msim.c

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00001 /*
00002  * Copyright (c) 2006 Ondrej Palkovsky
00003  * Copyright (c) 2008 Martin Decky
00004  * All rights reserved.
00005  *
00006  * Redistribution and use in source and binary forms, with or without
00007  * modification, are permitted provided that the following conditions
00008  * are met:
00009  *
00010  * - Redistributions of source code must retain the above copyright
00011  *   notice, this list of conditions and the following disclaimer.
00012  * - Redistributions in binary form must reproduce the above copyright
00013  *   notice, this list of conditions and the following disclaimer in the
00014  *   documentation and/or other materials provided with the distribution.
00015  * - The name of the author may not be used to endorse or promote products
00016  *   derived from this software without specific prior written permission.
00017  *
00018  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00019  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00020  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00021  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00022  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00023  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00024  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00025  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00026  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00027  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00028  */
00029 
00038 #include <async.h>
00039 #include <libc.h>
00040 #include <sysinfo.h>
00041 #include <as.h>
00042 #include <ddi.h>
00043 #include <errno.h>
00044 
00045 #include "serial_console.h"
00046 #include "msim.h"
00047 
00048 #define WIDTH 80
00049 #define HEIGHT 24
00050 
00051 static char *virt_addr;
00052 
00053 static void msim_putc(const char c)
00054 {
00055         *virt_addr = c;
00056 }
00057 
00058 int msim_init(void)
00059 {
00060         sysarg_t phys_addr;
00061         if (sysinfo_get_value("fb.address.physical", &phys_addr) != EOK)
00062                 return -1;
00063         
00064         virt_addr = (char *) as_get_mappable_page(1);
00065         
00066         if (physmem_map((void *) phys_addr, virt_addr, 1,
00067             AS_AREA_READ | AS_AREA_WRITE) != 0)
00068                 return -1;
00069         
00070         serial_console_init(msim_putc, WIDTH, HEIGHT);
00071         
00072         async_set_client_connection(serial_client_connection);
00073         return 0;
00074 }
00075 

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