| #include "bootstruct.h"␊ |
| #include "modules.h"␊ |
| #include "boot_modules.h"␊ |
| #include "mboot.h"␊ |
| #include <vers.h>␊ |
| ␊ |
| #include <string.h>␊ |
| ␊ |
| #ifdef CONFIG_MODULES␊ |
| #ifndef CONFIG_MODULE_DEBUG␊ |
| #define CONFIG_MODULE_DEBUG 0␊ |
|
| symbolList_t* moduleSymbols = NULL;␊ |
| unsigned int (*lookup_symbol)(const char*) = NULL;␊ |
| ␊ |
| char *strrchr(const char *s, int c)␊ |
| {␊ |
| ␉const char *found = NULL;␊ |
| ␊ |
| ␉while (*s) {␊ |
| ␉␉if (*s == (char)c)␊ |
| ␉␉{␊ |
| ␉␉␉found = s;␊ |
| ␉␉}␊ |
| ␉␉s++;␊ |
| ␉}␊ |
| ␊ |
| ␉return (char *)found;␊ |
| }␊ |
| ␊ |
| /*␊ |
| * Initialize the module system by loading the Symbols.dylib module.␊ |
| * Once loaded, locate the _lookup_symbol function so that internal␊ |
|
| ␉␉if(module_start && module_start != (void*)0xFFFFFFFF)␊ |
| ␉␉{␊ |
| ␉␉␉// Notify the system that it was laoded␊ |
| ␉␉␉module_loaded(SYMBOLS_MODULE, SYMBOLS_AUTHOR, SYMBOLS_DESCRIPTION, SYMBOLS_VERSION, SYMBOLS_COMPAT);␊ |
| ␉␉␉module_loaded(SYMBOLS_MODULE, module_start, SYMBOLS_AUTHOR, SYMBOLS_DESCRIPTION, SYMBOLS_VERSION, SYMBOLS_COMPAT);␊ |
| ␉␉␉(*module_start)();␉// Start the module. This will point to load_all_modules due to the way the dylib was constructed.␊ |
| ␉␉␉execute_hook("ModulesLoaded", NULL, NULL, NULL, NULL);␊ |
| ␉␉␉DBG("Module %s Loaded.\n", SYMBOLS_MODULE);␊ |
| ␉␉␉retVal = 1;␊ |
| ␊ |
|
| ␉␉␉printf("Unable to start %s at 0x%x\n", SYMBOLS_MODULE, module_data); pause();␊ |
| ␉␉}␊ |
| ␉}␊ |
| ␊ |
| ␉// Look for modules located in the multiboot header.␊ |
| ␉if(gMI->mi_flags & MULTIBOOT_INFO_HAS_MODS)␊ |
| ␉{␊ |
| ␉␉if(gMI->mi_mods_count)␊ |
| ␉␉{␊ |
| ␉␉␉struct multiboot_module* mod = (struct multiboot_module*)gMI->mi_mods_addr;␊ |
| ␉␉␉while(gMI->mi_mods_count--)␊ |
| ␉␉␉{␊ |
| ␉␉␉␉if(mod->mm_string)␊ |
| ␉␉␉␉{␊ |
| ␉␉␉␉␉// Convert string to module name, check for dylib.␊ |
| ␉␉␉␉␉if(strcmp(&mod->mm_string[strlen(mod->mm_string) - sizeof("dylib")], ".dylib") == 0)␊ |
| ␉␉␉␉␉{␊ |
| ␉␉␉␉␉␉module_data = (char*)mod->mm_mod_start;␊ |
| ␊ |
| ␉␉␉␉␉␉char* last = strrchr(mod->mm_string, '/');␊ |
| ␉␉␉␉␉␉if(last)␊ |
| ␉␉␉␉␉␉{␊ |
| ␉␉␉␉␉␉␉last++;␊ |
| ␉␉␉␉␉␉}␊ |
| ␉␉␉␉␉␉else␊ |
| ␉␉␉␉␉␉{␊ |
| ␉␉␉␉␉␉␉last = mod->mm_string;␊ |
| ␉␉␉␉␉␉}␊ |
| ␊ |
| ␉␉␉␉␉␉char* name = strdup(last);␊ |
| ␉␉␉␉␉␉name[strlen(last) - sizeof("dylib")] = 0;␊ |
| ␉␉␉␉␉␉DBG("Loading multiboot module %s", name);␊ |
| ␊ |
| ␉␉␉␉␉␉module_start = parse_mach(module_data, &load_module, &add_symbol, NULL);␊ |
| ␊ |
| ␉␉␉␉␉␉if(module_start && module_start != (void*)0xFFFFFFFF)␊ |
| ␉␉␉␉␉␉{␊ |
| ␉␉␉␉␉␉␉// Notify the system that it was laoded␊ |
| ␉␉␉␉␉␉␉module_loaded(name, module_start, NULL, NULL, 0, 0 /*moduleName, NULL, moduleVersion, moduleCompat*/);␊ |
| ␉␉␉␉␉␉␉(*module_start)();␉// Start the module␊ |
| ␉␉␉␉␉␉␉DBG("Module %s Loaded.\n", name); DBGPAUSE();␊ |
| ␉␉␉␉␉␉}␊ |
| ␉␉␉␉␉}␊ |
| ␉␉␉␉}␊ |
| ␉␉␉}␊ |
| ␉␉}␊ |
| ␉}␊ |
| ␊ |
| ␉if(retVal) execute_hook("ModulesLoaded", NULL, NULL, NULL, NULL);␊ |
| ␊ |
| ␉return retVal;␊ |
| }␊ |
| ␊ |
|
| {␊ |
| start_function();␊ |
| // Notify the module system that this module really exists, specificaly, let other module link with it␊ |
| module_loaded(name, author, description, version, compat);␊ |
| module_loaded(name, start_function, author, description, version, compat);␊ |
| }␊ |
| ␊ |
| /*␊ |
|
| ␉␉if(module_start && module_start != (void*)0xFFFFFFFF)␊ |
| ␉␉{␊ |
| ␉␉␉// Notify the system that it was laoded␊ |
| ␉␉␉module_loaded(module, NULL, NULL, 0, 0 /*moduleName, NULL, moduleVersion, moduleCompat*/);␊ |
| ␉␉␉module_loaded(module, module_start, NULL, NULL, 0, 0 /*moduleName, NULL, moduleVersion, moduleCompat*/);␊ |
| ␉␉␉(*module_start)();␉// Start the module␊ |
| ␉␉␉DBG("Module %s Loaded.\n", module); DBGPAUSE();␊ |
| ␉␉}␊ |
|
| /*␊ |
| * print out the information about the loaded module␊ |
| */␊ |
| void module_loaded(const char* name, const char* author, const char* description, UInt32 version, UInt32 compat)␊ |
| void module_loaded(const char* name, void* start, const char* author, const char* description, UInt32 version, UInt32 compat)␊ |
| {␊ |
| ␉moduleList_t* new_entry = malloc(sizeof(moduleList_t));␊ |
| ␉new_entry->next = loadedModules;␊ |
|
| ␉new_entry->compat = compat;␊ |
| ␊ |
| ␉msglog("Module '%s' by '%s' Loaded.\n", name, author);␊ |
| ␉msglog("\tInitialization: 0x%X\n", start);␊ |
| ␉msglog("\tDescription: %s\n", description);␊ |
| ␉msglog("\tVersion: %d\n", version); // todo: sperate to major.minor.bugfix␊ |
| ␉msglog("\tCompat: %d\n", compat); // todo: ^^^ major.minor.bugfix␊ |
|
| ␉␉␉case LC_UNIXTHREAD:␊ |
| ␉␉␉␉break;␊ |
| ␊ |
| ␉␉␉case LC_VERSION_MIN_MACOSX:␊ |
| ␉␉␉␉break;␊ |
| ␊ |
| ␉␉␉case LC_DATA_IN_CODE:␊ |
| ␉␉␉␉break;␊ |
| ␊ |
| ␉␉␉case LC_FUNCTION_STARTS:␊ |
| ␉␉␉␉break;␊ |
| ␊ |
| ␉␉␉default:␊ |
| ␉␉␉␉DBG("Unhandled loadcommand 0x%X\n", loadCommand->cmd & 0x7FFFFFFF);␊ |
| ␉␉␉␉break;␊ |
