pc-bios/bios.diff

   1 Index: rombios.c
   2 ===================================================================
   3 RCS file: /cvsroot/bochs/bochs/bios/rombios.c,v
   4 retrieving revision 1.108
   5 diff -u -w -r1.108 rombios.c
   6 --- rombios.c   9 Feb 2004 16:48:50 -0000       1.108
   7 +++ rombios.c   16 May 2004 13:44:26 -0000
   8 @@ -2254,6 +2254,7 @@
   9        type      = read_byte(get_SS(),buffer+1) & 0x1f;
  10        removable = (read_byte(get_SS(),buffer+0) & 0x80) ? 1 : 0;
  11        mode      = read_byte(get_SS(),buffer+96) ? ATA_MODE_PIO32 : ATA_MODE_PIO16;
  12 +      blksize   = 2048;
  13
  14        write_byte(ebda_seg,&EbdaData->ata.devices[device].device, type);
  15        write_byte(ebda_seg,&EbdaData->ata.devices[device].removable, removable);
  16 @@ -3781,7 +3782,17 @@
  17            write_word(ebda_seg, 0x0022, mouse_driver_offset);
  18            write_word(ebda_seg, 0x0024, mouse_driver_seg);
  19            mouse_flags_2 = read_byte(ebda_seg, 0x0027);
  20 +          if (mouse_driver_offset == 0 &&
  21 +              mouse_driver_seg == 0) {
  22 +              /* remove handler */
  23 +              if ( (mouse_flags_2 & 0x80) != 0 ) {
  24 +                  mouse_flags_2 &= ~0x80;
  25 +                  inhibit_mouse_int_and_events(); // disable IRQ12 and packets
  26 +              }
  27 +          } else {
  28 +              /* install handler */
  29            mouse_flags_2 |= 0x80;
  30 +          }
  31            write_byte(ebda_seg, 0x0027, mouse_flags_2);
  32            CLEAR_CF();
  33            regs.u.r8.ah = 0;
  34 @@ -4409,7 +4420,8 @@
  35    mouse_flags_2 = read_byte(ebda_seg, 0x0027);
  36
  37    if ( (mouse_flags_2 & 0x80) != 0x80 ) {
  38 -    BX_PANIC("int74_function:\n");
  39 +      //    BX_PANIC("int74_function:\n");
  40 +      return;
  41      }
  42
  43    package_count = mouse_flags_2 & 0x07;