extern void DisableInts();
+extern void EnableInts();
-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;
ctrl_area->exceptions.of = 1;
ctrl_area->exceptions.nmi = 1;
- vm_info.vm_regs.rdx = 0x00000f00;
+ // 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->dr6 = 0x00000000ffff0ff0LL;
guest_state->dr7 = 0x0000000000000400LL;
- if (vm_info.io_map.num_ports > 0) {
+ if (vm_info->io_map.num_ports > 0) {
vmm_io_hook_t * iter;
addr_t io_port_bitmap;
//PrintDebug("Setting up IO Map at 0x%x\n", io_port_bitmap);
- FOREACH_IO_HOOK(vm_info.io_map, iter) {
+ FOREACH_IO_HOOK(vm_info->io_map, iter) {
ushort_t port = iter->port;
uchar_t * bitmap = (uchar_t *)io_port_bitmap;
ctrl_area->instrs.INTR = 1;
- if (vm_info.page_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);
+ 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;
+ guest_state->cr3 = vm_info->shdw_pg_state.shadow_cr3;
- //PrintDebugPageTables((pde32_t*)(vm_info.shdw_pg_state.shadow_cr3.e_reg.low));
+ //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.page_mode == NESTED_PAGING) {
+
+ } else if (vm_info->shdw_pg_mode == NESTED_PAGING) {
// Flush the TLB on entries/exits
- //ctrl_area->TLB_CONTROL = 1;
+ 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%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);
+ // 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;
+ guest_state->g_pat = 0x7040600070406ULL;
}
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;
ullong_t tmp_tsc;
+ EnableInts();
CLGI();
- PrintDebug("SVM Entry...\n");
+ 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));
rdtscll(tmp_tsc);
- PrintDebug("SVM Returned\n");
+ //PrintDebug("SVM Returned\n");
v3_update_time(info, tmp_tsc - info->time_state.cached_host_tsc);
PrintDebug("SVM ERROR!!\n");
-
PrintDebug("RIP: %x\n", guest_state->rip);
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);
+ }
- guest_pa_to_host_pa(info, linear_addr, &host_addr);
PrintDebug("Host Address of rip = 0x%x\n", host_addr);
/* Checks machine SVM capability */
/* Implemented from: AMD Arch Manual 3, sect 15.4 */
int is_svm_capable() {
+
+#if 1
+ // Dinda
+
+ 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);
+
+ 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
+
uint_t ret = cpuid_ecx(CPUID_FEATURE_IDS);
uint_t vm_cr_low = 0, vm_cr_high = 0;
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);
+
+
+ // 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;
}
}
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);
+
+ 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;
+ }
+
}
// 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;
}
