2024-04-11 00:36:14 +08:00
1 changed files with 2 additions and 0 deletions
--- a/include/kernel/arch/x86_64/syscall.h
+++ b/include/kernel/arch/x86_64/syscall.h
@ -24,6 +24,8 @@ extern void *system_calls_table[256];
 * r14 - 参数7
 * r15 - 参数8
 *
+ * 返回值 - rax
+ * 
 * 系统调用时，使用内核主堆栈。
 */