boot/freeldr/freeldr/arch/realmode/pnp.inc

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   3 PnpBiosGetDeviceNodeCount:
   4
   5         mov ax, word ptr ds:[BSS_PnpBiosDataSegment]
   6         push ax
   7
   8         push cs
   9         mov ax, BSS_PnpNodeSize
  10         push ax
  11
  12         push cs
  13         mov ax, BSS_PnpNodeCount
  14         push ax
  15
  16         push 0
  17
  18         call dword ptr ds:[BSS_PnpBiosEntryPoint]
  19         add sp, 12
  20
  21         movzx ecx, ax
  22         mov dword ptr ds:[BSS_PnpResult], ecx
  23
  24     ret
  25
  26
  27 PnpBiosGetDeviceNode:
  28
  29         /* push bios segment */
  30         mov ax, word ptr ds:[BSS_PnpBiosDataSegment]
  31         push ax
  32
  33         /* push control flag */
  34         push 1
  35
  36         /* push pointer to node buffer (segment/offset) */
  37         mov ax, word ptr ds:[BSS_PnpBiosBufferSegment]
  38         push ax
  39         mov ax, word ptr ds:[BSS_PnpBiosBufferOffset]
  40         push ax
  41
  42         /* push pointer to node number (segment/offset) */
  43         push cs
  44         mov ax, BSS_PnpNodeNumber
  45         push ax
  46
  47         /* push function number */
  48         push 1
  49
  50         /* call entry point */
  51         call dword ptr ds:[BSS_PnpBiosEntryPoint]
  52         add sp, 14
  53
  54         movzx ecx, ax
  55         mov dword ptr ds:[BSS_PnpResult], ecx
  56
  57     ret
  58