Initial revision

lib/syslib/sys_umap.c

@@ -0,0 +1,25 @@
+#include "syslib.h"
+
+/*===========================================================================*
+ *                                sys_umap				     *
+ *===========================================================================*/
+PUBLIC int sys_umap(proc_nr, seg, vir_addr, bytes, phys_addr)
+int proc_nr; 				/* process number to do umap for */
+int seg;				/* T, D, or S segment */
+vir_bytes vir_addr;			/* address in bytes with segment*/
+vir_bytes bytes;			/* number of bytes to be copied */
+phys_bytes *phys_addr;			/* placeholder for result */
+{
+    message m;
+    int result;
+
+    m.CP_SRC_PROC_NR = proc_nr;
+    m.CP_SRC_SPACE = seg;
+    m.CP_SRC_ADDR = vir_addr;
+    m.CP_NR_BYTES = bytes;
+
+    result = _taskcall(SYSTASK, SYS_UMAP, &m);
+    *phys_addr = m.CP_DST_ADDR;
+    return(result);
+}
+