adddma/deldma/getdma/sys_mapdma

2008-02-21 16:02:22 +00:00
parent 959ed5a191
commit 4951a741b0
9 changed files with 113 additions and 0 deletions
--- a/lib/syslib/sys_mapdma.c
+++ b/lib/syslib/sys_mapdma.c
@@ -0,0 +1,19 @@
+#include "syslib.h"
+
+/*===========================================================================*
+ *                                sys_mapdma				     *
+ *===========================================================================*/
+PUBLIC int sys_mapdma(vir_addr, bytes)
+vir_bytes vir_addr;			/* address in bytes with segment*/
+vir_bytes bytes;			/* number of bytes to be copied */
+{
+    message m;
+    int result;
+
+    m.CP_SRC_ADDR = vir_addr;
+    m.CP_NR_BYTES = bytes;
+
+    result = _taskcall(SYSTASK, SYS_MAPDMA, &m);
+    return(result);
+}
+