linux-2.6.33/early_trap_init()(arm) の履歴(No.1)

• 履歴一覧
• 差分 を表示
• 現在との差分 を表示
• ソース を表示
• linux-2.6.33/early_trap_init()(arm) へ行く。
  • 1 (2010-11-22 (月) 14:23:48)
  • 2 (2010-11-22 (月) 14:36:28)
  • 3 (2010-11-24 (水) 10:03:27)
  • 4 (2010-11-24 (水) 14:06:52)

参照元†

• linux-2.6.33/early_trap_init()

説明†

• パス: [[linux-2.6.33/]]

• FIXME: これは何？
  • 説明

引数†

返り値†

参考†

実装†

 void __init early_trap_init(void)
 {
 	unsigned long vectors = CONFIG_VECTORS_BASE;
 	extern char __stubs_start[], __stubs_end[];
 	extern char __vectors_start[], __vectors_end[];
 	extern char __kuser_helper_start[], __kuser_helper_end[];
 	int kuser_sz = __kuser_helper_end - __kuser_helper_start;
 
 	/*
 	 * Copy the vectors, stubs and kuser helpers (in entry-armv.S)
 	 * into the vector page, mapped at 0xffff0000, and ensure these
 	 * are visible to the instruction stream.
 	 */
 	memcpy((void *)vectors, __vectors_start, __vectors_end - __vectors_start);
 	memcpy((void *)vectors + 0x200, __stubs_start, __stubs_end - __stubs_start);
 	memcpy((void *)vectors + 0x1000 - kuser_sz, __kuser_helper_start, kuser_sz);
 
 	/*
 	 * Copy signal return handlers into the vector page, and
 	 * set sigreturn to be a pointer to these.
 	 */
 	memcpy((void *)KERN_SIGRETURN_CODE, sigreturn_codes,
 	       sizeof(sigreturn_codes));
 	memcpy((void *)KERN_RESTART_CODE, syscall_restart_code,
 	       sizeof(syscall_restart_code));
 
 	flush_icache_range(vectors, vectors + PAGE_SIZE);
 	modify_domain(DOMAIN_USER, DOMAIN_CLIENT);
 }

コメント†