X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fsvm_handler.c;h=bd99a449a8b648bce651da611feef091b80e81a1;hb=851cedf7660970f7af19bffb63b1ba1d70f77e3e;hp=83f76283b35933f40395705bfa00cc1e81157724;hpb=56447cc42b250554dc3e49dd805d198a0e9a256c;p=palacios.git

diff --git a/palacios/src/palacios/svm_handler.c b/palacios/src/palacios/svm_handler.c
index 83f7628..bd99a44 100644
--- a/palacios/src/palacios/svm_handler.c
+++ b/palacios/src/palacios/svm_handler.c
@@ -1,11 +1,14 @@
 #include <palacios/svm_handler.h>
 #include <palacios/vmm.h>
 #include <palacios/vm_guest_mem.h>
-#include <palacios/vmm_emulate.h>
+#include <palacios/vmm_decoder.h>
 #include <palacios/vmm_ctrl_regs.h>
 #include <palacios/svm_io.h>
+#include <palacios/svm_halt.h>
+#include <palacios/svm_pause.h>
+#include <palacios/svm_wbinvd.h>
 #include <palacios/vmm_intr.h>
-
+#include <palacios/vmm_emulator.h>
 
 int handle_svm_exit(struct guest_info * info) {
   vmcb_ctrl_t * guest_ctrl = 0;
@@ -28,20 +31,56 @@ int handle_svm_exit(struct guest_info * info) {
   info->ctrl_regs.cr2 = guest_state->cr2;
   info->ctrl_regs.cr3 = guest_state->cr3;
   info->ctrl_regs.cr4 = guest_state->cr4;
+  info->dbg_regs.dr6 = guest_state->dr6;
+  info->dbg_regs.dr7 = guest_state->dr7;
   info->ctrl_regs.cr8 = guest_ctrl->guest_ctrl.V_TPR;
   info->ctrl_regs.rflags = guest_state->rflags;
+  info->ctrl_regs.efer = guest_state->efer;
 
   get_vmcb_segments((vmcb_t*)(info->vmm_data), &(info->segments));
+  info->cpu_mode = get_cpu_mode(info);
+  info->mem_mode = get_mem_mode(info);
 
 
   exit_code = guest_ctrl->exit_code;
  
 
   // Disable printing io exits due to bochs debug messages
-  if (!((exit_code == VMEXIT_IOIO) && ((ushort_t)(guest_ctrl->exit_info1 >> 16) == 0x402))) {
+  //if (!((exit_code == VMEXIT_IOIO) && ((ushort_t)(guest_ctrl->exit_info1 >> 16) == 0x402))) {
+
+
+  //  PrintDebug("SVM Returned: Exit Code: 0x%x \t\t(tsc=%ul)\n",exit_code, (uint_t)info->time_state.guest_tsc); 
+  
+  if ((0) && (exit_code < 0x4f)) {
+    char instr[32];
+    int ret;
+    // Dump out the instr stream
+
+    //PrintDebug("RIP: %x\n", guest_state->rip);
+    PrintDebug("RIP Linear: %x\n", get_addr_linear(info, info->rip, &(info->segments.cs)));
+
+    // OK, now we will read the instruction
+    // The only difference between PROTECTED and PROTECTED_PG is whether we read
+    // from guest_pa or guest_va
+    if (info->mem_mode == PHYSICAL_MEM) { 
+      // The real rip address is actually a combination of the rip + CS base 
+      ret = read_guest_pa_memory(info, get_addr_linear(info, info->rip, &(info->segments.cs)), 32, instr);
+    } else { 
+      ret = read_guest_va_memory(info, get_addr_linear(info, info->rip, &(info->segments.cs)), 32, instr);
+    }
+    
+    if (ret != 32) {
+      // I think we should inject a GPF into the guest
+      PrintDebug("Could not read instruction (ret=%d)\n", ret);
+    } else {
 
-    PrintDebug("SVM Returned: Exit Code: %x \t\t(tsc=%ul)\n",exit_code, (uint_t)info->time_state.guest_tsc); 
+      PrintDebug("Instr Stream:\n");
+      PrintTraceMemDump(instr, 32);
+    }
   }
+
+
+    //  }
   // PrintDebugVMCB((vmcb_t*)(info->vmm_data));
 
 
@@ -50,8 +89,10 @@ int handle_svm_exit(struct guest_info * info) {
 
   
   //PrintDebug("SVM Returned: Exit Code: %x\n",exit_code); 
-  
-  if (exit_code == VMEXIT_IOIO) {
+
+  switch (exit_code) {
+
+  case VMEXIT_IOIO: {
     struct svm_io_info * io_info = (struct svm_io_info *)&(guest_ctrl->exit_info1);
     
     if (io_info->type == 0) {
@@ -75,49 +116,79 @@ int handle_svm_exit(struct guest_info * info) {
 	}
       }
     }
-  } else if (exit_code == VMEXIT_CR0_WRITE) {
-    PrintDebug("CR0 Write\n");
+  }
+    break;
+
 
+  case  VMEXIT_CR0_WRITE: {
+#ifdef DEBUG_CTRL_REGS
+    PrintDebug("CR0 Write\n");
+#endif
     if (handle_cr0_write(info) == -1) {
       return -1;
     }
-  } else if (exit_code == VMEXIT_CR0_READ) {
-    PrintDebug("CR0 Read\n");
+  } 
+    break;
 
+  case VMEXIT_CR0_READ: {
+#ifdef DEBUG_CTRL_REGS
+    PrintDebug("CR0 Read\n");
+#endif
     if (handle_cr0_read(info) == -1) {
       return -1;
     }
-  } else if (exit_code == VMEXIT_CR3_WRITE) {
-    PrintDebug("CR3 Write\n");
+  } 
+    break;
 
+  case VMEXIT_CR3_WRITE: {
+#ifdef DEBUG_CTRL_REGS
+    PrintDebug("CR3 Write\n");
+#endif
     if (handle_cr3_write(info) == -1) {
       return -1;
     }    
-  } else if (exit_code == VMEXIT_CR3_READ) {
-    PrintDebug("CR3 Read\n");
+  } 
+    break;
 
+  case  VMEXIT_CR3_READ: {
+#ifdef DEBUG_CTRL_REGS
+    PrintDebug("CR3 Read\n");
+#endif
     if (handle_cr3_read(info) == -1) {
       return -1;
     }
+  }
+    break;
 
-  } else if (exit_code == VMEXIT_EXCP14) {
+  case VMEXIT_EXCP14: {
     addr_t fault_addr = guest_ctrl->exit_info2;
     pf_error_t * error_code = (pf_error_t *)&(guest_ctrl->exit_info1);
-    
+#ifdef DEBUG_SHADOW_PAGING
     PrintDebug("PageFault at %x (error=%d)\n", fault_addr, *error_code);
-
-    if (info->page_mode == SHADOW_PAGING) {
+#endif
+    if (info->shdw_pg_mode == SHADOW_PAGING) {
       if (handle_shadow_pagefault(info, fault_addr, *error_code) == -1) {
 	return -1;
       }
     } else {
-      PrintDebug("Page fault in un implemented paging mode\n");
+      PrintError("Page fault in un implemented paging mode\n");
       return -1;
     }
+  } 
+    break;
 
-  } else if (exit_code == VMEXIT_INVLPG) {
-    if (info->page_mode == SHADOW_PAGING) {
+  case VMEXIT_NPF: {
+    PrintError("Currently unhandled Nested Page Fault\n");
+    return -1;
+    
+  } 
+    break;
+
+  case VMEXIT_INVLPG: {
+    if (info->shdw_pg_mode == SHADOW_PAGING) {
+#ifdef DEBUG_SHADOW_PAGING
       PrintDebug("Invlpg\n");
+#endif
       if (handle_shadow_invlpg(info) == -1) {
 	return -1;
       }
@@ -127,14 +198,746 @@ int handle_svm_exit(struct guest_info * info) {
       (exit_code == VMEXIT_INVLPGA)   || 
     */
     
-  } else if (exit_code == VMEXIT_INTR) {
+  } 
+    break;
+
+  case VMEXIT_INTR: { 
+    
+    //    handle_svm_intr(info); // handled by interrupt dispatch earlier
+
+  } 
+    break;
+    
+  case VMEXIT_SMI: {
+    
+    //   handle_svm_smi(info); // ignored for now
 
-    //    handle_svm_intr(info);
+  } 
+    break;
 
-  } else if (exit_code == VMEXIT_HLT) {
+  case VMEXIT_HLT: {
     PrintDebug("Guest halted\n");
-    return -1;
-  } else {
+    if (handle_svm_halt(info) == -1) {
+      return -1;
+    }
+  } 
+    break;
+
+  case VMEXIT_PAUSE: {
+    PrintDebug("Guest paused\n");
+    if (handle_svm_pause(info) == -1) { 
+      return -1;
+    }
+  } 
+    break;
+
+  case VMEXIT_EXCP1: {
+#ifdef DEBUG_EMULATOR
+    PrintDebug("DEBUG EXCEPTION\n");
+#endif
+    if (info->run_state == VM_EMULATING) {
+      if (v3_emulation_exit_handler(info) == -1) {
+	return -1;
+      }
+    } else {
+      PrintError("VMMCALL with not emulator...\n");
+      return -1;
+    }
+  } 
+    break;
+
+  case VMEXIT_VMMCALL: {
+#ifdef DEBUG_EMULATOR
+    PrintDebug("VMMCALL\n");
+#endif
+    if (info->run_state == VM_EMULATING) {
+      if (v3_emulation_exit_handler(info) == -1) {
+	return -1;
+      }
+    } else {
+      PrintError("VMMCALL with not emulator...\n");
+      return -1;
+    }
+    
+  } 
+    break;
+
+
+  case VMEXIT_WBINVD: {
+#ifdef DEBUG_EMULATOR
+    PrintDebug("WBINVD\n");
+#endif
+    if (!handle_svm_wbinvd(info)) { 
+      return -1;
+    }
+  }
+    break;
+
+
+
+    /* Exits Following this line are NOT HANDLED */
+    /*=======================================================================*/
+
+  case VMEXIT_CR_READ_MASK:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR_READ_MASK\n"); 
+    goto unhandled_exit;
+    break;
+    
+  case VMEXIT_CR_WRITE_MASK:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR_WRITE_MASK\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR1_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR1_READ\n");
+    goto unhandled_exit;
+    break;
+     
+  case VMEXIT_CR1_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR1_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR2_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR2_READ\n");
+    goto unhandled_exit;
+    break;
+     
+  case VMEXIT_CR2_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR2_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR4_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR4_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR4_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR4_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR5_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR5_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR5_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR5_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR6_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR6_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR6_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR6_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR7_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR7_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR7_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR7_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR8_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR8_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR8_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR8_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR9_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR9_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR9_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR9_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR10_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR10_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR10_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR10_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR11_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR11_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR11_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR11_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR12_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR12_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR12_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR12_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR13_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR13_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR13_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR13_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR14_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR14_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR14_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR14_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR15_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR15_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR15_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR15_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+
+  case VMEXIT_DR_READ_MASK:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR_READ_MASK\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR_WRITE_MASK:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR_WRITE_MASK\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR0_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR0_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR0_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR0_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR1_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR1_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR1_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR1_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR2_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR2_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR2_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR2_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR3_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR3_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR3_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR3_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR4_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR4_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR4_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR4_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR5_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR5_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR5_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR5_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR6_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR6_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR6_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR6_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR7_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR7_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR7_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR7_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR8_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR8_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR8_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR8_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR9_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR9_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR9_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR9_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR10_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR10_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR10_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR10_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR11_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR11_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR11_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR11_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR12_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR12_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR12_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR12_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR13_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR13_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR13_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR13_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR14_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR14_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR14_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR14_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR15_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR15_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_DR15_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_DR15_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+    
+  case VMEXIT_EXCP_MASK:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP_MASK\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP0:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP0\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP2:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP2\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP3:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP3\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP4:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP4\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP5:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP5\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP6:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP6\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP7:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP7\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP8:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP8\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP9:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP9\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP10:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP10\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP11:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP11\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP12:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP12\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP13:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP13\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP15:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP15\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP16:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP16\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP17:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP17\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP18:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP18\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP19:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP19\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP20:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP20\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP21:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP21\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP22:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP22\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP23:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP23\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP24:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP24\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP25:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP25\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP26:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP26\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP27:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP27\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP28:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP28\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP29:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP29\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP30:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP30\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_EXCP31:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_EXCP31\n");
+    goto unhandled_exit;
+    break;
+
+    
+  case VMEXIT_NMI:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_NMI\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_INIT:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_INIT\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_VINITR:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_VINITR\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CR0_SEL_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CR0_SEL_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_IDTR_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_IDTR_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_IDTR_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_IDTR_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_GDTR_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_GDTR_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_GDTR_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_GDTR_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_LDTR_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_LDTR_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_LDTR_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_LDTR_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_TR_READ:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_TR_READ\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_TR_WRITE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_TR_WRITE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_RDTSC:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_RDTSC\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_RDPMC:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_RDPMC\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_PUSHF:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_PUSHF\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_POPF:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_POPF\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CPUID:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CPUID\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_RSM:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_RSM\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_IRET:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_IRET\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_SWINT:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_SWINT\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_INVD:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_INVD\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_INVLPGA:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_INVLPGA\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_TASK_SWITCH:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_TASK_SWITCH\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_FERR_FREEZE:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_FERR_FREEZE\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_SHUTDOWN:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_SHUTDOWN\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_VMRUN:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_VMRUN\n");
+    goto unhandled_exit;
+    break;
+
+
+  case VMEXIT_STGI:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_STGI\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_CLGI:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_CLGI\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_SKINIT:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_SKINIT\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_RDTSCP:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_RDTSCP\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_ICEBP:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_ICEBP\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_MONITOR:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_MONITOR\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_MWAIT:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_MWAIT\n");
+    goto unhandled_exit;
+    break;
+
+  case VMEXIT_MWAIT_CONDITIONAL:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_MWAIT_CONDITIONAL\n");
+    goto unhandled_exit;
+    break;
+
+    
+  case VMEXIT_INVALID_VMCB:
+    PrintDebug("Unhandled SVM Exit: VMEXIT_INVALID_VMCB\n");
+    goto unhandled_exit;
+    break;
+
+
+  unhandled_exit:
+
+  default: {
+  
     addr_t rip_addr;
     char buf[15];
     addr_t host_addr;
@@ -143,39 +946,59 @@ int handle_svm_exit(struct guest_info * info) {
     rip_addr = get_addr_linear(info, guest_state->rip, &(info->segments.cs));
 
 
-
-    PrintDebug("SVM Returned:(VMCB=%x)\n", info->vmm_data); 
-    PrintDebug("RIP: %x\n", guest_state->rip);
-    PrintDebug("RIP Linear: %x\n", rip_addr);
+    PrintError("SVM Returned:(VMCB=%x)\n", info->vmm_data); 
+    PrintError("RIP: %x\n", guest_state->rip);
+    PrintError("RIP Linear: %x\n", rip_addr);
     
-    PrintDebug("SVM Returned: Exit Code: %x\n",exit_code); 
+    PrintError("SVM Returned: Exit Code: %x\n",exit_code); 
     
-    PrintDebug("io_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
-    PrintDebug("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
+    PrintError("io_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
+    PrintError("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
     
-    PrintDebug("io_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2));
-    PrintDebug("io_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4));
+    PrintError("io_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2));
+    PrintError("io_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4));
 
     
 
-    if (guest_pa_to_host_pa(info, guest_state->rip, &host_addr) == -1) {
-      PrintDebug("Could not translate guest_state->rip to host address\n");
+    if (info->mem_mode == PHYSICAL_MEM) {
+      if (guest_pa_to_host_pa(info, guest_state->rip, &host_addr) == -1) {
+	PrintError("Could not translate guest_state->rip to host address\n");
+	return -1;
+      }
+    } else if (info->mem_mode == VIRTUAL_MEM) {
+      if (guest_va_to_host_pa(info, guest_state->rip, &host_addr) == -1) {
+	PrintError("Could not translate guest_state->rip to host address\n");
+	return -1;
+      }
+    } else {
+      PrintError("Invalid memory mode\n");
       return -1;
     }
-
-    PrintDebug("Host Address of rip = 0x%x\n", host_addr);
-
-    memset(buf, 0, 15);
     
-    PrintDebug("Reading from 0x%x in guest\n", rip_addr);
+    PrintError("Host Address of rip = 0x%x\n", host_addr);
     
-    read_guest_pa_memory(info, rip_addr, 15, buf);
-
-    PrintTraceMemDump(buf, 15);
+    memset(buf, 0, 32);
+    
+    PrintError("Reading instruction stream in guest\n", rip_addr);
+    
+    if (info->mem_mode == PHYSICAL_MEM) {
+      read_guest_pa_memory(info, rip_addr-16, 32, buf);
+    } else {
+      read_guest_va_memory(info, rip_addr-16, 32, buf);
+    }
+    
+    PrintDebug("16 bytes before Rip\n");
+    PrintTraceMemDump(buf, 16);
+    PrintDebug("Rip onward\n");
+    PrintTraceMemDump(buf+16, 16);
+    
+    return -1;
 
-    while(1);
+  }
+    break;
 
   }
+  // END OF SWITCH (EXIT_CODE)
 
 
   // Update the low level state
@@ -186,6 +1009,9 @@ int handle_svm_exit(struct guest_info * info) {
     case EXTERNAL_IRQ: 
       {
 	uint_t irq = get_intr_number(info);
+
+        // check to see if ==-1 (non exists)
+
 	/*	
 	  guest_ctrl->EVENTINJ.vector = irq;
 	  guest_ctrl->EVENTINJ.valid = 1;
@@ -196,7 +1022,9 @@ int handle_svm_exit(struct guest_info * info) {
 	guest_ctrl->guest_ctrl.V_INTR_VECTOR = irq;
 	guest_ctrl->guest_ctrl.V_IGN_TPR = 1;
 	guest_ctrl->guest_ctrl.V_INTR_PRIO = 0xf;
-
+#ifdef DEBUG_INTERRUPTS
+	PrintDebug("Injecting Interrupt %d (EIP=%x)\n", guest_ctrl->guest_ctrl.V_INTR_VECTOR, info->rip);
+#endif
 	injecting_intr(info, irq, EXTERNAL_IRQ);
 	
 	break;
@@ -210,40 +1038,51 @@ int handle_svm_exit(struct guest_info * info) {
 
 	guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXCEPTION;
 	
-	if (info->intr_state.excp_error_code) {
+	if (info->intr_state.excp_error_code_valid) {  //PAD
 	  guest_ctrl->EVENTINJ.error_code = info->intr_state.excp_error_code;
 	  guest_ctrl->EVENTINJ.ev = 1;
+#ifdef DEBUG_INTERRUPTS
+	  PrintDebug("Injecting error code %x\n", guest_ctrl->EVENTINJ.error_code);
+#endif
 	}
 	
 	guest_ctrl->EVENTINJ.vector = excp;
 	
+	guest_ctrl->EVENTINJ.valid = 1;
+#ifdef DEBUG_INTERRUPTS
+	PrintDebug("Injecting Interrupt %d (EIP=%x)\n", guest_ctrl->EVENTINJ.vector, info->rip);
+#endif
 	injecting_intr(info, excp, EXCEPTION);
 	break;
       }
-    case SOFTWARE:
+    case SOFTWARE_INTR:
       guest_ctrl->EVENTINJ.type = SVM_INJECTION_SOFT_INTR;
       break;
-    case VIRTUAL:
+    case VIRTUAL_INTR:
       guest_ctrl->EVENTINJ.type = SVM_INJECTION_VIRTUAL_INTR;
       break;
 
     case INVALID_INTR: 
     default:
-      PrintDebug("Attempted to issue an invalid interrupt\n");
+      PrintError("Attempted to issue an invalid interrupt\n");
       return -1;
     }
 
-    PrintDebug("Injecting Interrupt %d (EIP=%x)\n", guest_ctrl->EVENTINJ.vector, info->rip);
+  } else {
+#ifdef DEBUG_INTERRUPTS
+    PrintDebug("No interrupts/exceptions pending\n");
+#endif
   }
 
-
   guest_state->cr0 = info->ctrl_regs.cr0;
   guest_state->cr2 = info->ctrl_regs.cr2;
   guest_state->cr3 = info->ctrl_regs.cr3;
   guest_state->cr4 = info->ctrl_regs.cr4;
+  guest_state->dr6 = info->dbg_regs.dr6;
+  guest_state->dr7 = info->dbg_regs.dr7;
   guest_ctrl->guest_ctrl.V_TPR = info->ctrl_regs.cr8 & 0xff;
   guest_state->rflags = info->ctrl_regs.rflags;
-
+  guest_state->efer = info->ctrl_regs.efer;
 
   guest_state->cpl = info->cpl;
 
@@ -255,7 +1094,7 @@ int handle_svm_exit(struct guest_info * info) {
   set_vmcb_segments((vmcb_t*)(info->vmm_data), &(info->segments));
 
   if (exit_code == VMEXIT_INTR) {
-    PrintDebug("INTR ret IP = %x\n", guest_state->rip);
+    //PrintDebug("INTR ret IP = %x\n", guest_state->rip);
   }
 
   return 0;