diff options
Diffstat (limited to 'sysdeps/standalone/i386/force_cpu386/console.c')
| -rw-r--r-- | sysdeps/standalone/i386/force_cpu386/console.c | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/sysdeps/standalone/i386/force_cpu386/console.c b/sysdeps/standalone/i386/force_cpu386/console.c index 5d56f768ea..d0fd35fd06 100644 --- a/sysdeps/standalone/i386/force_cpu386/console.c +++ b/sysdeps/standalone/i386/force_cpu386/console.c @@ -1,25 +1,23 @@ -/* Copyright (C) 1994 Free Software Foundation, Inc. +/* Copyright (C) 1994, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. 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> + + 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + #include <standalone.h> #include "i386.h" @@ -30,7 +28,7 @@ Cambridge, MA 02139, USA. */ * The following determines whether Port B or the Console should * be used for console I/O. Setting ONE (and only ONE) of these to 1 * enables I/O on that port. - * + * * PORT A - DUSCC MC68562 Channel A (*** not supported here ***) * PORT B - DUSCC MC68562 Channel B * PORT C - MFP MC68901 Channel (*** FORCEbug console ***) @@ -47,7 +45,7 @@ Cambridge, MA 02139, USA. */ #define Is_tx_ready( _status ) ( (_status) & 0x20 ) #define Is_rx_ready( _status ) ( (_status) & 0x10 ) #endif - + #if ( PORTC == 1 ) #define TX_STATUS 0x12c /* MFP Transmit Status Register */ #define RX_STATUS 0x12a /* MFP Receive Status Register */ @@ -56,20 +54,20 @@ Cambridge, MA 02139, USA. */ #define Is_tx_ready( _status ) ( (_status) & 0x80 ) #define Is_rx_ready( _status ) ( (_status) & 0x80 ) #endif - + /* _Console_Initialize On the Force board the console require some initialization. */ void -DEFUN_VOID(_Console_Initialize) +_Console_Initialize () { register unsigned8 ignored; /* FORCE technical support mentioned that it may be necessary to read the DUSCC RX_BUFFER port four times to remove all junk. This code is a little more paranoid. */ - + inport_byte( RX_BUFFER, ignored ); inport_byte( RX_BUFFER, ignored ); inport_byte( RX_BUFFER, ignored ); @@ -79,7 +77,7 @@ DEFUN_VOID(_Console_Initialize) /* Miscellaneous support for console IO */ -static inline int _Force386_is_rx_ready() +static inline int _Force386_is_rx_ready () { register unsigned8 status; @@ -88,8 +86,8 @@ static inline int _Force386_is_rx_ready() if ( Is_rx_ready( status ) ) return 1; else return 0; } - -static inline int _Force386_is_tx_ready() + +static inline int _Force386_is_tx_ready () { register unsigned8 status; @@ -100,14 +98,14 @@ static inline int _Force386_is_tx_ready() } -static inline int _Force386_read_data() +static inline int _Force386_read_data () { register unsigned8 ch; #if ( PORTB == 1 ) /* Force example code resets the Channel B Receiver here. * It appears to cause XON's to be lost. - */ + */ /* outport_byte( RX_STATUS, 0x10 ); */ #endif @@ -125,7 +123,8 @@ This routine transmits a character. It supports XON/XOFF flow control. */ #define XOFF 0x13 /* control-S */ int -DEFUN( _Console_Putc, (ch), char ch ) +_Console_Putc (ch) + char ch; { register unsigned8 inch; @@ -139,7 +138,7 @@ DEFUN( _Console_Putc, (ch), char ch ) inch = _Force386_read_data(); } while ( inch != XON ); } - + outport_byte( TX_BUFFER, ch ); return( 0 ); } @@ -149,7 +148,8 @@ DEFUN( _Console_Putc, (ch), char ch ) This routine reads a character from the UART and returns it. */ int -DEFUN( _Console_Getc, (poll), int poll ) +_Console_Getc (poll) + int poll; { if ( poll ) { if ( !_Force386_is_rx_ready() ) |