a page boundaryPaolo Bonzini1-16/+19
Commit 360e607 (address_space_translate: do not cross page boundaries, 2014-01-30) broke MMIO accesses in cases where the section is shorter than the full register width. This can happen for example with the Bochs DISPI registers, which are 16 bits wide but have only a 1-byte long MemoryRegion (if you write to the "second byte" of the register your access is discarded; it doesn't write only to half of the register). Restrict the action of commit 360e607 to direct RAM accesses. This is enough for Xen, since MMIO will not go through the mapcache. Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> 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
2014-01-24Merge remote-tracking branch 'qemu-kvm/uq/master' into stagingAnthony Liguori1-1/+1
* qemu-kvm/uq/master: kvm: always update the MPX model specific register KVM: fix addr type for KVM_IOEVENTFD KVM: Retry KVM_CREATE_VM on EINTR mempath prefault: fix off-by-one error kvm: x86: Separately write feature control MSR on reset roms: Flush icache when writing roms to guest memory target-i386: clear guest TSC on reset target-i386: do not special case TSC writeback target-i386: Intel MPX Conflicts: exec.c aliguori: fix trivial merge conflict in exec.c Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2014-01-13memory: split cpu_physical_memory_* functions to its own includeJuan Quintela1-0/+1
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 Quintela1-6/+4
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 Quintela1-11/+8
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 Quintela1-3/+3
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: s/mask/clear/ cpu_physical_memory_mask_dirty_rangeJuan Quintela1-1/+1
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: split dirty bitmap into threeJuan Quintela1-3/+6
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>
2014-01-13memory: only resize dirty bitmap when memory size increasesJuan Quintela1-3/+9
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 Quintela1-9/+10
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 Quintela1-1/+1
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 Quintela1-3/+4
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 Quintela1-5/+2
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 Quintela1-1/+1
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: use accessor function to know if memory is dirtyJuan Quintela1-1/+1
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
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