#include <palacios/vmm_debug.h>
#include <palacios/vm_guest_mem.h>
+#include <palacios/vmm_decoder.h>
extern struct vmm_os_hooks * os_hooks;
extern void Get_MSR(uint_t MSR, uint_t * high_byte, uint_t * low_byte);
extern void Set_MSR(uint_t MSR, uint_t high_byte, uint_t low_byte);
extern uint_t launch_svm(vmcb_t * vmcb_addr);
-extern void safe_svm_launch(vmcb_t * vmcb_addr, struct guest_gprs * gprs);
+extern void safe_svm_launch(vmcb_t * vmcb_addr, struct v3_gprs * gprs);
+
+extern void STGI();
+extern void CLGI();
extern uint_t Get_CR3();
-extern void GetGDTR(void * gdt);
-extern void GetIDTR(void * idt);
extern void DisableInts();
+extern void EnableInts();
-/* Checks machine SVM capability */
-/* Implemented from: AMD Arch Manual 3, sect 15.4 */
-int is_svm_capable() {
- uint_t ret = cpuid_ecx(CPUID_FEATURE_IDS);
- uint_t vm_cr_low = 0, vm_cr_high = 0;
- if ((ret & CPUID_FEATURE_IDS_ecx_svm_avail) == 0) {
- PrintDebug("SVM Not Available\n");
- return 0;
- }
- Get_MSR(SVM_VM_CR_MSR, &vm_cr_high, &vm_cr_low);
- if ((ret & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 1) {
- PrintDebug("Nested Paging not supported\n");
- }
- if ((vm_cr_low & SVM_VM_CR_MSR_svmdis) == 0) {
- return 1;
- }
- ret = cpuid_edx(CPUID_SVM_REV_AND_FEATURE_IDS);
+static vmcb_t * Allocate_VMCB() {
+ vmcb_t * vmcb_page = (vmcb_t*)os_hooks->allocate_pages(1);
- if ((ret & CPUID_SVM_REV_AND_FEATURE_IDS_edx_svml) == 0) {
- PrintDebug("SVM BIOS Disabled, not unlockable\n");
- } else {
- PrintDebug("SVM is locked with a key\n");
- }
- return 0;
+ memset(vmcb_page, 0, 4096);
+
+ return vmcb_page;
}
-void Init_SVM(struct vmm_ctrl_ops * vmm_ops) {
- reg_ex_t msr;
- void * host_state;
- // Enable SVM on the CPU
- Get_MSR(EFER_MSR, &(msr.e_reg.high), &(msr.e_reg.low));
- msr.e_reg.low |= EFER_MSR_svm_enable;
- Set_MSR(EFER_MSR, 0, msr.e_reg.low);
-
- PrintDebug("SVM Enabled\n");
+static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info *vm_info) {
+ vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
+ vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb);
+ uint_t i;
- // Setup the host state save area
- host_state = os_hooks->allocate_pages(4);
+ guest_state->rsp = vm_info->vm_regs.rsp;
+ // guest_state->rip = vm_info->rip;
+ guest_state->rip = 0xfff0;
+
+ guest_state->cpl = 0;
+
+ //ctrl_area->instrs.instrs.CR0 = 1;
+ ctrl_area->cr_reads.cr0 = 1;
+ ctrl_area->cr_writes.cr0 = 1;
+
+ guest_state->efer |= EFER_MSR_svm_enable;
+ guest_state->rflags = 0x00000002; // The reserved bit is always 1
+ ctrl_area->svm_instrs.VMRUN = 1;
+ ctrl_area->instrs.HLT = 1;
+ // guest_state->cr0 = 0x00000001; // PE
+ ctrl_area->guest_ASID = 1;
+
+ ctrl_area->exceptions.de = 1;
+ ctrl_area->exceptions.df = 1;
+ ctrl_area->exceptions.pf = 1;
+ ctrl_area->exceptions.ts = 1;
+ ctrl_area->exceptions.ss = 1;
+ ctrl_area->exceptions.ac = 1;
+ ctrl_area->exceptions.mc = 1;
+ ctrl_area->exceptions.gp = 1;
+ ctrl_area->exceptions.ud = 1;
+ ctrl_area->exceptions.np = 1;
+ ctrl_area->exceptions.of = 1;
+ ctrl_area->exceptions.nmi = 1;
+
+ // Debug of boot on physical machines - 7/14/08
+ ctrl_area->instrs.NMI=1;
+ ctrl_area->instrs.SMI=1;
+ ctrl_area->instrs.INIT=1;
+ ctrl_area->instrs.PAUSE=1;
+ ctrl_area->instrs.shutdown_evts=1;
+
+
+
+ vm_info->vm_regs.rdx = 0x00000f00;
+
+ guest_state->cr0 = 0x60000010;
+
+ guest_state->cs.selector = 0xf000;
+ guest_state->cs.limit=0xffff;
+ guest_state->cs.base = 0x0000000f0000LL;
+ guest_state->cs.attrib.raw = 0xf3;
+
- msr.e_reg.high = 0;
- msr.e_reg.low = (uint_t)host_state;
+ struct vmcb_selector *segregs [] = {&(guest_state->ss), &(guest_state->ds), &(guest_state->es), &(guest_state->fs), &(guest_state->gs), NULL};
+ for ( i = 0; segregs[i] != NULL; i++) {
+ struct vmcb_selector * seg = segregs[i];
+
+ seg->selector = 0x0000;
+ // seg->base = seg->selector << 4;
+ seg->base = 0x00000000;
+ seg->attrib.raw = 0xf3;
+ seg->limit = ~0u;
+ }
+
+ guest_state->gdtr.limit = 0x0000ffff;
+ guest_state->gdtr.base = 0x0000000000000000LL;
+ guest_state->idtr.limit = 0x0000ffff;
+ guest_state->idtr.base = 0x0000000000000000LL;
+ guest_state->ldtr.selector = 0x0000;
+ guest_state->ldtr.limit = 0x0000ffff;
+ guest_state->ldtr.base = 0x0000000000000000LL;
+ guest_state->tr.selector = 0x0000;
+ guest_state->tr.limit = 0x0000ffff;
+ guest_state->tr.base = 0x0000000000000000LL;
- PrintDebug("Host State being saved at %x\n", (uint_t)host_state);
- Set_MSR(SVM_VM_HSAVE_PA_MSR, msr.e_reg.high, msr.e_reg.low);
+ guest_state->dr6 = 0x00000000ffff0ff0LL;
+ guest_state->dr7 = 0x0000000000000400LL;
+ if (vm_info->io_map.num_ports > 0) {
+ vmm_io_hook_t * iter;
+ addr_t io_port_bitmap;
+
+ io_port_bitmap = (addr_t)os_hooks->allocate_pages(3);
+ memset((uchar_t*)io_port_bitmap, 0, PAGE_SIZE * 3);
+
+ ctrl_area->IOPM_BASE_PA = io_port_bitmap;
+
+ //PrintDebug("Setting up IO Map at 0x%x\n", io_port_bitmap);
+
+ FOREACH_IO_HOOK(vm_info->io_map, iter) {
+ ushort_t port = iter->port;
+ uchar_t * bitmap = (uchar_t *)io_port_bitmap;
+
+ bitmap += (port / 8);
+ PrintDebug("Setting Bit for port 0x%x\n", port);
+ *bitmap |= 1 << (port % 8);
+ }
+
+
+ //PrintDebugMemDump((uchar_t*)io_port_bitmap, PAGE_SIZE *2);
+
+ ctrl_area->instrs.IOIO_PROT = 1;
+ }
+
+
+
+ PrintDebug("Exiting on interrupts\n");
+ ctrl_area->guest_ctrl.V_INTR_MASKING = 1;
+ ctrl_area->instrs.INTR = 1;
+
+
+ if (vm_info->shdw_pg_mode == SHADOW_PAGING) {
+ PrintDebug("Creating initial shadow page table\n");
+ vm_info->direct_map_pt = (addr_t)create_passthrough_pde32_pts(vm_info);
+ vm_info->shdw_pg_state.shadow_cr3 |= (vm_info->direct_map_pt & ~0xfff);
+ vm_info->shdw_pg_state.guest_cr0 = 0x0000000000000010LL;
+ PrintDebug("Created\n");
+
+ guest_state->cr3 = vm_info->shdw_pg_state.shadow_cr3;
+
+ //PrintDebugPageTables((pde32_t*)(vm_info->shdw_pg_state.shadow_cr3.e_reg.low));
+
+ ctrl_area->cr_reads.cr3 = 1;
+ ctrl_area->cr_writes.cr3 = 1;
+
+
+ ctrl_area->instrs.INVLPG = 1;
+ ctrl_area->instrs.INVLPGA = 1;
+
+ /* JRL: This is a performance killer, and a simplistic solution */
+ /* We need to fix this */
+ ctrl_area->TLB_CONTROL = 1;
+
+
+
+ guest_state->g_pat = 0x7040600070406ULL;
+
+ guest_state->cr0 |= 0x80000000;
+
+ } else if (vm_info->shdw_pg_mode == NESTED_PAGING) {
+ // Flush the TLB on entries/exits
+ ctrl_area->TLB_CONTROL = 1;
+
+ // Enable Nested Paging
+ ctrl_area->NP_ENABLE = 1;
+
+ PrintDebug("NP_Enable at 0x%x\n", &(ctrl_area->NP_ENABLE));
+
+ // Set the Nested Page Table pointer
+ vm_info->direct_map_pt = ((addr_t)create_passthrough_pde32_pts(vm_info) & ~0xfff);
+ ctrl_area->N_CR3 = vm_info->direct_map_pt;
+
+ // ctrl_area->N_CR3 = Get_CR3();
+ // guest_state->cr3 |= (Get_CR3() & 0xfffff000);
+
+ guest_state->g_pat = 0x7040600070406ULL;
+ }
- // Setup the SVM specific vmm operations
- vmm_ops->init_guest = &init_svm_guest;
- vmm_ops->start_guest = &start_svm_guest;
- return;
}
-int init_svm_guest(struct guest_info *info) {
+
+
+
+
+
+
+
+static int init_svm_guest(struct guest_info *info) {
PrintDebug("Allocating VMCB\n");
info->vmm_data = (void*)Allocate_VMCB();
PrintDebug("Initializing VMCB (addr=%x)\n", info->vmm_data);
- Init_VMCB_BIOS((vmcb_t*)(info->vmm_data), *info);
+ Init_VMCB_BIOS((vmcb_t*)(info->vmm_data), info);
// info->rip = 0;
// can we start a kernel thread here...
-int start_svm_guest(struct guest_info *info) {
-
-
+static int start_svm_guest(struct guest_info *info) {
+ vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data));
+ vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
PrintDebug("Launching SVM VM (vmcb=%x)\n", info->vmm_data);
//PrintDebugVMCB((vmcb_t*)(info->vmm_data));
while (1) {
+ ullong_t tmp_tsc;
- //PrintDebug("SVM Launch Args (vmcb=%x), (info=%x), (vm_regs=%x)\n", info->vmm_data, &(info->vm_regs));
- //PrintDebug("Launching to RIP: %x\n", info->rip);
+
+ EnableInts();
+ CLGI();
+
+ PrintDebug("SVM Entry to rip=%x...\n", info->rip);
+
+ rdtscll(info->time_state.cached_host_tsc);
+ guest_ctrl->TSC_OFFSET = info->time_state.guest_tsc - info->time_state.cached_host_tsc;
+
+ PrintDebug("Launching\n");
safe_svm_launch((vmcb_t*)(info->vmm_data), &(info->vm_regs));
- //launch_svm((vmcb_t*)(info->vmm_data));
+
+ rdtscll(tmp_tsc);
//PrintDebug("SVM Returned\n");
+
+ v3_update_time(info, tmp_tsc - info->time_state.cached_host_tsc);
+
+ STGI();
+
+
if (handle_svm_exit(info) != 0) {
- // handle exit code....
+
+ addr_t host_addr;
+ addr_t linear_addr = 0;
+
+ PrintDebug("SVM ERROR!!\n");
+
+ PrintDebug("RIP: %x\n", guest_state->rip);
+
+
+ linear_addr = get_addr_linear(info, guest_state->rip, &(info->segments.cs));
+
+
+ PrintDebug("RIP Linear: %x\n", linear_addr);
+ PrintV3Segments(&(info->segments));
+ PrintV3CtrlRegs(&(info->ctrl_regs));
+
+
+ if (info->mem_mode == PHYSICAL_MEM) {
+ guest_pa_to_host_pa(info, linear_addr, &host_addr);
+ } else if (info->mem_mode == VIRTUAL_MEM) {
+ guest_va_to_host_pa(info, linear_addr, &host_addr);
+ }
+
+
+ PrintDebug("Host Address of rip = 0x%x\n", host_addr);
+
+ PrintDebug("Instr (15 bytes) at %x:\n", host_addr);
+ PrintTraceMemDump((char*)host_addr, 15);
+
break;
}
}
-vmcb_t * Allocate_VMCB() {
- vmcb_t * vmcb_page = (vmcb_t*)os_hooks->allocate_pages(1);
+/* Checks machine SVM capability */
+/* Implemented from: AMD Arch Manual 3, sect 15.4 */
+int is_svm_capable() {
- memset(vmcb_page, 0, 4096);
+#if 1
+ // Dinda
- return vmcb_page;
-}
+ uint_t ret;
+ uint_t vm_cr_low = 0, vm_cr_high = 0;
+ ret = cpuid_ecx(CPUID_FEATURE_IDS);
+
+ PrintDebug("CPUID_FEATURE_IDS_ecx=0x%x\n",ret);
-void Init_VMCB(vmcb_t * vmcb, struct guest_info vm_info) {
- vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
- vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb);
- uint_t i;
+ if ((ret & CPUID_FEATURE_IDS_ecx_svm_avail) == 0) {
+ PrintDebug("SVM Not Available\n");
+ return 0;
+ } else {
+ Get_MSR(SVM_VM_CR_MSR, &vm_cr_high, &vm_cr_low);
+
+ PrintDebug("SVM_VM_CR_MSR = 0x%x 0x%x\n",vm_cr_high,vm_cr_low);
+
+ if ((vm_cr_low & SVM_VM_CR_MSR_svmdis) == 1) {
+ PrintDebug("SVM is available but is disabled.\n");
+
+ ret = cpuid_edx(CPUID_SVM_REV_AND_FEATURE_IDS);
+
+ PrintDebug("CPUID_FEATURE_IDS_edx=0x%x\n",ret);
+
+ if ((ret & CPUID_SVM_REV_AND_FEATURE_IDS_edx_svml) == 0) {
+ PrintDebug("SVM BIOS Disabled, not unlockable\n");
+ } else {
+ PrintDebug("SVM is locked with a key\n");
+ }
+ return 0;
+
+ } else {
+ PrintDebug("SVM is available and enabled.\n");
+
+ ret = cpuid_edx(CPUID_SVM_REV_AND_FEATURE_IDS);
+
+ PrintDebug("CPUID_FEATURE_IDS_edx=0x%x\n",ret);
+
+ if ((ret & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 0) {
+ PrintDebug("SVM Nested Paging not supported\n");
+ } else {
+ PrintDebug("SVM Nested Paging supported\n");
+ }
+
+ return 1;
+
+ }
+ }
+#else
- guest_state->rsp = vm_info.vm_regs.rsp;
- guest_state->rip = vm_info.rip;
+ uint_t ret = cpuid_ecx(CPUID_FEATURE_IDS);
+ uint_t vm_cr_low = 0, vm_cr_high = 0;
- //ctrl_area->instrs.instrs.CR0 = 1;
- ctrl_area->cr_reads.cr0 = 1;
- ctrl_area->cr_writes.cr0 = 1;
+ if ((ret & CPUID_FEATURE_IDS_ecx_svm_avail) == 0) {
+ PrintDebug("SVM Not Available\n");
+ return 0;
+ }
- guest_state->efer |= EFER_MSR_svm_enable;
- guest_state->rflags = 0x00000002; // The reserved bit is always 1
- ctrl_area->svm_instrs.VMRUN = 1;
- // guest_state->cr0 = 0x00000001; // PE
- ctrl_area->guest_ASID = 1;
+ Get_MSR(SVM_VM_CR_MSR, &vm_cr_high, &vm_cr_low);
+ PrintDebug("SVM_VM_CR_MSR = 0x%x 0x%x\n",vm_cr_high,vm_cr_low);
- ctrl_area->exceptions.de = 1;
- ctrl_area->exceptions.df = 1;
- ctrl_area->exceptions.pf = 1;
- ctrl_area->exceptions.ts = 1;
- ctrl_area->exceptions.ss = 1;
- ctrl_area->exceptions.ac = 1;
- ctrl_area->exceptions.mc = 1;
- ctrl_area->exceptions.gp = 1;
- ctrl_area->exceptions.ud = 1;
- ctrl_area->exceptions.np = 1;
- ctrl_area->exceptions.of = 1;
- ctrl_area->exceptions.nmi = 1;
- guest_state->cs.selector = 0x0000;
- guest_state->cs.limit=~0u;
- guest_state->cs.base = guest_state->cs.selector<<4;
- guest_state->cs.attrib.raw = 0xf3;
+ // this part is clearly wrong, since the np bit is in
+ // edx, not ecx
+ if ((ret & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 1) {
+ PrintDebug("Nested Paging not supported\n");
+ } else {
+ PrintDebug("Nested Paging supported\n");
+ }
+
+ if ((vm_cr_low & SVM_VM_CR_MSR_svmdis) == 0) {
+ PrintDebug("SVM is disabled.\n");
+ return 1;
+ }
+ ret = cpuid_edx(CPUID_SVM_REV_AND_FEATURE_IDS);
+
+ if ((ret & CPUID_SVM_REV_AND_FEATURE_IDS_edx_svml) == 0) {
+ PrintDebug("SVM BIOS Disabled, not unlockable\n");
+ } else {
+ PrintDebug("SVM is locked with a key\n");
+ }
+
+ return 0;
+
+#endif
+
+}
+
+int has_svm_nested_paging() {
+ uint32_t ret;
+
+ ret = cpuid_edx(CPUID_SVM_REV_AND_FEATURE_IDS);
+
+ //PrintDebug("CPUID_FEATURE_IDS_edx=0x%x\n",ret);
- struct vmcb_selector *segregs [] = {&(guest_state->ss), &(guest_state->ds), &(guest_state->es), &(guest_state->fs), &(guest_state->gs), NULL};
- for ( i = 0; segregs[i] != NULL; i++) {
- struct vmcb_selector * seg = segregs[i];
-
- seg->selector = 0x0000;
- seg->base = seg->selector << 4;
- seg->attrib.raw = 0xf3;
- seg->limit = ~0u;
+ if ((ret & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 0) {
+ PrintDebug("SVM Nested Paging not supported\n");
+ return 0;
+ } else {
+ PrintDebug("SVM Nested Paging supported\n");
+ return 1;
}
+
+}
+
+
+
+void Init_SVM(struct vmm_ctrl_ops * vmm_ops) {
+ reg_ex_t msr;
+ void * host_state;
+
+
+ // Enable SVM on the CPU
+ Get_MSR(EFER_MSR, &(msr.e_reg.high), &(msr.e_reg.low));
+ msr.e_reg.low |= EFER_MSR_svm_enable;
+ Set_MSR(EFER_MSR, 0, msr.e_reg.low);
- if (vm_info.io_map.num_ports > 0) {
- vmm_io_hook_t * iter;
- addr_t io_port_bitmap;
-
- io_port_bitmap = (addr_t)os_hooks->allocate_pages(3);
- memset((uchar_t*)io_port_bitmap, 0, PAGE_SIZE * 3);
-
- ctrl_area->IOPM_BASE_PA = io_port_bitmap;
+ PrintDebug("SVM Enabled\n");
+
+
+ // Setup the host state save area
+ host_state = os_hooks->allocate_pages(4);
+
+ msr.e_reg.high = 0;
+ msr.e_reg.low = (uint_t)host_state;
+
+
+ PrintDebug("Host State being saved at %x\n", (uint_t)host_state);
+ Set_MSR(SVM_VM_HSAVE_PA_MSR, msr.e_reg.high, msr.e_reg.low);
+
+
+
+ // Setup the SVM specific vmm operations
+ vmm_ops->init_guest = &init_svm_guest;
+ vmm_ops->start_guest = &start_svm_guest;
+ vmm_ops->has_nested_paging = &has_svm_nested_paging;
+
+ return;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
- //PrintDebug("Setting up IO Map at 0x%x\n", io_port_bitmap);
- FOREACH_IO_HOOK(vm_info.io_map, iter) {
- ushort_t port = iter->port;
- uchar_t * bitmap = (uchar_t *)io_port_bitmap;
- bitmap += (port / 8);
- PrintDebug("Setting Bit in block %x\n", bitmap);
- *bitmap |= 1 << (port % 8);
- }
- //PrintDebugMemDump((uchar_t*)io_port_bitmap, PAGE_SIZE *2);
- ctrl_area->instrs.IOIO_PROT = 1;
- }
- ctrl_area->instrs.INTR = 1;
- if (vm_info.page_mode == SHADOW_PAGING) {
- PrintDebug("Creating initial shadow page table\n");
- vm_info.shdw_pg_state.shadow_cr3.e_reg.low |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff);
- PrintDebug("Created\n");
- guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3.r_reg;
- ctrl_area->cr_reads.cr3 = 1;
- ctrl_area->cr_writes.cr3 = 1;
- ctrl_area->instrs.INVLPG = 1;
- ctrl_area->instrs.INVLPGA = 1;
- guest_state->g_pat = 0x7040600070406ULL;
- guest_state->cr0 |= 0x80000000;
- } else if (vm_info.page_mode == NESTED_PAGING) {
- // Flush the TLB on entries/exits
- //ctrl_area->TLB_CONTROL = 1;
- // Enable Nested Paging
- //ctrl_area->NP_ENABLE = 1;
- //PrintDebug("NP_Enable at 0x%x\n", &(ctrl_area->NP_ENABLE));
- // Set the Nested Page Table pointer
- // ctrl_area->N_CR3 = ((addr_t)vm_info.page_tables);
- // ctrl_area->N_CR3 = (addr_t)(vm_info.page_tables);
- // ctrl_area->N_CR3 = Get_CR3();
- // guest_state->cr3 |= (Get_CR3() & 0xfffff000);
- // guest_state->g_pat = 0x7040600070406ULL;
- }
-}
-void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) {
+
+
+
+
+
+
+
+
+
+
+/*static void Init_VMCB(vmcb_t * vmcb, struct guest_info vm_info) {
vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb);
uint_t i;
guest_state->rsp = vm_info.vm_regs.rsp;
- // guest_state->rip = vm_info.rip;
- guest_state->rip = 0xfff0;
+ guest_state->rip = vm_info.rip;
+
//ctrl_area->instrs.instrs.CR0 = 1;
ctrl_area->cr_reads.cr0 = 1;
// guest_state->cr0 = 0x00000001; // PE
ctrl_area->guest_ASID = 1;
+
ctrl_area->exceptions.de = 1;
ctrl_area->exceptions.df = 1;
ctrl_area->exceptions.pf = 1;
ctrl_area->exceptions.of = 1;
ctrl_area->exceptions.nmi = 1;
- vm_info.vm_regs.rdx = 0x00000f00;
-
- guest_state->cr0 = 0x60000010;
-
- guest_state->cs.selector = 0xf000;
- guest_state->cs.limit=0xffff;
- guest_state->cs.base = 0x0000000f0000LL;
+ guest_state->cs.selector = 0x0000;
+ guest_state->cs.limit=~0u;
+ guest_state->cs.base = guest_state->cs.selector<<4;
guest_state->cs.attrib.raw = 0xf3;
struct vmcb_selector * seg = segregs[i];
seg->selector = 0x0000;
- // seg->base = seg->selector << 4;
- seg->base = 0x00000000;
+ seg->base = seg->selector << 4;
seg->attrib.raw = 0xf3;
seg->limit = ~0u;
}
- guest_state->gdtr.limit = 0x0000ffff;
- guest_state->gdtr.base = 0x0000000000000000LL;
- guest_state->idtr.limit = 0x0000ffff;
- guest_state->idtr.base = 0x0000000000000000LL;
-
- guest_state->ldtr.selector = 0x0000;
- guest_state->ldtr.limit = 0x0000ffff;
- guest_state->ldtr.base = 0x0000000000000000LL;
- guest_state->tr.selector = 0x0000;
- guest_state->tr.limit = 0x0000ffff;
- guest_state->tr.base = 0x0000000000000000LL;
-
-
- guest_state->dr6 = 0x00000000ffff0ff0LL;
- guest_state->dr7 = 0x0000000000000400LL;
-
if (vm_info.io_map.num_ports > 0) {
vmm_io_hook_t * iter;
addr_t io_port_bitmap;
uchar_t * bitmap = (uchar_t *)io_port_bitmap;
bitmap += (port / 8);
- PrintDebug("Setting Bit for port 0x%x\n", port);
+ PrintDebug("Setting Bit in block %x\n", bitmap);
*bitmap |= 1 << (port % 8);
}
ctrl_area->instrs.IOIO_PROT = 1;
}
+ ctrl_area->instrs.INTR = 1;
- if (vm_info.irq_map.num_hooks > 0) {
- PrintDebug("Exiting on interrupts\n");
- ctrl_area->guest_ctrl.V_INTR_MASKING = 1;
- ctrl_area->instrs.INTR = 1;
- }
if (vm_info.page_mode == SHADOW_PAGING) {
PrintDebug("Creating initial shadow page table\n");
- vm_info.shdw_pg_state.shadow_cr3.e_reg.low |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff);
+ vm_info.shdw_pg_state.shadow_cr3 |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff);
PrintDebug("Created\n");
- guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3.r_reg;
-
- //PrintDebugPageTables((pde32_t*)(vm_info.shdw_pg_state.shadow_cr3.e_reg.low));
+ guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3;
ctrl_area->cr_reads.cr3 = 1;
ctrl_area->cr_writes.cr3 = 1;
}
+*/
+
+
+
+
+
+#if 0
void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) {
vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb);
+#endif
-
-
-
-
-
-
-
-
-
-
-
-
-
-/*
-
-
-void Init_VMCB_Real(vmcb_t * vmcb, struct guest_info vm_info) {
- vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
- vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(vmcb);
- uint_t i;
-
-
- guest_state->rsp = vm_info.vm_regs.rsp;
- guest_state->rip = vm_info.rip;
-
-
- guest_state->efer |= EFER_MSR_svm_enable;
- guest_state->rflags = 0x00000002; // The reserved bit is always 1
- ctrl_area->svm_instrs.instrs.VMRUN = 1;
- ctrl_area->guest_ASID = 1;
- guest_state->cr0 = 0x60000010;
-
-
- ctrl_area->exceptions.de = 1;
- ctrl_area->exceptions.df = 1;
- ctrl_area->exceptions.pf = 1;
- ctrl_area->exceptions.ts = 1;
- ctrl_area->exceptions.ss = 1;
- ctrl_area->exceptions.ac = 1;
- ctrl_area->exceptions.mc = 1;
- ctrl_area->exceptions.gp = 1;
- ctrl_area->exceptions.ud = 1;
- ctrl_area->exceptions.np = 1;
- ctrl_area->exceptions.of = 1;
- ctrl_area->exceptions.nmi = 1;
-
- guest_state->cs.selector = 0xf000;
- guest_state->cs.limit=0xffff;
- guest_state->cs.base = 0xffff0000;
- guest_state->cs.attrib.raw = 0x9a;
-
-
- struct vmcb_selector *segregs [] = {&(guest_state->ss), &(guest_state->ds), &(guest_state->es), &(guest_state->fs), &(guest_state->gs), NULL};
- for ( i = 0; segregs[i] != NULL; i++) {
- struct vmcb_selector * seg = segregs[i];
-
- seg->selector = 0x0000;
- seg->base = 0xffff0000;
- seg->attrib.raw = 0x9b;
- seg->limit = 0xffff;
- }
-
- // Set GPRs
- //
- // EDX == 0xfxx
- // EAX, EBX, ECX, ESI, EDI, EBP, ESP == 0x0
- //
-
- guest_state->gdtr.base = 0;
- guest_state->gdtr.limit = 0xffff;
- guest_state->gdtr.attrib.raw = 0x0;
-
- guest_state->idtr.base = 0;
- guest_state->idtr.limit = 0xffff;
- guest_state->idtr.attrib.raw = 0x0;
-
- guest_state->ldtr.base = 0;
- guest_state->ldtr.limit = 0xffff;
- guest_state->ldtr.attrib.raw = 0x82;
-
- guest_state->tr.base = 0;
- guest_state->tr.limit = 0xffff;
- guest_state->tr.attrib.raw = 0x83;
-
-
-
-
- if (vm_info.io_map.num_ports > 0) {
- vmm_io_hook_t * iter;
- addr_t io_port_bitmap;
-
- io_port_bitmap = (addr_t)os_hooks->allocate_pages(3);
- memset((uchar_t*)io_port_bitmap, 0, PAGE_SIZE * 3);
-
- ctrl_area->IOPM_BASE_PA = io_port_bitmap;
-
- //PrintDebug("Setting up IO Map at 0x%x\n", io_port_bitmap);
-
- FOREACH_IO_HOOK(vm_info.io_map, iter) {
- ushort_t port = iter->port;
- uchar_t * bitmap = (uchar_t *)io_port_bitmap;
-
- bitmap += (port / 8);
- PrintDebug("Setting Bit in block %x\n", bitmap);
- *bitmap |= 1 << (port % 8);
- }
-
- ctrl_area->instrs.instrs.IOIO_PROT = 1;
- }
-
- ctrl_area->instrs.instrs.INTR = 1;
-
- // also determine if CPU supports nested paging
-
- if (vm_info.page_mode == SHADOW_PAGING) {
- PrintDebug("Creating initial shadow page table\n");
- vm_info.shdw_pg_state.shadow_cr3.e_reg.low |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff);
- PrintDebug("Created\n");
-
- guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3.r_reg;
-
- ctrl_area->cr_reads.crs.cr3 = 1;
- ctrl_area->cr_writes.crs.cr3 = 1;
- ctrl_area->cr_reads.crs.cr0 = 1;
- ctrl_area->cr_writes.crs.cr0 = 1;
-
- ctrl_area->instrs.instrs.INVLPG = 1;
- ctrl_area->instrs.instrs.INVLPGA = 1;
-
-
- guest_state->g_pat = 0x7040600070406ULL;
-
- vm_info.shdw_pg_state.guest_cr0.e_reg.low = guest_state->cr0;
- guest_state->cr0 |= 0x80000000;
- } else if (vm_info.page_mode == NESTED_PAGING) {
- // Flush the TLB on entries/exits
- //ctrl_area->TLB_CONTROL = 1;
-
- // Enable Nested Paging
- //ctrl_area->NP_ENABLE = 1;
-
- //PrintDebug("NP_Enable at 0x%x\n", &(ctrl_area->NP_ENABLE));
-
- // Set the Nested Page Table pointer
- // ctrl_area->N_CR3 = ((addr_t)vm_info.page_tables);
- // ctrl_area->N_CR3 = (addr_t)(vm_info.page_tables);
-
- // ctrl_area->N_CR3 = Get_CR3();
- // guest_state->cr3 |= (Get_CR3() & 0xfffff000);
-
- // guest_state->g_pat = 0x7040600070406ULL;
- }
-
-}
-*/
