#include <palacios/vmm_sprintf.h>
+#ifndef 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
ctrl_area->instrs.NMI = 1;
- ctrl_area->instrs.SMI = 1;
+ ctrl_area->instrs.SMI = 0; // allow SMIs to run in guest
ctrl_area->instrs.INIT = 1;
ctrl_area->instrs.PAUSE = 1;
ctrl_area->instrs.shutdown_evts = 1;
core->dbg_regs.dr7 = 0x0000000000000400LL;
- /** THESE NEED TO BE MOVED TO GLOBAL LOCATION **/
- v3_init_svm_io_map(core->vm_info);
ctrl_area->IOPM_BASE_PA = (addr_t)V3_PAddr(core->vm_info->io_map.arch_data);
ctrl_area->instrs.IOIO_PROT = 1;
-
- v3_init_svm_msr_map(core->vm_info);
+
ctrl_area->MSRPM_BASE_PA = (addr_t)V3_PAddr(core->vm_info->msr_map.arch_data);
- ctrl_area->instrs.MSR_PROT = 1;
- /** *** **/
+ ctrl_area->instrs.MSR_PROT = 1;
PrintDebug("Exiting on interrupts\n");
static int update_irq_exit_state(struct guest_info * info) {
vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
+ // Fix for QEMU bug using EVENTINJ as an internal cache
+ guest_ctrl->EVENTINJ.valid = 0;
+
if ((info->intr_core_state.irq_pending == 1) && (guest_ctrl->guest_ctrl.V_IRQ == 0)) {
#ifdef CONFIG_DEBUG_INTERRUPTS
// Interrupt was taken fully vectored
info->intr_core_state.irq_started = 0;
- } else {
+ } else if ((info->intr_core_state.irq_started == 1) && (guest_ctrl->exit_int_info.valid == 1)) {
#ifdef CONFIG_DEBUG_INTERRUPTS
PrintDebug("EXIT INT INFO is set (vec=%d)\n", guest_ctrl->exit_int_info.vector);
#endif
static int update_irq_entry_state(struct guest_info * info) {
vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
+
+ if (info->intr_core_state.irq_pending == 0) {
+ guest_ctrl->guest_ctrl.V_IRQ = 0;
+ guest_ctrl->guest_ctrl.V_INTR_VECTOR = 0;
+ }
+
if (v3_excp_pending(info)) {
uint_t excp = v3_get_excp_number(info);
guest_state->rip = info->rip;
guest_state->rsp = info->vm_regs.rsp;
-#ifdef CONFIG_SYMBIOTIC
- if (info->vm_info->sym_state.symcalls[info->cpu_id].sym_call_active == 0) {
+#ifdef CONFIG_SYMCALL
+ if (info->sym_core_state.symcall_state.sym_call_active == 0) {
update_irq_entry_state(info);
}
#else
(void *)(addr_t)info->rip);
*/
-#ifdef CONFIG_SYMBIOTIC
- if (info->vm_info->sym_state.symcalls[info->cpu_id].sym_call_active == 1) {
+#ifdef 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
+ rdtscll(tmp_tsc);
+ v3_update_time(info, (tmp_tsc - info->time_state.cached_host_tsc));
rdtscll(info->time_state.cached_host_tsc);
- guest_ctrl->TSC_OFFSET = info->time_state.guest_tsc - info->time_state.cached_host_tsc;
+ // guest_ctrl->TSC_OFFSET = info->time_state.guest_tsc - info->time_state.cached_host_tsc;
//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_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);
- rdtscll(tmp_tsc);
+ //rdtscll(tmp_tsc);
+ // v3_update_time(info, tmp_tsc - info->time_state.cached_host_tsc);
//PrintDebug("SVM Returned\n");
info->num_exits++;
- v3_update_time(info, tmp_tsc - info->time_state.cached_host_tsc);
+
// Save Guest state from VMCB
exit_info2 = guest_ctrl->exit_info2;
-#ifdef CONFIG_SYMBIOTIC
- if (info->vm_info->sym_state.symcalls[info->cpu_id].sym_call_active == 0) {
+#ifdef CONFIG_SYMCALL
+ if (info->sym_core_state.symcall_state.sym_call_active == 0) {
update_irq_exit_state(info);
}
#else
v3_yield_cond(info);
+
if (v3_handle_svm_exit(info, exit_code, exit_info1, exit_info2) != 0) {
PrintError("Error in SVM exit handler\n");
return -1;
// vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
+ PrintDebug("Starting SVM core %u\n",info->cpu_id);
+ if (info->cpu_mode==INIT) {
+ PrintDebug("SVM core %u: I am an AP in INIT mode, waiting for that to change\n",info->cpu_id);
+ while (info->cpu_mode==INIT) {
+ v3_yield(info);
+ //PrintDebug("SVM core %u: still waiting for INIT\n",info->cpu_id);
+ }
+ PrintDebug("SVM core %u: I am out of INIT\n",info->cpu_id);
+ if (info->cpu_mode==SIPI) {
+ PrintDebug("SVM core %u: I am waiting on a SIPI to set my starting address\n",info->cpu_id);
+ while (info->cpu_mode==SIPI) {
+ v3_yield(info);
+ //PrintDebug("SVM core %u: still waiting for SIPI\n",info->cpu_id);
+ }
+ }
+ PrintDebug("SVM core %u: I have my SIPI\n", info->cpu_id);
+ }
+
+ if (info->cpu_mode!=REAL) {
+ PrintError("SVM core %u: I am not in REAL mode at launch! Huh?!\n", info->cpu_id);
+ return -1;
+ }
+
+ PrintDebug("SVM core %u: I am starting at CS=0x%x (base=0x%p, limit=0x%x), RIP=0x%p\n",
+ info->cpu_id, info->segments.cs.selector, (void*)(info->segments.cs.base),
+ info->segments.cs.limit,(void*)(info->rip));
+
- PrintDebug("Launching SVM VM (vmcb=%p)\n", (void *)info->vmm_data);
+
+ PrintDebug("SVM core %u: Launching SVM VM (vmcb=%p)\n", info->cpu_id, (void *)info->vmm_data);
//PrintDebugVMCB((vmcb_t*)(info->vmm_data));
info->vm_info->run_state = VM_RUNNING;
info->vm_info->run_state = VM_ERROR;
- V3_Print("SVM ERROR!!\n");
+ V3_Print("SVM core %u: SVM ERROR!!\n", info->cpu_id);
v3_print_guest_state(info);
- V3_Print("SVM Exit Code: %p\n", (void *)(addr_t)guest_ctrl->exit_code);
+ V3_Print("SVM core %u: SVM Exit Code: %p\n", info->cpu_id, (void *)(addr_t)guest_ctrl->exit_code);
- V3_Print("exit_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
- V3_Print("exit_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
+ V3_Print("SVM core %u: exit_info1 low = 0x%.8x\n", info->cpu_id, *(uint_t*)&(guest_ctrl->exit_info1));
+ V3_Print("SVM core %u: exit_info1 high = 0x%.8x\n", info->cpu_id, *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
- V3_Print("exit_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2));
- V3_Print("exit_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4));
+ V3_Print("SVM core %u: exit_info2 low = 0x%.8x\n", info->cpu_id, *(uint_t*)&(guest_ctrl->exit_info2));
+ V3_Print("SVM core %u: exit_info2 high = 0x%.8x\n", info->cpu_id, *(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);
+ v3_gpa_to_hva(info, linear_addr, &host_addr);
} else if (info->mem_mode == VIRTUAL_MEM) {
- guest_va_to_host_va(info, linear_addr, &host_addr);
+ v3_gva_to_hva(info, linear_addr, &host_addr);
}
- V3_Print("Host Address of rip = 0x%p\n", (void *)host_addr);
+ V3_Print("SVM core %u: Host Address of rip = 0x%p\n", info->cpu_id, (void *)host_addr);
- V3_Print("Instr (15 bytes) at %p:\n", (void *)host_addr);
+ V3_Print("SVM core %u: Instr (15 bytes) at %p:\n", info->cpu_id, (void *)host_addr);
v3_dump_mem((uint8_t *)host_addr, 15);
v3_print_stack(info);
*/
}
+
+ // Need to take down the other cores on error...
+
return 0;
}