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".
21 #include <palacios/svm.h>
22 #include <palacios/vmm.h>
24 #include <palacios/vmcb.h>
25 #include <palacios/vmm_mem.h>
26 #include <palacios/vmm_paging.h>
27 #include <palacios/svm_handler.h>
29 #include <palacios/vmm_debug.h>
30 #include <palacios/vm_guest_mem.h>
32 #include <palacios/vmm_decoder.h>
33 #include <palacios/vmm_string.h>
34 #include <palacios/vmm_lowlevel.h>
35 #include <palacios/svm_msr.h>
37 #include <palacios/vmm_rbtree.h>
39 #include <palacios/vmm_profiler.h>
41 #include <palacios/vmm_direct_paging.h>
43 #include <palacios/vmm_ctrl_regs.h>
44 #include <palacios/vmm_config.h>
45 #include <palacios/svm_io.h>
48 extern void v3_stgi();
49 extern void v3_clgi();
50 //extern int v3_svm_launch(vmcb_t * vmcb, struct v3_gprs * vm_regs, uint64_t * fs, uint64_t * gs);
51 extern int v3_svm_launch(vmcb_t * vmcb, struct v3_gprs * vm_regs);
54 static vmcb_t * Allocate_VMCB() {
55 vmcb_t * vmcb_page = (vmcb_t *)V3_VAddr(V3_AllocPages(1));
57 memset(vmcb_page, 0, 4096);
64 static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info *vm_info) {
65 vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
66 vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb);
71 guest_state->rsp = 0x00;
72 guest_state->rip = 0xfff0;
77 guest_state->efer |= EFER_MSR_svm_enable;
80 guest_state->rflags = 0x00000002; // The reserved bit is always 1
81 ctrl_area->svm_instrs.VMRUN = 1;
82 ctrl_area->svm_instrs.VMMCALL = 1;
83 ctrl_area->svm_instrs.VMLOAD = 1;
84 ctrl_area->svm_instrs.VMSAVE = 1;
85 ctrl_area->svm_instrs.STGI = 1;
86 ctrl_area->svm_instrs.CLGI = 1;
87 ctrl_area->svm_instrs.SKINIT = 1;
88 ctrl_area->svm_instrs.RDTSCP = 1;
89 ctrl_area->svm_instrs.ICEBP = 1;
90 ctrl_area->svm_instrs.WBINVD = 1;
91 ctrl_area->svm_instrs.MONITOR = 1;
92 ctrl_area->svm_instrs.MWAIT_always = 1;
93 ctrl_area->svm_instrs.MWAIT_if_armed = 1;
94 ctrl_area->instrs.INVLPGA = 1;
97 ctrl_area->instrs.HLT = 1;
98 // guest_state->cr0 = 0x00000001; // PE
101 ctrl_area->exceptions.de = 1;
102 ctrl_area->exceptions.df = 1;
104 ctrl_area->exceptions.ts = 1;
105 ctrl_area->exceptions.ss = 1;
106 ctrl_area->exceptions.ac = 1;
107 ctrl_area->exceptions.mc = 1;
108 ctrl_area->exceptions.gp = 1;
109 ctrl_area->exceptions.ud = 1;
110 ctrl_area->exceptions.np = 1;
111 ctrl_area->exceptions.of = 1;
113 ctrl_area->exceptions.nmi = 1;
117 ctrl_area->instrs.NMI = 1;
118 ctrl_area->instrs.SMI = 1;
119 ctrl_area->instrs.INIT = 1;
120 ctrl_area->instrs.PAUSE = 1;
121 ctrl_area->instrs.shutdown_evts = 1;
123 vm_info->vm_regs.rdx = 0x00000f00;
125 guest_state->cr0 = 0x60000010;
128 guest_state->cs.selector = 0xf000;
129 guest_state->cs.limit = 0xffff;
130 guest_state->cs.base = 0x0000000f0000LL;
131 guest_state->cs.attrib.raw = 0xf3;
134 /* DEBUG FOR RETURN CODE */
135 ctrl_area->exit_code = 1;
138 struct vmcb_selector *segregs [] = {&(guest_state->ss), &(guest_state->ds),
139 &(guest_state->es), &(guest_state->fs),
140 &(guest_state->gs), NULL};
142 for ( i = 0; segregs[i] != NULL; i++) {
143 struct vmcb_selector * seg = segregs[i];
145 seg->selector = 0x0000;
146 // seg->base = seg->selector << 4;
147 seg->base = 0x00000000;
148 seg->attrib.raw = 0xf3;
152 guest_state->gdtr.limit = 0x0000ffff;
153 guest_state->gdtr.base = 0x0000000000000000LL;
154 guest_state->idtr.limit = 0x0000ffff;
155 guest_state->idtr.base = 0x0000000000000000LL;
157 guest_state->ldtr.selector = 0x0000;
158 guest_state->ldtr.limit = 0x0000ffff;
159 guest_state->ldtr.base = 0x0000000000000000LL;
160 guest_state->tr.selector = 0x0000;
161 guest_state->tr.limit = 0x0000ffff;
162 guest_state->tr.base = 0x0000000000000000LL;
165 guest_state->dr6 = 0x00000000ffff0ff0LL;
166 guest_state->dr7 = 0x0000000000000400LL;
169 v3_init_svm_io_map(vm_info);
170 ctrl_area->IOPM_BASE_PA = (addr_t)V3_PAddr(vm_info->io_map.arch_data);
171 ctrl_area->instrs.IOIO_PROT = 1;
175 v3_init_svm_msr_map(vm_info);
176 ctrl_area->MSRPM_BASE_PA = (addr_t)V3_PAddr(vm_info->msr_map.arch_data);
177 ctrl_area->instrs.MSR_PROT = 1;
181 PrintDebug("Exiting on interrupts\n");
182 ctrl_area->guest_ctrl.V_INTR_MASKING = 1;
183 ctrl_area->instrs.INTR = 1;
186 if (vm_info->shdw_pg_mode == SHADOW_PAGING) {
187 PrintDebug("Creating initial shadow page table\n");
189 /* JRL: This is a performance killer, and a simplistic solution */
190 /* We need to fix this */
191 ctrl_area->TLB_CONTROL = 1;
192 ctrl_area->guest_ASID = 1;
195 if (v3_init_passthrough_pts(vm_info) == -1) {
196 PrintError("Could not initialize passthrough page tables\n");
201 vm_info->shdw_pg_state.guest_cr0 = 0x0000000000000010LL;
202 PrintDebug("Created\n");
204 guest_state->cr3 = vm_info->direct_map_pt;
206 ctrl_area->cr_reads.cr0 = 1;
207 ctrl_area->cr_writes.cr0 = 1;
208 //ctrl_area->cr_reads.cr4 = 1;
209 ctrl_area->cr_writes.cr4 = 1;
210 ctrl_area->cr_reads.cr3 = 1;
211 ctrl_area->cr_writes.cr3 = 1;
213 v3_hook_msr(vm_info, EFER_MSR,
214 &v3_handle_efer_read,
215 &v3_handle_efer_write,
218 ctrl_area->instrs.INVLPG = 1;
220 ctrl_area->exceptions.pf = 1;
222 guest_state->g_pat = 0x7040600070406ULL;
224 guest_state->cr0 |= 0x80000000;
226 } else if (vm_info->shdw_pg_mode == NESTED_PAGING) {
227 // Flush the TLB on entries/exits
228 ctrl_area->TLB_CONTROL = 1;
229 ctrl_area->guest_ASID = 1;
231 // Enable Nested Paging
232 ctrl_area->NP_ENABLE = 1;
234 PrintDebug("NP_Enable at 0x%p\n", (void *)&(ctrl_area->NP_ENABLE));
236 // Set the Nested Page Table pointer
237 if (v3_init_passthrough_pts(vm_info) == -1) {
238 PrintError("Could not initialize Nested page tables\n");
242 ctrl_area->N_CR3 = vm_info->direct_map_pt;
244 guest_state->g_pat = 0x7040600070406ULL;
249 static int init_svm_guest(struct guest_info * info, struct v3_vm_config * config_ptr) {
252 v3_pre_config_guest(info, config_ptr);
254 PrintDebug("Allocating VMCB\n");
255 info->vmm_data = (void*)Allocate_VMCB();
257 PrintDebug("Initializing VMCB (addr=%p)\n", (void *)info->vmm_data);
258 Init_VMCB_BIOS((vmcb_t*)(info->vmm_data), info);
260 v3_post_config_guest(info, config_ptr);
267 // can we start a kernel thread here...
268 static int start_svm_guest(struct guest_info *info) {
269 // vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data));
270 // vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
271 uint_t num_exits = 0;
275 PrintDebug("Launching SVM VM (vmcb=%p)\n", (void *)info->vmm_data);
276 //PrintDebugVMCB((vmcb_t*)(info->vmm_data));
278 info->run_state = VM_RUNNING;
286 #define MSR_LSTAR 0xc0000082
287 #define MSR_CSTAR 0xc0000083
288 #define MSR_SF_MASK 0xc0000084
289 #define MSR_GS_BASE 0xc0000101
290 #define MSR_KERNGS_BASE 0xc0000102
291 struct v3_msr host_cstar;
292 struct v3_msr host_lstar;
293 struct v3_msr host_syscall_mask;
294 struct v3_msr host_gs_base;
295 struct v3_msr host_kerngs_base;
299 #define MSR_SYSENTER_CS 0x00000174
300 #define MSR_SYSENTER_ESP 0x00000175
301 #define MSR_SYSENTER_EIP 0x00000176
303 struct v3_msr host_sysenter_cs;
304 struct v3_msr host_sysenter_esp;
305 struct v3_msr host_sysenter_eip;
309 #define MSR_STAR 0xc0000081
310 struct v3_msr host_star;
314 PrintDebug("SVM Entry to CS=%p rip=%p...\n",
315 (void *)(addr_t)info->segments.cs.base,
316 (void *)(addr_t)info->rip);
321 v3_get_msr(MSR_SF_MASK, &(host_syscall_mask.hi), &(host_syscall_mask.lo));
322 v3_get_msr(MSR_LSTAR, &(host_lstar.hi), &(host_lstar.lo));
323 v3_get_msr(MSR_CSTAR, &(host_cstar.hi), &(host_cstar.lo));
324 v3_get_msr(MSR_GS_BASE, &(host_gs_base.hi), &(host_gs_base.lo));
325 v3_get_msr(MSR_KERNGS_BASE, &(host_kerngs_base.hi), &(host_kerngs_base.lo));
327 v3_get_msr(MSR_SYSENTER_CS, &(host_sysenter_cs.hi), &(host_sysenter_cs.lo));
328 v3_get_msr(MSR_SYSENTER_ESP, &(host_sysenter_esp.hi), &(host_sysenter_esp.lo));
329 v3_get_msr(MSR_SYSENTER_EIP, &(host_sysenter_eip.hi), &(host_sysenter_eip.lo));
331 v3_get_msr(MSR_STAR, &(host_star.hi), &(host_star.lo));
333 rdtscll(info->time_state.cached_host_tsc);
334 // guest_ctrl->TSC_OFFSET = info->time_state.guest_tsc - info->time_state.cached_host_tsc;
336 v3_svm_launch((vmcb_t*)V3_PAddr(info->vmm_data), &(info->vm_regs));
341 v3_set_msr(MSR_SF_MASK, host_syscall_mask.hi, host_syscall_mask.lo);
342 v3_set_msr(MSR_LSTAR, host_lstar.hi, host_lstar.lo);
343 v3_set_msr(MSR_CSTAR, host_cstar.hi, host_cstar.lo);
344 v3_set_msr(MSR_GS_BASE, host_gs_base.hi, host_gs_base.lo);
345 v3_set_msr(MSR_KERNGS_BASE, host_kerngs_base.hi, host_kerngs_base.lo);
347 v3_set_msr(MSR_SYSENTER_CS, host_sysenter_cs.hi, host_sysenter_cs.lo);
348 v3_set_msr(MSR_SYSENTER_ESP, host_sysenter_esp.hi, host_sysenter_esp.lo);
349 v3_set_msr(MSR_SYSENTER_EIP, host_sysenter_eip.hi, host_sysenter_eip.lo);
351 v3_set_msr(MSR_STAR, host_star.hi, host_star.lo);
354 //PrintDebug("SVM Returned\n");
358 v3_update_time(info, tmp_tsc - info->time_state.cached_host_tsc);
361 //PrintDebug("Turning on global interrupts\n");
365 if ((num_exits % 5000) == 0) {
366 PrintDebug("SVM Exit number %d\n", num_exits);
368 if (info->enable_profiler) {
369 v3_print_profile(info);
375 if (v3_handle_svm_exit(info) != 0) {
376 vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
378 addr_t linear_addr = 0;
380 info->run_state = VM_ERROR;
382 PrintDebug("SVM ERROR!!\n");
384 v3_print_guest_state(info);
386 PrintDebug("SVM Exit Code: %p\n", (void *)(addr_t)guest_ctrl->exit_code);
388 PrintDebug("exit_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
389 PrintDebug("exit_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
391 PrintDebug("exit_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2));
392 PrintDebug("exit_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4));
394 if (info->mem_mode == PHYSICAL_MEM) {
395 guest_pa_to_host_va(info, linear_addr, &host_addr);
396 } else if (info->mem_mode == VIRTUAL_MEM) {
397 guest_va_to_host_va(info, linear_addr, &host_addr);
401 PrintDebug("Host Address of rip = 0x%p\n", (void *)host_addr);
403 PrintDebug("Instr (15 bytes) at %p:\n", (void *)host_addr);
404 PrintTraceMemDump((uchar_t *)host_addr, 15);
416 /* Checks machine SVM capability */
417 /* Implemented from: AMD Arch Manual 3, sect 15.4 */
418 int v3_is_svm_capable() {
420 uint_t vm_cr_low = 0, vm_cr_high = 0;
421 addr_t eax = 0, ebx = 0, ecx = 0, edx = 0;
423 v3_cpuid(CPUID_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
425 PrintDebug("CPUID_FEATURE_IDS_ecx=%p\n", (void *)ecx);
427 if ((ecx & CPUID_FEATURE_IDS_ecx_svm_avail) == 0) {
428 PrintDebug("SVM Not Available\n");
431 v3_get_msr(SVM_VM_CR_MSR, &vm_cr_high, &vm_cr_low);
433 PrintDebug("SVM_VM_CR_MSR = 0x%x 0x%x\n", vm_cr_high, vm_cr_low);
435 if ((vm_cr_low & SVM_VM_CR_MSR_svmdis) == 1) {
436 PrintDebug("SVM is available but is disabled.\n");
438 v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
440 PrintDebug("CPUID_FEATURE_IDS_edx=%p\n", (void *)edx);
442 if ((edx & CPUID_SVM_REV_AND_FEATURE_IDS_edx_svml) == 0) {
443 PrintDebug("SVM BIOS Disabled, not unlockable\n");
445 PrintDebug("SVM is locked with a key\n");
450 PrintDebug("SVM is available and enabled.\n");
452 v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
453 PrintDebug("CPUID_FEATURE_IDS_eax=%p\n", (void *)eax);
454 PrintDebug("CPUID_FEATURE_IDS_ebx=%p\n", (void *)ebx);
455 PrintDebug("CPUID_FEATURE_IDS_ecx=%p\n", (void *)ecx);
456 PrintDebug("CPUID_FEATURE_IDS_edx=%p\n", (void *)edx);
459 if ((edx & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 0) {
460 PrintDebug("SVM Nested Paging not supported\n");
462 PrintDebug("SVM Nested Paging supported\n");
470 static int has_svm_nested_paging() {
471 addr_t eax = 0, ebx = 0, ecx = 0, edx = 0;
473 v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
475 //PrintDebug("CPUID_FEATURE_IDS_edx=0x%x\n", edx);
477 if ((edx & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 0) {
478 PrintDebug("SVM Nested Paging not supported\n");
481 PrintDebug("SVM Nested Paging supported\n");
488 void v3_init_SVM(struct v3_ctrl_ops * vmm_ops) {
491 extern v3_cpu_arch_t v3_cpu_type;
493 // Enable SVM on the CPU
494 v3_get_msr(EFER_MSR, &(msr.e_reg.high), &(msr.e_reg.low));
495 msr.e_reg.low |= EFER_MSR_svm_enable;
496 v3_set_msr(EFER_MSR, 0, msr.e_reg.low);
498 PrintDebug("SVM Enabled\n");
501 // Setup the host state save area
502 host_state = V3_AllocPages(4);
506 // msr.e_reg.high = 0;
507 //msr.e_reg.low = (uint_t)host_state;
508 msr.r_reg = (addr_t)host_state;
510 PrintDebug("Host State being saved at %p\n", (void *)(addr_t)host_state);
511 v3_set_msr(SVM_VM_HSAVE_PA_MSR, msr.e_reg.high, msr.e_reg.low);
513 if (has_svm_nested_paging() == 1) {
514 v3_cpu_type = V3_SVM_REV3_CPU;
516 v3_cpu_type = V3_SVM_CPU;
519 // Setup the SVM specific vmm operations
520 vmm_ops->init_guest = &init_svm_guest;
521 vmm_ops->start_guest = &start_svm_guest;
522 vmm_ops->has_nested_paging = &has_svm_nested_paging;
578 /*static void Init_VMCB(vmcb_t * vmcb, struct guest_info vm_info) {
579 vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
580 vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb);
584 guest_state->rsp = vm_info.vm_regs.rsp;
585 guest_state->rip = vm_info.rip;
588 //ctrl_area->instrs.instrs.CR0 = 1;
589 ctrl_area->cr_reads.cr0 = 1;
590 ctrl_area->cr_writes.cr0 = 1;
592 guest_state->efer |= EFER_MSR_svm_enable;
593 guest_state->rflags = 0x00000002; // The reserved bit is always 1
594 ctrl_area->svm_instrs.VMRUN = 1;
595 // guest_state->cr0 = 0x00000001; // PE
596 ctrl_area->guest_ASID = 1;
599 ctrl_area->exceptions.de = 1;
600 ctrl_area->exceptions.df = 1;
601 ctrl_area->exceptions.pf = 1;
602 ctrl_area->exceptions.ts = 1;
603 ctrl_area->exceptions.ss = 1;
604 ctrl_area->exceptions.ac = 1;
605 ctrl_area->exceptions.mc = 1;
606 ctrl_area->exceptions.gp = 1;
607 ctrl_area->exceptions.ud = 1;
608 ctrl_area->exceptions.np = 1;
609 ctrl_area->exceptions.of = 1;
610 ctrl_area->exceptions.nmi = 1;
612 guest_state->cs.selector = 0x0000;
613 guest_state->cs.limit=~0u;
614 guest_state->cs.base = guest_state->cs.selector<<4;
615 guest_state->cs.attrib.raw = 0xf3;
618 struct vmcb_selector *segregs [] = {&(guest_state->ss), &(guest_state->ds), &(guest_state->es), &(guest_state->fs), &(guest_state->gs), NULL};
619 for ( i = 0; segregs[i] != NULL; i++) {
620 struct vmcb_selector * seg = segregs[i];
622 seg->selector = 0x0000;
623 seg->base = seg->selector << 4;
624 seg->attrib.raw = 0xf3;
628 if (vm_info.io_map.num_ports > 0) {
629 struct vmm_io_hook * iter;
630 addr_t io_port_bitmap;
632 io_port_bitmap = (addr_t)V3_AllocPages(3);
633 memset((uchar_t*)io_port_bitmap, 0, PAGE_SIZE * 3);
635 ctrl_area->IOPM_BASE_PA = io_port_bitmap;
637 //PrintDebug("Setting up IO Map at 0x%x\n", io_port_bitmap);
639 FOREACH_IO_HOOK(vm_info.io_map, iter) {
640 ushort_t port = iter->port;
641 uchar_t * bitmap = (uchar_t *)io_port_bitmap;
643 bitmap += (port / 8);
644 PrintDebug("Setting Bit in block %x\n", bitmap);
645 *bitmap |= 1 << (port % 8);
649 //PrintDebugMemDump((uchar_t*)io_port_bitmap, PAGE_SIZE *2);
651 ctrl_area->instrs.IOIO_PROT = 1;
654 ctrl_area->instrs.INTR = 1;
658 if (vm_info.page_mode == SHADOW_PAGING) {
659 PrintDebug("Creating initial shadow page table\n");
660 vm_info.shdw_pg_state.shadow_cr3 |= ((addr_t)create_passthrough_pts_32(&vm_info) & ~0xfff);
661 PrintDebug("Created\n");
663 guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3;
665 ctrl_area->cr_reads.cr3 = 1;
666 ctrl_area->cr_writes.cr3 = 1;
669 ctrl_area->instrs.INVLPG = 1;
670 ctrl_area->instrs.INVLPGA = 1;
672 guest_state->g_pat = 0x7040600070406ULL;
674 guest_state->cr0 |= 0x80000000;
675 } else if (vm_info.page_mode == NESTED_PAGING) {
676 // Flush the TLB on entries/exits
677 //ctrl_area->TLB_CONTROL = 1;
679 // Enable Nested Paging
680 //ctrl_area->NP_ENABLE = 1;
682 //PrintDebug("NP_Enable at 0x%x\n", &(ctrl_area->NP_ENABLE));
684 // Set the Nested Page Table pointer
685 // ctrl_area->N_CR3 = ((addr_t)vm_info.page_tables);
686 // ctrl_area->N_CR3 = (addr_t)(vm_info.page_tables);
688 // ctrl_area->N_CR3 = Get_CR3();
689 // guest_state->cr3 |= (Get_CR3() & 0xfffff000);
691 // guest_state->g_pat = 0x7040600070406ULL;
706 void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) {
707 vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
708 vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb);
712 guest_state->rsp = vm_info.vm_regs.rsp;
713 guest_state->rip = vm_info.rip;
716 /* I pretty much just gutted this from TVMM */
717 /* Note: That means its probably wrong */
719 // set the segment registers to mirror ours
720 guest_state->cs.selector = 1<<3;
721 guest_state->cs.attrib.fields.type = 0xa; // Code segment+read
722 guest_state->cs.attrib.fields.S = 1;
723 guest_state->cs.attrib.fields.P = 1;
724 guest_state->cs.attrib.fields.db = 1;
725 guest_state->cs.attrib.fields.G = 1;
726 guest_state->cs.limit = 0xfffff;
727 guest_state->cs.base = 0;
729 struct vmcb_selector *segregs [] = {&(guest_state->ss), &(guest_state->ds), &(guest_state->es), &(guest_state->fs), &(guest_state->gs), NULL};
730 for ( i = 0; segregs[i] != NULL; i++) {
731 struct vmcb_selector * seg = segregs[i];
733 seg->selector = 2<<3;
734 seg->attrib.fields.type = 0x2; // Data Segment+read/write
735 seg->attrib.fields.S = 1;
736 seg->attrib.fields.P = 1;
737 seg->attrib.fields.db = 1;
738 seg->attrib.fields.G = 1;
739 seg->limit = 0xfffff;
745 /* JRL THIS HAS TO GO */
747 // guest_state->tr.selector = GetTR_Selector();
748 guest_state->tr.attrib.fields.type = 0x9;
749 guest_state->tr.attrib.fields.P = 1;
750 // guest_state->tr.limit = GetTR_Limit();
751 //guest_state->tr.base = GetTR_Base();// - 0x2000;
759 guest_state->efer |= EFER_MSR_svm_enable;
760 guest_state->rflags = 0x00000002; // The reserved bit is always 1
761 ctrl_area->svm_instrs.VMRUN = 1;
762 guest_state->cr0 = 0x00000001; // PE
763 ctrl_area->guest_ASID = 1;
766 // guest_state->cpl = 0;
772 ctrl_area->cr_writes.cr4 = 1;
774 ctrl_area->exceptions.de = 1;
775 ctrl_area->exceptions.df = 1;
776 ctrl_area->exceptions.pf = 1;
777 ctrl_area->exceptions.ts = 1;
778 ctrl_area->exceptions.ss = 1;
779 ctrl_area->exceptions.ac = 1;
780 ctrl_area->exceptions.mc = 1;
781 ctrl_area->exceptions.gp = 1;
782 ctrl_area->exceptions.ud = 1;
783 ctrl_area->exceptions.np = 1;
784 ctrl_area->exceptions.of = 1;
785 ctrl_area->exceptions.nmi = 1;
789 ctrl_area->instrs.IOIO_PROT = 1;
790 ctrl_area->IOPM_BASE_PA = (uint_t)V3_AllocPages(3);
794 tmp_reg.r_reg = ctrl_area->IOPM_BASE_PA;
795 memset((void*)(tmp_reg.e_reg.low), 0xffffffff, PAGE_SIZE * 2);
798 ctrl_area->instrs.INTR = 1;
805 memset(gdt_buf, 0, 6);
806 memset(idt_buf, 0, 6);
809 uint_t gdt_base, idt_base;
810 ushort_t gdt_limit, idt_limit;
813 gdt_base = *(ulong_t*)((uchar_t*)gdt_buf + 2) & 0xffffffff;
814 gdt_limit = *(ushort_t*)(gdt_buf) & 0xffff;
815 PrintDebug("GDT: base: %x, limit: %x\n", gdt_base, gdt_limit);
818 idt_base = *(ulong_t*)(idt_buf + 2) & 0xffffffff;
819 idt_limit = *(ushort_t*)(idt_buf) & 0xffff;
820 PrintDebug("IDT: base: %x, limit: %x\n",idt_base, idt_limit);
823 // gdt_base -= 0x2000;
824 //idt_base -= 0x2000;
826 guest_state->gdtr.base = gdt_base;
827 guest_state->gdtr.limit = gdt_limit;
828 guest_state->idtr.base = idt_base;
829 guest_state->idtr.limit = idt_limit;
835 // also determine if CPU supports nested paging
837 if (vm_info.page_tables) {
839 // Flush the TLB on entries/exits
840 ctrl_area->TLB_CONTROL = 1;
842 // Enable Nested Paging
843 ctrl_area->NP_ENABLE = 1;
845 PrintDebug("NP_Enable at 0x%x\n", &(ctrl_area->NP_ENABLE));
847 // Set the Nested Page Table pointer
848 ctrl_area->N_CR3 |= ((addr_t)vm_info.page_tables & 0xfffff000);
851 // ctrl_area->N_CR3 = Get_CR3();
852 // guest_state->cr3 |= (Get_CR3() & 0xfffff000);
854 guest_state->g_pat = 0x7040600070406ULL;
856 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));
857 PrintDebug("Set Guest CR3: lo: 0x%x hi: 0x%x\n", (uint_t)*(&(guest_state->cr3)), (uint_t)*((unsigned char *)&(guest_state->cr3) + 4));
859 // guest_state->cr0 |= 0x80000000;