X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvm_guest.c;fp=palacios%2Fsrc%2Fpalacios%2Fvm_guest.c;h=e47c1fb11ddb9787f80d65e460acd7d832492718;hp=0000000000000000000000000000000000000000;hb=ddc16b0737cf58f7aa90a69c6652cdf4090aec51;hpb=626595465a2c6987606a6bc697df65130ad8c2d3

diff --git a/palacios/src/palacios/vm_guest.c b/palacios/src/palacios/vm_guest.c
new file mode 100644
index 0000000..e47c1fb
--- /dev/null
+++ b/palacios/src/palacios/vm_guest.c
@@ -0,0 +1,134 @@
+/* 
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> 
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+
+
+
+#include <palacios/vm_guest.h>
+#include <palacios/vmm_ctrl_regs.h>
+#include <palacios/vmm.h>
+#include <palacios/vmcb.h>
+
+
+v3_vm_cpu_mode_t v3_get_cpu_mode(struct guest_info * info) {
+  struct cr0_32 * cr0;
+  struct cr4_32 * cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4);
+  struct efer_64 * efer = (struct efer_64 *)&(info->ctrl_regs.efer);
+  struct v3_segment * cs = &(info->segments.cs);
+
+  if (info->shdw_pg_mode == SHADOW_PAGING) {
+    cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
+  } else if (info->shdw_pg_mode == NESTED_PAGING) {
+    cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
+  } else {
+    PrintError("Invalid Paging Mode...\n");
+    V3_ASSERT(0);
+    return -1;
+  }
+
+  if (cr0->pe == 0) {
+    return REAL;
+  } else if ((cr4->pae == 0) && (efer->lma == 0)) {
+    return PROTECTED;
+  } else if (efer->lma == 0) {
+    return PROTECTED_PAE;
+  } else if ((efer->lma == 1) && (cs->long_mode == 1)) {
+    return LONG;
+  } else {
+    return LONG_32_COMPAT;
+  }
+}
+
+v3_vm_mem_mode_t v3_get_mem_mode(struct guest_info * info) {
+  struct cr0_32 * cr0;
+
+  if (info->shdw_pg_mode == SHADOW_PAGING) {
+    cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
+  } else if (info->shdw_pg_mode == NESTED_PAGING) {
+    cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
+  } else {
+    PrintError("Invalid Paging Mode...\n");
+    V3_ASSERT(0);
+    return -1;
+  }
+
+
+
+  if (cr0->pg == 0) {
+    return PHYSICAL_MEM;
+  } else {
+    return VIRTUAL_MEM;
+  }
+}
+
+
+void v3_print_segments(struct guest_info * info) {
+  struct v3_segments * segs = &(info->segments);
+  int i = 0;
+  struct v3_segment * seg_ptr;
+
+  seg_ptr=(struct v3_segment *)segs;
+  
+  char *seg_names[] = {"CS", "DS" , "ES", "FS", "GS", "SS" , "LDTR", "GDTR", "IDTR", "TR", NULL};
+  PrintDebug("Segments\n");
+
+  for (i = 0; seg_names[i] != NULL; i++) {
+
+    PrintDebug("\t%s: Sel=%x, base=%p, limit=%x\n", seg_names[i], seg_ptr[i].selector, 
+	       (void *)(addr_t)seg_ptr[i].base, seg_ptr[i].limit);
+
+  }
+
+}
+
+
+void v3_print_ctrl_regs(struct guest_info * info) {
+  struct v3_ctrl_regs * regs = &(info->ctrl_regs);
+  int i = 0;
+  v3_reg_t * reg_ptr;
+  char * reg_names[] = {"CR0", "CR2", "CR3", "CR4", "CR8", "FLAGS", NULL};
+  vmcb_saved_state_t * guest_state = GET_VMCB_SAVE_STATE_AREA(info->vmm_data);
+
+  reg_ptr= (v3_reg_t *)regs;
+
+  PrintDebug("32 bit Ctrl Regs:\n");
+
+  for (i = 0; reg_names[i] != NULL; i++) {
+    PrintDebug("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]);  
+  }
+
+  PrintDebug("\tEFER=0x%p\n", (void*)(addr_t)(guest_state->efer));
+
+}
+
+
+void v3_print_GPRs(struct guest_info * info) {
+  struct v3_gprs * regs = &(info->vm_regs);
+  int i = 0;
+  v3_reg_t * reg_ptr;
+  char * reg_names[] = { "RDI", "RSI", "RBP", "RSP", "RBX", "RDX", "RCX", "RAX", NULL};
+
+  reg_ptr= (v3_reg_t *)regs;
+
+  PrintDebug("32 bit GPRs:\n");
+
+  for (i = 0; reg_names[i] != NULL; i++) {
+    PrintDebug("\t%s=0x%p\n", reg_names[i], (void *)(addr_t)reg_ptr[i]);  
+  }
+}