unified and simplified the control register handlers to operate in all CPU modes

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

diff --git a/palacios/src/palacios/vm_guest.c b/palacios/src/palacios/vm_guest.c
index 5666fef..614c6a5 100644 (file)
--- a/palacios/src/palacios/vm_guest.c
+++ b/palacios/src/palacios/vm_guest.c
@@ -56,6 +56,33 @@ v3_vm_cpu_mode_t v3_get_cpu_mode(struct guest_info * info) {
   }
 }
 
+
+static const uchar_t REAL_STR[] = "Real";
+static const uchar_t PROTECTED_STR[] = "Protected";
+static const uchar_t PROTECTED_PAE_STR[] = "Protected+PAE";
+static const uchar_t LONG_STR[] = "Long";
+static const uchar_t LONG_32_COMPAT_STR[] = "32bit Compat";
+static const uchar_t LONG_16_COMPAT_STR[] = "16bit Compat";
+
+const uchar_t * v3_cpu_mode_to_str(v3_vm_cpu_mode_t mode) {
+  switch (mode) {
+  case REAL:
+    return REAL_STR;
+  case PROTECTED:
+    return PROTECTED_STR;
+  case PROTECTED_PAE:
+    return PROTECTED_PAE_STR;
+  case LONG:
+    return LONG_STR;
+  case LONG_32_COMPAT:
+    return LONG_32_COMPAT_STR;
+  case LONG_16_COMPAT:
+    return LONG_16_COMPAT_STR;
+  default:
+    return NULL;
+  }
+}
+
 v3_vm_mem_mode_t v3_get_mem_mode(struct guest_info * info) {
   struct cr0_32 * cr0;
 
@@ -69,8 +96,6 @@ v3_vm_mem_mode_t v3_get_mem_mode(struct guest_info * info) {
     return -1;
   }
 
-
-
   if (cr0->pg == 0) {
     return PHYSICAL_MEM;
   } else {
@@ -78,6 +103,20 @@ v3_vm_mem_mode_t v3_get_mem_mode(struct guest_info * info) {
   }
 }
 
+static const uchar_t PHYS_MEM_STR[] = "Physical Memory";
+static const uchar_t VIRT_MEM_STR[] = "Virtual Memory";
+
+const uchar_t * v3_mem_mode_to_str(v3_vm_mem_mode_t mode) {
+  switch (mode) {
+  case PHYSICAL_MEM:
+    return PHYS_MEM_STR;
+  case VIRTUAL_MEM:
+    return VIRT_MEM_STR;
+  default:
+    return NULL;
+  }
+}
+
 
 void v3_print_segments(struct guest_info * info) {
   struct v3_segments * segs = &(info->segments);