X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fsvm.c;h=87ecc828fa9b9cd03ace764354c7f18e96cec5a5;hb=496b928649b2a63c3e21e099ce914ec00b3d7227;hp=8f6d1dcb2894fe21369c452a8d07868973a66a28;hpb=4948dac4512d3087f05daeced0f60bafbcb8fd8f;p=palacios.git diff --git a/palacios/src/palacios/svm.c b/palacios/src/palacios/svm.c index 8f6d1dc..87ecc82 100644 --- a/palacios/src/palacios/svm.c +++ b/palacios/src/palacios/svm.c @@ -1,3 +1,26 @@ +/* + * This file is part of the Palacios Virtual Machine Monitor developed + * by the V3VEE Project with funding from the United States National + * Science Foundation and the Department of Energy. + * + * The V3VEE Project is a joint project between Northwestern University + * and the University of New Mexico. You can find out more at + * http://www.v3vee.org + * + * Copyright (c) 2008, Jack Lange + * Copyright (c) 2008, The V3VEE Project + * All rights reserved. + * + * Author: Jack Lange + * + * This is free software. You are permitted to use, + * redistribute, and modify it as specified in the file "V3VEE_LICENSE". + */ + + + + + #include #include @@ -10,34 +33,25 @@ #include #include +#include +#include +#include +#include -extern struct vmm_os_hooks * os_hooks; - -extern uint_t cpuid_ecx(uint_t op); -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 v3_gprs * gprs); - -extern void STGI(); -extern void CLGI(); - -extern uint_t Get_CR3(); - - -extern void DisableInts(); - +#include +#include +extern void v3_stgi(); +extern void v3_clgi(); +extern int v3_svm_launch(vmcb_t * vmcb, struct v3_gprs * vm_regs); static vmcb_t * Allocate_VMCB() { - vmcb_t * vmcb_page = (vmcb_t*)os_hooks->allocate_pages(1); - + vmcb_t * vmcb_page = (vmcb_t *)V3_VAddr(V3_AllocPages(1)); memset(vmcb_page, 0, 4096); @@ -46,16 +60,16 @@ static vmcb_t * Allocate_VMCB() { +#include - -static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) { +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; - guest_state->rsp = vm_info.vm_regs.rsp; - // guest_state->rip = vm_info.rip; + guest_state->rsp = vm_info->vm_regs.rsp; + // guest_state->rip = vm_info->rip; guest_state->rip = 0xfff0; guest_state->cpl = 0; @@ -63,37 +77,92 @@ static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) { //ctrl_area->instrs.instrs.CR0 = 1; ctrl_area->cr_reads.cr0 = 1; ctrl_area->cr_writes.cr0 = 1; + //ctrl_area->cr_reads.cr4 = 1; + ctrl_area->cr_writes.cr4 = 1; + + + /* Set up the efer to enable 64 bit page tables */ + /* + { + struct efer_64 * efer = (struct efer_64 *)&(guest_state->efer); + struct cr4_32 * cr4 = (struct cr4_32 *)&(guest_state->cr4); + efer->lma = 1; + efer->lme = 1; + + cr4->pae = 1; + } + */ guest_state->efer |= EFER_MSR_svm_enable; + vm_info->guest_efer.value = 0x0LL; + + v3_hook_msr(vm_info, EFER_MSR, + &v3_handle_efer_read, + &v3_handle_efer_write, + vm_info); + + + guest_state->rflags = 0x00000002; // The reserved bit is always 1 ctrl_area->svm_instrs.VMRUN = 1; + ctrl_area->svm_instrs.VMMCALL = 1; + ctrl_area->svm_instrs.VMLOAD = 1; + ctrl_area->svm_instrs.VMSAVE = 1; + ctrl_area->svm_instrs.STGI = 1; + ctrl_area->svm_instrs.CLGI = 1; + ctrl_area->svm_instrs.SKINIT = 1; + ctrl_area->svm_instrs.RDTSCP = 1; + ctrl_area->svm_instrs.ICEBP = 1; + ctrl_area->svm_instrs.WBINVD = 1; + ctrl_area->svm_instrs.MONITOR = 1; + ctrl_area->svm_instrs.MWAIT_always = 1; + ctrl_area->svm_instrs.MWAIT_if_armed = 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; + + /* + ctrl_area->exceptions.de = 1; + ctrl_area->exceptions.df = 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; + 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; + /* DEBUG FOR RETURN CODE */ + ctrl_area->exit_code = 1; + + 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]; @@ -121,47 +190,68 @@ static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) { guest_state->dr6 = 0x00000000ffff0ff0LL; guest_state->dr7 = 0x0000000000000400LL; - if (vm_info.io_map.num_ports > 0) { - vmm_io_hook_t * iter; + + + + + + if ( !RB_EMPTY_ROOT(&(vm_info->io_map)) ) { + struct v3_io_hook * iter; + struct rb_node * io_node = v3_rb_first(&(vm_info->io_map)); addr_t io_port_bitmap; - - io_port_bitmap = (addr_t)os_hooks->allocate_pages(3); + int i = 0; + + io_port_bitmap = (addr_t)V3_VAddr(V3_AllocPages(3)); memset((uchar_t*)io_port_bitmap, 0, PAGE_SIZE * 3); - ctrl_area->IOPM_BASE_PA = io_port_bitmap; + ctrl_area->IOPM_BASE_PA = (addr_t)V3_PAddr((void *)io_port_bitmap); //PrintDebug("Setting up IO Map at 0x%x\n", io_port_bitmap); - FOREACH_IO_HOOK(vm_info.io_map, iter) { + do { + iter = rb_entry(io_node, struct v3_io_hook, tree_node); + ushort_t port = iter->port; uchar_t * bitmap = (uchar_t *)io_port_bitmap; + PrintDebug("%d: Hooking Port %d\n", i, port); bitmap += (port / 8); - PrintDebug("Setting Bit for port 0x%x\n", port); + // PrintDebug("Setting Bit for port 0x%x\n", port); *bitmap |= 1 << (port % 8); - } + + i++; + } while ((io_node = v3_rb_next(io_node))); //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) { + if (vm_info->shdw_pg_mode == SHADOW_PAGING) { PrintDebug("Creating initial shadow page table\n"); - vm_info.shdw_pg_state.shadow_cr3 |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff); + + + + /* Testing 64 bit page tables for long paged real mode guests */ + // vm_info->direct_map_pt = (addr_t)V3_PAddr(create_passthrough_pts_64(vm_info)); + vm_info->direct_map_pt = (addr_t)V3_PAddr(v3_create_direct_passthrough_pts(vm_info)); + /* End Test */ + + 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)); + guest_state->cr3 = vm_info->direct_map_pt; + + + //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; @@ -170,45 +260,47 @@ static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) { ctrl_area->instrs.INVLPG = 1; ctrl_area->instrs.INVLPGA = 1; + ctrl_area->exceptions.pf = 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) { + } 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; + ctrl_area->NP_ENABLE = 1; - //PrintDebug("NP_Enable at 0x%x\n", &(ctrl_area->NP_ENABLE)); + PrintDebug("NP_Enable at 0x%p\n", (void *)&(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); + // Set the Nested Page Table pointer + vm_info->direct_map_pt = ((addr_t)create_passthrough_pts_32(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; + guest_state->g_pat = 0x7040600070406ULL; } + if (vm_info->msr_map.num_hooks > 0) { + PrintDebug("Hooking %d msrs\n", vm_info->msr_map.num_hooks); + ctrl_area->MSRPM_BASE_PA = v3_init_svm_msr_map(vm_info); + ctrl_area->instrs.MSR_PROT = 1; -} - - - - + } +} static int init_svm_guest(struct guest_info *info) { @@ -224,10 +316,12 @@ static int init_svm_guest(struct guest_info *info) { // PrintDebugPageTables(info->page_tables); - PrintDebug("Initializing VMCB (addr=%x)\n", info->vmm_data); - Init_VMCB_BIOS((vmcb_t*)(info->vmm_data), *info); + PrintDebug("Initializing VMCB (addr=%p)\n", (void *)info->vmm_data); + Init_VMCB_BIOS((vmcb_t*)(info->vmm_data), info); + info->run_state = VM_STOPPED; + // info->rip = 0; info->vm_regs.rdi = 0; @@ -243,66 +337,136 @@ static int init_svm_guest(struct guest_info *info) { } + // can we start a kernel thread here... 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)); + uint_t num_exits = 0; + - PrintDebug("Launching SVM VM (vmcb=%x)\n", info->vmm_data); + + PrintDebug("Launching SVM VM (vmcb=%p)\n", (void *)info->vmm_data); //PrintDebugVMCB((vmcb_t*)(info->vmm_data)); + info->run_state = VM_RUNNING; + while (1) { ullong_t tmp_tsc; - CLGI(); - PrintDebug("SVM Entry to rip=%x...\n", info->rip); +#define MSR_STAR 0xc0000081 +#define MSR_LSTAR 0xc0000082 +#define MSR_CSTAR 0xc0000083 +#define MSR_SF_MASK 0xc0000084 +#define MSR_GS_BASE 0xc0000101 + + struct v3_msr host_cstar; + struct v3_msr host_star; + struct v3_msr host_lstar; + struct v3_msr host_syscall_mask; + struct v3_msr host_gs_base; + + v3_enable_ints(); + v3_clgi(); + + + /* + PrintDebug("SVM Entry to CS=%p rip=%p...\n", + (void *)(addr_t)info->segments.cs.base, + (void *)(addr_t)info->rip); + */ + + + v3_get_msr(MSR_STAR, &(host_star.hi), &(host_star.lo)); + v3_get_msr(MSR_LSTAR, &(host_lstar.hi), &(host_lstar.lo)); + v3_get_msr(MSR_CSTAR, &(host_cstar.hi), &(host_cstar.lo)); + v3_get_msr(MSR_SF_MASK, &(host_syscall_mask.hi), &(host_syscall_mask.lo)); + v3_get_msr(MSR_GS_BASE, &(host_gs_base.hi), &(host_gs_base.lo)); rdtscll(info->time_state.cached_host_tsc); guest_ctrl->TSC_OFFSET = info->time_state.guest_tsc - info->time_state.cached_host_tsc; - safe_svm_launch((vmcb_t*)(info->vmm_data), &(info->vm_regs)); + v3_svm_launch((vmcb_t*)V3_PAddr(info->vmm_data), &(info->vm_regs)); rdtscll(tmp_tsc); + + v3_set_msr(MSR_STAR, host_star.hi, host_star.lo); + v3_set_msr(MSR_LSTAR, host_lstar.hi, host_lstar.lo); + v3_set_msr(MSR_CSTAR, host_cstar.hi, host_cstar.lo); + v3_set_msr(MSR_SF_MASK, host_syscall_mask.hi, host_syscall_mask.lo); + v3_set_msr(MSR_GS_BASE, host_gs_base.hi, host_gs_base.lo); + //PrintDebug("SVM Returned\n"); + v3_update_time(info, tmp_tsc - info->time_state.cached_host_tsc); + num_exits++; - STGI(); + //PrintDebug("Turning on global interrupts\n"); + v3_stgi(); + + + if ((num_exits % 5000) == 0) { + PrintDebug("SVM Exit number %d\n", num_exits); + if (info->enable_profiler) + v3_print_profile(info); + } - - if (handle_svm_exit(info) != 0) { + + if (v3_handle_svm_exit(info) != 0) { + vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data)); addr_t host_addr; addr_t linear_addr = 0; + info->run_state = VM_ERROR; + PrintDebug("SVM ERROR!!\n"); - PrintDebug("RIP: %x\n", guest_state->rip); + PrintDebug("RIP: %p\n", (void *)(addr_t)(guest_state->rip)); linear_addr = get_addr_linear(info, guest_state->rip, &(info->segments.cs)); - PrintDebug("RIP Linear: %x\n", linear_addr); + PrintDebug("RIP Linear: %p\n", (void *)linear_addr); + v3_print_segments(info); + v3_print_ctrl_regs(info); + if (info->shdw_pg_mode == SHADOW_PAGING) { + PrintDebug("Shadow Paging Guest Registers:\n"); + PrintDebug("\tGuest CR0=%p\n", (void *)(addr_t)(info->shdw_pg_state.guest_cr0)); + PrintDebug("\tGuest CR3=%p\n", (void *)(addr_t)(info->shdw_pg_state.guest_cr3)); + // efer + // CR4 + } + v3_print_GPRs(info); + PrintDebug("SVM Exit Code: %p\n", (void *)(addr_t)guest_ctrl->exit_code); + + PrintDebug("exit_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1)); + PrintDebug("exit_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4)); + + PrintDebug("exit_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2)); + PrintDebug("exit_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4)); if (info->mem_mode == PHYSICAL_MEM) { - guest_pa_to_host_pa(info, linear_addr, &host_addr); + guest_pa_to_host_va(info, linear_addr, &host_addr); } else if (info->mem_mode == VIRTUAL_MEM) { - guest_va_to_host_pa(info, linear_addr, &host_addr); + guest_va_to_host_va(info, linear_addr, &host_addr); } - PrintDebug("Host Address of rip = 0x%x\n", host_addr); + PrintDebug("Host Address of rip = 0x%p\n", (void *)host_addr); - PrintDebug("Instr (15 bytes) at %x:\n", host_addr); - PrintTraceMemDump((char*)host_addr, 15); + PrintDebug("Instr (15 bytes) at %p:\n", (void *)host_addr); + PrintTraceMemDump((uchar_t *)host_addr, 15); break; } + } return 0; } @@ -310,37 +474,36 @@ static int start_svm_guest(struct guest_info *info) { + /* Checks machine SVM capability */ /* Implemented from: AMD Arch Manual 3, sect 15.4 */ -int is_svm_capable() { +int v3_is_svm_capable() { #if 1 // Dinda - - uint_t ret; uint_t vm_cr_low = 0, vm_cr_high = 0; + addr_t eax = 0, ebx = 0, ecx = 0, edx = 0; - - ret = cpuid_ecx(CPUID_FEATURE_IDS); + v3_cpuid(CPUID_FEATURE_IDS, &eax, &ebx, &ecx, &edx); - PrintDebug("CPUID_FEATURE_IDS_ecx=0x%x\n",ret); + PrintDebug("CPUID_FEATURE_IDS_ecx=%p\n", (void *)ecx); - if ((ret & CPUID_FEATURE_IDS_ecx_svm_avail) == 0) { + if ((ecx & 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); + v3_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); + 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); + v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx); - PrintDebug("CPUID_FEATURE_IDS_edx=0x%x\n",ret); + PrintDebug("CPUID_FEATURE_IDS_edx=%p\n", (void *)edx); - if ((ret & CPUID_SVM_REV_AND_FEATURE_IDS_edx_svml) == 0) { + if ((edx & 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"); @@ -350,11 +513,14 @@ int is_svm_capable() { } 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); + v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx); + PrintDebug("CPUID_FEATURE_IDS_eax=%p\n", (void *)eax); + PrintDebug("CPUID_FEATURE_IDS_ebx=%p\n", (void *)ebx); + PrintDebug("CPUID_FEATURE_IDS_ecx=%p\n", (void *)ecx); + PrintDebug("CPUID_FEATURE_IDS_edx=%p\n", (void *)edx); - if ((ret & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 0) { + + if ((edx & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 0) { PrintDebug("SVM Nested Paging not supported\n"); } else { PrintDebug("SVM Nested Paging supported\n"); @@ -366,24 +532,24 @@ int is_svm_capable() { } #else + uint_t eax = 0, ebx = 0, ecx = 0, edx = 0; + addr_t vm_cr_low = 0, vm_cr_high = 0; - uint_t ret = cpuid_ecx(CPUID_FEATURE_IDS); - uint_t vm_cr_low = 0, vm_cr_high = 0; - + v3_cpuid(CPUID_FEATURE_IDS, &eax, &ebx, &ecx, &edx); - if ((ret & CPUID_FEATURE_IDS_ecx_svm_avail) == 0) { + if ((ecx & 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); + v3_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); + PrintDebug("SVM_VM_CR_MSR = 0x%x 0x%x\n", vm_cr_high, vm_cr_low); // 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) { + if ((edx & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 1) { PrintDebug("Nested Paging not supported\n"); } else { PrintDebug("Nested Paging supported\n"); @@ -394,9 +560,9 @@ int is_svm_capable() { return 1; } - ret = cpuid_edx(CPUID_SVM_REV_AND_FEATURE_IDS); + v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx); - if ((ret & CPUID_SVM_REV_AND_FEATURE_IDS_edx_svml) == 0) { + if ((edx & 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"); @@ -408,37 +574,56 @@ int is_svm_capable() { } +static int has_svm_nested_paging() { + addr_t eax = 0, ebx = 0, ecx = 0, edx = 0; + + v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx); + + //PrintDebug("CPUID_FEATURE_IDS_edx=0x%x\n", edx); + + if ((edx & 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) { +void v3_init_SVM(struct v3_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)); + v3_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); + v3_set_msr(EFER_MSR, 0, msr.e_reg.low); PrintDebug("SVM Enabled\n"); // Setup the host state save area - host_state = os_hooks->allocate_pages(4); + host_state = V3_AllocPages(4); - msr.e_reg.high = 0; - msr.e_reg.low = (uint_t)host_state; + /* 64-BIT-ISSUE */ + // msr.e_reg.high = 0; + //msr.e_reg.low = (uint_t)host_state; + msr.r_reg = (addr_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); + PrintDebug("Host State being saved at %p\n", (void *)(addr_t)host_state); + v3_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; } @@ -545,10 +730,10 @@ void Init_SVM(struct vmm_ctrl_ops * vmm_ops) { } if (vm_info.io_map.num_ports > 0) { - vmm_io_hook_t * iter; + struct vmm_io_hook * iter; addr_t io_port_bitmap; - io_port_bitmap = (addr_t)os_hooks->allocate_pages(3); + io_port_bitmap = (addr_t)V3_AllocPages(3); memset((uchar_t*)io_port_bitmap, 0, PAGE_SIZE * 3); ctrl_area->IOPM_BASE_PA = io_port_bitmap; @@ -576,7 +761,7 @@ void Init_SVM(struct vmm_ctrl_ops * vmm_ops) { if (vm_info.page_mode == SHADOW_PAGING) { PrintDebug("Creating initial shadow page table\n"); - vm_info.shdw_pg_state.shadow_cr3 |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff); + vm_info.shdw_pg_state.shadow_cr3 |= ((addr_t)create_passthrough_pts_32(&vm_info) & ~0xfff); PrintDebug("Created\n"); guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3; @@ -706,7 +891,7 @@ void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) { ctrl_area->instrs.IOIO_PROT = 1; - ctrl_area->IOPM_BASE_PA = (uint_t)os_hooks->allocate_pages(3); + ctrl_area->IOPM_BASE_PA = (uint_t)V3_AllocPages(3); { reg_ex_t tmp_reg;