Initial revision

lib/syslib/sys_physcp.c

@@ -0,0 +1,18 @@
+#include "syslib.h"
+
+PUBLIC int sys_physcopy(src_phys, dst_phys, bytes)
+phys_bytes src_phys;		/* source physical address */
+phys_bytes dst_phys;		/* destination physical address */
+phys_bytes bytes;		/* how many bytes */
+{
+/* Transfer a block of data. This uses absolute memory addresses only. Use
+ * sys_umap to convert a virtual address into a physical address if needed.
+ */
+  message copy_mess;
+
+  if (bytes == 0L) return(OK);
+  copy_mess.CP_SRC_ADDR = (long) src_phys;
+  copy_mess.CP_DST_ADDR = (long) dst_phys;
+  copy_mess.CP_NR_BYTES = (long) bytes;
+  return(_taskcall(SYSTASK, SYS_PHYSCOPY, &copy_mess));
+}