Initial revision

lib/syslib/sys_ph2sg.c

@@ -0,0 +1,22 @@
+#include "syslib.h"
+
+/*===========================================================================*
+ *                               sys_phys2seg				     *    
+ *===========================================================================*/
+PUBLIC int sys_phys2seg(seg, off, phys, size)
+u16_t *seg;				/* return segment selector here */
+vir_bytes *off;				/* return offset in segment here */
+phys_bytes phys;			/* physical address to convert */
+vir_bytes size;				/* size of segment */
+{
+    message m;
+    int s;
+    m.SEG_PHYS = phys;
+    m.SEG_SIZE = size;
+    s = _taskcall(SYSTASK, SYS_PHYS2SEG, &m);
+    *seg = (u16_t) m.SEG_SELECT;
+    *off = (vir_bytes) m.SEG_OFFSET;
+    return s;
+}
+
+