blob: 984b7733c6b97b6cd19a648908869bb886c7a92a (
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
|
/** @file
SMM Library instance of SPI Flash Common Library Class
Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/SpiFlashCommonLib.h>
#include <Library/SmmServicesTableLib.h>
#include <Protocol/Spi.h>
extern EFI_SPI_PROTOCOL *mSpiProtocol;
extern UINTN mFlashAreaBaseAddress;
extern UINTN mFlashAreaSize;
/**
The library constructuor.
The function does the necessary initialization work for this library
instance.
@param[in] ImageHandle The firmware allocated handle for the UEFI image.
@param[in] SystemTable A pointer to the EFI system table.
@retval EFI_SUCCESS The function always return EFI_SUCCESS for now.
It will ASSERT on error for debug version.
@retval EFI_ERROR Please reference LocateProtocol for error code details.
**/
EFI_STATUS
EFIAPI
SmmSpiFlashCommonLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
mFlashAreaBaseAddress = (UINTN)PcdGet32 (PcdFlashAreaBaseAddress);
mFlashAreaSize = (UINTN)PcdGet32 (PcdFlashAreaSize);
//
// Locate the SMM SPI protocol.
//
Status = gSmst->SmmLocateProtocol (
&gEfiSmmSpiProtocolGuid,
NULL,
(VOID **) &mSpiProtocol
);
ASSERT_EFI_ERROR (Status);
return Status;
}
|
