131 lines
3.8 KiB
C
131 lines
3.8 KiB
C
/*
|
|
* QEMU System Emulator, accelerator interfaces
|
|
*
|
|
* Copyright (c) 2003-2008 Fabrice Bellard
|
|
* Copyright (c) 2014 Red Hat Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
/* Modified for Unicorn Engine by Nguyen Anh Quynh, 2015 */
|
|
|
|
#include "sysemu/accel.h"
|
|
#include "hw/boards.h"
|
|
#include "qemu-common.h"
|
|
#include "sysemu/sysemu.h"
|
|
#include "qom/object.h"
|
|
#include "hw/boards.h"
|
|
|
|
// use default size for TCG translated block
|
|
#define TCG_TB_SIZE 0
|
|
|
|
static bool tcg_allowed = true;
|
|
static int tcg_init(MachineState *ms);
|
|
static AccelClass *accel_find(struct uc_struct *uc, const char *opt_name);
|
|
static int accel_init_machine(AccelClass *acc, MachineState *ms);
|
|
static void tcg_accel_class_init(struct uc_struct *uc, ObjectClass *oc, void *data);
|
|
|
|
static int tcg_init(MachineState *ms)
|
|
{
|
|
ms->uc->tcg_exec_init(ms->uc, TCG_TB_SIZE * 1024 * 1024); // arch-dependent
|
|
return 0;
|
|
}
|
|
|
|
static const TypeInfo accel_type = {
|
|
TYPE_ACCEL,
|
|
TYPE_OBJECT,
|
|
sizeof(AccelClass),
|
|
sizeof(AccelState),
|
|
};
|
|
|
|
#define TYPE_TCG_ACCEL ACCEL_CLASS_NAME("tcg")
|
|
|
|
static const TypeInfo tcg_accel_type = {
|
|
TYPE_TCG_ACCEL,
|
|
TYPE_ACCEL,
|
|
0,
|
|
0,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
tcg_accel_class_init,
|
|
};
|
|
|
|
|
|
int configure_accelerator(MachineState *ms)
|
|
{
|
|
int ret;
|
|
bool accel_initialised = false;
|
|
AccelClass *acc;
|
|
|
|
acc = accel_find(ms->uc, "tcg");
|
|
ret = accel_init_machine(acc, ms);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "failed to initialize %s: %s\n",
|
|
acc->name,
|
|
strerror(-ret));
|
|
} else {
|
|
accel_initialised = true;
|
|
}
|
|
|
|
return !accel_initialised;
|
|
}
|
|
|
|
void register_accel_types(struct uc_struct *uc)
|
|
{
|
|
type_register_static(uc, &accel_type);
|
|
type_register_static(uc, &tcg_accel_type);
|
|
}
|
|
|
|
static void tcg_accel_class_init(struct uc_struct *uc, ObjectClass *oc, void *data)
|
|
{
|
|
AccelClass *ac = ACCEL_CLASS(uc, oc);
|
|
ac->name = "tcg";
|
|
ac->init_machine = tcg_init;
|
|
ac->allowed = &tcg_allowed;
|
|
}
|
|
|
|
/* Lookup AccelClass from opt_name. Returns NULL if not found */
|
|
static AccelClass *accel_find(struct uc_struct *uc, const char *opt_name)
|
|
{
|
|
char *class_name = g_strdup_printf(ACCEL_CLASS_NAME("%s"), opt_name);
|
|
AccelClass *ac = ACCEL_CLASS(uc, object_class_by_name(uc, class_name));
|
|
g_free(class_name);
|
|
return ac;
|
|
}
|
|
|
|
static int accel_init_machine(AccelClass *acc, MachineState *ms)
|
|
{
|
|
ObjectClass *oc = OBJECT_CLASS(acc);
|
|
const char *cname = object_class_get_name(oc);
|
|
AccelState *accel = ACCEL(ms->uc, object_new(ms->uc, cname));
|
|
int ret;
|
|
ms->accelerator = accel;
|
|
*(acc->allowed) = true;
|
|
ret = acc->init_machine(ms);
|
|
if (ret < 0) {
|
|
ms->accelerator = NULL;
|
|
*(acc->allowed) = false;
|
|
object_unref(ms->uc, OBJECT(accel));
|
|
}
|
|
return ret;
|
|
}
|