2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
24 #include <palacios/svm.h>
25 #include <palacios/vmm.h>
27 #include <palacios/vmcb.h>
28 #include <palacios/vmm_mem.h>
29 #include <palacios/vmm_paging.h>
30 #include <palacios/svm_handler.h>
32 #include <palacios/vmm_debug.h>
33 #include <palacios/vm_guest_mem.h>
35 #include <palacios/vmm_decoder.h>
36 #include <palacios/vmm_string.h>
37 #include <palacios/vmm_lowlevel.h>
38 #include <palacios/svm_msr.h>
42 extern void v3_stgi();
43 extern void v3_clgi();
44 extern int v3_svm_launch(vmcb_t * vmcb, struct v3_gprs * vm_regs);
49 static vmcb_t * Allocate_VMCB() {
50 vmcb_t * vmcb_page = (vmcb_t *)V3_VAddr(V3_AllocPages(1));
52 memset(vmcb_page, 0, 4096);
59 #include <palacios/vmm_ctrl_regs.h>
61 static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info *vm_info) {
62 vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
63 vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb);
67 guest_state->rsp = vm_info->vm_regs.rsp;
68 // guest_state->rip = vm_info->rip;
69 guest_state->rip = 0xfff0;
73 //ctrl_area->instrs.instrs.CR0 = 1;
74 ctrl_area->cr_reads.cr0 = 1;
75 ctrl_area->cr_writes.cr0 = 1;
76 //ctrl_area->cr_reads.cr4 = 1;
77 ctrl_area->cr_writes.cr4 = 1;
80 /* Set up the efer to enable 64 bit page tables */
83 struct efer_64 * efer = (struct efer_64 *)&(guest_state->efer);
84 struct cr4_32 * cr4 = (struct cr4_32 *)&(guest_state->cr4);
92 guest_state->efer |= EFER_MSR_svm_enable;
93 vm_info->guest_efer.value = 0x0LL;
95 v3_hook_msr(vm_info, EFER_MSR,
97 &v3_handle_efer_write,
102 guest_state->rflags = 0x00000002; // The reserved bit is always 1
103 ctrl_area->svm_instrs.VMRUN = 1;
104 ctrl_area->svm_instrs.VMMCALL = 1;
105 ctrl_area->svm_instrs.VMLOAD = 1;
106 ctrl_area->svm_instrs.VMSAVE = 1;
107 ctrl_area->svm_instrs.STGI = 1;
108 ctrl_area->svm_instrs.CLGI = 1;
109 ctrl_area->svm_instrs.SKINIT = 1;
110 ctrl_area->svm_instrs.RDTSCP = 1;
111 ctrl_area->svm_instrs.ICEBP = 1;
112 ctrl_area->svm_instrs.WBINVD = 1;
113 ctrl_area->svm_instrs.MONITOR = 1;
114 ctrl_area->svm_instrs.MWAIT_always = 1;
115 ctrl_area->svm_instrs.MWAIT_if_armed = 1;
118 ctrl_area->instrs.HLT = 1;
119 // guest_state->cr0 = 0x00000001; // PE
120 ctrl_area->guest_ASID = 1;
124 ctrl_area->exceptions.de = 1;
125 ctrl_area->exceptions.df = 1;
127 ctrl_area->exceptions.ts = 1;
128 ctrl_area->exceptions.ss = 1;
129 ctrl_area->exceptions.ac = 1;
130 ctrl_area->exceptions.mc = 1;
131 ctrl_area->exceptions.gp = 1;
132 ctrl_area->exceptions.ud = 1;
133 ctrl_area->exceptions.np = 1;
134 ctrl_area->exceptions.of = 1;
136 ctrl_area->exceptions.nmi = 1;
140 // Debug of boot on physical machines - 7/14/08
141 ctrl_area->instrs.NMI=1;
142 ctrl_area->instrs.SMI=1;
143 ctrl_area->instrs.INIT=1;
144 ctrl_area->instrs.PAUSE=1;
145 ctrl_area->instrs.shutdown_evts=1;
147 vm_info->vm_regs.rdx = 0x00000f00;
149 guest_state->cr0 = 0x60000010;
152 guest_state->cs.selector = 0xf000;
153 guest_state->cs.limit=0xffff;
154 guest_state->cs.base = 0x0000000f0000LL;
155 guest_state->cs.attrib.raw = 0xf3;
158 /* DEBUG FOR RETURN CODE */
159 ctrl_area->exit_code = 1;
162 struct vmcb_selector *segregs [] = {&(guest_state->ss), &(guest_state->ds), &(guest_state->es), &(guest_state->fs), &(guest_state->gs), NULL};
163 for ( i = 0; segregs[i] != NULL; i++) {
164 struct vmcb_selector * seg = segregs[i];
166 seg->selector = 0x0000;
167 // seg->base = seg->selector << 4;
168 seg->base = 0x00000000;
169 seg->attrib.raw = 0xf3;
173 guest_state->gdtr.limit = 0x0000ffff;
174 guest_state->gdtr.base = 0x0000000000000000LL;
175 guest_state->idtr.limit = 0x0000ffff;
176 guest_state->idtr.base = 0x0000000000000000LL;
178 guest_state->ldtr.selector = 0x0000;
179 guest_state->ldtr.limit = 0x0000ffff;
180 guest_state->ldtr.base = 0x0000000000000000LL;
181 guest_state->tr.selector = 0x0000;
182 guest_state->tr.limit = 0x0000ffff;
183 guest_state->tr.base = 0x0000000000000000LL;
186 guest_state->dr6 = 0x00000000ffff0ff0LL;
187 guest_state->dr7 = 0x0000000000000400LL;
194 if (vm_info->io_map.num_ports > 0) {
195 struct vmm_io_hook * iter;
196 addr_t io_port_bitmap;
198 io_port_bitmap = (addr_t)V3_VAddr(V3_AllocPages(3));
199 memset((uchar_t*)io_port_bitmap, 0, PAGE_SIZE * 3);
201 ctrl_area->IOPM_BASE_PA = (addr_t)V3_PAddr((void *)io_port_bitmap);
203 //PrintDebug("Setting up IO Map at 0x%x\n", io_port_bitmap);
205 FOREACH_IO_HOOK(vm_info->io_map, iter) {
206 ushort_t port = iter->port;
207 uchar_t * bitmap = (uchar_t *)io_port_bitmap;
209 bitmap += (port / 8);
210 // PrintDebug("Setting Bit for port 0x%x\n", port);
211 *bitmap |= 1 << (port % 8);
215 //PrintDebugMemDump((uchar_t*)io_port_bitmap, PAGE_SIZE *2);
217 ctrl_area->instrs.IOIO_PROT = 1;
221 PrintDebug("Exiting on interrupts\n");
222 ctrl_area->guest_ctrl.V_INTR_MASKING = 1;
223 ctrl_area->instrs.INTR = 1;
226 if (vm_info->shdw_pg_mode == SHADOW_PAGING) {
227 PrintDebug("Creating initial shadow page table\n");
231 /* Testing 64 bit page tables for long paged real mode guests */
232 // vm_info->direct_map_pt = (addr_t)V3_PAddr(create_passthrough_pts_64(vm_info));
233 vm_info->direct_map_pt = (addr_t)V3_PAddr(create_passthrough_pts_32(vm_info));
236 vm_info->shdw_pg_state.guest_cr0 = 0x0000000000000010LL;
237 PrintDebug("Created\n");
240 guest_state->cr3 = vm_info->direct_map_pt;
243 //PrintDebugPageTables((pde32_t*)(vm_info->shdw_pg_state.shadow_cr3.e_reg.low));
245 ctrl_area->cr_reads.cr3 = 1;
246 ctrl_area->cr_writes.cr3 = 1;
249 ctrl_area->instrs.INVLPG = 1;
250 ctrl_area->instrs.INVLPGA = 1;
252 ctrl_area->exceptions.pf = 1;
254 /* JRL: This is a performance killer, and a simplistic solution */
255 /* We need to fix this */
256 ctrl_area->TLB_CONTROL = 1;
259 guest_state->g_pat = 0x7040600070406ULL;
261 guest_state->cr0 |= 0x80000000;
263 } else if (vm_info->shdw_pg_mode == NESTED_PAGING) {
264 // Flush the TLB on entries/exits
265 ctrl_area->TLB_CONTROL = 1;
267 // Enable Nested Paging
268 ctrl_area->NP_ENABLE = 1;
270 PrintDebug("NP_Enable at 0x%p\n", (void *)&(ctrl_area->NP_ENABLE));
272 // Set the Nested Page Table pointer
273 vm_info->direct_map_pt = ((addr_t)create_passthrough_pts_32(vm_info) & ~0xfff);
274 ctrl_area->N_CR3 = vm_info->direct_map_pt;
276 // ctrl_area->N_CR3 = Get_CR3();
277 // guest_state->cr3 |= (Get_CR3() & 0xfffff000);
279 guest_state->g_pat = 0x7040600070406ULL;
283 if (vm_info->msr_map.num_hooks > 0) {
284 PrintDebug("Hooking %d msrs\n", vm_info->msr_map.num_hooks);
285 ctrl_area->MSRPM_BASE_PA = v3_init_svm_msr_map(vm_info);
286 ctrl_area->instrs.MSR_PROT = 1;
295 static int init_svm_guest(struct guest_info *info) {
297 PrintDebug("Allocating VMCB\n");
298 info->vmm_data = (void*)Allocate_VMCB();
301 //PrintDebug("Generating Guest nested page tables\n");
302 // info->page_tables = NULL;
303 //info->page_tables = generate_guest_page_tables_64(&(info->mem_layout), &(info->mem_list));
304 //info->page_tables = generate_guest_page_tables(&(info->mem_layout), &(info->mem_list));
305 // PrintDebugPageTables(info->page_tables);
308 PrintDebug("Initializing VMCB (addr=%p)\n", (void *)info->vmm_data);
309 Init_VMCB_BIOS((vmcb_t*)(info->vmm_data), info);
312 info->run_state = VM_STOPPED;
316 info->vm_regs.rdi = 0;
317 info->vm_regs.rsi = 0;
318 info->vm_regs.rbp = 0;
319 info->vm_regs.rsp = 0;
320 info->vm_regs.rbx = 0;
321 info->vm_regs.rdx = 0;
322 info->vm_regs.rcx = 0;
323 info->vm_regs.rax = 0;
330 // can we start a kernel thread here...
331 static int start_svm_guest(struct guest_info *info) {
332 vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data));
333 vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
334 uint_t num_exits = 0;
338 PrintDebug("Launching SVM VM (vmcb=%p)\n", (void *)info->vmm_data);
339 //PrintDebugVMCB((vmcb_t*)(info->vmm_data));
341 info->run_state = VM_RUNNING;
345 uint_t vm_cr_low = 0, vm_cr_high = 0;
352 //PrintDebug("SVM Entry to rip=%p...\n", (void *)info->rip);
354 v3_get_msr(0xc0000101, &vm_cr_high, &vm_cr_low);
356 rdtscll(info->time_state.cached_host_tsc);
358 guest_ctrl->TSC_OFFSET = info->time_state.guest_tsc - info->time_state.cached_host_tsc;
360 v3_svm_launch((vmcb_t*)V3_PAddr(info->vmm_data), &(info->vm_regs));
363 v3_set_msr(0xc0000101, vm_cr_high, vm_cr_low);
364 //PrintDebug("SVM Returned\n");
368 v3_update_time(info, tmp_tsc - info->time_state.cached_host_tsc);
371 //PrintDebug("Turning on global interrupts\n");
375 if (num_exits % 25 == 0) {
376 PrintDebug("SVM Exit number %d\n", num_exits);
380 if (v3_handle_svm_exit(info) != 0) {
381 vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
383 addr_t linear_addr = 0;
385 info->run_state = VM_ERROR;
387 PrintDebug("SVM ERROR!!\n");
389 PrintDebug("RIP: %p\n", (void *)(addr_t)(guest_state->rip));
392 linear_addr = get_addr_linear(info, guest_state->rip, &(info->segments.cs));
395 PrintDebug("RIP Linear: %p\n", (void *)linear_addr);
396 v3_print_segments(info);
397 v3_print_ctrl_regs(info);
402 PrintDebug("SVM Exit Code: %p\n", (void *)(addr_t)guest_ctrl->exit_code);
404 PrintDebug("exit_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
405 PrintDebug("exit_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
407 PrintDebug("exit_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2));
408 PrintDebug("exit_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4));
410 if (info->mem_mode == PHYSICAL_MEM) {
411 guest_pa_to_host_va(info, linear_addr, &host_addr);
412 } else if (info->mem_mode == VIRTUAL_MEM) {
413 guest_va_to_host_va(info, linear_addr, &host_addr);
417 PrintDebug("Host Address of rip = 0x%p\n", (void *)host_addr);
419 PrintDebug("Instr (15 bytes) at %p:\n", (void *)host_addr);
420 PrintTraceMemDump((uchar_t *)host_addr, 15);
432 /* Checks machine SVM capability */
433 /* Implemented from: AMD Arch Manual 3, sect 15.4 */
434 int v3_is_svm_capable() {
438 uint_t vm_cr_low = 0, vm_cr_high = 0;
439 addr_t eax = 0, ebx = 0, ecx = 0, edx = 0;
441 v3_cpuid(CPUID_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
443 PrintDebug("CPUID_FEATURE_IDS_ecx=0x%p\n", (void *)ecx);
445 if ((ecx & CPUID_FEATURE_IDS_ecx_svm_avail) == 0) {
446 PrintDebug("SVM Not Available\n");
449 v3_get_msr(SVM_VM_CR_MSR, &vm_cr_high, &vm_cr_low);
451 PrintDebug("SVM_VM_CR_MSR = 0x%x 0x%x\n", vm_cr_high, vm_cr_low);
453 if ((vm_cr_low & SVM_VM_CR_MSR_svmdis) == 1) {
454 PrintDebug("SVM is available but is disabled.\n");
456 v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
458 PrintDebug("CPUID_FEATURE_IDS_edx=0x%p\n", (void *)edx);
460 if ((edx & CPUID_SVM_REV_AND_FEATURE_IDS_edx_svml) == 0) {
461 PrintDebug("SVM BIOS Disabled, not unlockable\n");
463 PrintDebug("SVM is locked with a key\n");
468 PrintDebug("SVM is available and enabled.\n");
470 v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
472 PrintDebug("CPUID_FEATURE_IDS_edx=0x%p\n", (void *)edx);
474 if ((edx & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 0) {
475 PrintDebug("SVM Nested Paging not supported\n");
477 PrintDebug("SVM Nested Paging supported\n");
486 uint_t eax = 0, ebx = 0, ecx = 0, edx = 0;
487 addr_t vm_cr_low = 0, vm_cr_high = 0;
489 v3_cpuid(CPUID_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
491 if ((ecx & CPUID_FEATURE_IDS_ecx_svm_avail) == 0) {
492 PrintDebug("SVM Not Available\n");
496 v3_get_msr(SVM_VM_CR_MSR, &vm_cr_high, &vm_cr_low);
498 PrintDebug("SVM_VM_CR_MSR = 0x%x 0x%x\n", vm_cr_high, vm_cr_low);
501 // this part is clearly wrong, since the np bit is in
503 if ((edx & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 1) {
504 PrintDebug("Nested Paging not supported\n");
506 PrintDebug("Nested Paging supported\n");
509 if ((vm_cr_low & SVM_VM_CR_MSR_svmdis) == 0) {
510 PrintDebug("SVM is disabled.\n");
514 v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
516 if ((edx & CPUID_SVM_REV_AND_FEATURE_IDS_edx_svml) == 0) {
517 PrintDebug("SVM BIOS Disabled, not unlockable\n");
519 PrintDebug("SVM is locked with a key\n");
528 static int has_svm_nested_paging() {
529 addr_t eax = 0, ebx = 0, ecx = 0, edx = 0;
531 v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
533 //PrintDebug("CPUID_FEATURE_IDS_edx=0x%x\n", edx);
535 if ((edx & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 0) {
536 PrintDebug("SVM Nested Paging not supported\n");
539 PrintDebug("SVM Nested Paging supported\n");
547 void v3_init_SVM(struct v3_ctrl_ops * vmm_ops) {
552 // Enable SVM on the CPU
553 v3_get_msr(EFER_MSR, &(msr.e_reg.high), &(msr.e_reg.low));
554 msr.e_reg.low |= EFER_MSR_svm_enable;
555 v3_set_msr(EFER_MSR, 0, msr.e_reg.low);
557 PrintDebug("SVM Enabled\n");
560 // Setup the host state save area
561 host_state = V3_AllocPages(4);
565 // msr.e_reg.high = 0;
566 //msr.e_reg.low = (uint_t)host_state;
567 msr.r_reg = (addr_t)host_state;
569 PrintDebug("Host State being saved at %p\n", (void *)(addr_t)host_state);
570 v3_set_msr(SVM_VM_HSAVE_PA_MSR, msr.e_reg.high, msr.e_reg.low);
574 // Setup the SVM specific vmm operations
575 vmm_ops->init_guest = &init_svm_guest;
576 vmm_ops->start_guest = &start_svm_guest;
577 vmm_ops->has_nested_paging = &has_svm_nested_paging;
633 /*static void Init_VMCB(vmcb_t * vmcb, struct guest_info vm_info) {
634 vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
635 vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb);
639 guest_state->rsp = vm_info.vm_regs.rsp;
640 guest_state->rip = vm_info.rip;
643 //ctrl_area->instrs.instrs.CR0 = 1;
644 ctrl_area->cr_reads.cr0 = 1;
645 ctrl_area->cr_writes.cr0 = 1;
647 guest_state->efer |= EFER_MSR_svm_enable;
648 guest_state->rflags = 0x00000002; // The reserved bit is always 1
649 ctrl_area->svm_instrs.VMRUN = 1;
650 // guest_state->cr0 = 0x00000001; // PE
651 ctrl_area->guest_ASID = 1;
654 ctrl_area->exceptions.de = 1;
655 ctrl_area->exceptions.df = 1;
656 ctrl_area->exceptions.pf = 1;
657 ctrl_area->exceptions.ts = 1;
658 ctrl_area->exceptions.ss = 1;
659 ctrl_area->exceptions.ac = 1;
660 ctrl_area->exceptions.mc = 1;
661 ctrl_area->exceptions.gp = 1;
662 ctrl_area->exceptions.ud = 1;
663 ctrl_area->exceptions.np = 1;
664 ctrl_area->exceptions.of = 1;
665 ctrl_area->exceptions.nmi = 1;
667 guest_state->cs.selector = 0x0000;
668 guest_state->cs.limit=~0u;
669 guest_state->cs.base = guest_state->cs.selector<<4;
670 guest_state->cs.attrib.raw = 0xf3;
673 struct vmcb_selector *segregs [] = {&(guest_state->ss), &(guest_state->ds), &(guest_state->es), &(guest_state->fs), &(guest_state->gs), NULL};
674 for ( i = 0; segregs[i] != NULL; i++) {
675 struct vmcb_selector * seg = segregs[i];
677 seg->selector = 0x0000;
678 seg->base = seg->selector << 4;
679 seg->attrib.raw = 0xf3;
683 if (vm_info.io_map.num_ports > 0) {
684 struct vmm_io_hook * iter;
685 addr_t io_port_bitmap;
687 io_port_bitmap = (addr_t)V3_AllocPages(3);
688 memset((uchar_t*)io_port_bitmap, 0, PAGE_SIZE * 3);
690 ctrl_area->IOPM_BASE_PA = io_port_bitmap;
692 //PrintDebug("Setting up IO Map at 0x%x\n", io_port_bitmap);
694 FOREACH_IO_HOOK(vm_info.io_map, iter) {
695 ushort_t port = iter->port;
696 uchar_t * bitmap = (uchar_t *)io_port_bitmap;
698 bitmap += (port / 8);
699 PrintDebug("Setting Bit in block %x\n", bitmap);
700 *bitmap |= 1 << (port % 8);
704 //PrintDebugMemDump((uchar_t*)io_port_bitmap, PAGE_SIZE *2);
706 ctrl_area->instrs.IOIO_PROT = 1;
709 ctrl_area->instrs.INTR = 1;
713 if (vm_info.page_mode == SHADOW_PAGING) {
714 PrintDebug("Creating initial shadow page table\n");
715 vm_info.shdw_pg_state.shadow_cr3 |= ((addr_t)create_passthrough_pts_32(&vm_info) & ~0xfff);
716 PrintDebug("Created\n");
718 guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3;
720 ctrl_area->cr_reads.cr3 = 1;
721 ctrl_area->cr_writes.cr3 = 1;
724 ctrl_area->instrs.INVLPG = 1;
725 ctrl_area->instrs.INVLPGA = 1;
727 guest_state->g_pat = 0x7040600070406ULL;
729 guest_state->cr0 |= 0x80000000;
730 } else if (vm_info.page_mode == NESTED_PAGING) {
731 // Flush the TLB on entries/exits
732 //ctrl_area->TLB_CONTROL = 1;
734 // Enable Nested Paging
735 //ctrl_area->NP_ENABLE = 1;
737 //PrintDebug("NP_Enable at 0x%x\n", &(ctrl_area->NP_ENABLE));
739 // Set the Nested Page Table pointer
740 // ctrl_area->N_CR3 = ((addr_t)vm_info.page_tables);
741 // ctrl_area->N_CR3 = (addr_t)(vm_info.page_tables);
743 // ctrl_area->N_CR3 = Get_CR3();
744 // guest_state->cr3 |= (Get_CR3() & 0xfffff000);
746 // guest_state->g_pat = 0x7040600070406ULL;
761 void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) {
762 vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
763 vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb);
767 guest_state->rsp = vm_info.vm_regs.rsp;
768 guest_state->rip = vm_info.rip;
771 /* I pretty much just gutted this from TVMM */
772 /* Note: That means its probably wrong */
774 // set the segment registers to mirror ours
775 guest_state->cs.selector = 1<<3;
776 guest_state->cs.attrib.fields.type = 0xa; // Code segment+read
777 guest_state->cs.attrib.fields.S = 1;
778 guest_state->cs.attrib.fields.P = 1;
779 guest_state->cs.attrib.fields.db = 1;
780 guest_state->cs.attrib.fields.G = 1;
781 guest_state->cs.limit = 0xfffff;
782 guest_state->cs.base = 0;
784 struct vmcb_selector *segregs [] = {&(guest_state->ss), &(guest_state->ds), &(guest_state->es), &(guest_state->fs), &(guest_state->gs), NULL};
785 for ( i = 0; segregs[i] != NULL; i++) {
786 struct vmcb_selector * seg = segregs[i];
788 seg->selector = 2<<3;
789 seg->attrib.fields.type = 0x2; // Data Segment+read/write
790 seg->attrib.fields.S = 1;
791 seg->attrib.fields.P = 1;
792 seg->attrib.fields.db = 1;
793 seg->attrib.fields.G = 1;
794 seg->limit = 0xfffff;
800 /* JRL THIS HAS TO GO */
802 // guest_state->tr.selector = GetTR_Selector();
803 guest_state->tr.attrib.fields.type = 0x9;
804 guest_state->tr.attrib.fields.P = 1;
805 // guest_state->tr.limit = GetTR_Limit();
806 //guest_state->tr.base = GetTR_Base();// - 0x2000;
814 guest_state->efer |= EFER_MSR_svm_enable;
815 guest_state->rflags = 0x00000002; // The reserved bit is always 1
816 ctrl_area->svm_instrs.VMRUN = 1;
817 guest_state->cr0 = 0x00000001; // PE
818 ctrl_area->guest_ASID = 1;
821 // guest_state->cpl = 0;
827 ctrl_area->cr_writes.cr4 = 1;
829 ctrl_area->exceptions.de = 1;
830 ctrl_area->exceptions.df = 1;
831 ctrl_area->exceptions.pf = 1;
832 ctrl_area->exceptions.ts = 1;
833 ctrl_area->exceptions.ss = 1;
834 ctrl_area->exceptions.ac = 1;
835 ctrl_area->exceptions.mc = 1;
836 ctrl_area->exceptions.gp = 1;
837 ctrl_area->exceptions.ud = 1;
838 ctrl_area->exceptions.np = 1;
839 ctrl_area->exceptions.of = 1;
840 ctrl_area->exceptions.nmi = 1;
844 ctrl_area->instrs.IOIO_PROT = 1;
845 ctrl_area->IOPM_BASE_PA = (uint_t)V3_AllocPages(3);
849 tmp_reg.r_reg = ctrl_area->IOPM_BASE_PA;
850 memset((void*)(tmp_reg.e_reg.low), 0xffffffff, PAGE_SIZE * 2);
853 ctrl_area->instrs.INTR = 1;
860 memset(gdt_buf, 0, 6);
861 memset(idt_buf, 0, 6);
864 uint_t gdt_base, idt_base;
865 ushort_t gdt_limit, idt_limit;
868 gdt_base = *(ulong_t*)((uchar_t*)gdt_buf + 2) & 0xffffffff;
869 gdt_limit = *(ushort_t*)(gdt_buf) & 0xffff;
870 PrintDebug("GDT: base: %x, limit: %x\n", gdt_base, gdt_limit);
873 idt_base = *(ulong_t*)(idt_buf + 2) & 0xffffffff;
874 idt_limit = *(ushort_t*)(idt_buf) & 0xffff;
875 PrintDebug("IDT: base: %x, limit: %x\n",idt_base, idt_limit);
878 // gdt_base -= 0x2000;
879 //idt_base -= 0x2000;
881 guest_state->gdtr.base = gdt_base;
882 guest_state->gdtr.limit = gdt_limit;
883 guest_state->idtr.base = idt_base;
884 guest_state->idtr.limit = idt_limit;
890 // also determine if CPU supports nested paging
892 if (vm_info.page_tables) {
894 // Flush the TLB on entries/exits
895 ctrl_area->TLB_CONTROL = 1;
897 // Enable Nested Paging
898 ctrl_area->NP_ENABLE = 1;
900 PrintDebug("NP_Enable at 0x%x\n", &(ctrl_area->NP_ENABLE));
902 // Set the Nested Page Table pointer
903 ctrl_area->N_CR3 |= ((addr_t)vm_info.page_tables & 0xfffff000);
906 // ctrl_area->N_CR3 = Get_CR3();
907 // guest_state->cr3 |= (Get_CR3() & 0xfffff000);
909 guest_state->g_pat = 0x7040600070406ULL;
911 PrintDebug("Set Nested CR3: lo: 0x%x hi: 0x%x\n", (uint_t)*(&(ctrl_area->N_CR3)), (uint_t)*((unsigned char *)&(ctrl_area->N_CR3) + 4));
912 PrintDebug("Set Guest CR3: lo: 0x%x hi: 0x%x\n", (uint_t)*(&(guest_state->cr3)), (uint_t)*((unsigned char *)&(guest_state->cr3) + 4));
914 // guest_state->cr0 |= 0x80000000;