169e0a03cSPaolo Bonzini /* Copyright 2008 IBM Corporation 269e0a03cSPaolo Bonzini * 2008 Red Hat, Inc. 369e0a03cSPaolo Bonzini * Copyright 2011 Intel Corporation 469e0a03cSPaolo Bonzini * Copyright 2016 Veertu, Inc. 569e0a03cSPaolo Bonzini * Copyright 2017 The Android Open Source Project 669e0a03cSPaolo Bonzini * 769e0a03cSPaolo Bonzini * QEMU Hypervisor.framework support 869e0a03cSPaolo Bonzini * 969e0a03cSPaolo Bonzini * This program is free software; you can redistribute it and/or 1069e0a03cSPaolo Bonzini * modify it under the terms of version 2 of the GNU General Public 1169e0a03cSPaolo Bonzini * License as published by the Free Software Foundation. 1269e0a03cSPaolo Bonzini * 1369e0a03cSPaolo Bonzini * This program is distributed in the hope that it will be useful, 1469e0a03cSPaolo Bonzini * but WITHOUT ANY WARRANTY; without even the implied warranty of 1569e0a03cSPaolo Bonzini * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16e361a772SThomas Huth * General Public License for more details. 1769e0a03cSPaolo Bonzini * 18e361a772SThomas Huth * You should have received a copy of the GNU General Public License 19e361a772SThomas Huth * along with this program; if not, see <http://www.gnu.org/licenses/>. 20d781e24dSIzik Eidus * 21d781e24dSIzik Eidus * This file contain code under public domain from the hvdos project: 22d781e24dSIzik Eidus * https://github.com/mist64/hvdos 234d98a8e5SPaolo Bonzini * 244d98a8e5SPaolo Bonzini * Parts Copyright (c) 2011 NetApp, Inc. 254d98a8e5SPaolo Bonzini * All rights reserved. 264d98a8e5SPaolo Bonzini * 274d98a8e5SPaolo Bonzini * Redistribution and use in source and binary forms, with or without 284d98a8e5SPaolo Bonzini * modification, are permitted provided that the following conditions 294d98a8e5SPaolo Bonzini * are met: 304d98a8e5SPaolo Bonzini * 1. Redistributions of source code must retain the above copyright 314d98a8e5SPaolo Bonzini * notice, this list of conditions and the following disclaimer. 324d98a8e5SPaolo Bonzini * 2. Redistributions in binary form must reproduce the above copyright 334d98a8e5SPaolo Bonzini * notice, this list of conditions and the following disclaimer in the 344d98a8e5SPaolo Bonzini * documentation and/or other materials provided with the distribution. 354d98a8e5SPaolo Bonzini * 364d98a8e5SPaolo Bonzini * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 374d98a8e5SPaolo Bonzini * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 384d98a8e5SPaolo Bonzini * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 394d98a8e5SPaolo Bonzini * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 404d98a8e5SPaolo Bonzini * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 414d98a8e5SPaolo Bonzini * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 424d98a8e5SPaolo Bonzini * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 434d98a8e5SPaolo Bonzini * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 444d98a8e5SPaolo Bonzini * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 454d98a8e5SPaolo Bonzini * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 464d98a8e5SPaolo Bonzini * SUCH DAMAGE. 4769e0a03cSPaolo Bonzini */ 4854d31236SMarkus Armbruster 4969e0a03cSPaolo Bonzini #include "qemu/osdep.h" 5069e0a03cSPaolo Bonzini #include "qemu-common.h" 5169e0a03cSPaolo Bonzini #include "qemu/error-report.h" 5269e0a03cSPaolo Bonzini 5369e0a03cSPaolo Bonzini #include "sysemu/hvf.h" 54*d57bc3c1SAlexander Graf #include "sysemu/hvf_int.h" 5554d31236SMarkus Armbruster #include "sysemu/runstate.h" 5669e0a03cSPaolo Bonzini #include "hvf-i386.h" 5769e0a03cSPaolo Bonzini #include "vmcs.h" 5869e0a03cSPaolo Bonzini #include "vmx.h" 5969e0a03cSPaolo Bonzini #include "x86.h" 6069e0a03cSPaolo Bonzini #include "x86_descr.h" 6169e0a03cSPaolo Bonzini #include "x86_mmu.h" 6269e0a03cSPaolo Bonzini #include "x86_decode.h" 6369e0a03cSPaolo Bonzini #include "x86_emu.h" 6469e0a03cSPaolo Bonzini #include "x86_task.h" 6569e0a03cSPaolo Bonzini #include "x86hvf.h" 6669e0a03cSPaolo Bonzini 6769e0a03cSPaolo Bonzini #include <Hypervisor/hv.h> 6869e0a03cSPaolo Bonzini #include <Hypervisor/hv_vmx.h> 693b502b0eSVladislav Yaroshchuk #include <sys/sysctl.h> 7069e0a03cSPaolo Bonzini 7169e0a03cSPaolo Bonzini #include "hw/i386/apic_internal.h" 7269e0a03cSPaolo Bonzini #include "qemu/main-loop.h" 73940e43aaSClaudio Fontana #include "qemu/accel.h" 7469e0a03cSPaolo Bonzini #include "target/i386/cpu.h" 7569e0a03cSPaolo Bonzini 76b86f59c7SClaudio Fontana #include "hvf-accel-ops.h" 77b52bcba7SClaudio Fontana 7869e0a03cSPaolo Bonzini HVFState *hvf_state; 7969e0a03cSPaolo Bonzini 8069e0a03cSPaolo Bonzini /* Memory slots */ 81fbafbb6dSCameron Esfahani hvf_slot *hvf_find_overlap_slot(uint64_t start, uint64_t size) 8269e0a03cSPaolo Bonzini { 8369e0a03cSPaolo Bonzini hvf_slot *slot; 8469e0a03cSPaolo Bonzini int x; 8569e0a03cSPaolo Bonzini for (x = 0; x < hvf_state->num_slots; ++x) { 8669e0a03cSPaolo Bonzini slot = &hvf_state->slots[x]; 8769e0a03cSPaolo Bonzini if (slot->size && start < (slot->start + slot->size) && 88fbafbb6dSCameron Esfahani (start + size) > slot->start) { 8969e0a03cSPaolo Bonzini return slot; 9069e0a03cSPaolo Bonzini } 9169e0a03cSPaolo Bonzini } 9269e0a03cSPaolo Bonzini return NULL; 9369e0a03cSPaolo Bonzini } 9469e0a03cSPaolo Bonzini 9569e0a03cSPaolo Bonzini struct mac_slot { 9669e0a03cSPaolo Bonzini int present; 9769e0a03cSPaolo Bonzini uint64_t size; 9869e0a03cSPaolo Bonzini uint64_t gpa_start; 9969e0a03cSPaolo Bonzini uint64_t gva; 10069e0a03cSPaolo Bonzini }; 10169e0a03cSPaolo Bonzini 10269e0a03cSPaolo Bonzini struct mac_slot mac_slots[32]; 10369e0a03cSPaolo Bonzini 104fbafbb6dSCameron Esfahani static int do_hvf_set_memory(hvf_slot *slot, hv_memory_flags_t flags) 10569e0a03cSPaolo Bonzini { 10669e0a03cSPaolo Bonzini struct mac_slot *macslot; 10769e0a03cSPaolo Bonzini hv_return_t ret; 10869e0a03cSPaolo Bonzini 10969e0a03cSPaolo Bonzini macslot = &mac_slots[slot->slot_id]; 11069e0a03cSPaolo Bonzini 11169e0a03cSPaolo Bonzini if (macslot->present) { 11269e0a03cSPaolo Bonzini if (macslot->size != slot->size) { 11369e0a03cSPaolo Bonzini macslot->present = 0; 11469e0a03cSPaolo Bonzini ret = hv_vm_unmap(macslot->gpa_start, macslot->size); 11569e0a03cSPaolo Bonzini assert_hvf_ok(ret); 11669e0a03cSPaolo Bonzini } 11769e0a03cSPaolo Bonzini } 11869e0a03cSPaolo Bonzini 11969e0a03cSPaolo Bonzini if (!slot->size) { 12069e0a03cSPaolo Bonzini return 0; 12169e0a03cSPaolo Bonzini } 12269e0a03cSPaolo Bonzini 12369e0a03cSPaolo Bonzini macslot->present = 1; 12469e0a03cSPaolo Bonzini macslot->gpa_start = slot->start; 12569e0a03cSPaolo Bonzini macslot->size = slot->size; 12669e0a03cSPaolo Bonzini ret = hv_vm_map((hv_uvaddr_t)slot->mem, slot->start, slot->size, flags); 12769e0a03cSPaolo Bonzini assert_hvf_ok(ret); 12869e0a03cSPaolo Bonzini return 0; 12969e0a03cSPaolo Bonzini } 13069e0a03cSPaolo Bonzini 13169e0a03cSPaolo Bonzini void hvf_set_phys_mem(MemoryRegionSection *section, bool add) 13269e0a03cSPaolo Bonzini { 13369e0a03cSPaolo Bonzini hvf_slot *mem; 13469e0a03cSPaolo Bonzini MemoryRegion *area = section->mr; 135fbafbb6dSCameron Esfahani bool writeable = !area->readonly && !area->rom_device; 136fbafbb6dSCameron Esfahani hv_memory_flags_t flags; 13769e0a03cSPaolo Bonzini 13869e0a03cSPaolo Bonzini if (!memory_region_is_ram(area)) { 139fbafbb6dSCameron Esfahani if (writeable) { 14069e0a03cSPaolo Bonzini return; 141fbafbb6dSCameron Esfahani } else if (!memory_region_is_romd(area)) { 142fbafbb6dSCameron Esfahani /* 143fbafbb6dSCameron Esfahani * If the memory device is not in romd_mode, then we actually want 144fbafbb6dSCameron Esfahani * to remove the hvf memory slot so all accesses will trap. 145fbafbb6dSCameron Esfahani */ 146fbafbb6dSCameron Esfahani add = false; 147fbafbb6dSCameron Esfahani } 14869e0a03cSPaolo Bonzini } 14969e0a03cSPaolo Bonzini 15069e0a03cSPaolo Bonzini mem = hvf_find_overlap_slot( 15169e0a03cSPaolo Bonzini section->offset_within_address_space, 152fbafbb6dSCameron Esfahani int128_get64(section->size)); 15369e0a03cSPaolo Bonzini 15469e0a03cSPaolo Bonzini if (mem && add) { 15569e0a03cSPaolo Bonzini if (mem->size == int128_get64(section->size) && 15669e0a03cSPaolo Bonzini mem->start == section->offset_within_address_space && 15769e0a03cSPaolo Bonzini mem->mem == (memory_region_get_ram_ptr(area) + 15869e0a03cSPaolo Bonzini section->offset_within_region)) { 15969e0a03cSPaolo Bonzini return; /* Same region was attempted to register, go away. */ 16069e0a03cSPaolo Bonzini } 16169e0a03cSPaolo Bonzini } 16269e0a03cSPaolo Bonzini 16369e0a03cSPaolo Bonzini /* Region needs to be reset. set the size to 0 and remap it. */ 16469e0a03cSPaolo Bonzini if (mem) { 16569e0a03cSPaolo Bonzini mem->size = 0; 166fbafbb6dSCameron Esfahani if (do_hvf_set_memory(mem, 0)) { 1672d9178d9SLaurent Vivier error_report("Failed to reset overlapping slot"); 16869e0a03cSPaolo Bonzini abort(); 16969e0a03cSPaolo Bonzini } 17069e0a03cSPaolo Bonzini } 17169e0a03cSPaolo Bonzini 17269e0a03cSPaolo Bonzini if (!add) { 17369e0a03cSPaolo Bonzini return; 17469e0a03cSPaolo Bonzini } 17569e0a03cSPaolo Bonzini 176fbafbb6dSCameron Esfahani if (area->readonly || 177fbafbb6dSCameron Esfahani (!memory_region_is_ram(area) && memory_region_is_romd(area))) { 178fbafbb6dSCameron Esfahani flags = HV_MEMORY_READ | HV_MEMORY_EXEC; 179fbafbb6dSCameron Esfahani } else { 180fbafbb6dSCameron Esfahani flags = HV_MEMORY_READ | HV_MEMORY_WRITE | HV_MEMORY_EXEC; 181fbafbb6dSCameron Esfahani } 182fbafbb6dSCameron Esfahani 18369e0a03cSPaolo Bonzini /* Now make a new slot. */ 18469e0a03cSPaolo Bonzini int x; 18569e0a03cSPaolo Bonzini 18669e0a03cSPaolo Bonzini for (x = 0; x < hvf_state->num_slots; ++x) { 18769e0a03cSPaolo Bonzini mem = &hvf_state->slots[x]; 18869e0a03cSPaolo Bonzini if (!mem->size) { 18969e0a03cSPaolo Bonzini break; 19069e0a03cSPaolo Bonzini } 19169e0a03cSPaolo Bonzini } 19269e0a03cSPaolo Bonzini 19369e0a03cSPaolo Bonzini if (x == hvf_state->num_slots) { 1942d9178d9SLaurent Vivier error_report("No free slots"); 19569e0a03cSPaolo Bonzini abort(); 19669e0a03cSPaolo Bonzini } 19769e0a03cSPaolo Bonzini 19869e0a03cSPaolo Bonzini mem->size = int128_get64(section->size); 19969e0a03cSPaolo Bonzini mem->mem = memory_region_get_ram_ptr(area) + section->offset_within_region; 20069e0a03cSPaolo Bonzini mem->start = section->offset_within_address_space; 20169e0a03cSPaolo Bonzini mem->region = area; 20269e0a03cSPaolo Bonzini 203fbafbb6dSCameron Esfahani if (do_hvf_set_memory(mem, flags)) { 2042d9178d9SLaurent Vivier error_report("Error registering new memory slot"); 20569e0a03cSPaolo Bonzini abort(); 20669e0a03cSPaolo Bonzini } 20769e0a03cSPaolo Bonzini } 20869e0a03cSPaolo Bonzini 20969e0a03cSPaolo Bonzini void vmx_update_tpr(CPUState *cpu) 21069e0a03cSPaolo Bonzini { 21169e0a03cSPaolo Bonzini /* TODO: need integrate APIC handling */ 21269e0a03cSPaolo Bonzini X86CPU *x86_cpu = X86_CPU(cpu); 21369e0a03cSPaolo Bonzini int tpr = cpu_get_apic_tpr(x86_cpu->apic_state) << 4; 21469e0a03cSPaolo Bonzini int irr = apic_get_highest_priority_irr(x86_cpu->apic_state); 21569e0a03cSPaolo Bonzini 21669e0a03cSPaolo Bonzini wreg(cpu->hvf_fd, HV_X86_TPR, tpr); 21769e0a03cSPaolo Bonzini if (irr == -1) { 21869e0a03cSPaolo Bonzini wvmcs(cpu->hvf_fd, VMCS_TPR_THRESHOLD, 0); 21969e0a03cSPaolo Bonzini } else { 22069e0a03cSPaolo Bonzini wvmcs(cpu->hvf_fd, VMCS_TPR_THRESHOLD, (irr > tpr) ? tpr >> 4 : 22169e0a03cSPaolo Bonzini irr >> 4); 22269e0a03cSPaolo Bonzini } 22369e0a03cSPaolo Bonzini } 22469e0a03cSPaolo Bonzini 225583ae161SRoman Bolshakov static void update_apic_tpr(CPUState *cpu) 22669e0a03cSPaolo Bonzini { 22769e0a03cSPaolo Bonzini X86CPU *x86_cpu = X86_CPU(cpu); 22869e0a03cSPaolo Bonzini int tpr = rreg(cpu->hvf_fd, HV_X86_TPR) >> 4; 22969e0a03cSPaolo Bonzini cpu_set_apic_tpr(x86_cpu->apic_state, tpr); 23069e0a03cSPaolo Bonzini } 23169e0a03cSPaolo Bonzini 23269e0a03cSPaolo Bonzini #define VECTORING_INFO_VECTOR_MASK 0xff 23369e0a03cSPaolo Bonzini 23469e0a03cSPaolo Bonzini void hvf_handle_io(CPUArchState *env, uint16_t port, void *buffer, 23569e0a03cSPaolo Bonzini int direction, int size, int count) 23669e0a03cSPaolo Bonzini { 23769e0a03cSPaolo Bonzini int i; 23869e0a03cSPaolo Bonzini uint8_t *ptr = buffer; 23969e0a03cSPaolo Bonzini 24069e0a03cSPaolo Bonzini for (i = 0; i < count; i++) { 24169e0a03cSPaolo Bonzini address_space_rw(&address_space_io, port, MEMTXATTRS_UNSPECIFIED, 24269e0a03cSPaolo Bonzini ptr, size, 24369e0a03cSPaolo Bonzini direction); 24469e0a03cSPaolo Bonzini ptr += size; 24569e0a03cSPaolo Bonzini } 24669e0a03cSPaolo Bonzini } 24769e0a03cSPaolo Bonzini 24869e0a03cSPaolo Bonzini static void do_hvf_cpu_synchronize_state(CPUState *cpu, run_on_cpu_data arg) 24969e0a03cSPaolo Bonzini { 250eae009deSRoman Bolshakov if (!cpu->vcpu_dirty) { 251eae009deSRoman Bolshakov hvf_get_registers(cpu); 252eae009deSRoman Bolshakov cpu->vcpu_dirty = true; 253eae009deSRoman Bolshakov } 25469e0a03cSPaolo Bonzini } 25569e0a03cSPaolo Bonzini 256eae009deSRoman Bolshakov void hvf_cpu_synchronize_state(CPUState *cpu) 25769e0a03cSPaolo Bonzini { 258eae009deSRoman Bolshakov if (!cpu->vcpu_dirty) { 259eae009deSRoman Bolshakov run_on_cpu(cpu, do_hvf_cpu_synchronize_state, RUN_ON_CPU_NULL); 26069e0a03cSPaolo Bonzini } 26169e0a03cSPaolo Bonzini } 26269e0a03cSPaolo Bonzini 263eae009deSRoman Bolshakov static void do_hvf_cpu_synchronize_post_reset(CPUState *cpu, 264eae009deSRoman Bolshakov run_on_cpu_data arg) 26569e0a03cSPaolo Bonzini { 266eae009deSRoman Bolshakov hvf_put_registers(cpu); 267eae009deSRoman Bolshakov cpu->vcpu_dirty = false; 26869e0a03cSPaolo Bonzini } 26969e0a03cSPaolo Bonzini 270eae009deSRoman Bolshakov void hvf_cpu_synchronize_post_reset(CPUState *cpu) 27169e0a03cSPaolo Bonzini { 272eae009deSRoman Bolshakov run_on_cpu(cpu, do_hvf_cpu_synchronize_post_reset, RUN_ON_CPU_NULL); 27369e0a03cSPaolo Bonzini } 27469e0a03cSPaolo Bonzini 275583ae161SRoman Bolshakov static void do_hvf_cpu_synchronize_post_init(CPUState *cpu, 276583ae161SRoman Bolshakov run_on_cpu_data arg) 27769e0a03cSPaolo Bonzini { 278eae009deSRoman Bolshakov hvf_put_registers(cpu); 279eae009deSRoman Bolshakov cpu->vcpu_dirty = false; 28069e0a03cSPaolo Bonzini } 28169e0a03cSPaolo Bonzini 282eae009deSRoman Bolshakov void hvf_cpu_synchronize_post_init(CPUState *cpu) 28369e0a03cSPaolo Bonzini { 284eae009deSRoman Bolshakov run_on_cpu(cpu, do_hvf_cpu_synchronize_post_init, RUN_ON_CPU_NULL); 28569e0a03cSPaolo Bonzini } 28669e0a03cSPaolo Bonzini 2875536c98eSRoman Bolshakov static void do_hvf_cpu_synchronize_pre_loadvm(CPUState *cpu, 2885536c98eSRoman Bolshakov run_on_cpu_data arg) 2895536c98eSRoman Bolshakov { 2905536c98eSRoman Bolshakov cpu->vcpu_dirty = true; 2915536c98eSRoman Bolshakov } 2925536c98eSRoman Bolshakov 2935536c98eSRoman Bolshakov void hvf_cpu_synchronize_pre_loadvm(CPUState *cpu) 2945536c98eSRoman Bolshakov { 2955536c98eSRoman Bolshakov run_on_cpu(cpu, do_hvf_cpu_synchronize_pre_loadvm, RUN_ON_CPU_NULL); 2965536c98eSRoman Bolshakov } 2975536c98eSRoman Bolshakov 298ff2de166SPaolo Bonzini static bool ept_emulation_fault(hvf_slot *slot, uint64_t gpa, uint64_t ept_qual) 29969e0a03cSPaolo Bonzini { 30069e0a03cSPaolo Bonzini int read, write; 30169e0a03cSPaolo Bonzini 30269e0a03cSPaolo Bonzini /* EPT fault on an instruction fetch doesn't make sense here */ 30369e0a03cSPaolo Bonzini if (ept_qual & EPT_VIOLATION_INST_FETCH) { 30469e0a03cSPaolo Bonzini return false; 30569e0a03cSPaolo Bonzini } 30669e0a03cSPaolo Bonzini 30769e0a03cSPaolo Bonzini /* EPT fault must be a read fault or a write fault */ 30869e0a03cSPaolo Bonzini read = ept_qual & EPT_VIOLATION_DATA_READ ? 1 : 0; 30969e0a03cSPaolo Bonzini write = ept_qual & EPT_VIOLATION_DATA_WRITE ? 1 : 0; 31069e0a03cSPaolo Bonzini if ((read | write) == 0) { 31169e0a03cSPaolo Bonzini return false; 31269e0a03cSPaolo Bonzini } 31369e0a03cSPaolo Bonzini 31469e0a03cSPaolo Bonzini if (write && slot) { 31569e0a03cSPaolo Bonzini if (slot->flags & HVF_SLOT_LOG) { 31669e0a03cSPaolo Bonzini memory_region_set_dirty(slot->region, gpa - slot->start, 1); 31769e0a03cSPaolo Bonzini hv_vm_protect((hv_gpaddr_t)slot->start, (size_t)slot->size, 31869e0a03cSPaolo Bonzini HV_MEMORY_READ | HV_MEMORY_WRITE); 31969e0a03cSPaolo Bonzini } 32069e0a03cSPaolo Bonzini } 32169e0a03cSPaolo Bonzini 32269e0a03cSPaolo Bonzini /* 32369e0a03cSPaolo Bonzini * The EPT violation must have been caused by accessing a 32469e0a03cSPaolo Bonzini * guest-physical address that is a translation of a guest-linear 32569e0a03cSPaolo Bonzini * address. 32669e0a03cSPaolo Bonzini */ 32769e0a03cSPaolo Bonzini if ((ept_qual & EPT_VIOLATION_GLA_VALID) == 0 || 32869e0a03cSPaolo Bonzini (ept_qual & EPT_VIOLATION_XLAT_VALID) == 0) { 32969e0a03cSPaolo Bonzini return false; 33069e0a03cSPaolo Bonzini } 33169e0a03cSPaolo Bonzini 332fbafbb6dSCameron Esfahani if (!slot) { 333fbafbb6dSCameron Esfahani return true; 334fbafbb6dSCameron Esfahani } 335fbafbb6dSCameron Esfahani if (!memory_region_is_ram(slot->region) && 336fbafbb6dSCameron Esfahani !(read && memory_region_is_romd(slot->region))) { 337fbafbb6dSCameron Esfahani return true; 338fbafbb6dSCameron Esfahani } 339fbafbb6dSCameron Esfahani return false; 34069e0a03cSPaolo Bonzini } 34169e0a03cSPaolo Bonzini 34269e0a03cSPaolo Bonzini static void hvf_set_dirty_tracking(MemoryRegionSection *section, bool on) 34369e0a03cSPaolo Bonzini { 34469e0a03cSPaolo Bonzini hvf_slot *slot; 34569e0a03cSPaolo Bonzini 34669e0a03cSPaolo Bonzini slot = hvf_find_overlap_slot( 34769e0a03cSPaolo Bonzini section->offset_within_address_space, 348fbafbb6dSCameron Esfahani int128_get64(section->size)); 34969e0a03cSPaolo Bonzini 35069e0a03cSPaolo Bonzini /* protect region against writes; begin tracking it */ 35169e0a03cSPaolo Bonzini if (on) { 35269e0a03cSPaolo Bonzini slot->flags |= HVF_SLOT_LOG; 35369e0a03cSPaolo Bonzini hv_vm_protect((hv_gpaddr_t)slot->start, (size_t)slot->size, 35469e0a03cSPaolo Bonzini HV_MEMORY_READ); 35569e0a03cSPaolo Bonzini /* stop tracking region*/ 35669e0a03cSPaolo Bonzini } else { 35769e0a03cSPaolo Bonzini slot->flags &= ~HVF_SLOT_LOG; 35869e0a03cSPaolo Bonzini hv_vm_protect((hv_gpaddr_t)slot->start, (size_t)slot->size, 35969e0a03cSPaolo Bonzini HV_MEMORY_READ | HV_MEMORY_WRITE); 36069e0a03cSPaolo Bonzini } 36169e0a03cSPaolo Bonzini } 36269e0a03cSPaolo Bonzini 36369e0a03cSPaolo Bonzini static void hvf_log_start(MemoryListener *listener, 36469e0a03cSPaolo Bonzini MemoryRegionSection *section, int old, int new) 36569e0a03cSPaolo Bonzini { 36669e0a03cSPaolo Bonzini if (old != 0) { 36769e0a03cSPaolo Bonzini return; 36869e0a03cSPaolo Bonzini } 36969e0a03cSPaolo Bonzini 37069e0a03cSPaolo Bonzini hvf_set_dirty_tracking(section, 1); 37169e0a03cSPaolo Bonzini } 37269e0a03cSPaolo Bonzini 37369e0a03cSPaolo Bonzini static void hvf_log_stop(MemoryListener *listener, 37469e0a03cSPaolo Bonzini MemoryRegionSection *section, int old, int new) 37569e0a03cSPaolo Bonzini { 37669e0a03cSPaolo Bonzini if (new != 0) { 37769e0a03cSPaolo Bonzini return; 37869e0a03cSPaolo Bonzini } 37969e0a03cSPaolo Bonzini 38069e0a03cSPaolo Bonzini hvf_set_dirty_tracking(section, 0); 38169e0a03cSPaolo Bonzini } 38269e0a03cSPaolo Bonzini 38369e0a03cSPaolo Bonzini static void hvf_log_sync(MemoryListener *listener, 38469e0a03cSPaolo Bonzini MemoryRegionSection *section) 38569e0a03cSPaolo Bonzini { 38669e0a03cSPaolo Bonzini /* 38769e0a03cSPaolo Bonzini * sync of dirty pages is handled elsewhere; just make sure we keep 38869e0a03cSPaolo Bonzini * tracking the region. 38969e0a03cSPaolo Bonzini */ 39069e0a03cSPaolo Bonzini hvf_set_dirty_tracking(section, 1); 39169e0a03cSPaolo Bonzini } 39269e0a03cSPaolo Bonzini 39369e0a03cSPaolo Bonzini static void hvf_region_add(MemoryListener *listener, 39469e0a03cSPaolo Bonzini MemoryRegionSection *section) 39569e0a03cSPaolo Bonzini { 39669e0a03cSPaolo Bonzini hvf_set_phys_mem(section, true); 39769e0a03cSPaolo Bonzini } 39869e0a03cSPaolo Bonzini 39969e0a03cSPaolo Bonzini static void hvf_region_del(MemoryListener *listener, 40069e0a03cSPaolo Bonzini MemoryRegionSection *section) 40169e0a03cSPaolo Bonzini { 40269e0a03cSPaolo Bonzini hvf_set_phys_mem(section, false); 40369e0a03cSPaolo Bonzini } 40469e0a03cSPaolo Bonzini 40569e0a03cSPaolo Bonzini static MemoryListener hvf_memory_listener = { 40669e0a03cSPaolo Bonzini .priority = 10, 40769e0a03cSPaolo Bonzini .region_add = hvf_region_add, 40869e0a03cSPaolo Bonzini .region_del = hvf_region_del, 40969e0a03cSPaolo Bonzini .log_start = hvf_log_start, 41069e0a03cSPaolo Bonzini .log_stop = hvf_log_stop, 41169e0a03cSPaolo Bonzini .log_sync = hvf_log_sync, 41269e0a03cSPaolo Bonzini }; 41369e0a03cSPaolo Bonzini 41469e0a03cSPaolo Bonzini void hvf_vcpu_destroy(CPUState *cpu) 41569e0a03cSPaolo Bonzini { 416fe76b09cSRoman Bolshakov X86CPU *x86_cpu = X86_CPU(cpu); 417fe76b09cSRoman Bolshakov CPUX86State *env = &x86_cpu->env; 418fe76b09cSRoman Bolshakov 41969e0a03cSPaolo Bonzini hv_return_t ret = hv_vcpu_destroy((hv_vcpuid_t)cpu->hvf_fd); 420fe76b09cSRoman Bolshakov g_free(env->hvf_mmio_buf); 42169e0a03cSPaolo Bonzini assert_hvf_ok(ret); 42269e0a03cSPaolo Bonzini } 42369e0a03cSPaolo Bonzini 42469e0a03cSPaolo Bonzini static void dummy_signal(int sig) 42569e0a03cSPaolo Bonzini { 42669e0a03cSPaolo Bonzini } 42769e0a03cSPaolo Bonzini 4283b502b0eSVladislav Yaroshchuk static void init_tsc_freq(CPUX86State *env) 4293b502b0eSVladislav Yaroshchuk { 4303b502b0eSVladislav Yaroshchuk size_t length; 4313b502b0eSVladislav Yaroshchuk uint64_t tsc_freq; 4323b502b0eSVladislav Yaroshchuk 4333b502b0eSVladislav Yaroshchuk if (env->tsc_khz != 0) { 4343b502b0eSVladislav Yaroshchuk return; 4353b502b0eSVladislav Yaroshchuk } 4363b502b0eSVladislav Yaroshchuk 4373b502b0eSVladislav Yaroshchuk length = sizeof(uint64_t); 4383b502b0eSVladislav Yaroshchuk if (sysctlbyname("machdep.tsc.frequency", &tsc_freq, &length, NULL, 0)) { 4393b502b0eSVladislav Yaroshchuk return; 4403b502b0eSVladislav Yaroshchuk } 4413b502b0eSVladislav Yaroshchuk env->tsc_khz = tsc_freq / 1000; /* Hz to KHz */ 4423b502b0eSVladislav Yaroshchuk } 4433b502b0eSVladislav Yaroshchuk 4443b502b0eSVladislav Yaroshchuk static void init_apic_bus_freq(CPUX86State *env) 4453b502b0eSVladislav Yaroshchuk { 4463b502b0eSVladislav Yaroshchuk size_t length; 4473b502b0eSVladislav Yaroshchuk uint64_t bus_freq; 4483b502b0eSVladislav Yaroshchuk 4493b502b0eSVladislav Yaroshchuk if (env->apic_bus_freq != 0) { 4503b502b0eSVladislav Yaroshchuk return; 4513b502b0eSVladislav Yaroshchuk } 4523b502b0eSVladislav Yaroshchuk 4533b502b0eSVladislav Yaroshchuk length = sizeof(uint64_t); 4543b502b0eSVladislav Yaroshchuk if (sysctlbyname("hw.busfrequency", &bus_freq, &length, NULL, 0)) { 4553b502b0eSVladislav Yaroshchuk return; 4563b502b0eSVladislav Yaroshchuk } 4573b502b0eSVladislav Yaroshchuk env->apic_bus_freq = bus_freq; 4583b502b0eSVladislav Yaroshchuk } 4593b502b0eSVladislav Yaroshchuk 4603b502b0eSVladislav Yaroshchuk static inline bool tsc_is_known(CPUX86State *env) 4613b502b0eSVladislav Yaroshchuk { 4623b502b0eSVladislav Yaroshchuk return env->tsc_khz != 0; 4633b502b0eSVladislav Yaroshchuk } 4643b502b0eSVladislav Yaroshchuk 4653b502b0eSVladislav Yaroshchuk static inline bool apic_bus_freq_is_known(CPUX86State *env) 4663b502b0eSVladislav Yaroshchuk { 4673b502b0eSVladislav Yaroshchuk return env->apic_bus_freq != 0; 4683b502b0eSVladislav Yaroshchuk } 4693b502b0eSVladislav Yaroshchuk 47069e0a03cSPaolo Bonzini int hvf_init_vcpu(CPUState *cpu) 47169e0a03cSPaolo Bonzini { 47269e0a03cSPaolo Bonzini 47369e0a03cSPaolo Bonzini X86CPU *x86cpu = X86_CPU(cpu); 47469e0a03cSPaolo Bonzini CPUX86State *env = &x86cpu->env; 47569e0a03cSPaolo Bonzini int r; 47669e0a03cSPaolo Bonzini 47769e0a03cSPaolo Bonzini /* init cpu signals */ 47869e0a03cSPaolo Bonzini sigset_t set; 47969e0a03cSPaolo Bonzini struct sigaction sigact; 48069e0a03cSPaolo Bonzini 48169e0a03cSPaolo Bonzini memset(&sigact, 0, sizeof(sigact)); 48269e0a03cSPaolo Bonzini sigact.sa_handler = dummy_signal; 48369e0a03cSPaolo Bonzini sigaction(SIG_IPI, &sigact, NULL); 48469e0a03cSPaolo Bonzini 48569e0a03cSPaolo Bonzini pthread_sigmask(SIG_BLOCK, NULL, &set); 48669e0a03cSPaolo Bonzini sigdelset(&set, SIG_IPI); 48769e0a03cSPaolo Bonzini 48869e0a03cSPaolo Bonzini init_emu(); 48969e0a03cSPaolo Bonzini init_decoder(); 49069e0a03cSPaolo Bonzini 49169e0a03cSPaolo Bonzini hvf_state->hvf_caps = g_new0(struct hvf_vcpu_caps, 1); 492fe76b09cSRoman Bolshakov env->hvf_mmio_buf = g_new(char, 4096); 49369e0a03cSPaolo Bonzini 4943b502b0eSVladislav Yaroshchuk if (x86cpu->vmware_cpuid_freq) { 4953b502b0eSVladislav Yaroshchuk init_tsc_freq(env); 4963b502b0eSVladislav Yaroshchuk init_apic_bus_freq(env); 4973b502b0eSVladislav Yaroshchuk 4983b502b0eSVladislav Yaroshchuk if (!tsc_is_known(env) || !apic_bus_freq_is_known(env)) { 4993b502b0eSVladislav Yaroshchuk error_report("vmware-cpuid-freq: feature couldn't be enabled"); 5003b502b0eSVladislav Yaroshchuk } 5013b502b0eSVladislav Yaroshchuk } 5023b502b0eSVladislav Yaroshchuk 50369e0a03cSPaolo Bonzini r = hv_vcpu_create((hv_vcpuid_t *)&cpu->hvf_fd, HV_VCPU_DEFAULT); 50469e0a03cSPaolo Bonzini cpu->vcpu_dirty = 1; 50569e0a03cSPaolo Bonzini assert_hvf_ok(r); 50669e0a03cSPaolo Bonzini 50769e0a03cSPaolo Bonzini if (hv_vmx_read_capability(HV_VMX_CAP_PINBASED, 50869e0a03cSPaolo Bonzini &hvf_state->hvf_caps->vmx_cap_pinbased)) { 50969e0a03cSPaolo Bonzini abort(); 51069e0a03cSPaolo Bonzini } 51169e0a03cSPaolo Bonzini if (hv_vmx_read_capability(HV_VMX_CAP_PROCBASED, 51269e0a03cSPaolo Bonzini &hvf_state->hvf_caps->vmx_cap_procbased)) { 51369e0a03cSPaolo Bonzini abort(); 51469e0a03cSPaolo Bonzini } 51569e0a03cSPaolo Bonzini if (hv_vmx_read_capability(HV_VMX_CAP_PROCBASED2, 51669e0a03cSPaolo Bonzini &hvf_state->hvf_caps->vmx_cap_procbased2)) { 51769e0a03cSPaolo Bonzini abort(); 51869e0a03cSPaolo Bonzini } 51969e0a03cSPaolo Bonzini if (hv_vmx_read_capability(HV_VMX_CAP_ENTRY, 52069e0a03cSPaolo Bonzini &hvf_state->hvf_caps->vmx_cap_entry)) { 52169e0a03cSPaolo Bonzini abort(); 52269e0a03cSPaolo Bonzini } 52369e0a03cSPaolo Bonzini 52469e0a03cSPaolo Bonzini /* set VMCS control fields */ 52569e0a03cSPaolo Bonzini wvmcs(cpu->hvf_fd, VMCS_PIN_BASED_CTLS, 52669e0a03cSPaolo Bonzini cap2ctrl(hvf_state->hvf_caps->vmx_cap_pinbased, 52769e0a03cSPaolo Bonzini VMCS_PIN_BASED_CTLS_EXTINT | 52869e0a03cSPaolo Bonzini VMCS_PIN_BASED_CTLS_NMI | 52969e0a03cSPaolo Bonzini VMCS_PIN_BASED_CTLS_VNMI)); 53069e0a03cSPaolo Bonzini wvmcs(cpu->hvf_fd, VMCS_PRI_PROC_BASED_CTLS, 53169e0a03cSPaolo Bonzini cap2ctrl(hvf_state->hvf_caps->vmx_cap_procbased, 53269e0a03cSPaolo Bonzini VMCS_PRI_PROC_BASED_CTLS_HLT | 53369e0a03cSPaolo Bonzini VMCS_PRI_PROC_BASED_CTLS_MWAIT | 53469e0a03cSPaolo Bonzini VMCS_PRI_PROC_BASED_CTLS_TSC_OFFSET | 53569e0a03cSPaolo Bonzini VMCS_PRI_PROC_BASED_CTLS_TPR_SHADOW) | 53669e0a03cSPaolo Bonzini VMCS_PRI_PROC_BASED_CTLS_SEC_CONTROL); 53769e0a03cSPaolo Bonzini wvmcs(cpu->hvf_fd, VMCS_SEC_PROC_BASED_CTLS, 53869e0a03cSPaolo Bonzini cap2ctrl(hvf_state->hvf_caps->vmx_cap_procbased2, 53969e0a03cSPaolo Bonzini VMCS_PRI_PROC_BASED2_CTLS_APIC_ACCESSES)); 54069e0a03cSPaolo Bonzini 54169e0a03cSPaolo Bonzini wvmcs(cpu->hvf_fd, VMCS_ENTRY_CTLS, cap2ctrl(hvf_state->hvf_caps->vmx_cap_entry, 54269e0a03cSPaolo Bonzini 0)); 54369e0a03cSPaolo Bonzini wvmcs(cpu->hvf_fd, VMCS_EXCEPTION_BITMAP, 0); /* Double fault */ 54469e0a03cSPaolo Bonzini 54569e0a03cSPaolo Bonzini wvmcs(cpu->hvf_fd, VMCS_TPR_THRESHOLD, 0); 54669e0a03cSPaolo Bonzini 54769e0a03cSPaolo Bonzini x86cpu = X86_CPU(cpu); 5485b8063c4SLiran Alon x86cpu->env.xsave_buf = qemu_memalign(4096, 4096); 54969e0a03cSPaolo Bonzini 55069e0a03cSPaolo Bonzini hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_STAR, 1); 55169e0a03cSPaolo Bonzini hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_LSTAR, 1); 55269e0a03cSPaolo Bonzini hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_CSTAR, 1); 55369e0a03cSPaolo Bonzini hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_FMASK, 1); 55469e0a03cSPaolo Bonzini hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_FSBASE, 1); 55569e0a03cSPaolo Bonzini hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_GSBASE, 1); 55669e0a03cSPaolo Bonzini hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_KERNELGSBASE, 1); 55769e0a03cSPaolo Bonzini hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_TSC_AUX, 1); 5589fedbbeeSCameron Esfahani hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_IA32_TSC, 1); 55969e0a03cSPaolo Bonzini hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_IA32_SYSENTER_CS, 1); 56069e0a03cSPaolo Bonzini hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_IA32_SYSENTER_EIP, 1); 56169e0a03cSPaolo Bonzini hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_IA32_SYSENTER_ESP, 1); 56269e0a03cSPaolo Bonzini 56369e0a03cSPaolo Bonzini return 0; 56469e0a03cSPaolo Bonzini } 56569e0a03cSPaolo Bonzini 56669e0a03cSPaolo Bonzini static void hvf_store_events(CPUState *cpu, uint32_t ins_len, uint64_t idtvec_info) 56769e0a03cSPaolo Bonzini { 56869e0a03cSPaolo Bonzini X86CPU *x86_cpu = X86_CPU(cpu); 56969e0a03cSPaolo Bonzini CPUX86State *env = &x86_cpu->env; 57069e0a03cSPaolo Bonzini 571fd13f23bSLiran Alon env->exception_nr = -1; 572fd13f23bSLiran Alon env->exception_pending = 0; 573fd13f23bSLiran Alon env->exception_injected = 0; 57469e0a03cSPaolo Bonzini env->interrupt_injected = -1; 57569e0a03cSPaolo Bonzini env->nmi_injected = false; 57664bef038SCameron Esfahani env->ins_len = 0; 57764bef038SCameron Esfahani env->has_error_code = false; 57869e0a03cSPaolo Bonzini if (idtvec_info & VMCS_IDT_VEC_VALID) { 57969e0a03cSPaolo Bonzini switch (idtvec_info & VMCS_IDT_VEC_TYPE) { 58069e0a03cSPaolo Bonzini case VMCS_IDT_VEC_HWINTR: 58169e0a03cSPaolo Bonzini case VMCS_IDT_VEC_SWINTR: 58269e0a03cSPaolo Bonzini env->interrupt_injected = idtvec_info & VMCS_IDT_VEC_VECNUM; 58369e0a03cSPaolo Bonzini break; 58469e0a03cSPaolo Bonzini case VMCS_IDT_VEC_NMI: 58569e0a03cSPaolo Bonzini env->nmi_injected = true; 58669e0a03cSPaolo Bonzini break; 58769e0a03cSPaolo Bonzini case VMCS_IDT_VEC_HWEXCEPTION: 58869e0a03cSPaolo Bonzini case VMCS_IDT_VEC_SWEXCEPTION: 589fd13f23bSLiran Alon env->exception_nr = idtvec_info & VMCS_IDT_VEC_VECNUM; 590fd13f23bSLiran Alon env->exception_injected = 1; 59169e0a03cSPaolo Bonzini break; 59269e0a03cSPaolo Bonzini case VMCS_IDT_VEC_PRIV_SWEXCEPTION: 59369e0a03cSPaolo Bonzini default: 59469e0a03cSPaolo Bonzini abort(); 59569e0a03cSPaolo Bonzini } 59669e0a03cSPaolo Bonzini if ((idtvec_info & VMCS_IDT_VEC_TYPE) == VMCS_IDT_VEC_SWEXCEPTION || 59769e0a03cSPaolo Bonzini (idtvec_info & VMCS_IDT_VEC_TYPE) == VMCS_IDT_VEC_SWINTR) { 59869e0a03cSPaolo Bonzini env->ins_len = ins_len; 59969e0a03cSPaolo Bonzini } 60064bef038SCameron Esfahani if (idtvec_info & VMCS_IDT_VEC_ERRCODE_VALID) { 60169e0a03cSPaolo Bonzini env->has_error_code = true; 60269e0a03cSPaolo Bonzini env->error_code = rvmcs(cpu->hvf_fd, VMCS_IDT_VECTORING_ERROR); 60369e0a03cSPaolo Bonzini } 60469e0a03cSPaolo Bonzini } 60569e0a03cSPaolo Bonzini if ((rvmcs(cpu->hvf_fd, VMCS_GUEST_INTERRUPTIBILITY) & 60669e0a03cSPaolo Bonzini VMCS_INTERRUPTIBILITY_NMI_BLOCKING)) { 60769e0a03cSPaolo Bonzini env->hflags2 |= HF2_NMI_MASK; 60869e0a03cSPaolo Bonzini } else { 60969e0a03cSPaolo Bonzini env->hflags2 &= ~HF2_NMI_MASK; 61069e0a03cSPaolo Bonzini } 61169e0a03cSPaolo Bonzini if (rvmcs(cpu->hvf_fd, VMCS_GUEST_INTERRUPTIBILITY) & 61269e0a03cSPaolo Bonzini (VMCS_INTERRUPTIBILITY_STI_BLOCKING | 61369e0a03cSPaolo Bonzini VMCS_INTERRUPTIBILITY_MOVSS_BLOCKING)) { 61469e0a03cSPaolo Bonzini env->hflags |= HF_INHIBIT_IRQ_MASK; 61569e0a03cSPaolo Bonzini } else { 61669e0a03cSPaolo Bonzini env->hflags &= ~HF_INHIBIT_IRQ_MASK; 61769e0a03cSPaolo Bonzini } 61869e0a03cSPaolo Bonzini } 61969e0a03cSPaolo Bonzini 6203b502b0eSVladislav Yaroshchuk static void hvf_cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, 6213b502b0eSVladislav Yaroshchuk uint32_t *eax, uint32_t *ebx, 6223b502b0eSVladislav Yaroshchuk uint32_t *ecx, uint32_t *edx) 6233b502b0eSVladislav Yaroshchuk { 6243b502b0eSVladislav Yaroshchuk /* 6253b502b0eSVladislav Yaroshchuk * A wrapper extends cpu_x86_cpuid with 0x40000000 and 0x40000010 leafs, 6263b502b0eSVladislav Yaroshchuk * leafs 0x40000001-0x4000000F are filled with zeros 6273b502b0eSVladislav Yaroshchuk * Provides vmware-cpuid-freq support to hvf 6283b502b0eSVladislav Yaroshchuk * 6293b502b0eSVladislav Yaroshchuk * Note: leaf 0x40000000 not exposes HVF, 6303b502b0eSVladislav Yaroshchuk * leaving hypervisor signature empty 6313b502b0eSVladislav Yaroshchuk */ 6323b502b0eSVladislav Yaroshchuk 6333b502b0eSVladislav Yaroshchuk if (index < 0x40000000 || index > 0x40000010 || 6343b502b0eSVladislav Yaroshchuk !tsc_is_known(env) || !apic_bus_freq_is_known(env)) { 6353b502b0eSVladislav Yaroshchuk 6363b502b0eSVladislav Yaroshchuk cpu_x86_cpuid(env, index, count, eax, ebx, ecx, edx); 6373b502b0eSVladislav Yaroshchuk return; 6383b502b0eSVladislav Yaroshchuk } 6393b502b0eSVladislav Yaroshchuk 6403b502b0eSVladislav Yaroshchuk switch (index) { 6413b502b0eSVladislav Yaroshchuk case 0x40000000: 6423b502b0eSVladislav Yaroshchuk *eax = 0x40000010; /* Max available cpuid leaf */ 6433b502b0eSVladislav Yaroshchuk *ebx = 0; /* Leave signature empty */ 6443b502b0eSVladislav Yaroshchuk *ecx = 0; 6453b502b0eSVladislav Yaroshchuk *edx = 0; 6463b502b0eSVladislav Yaroshchuk break; 6473b502b0eSVladislav Yaroshchuk case 0x40000010: 6483b502b0eSVladislav Yaroshchuk *eax = env->tsc_khz; 6493b502b0eSVladislav Yaroshchuk *ebx = env->apic_bus_freq / 1000; /* Hz to KHz */ 6503b502b0eSVladislav Yaroshchuk *ecx = 0; 6513b502b0eSVladislav Yaroshchuk *edx = 0; 6523b502b0eSVladislav Yaroshchuk break; 6533b502b0eSVladislav Yaroshchuk default: 6543b502b0eSVladislav Yaroshchuk *eax = 0; 6553b502b0eSVladislav Yaroshchuk *ebx = 0; 6563b502b0eSVladislav Yaroshchuk *ecx = 0; 6573b502b0eSVladislav Yaroshchuk *edx = 0; 6583b502b0eSVladislav Yaroshchuk break; 6593b502b0eSVladislav Yaroshchuk } 6603b502b0eSVladislav Yaroshchuk } 6613b502b0eSVladislav Yaroshchuk 66269e0a03cSPaolo Bonzini int hvf_vcpu_exec(CPUState *cpu) 66369e0a03cSPaolo Bonzini { 66469e0a03cSPaolo Bonzini X86CPU *x86_cpu = X86_CPU(cpu); 66569e0a03cSPaolo Bonzini CPUX86State *env = &x86_cpu->env; 66669e0a03cSPaolo Bonzini int ret = 0; 66769e0a03cSPaolo Bonzini uint64_t rip = 0; 66869e0a03cSPaolo Bonzini 66969e0a03cSPaolo Bonzini if (hvf_process_events(cpu)) { 67069e0a03cSPaolo Bonzini return EXCP_HLT; 67169e0a03cSPaolo Bonzini } 67269e0a03cSPaolo Bonzini 67369e0a03cSPaolo Bonzini do { 67469e0a03cSPaolo Bonzini if (cpu->vcpu_dirty) { 67569e0a03cSPaolo Bonzini hvf_put_registers(cpu); 67669e0a03cSPaolo Bonzini cpu->vcpu_dirty = false; 67769e0a03cSPaolo Bonzini } 67869e0a03cSPaolo Bonzini 67969e0a03cSPaolo Bonzini if (hvf_inject_interrupts(cpu)) { 68069e0a03cSPaolo Bonzini return EXCP_INTERRUPT; 68169e0a03cSPaolo Bonzini } 68269e0a03cSPaolo Bonzini vmx_update_tpr(cpu); 68369e0a03cSPaolo Bonzini 68469e0a03cSPaolo Bonzini qemu_mutex_unlock_iothread(); 68569e0a03cSPaolo Bonzini if (!cpu_is_bsp(X86_CPU(cpu)) && cpu->halted) { 68669e0a03cSPaolo Bonzini qemu_mutex_lock_iothread(); 68769e0a03cSPaolo Bonzini return EXCP_HLT; 68869e0a03cSPaolo Bonzini } 68969e0a03cSPaolo Bonzini 69069e0a03cSPaolo Bonzini hv_return_t r = hv_vcpu_run(cpu->hvf_fd); 69169e0a03cSPaolo Bonzini assert_hvf_ok(r); 69269e0a03cSPaolo Bonzini 69369e0a03cSPaolo Bonzini /* handle VMEXIT */ 69469e0a03cSPaolo Bonzini uint64_t exit_reason = rvmcs(cpu->hvf_fd, VMCS_EXIT_REASON); 69569e0a03cSPaolo Bonzini uint64_t exit_qual = rvmcs(cpu->hvf_fd, VMCS_EXIT_QUALIFICATION); 69669e0a03cSPaolo Bonzini uint32_t ins_len = (uint32_t)rvmcs(cpu->hvf_fd, 69769e0a03cSPaolo Bonzini VMCS_EXIT_INSTRUCTION_LENGTH); 69869e0a03cSPaolo Bonzini 69969e0a03cSPaolo Bonzini uint64_t idtvec_info = rvmcs(cpu->hvf_fd, VMCS_IDT_VECTORING_INFO); 70069e0a03cSPaolo Bonzini 70169e0a03cSPaolo Bonzini hvf_store_events(cpu, ins_len, idtvec_info); 70269e0a03cSPaolo Bonzini rip = rreg(cpu->hvf_fd, HV_X86_RIP); 703967f4da2SRoman Bolshakov env->eflags = rreg(cpu->hvf_fd, HV_X86_RFLAGS); 70469e0a03cSPaolo Bonzini 70569e0a03cSPaolo Bonzini qemu_mutex_lock_iothread(); 70669e0a03cSPaolo Bonzini 70769e0a03cSPaolo Bonzini update_apic_tpr(cpu); 70869e0a03cSPaolo Bonzini current_cpu = cpu; 70969e0a03cSPaolo Bonzini 71069e0a03cSPaolo Bonzini ret = 0; 71169e0a03cSPaolo Bonzini switch (exit_reason) { 71269e0a03cSPaolo Bonzini case EXIT_REASON_HLT: { 71369e0a03cSPaolo Bonzini macvm_set_rip(cpu, rip + ins_len); 71469e0a03cSPaolo Bonzini if (!((cpu->interrupt_request & CPU_INTERRUPT_HARD) && 715967f4da2SRoman Bolshakov (env->eflags & IF_MASK)) 71669e0a03cSPaolo Bonzini && !(cpu->interrupt_request & CPU_INTERRUPT_NMI) && 71769e0a03cSPaolo Bonzini !(idtvec_info & VMCS_IDT_VEC_VALID)) { 71869e0a03cSPaolo Bonzini cpu->halted = 1; 71969e0a03cSPaolo Bonzini ret = EXCP_HLT; 7203b9c59daSChen Zhang break; 72169e0a03cSPaolo Bonzini } 72269e0a03cSPaolo Bonzini ret = EXCP_INTERRUPT; 72369e0a03cSPaolo Bonzini break; 72469e0a03cSPaolo Bonzini } 72569e0a03cSPaolo Bonzini case EXIT_REASON_MWAIT: { 72669e0a03cSPaolo Bonzini ret = EXCP_INTERRUPT; 72769e0a03cSPaolo Bonzini break; 72869e0a03cSPaolo Bonzini } 729fbafbb6dSCameron Esfahani /* Need to check if MMIO or unmapped fault */ 73069e0a03cSPaolo Bonzini case EXIT_REASON_EPT_FAULT: 73169e0a03cSPaolo Bonzini { 73269e0a03cSPaolo Bonzini hvf_slot *slot; 733ff2de166SPaolo Bonzini uint64_t gpa = rvmcs(cpu->hvf_fd, VMCS_GUEST_PHYSICAL_ADDRESS); 73469e0a03cSPaolo Bonzini 73569e0a03cSPaolo Bonzini if (((idtvec_info & VMCS_IDT_VEC_VALID) == 0) && 73669e0a03cSPaolo Bonzini ((exit_qual & EXIT_QUAL_NMIUDTI) != 0)) { 73769e0a03cSPaolo Bonzini vmx_set_nmi_blocking(cpu); 73869e0a03cSPaolo Bonzini } 73969e0a03cSPaolo Bonzini 740fbafbb6dSCameron Esfahani slot = hvf_find_overlap_slot(gpa, 1); 74169e0a03cSPaolo Bonzini /* mmio */ 74269e0a03cSPaolo Bonzini if (ept_emulation_fault(slot, gpa, exit_qual)) { 74369e0a03cSPaolo Bonzini struct x86_decode decode; 74469e0a03cSPaolo Bonzini 74569e0a03cSPaolo Bonzini load_regs(cpu); 74669e0a03cSPaolo Bonzini decode_instruction(env, &decode); 74769e0a03cSPaolo Bonzini exec_instruction(env, &decode); 74869e0a03cSPaolo Bonzini store_regs(cpu); 74969e0a03cSPaolo Bonzini break; 75069e0a03cSPaolo Bonzini } 75169e0a03cSPaolo Bonzini break; 75269e0a03cSPaolo Bonzini } 75369e0a03cSPaolo Bonzini case EXIT_REASON_INOUT: 75469e0a03cSPaolo Bonzini { 75569e0a03cSPaolo Bonzini uint32_t in = (exit_qual & 8) != 0; 75669e0a03cSPaolo Bonzini uint32_t size = (exit_qual & 7) + 1; 75769e0a03cSPaolo Bonzini uint32_t string = (exit_qual & 16) != 0; 75869e0a03cSPaolo Bonzini uint32_t port = exit_qual >> 16; 75969e0a03cSPaolo Bonzini /*uint32_t rep = (exit_qual & 0x20) != 0;*/ 76069e0a03cSPaolo Bonzini 76169e0a03cSPaolo Bonzini if (!string && in) { 76269e0a03cSPaolo Bonzini uint64_t val = 0; 76369e0a03cSPaolo Bonzini load_regs(cpu); 76469e0a03cSPaolo Bonzini hvf_handle_io(env, port, &val, 0, size, 1); 76569e0a03cSPaolo Bonzini if (size == 1) { 76669e0a03cSPaolo Bonzini AL(env) = val; 76769e0a03cSPaolo Bonzini } else if (size == 2) { 76869e0a03cSPaolo Bonzini AX(env) = val; 76969e0a03cSPaolo Bonzini } else if (size == 4) { 77069e0a03cSPaolo Bonzini RAX(env) = (uint32_t)val; 77169e0a03cSPaolo Bonzini } else { 772da20f5cdSPaolo Bonzini RAX(env) = (uint64_t)val; 77369e0a03cSPaolo Bonzini } 7745d32173fSRoman Bolshakov env->eip += ins_len; 77569e0a03cSPaolo Bonzini store_regs(cpu); 77669e0a03cSPaolo Bonzini break; 77769e0a03cSPaolo Bonzini } else if (!string && !in) { 77869e0a03cSPaolo Bonzini RAX(env) = rreg(cpu->hvf_fd, HV_X86_RAX); 77969e0a03cSPaolo Bonzini hvf_handle_io(env, port, &RAX(env), 1, size, 1); 78069e0a03cSPaolo Bonzini macvm_set_rip(cpu, rip + ins_len); 78169e0a03cSPaolo Bonzini break; 78269e0a03cSPaolo Bonzini } 78369e0a03cSPaolo Bonzini struct x86_decode decode; 78469e0a03cSPaolo Bonzini 78569e0a03cSPaolo Bonzini load_regs(cpu); 78669e0a03cSPaolo Bonzini decode_instruction(env, &decode); 787e62963bfSPaolo Bonzini assert(ins_len == decode.len); 78869e0a03cSPaolo Bonzini exec_instruction(env, &decode); 78969e0a03cSPaolo Bonzini store_regs(cpu); 79069e0a03cSPaolo Bonzini 79169e0a03cSPaolo Bonzini break; 79269e0a03cSPaolo Bonzini } 79369e0a03cSPaolo Bonzini case EXIT_REASON_CPUID: { 79469e0a03cSPaolo Bonzini uint32_t rax = (uint32_t)rreg(cpu->hvf_fd, HV_X86_RAX); 79569e0a03cSPaolo Bonzini uint32_t rbx = (uint32_t)rreg(cpu->hvf_fd, HV_X86_RBX); 79669e0a03cSPaolo Bonzini uint32_t rcx = (uint32_t)rreg(cpu->hvf_fd, HV_X86_RCX); 79769e0a03cSPaolo Bonzini uint32_t rdx = (uint32_t)rreg(cpu->hvf_fd, HV_X86_RDX); 79869e0a03cSPaolo Bonzini 799106f91d5SAlexander Graf if (rax == 1) { 800106f91d5SAlexander Graf /* CPUID1.ecx.OSXSAVE needs to know CR4 */ 801106f91d5SAlexander Graf env->cr[4] = rvmcs(cpu->hvf_fd, VMCS_GUEST_CR4); 802106f91d5SAlexander Graf } 8033b502b0eSVladislav Yaroshchuk hvf_cpu_x86_cpuid(env, rax, rcx, &rax, &rbx, &rcx, &rdx); 80469e0a03cSPaolo Bonzini 80569e0a03cSPaolo Bonzini wreg(cpu->hvf_fd, HV_X86_RAX, rax); 80669e0a03cSPaolo Bonzini wreg(cpu->hvf_fd, HV_X86_RBX, rbx); 80769e0a03cSPaolo Bonzini wreg(cpu->hvf_fd, HV_X86_RCX, rcx); 80869e0a03cSPaolo Bonzini wreg(cpu->hvf_fd, HV_X86_RDX, rdx); 80969e0a03cSPaolo Bonzini 81069e0a03cSPaolo Bonzini macvm_set_rip(cpu, rip + ins_len); 81169e0a03cSPaolo Bonzini break; 81269e0a03cSPaolo Bonzini } 81369e0a03cSPaolo Bonzini case EXIT_REASON_XSETBV: { 81469e0a03cSPaolo Bonzini X86CPU *x86_cpu = X86_CPU(cpu); 81569e0a03cSPaolo Bonzini CPUX86State *env = &x86_cpu->env; 81669e0a03cSPaolo Bonzini uint32_t eax = (uint32_t)rreg(cpu->hvf_fd, HV_X86_RAX); 81769e0a03cSPaolo Bonzini uint32_t ecx = (uint32_t)rreg(cpu->hvf_fd, HV_X86_RCX); 81869e0a03cSPaolo Bonzini uint32_t edx = (uint32_t)rreg(cpu->hvf_fd, HV_X86_RDX); 81969e0a03cSPaolo Bonzini 82069e0a03cSPaolo Bonzini if (ecx) { 82169e0a03cSPaolo Bonzini macvm_set_rip(cpu, rip + ins_len); 82269e0a03cSPaolo Bonzini break; 82369e0a03cSPaolo Bonzini } 82469e0a03cSPaolo Bonzini env->xcr0 = ((uint64_t)edx << 32) | eax; 82569e0a03cSPaolo Bonzini wreg(cpu->hvf_fd, HV_X86_XCR0, env->xcr0 | 1); 82669e0a03cSPaolo Bonzini macvm_set_rip(cpu, rip + ins_len); 82769e0a03cSPaolo Bonzini break; 82869e0a03cSPaolo Bonzini } 82969e0a03cSPaolo Bonzini case EXIT_REASON_INTR_WINDOW: 83069e0a03cSPaolo Bonzini vmx_clear_int_window_exiting(cpu); 83169e0a03cSPaolo Bonzini ret = EXCP_INTERRUPT; 83269e0a03cSPaolo Bonzini break; 83369e0a03cSPaolo Bonzini case EXIT_REASON_NMI_WINDOW: 83469e0a03cSPaolo Bonzini vmx_clear_nmi_window_exiting(cpu); 83569e0a03cSPaolo Bonzini ret = EXCP_INTERRUPT; 83669e0a03cSPaolo Bonzini break; 83769e0a03cSPaolo Bonzini case EXIT_REASON_EXT_INTR: 83869e0a03cSPaolo Bonzini /* force exit and allow io handling */ 83969e0a03cSPaolo Bonzini ret = EXCP_INTERRUPT; 84069e0a03cSPaolo Bonzini break; 84169e0a03cSPaolo Bonzini case EXIT_REASON_RDMSR: 84269e0a03cSPaolo Bonzini case EXIT_REASON_WRMSR: 84369e0a03cSPaolo Bonzini { 84469e0a03cSPaolo Bonzini load_regs(cpu); 84569e0a03cSPaolo Bonzini if (exit_reason == EXIT_REASON_RDMSR) { 84669e0a03cSPaolo Bonzini simulate_rdmsr(cpu); 84769e0a03cSPaolo Bonzini } else { 84869e0a03cSPaolo Bonzini simulate_wrmsr(cpu); 84969e0a03cSPaolo Bonzini } 8505d32173fSRoman Bolshakov env->eip += ins_len; 85169e0a03cSPaolo Bonzini store_regs(cpu); 85269e0a03cSPaolo Bonzini break; 85369e0a03cSPaolo Bonzini } 85469e0a03cSPaolo Bonzini case EXIT_REASON_CR_ACCESS: { 85569e0a03cSPaolo Bonzini int cr; 85669e0a03cSPaolo Bonzini int reg; 85769e0a03cSPaolo Bonzini 85869e0a03cSPaolo Bonzini load_regs(cpu); 85969e0a03cSPaolo Bonzini cr = exit_qual & 15; 86069e0a03cSPaolo Bonzini reg = (exit_qual >> 8) & 15; 86169e0a03cSPaolo Bonzini 86269e0a03cSPaolo Bonzini switch (cr) { 86369e0a03cSPaolo Bonzini case 0x0: { 86469e0a03cSPaolo Bonzini macvm_set_cr0(cpu->hvf_fd, RRX(env, reg)); 86569e0a03cSPaolo Bonzini break; 86669e0a03cSPaolo Bonzini } 86769e0a03cSPaolo Bonzini case 4: { 86869e0a03cSPaolo Bonzini macvm_set_cr4(cpu->hvf_fd, RRX(env, reg)); 86969e0a03cSPaolo Bonzini break; 87069e0a03cSPaolo Bonzini } 87169e0a03cSPaolo Bonzini case 8: { 87269e0a03cSPaolo Bonzini X86CPU *x86_cpu = X86_CPU(cpu); 87369e0a03cSPaolo Bonzini if (exit_qual & 0x10) { 87469e0a03cSPaolo Bonzini RRX(env, reg) = cpu_get_apic_tpr(x86_cpu->apic_state); 87569e0a03cSPaolo Bonzini } else { 87669e0a03cSPaolo Bonzini int tpr = RRX(env, reg); 87769e0a03cSPaolo Bonzini cpu_set_apic_tpr(x86_cpu->apic_state, tpr); 87869e0a03cSPaolo Bonzini ret = EXCP_INTERRUPT; 87969e0a03cSPaolo Bonzini } 88069e0a03cSPaolo Bonzini break; 88169e0a03cSPaolo Bonzini } 88269e0a03cSPaolo Bonzini default: 8832d9178d9SLaurent Vivier error_report("Unrecognized CR %d", cr); 88469e0a03cSPaolo Bonzini abort(); 88569e0a03cSPaolo Bonzini } 8865d32173fSRoman Bolshakov env->eip += ins_len; 88769e0a03cSPaolo Bonzini store_regs(cpu); 88869e0a03cSPaolo Bonzini break; 88969e0a03cSPaolo Bonzini } 89069e0a03cSPaolo Bonzini case EXIT_REASON_APIC_ACCESS: { /* TODO */ 89169e0a03cSPaolo Bonzini struct x86_decode decode; 89269e0a03cSPaolo Bonzini 89369e0a03cSPaolo Bonzini load_regs(cpu); 89469e0a03cSPaolo Bonzini decode_instruction(env, &decode); 89569e0a03cSPaolo Bonzini exec_instruction(env, &decode); 89669e0a03cSPaolo Bonzini store_regs(cpu); 89769e0a03cSPaolo Bonzini break; 89869e0a03cSPaolo Bonzini } 89969e0a03cSPaolo Bonzini case EXIT_REASON_TPR: { 90069e0a03cSPaolo Bonzini ret = 1; 90169e0a03cSPaolo Bonzini break; 90269e0a03cSPaolo Bonzini } 90369e0a03cSPaolo Bonzini case EXIT_REASON_TASK_SWITCH: { 90469e0a03cSPaolo Bonzini uint64_t vinfo = rvmcs(cpu->hvf_fd, VMCS_IDT_VECTORING_INFO); 90569e0a03cSPaolo Bonzini x68_segment_selector sel = {.sel = exit_qual & 0xffff}; 90669e0a03cSPaolo Bonzini vmx_handle_task_switch(cpu, sel, (exit_qual >> 30) & 0x3, 90769e0a03cSPaolo Bonzini vinfo & VMCS_INTR_VALID, vinfo & VECTORING_INFO_VECTOR_MASK, vinfo 90869e0a03cSPaolo Bonzini & VMCS_INTR_T_MASK); 90969e0a03cSPaolo Bonzini break; 91069e0a03cSPaolo Bonzini } 91169e0a03cSPaolo Bonzini case EXIT_REASON_TRIPLE_FAULT: { 91269e0a03cSPaolo Bonzini qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 91369e0a03cSPaolo Bonzini ret = EXCP_INTERRUPT; 91469e0a03cSPaolo Bonzini break; 91569e0a03cSPaolo Bonzini } 91669e0a03cSPaolo Bonzini case EXIT_REASON_RDPMC: 91769e0a03cSPaolo Bonzini wreg(cpu->hvf_fd, HV_X86_RAX, 0); 91869e0a03cSPaolo Bonzini wreg(cpu->hvf_fd, HV_X86_RDX, 0); 91969e0a03cSPaolo Bonzini macvm_set_rip(cpu, rip + ins_len); 92069e0a03cSPaolo Bonzini break; 92169e0a03cSPaolo Bonzini case VMX_REASON_VMCALL: 922fd13f23bSLiran Alon env->exception_nr = EXCP0D_GPF; 923fd13f23bSLiran Alon env->exception_injected = 1; 92469e0a03cSPaolo Bonzini env->has_error_code = true; 92569e0a03cSPaolo Bonzini env->error_code = 0; 92669e0a03cSPaolo Bonzini break; 92769e0a03cSPaolo Bonzini default: 9282d9178d9SLaurent Vivier error_report("%llx: unhandled exit %llx", rip, exit_reason); 92969e0a03cSPaolo Bonzini } 93069e0a03cSPaolo Bonzini } while (ret == 0); 93169e0a03cSPaolo Bonzini 93269e0a03cSPaolo Bonzini return ret; 93369e0a03cSPaolo Bonzini } 93469e0a03cSPaolo Bonzini 93592cc3aaaSRoman Bolshakov bool hvf_allowed; 93669e0a03cSPaolo Bonzini 93769e0a03cSPaolo Bonzini static int hvf_accel_init(MachineState *ms) 93869e0a03cSPaolo Bonzini { 93969e0a03cSPaolo Bonzini int x; 94069e0a03cSPaolo Bonzini hv_return_t ret; 94169e0a03cSPaolo Bonzini HVFState *s; 94269e0a03cSPaolo Bonzini 94369e0a03cSPaolo Bonzini ret = hv_vm_create(HV_VM_DEFAULT); 94469e0a03cSPaolo Bonzini assert_hvf_ok(ret); 94569e0a03cSPaolo Bonzini 94669e0a03cSPaolo Bonzini s = g_new0(HVFState, 1); 94769e0a03cSPaolo Bonzini 94869e0a03cSPaolo Bonzini s->num_slots = 32; 94969e0a03cSPaolo Bonzini for (x = 0; x < s->num_slots; ++x) { 95069e0a03cSPaolo Bonzini s->slots[x].size = 0; 95169e0a03cSPaolo Bonzini s->slots[x].slot_id = x; 95269e0a03cSPaolo Bonzini } 95369e0a03cSPaolo Bonzini 95469e0a03cSPaolo Bonzini hvf_state = s; 95569e0a03cSPaolo Bonzini memory_listener_register(&hvf_memory_listener, &address_space_memory); 95669e0a03cSPaolo Bonzini return 0; 95769e0a03cSPaolo Bonzini } 95869e0a03cSPaolo Bonzini 95969e0a03cSPaolo Bonzini static void hvf_accel_class_init(ObjectClass *oc, void *data) 96069e0a03cSPaolo Bonzini { 96169e0a03cSPaolo Bonzini AccelClass *ac = ACCEL_CLASS(oc); 96269e0a03cSPaolo Bonzini ac->name = "HVF"; 96369e0a03cSPaolo Bonzini ac->init_machine = hvf_accel_init; 96469e0a03cSPaolo Bonzini ac->allowed = &hvf_allowed; 96569e0a03cSPaolo Bonzini } 96669e0a03cSPaolo Bonzini 96769e0a03cSPaolo Bonzini static const TypeInfo hvf_accel_type = { 96869e0a03cSPaolo Bonzini .name = TYPE_HVF_ACCEL, 96969e0a03cSPaolo Bonzini .parent = TYPE_ACCEL, 97069e0a03cSPaolo Bonzini .class_init = hvf_accel_class_init, 97169e0a03cSPaolo Bonzini }; 97269e0a03cSPaolo Bonzini 97369e0a03cSPaolo Bonzini static void hvf_type_init(void) 97469e0a03cSPaolo Bonzini { 97569e0a03cSPaolo Bonzini type_register_static(&hvf_accel_type); 97669e0a03cSPaolo Bonzini } 97769e0a03cSPaolo Bonzini 97869e0a03cSPaolo Bonzini type_init(hvf_type_init); 979