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2015-06-22qerror: Clean up QERR_ macros to expand into a single stringMarkus Armbruster1-6/+6
These macros expand into error class enumeration constant, comma, string. Unclean. Has been that way since commit 13f59ae. The error class is always ERROR_CLASS_GENERIC_ERROR since the previous commit. Clean up as follows: * Prepend every use of a QERR_ macro by ERROR_CLASS_GENERIC_ERROR, and delete it from the QERR_ macro. No change after preprocessing. * Rewrite error_set(ERROR_CLASS_GENERIC_ERROR, ...) into error_setg(...). Again, no change after preprocessing. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2015-06-22qerror: Eliminate QERR_DEVICE_NOT_FOUNDMarkus Armbruster1-2/+4
Error classes other than ERROR_CLASS_GENERIC_ERROR should not be used in new code. Hiding them in QERR_ macros makes new uses hard to spot. Fortunately, there's just one such macro left. Eliminate it with this coccinelle semantic patch: @@ expression EP, E; @@ -error_set(EP, QERR_DEVICE_NOT_FOUND, E) +error_set(EP, ERROR_CLASS_DEVICE_NOT_FOUND, "Device '%s' not found", E) Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2015-06-22qobject: Use 'bool' for qboolEric Blake1-2/+2
We require a C99 compiler, so let's use 'bool' instead of 'int' when dealing with boolean values. There are few enough clients to fix them all in one pass. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Alberto Garcia <berto@igalia.com> Acked-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2015-06-19qom: Don't pass string table to object_get_enum() functionDaniel P. Berrange1-2/+17
Now that properties can be explicitly registered as an enum type, there is no need to pass the string table to the object_get_enum() function. The object property registration already has a pointer to the string table. In changing this method signature, the hostmem backend object has to be converted to use the new enum property registration code, which simplifies it somewhat. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-06-19qom: Add an object_property_add_enum() helper functionDaniel P. Berrange1-0/+58
A QOM property can be parsed as enum using the visit_type_enum() helper function, but this forces callers to use the more complex generic object_property_add() method when registering it. It also requires that users of that object have access to the string map when they want to read the property value. This patch introduces a specialized object_property_add_enum() method which simplifies the use of enum properties, so the setters/getters directly get passed the int value. typedef enum { MYDEV_TYPE_FROG, MYDEV_TYPE_ALLIGATOR, MYDEV_TYPE_PLATYPUS, MYDEV_TYPE_LAST } MyDevType; Then provide a table of enum <-> string mappings static const char *const mydevtypemap[MYDEV_TYPE_LAST + 1] = { [MYDEV_TYPE_FROG] = "frog", [MYDEV_TYPE_ALLIGATOR] = "alligator", [MYDEV_TYPE_PLATYPUS] = "platypus", [MYDEV_TYPE_LAST] = NULL, }; Assuming an object struct of typedef struct { Object parent_obj; MyDevType devtype; ...other fields... } MyDev; The property can then be registered as follows: static int mydev_prop_get_devtype(Object *obj, Error **errp G_GNUC_UNUSED) { MyDev *dev = MYDEV(obj); return dev->devtype; } static void mydev_prop_set_devtype(Object *obj, int value, Error **errp G_GNUC_UNUSED) { MyDev *dev = MYDEV(obj); dev->devtype = value; } object_property_add_enum(obj, "devtype", mydevtypemap, "MyDevType", mydev_prop_get_devtype, mydev_prop_set_devtype, NULL); Note there is no need to check the range of 'value' in the setter, because the string->enum conversion code will have already done that and reported an error as required. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-06-19qom: Make enum string tables const-correctDaniel P. Berrange1-1/+1
The enum string table parameters in various QOM/QAPI methods are declared 'const char *strings[]'. This results in const warnings if passed a variable that was declared as static const char * const strings[] = { .... }; Add the extra const annotation to the parameters, since neither the string elements, nor the array itself should ever be modified. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-06-19qom: Add object_new_with_props() / object_new_withpropv() helpersDaniel P. Berrange1-0/+109
It is reasonably common to want to create an object, set a number of properties, register it in the hierarchy and then mark it as complete (if a user creatable type). This requires quite a lot of error prone, verbose, boilerplate code to achieve. First a pair of functions object_set_props() / object_set_propv() are added which allow for a list of objects to be set in one single API call. Then object_new_with_props() / object_new_with_propv() constructors are added which simplify the sequence of calls to create an object, populate properties, register in the object composition tree and mark the object complete, into a single method call. Usage would be: Error *err = NULL; Object *obj; obj = object_new_with_propv(TYPE_MEMORY_BACKEND_FILE, object_get_objects_root(), "hostmem0", &err, "share", "yes", "mem-path", "/dev/shm/somefile", "prealloc", "yes", "size", "1048576", NULL); Note all property values are passed in string form and will be parsed into their required data types, using normal QOM semantics for parsing from string format. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-06-19qom: Add helper function for getting user objects rootDaniel P. Berrange1-0/+5
Add object_get_objects_root() function which is a convenience for obtaining the Object * located at /objects in the object composition tree. Convert existing code over to use the new API where appropriate. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-06-19qom: strdup() target property name on object_property_add_alias()Eduardo Habkost1-2/+3
With this, object_property_add_alias() callers can safely free the target property name, like what already happens with the 'name' argument to all object_property_add*() functions. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-06-05qom: add object_property_add_const_linkPaolo Bonzini1-0/+16
Suggested-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-04-01qom: Add can_be_deleted callback to UserCreatableClassLin Ma1-0/+12
If backends implement the can_be_deleted and it returns false, Then the qmp_object_del won't delete the given backends. Signed-off-by: Lin Ma <lma@suse.com> Message-Id: <1427704589-7688-2-git-send-email-lma@suse.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-03-31qom: Fix object_property_add_alias() with [*]Andreas Färber1-1/+1
Commit 8074264 (qom: Add description field in ObjectProperty struct) introduced property descriptions and copied them for alias properties. Instead of using the caller-supplied property name, use the returned property name for setting the description. This avoids an Error when setting a property description for a property with literal "[*]" that doesn't exist due to automatic property naming in object_property_add(). Reviewed-by: Gonglei <arei.gonglei@huawei.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: qemu-stable@nongnu.org (v2.2+) Signed-off-by: Andreas Färber <afaerber@suse.de>
2015-03-19qom: Fix warning from SparseStefan Weil1-1/+1
Sparse report: qom/cpu.c:99:5: warning: returning void-valued expression Cc: Andreas Färber <afaerber@suse.de> Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2015-03-09Generalize QOM publishing of date and time from mc146818rtc.cDavid Gibson1-0/+79
The mc146818rtc driver exposes the current RTC date and time via the "date" property in QOM (which is also aliased to the machine's "rtc-time" property). Currently it uses a custom visitor function rtc_get_date to do this. This patch introduces new helpers to the QOM core to expose struct tm valued properties via a getter function, so that this functionality can be more easily duplicated in other RTC implementations. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2015-02-18error: Use error_report_err() where appropriateMarkus Armbruster1-2/+1
Coccinelle semantic patch: @@ expression E; @@ - error_report("%s", error_get_pretty(E)); - error_free(E); + error_report_err(E); @@ expression E, S; @@ - error_report("%s", error_get_pretty(E)); + error_report_err(E); ( exit(S); | abort(); ) Trivial manual touch-ups in block/sheepdog.c. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2014-12-20cpu: initialize cpu->exception_index on resetPaolo Bonzini1-0/+1
This unbreaks linux-user (broken by e511b4d, cpu-exec: reset exception_index correctly, 2014-11-26). Reported-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Tested-by: Laurent Desnogues <laurent.desnogues@gmail.com> Tested-by: Eduardo Habkost <ehabkost@redhat.com> Message-id: 1418989994-17244-2-git-send-email-pbonzini@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-11-02qom/cpu: remove the unused CPU hot-plug notifierGu Zheng1-10/+0
Remove the unused CPU hot-plug notifier. Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2014-10-23qom: Demote already-has-a-parent to a regular errorPeter Crosthwaite1-1/+5
Rather than an abort(). This allows callers to decide whether parenting an already-parented object is a fatal error condition. Useful for providing a default value for an object's parent in the case where you want to set one iff it doesn't already have one. Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-23qom: Allow clearing of a Link propertyPeter Crosthwaite1-3/+7
By passing in "" to object_property_set_link. The lead user of this is the QDEV GPIO framework which will implement GPIO disconnects via an "unlink". GPIO disconnection is used by qtest's irq_intercept_out command. Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-15qom: Add description field in ObjectProperty structGonglei1-0/+20
The descriptions can serve as documentation in the code, and they can be used to provide better help. Copy property descriptions when copying alias properties. Cc: Markus Armbruster <armbru@redhat.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-10-15qom: Add error handler for object alias propertyGonglei1-1/+8
object_property_add_alias() is called at some places at present. And its parameter errp may not NULL, such as object_property_add_alias(obj, "iothread", OBJECT(&dev->vdev),"iothread", &error_abort); This patch add error handler for security. Cc: Stefan Hajnoczi <stefanha@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-10-15qom: Add error handler for object_property_print()Gonglei1-2/+10
Avoid the caller of object_property_print() leaking string argument's memory, such as qdev_print_props() when encounter errors. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-09-25qom: Add cpu_exec_interrupt hookRichard Henderson1-0/+6
Continuing the removal of ifdefs from cpu_exec. Cc: Andreas Färber <afaerber@suse.de> Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 1410626734-3804-7-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-25qom: Add cpu_exec_enter and cpu_exec_exit hooksRichard Henderson1-2/+4
In preparation for removing a bunch of ifdefs from cpu_exec. Cc: Andreas Färber <afaerber@suse.de> Signed-off-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 1410626734-3804-2-git-send-email-rth@twiddle.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12cpu-exec: Make debug_excp_handler a QOM CPU methodPeter Maydell1-0/+5
Make the debug_excp_handler target specific hook into a QOM CPU method. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-04qom: Add automatic arrayification to object_property_add()Peter Crosthwaite1-0/+21
If "[*]" is given as the last part of a QOM property name, treat that as an array property. The added property is given the first available name, replacing the * with a decimal number counting from 0. First add with name "foo[*]" will be "foo[0]". Second "foo[1]" and so on. Callers may inspect the ObjectProperty * return value to see what number the added property was given. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-09-04qom: Make object_child_foreach() safe for objects removalAlexey Kardashevskiy1-2/+2
Current object_child_foreach() uses QTAILQ_FOREACH() to walk through children and that makes children removal from the callback impossible. This makes object_child_foreach() use QTAILQ_FOREACH_SAFE(). Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: Hu Tao <hutao@cn.fujitsu.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-09-02qom/object.c, hmp.c: fix string_output_get_string() memory leakChen Fan1-2/+10
string_output_get_string() uses g_string_free(str, false) to transfer the 'str' pointer to callers and never free it. Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Reviewed-by: Hu Tao <hutao@cn.fujitsu.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-08-17qom: object: move unparenting to the child property's release callbackPaolo Bonzini1-10/+4
This ensures that the unparent callback is called automatically when the parent object is finalized. Note that there's no need to keep a reference neither in object_unparent nor in object_finalize_child_property. The reference held by the child property itself will do. Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-08-17qom: object: delete properties before calling instance_finalizePaolo Bonzini1-1/+1
This ensures that the children's unparent callback will still have a usable parent. Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-07-01qom: object: Ignore refs/unrefs of NULLPeter Crosthwaite1-6/+8
Just do nothing if passed NULL for a ref or unref. This avoids call sites that manage a combination of NULL or non-NULL pointers having to add iffery around every ref and unref. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-07-01qom: object: remove parent pointer when unparentingPeter Crosthwaite1-0/+1
Certain parts of the QOM framework test this pointer to determine if an object is parented. Nuke it when the object is unparented to allow for reuse of an object after unparenting. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-07-01qom: allow creating an alias of a child<> propertyPaolo Bonzini1-1/+11
Child properties must be unique. Fix this problem by turning their aliases into links. The resolve function that forwards to the target property does not have any knowledge of the target property's type, so it works fine. Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-07-01qom: add a generic mechanism to resolve pathsPaolo Bonzini1-29/+53
It may be desirable to have custom link<> properties that do more than just store an object. Even the addition of a "check" function is not enough if setting the link has side effects or if a non-standard reference counting is preferrable. Avoid the assumption that the opaque field of a link<> is a LinkProperty struct, by adding a generic "resolve" callback to ObjectProperty. This fixes aliases of link properties. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-07-01qom: add object_property_add_alias()Stefan Hajnoczi1-0/+51
Sometimes an object needs to present a property which is actually on another object, or it needs to provide an alias name for an existing property. Examples: a.foo -> b.foo a.old_name -> a.new_name The new object_property_add_alias() API allows objects to alias a property on the same object or another object. The source and target names can be different. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
2014-06-29cpu: introduce CPUClass::virtio_is_big_endian()Greg Kurz1-0/+6
If we want to support targets that can change endianness (modern PPC and ARM for the moment), we need to add a per-CPU class method to be called from the virtio code. The virtio_ prefix in the name is a hint for people to avoid misusage (aka. anywhere but from the virtio code). The default behaviour is to return the compile-time default target endianness. Suggested-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-06-19qom: introduce object_property_get_enum and object_property_get_uint16ListHu Tao1-0/+35
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-04-25qerror.h: Remove QERR defines that are only used onceCole Robinson1-2/+3
Just hardcode them in the callers Cc: Luiz Capitulino <lcapitulino@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Signed-off-by: Cole Robinson <crobinso@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-04-11qom: Fix crash with qom-list and link propertiesCole Robinson1-1/+2
Commit 9561fda8d90e176bef598ba87c42a1bd6ad03ef7 changed the type of 'opaque' for link properties, but missed updating this call site. Reproducer: ./x86_64-softmmu/qemu-system-x86_64 -qmp unix:./qmp.sock,server & ./scripts/qmp/qmp-shell ./qmp.sock (QEMU) qom-list path=//machine/i440fx/pci.0/child[2] Reported-by: Marcin Gibuła <m.gibula@beyond.pl> Signed-off-by: Cole Robinson <crobinso@redhat.com> Message-id: 2f8f007ce2152ac3b65f0811199662799c509225.1397155389.git.crobinso@redhat.com Acked-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-19qom: Add check() argument to object_property_add_link()Stefan Hajnoczi1-1/+17
There are currently three types of object_property_add_link() callers: 1. The link property may be set at any time. 2. The link property of a DeviceState instance may only be set before realize. 3. The link property may never be set, it is read-only. Something similar can already be achieved with object_property_add_str()'s set() argument. Follow its example and add a check() argument to object_property_add_link(). Also provide default check() functions for case #1 and #2. Case #3 is covered by passing a NULL function pointer. Cc: Peter Crosthwaite <peter.crosthwaite@petalogix.com> Cc: Alexander Graf <agraf@suse.de> Cc: Anthony Liguori <aliguori@amazon.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> [AF: Tweaked documentation comment] Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-19qom: Make QOM link property unref optionalStefan Hajnoczi1-3/+33
Some object_property_add_link() callers expect property deletion to unref the link property object. Other callers expect to manage the refcount themselves. The former are currently broken and therefore leak the link property object. This patch adds a flags argument to object_property_add_link() so the caller can specify which refcount behavior they require. The new OBJ_PROP_LINK_UNREF_ON_RELEASE flag causes the link pointer to be unreferenced when the property is deleted. This fixes refcount leaks in qdev.c, xilinx_axidma.c, xilinx_axienet.c, s390-virtio-bus.c, virtio-pci.c, virtio-rng.c, and ui/console.c. Rationale for refcount behavior: * hw/core/qdev.c - bus children are explicitly unreferenced, don't interfere - parent_bus is essentially a read-only property that doesn't hold a refcount, don't unref - hotplug_handler is leaked, do unref * hw/dma/xilinx_axidma.c - rx stream "dma" links are set using set_link, therefore they need unref - tx streams are set using set_link, therefore they need unref * hw/net/xilinx_axienet.c - same reasoning as hw/dma/xilinx_axidma.c * hw/pcmcia/pxa2xx.c - pxa2xx bypasses set_link and therefore does not use refcounts * hw/s390x/s390-virtio-bus.c * hw/virtio/virtio-pci.c * hw/virtio/virtio-rng.c * ui/console.c - set_link is used and there is no explicit unref, do unref Cc: Peter Crosthwaite <peter.crosthwaite@petalogix.com> Cc: Alexander Graf <agraf@suse.de> Cc: Anthony Liguori <aliguori@amazon.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-19qom: Don't make link NULL on object_property_set_link() failureStefan Hajnoczi1-14/+15
The error behavior of object_property_set_link() is dangerous. It sets the link property object to NULL if an error occurs. A setter function should either succeed or fail, it shouldn't leave the value NULL on failure. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-19qom: Split object_property_set_link()Stefan Hajnoczi1-20/+40
The path resolution logic in object_property_set_link() should be a separate function. This makes the code easier to read and maintain. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move tb_jmp_cache field from CPU_COMMON to CPUStateAndreas Färber1-0/+1
Clear it on reset. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move icount_decr field from CPU_COMMON to CPUStateAndreas Färber1-0/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move icount_extra field from CPU_COMMON to CPUStateAndreas Färber1-0/+1
Reset it. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move can_do_io field from CPU_COMMON to CPUStateAndreas Färber1-0/+1
Rename can_do_io() to cpu_can_do_io() and change argument to CPUState. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move mem_io_{pc,vaddr} fields from CPU_COMMON to CPUStateAndreas Färber1-0/+2
Reset them. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Factor out cpu_generic_init()Andreas Färber1-0/+41
All targets using it gain the ability to set -cpu name,key=value,... options via the default TYPE_CPU CPUClass::parse_features() implementation. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Implement CPUClass::parse_features() for the rest of CPUsAndreas Färber1-1/+30
CPUs who do not provide their own implementation of feature parsing will treat each option as a QOM property and set it to the supplied value. Signed-off-by: Andreas Färber <afaerber@suse.de>
generated by cgit v1.1 at 2024-12-24 12:36:22 +0000