X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fsvm.c;h=1d8d23bec07a5056be72ecd056ce7d950f0ae473;hb=8a6d2dbc1b6d593cab383bb04f3fe778949376b2;hp=954b904f85d1dbda56c0bc5a179f5d6a2ac0087a;hpb=1cf6b8a334fd683681665c177d33ad6c452ad366;p=palacios.git diff --git a/palacios/src/palacios/svm.c b/palacios/src/palacios/svm.c index 954b904..1d8d23b 100644 --- a/palacios/src/palacios/svm.c +++ b/palacios/src/palacios/svm.c @@ -9,10 +9,7 @@ #include #include - -/* TEMPORARY BECAUSE SVM IS WEIRD */ -//#include -/* ** */ +#include extern struct vmm_os_hooks * os_hooks; @@ -22,85 +19,211 @@ extern uint_t cpuid_edx(uint_t op); 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(); @@ -114,7 +237,7 @@ int init_svm_guest(struct guest_info *info) { 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; @@ -133,23 +256,67 @@ int init_svm_guest(struct guest_info *info) { // 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; + + + EnableInts(); + CLGI(); + + PrintDebug("SVM Entry to rip=%x...\n", info->rip); - 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); + 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)); - PrintDebug("SVM Returned\n"); + 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; } } @@ -158,174 +325,243 @@ int start_svm_guest(struct guest_info *info) { -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.crs.cr0 = 1; - ctrl_area->cr_writes.crs.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.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.ex_names.de = 1; - ctrl_area->exceptions.ex_names.df = 1; - ctrl_area->exceptions.ex_names.pf = 1; - ctrl_area->exceptions.ex_names.ts = 1; - ctrl_area->exceptions.ex_names.ss = 1; - ctrl_area->exceptions.ex_names.ac = 1; - ctrl_area->exceptions.ex_names.mc = 1; - ctrl_area->exceptions.ex_names.gp = 1; - ctrl_area->exceptions.ex_names.ud = 1; - ctrl_area->exceptions.ex_names.np = 1; - ctrl_area->exceptions.ex_names.of = 1; - ctrl_area->exceptions.ex_names.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.instrs.IOIO_PROT = 1; - } - ctrl_area->instrs.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.crs.cr3 = 1; - ctrl_area->cr_writes.crs.cr3 = 1; - ctrl_area->instrs.instrs.INVLPG = 1; - ctrl_area->instrs.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.crs.cr0 = 1; - ctrl_area->cr_writes.crs.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.instrs.VMRUN = 1; + ctrl_area->svm_instrs.VMRUN = 1; // guest_state->cr0 = 0x00000001; // PE ctrl_area->guest_ASID = 1; - ctrl_area->exceptions.ex_names.de = 1; - ctrl_area->exceptions.ex_names.df = 1; - ctrl_area->exceptions.ex_names.pf = 1; - ctrl_area->exceptions.ex_names.ts = 1; - ctrl_area->exceptions.ex_names.ss = 1; - ctrl_area->exceptions.ex_names.ac = 1; - ctrl_area->exceptions.ex_names.mc = 1; - ctrl_area->exceptions.ex_names.gp = 1; - ctrl_area->exceptions.ex_names.ud = 1; - ctrl_area->exceptions.ex_names.np = 1; - ctrl_area->exceptions.ex_names.of = 1; - ctrl_area->exceptions.ex_names.nmi = 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; - guest_state->cs.selector = 0xf000; + 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; @@ -364,28 +600,26 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) { //PrintDebugMemDump((uchar_t*)io_port_bitmap, PAGE_SIZE *2); - ctrl_area->instrs.instrs.IOIO_PROT = 1; + ctrl_area->instrs.IOIO_PROT = 1; } - ctrl_area->instrs.instrs.INTR = 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.crs.cr3 = 1; - ctrl_area->cr_writes.crs.cr3 = 1; + ctrl_area->cr_reads.cr3 = 1; + ctrl_area->cr_writes.cr3 = 1; - ctrl_area->instrs.instrs.INVLPG = 1; - ctrl_area->instrs.instrs.INVLPGA = 1; + ctrl_area->instrs.INVLPG = 1; + ctrl_area->instrs.INVLPGA = 1; guest_state->g_pat = 0x7040600070406ULL; @@ -412,8 +646,15 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) { } +*/ + + + + + +#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); @@ -469,7 +710,7 @@ void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) { 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->svm_instrs.VMRUN = 1; guest_state->cr0 = 0x00000001; // PE ctrl_area->guest_ASID = 1; @@ -480,24 +721,24 @@ void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) { // Setup exits - ctrl_area->cr_writes.crs.cr4 = 1; + ctrl_area->cr_writes.cr4 = 1; - ctrl_area->exceptions.ex_names.de = 1; - ctrl_area->exceptions.ex_names.df = 1; - ctrl_area->exceptions.ex_names.pf = 1; - ctrl_area->exceptions.ex_names.ts = 1; - ctrl_area->exceptions.ex_names.ss = 1; - ctrl_area->exceptions.ex_names.ac = 1; - ctrl_area->exceptions.ex_names.mc = 1; - ctrl_area->exceptions.ex_names.gp = 1; - ctrl_area->exceptions.ex_names.ud = 1; - ctrl_area->exceptions.ex_names.np = 1; - ctrl_area->exceptions.ex_names.of = 1; - ctrl_area->exceptions.ex_names.nmi = 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; - ctrl_area->instrs.instrs.IOIO_PROT = 1; + ctrl_area->instrs.IOIO_PROT = 1; ctrl_area->IOPM_BASE_PA = (uint_t)os_hooks->allocate_pages(3); { @@ -506,7 +747,7 @@ void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) { memset((void*)(tmp_reg.e_reg.low), 0xffffffff, PAGE_SIZE * 2); } - ctrl_area->instrs.instrs.INTR = 1; + ctrl_area->instrs.INTR = 1; { @@ -577,160 +818,6 @@ void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) { +#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.ex_names.de = 1; - ctrl_area->exceptions.ex_names.df = 1; - ctrl_area->exceptions.ex_names.pf = 1; - ctrl_area->exceptions.ex_names.ts = 1; - ctrl_area->exceptions.ex_names.ss = 1; - ctrl_area->exceptions.ex_names.ac = 1; - ctrl_area->exceptions.ex_names.mc = 1; - ctrl_area->exceptions.ex_names.gp = 1; - ctrl_area->exceptions.ex_names.ud = 1; - ctrl_area->exceptions.ex_names.np = 1; - ctrl_area->exceptions.ex_names.of = 1; - ctrl_area->exceptions.ex_names.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; - } - -} -*/