Differential D45731 Diff 140240 stand/common/module.c

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stand/common/module.c

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static int file_load_dependencies(struct preloaded_file *base_mod);		static int file_load_dependencies(struct preloaded_file *base_mod);
static char * file_search(const char name, char *extlist);		static char * file_search(const char name, char *extlist);
static struct kernel_module * file_findmodule(struct preloaded_file fp, char modname, struct mod_depend *verinfo);		static struct kernel_module * file_findmodule(struct preloaded_file fp, char modname, struct mod_depend *verinfo);
static int file_havepath(const char *name);		static int file_havepath(const char *name);
static char mod_searchmodule(char name, struct mod_depend *verinfo);		static char mod_searchmodule(char name, struct mod_depend *verinfo);
static char * mod_searchmodule_pnpinfo(const char bus, const char pnpinfo);		static char * mod_searchmodule_pnpinfo(const char bus, const char pnpinfo);
static void file_insert_tail(struct preloaded_file *mp);		static void file_insert_tail(struct preloaded_file *mp);
static void file_remove(struct preloaded_file *fp);		static void file_remove(struct preloaded_file *fp);
		static void file_remove_tail(struct preloaded_file *fp);
struct file_metadata* metadata_next(struct file_metadata *base_mp, int type);		struct file_metadata* metadata_next(struct file_metadata *base_mp, int type);
static void moduledir_readhints(struct moduledir *mdp);		static void moduledir_readhints(struct moduledir *mdp);
static void moduledir_rebuild(void);		static void moduledir_rebuild(void);

/* load address should be tweaked by first module loaded (kernel) */		/* load address should be tweaked by first module loaded (kernel) */
static vm_offset_t loadaddr = 0;		static vm_offset_t loadaddr = 0;

#if defined(LOADER_FDT_SUPPORT)		#if defined(LOADER_FDT_SUPPORT)
▲ Show 20 Lines • Show All 796 Lines • ▼ Show 20 Lines	do {
if (err)		if (err)
break;		break;
fp->f_args = unargv(argc, argv);		fp->f_args = unargv(argc, argv);
loadaddr_saved = loadaddr;		loadaddr_saved = loadaddr;
loadaddr = fp->f_addr + fp->f_size;		loadaddr = fp->f_addr + fp->f_size;
file_insert_tail(fp); /* Add to the list of loaded files */		file_insert_tail(fp); /* Add to the list of loaded files */
if (file_load_dependencies(fp) != 0) {		if (file_load_dependencies(fp) != 0) {
err = ENOENT;		err = ENOENT;
file_remove(fp);		file_remove_tail(fp);
loadaddr = loadaddr_saved;		loadaddr = loadaddr_saved;
fp = NULL;		fp = NULL;
break;		break;
}		}
} while(0);		} while(0);
if (err == EFTYPE) {		if (err == EFTYPE) {
snprintf(command_errbuf, sizeof(command_errbuf),		snprintf(command_errbuf, sizeof(command_errbuf),
"don't know how to load module '%s'", filename);		"don't know how to load module '%s'", filename);
▲ Show 20 Lines • Show All 744 Lines • ▼ Show 20 Lines	if (preloaded_files == NULL) {
cm->f_next = fp;		cm->f_next = fp;
}		}
}		}

/*		/*
* Remove module from the chain		* Remove module from the chain
*/		*/
static void		static void
file_remove(struct preloaded_file *fp)		file_remove_impl(struct preloaded_file *fp, bool keep_tail)
{		{
struct preloaded_file *cm;		struct preloaded_file cm, next;

if (preloaded_files == NULL)		if (preloaded_files == NULL)
return;		return;

		if (keep_tail)
		next = fp->f_next;
		else
		next = NULL;

if (preloaded_files == fp) {		if (preloaded_files == fp) {
preloaded_files = fp->f_next;		preloaded_files = next;
return;		return;
}		}

for (cm = preloaded_files; cm->f_next != NULL; cm = cm->f_next) {		for (cm = preloaded_files; cm->f_next != NULL; cm = cm->f_next) {
if (cm->f_next == fp) {		if (cm->f_next == fp) {
cm->f_next = fp->f_next;		cm->f_next = next;
return;		return;
}		}
}		}
		}

		static void
		file_remove(struct preloaded_file *fp)
		{

		file_remove_impl(fp, true);
		}

		static void
		file_remove_tail(struct preloaded_file *fp)
		{

		file_remove_impl(fp, false);
}		}

static char *		static char *
moduledir_fullpath(struct moduledir mdp, const char fname)		moduledir_fullpath(struct moduledir mdp, const char fname)
{		{
char *cp;		char *cp;

cp = malloc(strlen(mdp->d_path) + strlen(fname) + 2);		cp = malloc(strlen(mdp->d_path) + strlen(fname) + 2);
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