root vfs: implement writing to /tty

1 files changed, 20 insertions, 4 deletions

diff --git a/src/kernel/vfs/root.c b/src/kernel/vfs/root.c
index c90557b..0f11a5b 100644
--- a/src/kernel/vfs/root.c
+++ b/src/kernel/vfs/root.c
@@ -1,6 +1,9 @@
-#include <kernel/vfs/root.h>
-#include <kernel/util.h>
+#include <kernel/mem.h>
 #include <kernel/panic.h>
+#include <kernel/proc.h>
+#include <kernel/types.h>
+#include <kernel/util.h>
+#include <kernel/vfs/root.h>
 
 int vfs_root_handler(struct vfs_op_request *req) {
 	switch (req->op.type) {
@@ -10,7 +13,20 @@ int vfs_root_handler(struct vfs_op_request *req) {
 				return 0;
 			}
 			return -1;
-		default:
-			panic();
+		case VFSOP_WRITE:
+			switch (req->op.rw.id) {
+				// every id corresponds to a special file type
+				// this is a shit way to do this but :shrug:
+				case 0: { // tty
+					struct virt_iter iter;
+					virt_iter_new(&iter, req->op.rw.buf, req->op.rw.buf_len,
+							req->caller->pages, true, false);
+					while (virt_iter_next(&iter))
+						tty_write(iter.frag, iter.frag_len);
+					return iter.prior;
+				}
+				default: panic();
+			}
+		default: panic();
 	}
 }