diff options
Diffstat (limited to 'sysdeps/standalone/i960/nindy960/console.c')
-rw-r--r-- | sysdeps/standalone/i960/nindy960/console.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/sysdeps/standalone/i960/nindy960/console.c b/sysdeps/standalone/i960/nindy960/console.c new file mode 100644 index 0000000000..821514458a --- /dev/null +++ b/sysdeps/standalone/i960/nindy960/console.c @@ -0,0 +1,76 @@ +/* Copyright (C) 1994 Free Software Foundation, Inc. + Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil), + On-Line Applications Research Corporation. + +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <ansidecl.h> +#include <standalone.h> +#include "i960ca.h" + +/* Console IO routines for a NINDY960 board. */ + +/* + * NINDY_IO( ... ) + * + * Interface to NINDY. + */ + +#define NINDY_INPUT 0 +#define NINDY_OUTPUT 1 + +void ___NINDY_IO_WRAPPER( void ) /* never called */ +{ + asm volatile ( " .text" ); + asm volatile ( " .align 4" ); + asm volatile ( " .globl _NINDY_IO" ); + asm volatile ( "_NINDY_IO:" ); + asm volatile ( " calls 0 /* call console routines */" ); + asm volatile ( " ret" ); +} + +/***** !!!! HOW DO I EXFUN NINDY_IO? !!!! *****/ + +/* _Console_Putc + +This routine transmits a character using NINDY. */ + +int +DEFUN( _Console_Putc, (ch), char ch ) +{ + NINDY_IO( NINDY_OUTPUT, ch ); + return( 0 ); +} + +/* _Console_Getc + +This routine reads a character from NINDY and returns it. */ + +int +DEFUN( _Console_Getc, (poll), int poll ) +{ + char ch; + + if ( poll ) { + /* I don't know how to poll with NINDY */ + return -1; + } else { + NINDY_IO( NINDY_INPUT, &ch ); + return ch; + } +} |