#include <palacios/vmm_sprintf.h>
-#ifndef CONFIG_DEBUG_SVM
+#ifndef V3_CONFIG_DEBUG_SVM
#undef PrintDebug
#define PrintDebug(fmt, args...)
#endif
uint32_t v3_last_exit;
// This is a global pointer to the host's VMCB
-static addr_t host_vmcbs[CONFIG_MAX_CPUS] = { [0 ... CONFIG_MAX_CPUS - 1] = 0};
+static addr_t host_vmcbs[V3_CONFIG_MAX_CPUS] = { [0 ... V3_CONFIG_MAX_CPUS - 1] = 0};
ctrl_area->instrs.HLT = 1;
-#ifdef CONFIG_TIME_VIRTUALIZE_TSC
+#ifdef V3_CONFIG_TIME_VIRTUALIZE_TSC
ctrl_area->instrs.RDTSC = 1;
ctrl_area->svm_instrs.RDTSCP = 1;
#endif
ctrl_area->instrs.INTR = 1;
+ v3_hook_msr(core->vm_info, EFER_MSR,
+ &v3_handle_efer_read,
+ &v3_handle_efer_write,
+ core);
+
if (core->shdw_pg_mode == SHADOW_PAGING) {
PrintDebug("Creating initial shadow page table\n");
ctrl_area->cr_reads.cr3 = 1;
ctrl_area->cr_writes.cr3 = 1;
- v3_hook_msr(core->vm_info, EFER_MSR,
- &v3_handle_efer_read,
- &v3_handle_efer_write,
- core);
+
ctrl_area->instrs.INVLPG = 1;
if ((info->intr_core_state.irq_pending == 1) && (guest_ctrl->guest_ctrl.V_IRQ == 0)) {
-#ifdef CONFIG_DEBUG_INTERRUPTS
+#ifdef V3_CONFIG_DEBUG_INTERRUPTS
PrintDebug("INTAK cycle completed for irq %d\n", info->intr_core_state.irq_vector);
#endif
}
if ((info->intr_core_state.irq_started == 1) && (guest_ctrl->exit_int_info.valid == 0)) {
-#ifdef CONFIG_DEBUG_INTERRUPTS
+#ifdef V3_CONFIG_DEBUG_INTERRUPTS
PrintDebug("Interrupt %d taken by guest\n", info->intr_core_state.irq_vector);
#endif
info->intr_core_state.irq_started = 0;
} else if ((info->intr_core_state.irq_started == 1) && (guest_ctrl->exit_int_info.valid == 1)) {
-#ifdef CONFIG_DEBUG_INTERRUPTS
+#ifdef V3_CONFIG_DEBUG_INTERRUPTS
PrintDebug("EXIT INT INFO is set (vec=%d)\n", guest_ctrl->exit_int_info.vector);
#endif
}
if (info->excp_state.excp_error_code_valid) {
guest_ctrl->EVENTINJ.error_code = info->excp_state.excp_error_code;
guest_ctrl->EVENTINJ.ev = 1;
-#ifdef CONFIG_DEBUG_INTERRUPTS
+#ifdef V3_CONFIG_DEBUG_INTERRUPTS
PrintDebug("Injecting exception %d with error code %x\n", excp, guest_ctrl->EVENTINJ.error_code);
#endif
}
guest_ctrl->EVENTINJ.valid = 1;
-#ifdef CONFIG_DEBUG_INTERRUPTS
+#ifdef V3_CONFIG_DEBUG_INTERRUPTS
PrintDebug("<%d> Injecting Exception %d (CR2=%p) (EIP=%p)\n",
(int)info->num_exits,
guest_ctrl->EVENTINJ.vector,
v3_injecting_excp(info, excp);
} else if (info->intr_core_state.irq_started == 1) {
-#ifdef CONFIG_DEBUG_INTERRUPTS
+#ifdef V3_CONFIG_DEBUG_INTERRUPTS
PrintDebug("IRQ pending from previous injection\n");
#endif
guest_ctrl->guest_ctrl.V_IRQ = 1;
guest_ctrl->guest_ctrl.V_IGN_TPR = 1;
guest_ctrl->guest_ctrl.V_INTR_PRIO = 0xf;
-#ifdef CONFIG_DEBUG_INTERRUPTS
+#ifdef V3_CONFIG_DEBUG_INTERRUPTS
PrintDebug("Injecting Interrupt %d (EIP=%p)\n",
guest_ctrl->guest_ctrl.V_INTR_VECTOR,
(void *)(addr_t)info->rip);
vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data));
addr_t exit_code = 0, exit_info1 = 0, exit_info2 = 0;
- v3_adjust_time(info);
-
// Conditionally yield the CPU if the timeslice has expired
v3_yield_cond(info);
+ // Perform any additional yielding needed for time adjustment
+ v3_adjust_time(info);
+
// disable global interrupts for vm state transition
v3_clgi();
+ // Update timer devices prior to entering VM.
+ v3_update_timers(info);
+
// Synchronize the guest state to the VMCB
guest_state->cr0 = info->ctrl_regs.cr0;
guest_state->cr2 = info->ctrl_regs.cr2;
guest_state->rip = info->rip;
guest_state->rsp = info->vm_regs.rsp;
-#ifdef CONFIG_SYMCALL
+#ifdef V3_CONFIG_SYMCALL
if (info->sym_core_state.symcall_state.sym_call_active == 0) {
update_irq_entry_state(info);
}
(void *)(addr_t)info->rip);
*/
-#ifdef CONFIG_SYMCALL
+#ifdef V3_CONFIG_SYMCALL
if (info->sym_core_state.symcall_state.sym_call_active == 1) {
if (guest_ctrl->guest_ctrl.V_IRQ == 1) {
V3_Print("!!! Injecting Interrupt during Sym call !!!\n");
}
#endif
- v3_update_timers(info);
+ v3_time_enter_vm(info);
guest_ctrl->TSC_OFFSET = v3_tsc_host_offset(&info->time_state);
//V3_Print("Calling v3_svm_launch\n");
- v3_svm_launch((vmcb_t *)V3_PAddr(info->vmm_data), &(info->vm_regs), (vmcb_t *)host_vmcbs[info->cpu_id]);
+ v3_svm_launch((vmcb_t *)V3_PAddr(info->vmm_data), &(info->vm_regs), (vmcb_t *)host_vmcbs[V3_Get_CPU()]);
//V3_Print("SVM Returned: Exit Code: %x, guest_rip=%lx\n", (uint32_t)(guest_ctrl->exit_code), (unsigned long)guest_state->rip);
v3_last_exit = (uint32_t)(guest_ctrl->exit_code);
- //PrintDebug("SVM Returned\n");
-
+ // Immediate exit from VM time bookkeeping
+ v3_time_exit_vm(info);
+
info->num_exits++;
// Save Guest state from VMCB
exit_info2 = guest_ctrl->exit_info2;
-#ifdef CONFIG_SYMCALL
+#ifdef V3_CONFIG_SYMCALL
if (info->sym_core_state.symcall_state.sym_call_active == 0) {
update_irq_exit_state(info);
}
if (v3_handle_svm_exit(info, exit_code, exit_info1, exit_info2) != 0) {
PrintError("Error in SVM exit handler\n");
+ PrintError(" last exit was %d\n", v3_last_exit);
return -1;
}