103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/*
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* QEMU HAX support
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*
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* Copyright IBM, Corp. 2008
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* Red Hat, Inc. 2008
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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* Glauber Costa <gcosta@redhat.com>
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*
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* Copyright (c) 2011 Intel Corporation
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* Written by:
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* Jiang Yunhong<yunhong.jiang@intel.com>
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* Xin Xiaohui<xiaohui.xin@intel.com>
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* Zhang Xiantao<xiantao.zhang@intel.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#include "qemu/osdep.h"
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#include "qemu/error-report.h"
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#include "qemu/main-loop.h"
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#include "sysemu/runstate.h"
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#include "sysemu/cpus.h"
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#include "qemu/guest-random.h"
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#include "hax-accel-ops.h"
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static void *hax_cpu_thread_fn(void *arg)
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{
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CPUState *cpu = arg;
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int r;
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rcu_register_thread();
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qemu_mutex_lock_iothread();
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qemu_thread_get_self(cpu->thread);
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cpu->thread_id = qemu_get_thread_id();
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current_cpu = cpu;
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hax_init_vcpu(cpu);
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cpu_thread_signal_created(cpu);
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qemu_guest_random_seed_thread_part2(cpu->random_seed);
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do {
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if (cpu_can_run(cpu)) {
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r = hax_smp_cpu_exec(cpu);
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if (r == EXCP_DEBUG) {
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cpu_handle_guest_debug(cpu);
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}
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}
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qemu_wait_io_event(cpu);
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} while (!cpu->unplug || cpu_can_run(cpu));
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rcu_unregister_thread();
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return NULL;
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}
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static void hax_start_vcpu_thread(CPUState *cpu)
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{
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char thread_name[VCPU_THREAD_NAME_SIZE];
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cpu->thread = g_new0(QemuThread, 1);
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cpu->halt_cond = g_new0(QemuCond, 1);
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qemu_cond_init(cpu->halt_cond);
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snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/HAX",
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cpu->cpu_index);
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qemu_thread_create(cpu->thread, thread_name, hax_cpu_thread_fn,
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cpu, QEMU_THREAD_JOINABLE);
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#ifdef _WIN32
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cpu->hThread = qemu_thread_get_handle(cpu->thread);
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#endif
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}
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static void hax_accel_ops_class_init(ObjectClass *oc, void *data)
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{
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AccelOpsClass *ops = ACCEL_OPS_CLASS(oc);
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ops->create_vcpu_thread = hax_start_vcpu_thread;
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ops->kick_vcpu_thread = hax_kick_vcpu_thread;
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ops->synchronize_post_reset = hax_cpu_synchronize_post_reset;
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ops->synchronize_post_init = hax_cpu_synchronize_post_init;
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ops->synchronize_state = hax_cpu_synchronize_state;
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ops->synchronize_pre_loadvm = hax_cpu_synchronize_pre_loadvm;
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}
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static const TypeInfo hax_accel_ops_type = {
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.name = ACCEL_OPS_NAME("hax"),
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.parent = TYPE_ACCEL_OPS,
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.class_init = hax_accel_ops_class_init,
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.abstract = true,
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};
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static void hax_accel_ops_register_types(void)
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{
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type_register_static(&hax_accel_ops_type);
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}
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type_init(hax_accel_ops_register_types);
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