//PrintDebugVMCB((vmcb_t*)(info->vmm_data));
info->run_state = VM_RUNNING;
-
+ rdtscll(info->yield_start_cycle);
+
+
while (1) {
ullong_t tmp_tsc;
+ // Conditionally yield the CPU if the timeslice has expired
+ v3_yield_cond(info);
/*
PrintDebug("SVM Entry to CS=%p rip=%p...\n",
*/
// disable global interrupts for vm state transition
+
v3_clgi();
}
+ // Conditionally yield the CPU if the timeslice has expired
+ v3_yield_cond(info);
+
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;
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));
+ linear_addr = get_addr_linear(info, info->rip, &(info->segments.cs));
+
if (info->mem_mode == PHYSICAL_MEM) {
guest_pa_to_host_va(info, linear_addr, &host_addr);
} else if (info->mem_mode == VIRTUAL_MEM) {
guest_va_to_host_va(info, linear_addr, &host_addr);
}
-
PrintDebug("Host Address of rip = 0x%p\n", (void *)host_addr);
PrintDebug("Instr (15 bytes) at %p:\n", (void *)host_addr);
uint_t vm_cr_low = 0, vm_cr_high = 0;
addr_t eax = 0, ebx = 0, ecx = 0, edx = 0;
- v3_cpuid(CPUID_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
+ v3_cpuid(CPUID_EXT_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
- PrintDebug("CPUID_FEATURE_IDS_ecx=%p\n", (void *)ecx);
+ PrintDebug("CPUID_EXT_FEATURE_IDS_ecx=%p\n", (void *)ecx);
- if ((ecx & CPUID_FEATURE_IDS_ecx_svm_avail) == 0) {
+ if ((ecx & CPUID_EXT_FEATURE_IDS_ecx_svm_avail) == 0) {
PrintDebug("SVM Not Available\n");
return 0;
} else {
v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
- //PrintDebug("CPUID_FEATURE_IDS_edx=0x%x\n", edx);
+ //PrintDebug("CPUID_EXT_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");
PrintDebug("SVM Enabled\n");
-
// Setup the host state save area
host_vmcb = V3_AllocPages(4);
-
/* 64-BIT-ISSUE */
// msr.e_reg.high = 0;
//msr.e_reg.low = (uint_t)host_vmcb;
PrintDebug("Host State being saved at %p\n", (void *)(addr_t)host_vmcb);
v3_set_msr(SVM_VM_HSAVE_PA_MSR, msr.e_reg.high, msr.e_reg.low);
-
-
/*
* Test VMSAVE/VMLOAD Latency
*/
end <<= 32;
end += end_lo;
-
PrintDebug("VMSave Cycle Latency: %d\n", (uint32_t)(end - start));
-
-
-
__asm__ __volatile__ (
"rdtsc ; "
"movl %%eax, %%esi ; "
PrintDebug("VMLoad Cycle Latency: %d\n", (uint32_t)(end - start));
-
-
-
}
-
-
/* End Latency Test */
if (has_svm_nested_paging() == 1) {