From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/mips/mipssim/sim_console.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 arch/mips/mipssim/sim_console.c (limited to 'arch/mips/mipssim/sim_console.c') diff --git a/arch/mips/mipssim/sim_console.c b/arch/mips/mipssim/sim_console.c new file mode 100644 index 00000000..a2f41672 --- /dev/null +++ b/arch/mips/mipssim/sim_console.c @@ -0,0 +1,40 @@ +/* + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * Copyright (C) 2007 MIPS Technologies, Inc. + * written by Ralf Baechle + */ +#include +#include +#include + +static inline unsigned int serial_in(int offset) +{ + return inb(0x3f8 + offset); +} + +static inline void serial_out(int offset, int value) +{ + outb(value, 0x3f8 + offset); +} + +void __init prom_putchar(char c) +{ + while ((serial_in(UART_LSR) & UART_LSR_THRE) == 0) + ; + + serial_out(UART_TX, c); +} -- cgit