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  1. /*
  2.  * Copyright (c) 2006 Ondrej Palkovsky
  3.  * Copyright (c) 2008 Martin Decky
  4.  * All rights reserved.
  5.  *
  6.  * Redistribution and use in source and binary forms, with or without
  7.  * modification, are permitted provided that the following conditions
  8.  * are met:
  9.  *
  10.  * - Redistributions of source code must retain the above copyright
  11.  *   notice, this list of conditions and the following disclaimer.
  12.  * - Redistributions in binary form must reproduce the above copyright
  13.  *   notice, this list of conditions and the following disclaimer in the
  14.  *   documentation and/or other materials provided with the distribution.
  15.  * - The name of the author may not be used to endorse or promote products
  16.  *   derived from this software without specific prior written permission.
  17.  *
  18.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28.  */
  29.  
  30. /** @defgroup msimfb MSIM text console
  31.  * @brief   HelenOS MSIM text console.
  32.  * @ingroup fbs
  33.  * @{
  34.  */
  35. /** @file
  36.  */
  37.  
  38. #include <async.h>
  39. #include <ipc/fb.h>
  40. #include <ipc/ipc.h>
  41. #include <libc.h>
  42. #include <errno.h>
  43. #include <string.h>
  44. #include <libc.h>
  45. #include <stdio.h>
  46. #include <ipc/fb.h>
  47. #include <sysinfo.h>
  48. #include <as.h>
  49. #include <align.h>
  50. #include <ddi.h>
  51.  
  52. #include "serial_console.h"
  53. #include "msim.h"
  54.  
  55. #define WIDTH 80
  56. #define HEIGHT 25
  57.  
  58. #define MAX_CONTROL 20
  59.  
  60. /* Allow only 1 connection */
  61. static int client_connected = 0;
  62.  
  63. static char *virt_addr;
  64.  
  65. static void msim_putc(const char c)
  66. {
  67.     *virt_addr = c;
  68. }
  69.  
  70. static void msim_client_connection(ipc_callid_t iid, ipc_call_t *icall)
  71. {
  72.     int retval;
  73.     ipc_callid_t callid;
  74.     ipc_call_t call;
  75.     char c;
  76.     int lastcol = 0;
  77.     int lastrow = 0;
  78.     int newcol;
  79.     int newrow;
  80.     int fgcolor;
  81.     int bgcolor;
  82.     int i;
  83.  
  84.     if (client_connected) {
  85.         ipc_answer_0(iid, ELIMIT);
  86.         return;
  87.     }
  88.    
  89.     client_connected = 1;
  90.     ipc_answer_0(iid, EOK);
  91.    
  92.     /* Clear the terminal, set scrolling region
  93.        to 0 - 25 lines */
  94.     serial_clrscr();
  95.     serial_goto(0, 0);
  96.     serial_puts("\033[0;25r");
  97.    
  98.     while (true) {
  99.         callid = async_get_call(&call);
  100.         switch (IPC_GET_METHOD(call)) {
  101.         case IPC_M_PHONE_HUNGUP:
  102.             client_connected = 0;
  103.             ipc_answer_0(callid, EOK);
  104.             return;
  105.         case FB_PUTCHAR:
  106.             c = IPC_GET_ARG1(call);
  107.             newrow = IPC_GET_ARG2(call);
  108.             newcol = IPC_GET_ARG3(call);
  109.             if ((lastcol != newcol) || (lastrow != newrow))
  110.                 serial_goto(newrow, newcol);
  111.             lastcol = newcol + 1;
  112.             lastrow = newrow;
  113.             msim_putc(c);
  114.             retval = 0;
  115.             break;
  116.         case FB_CURSOR_GOTO:
  117.             newrow = IPC_GET_ARG1(call);
  118.             newcol = IPC_GET_ARG2(call);
  119.             serial_goto(newrow, newcol);
  120.             lastrow = newrow;
  121.             lastcol = newcol;
  122.             retval = 0;
  123.             break;
  124.         case FB_GET_CSIZE:
  125.             ipc_answer_2(callid, EOK, HEIGHT, WIDTH);
  126.             continue;
  127.         case FB_CLEAR:
  128.             serial_clrscr();
  129.             retval = 0;
  130.             break;
  131.         case FB_SET_STYLE:
  132.             fgcolor = IPC_GET_ARG1(call);
  133.             bgcolor = IPC_GET_ARG2(call);
  134.             if (fgcolor < bgcolor)
  135.                 serial_set_style(0);
  136.             else
  137.                 serial_set_style(7);
  138.             retval = 0;
  139.             break;
  140.         case FB_SCROLL:
  141.             i = IPC_GET_ARG1(call);
  142.             if ((i > HEIGHT) || (i < -HEIGHT)) {
  143.                 retval = EINVAL;
  144.                 break;
  145.             }
  146.             serial_scroll(i);
  147.             serial_goto(lastrow, lastcol);
  148.             retval = 0;
  149.             break;
  150.         case FB_CURSOR_VISIBILITY:
  151.             if(IPC_GET_ARG1(call))
  152.                 serial_cursor_enable();
  153.             else
  154.                 serial_cursor_disable();
  155.             retval = 0;
  156.             break;
  157.         default:
  158.             retval = ENOENT;
  159.         }
  160.         ipc_answer_0(callid, retval);
  161.     }
  162. }
  163.  
  164. int msim_init(void)
  165. {
  166.     void *phys_addr = (void *) sysinfo_value("fb.address.physical");
  167.     virt_addr = (char *) as_get_mappable_page(1);
  168.    
  169.     physmem_map(phys_addr, virt_addr, 1, AS_AREA_READ | AS_AREA_WRITE);
  170.    
  171.     serial_console_init(msim_putc, WIDTH, HEIGHT);
  172.    
  173.     async_set_client_connection(msim_client_connection);
  174.     return 0;
  175. }
  176.  
  177. /**
  178.  * @}
  179.  */
  180.