blob: 9082fe4ff9365a21109e60b148066c4b66377569 (
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
|
/** @file
Null Library for AmdSysCallLib
Copyright (C) 2025 Advanced Micro Devices, Inc. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/AmdSysCallLib.h>
/**
Check if high privilege instruction need go through Syscall.
@param NONE
@return TRUE Syscall required
@return FALSE Syscall not required
**/
BOOLEAN
EFIAPI
NeedSysCall (
VOID
)
{
return FALSE;
}
/**
Use SysCall to access resource.
@param[in] CallIndex The index of the resource. The AMD_SMM_SYS_CALL resource.
@param[in] Arg1 Value specific to SysCall. This is usually the Logical CPU number.
@param[in] Arg2 Value specific to SysCall. This is usually the resource address.
@param[in] Arg3 Value specific to SysCall. This is usually resource size.
@return Value of the resource. System may hang or reset if resource value is protected.
**/
UINT64
EFIAPI
SysCall (
UINTN CallIndex,
UINTN Arg1,
UINTN Arg2,
UINTN Arg3
)
{
return 0;
}
|
