Initial commit

tasks/fs0/src/vfs.c

@@ -0,0 +1,28 @@
+
+#include <stdio.h>
+#include <l4/api/ipc.h>
+#include <l4lib/kip.h>
+#include <l4lib/arch/syscalls.h>
+
+/* Simply calls a wait ipc to sync with the given partner thread */
+void wait_task(l4id_t partner)
+{
+	u32 tag = L4_IPC_TAG_WAIT;
+	l4_ipc(partner, l4_nilthread, tag);
+	printf("%d synced with us.\n", (int)partner);
+}
+
+void mount_root(void)
+{
+	l4id_t blkdev_shmid;
+
+	/*
+	 * We know the primary block device from compile-time.
+	 * It is expected to have the root filesystem.
+	 */
+	wait_task(BLKDEV_TID);
+
+	/* Set up a shared memory area with the block device */
+	l4_receive_shm(
+}
+