X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Fmodules.c;h=58521baacafa28ae1791badb4012b5ac9de8ce3b;hb=270e5fe88b0666021a7a6393334db7feeb8245f8;hp=92dd8d31317aea188370963440d7777c411c6b1b;hpb=263987655706186a27d4c158ea30a00924f47f7d;p=tpg%2Facess2.git

diff --git a/Kernel/modules.c b/Kernel/modules.c
index 92dd8d31..58521baa 100644
--- a/Kernel/modules.c
+++ b/Kernel/modules.c
@@ -17,7 +17,7 @@ void	Modules_SetBuiltinParams(char *Name, char *ArgString);
  int	Module_LoadMem(void *Buffer, Uint Length, char *ArgString);
  int	Module_LoadFile(char *Path, char *ArgString);
  int	Module_int_ResolveDeps(tModule *Info);
- int	Module_IsLoaded(char *Name);
+ int	Module_IsLoaded(const char *Name);
 
 // === EXPORTS ===
 EXPORT(Module_RegisterLoader);
@@ -32,7 +32,7 @@ extern void	gKernelModulesEnd;
 
 // === GLOBALS ===
  int	giNumBuiltinModules = 0;
-tSpinlock	glModuleSpinlock;
+tShortSpinlock	glModuleSpinlock;
 tModule	*gLoadedModules = NULL;
 tModuleLoader	*gModule_Loaders = NULL;
 tModule	*gLoadingModules = NULL;
@@ -43,6 +43,7 @@ char	**gasBuiltinModuleArgs;
 /**
  * \brief Initialises a module
  * \param Module	Pointer to the module header
+ * \param ArgString	Comma separated list of module arguments
  * \return Zero on success, eModuleErrors or -1 on error
  * \retval -1	Returned if a dependency fails, or a circular dependency
  *              exists.
@@ -179,10 +180,10 @@ int Module_int_Initialise(tModule *Module, char *ArgString)
 	LOG("ret = %i", ret);
 	
 	// Add to loaded list
-	LOCK( &glModuleSpinlock );
+	SHORTLOCK( &glModuleSpinlock );
 	Module->Next = gLoadedModules;
 	gLoadedModules = Module;
-	RELEASE( &glModuleSpinlock );
+	SHORTREL( &glModuleSpinlock );
 	
 	LEAVE_RET('i', 0);
 }
@@ -251,6 +252,33 @@ void Modules_LoadBuiltins()
 		free(gasBuiltinModuleArgs);
 }
 
+/**
+ * \brief Initialise a builtin module given it's name
+ * 
+ * E.g. Used by VTerm to load an alternate video driver at runtime
+ */
+int Modules_InitialiseBuiltin(const char *Name)
+{
+	 int	i;
+	
+	// Check if it's loaded
+	if( Module_IsLoaded(Name) )
+		return 0;
+	
+	if( !gapBuiltinModules )
+		Modules_int_GetBuiltinArray();
+	
+	for( i = 0; i < giNumBuiltinModules; i++ )
+	{
+		if( strcmp(gapBuiltinModules[i]->Name, Name) == 0 ) {
+			return Module_int_Initialise(gapBuiltinModules[i],
+				(gasBuiltinModuleArgs ? gasBuiltinModuleArgs[i] : NULL)
+				);
+		}
+	}
+	return -1;
+}
+
 /**
  * \brief Sets the parameters for a builtin module
  */
@@ -382,11 +410,11 @@ int Module_int_ResolveDeps(tModule *Info)
 }
 
 /**
- * \fn int Module_IsLoaded(char *Name)
+ * \fn int Module_IsLoaded(const char *Name)
  * \brief Checks if a module is loaded
  * \param Name	Name of module to find
  */
-int Module_IsLoaded(char *Name)
+int Module_IsLoaded(const char *Name)
 {
 	tModule	*mod = gLoadedModules;