summaryrefslogtreecommitdiffstats
path: root/EmulatorPkg/EmuThunkDxe/EmuThunk.c
blob: 97cdf1697530f46625631a0f6b461292a4f04641 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
/*++ @file

Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
Portions copyright (c) 2011, Apple Inc. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent


**/
#include <PiDxe.h>

#include <Protocol/DevicePath.h>
#include <Protocol/EmuThunk.h>

#include <Library/DebugLib.h>
#include <Library/UefiLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/EmuThunkLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DevicePathLib.h>

//
// EmuThunk Device Path Protocol Instance
//
EMU_THUNK_DEVICE_PATH  mEmuThunkDevicePath = {
  {
    {
      {
        HARDWARE_DEVICE_PATH,
        HW_VENDOR_DP,
        {
          (UINT8)(sizeof (EMU_VENDOR_DEVICE_PATH_NODE)),
          (UINT8)((sizeof (EMU_VENDOR_DEVICE_PATH_NODE)) >> 8)
        }
      },
      EMU_THUNK_PROTOCOL_GUID
    },
    0
  },
  {
    END_DEVICE_PATH_TYPE,
    END_ENTIRE_DEVICE_PATH_SUBTYPE,
    {
      END_DEVICE_PATH_LENGTH,
      0
    }
  }
};

EFI_STATUS
EFIAPI
InitializeEmuThunk (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )

/*++

Routine Description:
  Install UnixThunk Protocol and it's associated Device Path protocol

Arguments:
  (Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)

Returns:
  EFI_SUCEESS - UnixThunk protocol is added or error status from
                gBS->InstallMultiProtocolInterfaces().

**/
{
  EFI_STATUS  Status;
  EFI_HANDLE  Handle;

  Handle = NULL;
  Status = gBS->InstallMultipleProtocolInterfaces (
                  &Handle,
                  &gEmuThunkProtocolGuid,
                  gEmuThunk,
                  &gEfiDevicePathProtocolGuid,
                  &mEmuThunkDevicePath,
                  NULL
                  );

  return Status;
}