added invlpg support

[palacios.git] / palacios / src / palacios / svm.c

diff --git a/palacios/src/palacios/svm.c b/palacios/src/palacios/svm.c
index 2003ba7..7889c11 100644 (file)
--- a/palacios/src/palacios/svm.c
+++ b/palacios/src/palacios/svm.c
@@ -9,10 +9,7 @@
 #include <palacios/vmm_debug.h>
 #include <palacios/vm_guest_mem.h>
 
-
-/* TEMPORARY BECAUSE SVM IS WEIRD */
-//#include <palacios/tss.h>
-/* ** */
+#include <palacios/vmm_emulate.h>
 
 
 extern struct vmm_os_hooks * os_hooks;
@@ -22,12 +19,13 @@ extern uint_t cpuid_edx(uint_t op);
 extern void Get_MSR(uint_t MSR, uint_t * high_byte, uint_t * low_byte); 
 extern void Set_MSR(uint_t MSR, uint_t high_byte, uint_t low_byte);
 extern uint_t launch_svm(vmcb_t * vmcb_addr);
-extern void safe_svm_launch(vmcb_t * vmcb_addr, struct guest_gprs * gprs);
+extern void safe_svm_launch(vmcb_t * vmcb_addr, struct v3_gprs * gprs);
+
+extern void STGI();
+extern void CLGI();
 
 extern uint_t Get_CR3();
 
-extern void GetGDTR(void * gdt);
-extern void GetIDTR(void * idt);
 
 extern void DisableInts();
 
@@ -142,14 +140,42 @@ int start_svm_guest(struct guest_info *info) {
 
   while (1) {
 
+    CLGI();
+
     //PrintDebug("SVM Launch Args (vmcb=%x), (info=%x), (vm_regs=%x)\n", info->vmm_data,  &(info->vm_regs));
     //PrintDebug("Launching to RIP: %x\n", info->rip);
     safe_svm_launch((vmcb_t*)(info->vmm_data), &(info->vm_regs));
     //launch_svm((vmcb_t*)(info->vmm_data));
     //PrintDebug("SVM Returned\n");
 
+    
+
+    STGI();
+
+     
     if (handle_svm_exit(info) != 0) {
-      // handle exit code....
+      vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data));
+      addr_t host_addr;
+      addr_t linear_addr = 0;
+
+      PrintDebug("SVM ERROR!!\n"); 
+      
+
+      PrintDebug("RIP: %x\n", guest_state->rip);
+
+
+      linear_addr = get_addr_linear(info, guest_state->rip, &(info->segments.cs));
+
+
+      PrintDebug("RIP Linear: %x\n", linear_addr);
+
+      guest_pa_to_host_pa(info, linear_addr, &host_addr);
+
+      PrintDebug("Host Address of rip = 0x%x\n", host_addr);
+
+      PrintDebug("Instr (15 bytes) at %x:\n", host_addr);
+      PrintTraceMemDump((char*)host_addr, 15);
+
       break;
     }
   }
@@ -251,10 +277,10 @@ void Init_VMCB(vmcb_t * vmcb, struct guest_info vm_info) {
 
   if (vm_info.page_mode == SHADOW_PAGING) {
     PrintDebug("Creating initial shadow page table\n");
-    vm_info.shdw_pg_state.shadow_cr3.e_reg.low |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff);
+    vm_info.shdw_pg_state.shadow_cr3 |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff);
     PrintDebug("Created\n");
 
-    guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3.r_reg;
+    guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3;
 
     ctrl_area->cr_reads.cr3 = 1;
     ctrl_area->cr_writes.cr3 = 1;
@@ -301,6 +327,8 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) {
   // guest_state->rip = vm_info.rip;
   guest_state->rip = 0xfff0;
 
+  guest_state->cpl = 0;
+
   //ctrl_area->instrs.instrs.CR0 = 1;
   ctrl_area->cr_reads.cr0 = 1;
   ctrl_area->cr_writes.cr0 = 1;
@@ -308,6 +336,7 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) {
   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->instrs.HLT = 1;
   // guest_state->cr0 = 0x00000001;    // PE 
   ctrl_area->guest_ASID = 1;
 
@@ -377,7 +406,7 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) {
       uchar_t * bitmap = (uchar_t *)io_port_bitmap;
 
       bitmap += (port / 8);
-      PrintDebug("Setting Bit in block %x\n", bitmap);
+      PrintDebug("Setting Bit for port 0x%x\n", port);
       *bitmap |= 1 << (port % 8);
     }
 
@@ -387,16 +416,19 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) {
     ctrl_area->instrs.IOIO_PROT = 1;
   }
 
-  //ctrl_area->instrs.instrs.INTR = 1;
 
 
+  PrintDebug("Exiting on interrupts\n");
+  ctrl_area->guest_ctrl.V_INTR_MASKING = 1;
+  ctrl_area->instrs.INTR = 1;
+
 
   if (vm_info.page_mode == SHADOW_PAGING) {
     PrintDebug("Creating initial shadow page table\n");
-    vm_info.shdw_pg_state.shadow_cr3.e_reg.low |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff);
+    vm_info.shdw_pg_state.shadow_cr3 |= ((addr_t)create_passthrough_pde32_pts(&vm_info) & ~0xfff);
     PrintDebug("Created\n");
 
-    guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3.r_reg;
+    guest_state->cr3 = vm_info.shdw_pg_state.shadow_cr3;
 
     //PrintDebugPageTables((pde32_t*)(vm_info.shdw_pg_state.shadow_cr3.e_reg.low));
 
@@ -434,6 +466,7 @@ void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info vm_info) {
 }
 
 
+#if 0
 void Init_VMCB_pe(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);
@@ -597,7 +630,7 @@ void Init_VMCB_pe(vmcb_t *vmcb, struct guest_info vm_info) {
 
 
 
-
+#endif