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".
23 #include <palacios/vm_guest.h>
24 #include <palacios/vmm_ctrl_regs.h>
25 #include <palacios/vmm.h>
26 #include <palacios/vmm_decoder.h>
27 #include <palacios/vmcb.h>
28 #include <palacios/vm_guest_mem.h>
29 #include <palacios/vmm_lowlevel.h>
30 #include <palacios/vmm_sprintf.h>
31 #include <palacios/vmm_xed.h>
32 #include <palacios/vmm_direct_paging.h>
33 #include <palacios/vmm_barrier.h>
34 #include <palacios/vmm_debug.h>
37 v3_cpu_mode_t v3_get_vm_cpu_mode(struct guest_info * info) {
39 struct efer_64 * efer;
40 struct cr4_32 * cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4);
41 struct v3_segment * cs = &(info->segments.cs);
44 if (info->shdw_pg_mode == SHADOW_PAGING) {
45 cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
46 efer = (struct efer_64 *)&(info->shdw_pg_state.guest_efer);
47 } else if (info->shdw_pg_mode == NESTED_PAGING) {
48 cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
49 efer = (struct efer_64 *)&(info->ctrl_regs.efer);
51 PrintError("Invalid Paging Mode...\n");
58 } else if ((cr4->pae == 0) && (efer->lme == 0)) {
60 } else if (efer->lme == 0) {
62 } else if ((efer->lme == 1) && (cs->long_mode == 1)) {
65 // What about LONG_16_COMPAT???
66 return LONG_32_COMPAT;
70 // Get address width in bytes
71 uint_t v3_get_addr_width(struct guest_info * info) {
73 struct cr4_32 * cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4);
74 struct efer_64 * efer;
75 struct v3_segment * cs = &(info->segments.cs);
78 if (info->shdw_pg_mode == SHADOW_PAGING) {
79 cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
80 efer = (struct efer_64 *)&(info->shdw_pg_state.guest_efer);
81 } else if (info->shdw_pg_mode == NESTED_PAGING) {
82 cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
83 efer = (struct efer_64 *)&(info->ctrl_regs.efer);
85 PrintError("Invalid Paging Mode...\n");
92 } else if ((cr4->pae == 0) && (efer->lme == 0)) {
94 } else if (efer->lme == 0) {
96 } else if ((efer->lme == 1) && (cs->long_mode == 1)) {
99 // What about LONG_16_COMPAT???
105 static const uchar_t REAL_STR[] = "Real";
106 static const uchar_t PROTECTED_STR[] = "Protected";
107 static const uchar_t PROTECTED_PAE_STR[] = "Protected+PAE";
108 static const uchar_t LONG_STR[] = "Long";
109 static const uchar_t LONG_32_COMPAT_STR[] = "32bit Compat";
110 static const uchar_t LONG_16_COMPAT_STR[] = "16bit Compat";
112 const uchar_t * v3_cpu_mode_to_str(v3_cpu_mode_t mode) {
117 return PROTECTED_STR;
119 return PROTECTED_PAE_STR;
123 return LONG_32_COMPAT_STR;
125 return LONG_16_COMPAT_STR;
131 v3_mem_mode_t v3_get_vm_mem_mode(struct guest_info * info) {
134 if (info->shdw_pg_mode == SHADOW_PAGING) {
135 cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
136 } else if (info->shdw_pg_mode == NESTED_PAGING) {
137 cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
139 PrintError("Invalid Paging Mode...\n");
151 static const uchar_t PHYS_MEM_STR[] = "Physical Memory";
152 static const uchar_t VIRT_MEM_STR[] = "Virtual Memory";
154 const uchar_t * v3_mem_mode_to_str(v3_mem_mode_t mode) {
171 #include <palacios/vmcs.h>
172 #include <palacios/vmcb.h>
173 static int info_hcall(struct guest_info * core, uint_t hcall_id, void * priv_data) {
174 extern v3_cpu_arch_t v3_mach_type;
177 V3_Print("************** Guest State ************\n");
178 v3_print_guest_state(core);
182 if ((v3_mach_type == V3_SVM_CPU) || (v3_mach_type == V3_SVM_REV3_CPU)) {
184 PrintDebugVMCB((vmcb_t *)(core->vmm_data));
188 if ((v3_mach_type == V3_VMX_CPU) || (v3_mach_type == V3_VMX_EPT_CPU) || (v3_mach_type == V3_VMX_EPT_UG_CPU)) {
194 PrintError("Invalid CPU Type 0x%x\n", v3_mach_type);
204 #include <palacios/svm.h>
205 #include <palacios/svm_io.h>
206 #include <palacios/svm_msr.h>
210 #include <palacios/vmx.h>
211 #include <palacios/vmx_io.h>
212 #include <palacios/vmx_msr.h>
216 int v3_init_vm(struct v3_vm_info * vm) {
217 extern v3_cpu_arch_t v3_mach_type;
221 #ifdef V3_CONFIG_TELEMETRY
222 v3_init_telemetry(vm);
225 v3_init_hypercall_map(vm);
228 v3_init_cpuid_map(vm);
229 v3_init_host_events(vm);
230 v3_init_intr_routers(vm);
231 v3_init_ext_manager(vm);
235 // Initialize the memory map
236 if (v3_init_mem_map(vm) == -1) {
237 PrintError("Could not initialize shadow map\n");
241 v3_init_mem_hooks(vm);
243 if (v3_init_shdw_impl(vm) == -1) {
244 PrintError("VM initialization error in shadow implementaion\n");
251 v3_init_vm_debugging(vm);
254 #ifdef V3_CONFIG_SYMBIOTIC
255 v3_init_symbiotic_vm(vm);
262 switch (v3_mach_type) {
265 case V3_SVM_REV3_CPU:
266 v3_init_svm_io_map(vm);
267 v3_init_svm_msr_map(vm);
273 case V3_VMX_EPT_UG_CPU:
274 v3_init_vmx_io_map(vm);
275 v3_init_vmx_msr_map(vm);
279 PrintError("Invalid CPU Type 0x%x\n", v3_mach_type);
283 v3_register_hypercall(vm, GUEST_INFO_HCALL, info_hcall, NULL);
285 V3_Print("GUEST_INFO_HCALL=%x\n", GUEST_INFO_HCALL);
291 int v3_free_vm_internal(struct v3_vm_info * vm) {
292 extern v3_cpu_arch_t v3_mach_type;
294 v3_remove_hypercall(vm, GUEST_INFO_HCALL);
298 #ifdef V3_CONFIG_SYMBIOTIC
299 v3_deinit_symbiotic_vm(vm);
303 switch (v3_mach_type) {
306 case V3_SVM_REV3_CPU:
307 v3_deinit_svm_io_map(vm);
308 v3_deinit_svm_msr_map(vm);
314 case V3_VMX_EPT_UG_CPU:
315 v3_deinit_vmx_io_map(vm);
316 v3_deinit_vmx_msr_map(vm);
320 PrintError("Invalid CPU Type 0x%x\n", v3_mach_type);
324 v3_deinit_dev_mgr(vm);
326 v3_deinit_time_vm(vm);
328 v3_deinit_mem_hooks(vm);
329 v3_delete_mem_map(vm);
330 v3_deinit_shdw_impl(vm);
332 v3_deinit_intr_routers(vm);
333 v3_deinit_host_events(vm);
335 v3_deinit_barrier(vm);
337 v3_deinit_cpuid_map(vm);
338 v3_deinit_msr_map(vm);
339 v3_deinit_io_map(vm);
340 v3_deinit_hypercall_map(vm);
342 #ifdef V3_CONFIG_TELEMETRY
343 v3_deinit_telemetry(vm);
352 int v3_init_core(struct guest_info * core) {
353 extern v3_cpu_arch_t v3_mach_type;
354 struct v3_vm_info * vm = core->vm_info;
359 * Initialize the subsystem data strutures
361 #ifdef V3_CONFIG_TELEMETRY
362 v3_init_core_telemetry(core);
365 if (core->shdw_pg_mode == SHADOW_PAGING) {
366 v3_init_shdw_pg_state(core);
369 v3_init_time_core(core);
370 v3_init_intr_controllers(core);
371 v3_init_exception_state(core);
373 v3_init_decoder(core);
376 #ifdef V3_CONFIG_SYMBIOTIC
377 v3_init_symbiotic_core(core);
383 switch (v3_mach_type) {
386 case V3_SVM_REV3_CPU:
387 if (v3_init_svm_vmcb(core, vm->vm_class) == -1) {
388 PrintError("Error in SVM initialization\n");
396 case V3_VMX_EPT_UG_CPU:
397 if (v3_init_vmx_vmcs(core, vm->vm_class) == -1) {
398 PrintError("Error in VMX initialization\n");
404 PrintError("Invalid CPU Type 0x%x\n", v3_mach_type);
413 int v3_free_core(struct guest_info * core) {
414 extern v3_cpu_arch_t v3_mach_type;
417 #ifdef V3_CONFIG_SYMBIOTIC
418 v3_deinit_symbiotic_core(core);
421 v3_deinit_decoder(core);
423 v3_deinit_intr_controllers(core);
424 v3_deinit_time_core(core);
426 if (core->shdw_pg_mode == SHADOW_PAGING) {
427 v3_deinit_shdw_pg_state(core);
430 v3_free_passthrough_pts(core);
432 #ifdef V3_CONFIG_TELEMETRY
433 v3_deinit_core_telemetry(core);
436 switch (v3_mach_type) {
439 case V3_SVM_REV3_CPU:
440 if (v3_deinit_svm_vmcb(core) == -1) {
441 PrintError("Error in SVM initialization\n");
449 case V3_VMX_EPT_UG_CPU:
450 if (v3_deinit_vmx_vmcs(core) == -1) {
451 PrintError("Error in VMX initialization\n");
457 PrintError("Invalid CPU Type 0x%x\n", v3_mach_type);