diff options
Diffstat (limited to 'accel')
| -rw-r--r-- | accel/tcg/tcg-all.c | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/accel/tcg/tcg-all.c b/accel/tcg/tcg-all.c index 7829f0227c..1dc384c8d2 100644 --- a/accel/tcg/tcg-all.c +++ b/accel/tcg/tcg-all.c @@ -34,11 +34,13 @@ #include "include/qapi/error.h" #include "include/qemu/error-report.h" #include "include/hw/boards.h" +#include "qapi/qapi-builtin-visit.h" typedef struct TCGState { AccelState parent_obj; bool mttcg_enabled; + unsigned long tb_size; } TCGState; #define TYPE_TCG_ACCEL ACCEL_CLASS_NAME("tcg") @@ -46,8 +48,6 @@ typedef struct TCGState { #define TCG_STATE(obj) \ OBJECT_CHECK(TCGState, (obj), TYPE_TCG_ACCEL) -unsigned long tcg_tb_size; - /* mask must never be zero, except for A20 change call */ static void tcg_handle_interrupt(CPUState *cpu, int mask) { @@ -126,7 +126,7 @@ static int tcg_init(MachineState *ms) { TCGState *s = TCG_STATE(current_machine->accelerator); - tcg_exec_init(tcg_tb_size * 1024 * 1024); + tcg_exec_init(s->tb_size * 1024 * 1024); cpu_interrupt_handler = tcg_handle_interrupt; mttcg_enabled = s->mttcg_enabled; return 0; @@ -167,6 +167,33 @@ static void tcg_set_thread(Object *obj, const char *value, Error **errp) } } +static void tcg_get_tb_size(Object *obj, Visitor *v, + const char *name, void *opaque, + Error **errp) +{ + TCGState *s = TCG_STATE(obj); + uint32_t value = s->tb_size; + + visit_type_uint32(v, name, &value, errp); +} + +static void tcg_set_tb_size(Object *obj, Visitor *v, + const char *name, void *opaque, + Error **errp) +{ + TCGState *s = TCG_STATE(obj); + Error *error = NULL; + uint32_t value; + + visit_type_uint32(v, name, &value, &error); + if (error) { + error_propagate(errp, error); + return; + } + + s->tb_size = value; +} + static void tcg_accel_class_init(ObjectClass *oc, void *data) { AccelClass *ac = ACCEL_CLASS(oc); @@ -178,6 +205,13 @@ static void tcg_accel_class_init(ObjectClass *oc, void *data) tcg_get_thread, tcg_set_thread, NULL); + + object_class_property_add(oc, "tb-size", "int", + tcg_get_tb_size, tcg_set_tb_size, + NULL, NULL, &error_abort); + object_class_property_set_description(oc, "tb-size", + "TCG translation block cache size", &error_abort); + } static const TypeInfo tcg_accel_type = { |