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.


more fixes
[palacios.git] / palacios / src / palacios / vmm_symmod.c
index 41767ff..a311ae1 100644 (file)
 #include <palacios/vmm_symbiotic.h>
 #include <palacios/vm_guest.h>
 
-static struct v3_sym_module  test_module;
+static struct hashtable * master_mod_table = NULL;
 
-int V3_init_symmod() {
 
-    return -1;
+static uint_t mod_hash_fn(addr_t key) {
+    char * name = (char *)key;
+    return v3_hash_buffer((uchar_t *)name, strlen(name));
 }
 
+static int mod_eq_fn(addr_t key1, addr_t key2) {
+    char * name1 = (char *)key1;
+    char * name2 = (char *)key2;
+    
+    return (strcmp(name1, name2) == 0);
+}
 
 
-int v3_init_symmod_vm(struct v3_vm_info * info, v3_cfg_tree_t * cfg) {
-    return 0;
-}
 
+int V3_init_symmod() {
+    extern struct v3_sym_module __start__v3_modules[];
+    extern struct v3_sym_module __stop__v3_modules[];
+    struct v3_sym_module * tmp_mod = __start__v3_modules;
+    int i = 0;
 
+    master_mod_table = v3_create_htable(0, mod_hash_fn, mod_eq_fn);
 
-int v3_set_symmod_loader(struct v3_vm_info * vm, struct v3_symmod_loader_ops * ops, void * priv_data) {
-    struct v3_symmod_state * symmod_state = &(vm->sym_vm_state.symmod_state);
-    extern uint8_t symmod_start[];
-    extern uint8_t symmod_end[];
+    while (tmp_mod != __stop__v3_modules) {
 
+       if (v3_htable_search(master_mod_table, (addr_t)(tmp_mod->name))) {
+           PrintError("Multiple instances of Module (%s)\n", tmp_mod->name);
+           return -1;
+       }
+       
+       
+       PrintDebug("Registering Symbiotic Module (%s)\n", tmp_mod->name);
 
+       if (v3_htable_insert(master_mod_table, 
+                            (addr_t)(tmp_mod->name),
+                            (addr_t)(tmp_mod)) == 0) {
+           PrintError("Could not insert module %s to master list\n", tmp_mod->name);
+           return -1;
+       }
 
 
-    struct v3_sym_module tmp_mod = {
-       .name = "test",
-       .num_bytes = symmod_end - symmod_start,
-       .data = symmod_start,
-    };
-    
+       tmp_mod = &(__start__v3_modules[++i]);
+    }
     
-    test_module = tmp_mod;
 
+    return 0;
+}
 
-    symmod_state->loader_ops = ops;
-    symmod_state->loader_data = priv_data;
 
-    
+
+int v3_init_symmod_vm(struct v3_vm_info * info, v3_cfg_tree_t * cfg) {
     return 0;
+}
+
 
+
+int v3_set_symmod_loader(struct v3_vm_info * vm, struct v3_symmod_loader_ops * ops, void * priv_data) {
+    struct v3_symmod_state * symmod_state = &(vm->sym_vm_state.symmod_state);
+   
+    symmod_state->loader_ops = ops;
+    symmod_state->loader_data = priv_data;
+    return 0;
 }
 
 
@@ -68,15 +94,29 @@ int v3_set_symmod_loader(struct v3_vm_info * vm, struct v3_symmod_loader_ops * o
 
 int v3_load_sym_module(struct v3_vm_info * vm, char * mod_name) {
     struct v3_symmod_state * symmod_state = &(vm->sym_vm_state.symmod_state);
+    struct v3_sym_module * mod = (struct v3_sym_module *)v3_htable_search(master_mod_table, (addr_t)mod_name);
+
+    if (!mod) {
+       PrintError("Could not find module %s\n", mod_name);
+       return -1;
+    }
 
     PrintDebug("Loading Module (%s)\n", mod_name);
 
-    return symmod_state->loader_ops->load_module(vm, test_module.name, test_module.num_bytes, symmod_state->loader_data);
+    return symmod_state->loader_ops->load_module(vm, mod->name, mod->end_addr - mod->start_addr, symmod_state->loader_data);
 }
 
 
 
 
 struct v3_sym_module * v3_get_sym_module(struct v3_vm_info * vm, char * name) {
-    return &test_module;
+    struct v3_sym_module * mod = (struct v3_sym_module *)v3_htable_search(master_mod_table, (addr_t)name);
+
+
+    if (!mod) {
+       PrintError("Could not find module %s\n", name);
+       return NULL;
+    }
+
+    return mod;
 }