Some more minor changes.

tasks/fs0/include/bdev.h

@@ -1,8 +0,0 @@
-#ifndef __BLOCK_DEV_H__
-#define __BLOCK_DEV_H__
-
-void bdev_open(void);
-void bdev_readpage(unsigned long offset, void *buf);
-void bdev_writepage(unsigned long offset, void *buf);
-
-#endif /* __BLOCK_DEV_H__ */

tasks/fs0/include/lib/bit.h

@@ -0,0 +1,43 @@
+#ifndef __LIB_BIT_H__
+#define __LIB_BIT_H__
+
+#include <l4lib/types.h>
+
+unsigned int __clz(unsigned int bitvector);
+int find_and_set_first_free_bit(u32 *word, unsigned int lastbit);
+int find_and_set_first_free_contig_bits(u32 *word,  unsigned int limit,
+					int nbits);
+int check_and_clear_bit(u32 *word, int bit);
+int check_and_clear_contig_bits(u32 *word, int first, int nbits);
+
+
+/* Set */
+static inline void setbit(unsigned int *w, unsigned int flags)
+{
+	*w |= flags;
+}
+
+
+/* Clear */
+static inline void clrbit(unsigned int *w, unsigned int flags)
+{
+	*w &= ~flags;
+}
+
+/* Test */
+static inline int tstbit(unsigned int *w, unsigned int flags)
+{
+	return *w & flags;
+}
+
+/* Test and clear */
+static inline int tstclr(unsigned int *w, unsigned int flags)
+{
+	int res = tstbit(w, flags);
+
+	clrbit(w, flags);
+
+	return res;
+}
+
+#endif /* __LIB_BIT_H__ */

tasks/fs0/include/lib/idpool.h

@@ -0,0 +1,17 @@
+#ifndef __MM0_IDPOOL_H__
+#define __MM0_IDPOOL_H__
+
+#include <lib/bit.h>
+
+struct id_pool {
+	int nwords;
+	u32 bitmap[];
+};
+
+struct id_pool *id_pool_new_init(int mapsize);
+int id_new(struct id_pool *pool);
+int id_del(struct id_pool *pool, int id);
+int ids_new_contiguous(struct id_pool *pool, int numids);
+int ids_del_contiguous(struct id_pool *pool, int first, int numids);
+
+#endif /* __MM0_IDPOOL_H__ */

tasks/fs0/include/lib/spinlock.h

@@ -0,0 +1,17 @@
+/*
+ * Fake spinlock for future multi-threaded mm0
+ */
+#ifndef __MM0_SPINLOCK_H__
+#define __MM0_SPINLOCK_H__
+
+
+
+struct spinlock {
+	int lock;
+};
+
+static inline void spin_lock_init(struct spinlock *s) { } 
+static inline void spin_lock(struct spinlock *s) { }
+static inline void spin_unlock(struct spinlock *s) { }
+
+#endif /* __MM0_SPINLOCK_H__ */

tasks/fs0/include/lib/vaddr.h

@@ -0,0 +1,17 @@
+/*
+ * Virtual address allocation pool (for shm)
+ *
+ * Copyright (C) 2007 Bahadir Balban
+ */
+#ifndef __VADDR_H__
+#define __VADDR_H__
+
+#include <lib/idpool.h>
+
+void vaddr_pool_init(struct id_pool *pool, unsigned long start,
+		     unsigned long end);
+void *vaddr_new(struct id_pool *pool, int npages);
+int vaddr_del(struct id_pool *, void *vaddr, int npages);
+
+#endif /* __VADDR_H__ */
+

tasks/fs0/include/linker.lds

@@ -30,7 +30,14 @@ SECTIONS
 	/* rodata is needed else your strings will link at physical! */
 	.rodata : AT (ADDR(.rodata) - offset) { *(.rodata) }
 	.rodata1 : AT (ADDR(.rodata1) - offset) { *(.rodata1) }
-	.data : AT (ADDR(.data) - offset) { *(.data) }
+	.data : AT (ADDR(.data) - offset) 
+	{
+		. = ALIGN(4K);
+		_start_ramdisk = .;
+		*(.data.diskspace)
+		_end_ramdisk = .;
+		*(.data)	
+	}
 	.bss : AT (ADDR(.bss) - offset) { *(.bss) }
 	_end = .;
 }