| 0,0 → 1,73 |
|---|
| /* |
| * Copyright (C) 2005 Ondrej Palkovsky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <putchar.h> |
| #include <arch/types.h> |
| #include <arch/cp0.h> |
| #include <arch/console.h> |
| #include <arch.h> |
| #include <arch/drivers/arc.h> |
| #include <arch/arch.h> |
| |
| /** Putchar that works with MSIM & gxemul */ |
| static void cons_putchar(const char ch) |
| { |
| *((char *) VIDEORAM) = ch; |
| } |
| |
| /** Putchar that works with simics */ |
| static void serial_putchar(const char ch) |
| { |
| int i; |
| |
| if (ch=='\n') |
| putchar('\r'); |
| |
| /* Wait until transmit buffer empty */ |
| while (! ((*SERIAL_LSR) & (1<<TRANSMIT_EMPTY_BIT))) |
| ; |
| *(SERIAL_PORT_BASE) = ch; |
| } |
| |
| static void (*putchar_func)(const char ch) = cons_putchar; |
| |
| void console_init(void) |
| { |
| if (arc_enabled()) |
| putchar_func = arc_putchar; |
| /* The LSR on the start usually contains this value */ |
| else if (*SERIAL_LSR == 0x60) |
| putchar_func = serial_putchar; |
| else |
| putchar_func = cons_putchar; |
| } |
| |
| void putchar(const char ch) |
| { |
| putchar_func(ch); |
| } |