Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


*** empty log message ***
[palacios.git] / palacios / src / geekos / vmm_mem.c
index 20899b0..4b2d6d9 100644 (file)
@@ -5,35 +5,33 @@
 extern struct vmm_os_hooks * os_hooks;
 
 
-void init_shadow_map_entry(shadow_map_entry_t *entry,
-                          addr_t              guest_addr_start,
-                          addr_t              guest_addr_end,
-                          guest_region_type_t guest_region_type,
-                          host_region_type_t  host_region_type)
+void init_shadow_region(shadow_region_t * entry,
+                       addr_t               guest_addr_start,
+                       addr_t               guest_addr_end,
+                       guest_region_type_t  guest_region_type,
+                       host_region_type_t   host_region_type)
 {
-  entry->guest_type=guest_region_type;
-  entry->guest_start=guest_addr_start;
-  entry->guest_end=guest_addr_end;
-  entry->host_type=host_region_type;
-  entry->next=entry->prev=NULL;
+  entry->guest_type = guest_region_type;
+  entry->guest_start = guest_addr_start;
+  entry->guest_end = guest_addr_end;
+  entry->host_type = host_region_type;
+  entry->next=entry->prev = NULL;
 }
 
-void init_shadow_map_entry_physical(shadow_map_entry_t *entry,
-                                   addr_t              guest_addr_start,
-                                   addr_t              guest_addr_end,
-                                   guest_region_type_t guest_region_type,
-                                   addr_t              host_addr_start,
-                                   addr_t              host_addr_end,
-                                   host_region_type_t  host_region_type)
+void init_shadow_region_physical(shadow_region_t * entry,
+                                addr_t               guest_addr_start,
+                                addr_t               guest_addr_end,
+                                guest_region_type_t  guest_region_type,
+                                addr_t               host_addr_start,
+                                host_region_type_t   host_region_type)
 {
-  init_shadow_map_entry(entry,guest_addr_start,guest_addr_end,guest_region_type,host_region_type);
-  entry->host_addr.phys_addr.host_start=host_addr_start;
-  entry->host_addr.phys_addr.host_end=host_addr_end;
+  init_shadow_region(entry, guest_addr_start, guest_addr_end, guest_region_type, host_region_type);
+  entry->host_addr.phys_addr.host_start = host_addr_start;
+
 }
                    
 
-void init_shadow_map(shadow_map_t * map) 
-{
+void init_shadow_map(shadow_map_t * map) {
   map->num_regions = 0;
 
   map->head = NULL;
@@ -41,8 +39,8 @@ void init_shadow_map(shadow_map_t * map)
 
 
 void free_shadow_map(shadow_map_t * map) {
-  shadow_map_entry_t * cursor = map->head;
-  shadow_map_entry_t * tmp = NULL;
+  shadow_region_t * cursor = map->head;
+  shadow_region_t * tmp = NULL;
 
   while(cursor) {
     tmp = cursor;
@@ -51,7 +49,6 @@ void free_shadow_map(shadow_map_t * map) {
   }
 
   VMMFree(map);
-
 }
 
 
@@ -60,10 +57,10 @@ void free_shadow_map(shadow_map_t * map) {
  * we don't allow overlaps we could probably allow overlappig regions
  * of the same type... but I'll let someone else deal with that
  */
-int add_shadow_map_region(shadow_map_t * map,
-                         shadow_map_entry_t * region) 
+int add_shadow_region(shadow_map_t * map,
+                     shadow_region_t * region) 
 {
-  shadow_map_entry_t * cursor = map->head;
+  shadow_region_t * cursor = map->head;
 
   if ((!cursor) || (cursor->guest_start >= region->guest_end)) {
     region->prev = NULL;
@@ -113,37 +110,33 @@ int add_shadow_map_region(shadow_map_t * map,
 }
 
 
-int delete_shadow_map_region(shadow_map_t *map,
-                            addr_t guest_start,
-                            addr_t guest_end)
-{
+int delete_shadow_region(shadow_map_t * map,
+                        addr_t guest_start,
+                        addr_t guest_end) {
   return -1;
 }
 
 
 
-shadow_map_entry_t *get_shadow_map_region_by_index(shadow_map_t * map,
-                                                  uint_t index) 
-{
-  shadow_map_entry_t * reg = map->head;
+shadow_region_t *get_shadow_region_by_index(shadow_map_t *  map,
+                                              uint_t index) {
+  shadow_region_t * reg = map->head;
   uint_t i = 0;
 
   while (reg) { 
-    if (i==index) { 
+    if (i == index) { 
       return reg;
     }
-    reg=reg->next;
+    reg = reg->next;
     i++;
   }
   return NULL;
 }
 
 
-shadow_map_entry_t * get_shadow_map_region_by_addr(shadow_map_t *map,
-                                                  addr_t addr) 
-{
-  shadow_map_entry_t * reg = map->head;
-
+shadow_region_t * get_shadow_region_by_addr(shadow_map_t * map,
+                                              addr_t addr) {
+  shadow_region_t * reg = map->head;
 
   while (reg) {
     if ((reg->guest_start <= addr) && (reg->guest_end > addr)) {
@@ -159,11 +152,12 @@ shadow_map_entry_t * get_shadow_map_region_by_addr(shadow_map_t *map,
 
 
 
-int map_guest_physical_to_host_physical(shadow_map_entry_t *entry, 
-                                       addr_t guest_addr,
-                                       addr_t *host_addr)
-{
-  if (!(guest_addr>=entry->guest_start && guest_addr<entry->guest_end)) { 
+int guest_paddr_to_host_paddr(shadow_region_t * entry, 
+                       addr_t guest_addr,
+                       addr_t * host_addr) {
+
+  if (!((guest_addr >= entry->guest_start) && 
+       (guest_addr < entry->guest_end))) { 
     return -1;
   }
 
@@ -171,7 +165,7 @@ int map_guest_physical_to_host_physical(shadow_map_entry_t *entry,
   case HOST_REGION_PHYSICAL_MEMORY:
   case HOST_REGION_MEMORY_MAPPED_DEVICE:
   case HOST_REGION_UNALLOCATED:
-    *host_addr=(guest_addr-entry->guest_start) + entry->host_addr.phys_addr.host_start;
+    *host_addr = (guest_addr-entry->guest_start) + entry->host_addr.phys_addr.host_start;
     return 0;
     break;
   default:
@@ -181,22 +175,22 @@ int map_guest_physical_to_host_physical(shadow_map_entry_t *entry,
 }
 
 
-void print_shadow_map(shadow_map_t *map) {
-  shadow_map_entry_t * cur = map->head;
+void print_shadow_map(shadow_map_t * map) {
+  shadow_region_t * cur = map->head;
   int i = 0;
 
   PrintDebug("Memory Layout (regions: %d) \n", map->num_regions);
 
   while (cur) {
-    PrintDebug("%d:  0x%x - 0x%x (%s) -> ", i, cur->guest_start, cur->guest_end -1,
+    PrintDebug("%d:  0x%x - 0x%x (%s) -> ", i, cur->guest_start, cur->guest_end - 1,
               cur->guest_type == GUEST_REGION_PHYSICAL_MEMORY ? "GUEST_REGION_PHYSICAL_MEMORY" :
               cur->guest_type == GUEST_REGION_NOTHING ? "GUEST_REGION_NOTHING" :
               cur->guest_type == GUEST_REGION_MEMORY_MAPPED_DEVICE ? "GUEST_REGION_MEMORY_MAPPED_DEVICE" :
-              "UNKNOWN");            
-    if (cur->host_type==HOST_REGION_PHYSICAL_MEMORY || 
-       cur->host_type==HOST_REGION_UNALLOCATED ||
-       cur->host_type==HOST_REGION_MEMORY_MAPPED_DEVICE) { 
-      PrintDebug("0x%x - 0x%x ", cur->host_addr.phys_addr.host_start, cur->host_addr.phys_addr.host_end);
+              "UNKNOWN");
+    if (cur->host_type == HOST_REGION_PHYSICAL_MEMORY || 
+       cur->host_type == HOST_REGION_UNALLOCATED ||
+       cur->host_type == HOST_REGION_MEMORY_MAPPED_DEVICE) { 
+      PrintDebug("0x%x", cur->host_addr.phys_addr.host_start);
     }
     PrintDebug("(%s)\n",
               cur->host_type == HOST_REGION_PHYSICAL_MEMORY ? "HOST_REGION_PHYSICAL_MEMORY" :
@@ -297,7 +291,7 @@ int mem_list_add_test_1(  vmm_mem_list_t * list) {
 }
 
 
-int mem_layout_add_test_1(vmm_mem_layout_t *layout) {
+int mem_layout_add_test_1(vmm_mem_layout_t * layout) {
 
   
   uint_t start = 0;