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2011-12-19memory: move obsolete exec.c functions to a private headerAvi Kivity
This will help avoid accidental usage. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-12-19etraxfs_eth: drop bogus cpu_unregister_io_memory()Avi Kivity
Leftover call to cpu_unregister_io_memory() can segfault on cleanup. Remove. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-12-19xen: convert to memory APIAvi Kivity
Undo the private implementation of qemu_ram_alloc(); use the global one (which calls right back into xen_ram_alloc()). Signed-off-by: Avi Kivity <avi@redhat.com>
2011-12-19memory, xen: pass MemoryRegion to xen_ram_alloc()Avi Kivity
Currently xen_ram_alloc() relies on ram_addr, which is going away. Give it something else to use as a cookie. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-12-15phys_page_find_alloc: Use correct initial region_offset.Alex Rozenman
This fixes a common bug with initial region_offset value. Usually, the pages are re-assigned afterwards, so the bug has a very small effect on regular QEMU use flows. Signed-off-by: Alex Rozenman <Alex_Rozenman@mentor.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15network scripts: don't block SIGCHLD before forkingMichael Roth
This patch fixes a bug where child processes of launch_script() can misbehave due to SIGCHLD being blocked. In the case of `sudo`, this causes a permanent hang. Previously a SIGCHLD handler was added to reap fork_exec()'d zombie processes by calling waitpid(-1, ...). This required other fork()/waitpid() callers to temporarilly block SIGCHILD to avoid having the final wait status being intercepted by the SIGCHLD handler: 7c3370d4fe3fa6cda8655f109e4659afc8ca4269 Since then, the qemu_add_child_watch() interface was added to allow registration of such processes and reap only from that specific set of PIDs: 4d54ec7898bd951007cb6122d5315584bd41d0c4 As a result, we can now avoid blocking SIGCHLD in launch_script(), so drop that behavior. Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15HACKING: clarify allocation/free recommendationsPeter Maydell
Clarify the allocation/free recommendations; this is mostly just tidying up following the global-search-and-replace done with the conversion to the GLib g_malloc and friends. Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15usb: fix usb_qdev_init() error handling againStefan Hajnoczi
Commit f462141f18ffdd75847f6459ef83d90b831d12c0 introduced clean up code when usb_qdev_init() fails. Unfortunately it calls .handle_destroy() when .init() was never invoked or failed. This can lead to crashes when .handle_destroy() tries to clean up things that were never initialized. This patch is careful to undo only those steps that completed along the usb_qdev_init() code path. It's not as pretty as the unified error handling in f462141f18ffdd75847f6459ef83d90b831d12c0 but it's necessary. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15exec.c: Fix subpage memory access to RAM MemoryRegionAndreas Färber
Commit 95c318f5e1f88d7e5bcc6deac17330fd4806a2d3 (Fix segfault in mmio subpage handling code.) prevented a segfault by making all subpage registrations over an existing memory page perform an unassigned access. Symptoms were writes not taking effect and reads returning zero. Very small page sizes are not currently supported either, so subpage memory areas cannot fully be avoided. Therefore change the previous fix to use a new IO_MEM_SUBPAGE_RAM instead of IO_MEM_UNASSIGNED. Suggested by Avi. Reviewed-by: Avi Kivity <avi@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de> Cc: Avi Kivity <avi@redhat.com> Cc: Gleb Natapov <gleb@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15vl.c: Print the actual program name in help outputmichael@ozlabs.org
In help() we do what boils down to: printf("%s", "qemu"); This seems to be an artifact of be995c27640a82c7056b6f53d02ec823570114e5 ("removed unused code"), which removed some ifdef'ery that used to print a different name depending on CONFIG_SOFTMMU. Instead print the actual program name, originally from argv[0]. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15error: Add an accessor for prognamemichael@ozlabs.org
We'd like to get the progname for help output, so add an accessor. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Reviewed-by: Andreas F=E4rber <afaerber@suse.de> Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15fix win32 buildPaolo Bonzini
On Windows, cpus.c needs access to the hThread. Add a Windows-specific function to grab it. This requires changing the CPU threads to joinable. There is no substantial change because the threads run in an infinite loop. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qdev: add a qdev_get_type() function and expose as a 'type' propertyAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: add string property typeAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: add vga node to the pc composition treeAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: optimize qdev_get_canonical_path using a parent linkAnthony Liguori
The full tree search was a bit unreasonable. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15rtc: add a dynamic property for retrieving the dateAnthony Liguori
This really shows the power of dynamic object properties compared to qdev static properties. This property represents a complex structure who's format is preserved over the wire. This is enabled by visitors. It also shows an entirely synthetic property that is not tied to device state. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15rtc: make piix3 set the rtc as a child (v2)Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15dev: add an anonymous peripheral containerAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qdev: add explicitly named devices to the root complexAnthony Liguori
We first add a 'peripheral' container to the root device that we add user created devices to. This provides all user created devices with a unique and isolated namespace. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: qom_{get, set} monitor commands (v2)Anthony Liguori
This allows clients to read and write device model properties through QMP. QAPI doesn't support Visitor types yet and these commands are special in that they don't work with fixed types. I've added a documentation stub to qapi-schema.json so we can keep consistency there. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qmp: add qom-list commandAnthony Liguori
This can be used to list properties in the device model. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qapi: allow a 'gen' key to suppress code generationAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: add link properties (v2)Anthony Liguori
Links represent an ephemeral relationship between devices. They are meant to replace the qdev concept of busses by allowing more informal relationships between devices. Links are fairly limited in their usefulness without implementing QOM-style subclassing and interfaces. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: add child properties (composition) (v3)Anthony Liguori
Child properties express a relationship of composition. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qdev: provide a path resolution (v2)Anthony Liguori
There are two types of supported paths--absolute paths and partial paths. Absolute paths are derived from the root device and can follow child<> or link<> properties. Since they can follow link<> properties, they can be arbitrarily long. Absolute paths look like absolute filenames and are prefixed with a leading slash. Partial paths are look like relative filenames. They do not begin with a prefix. The matching rules for partial paths are subtle but designed to make specifying devices easy. At each level of the composition tree, the partial path is matched as an absolute path. The first match is not returned. At least two matches are searched for. A successful result is only returned if only one match is founded. If more than one match is found, a flag is returned to indicate that the match was ambiguous. At the end of the day, partial path support means that if you create a device called 'ide0', you can just say 'ide0' as the path name and it will Just Work. If we internally create a device called 'i440fx', you can just say 'i440fx' and it will Just Work and long as you don't do anything silly. A management tool should probably always use absolute paths since then they don't have to deal with the possibility of ambiguity. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qdev: provide an interface to return canonical path from root (v2)Anthony Liguori
The canonical path is the path in the composition tree from the root to the device. This is effectively the name of the device. This is an incredibly unefficient implementation that will be optimized in a future patch. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: introduce root deviceAnthony Liguori
This is based on Jan's suggestion for how to do unique naming. The root device is the root of composition. All devices are reachable via child<> links from this device. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: register legacy properties as new style properties (v2)Anthony Liguori
Expose all legacy properties through the new QOM property mechanism. The qdev property types are exposed through the 'legacy<>' namespace. They are always visited as strings since they do their own string parsing. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: add new dynamic property infrastructure based on Visitors (v2)Anthony Liguori
qdev properties are settable only during construction and static to classes. This isn't flexible enough for QOM. This patch introduces a property interface for qdev that provides dynamic properties that are tied to objects, instead of classes. These properties are Visitor based instead of string based too. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: add a reference count to qdev objectsAnthony Liguori
To ensure that a device isn't removed from the graph until all of its links are broken. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-14tcg/arm: remove fixed map code buffer restrictionDr. David Alan Gilbert
On ARM, don't map the code buffer at a fixed location, and fix up the call/goto tcg routines to let it do long jumps. Mapping the code buffer at a fixed address could sometimes result in it being mapped over the top of the heap with pretty random results. Signed-off-by: Dr. David Alan Gilbert <david.gilbert@linaro.org> Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
2011-12-14Merge branch 'target-arm.for-upstream' of ↵Andrzej Zaborowski
git://git.linaro.org/people/pmaydell/qemu-arm
2011-12-14Merge remote-tracking branch 'stefanha/trivial-patches-next' into stagingAnthony Liguori
2011-12-14doc: Remove Symbian Virtual PlatformStefan Weil
Commit d396a657baec8c6b7aa0c888746e0e2f78303650 removed the code for SVP, so the documentation needs this update. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-14migration.h: remove incoming_expected declarationsIsaku Yamahata
The variable is deleted by 1bcef683bf840a928d633755031ac572d5fdb851 So remove its declaration. Acked-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-14tcg: make tcg_const_ptr actually accept a pointer argumentPeter Maydell
Make tcg_const_ptr() include a cast so that you can pass it a pointer. This allows us to drop the casts we had in all the places that use this macro. Acked-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-14Fix spelling in comments, documentation and messagesStefan Weil
accidently->accidentally annother->another choosen->chosen consideres->considers decriptor->descriptor developement->development paramter->parameter preceed->precede preceeding->preceding priviledge->privilege propogation->propagation substraction->subtraction throught->through upto->up to usefull->useful Fix also grammar in posix-aio-compat.c Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-14hw: Fix spelling in comments and codeStefan Weil
compatiblity->compatibility transfered->transferred transfering->transferring Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-14hw: Fix spelling in commentsStefan Weil
adress->address advertisment->advertisement begining->beginning bondary->boundary controler->controller controll->control convertion->conversion doesnt->doesn't existant->existent instuction->instruction loosing->losing managment->management multipled->multiplied negotation->negotiation runing->running teh->the unchangable->unchangeable writen->written yeild->yield Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-14hw: Fix spelling (licenced->licensed)Stefan Weil
New code introduced old misspellings. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-14fmopl: Fix spelling in code and commentsStefan Weil
algorythm->algorithm rythm->rhythm I did not try to fix the coding standard, so checkpatch.pl reports lots of violations. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-13target-arm: Infer VFPv3 feature from VFPv4Andreas Färber
VFP4 => VFP3 Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2011-12-13target-arm: Infer VFP feature from VFPv3Andreas Färber
VFP3 => VFP Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2011-12-13target-arm: Infer Thumb division feature from M profileAndreas Färber
M => THUMB_DIV Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2011-12-13target-arm: Infer Thumb2 feature from ARMv7Andreas Färber
V7 => THUMB2 Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2011-12-13target-arm: Infer AUXCR feature from ARMv6Andreas Färber
V6 && !M => AUXCR Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2011-12-13target-arm: Infer ARMv6(K) feature from ARMv7Andreas Färber
V7 && M => V6 V7 && !M => V6K Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2011-12-13target-arm: Infer ARMv6 feature from v6KAndreas Färber
V6K => V6 Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2011-12-13target-arm: Infer ARMv5 feature from ARMv6Andreas Färber
V6 => V5 Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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