check in the original version of dde linux26.

1 files changed, 45 insertions, 0 deletions

diff --git a/libdde_linux26/lib/src/arch/l4/mm-helper.c b/libdde_linux26/lib/src/arch/l4/mm-helper.c
new file mode 100644
index 00000000..68c0213b
--- /dev/null
+++ b/libdde_linux26/lib/src/arch/l4/mm-helper.c
@@ -0,0 +1,45 @@
+/* Linux */
+#include <linux/gfp.h>
+#include <linux/string.h>
+#include <asm/page.h>
+
+/* DDEKit */
+#include <l4/dde/ddekit/memory.h>
+#include <l4/dde/ddekit/assert.h>
+#include <l4/dde/ddekit/panic.h>
+
+#include "local.h"
+
+int ioprio_best(unsigned short aprio, unsigned short bprio)
+{
+	WARN_UNIMPL;
+	return 0;
+}
+
+void *__alloc_bootmem(unsigned long size, unsigned long align,
+                      unsigned long goal)
+{
+	WARN_UNIMPL;
+	return 0;
+}
+
+/*
+ * Stolen from linux-2.6.29/fs/libfs.c
+ */
+ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos,
+                                const void *from, size_t available)
+{
+	loff_t pos = *ppos;
+	if (pos < 0)
+		return -EINVAL;
+	if (pos > available)
+		return 0;
+	if (count > available - pos)
+		count = available - pos;
+	memcpy(to, from + pos, count);
+	*ppos = pos + count;
+
+	return count;
+}
+
+int capable(int f) { return 1; }