e53b8c73303af856062d137d481c29cf924ca4fb
[qemu] / 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;