Return to inchr.c CVS log | Up to [local] / sys / arch / mvmeppc / stand / libbug |
File: [local] / sys / arch / mvmeppc / stand / libbug / inchr.c (download)
Revision 1.1, Tue Mar 4 16:07:45 2008 UTC (16 years, 4 months ago) by nbrk
Initial revision |
/* $OpenBSD: inchr.c,v 1.2 2004/01/24 21:12:38 miod Exp $ */ /* * bug routines -- assumes that the necessary sections of memory * are preserved. */ #include <sys/types.h> #include "libbug.h" /* returns 0 if no characters ready to read */ int getchar() { int ret; MVMEPROM_CALL(MVMEPROM_INCHR); asm volatile ("mr %0, 3" : "=r" (ret)); return ret; }