+/* Northwestern University */
+/* (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> */
+
+
#include <palacios/svm.h>
#include <palacios/vmm.h>
#include <palacios/vmm_decoder.h>
-extern struct vmm_os_hooks * os_hooks;
+
extern uint_t cpuid_ecx(uint_t op);
extern uint_t cpuid_edx(uint_t op);
static vmcb_t * Allocate_VMCB() {
- vmcb_t * vmcb_page = (vmcb_t*)os_hooks->allocate_pages(1);
+ vmcb_t * vmcb_page = (vmcb_t *)V3_AllocPages(1);
memset(vmcb_page, 0, 4096);
-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;
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->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->dr6 = 0x00000000ffff0ff0LL;
guest_state->dr7 = 0x0000000000000400LL;
- if (vm_info.io_map.num_ports > 0) {
- vmm_io_hook_t * iter;
+ if (vm_info->io_map.num_ports > 0) {
+ 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;
//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.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);
- vm_info.shdw_pg_state.guest_cr0 = 0x0000000000000010LL;
+ 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;
+ 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->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;
PrintDebug("NP_Enable at 0x%x\n", &(ctrl_area->NP_ENABLE));
// Set the Nested Page Table pointer
- ctrl_area->N_CR3 = ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff);
+ 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);
}
-
-
-
-
-
-
-
static int init_svm_guest(struct guest_info *info) {
PrintDebug("Allocating VMCB\n");
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->run_state = VM_STOPPED;
+
// info->rip = 0;
info->vm_regs.rdi = 0;
}
+
// can we start a kernel thread here...
-static int start_svm_guest(struct guest_info *info) {
+ 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);
//PrintDebugVMCB((vmcb_t*)(info->vmm_data));
+ info->run_state = VM_RUNNING;
+
while (1) {
ullong_t tmp_tsc;
EnableInts();
CLGI();
- PrintDebug("SVM Entry to rip=%x...\n", info->rip);
+ // 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);
v3_update_time(info, tmp_tsc - info->time_state.cached_host_tsc);
+ num_exits++;
STGI();
+ if ((num_exits % 25) == 0) {
+ PrintDebug("SVM Exit number %d\n", num_exits);
+ }
+
if (handle_svm_exit(info) != 0) {
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 Linear: %x\n", linear_addr);
- PrintV3Segments(&(info->segments));
- PrintV3CtrlRegs(&(info->ctrl_regs));
-
+ PrintV3Segments(info);
+ PrintV3CtrlRegs(info);
+ PrintV3GPRs(info);
if (info->mem_mode == PHYSICAL_MEM) {
guest_pa_to_host_pa(info, linear_addr, &host_addr);
+
/* Checks machine SVM capability */
/* Implemented from: AMD Arch Manual 3, sect 15.4 */
int is_svm_capable() {
// 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;
}
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;
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;
