#include <palacios/vmm_direct_paging.h>
+#include <palacios/vmm_ctrl_regs.h>
+
+
extern void v3_stgi();
extern void v3_clgi();
//extern int v3_svm_launch(vmcb_t * vmcb, struct v3_gprs * vm_regs, uint64_t * fs, uint64_t * gs);
extern int v3_svm_launch(vmcb_t * vmcb, struct v3_gprs * vm_regs);
-
-
static vmcb_t * Allocate_VMCB() {
vmcb_t * vmcb_page = (vmcb_t *)V3_VAddr(V3_AllocPages(1));
-#include <palacios/vmm_ctrl_regs.h>
-
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);
guest_state->cpl = 0;
-
-
-
- /* 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;
ctrl_area->instrs.HLT = 1;
// guest_state->cr0 = 0x00000001; // PE
-
-
/*
ctrl_area->exceptions.de = 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;
-
+ 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.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};
+ 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->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->dr6 = 0x00000000ffff0ff0LL;
guest_state->dr7 = 0x0000000000000400LL;
-
-
-
-
if ( !RB_EMPTY_ROOT(&(vm_info->io_map)) ) {
struct v3_io_hook * iter;
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 = (addr_t)V3_PAddr((void *)io_port_bitmap);
-
+
//PrintDebug("Setting up IO Map at 0x%x\n", io_port_bitmap);
-
+
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);
*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) {
PrintDebug("Creating initial shadow page table\n");
ctrl_area->guest_ASID = 1;
- vm_info->direct_map_pt = (addr_t)V3_PAddr((void *)v3_create_direct_passthrough_pts(vm_info));
+ if (v3_init_passthrough_pts(vm_info) == -1) {
+ PrintError("Could not initialize passthrough page tables\n");
+ return ;
+ }
+
+
vm_info->shdw_pg_state.guest_cr0 = 0x0000000000000010LL;
PrintDebug("Created\n");
ctrl_area->cr_reads.cr3 = 1;
ctrl_area->cr_writes.cr3 = 1;
-
vm_info->guest_efer.value = 0x0LL;
-
+
v3_hook_msr(vm_info, EFER_MSR,
&v3_handle_efer_read,
&v3_handle_efer_write,
vm_info);
-
ctrl_area->instrs.INVLPG = 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) {
// Flush the TLB on entries/exits
ctrl_area->TLB_CONTROL = 1;
ctrl_area->guest_ASID = 1;
-
+
// Enable Nested Paging
ctrl_area->NP_ENABLE = 1;
-
+
PrintDebug("NP_Enable at 0x%p\n", (void *)&(ctrl_area->NP_ENABLE));
-
+
// Set the Nested Page Table pointer
- vm_info->direct_map_pt = (addr_t)V3_PAddr((void *)v3_create_direct_passthrough_pts(vm_info));
+ if (v3_init_passthrough_pts(vm_info) == -1) {
+ PrintError("Could not initialize Nested page tables\n");
+ return ;
+ }
+
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;
}
-
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;
-
}
-
/* Safety locations for fs/gs */
// vm_info->fs = 0;
PrintDebug("Allocating VMCB\n");
info->vmm_data = (void*)Allocate_VMCB();
-
- //PrintDebug("Generating Guest nested page tables\n");
- // info->page_tables = NULL;
- //info->page_tables = generate_guest_page_tables_64(&(info->mem_layout), &(info->mem_list));
- //info->page_tables = generate_guest_page_tables(&(info->mem_layout), &(info->mem_list));
- // PrintDebugPageTables(info->page_tables);
-
-
PrintDebug("Initializing VMCB (addr=%p)\n", (void *)info->vmm_data);
Init_VMCB_BIOS((vmcb_t*)(info->vmm_data), info);
PrintDebug("SVM is locked with a key\n");
}
return 0;
-
+
} else {
PrintDebug("SVM is available and enabled.\n");
-
+
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_ecx=%p\n", (void *)ecx);
PrintDebug("CPUID_FEATURE_IDS_edx=%p\n", (void *)edx);
-
+
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");
}
-
- return 1;
+
+ return 1;
}
}
}
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;
