Lines Matching defs:vcpu
96 static unsigned get_addr_size(struct kvm_vcpu *vcpu)
98 struct vmcb_save_area *sa = &vcpu->svm->vmcb->save;
110 static inline u8 pop_irq(struct kvm_vcpu *vcpu)
112 int word_index = __ffs(vcpu->irq_summary);
113 int bit_index = __ffs(vcpu->irq_pending[word_index]);
116 clear_bit(bit_index, &vcpu->irq_pending[word_index]);
117 if (!vcpu->irq_pending[word_index])
118 clear_bit(word_index, &vcpu->irq_summary);
122 static inline void push_irq(struct kvm_vcpu *vcpu, u8 irq)
124 set_bit(irq, vcpu->irq_pending);
125 set_bit(irq / BITS_PER_LONG, &vcpu->irq_summary);
182 static inline void force_new_asid(struct kvm_vcpu *vcpu)
184 vcpu->svm->asid_generation--;
187 static inline void flush_guest_tlb(struct kvm_vcpu *vcpu)
189 force_new_asid(vcpu);
192 static void svm_set_efer(struct kvm_vcpu *vcpu, u64 efer)
197 vcpu->svm->vmcb->save.efer = efer | MSR_EFER_SVME_MASK;
198 vcpu->shadow_efer = efer;
201 static void svm_inject_gp(struct kvm_vcpu *vcpu, unsigned error_code)
203 vcpu->svm->vmcb->control.event_inj = SVM_EVTINJ_VALID |
207 vcpu->svm->vmcb->control.event_inj_err = error_code;
210 static void inject_ud(struct kvm_vcpu *vcpu)
212 vcpu->svm->vmcb->control.event_inj = SVM_EVTINJ_VALID |
229 static void skip_emulated_instruction(struct kvm_vcpu *vcpu)
231 if (!vcpu->svm->next_rip) {
235 if (vcpu->svm->next_rip - vcpu->svm->vmcb->save.rip > 15) {
238 vcpu->svm->vmcb->save.rip,
239 vcpu->svm->next_rip);
242 vcpu->rip = vcpu->svm->vmcb->save.rip = vcpu->svm->next_rip;
243 vcpu->svm->vmcb->control.int_state &= ~SVM_INTERRUPT_SHADOW_MASK;
245 vcpu->interrupt_window_open = 1;
458 static int svm_vcpu_setup(struct kvm_vcpu *vcpu)
568 static int svm_create_vcpu(struct kvm_vcpu *vcpu)
574 vcpu->svm = kzalloc(sizeof *vcpu->svm, GFP_KERNEL);
575 if (!vcpu->svm)
581 vcpu->svm->vmcb = page_address(page);
582 memset(vcpu->svm->vmcb, 0, PAGE_SIZE);
583 vcpu->svm->vmcb_pa = page_to_pfn(page) << PAGE_SHIFT;
584 vcpu->svm->asid_generation = 0;
585 memset(vcpu->svm->db_regs, 0, sizeof(vcpu->svm->db_regs));
586 init_vmcb(vcpu->svm->vmcb);
588 fx_init(vcpu);
589 vcpu->fpu_active = 1;
590 vcpu->apic_base = 0xfee00000 |
591 /*for vcpu 0*/ MSR_IA32_APICBASE_BSP |
597 kfree(vcpu->svm);
602 static void svm_free_vcpu(struct kvm_vcpu *vcpu)
604 if (!vcpu->svm)
606 if (vcpu->svm->vmcb)
607 __free_page(pfn_to_page(vcpu->svm->vmcb_pa >> PAGE_SHIFT));
608 kfree(vcpu->svm);
611 static void svm_vcpu_load(struct kvm_vcpu *vcpu)
616 if (unlikely(cpu != vcpu->cpu)) {
624 delta = vcpu->host_tsc - tsc_this;
625 vcpu->svm->vmcb->control.tsc_offset += delta;
626 vcpu->cpu = cpu;
630 rdmsrl(host_save_user_msrs[i], vcpu->svm->host_user_msrs[i]);
633 static void svm_vcpu_put(struct kvm_vcpu *vcpu)
638 wrmsrl(host_save_user_msrs[i], vcpu->svm->host_user_msrs[i]);
640 rdtscll(vcpu->host_tsc);
644 static void svm_vcpu_decache(struct kvm_vcpu *vcpu)
648 static void svm_cache_regs(struct kvm_vcpu *vcpu)
650 vcpu->regs[VCPU_REGS_RAX] = vcpu->svm->vmcb->save.rax;
651 vcpu->regs[VCPU_REGS_RSP] = vcpu->svm->vmcb->save.rsp;
652 vcpu->rip = vcpu->svm->vmcb->save.rip;
655 static void svm_decache_regs(struct kvm_vcpu *vcpu)
657 vcpu->svm->vmcb->save.rax = vcpu->regs[VCPU_REGS_RAX];
658 vcpu->svm->vmcb->save.rsp = vcpu->regs[VCPU_REGS_RSP];
659 vcpu->svm->vmcb->save.rip = vcpu->rip;
662 static unsigned long svm_get_rflags(struct kvm_vcpu *vcpu)
664 return vcpu->svm->vmcb->save.rflags;
667 static void svm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags)
669 vcpu->svm->vmcb->save.rflags = rflags;
672 static struct vmcb_seg *svm_seg(struct kvm_vcpu *vcpu, int seg)
674 struct vmcb_save_area *save = &vcpu->svm->vmcb->save;
690 static u64 svm_get_segment_base(struct kvm_vcpu *vcpu, int seg)
692 struct vmcb_seg *s = svm_seg(vcpu, seg);
697 static void svm_get_segment(struct kvm_vcpu *vcpu,
700 struct vmcb_seg *s = svm_seg(vcpu, seg);
716 static void svm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l)
718 struct vmcb_seg *s = svm_seg(vcpu, VCPU_SREG_CS);
724 static void svm_get_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
726 dt->limit = vcpu->svm->vmcb->save.idtr.limit;
727 dt->base = vcpu->svm->vmcb->save.idtr.base;
730 static void svm_set_idt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
732 vcpu->svm->vmcb->save.idtr.limit = dt->limit;
733 vcpu->svm->vmcb->save.idtr.base = dt->base ;
736 static void svm_get_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
738 dt->limit = vcpu->svm->vmcb->save.gdtr.limit;
739 dt->base = vcpu->svm->vmcb->save.gdtr.base;
742 static void svm_set_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
744 vcpu->svm->vmcb->save.gdtr.limit = dt->limit;
745 vcpu->svm->vmcb->save.gdtr.base = dt->base ;
748 static void svm_decache_cr4_guest_bits(struct kvm_vcpu *vcpu)
752 static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
755 if (vcpu->shadow_efer & KVM_EFER_LME) {
756 if (!is_paging(vcpu) && (cr0 & CR0_PG_MASK)) {
757 vcpu->shadow_efer |= KVM_EFER_LMA;
758 vcpu->svm->vmcb->save.efer |= KVM_EFER_LMA | KVM_EFER_LME;
761 if (is_paging(vcpu) && !(cr0 & CR0_PG_MASK) ) {
762 vcpu->shadow_efer &= ~KVM_EFER_LMA;
763 vcpu->svm->vmcb->save.efer &= ~(KVM_EFER_LMA | KVM_EFER_LME);
767 if ((vcpu->cr0 & CR0_TS_MASK) && !(cr0 & CR0_TS_MASK)) {
768 vcpu->svm->vmcb->control.intercept_exceptions &= ~(1 << NM_VECTOR);
769 vcpu->fpu_active = 1;
772 vcpu->cr0 = cr0;
775 vcpu->svm->vmcb->save.cr0 = cr0;
778 static void svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
780 vcpu->cr4 = cr4;
781 vcpu->svm->vmcb->save.cr4 = cr4 | CR4_PAE_MASK;
784 static void svm_set_segment(struct kvm_vcpu *vcpu,
787 struct vmcb_seg *s = svm_seg(vcpu, seg);
805 vcpu->svm->vmcb->save.cpl
806 = (vcpu->svm->vmcb->save.cs.attrib
812 static int svm_guest_debug(struct kvm_vcpu *vcpu, struct kvm_debug_guest *dbg)
817 static void load_host_msrs(struct kvm_vcpu *vcpu)
820 wrmsrl(MSR_GS_BASE, vcpu->svm->host_gs_base);
824 static void save_host_msrs(struct kvm_vcpu *vcpu)
827 rdmsrl(MSR_GS_BASE, vcpu->svm->host_gs_base);
831 static void new_asid(struct kvm_vcpu *vcpu, struct svm_cpu_data *svm_data)
836 vcpu->svm->vmcb->control.tlb_ctl = TLB_CONTROL_FLUSH_ALL_ASID;
839 vcpu->cpu = svm_data->cpu;
840 vcpu->svm->asid_generation = svm_data->asid_generation;
841 vcpu->svm->vmcb->control.asid = svm_data->next_asid++;
844 static void svm_invlpg(struct kvm_vcpu *vcpu, gva_t address)
846 invlpga(address, vcpu->svm->vmcb->control.asid); // is needed?
849 static unsigned long svm_get_dr(struct kvm_vcpu *vcpu, int dr)
851 return vcpu->svm->db_regs[dr];
854 static void svm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long value,
859 if (vcpu->svm->vmcb->save.dr7 & DR7_GD_MASK) {
860 vcpu->svm->vmcb->save.dr7 &= ~DR7_GD_MASK;
861 vcpu->svm->vmcb->save.dr6 |= DR6_BD_MASK;
868 vcpu->svm->db_regs[dr] = value;
871 if (vcpu->cr4 & CR4_DE_MASK) {
880 vcpu->svm->vmcb->save.dr7 = value;
891 static int pf_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
893 u32 exit_int_info = vcpu->svm->vmcb->control.exit_int_info;
900 push_irq(vcpu, exit_int_info & SVM_EVTINJ_VEC_MASK);
902 spin_lock(&vcpu->kvm->lock);
904 fault_address = vcpu->svm->vmcb->control.exit_info_2;
905 error_code = vcpu->svm->vmcb->control.exit_info_1;
906 r = kvm_mmu_page_fault(vcpu, fault_address, error_code);
908 spin_unlock(&vcpu->kvm->lock);
912 spin_unlock(&vcpu->kvm->lock);
915 er = emulate_instruction(vcpu, kvm_run, fault_address, error_code);
916 spin_unlock(&vcpu->kvm->lock);
922 ++vcpu->stat.mmio_exits;
926 vcpu_printf(vcpu, "%s: emulate fail\n", __FUNCTION__);
936 static int nm_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
938 vcpu->svm->vmcb->control.intercept_exceptions &= ~(1 << NM_VECTOR);
939 if (!(vcpu->cr0 & CR0_TS_MASK))
940 vcpu->svm->vmcb->save.cr0 &= ~CR0_TS_MASK;
941 vcpu->fpu_active = 1;
946 static int shutdown_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
952 memset(vcpu->svm->vmcb, 0, PAGE_SIZE);
953 init_vmcb(vcpu->svm->vmcb);
959 static int io_get_override(struct kvm_vcpu *vcpu,
968 rip = vcpu->svm->vmcb->save.rip;
969 ins_length = vcpu->svm->next_rip - rip;
970 rip += vcpu->svm->vmcb->save.cs.base;
977 vcpu->svm->vmcb->save.cs.base,
978 vcpu->svm->vmcb->save.rip,
979 vcpu->svm->vmcb->control.exit_info_2,
982 if (kvm_read_guest(vcpu, rip, ins_length, inst) != ins_length)
999 *seg = &vcpu->svm->vmcb->save.cs;
1002 *seg = &vcpu->svm->vmcb->save.ss;
1005 *seg = &vcpu->svm->vmcb->save.ds;
1008 *seg = &vcpu->svm->vmcb->save.es;
1011 *seg = &vcpu->svm->vmcb->save.fs;
1014 *seg = &vcpu->svm->vmcb->save.gs;
1023 static unsigned long io_adress(struct kvm_vcpu *vcpu, int ins, gva_t *address)
1029 struct vmcb_save_area *save_area = &vcpu->svm->vmcb->save;
1031 unsigned addr_size = get_addr_size(vcpu);
1033 if (!io_get_override(vcpu, &seg, &addr_override))
1040 reg = &vcpu->regs[VCPU_REGS_RDI];
1041 seg = &vcpu->svm->vmcb->save.es;
1043 reg = &vcpu->regs[VCPU_REGS_RSI];
1044 seg = (seg) ? seg : &vcpu->svm->vmcb->save.ds;
1050 !(vcpu->svm->vmcb->save.rflags & X86_EFLAGS_VM)) {
1056 svm_inject_gp(vcpu, 0);
1064 static int io_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1066 u32 io_info = vcpu->svm->vmcb->control.exit_info_1; //address size bug?
1072 ++vcpu->stat.io_exits;
1074 vcpu->svm->next_rip = vcpu->svm->vmcb->control.exit_info_2;
1082 down = (vcpu->svm->vmcb->save.rflags & X86_EFLAGS_DF) != 0;
1087 addr_mask = io_adress(vcpu, in, &address);
1095 count = vcpu->regs[VCPU_REGS_RCX] & addr_mask;
1097 return kvm_setup_pio(vcpu, kvm_run, in, size, count, string, down,
1101 static int nop_on_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1106 static int halt_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1108 vcpu->svm->next_rip = vcpu->svm->vmcb->save.rip + 1;
1109 skip_emulated_instruction(vcpu);
1110 if (vcpu->irq_summary)
1114 ++vcpu->stat.halt_exits;
1118 static int vmmcall_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1120 vcpu->svm->next_rip = vcpu->svm->vmcb->save.rip + 3;
1121 skip_emulated_instruction(vcpu);
1122 return kvm_hypercall(vcpu, kvm_run);
1125 static int invalid_op_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1127 inject_ud(vcpu);
1131 static int task_switch_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1138 static int cpuid_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1140 vcpu->svm->next_rip = vcpu->svm->vmcb->save.rip + 2;
1141 kvm_emulate_cpuid(vcpu);
1145 static int emulate_on_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1147 if (emulate_instruction(vcpu, NULL, 0, 0) != EMULATE_DONE)
1152 static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
1159 *data = vcpu->svm->vmcb->control.tsc_offset + tsc;
1163 *data = vcpu->svm->vmcb->save.star;
1167 *data = vcpu->svm->vmcb->save.lstar;
1170 *data = vcpu->svm->vmcb->save.cstar;
1173 *data = vcpu->svm->vmcb->save.kernel_gs_base;
1176 *data = vcpu->svm->vmcb->save.sfmask;
1180 *data = vcpu->svm->vmcb->save.sysenter_cs;
1183 *data = vcpu->svm->vmcb->save.sysenter_eip;
1186 *data = vcpu->svm->vmcb->save.sysenter_esp;
1189 return kvm_get_msr_common(vcpu, ecx, data);
1194 static int rdmsr_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1196 u32 ecx = vcpu->regs[VCPU_REGS_RCX];
1199 if (svm_get_msr(vcpu, ecx, &data))
1200 svm_inject_gp(vcpu, 0);
1202 vcpu->svm->vmcb->save.rax = data & 0xffffffff;
1203 vcpu->regs[VCPU_REGS_RDX] = data >> 32;
1204 vcpu->svm->next_rip = vcpu->svm->vmcb->save.rip + 2;
1205 skip_emulated_instruction(vcpu);
1210 static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
1217 vcpu->svm->vmcb->control.tsc_offset = data - tsc;
1221 vcpu->svm->vmcb->save.star = data;
1225 vcpu->svm->vmcb->save.lstar = data;
1228 vcpu->svm->vmcb->save.cstar = data;
1231 vcpu->svm->vmcb->save.kernel_gs_base = data;
1234 vcpu->svm->vmcb->save.sfmask = data;
1238 vcpu->svm->vmcb->save.sysenter_cs = data;
1241 vcpu->svm->vmcb->save.sysenter_eip = data;
1244 vcpu->svm->vmcb->save.sysenter_esp = data;
1247 return kvm_set_msr_common(vcpu, ecx, data);
1252 static int wrmsr_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1254 u32 ecx = vcpu->regs[VCPU_REGS_RCX];
1255 u64 data = (vcpu->svm->vmcb->save.rax & -1u)
1256 | ((u64)(vcpu->regs[VCPU_REGS_RDX] & -1u) << 32);
1257 vcpu->svm->next_rip = vcpu->svm->vmcb->save.rip + 2;
1258 if (svm_set_msr(vcpu, ecx, data))
1259 svm_inject_gp(vcpu, 0);
1261 skip_emulated_instruction(vcpu);
1265 static int msr_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1267 if (vcpu->svm->vmcb->control.exit_info_1)
1268 return wrmsr_interception(vcpu, kvm_run);
1270 return rdmsr_interception(vcpu, kvm_run);
1273 static int interrupt_window_interception(struct kvm_vcpu *vcpu,
1281 !vcpu->irq_summary) {
1282 ++vcpu->stat.irq_window_exits;
1290 static int (*svm_exit_handlers[])(struct kvm_vcpu *vcpu,
1337 static int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1339 u32 exit_code = vcpu->svm->vmcb->control.exit_code;
1341 if (is_external_interrupt(vcpu->svm->vmcb->control.exit_int_info) &&
1345 __FUNCTION__, vcpu->svm->vmcb->control.exit_int_info,
1355 return svm_exit_handlers[exit_code](vcpu, kvm_run);
1358 static void reload_tss(struct kvm_vcpu *vcpu)
1367 static void pre_svm_run(struct kvm_vcpu *vcpu)
1373 vcpu->svm->vmcb->control.tlb_ctl = TLB_CONTROL_DO_NOTHING;
1374 if (vcpu->cpu != cpu ||
1375 vcpu->svm->asid_generation != svm_data->asid_generation)
1376 new_asid(vcpu, svm_data);
1380 static inline void kvm_do_inject_irq(struct kvm_vcpu *vcpu)
1384 control = &vcpu->svm->vmcb->control;
1385 control->int_vector = pop_irq(vcpu);
1391 static void kvm_reput_irq(struct kvm_vcpu *vcpu)
1393 struct vmcb_control_area *control = &vcpu->svm->vmcb->control;
1397 push_irq(vcpu, control->int_vector);
1400 vcpu->interrupt_window_open =
1404 static void do_interrupt_requests(struct kvm_vcpu *vcpu,
1407 struct vmcb_control_area *control = &vcpu->svm->vmcb->control;
1409 vcpu->interrupt_window_open =
1411 (vcpu->svm->vmcb->save.rflags & X86_EFLAGS_IF));
1413 if (vcpu->interrupt_window_open && vcpu->irq_summary)
1417 kvm_do_inject_irq(vcpu);
1422 if (!vcpu->interrupt_window_open &&
1423 (vcpu->irq_summary || kvm_run->request_interrupt_window)) {
1429 static void post_kvm_run_save(struct kvm_vcpu *vcpu,
1432 kvm_run->ready_for_interrupt_injection = (vcpu->interrupt_window_open &&
1433 vcpu->irq_summary == 0);
1434 kvm_run->if_flag = (vcpu->svm->vmcb->save.rflags & X86_EFLAGS_IF) != 0;
1435 kvm_run->cr8 = vcpu->cr8;
1436 kvm_run->apic_base = vcpu->apic_base;
1445 static int dm_request_for_irq_injection(struct kvm_vcpu *vcpu,
1448 return (!vcpu->irq_summary &&
1450 vcpu->interrupt_window_open &&
1451 (vcpu->svm->vmcb->save.rflags & X86_EFLAGS_IF));
1470 static int svm_vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
1478 if (!vcpu->mmio_read_completed)
1479 do_interrupt_requests(vcpu, kvm_run);
1483 pre_svm_run(vcpu);
1485 save_host_msrs(vcpu);
1489 vcpu->svm->host_cr2 = kvm_read_cr2();
1490 vcpu->svm->host_dr6 = read_dr6();
1491 vcpu->svm->host_dr7 = read_dr7();
1492 vcpu->svm->vmcb->save.cr2 = vcpu->cr2;
1494 if (vcpu->svm->vmcb->save.dr7 & 0xff) {
1496 save_db_regs(vcpu->svm->host_db_regs);
1497 load_db_regs(vcpu->svm->db_regs);
1500 if (vcpu->fpu_active) {
1501 fx_save(vcpu->host_fx_image);
1502 fx_restore(vcpu->guest_fx_image);
1517 "mov %c[rbx](%[vcpu]), %%rbx \n\t"
1518 "mov %c[rcx](%[vcpu]), %%rcx \n\t"
1519 "mov %c[rdx](%[vcpu]), %%rdx \n\t"
1520 "mov %c[rsi](%[vcpu]), %%rsi \n\t"
1521 "mov %c[rdi](%[vcpu]), %%rdi \n\t"
1522 "mov %c[rbp](%[vcpu]), %%rbp \n\t"
1523 "mov %c[r8](%[vcpu]), %%r8 \n\t"
1524 "mov %c[r9](%[vcpu]), %%r9 \n\t"
1525 "mov %c[r10](%[vcpu]), %%r10 \n\t"
1526 "mov %c[r11](%[vcpu]), %%r11 \n\t"
1527 "mov %c[r12](%[vcpu]), %%r12 \n\t"
1528 "mov %c[r13](%[vcpu]), %%r13 \n\t"
1529 "mov %c[r14](%[vcpu]), %%r14 \n\t"
1530 "mov %c[r15](%[vcpu]), %%r15 \n\t"
1532 "mov %c[rbx](%[vcpu]), %%ebx \n\t"
1533 "mov %c[rcx](%[vcpu]), %%ecx \n\t"
1534 "mov %c[rdx](%[vcpu]), %%edx \n\t"
1535 "mov %c[rsi](%[vcpu]), %%esi \n\t"
1536 "mov %c[rdi](%[vcpu]), %%edi \n\t"
1537 "mov %c[rbp](%[vcpu]), %%ebp \n\t"
1543 "mov %c[svm](%[vcpu]), %%rax \n\t"
1552 "mov %c[svm](%[vcpu]), %%eax \n\t"
1562 "mov %%rbx, %c[rbx](%[vcpu]) \n\t"
1563 "mov %%rcx, %c[rcx](%[vcpu]) \n\t"
1564 "mov %%rdx, %c[rdx](%[vcpu]) \n\t"
1565 "mov %%rsi, %c[rsi](%[vcpu]) \n\t"
1566 "mov %%rdi, %c[rdi](%[vcpu]) \n\t"
1567 "mov %%rbp, %c[rbp](%[vcpu]) \n\t"
1568 "mov %%r8, %c[r8](%[vcpu]) \n\t"
1569 "mov %%r9, %c[r9](%[vcpu]) \n\t"
1570 "mov %%r10, %c[r10](%[vcpu]) \n\t"
1571 "mov %%r11, %c[r11](%[vcpu]) \n\t"
1572 "mov %%r12, %c[r12](%[vcpu]) \n\t"
1573 "mov %%r13, %c[r13](%[vcpu]) \n\t"
1574 "mov %%r14, %c[r14](%[vcpu]) \n\t"
1575 "mov %%r15, %c[r15](%[vcpu]) \n\t"
1582 "mov %%ebx, %c[rbx](%[vcpu]) \n\t"
1583 "mov %%ecx, %c[rcx](%[vcpu]) \n\t"
1584 "mov %%edx, %c[rdx](%[vcpu]) \n\t"
1585 "mov %%esi, %c[rsi](%[vcpu]) \n\t"
1586 "mov %%edi, %c[rdi](%[vcpu]) \n\t"
1587 "mov %%ebp, %c[rbp](%[vcpu]) \n\t"
1593 : [vcpu]"a"(vcpu),
1614 if (vcpu->fpu_active) {
1615 fx_save(vcpu->guest_fx_image);
1616 fx_restore(vcpu->host_fx_image);
1619 if ((vcpu->svm->vmcb->save.dr7 & 0xff))
1620 load_db_regs(vcpu->svm->host_db_regs);
1622 vcpu->cr2 = vcpu->svm->vmcb->save.cr2;
1624 write_dr6(vcpu->svm->host_dr6);
1625 write_dr7(vcpu->svm->host_dr7);
1626 kvm_write_cr2(vcpu->svm->host_cr2);
1631 load_host_msrs(vcpu);
1633 reload_tss(vcpu);
1640 (void *)(unsigned long)vcpu->svm->vmcb->save.rip);
1644 kvm_reput_irq(vcpu);
1646 vcpu->svm->next_rip = 0;
1648 if (vcpu->svm->vmcb->control.exit_code == SVM_EXIT_ERR) {
1651 = vcpu->svm->vmcb->control.exit_code;
1652 post_kvm_run_save(vcpu, kvm_run);
1656 r = handle_exit(vcpu, kvm_run);
1659 ++vcpu->stat.signal_exits;
1660 post_kvm_run_save(vcpu, kvm_run);
1665 if (dm_request_for_irq_injection(vcpu, kvm_run)) {
1666 ++vcpu->stat.request_irq_exits;
1667 post_kvm_run_save(vcpu, kvm_run);
1671 kvm_resched(vcpu);
1674 post_kvm_run_save(vcpu, kvm_run);
1678 static void svm_flush_tlb(struct kvm_vcpu *vcpu)
1680 force_new_asid(vcpu);
1683 static void svm_set_cr3(struct kvm_vcpu *vcpu, unsigned long root)
1685 vcpu->svm->vmcb->save.cr3 = root;
1686 force_new_asid(vcpu);
1688 if (vcpu->fpu_active) {
1689 vcpu->svm->vmcb->control.intercept_exceptions |= (1 << NM_VECTOR);
1690 vcpu->svm->vmcb->save.cr0 |= CR0_TS_MASK;
1691 vcpu->fpu_active = 0;
1695 static void svm_inject_page_fault(struct kvm_vcpu *vcpu,
1699 uint32_t exit_int_info = vcpu->svm->vmcb->control.exit_int_info;
1701 ++vcpu->stat.pf_guest;
1705 vcpu->svm->vmcb->control.event_inj_err = 0;
1706 vcpu->svm->vmcb->control.event_inj = SVM_EVTINJ_VALID |
1712 vcpu->cr2 = addr;
1713 vcpu->svm->vmcb->save.cr2 = addr;
1714 vcpu->svm->vmcb->control.event_inj = SVM_EVTINJ_VALID |
1718 vcpu->svm->vmcb->control.event_inj_err = err_code;
1728 svm_patch_hypercall(struct kvm_vcpu *vcpu, unsigned char *hypercall)