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  1. /*
  2.  * Copyright (C) 2006 Ondrej Palkovsky
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #include <ipc/ipc.h>
  30. #include <ipc/services.h>
  31. #include <sysinfo.h>
  32. #include <async.h>
  33. #include <as.h>
  34. #include <align.h>
  35. #include <errno.h>
  36.  
  37. #include "fb.h"
  38. #include "sysio.h"
  39. #include "ega.h"
  40. #include "main.h"
  41.  
  42. void receive_comm_area(ipc_callid_t callid, ipc_call_t *call, void **area,
  43.                size_t maxsize)
  44. {
  45.     void *dest;
  46.  
  47.     if (*area) {
  48.         ipc_answer_fast(callid, ELIMIT, 0, 0);
  49.         return;
  50.     }
  51.     if (IPC_GET_ARG2(*call) > ALIGN_UP(maxsize, PAGE_SIZE)) {
  52.         ipc_answer_fast(callid, EINVAL, 0, 0);
  53.         return;
  54.     }
  55.    
  56.     dest = as_get_mappable_page(maxsize);
  57.     if (ipc_answer_fast(callid, 0, (sysarg_t)dest, 0) == 0)
  58.         *area = dest;
  59. }
  60.  
  61. int main(int argc, char *argv[])
  62. {
  63.     ipcarg_t phonead;
  64.     int initialized = 0;
  65.  
  66.     if (sysinfo_value("fb.kind") == 1) {
  67.         if (fb_init() == 0)
  68.             initialized = 1;
  69.     } else if (sysinfo_value("fb.kind") == 2) {
  70.         if (ega_init() == 0)
  71.             initialized = 1;
  72.     }
  73.    
  74.     if (!initialized)
  75.         sysio_init();
  76.  
  77.     if (ipc_connect_to_me(PHONE_NS, SERVICE_VIDEO, 0, &phonead) != 0)
  78.         return -1;
  79.    
  80.     async_manager();
  81.     /* Never reached */
  82.     return 0;
  83. }
  84.