lab 2 (probably working)

2020-05-25 18:00:42 +02:00
parent df7631de81
commit 404ae75cfa
6 changed files with 201 additions and 14 deletions
--- a/kern/arch/mips/syscall/syscall.c
+++ b/kern/arch/mips/syscall/syscall.c
@@ -110,6 +110,25 @@ syscall(struct trapframe *tf)
 		break;

 	    /* Add stuff here */
+			case SYS_read:
+		err = sys_read(
+			(int)tf->tf_a0,
+			(userptr_t)tf->tf_a1,
+			(size_t)tf->tf_a2
+		);
+		break;
+
+			case SYS_write:
+		err = sys_write(
+			(int)tf->tf_a0,
+			(userptr_t)tf->tf_a1,
+			(size_t)tf->tf_a2
+		);
+		break;
+
+			case SYS__exit:
+		sys__exit((int)tf->tf_a0);
+		break;

 	    default:
 		kprintf("Unknown syscall %d\n", callno);