diff options
author | Andreas Färber <afaerber@suse.de> | 2013-01-21 18:26:21 +0100 |
---|---|---|
committer | Andreas Färber <afaerber@suse.de> | 2013-01-27 14:52:04 +0100 |
commit | 2b8c27549917b3e07fec5807dbd2b6528ceb4efa (patch) | |
tree | 20fca5c542c32daf4d8479114d76efdcd232f0a1 | |
parent | 2c728dfef56d468a6a80b4dacdfb7109220d2546 (diff) |
cpu: Add model resolution support to CPUClass
Introduce CPUClass::class_by_name and add a default implementation.
Hook up the alpha and ppc implementations.
Introduce a wrapper function cpu_class_by_name().
Signed-off-by: Andreas Färber <afaerber@suse.de>
-rw-r--r-- | include/qom/cpu.h | 15 | ||||
-rw-r--r-- | qom/cpu.c | 13 | ||||
-rw-r--r-- | target-alpha/cpu.c | 8 | ||||
-rw-r--r-- | target-ppc/translate_init.c | 2 |
4 files changed, 38 insertions, 0 deletions
diff --git a/include/qom/cpu.h b/include/qom/cpu.h index 773caf9fa1..8097692bde 100644 --- a/include/qom/cpu.h +++ b/include/qom/cpu.h @@ -40,6 +40,8 @@ typedef struct CPUState CPUState; /** * CPUClass: + * @class_by_name: Callback to map -cpu command line model name to an + * instantiatable CPU type. * @reset: Callback to reset the #CPUState to its initial state. * * Represents a CPU family or model. @@ -49,6 +51,8 @@ typedef struct CPUClass { DeviceClass parent_class; /*< public >*/ + ObjectClass *(*class_by_name)(const char *cpu_model); + void (*reset)(CPUState *cpu); } CPUClass; @@ -108,6 +112,17 @@ struct CPUState { void cpu_reset(CPUState *cpu); /** + * cpu_class_by_name: + * @typename: The CPU base type. + * @cpu_model: The model string without any parameters. + * + * Looks up a CPU #ObjectClass matching name @cpu_model. + * + * Returns: A #CPUClass or %NULL if not matching class is found. + */ +ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model); + +/** * qemu_cpu_has_work: * @cpu: The vCPU to check. * @@ -34,11 +34,24 @@ static void cpu_common_reset(CPUState *cpu) { } +ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model) +{ + CPUClass *cc = CPU_CLASS(object_class_by_name(typename)); + + return cc->class_by_name(cpu_model); +} + +static ObjectClass *cpu_common_class_by_name(const char *cpu_model) +{ + return NULL; +} + static void cpu_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); CPUClass *k = CPU_CLASS(klass); + k->class_by_name = cpu_common_class_by_name; k->reset = cpu_common_reset; dc->no_user = 1; } diff --git a/target-alpha/cpu.c b/target-alpha/cpu.c index 40e980933f..3ac0fde2cd 100644 --- a/target-alpha/cpu.c +++ b/target-alpha/cpu.c @@ -244,6 +244,13 @@ static void alpha_cpu_initfn(Object *obj) env->fen = 1; } +static void alpha_cpu_class_init(ObjectClass *oc, void *data) +{ + CPUClass *cc = CPU_CLASS(oc); + + cc->class_by_name = alpha_cpu_class_by_name; +} + static const TypeInfo alpha_cpu_type_info = { .name = TYPE_ALPHA_CPU, .parent = TYPE_CPU, @@ -251,6 +258,7 @@ static const TypeInfo alpha_cpu_type_info = { .instance_init = alpha_cpu_initfn, .abstract = true, .class_size = sizeof(AlphaCPUClass), + .class_init = alpha_cpu_class_init, }; static void alpha_cpu_register_types(void) diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c index 4f767c9751..e143af532a 100644 --- a/target-ppc/translate_init.c +++ b/target-ppc/translate_init.c @@ -10578,6 +10578,8 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data) pcc->parent_reset = cc->reset; cc->reset = ppc_cpu_reset; + + cc->class_by_name = ppc_cpu_class_by_name; } static const TypeInfo ppc_cpu_type_info = { |