X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fmodules.c;h=c5e7f1bc30a92a9c6aef4a188c0d92c9b8bdacfe;hb=015f48988e0ff398409d71dfc692005ab439490a;hp=98ca1a1eb43e40490214757dc73e28e4133d37c1;hpb=48743e39650eb1ef988380e9d95f27fd40d3a9ce;p=tpg%2Facess2.git diff --git a/KernelLand/Kernel/modules.c b/KernelLand/Kernel/modules.c index 98ca1a1e..c5e7f1bc 100644 --- a/KernelLand/Kernel/modules.c +++ b/KernelLand/Kernel/modules.c @@ -8,6 +8,7 @@ #define USE_EDI 0 #define USE_UDI 0 +#define MODULE_FLAG_LOADERROR 0x1 // === PROTOTYPES === int Module_int_Initialise(tModule *Module, const char *ArgString); @@ -80,6 +81,15 @@ int Module_int_Initialise(tModule *Module, const char *ArgString) "Module %p (%s) is for another architecture (%i)", Module, Module->Name, Module->Arch ); + LEAVE('i', MODULE_ERR_BADMODULE); + return MODULE_ERR_BADMODULE; + } + + LOG("Module->Flags = %x", Module->Flags); + if(Module->Flags & MODULE_FLAG_LOADERROR ) { + Log_Warning("Module", "%s has already attempted to load and encountered errors", Module->Name); + LEAVE('i', MODULE_ERR_MISC); + return MODULE_ERR_MISC; } deps = Module->Dependencies; @@ -168,7 +178,7 @@ int Module_int_Initialise(tModule *Module, const char *ArgString) Log_Warning("Module", "Unable to load, reason: Miscelanious"); break; case MODULE_ERR_NOTNEEDED: - Log_Debug("Module", "Unable to load, reason: Module not needed"); +// Log_Debug("Module", "Unable to load, reason: Module not needed"); break; case MODULE_ERR_MALLOC: Log_Warning("Module", "Unable to load, reason: Error in malloc/realloc/calloc, probably not good"); @@ -177,6 +187,7 @@ int Module_int_Initialise(tModule *Module, const char *ArgString) Log_Warning("Module", "Unable to load reason - Unknown code %i", ret); break; } + Module->Flags |= MODULE_FLAG_LOADERROR; LEAVE_RET('i', ret); return ret; } @@ -341,6 +352,7 @@ int Module_LoadFile(const char *Path, const char *ArgString) { void *base; tModule *info; + tModuleLoader *loader = NULL; // Load Binary base = Binary_LoadKernel(Path); @@ -350,38 +362,40 @@ int Module_LoadFile(const char *Path, const char *ArgString) Log_Warning("Module", "Module_LoadFile - Unable to load '%s'", Path); return 0; } + + // TODO: I need a way of relocating the dependencies before everything else, so + // they can be resolved before any other link errors + if( !Binary_Relocate(base) ) { + Log_Warning("Module", "Relocation of module %s failed", Path); + Binary_Unload(base); + return 0; + } // Check for Acess Driver if( Binary_FindSymbol(base, "DriverInfo", (Uint*)&info ) == 0 ) { - tModuleLoader *tmp; - for( tmp = gModule_Loaders; tmp; tmp = tmp->Next) - { - if( tmp->Detector(base) == 0 ) continue; - - return tmp->Loader(base); - } - - #if USE_EDI - // Check for EDI Driver - if( Binary_FindSymbol(base, "driver_init", NULL ) != 0 ) + for( loader = gModule_Loaders; loader; loader = loader->Next) { - return Module_InitEDI( base ); // And intialise + if( loader->Detector(base) ) + break; } - #endif // Unknown module type?, return error + if( !loader ) { + Binary_Unload(base); + Log_Warning("Module", "Module '%s' does not have a Module Info struct", Path); + return 0; + } + } + + if( !Module_int_ResolveDeps(info) ) { + Log_Warning("Module", "Dependencies not met for '%s'", Path); Binary_Unload(base); - #if USE_EDI - Log_Warning("Module", "Module '%s' has neither a Module Info struct, nor an EDI entrypoint", Path); - #else - Log_Warning("Module", "Module '%s' does not have a Module Info struct", Path); - #endif return 0; } - + // Initialise (and register) - if( Module_int_Initialise( info, ArgString ) ) + if( loader ? loader->Loader(base) : Module_int_Initialise( info, ArgString ) ) { Binary_Unload(base); return 0;