Import backup from 2004-03-15

kernel/fs/vfs.c

@@ -1,33 +1,42 @@
-// vfs.c
-// Author: Josh Holtrop
-// Date: 03/11/04
-
-#include "vfs.h"
-#include "hos_defines.h"
-
-Volume *firstVolume = 0;
-
-void vfs_init()
-{
-	dword initrdLoaded = *(byte *)BOOT_HASRD;
-
-}
-
-
-Volume *vfs_newVolume()
-{
-	Volume *vol = malloc(sizeof(Volume));
-	vfs_getLastVolume()->link = vol;
-	return vol;
-}
-
-
-Volume *vfs_getLastVolume()
-{
-	Volume *vol = firstVolume;
-	while (vol)
-		vol = vol->link;
-	return vol;
-}
-
-
+// vfs.c
+// Author: Josh Holtrop
+// Date: 03/11/04
+
+#include "vfs.h"
+#include "hos_defines.h"
+
+Volume *firstVolume = 0;
+Volume *rootVolume = 0;
+
+void vfs_init()
+{
+	if(*(byte *)BOOT_HASRD)	//bootloader loaded an initial ram disk
+	{
+		Volume *initrd = vfs_newVolume();
+		RamDisk *rd = rd_newDisk(0xC0200000, 1440*1024);
+		initrd->diskDevice = rd;
+		initrd->deviceType = VFS_RD;
+		strcpy(initrd->label, "rd0");
+		initrd->link = 0;
+		rootVolume = initrd;
+	}
+}
+
+
+Volume *vfs_newVolume()
+{
+	Volume *vol = malloc(sizeof(Volume));
+	vfs_getLastVolume()->link = vol;
+	return vol;
+}
+
+
+Volume *vfs_getLastVolume()
+{
+	Volume *vol = firstVolume;
+	while (vol)
+		vol = vol->link;
+	return vol;
+}
+
+