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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [libgloss/] [mcore/] [cmb-outbyte.c] - Rev 300
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/* cmb-outbyte.c -- outbyte function for CMB1200 eval board. * * Copyright (c) 1999 Cygnus Support * * The authors hereby grant permission to use, copy, modify, distribute, * and license this software and its documentation for any purpose, provided * that existing copyright notices are retained in all copies and that this * notice is included verbatim in any distributions. No written agreement, * license, or royalty fee is required for any of the authorized uses. * Modifications to this software may be copyrighted by their authors * and need not follow the licensing terms described here, provided that * the new terms are clearly indicated on the first page of each file where * they apply. */ #include <_ansi.h> #define _TX 0x40 #define _SR 0x86 #define UART0_BASE 0x10009000 #define UART1_BASE 0x1000a000 #define UART_BASE UART0_BASE #define TXREG ((volatile unsigned short *)(UART_BASE + _TX)) #define SRREG ((volatile unsigned short *)(UART_BASE + _SR)) #define TRDY 0x2000 #define GDB_QUOTE_CHAR 15 /* ^O */ /* * outbyte -- send a byte to the UART. */ void _DEFUN (outbyte, (ch), char ch) { while (!(*SRREG & TRDY)) ; *TXREG = GDB_QUOTE_CHAR; while (!(*SRREG & TRDY)) ; *TXREG = (unsigned short)ch; }
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