/********** Setup and VMX Control Fields from MSR ***********/
/* Setup IO map */
- v3_init_vmx_io_map(info);
- v3_init_vmx_msr_map(info);
+
struct v3_msr tmp_msr;
vmx_state->pri_proc_ctrls.use_msr_bitmap = 1;
vmx_state->pri_proc_ctrls.pause_exit = 1;
- vmx_ret |= check_vmcs_write(VMCS_IO_BITMAP_A_ADDR, (addr_t)V3_PAddr(info->io_map.arch_data));
+ vmx_ret |= check_vmcs_write(VMCS_IO_BITMAP_A_ADDR, (addr_t)V3_PAddr(info->vm_info->io_map.arch_data));
vmx_ret |= check_vmcs_write(VMCS_IO_BITMAP_B_ADDR,
- (addr_t)V3_PAddr(info->io_map.arch_data) + PAGE_SIZE_4KB);
+ (addr_t)V3_PAddr(info->vm_info->io_map.arch_data) + PAGE_SIZE_4KB);
+
- vmx_ret |= check_vmcs_write(VMCS_MSR_BITMAP, (addr_t)V3_PAddr(info->msr_map.arch_data));
+ vmx_ret |= check_vmcs_write(VMCS_MSR_BITMAP, (addr_t)V3_PAddr(info->vm_info->msr_map.arch_data));
v3_get_msr(VMX_EXIT_CTLS_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
vmx_state->exit_ctrls.value = tmp_msr.lo;
check_vmcs_read(VMCS_IDT_VECTOR_INFO, &(idt_vec_info.value));
- if ((info->intr_state.irq_started == 1) && (idt_vec_info.valid == 0)) {
+ if ((info->intr_core_state.irq_started == 1) && (idt_vec_info.valid == 0)) {
#ifdef CONFIG_DEBUG_INTERRUPTS
PrintDebug("Calling v3_injecting_intr\n");
#endif
- info->intr_state.irq_started = 0;
- v3_injecting_intr(info, info->intr_state.irq_vector, V3_EXTERNAL_IRQ);
+ info->intr_core_state.irq_started = 0;
+ v3_injecting_intr(info, info->intr_core_state.irq_vector, V3_EXTERNAL_IRQ);
}
return 0;
static int update_irq_entry_state(struct guest_info * info) {
struct vmx_exit_idt_vec_info idt_vec_info;
+ struct vmcs_interrupt_state intr_core_state;
struct vmx_data * vmx_info = (struct vmx_data *)(info->vmm_data);
check_vmcs_read(VMCS_IDT_VECTOR_INFO, &(idt_vec_info.value));
+ check_vmcs_read(VMCS_GUEST_INT_STATE, &(intr_core_state));
/* Check for pending exceptions to inject */
if (v3_excp_pending(info)) {
v3_injecting_excp(info, int_info.vector);
- } else if (((struct rflags *)&(info->ctrl_regs.rflags))->intr == 1) {
+ } else if ((((struct rflags *)&(info->ctrl_regs.rflags))->intr == 1) &&
+ (intr_core_state.val == 0)) {
- if ((info->intr_state.irq_started == 1) && (idt_vec_info.valid == 1)) {
+ if ((info->intr_core_state.irq_started == 1) && (idt_vec_info.valid == 1)) {
#ifdef CONFIG_DEBUG_INTERRUPTS
PrintDebug("IRQ pending from previous injection\n");
switch (v3_intr_pending(info)) {
case V3_EXTERNAL_IRQ: {
- info->intr_state.irq_vector = v3_get_intr(info);
- ent_int.vector = info->intr_state.irq_vector;
+ info->intr_core_state.irq_vector = v3_get_intr(info);
+ ent_int.vector = info->intr_core_state.irq_vector;
ent_int.type = 0;
ent_int.error_code = 0;
ent_int.valid = 1;
#ifdef CONFIG_DEBUG_INTERRUPTS
PrintDebug("Injecting Interrupt %d at exit %u(EIP=%p)\n",
- info->intr_state.irq_vector,
+ info->intr_core_state.irq_vector,
(uint32_t)info->num_exits,
(void *)info->rip);
#endif
check_vmcs_write(VMCS_ENTRY_INT_INFO, ent_int.value);
- info->intr_state.irq_started = 1;
+ info->intr_core_state.irq_started = 1;
break;
}
}
+
+static struct vmx_exit_info exit_log[10];
+
+static void print_exit_log(struct guest_info * info) {
+ int cnt = info->num_exits % 10;
+ int i = 0;
+
+
+ V3_Print("\nExit Log (%d total exits):\n", (uint32_t)info->num_exits);
+
+ for (i = 0; i < 10; i++) {
+ struct vmx_exit_info * tmp = &exit_log[cnt];
+
+ V3_Print("%d:\texit_reason = %p\n", i, (void *)(addr_t)tmp->exit_reason);
+ V3_Print("\texit_qual = %p\n", (void *)tmp->exit_qual);
+ V3_Print("\tint_info = %p\n", (void *)(addr_t)tmp->int_info);
+ V3_Print("\tint_err = %p\n", (void *)(addr_t)tmp->int_err);
+ V3_Print("\tinstr_info = %p\n", (void *)(addr_t)tmp->instr_info);
+
+ cnt--;
+
+ if (cnt == -1) {
+ cnt = 9;
+ }
+
+ }
+
+}
+
/*
* CAUTION and DANGER!!!
*
v3_vmx_restore_vmcs(info);
-#ifdef CONFIG_SYMBIOTIC
- if (info->sym_state.sym_call_active == 0) {
+#ifdef CONFIG_SYMCALL
+ if (info->sym_core_state.symcall_state.sym_call_active == 0) {
update_irq_entry_state(info);
}
#else
update_irq_entry_state(info);
#endif
+ {
+ addr_t guest_cr3;
+ vmcs_read(VMCS_GUEST_CR3, &guest_cr3);
+ vmcs_write(VMCS_GUEST_CR3, guest_cr3);
+ }
rdtscll(info->time_state.cached_host_tsc);
- if (info->run_state == VM_STOPPED) {
- info->run_state = VM_RUNNING;
+ if (info->vm_info->run_state == VM_STOPPED) {
+ info->vm_info->run_state = VM_RUNNING;
ret = v3_vmx_launch(&(info->vm_regs), info, &(info->ctrl_regs));
} else {
ret = v3_vmx_resume(&(info->vm_regs), info, &(info->ctrl_regs));
/* Update guest state */
v3_vmx_save_vmcs(info);
+ // info->cpl = info->segments.cs.selector & 0x3;
+
info->mem_mode = v3_get_vm_mem_mode(info);
info->cpu_mode = v3_get_vm_cpu_mode(info);
//PrintDebug("VMX Exit taken, id-qual: %u-%lu\n", exit_info.exit_reason, exit_info.exit_qual);
+ exit_log[info->num_exits % 10] = exit_info;
+
-#ifdef CONFIG_SYMBIOTIC
- if (info->sym_state.sym_call_active == 0) {
+#ifdef CONFIG_SYMCALL
+ if (info->sym_core_state.symcall_state.sym_call_active == 0) {
update_irq_exit_state(info);
}
#else
while (1) {
if (v3_vmx_enter(info) == -1) {
v3_print_vmcs();
+ print_exit_log(info);
return -1;
}
+/*
if ((info->num_exits % 5000) == 0) {
- V3_Print("SVM Exit number %d\n", (uint32_t)info->num_exits);
+ V3_Print("VMX Exit number %d\n", (uint32_t)info->num_exits);
}
+*/
+
}
return 0;
uint64_t ret = 0;
v3_get_msr(VMX_CR4_FIXED0_MSR,&(tmp_msr.hi),&(tmp_msr.lo));
-
+#ifdef __V3_64BIT__
__asm__ __volatile__ (
"movq %%cr4, %%rbx;"
"orq $0x00002000, %%rbx;"
:
: "%rbx"
);
+#elif __V3_32BIT__
+ __asm__ __volatile__ (
+ "movq %%cr4, %%ecx;"
+ "orq $0x00002000, %%ecx;"
+ "movq %%ecx, %0;"
+ : "=m"(ret)
+ :
+ : "%ecx"
+ );
+
+ if ((~ret & tmp_msr.value) == 0) {
+ __asm__ __volatile__ (
+ "movq %0, %%cr4;"
+ :
+ : "q"(ret)
+ );
+ } else {
+ PrintError("Invalid CR4 Settings!\n");
+ return;
+ }
+
+ __asm__ __volatile__ (
+ "movq %%cr0, %%ecx; "
+ "orq $0x00000020,%%ecx; "
+ "movq %%ecx, %%cr0;"
+ :
+ :
+ : "%ecx"
+ );
+
+#endif
+
//
// Should check and return Error here....