1 |
|
|
/*************************************************************************** |
2 |
|
|
* Copyright (c) 2024 Microsoft Corporation |
3 |
|
|
* |
4 |
|
|
* This program and the accompanying materials are made available under the |
5 |
|
|
* terms of the MIT License which is available at |
6 |
|
|
* https://opensource.org/licenses/MIT. |
7 |
|
|
* |
8 |
|
|
* SPDX-License-Identifier: MIT |
9 |
|
|
**************************************************************************/ |
10 |
|
|
|
11 |
|
|
|
12 |
|
|
/**************************************************************************/ |
13 |
|
|
/**************************************************************************/ |
14 |
|
|
/** */ |
15 |
|
|
/** USBX Component */ |
16 |
|
|
/** */ |
17 |
|
|
/** Utility */ |
18 |
|
|
/** */ |
19 |
|
|
/**************************************************************************/ |
20 |
|
|
/**************************************************************************/ |
21 |
|
|
|
22 |
|
|
|
23 |
|
|
/* Include necessary system files. */ |
24 |
|
|
|
25 |
|
|
#define UX_SOURCE_CODE |
26 |
|
|
|
27 |
|
|
#include "ux_api.h" |
28 |
|
|
|
29 |
|
|
|
30 |
|
|
/**************************************************************************/ |
31 |
|
|
/* */ |
32 |
|
|
/* FUNCTION RELEASE */ |
33 |
|
|
/* */ |
34 |
|
|
/* _ux_utility_physical_address PORTABLE C */ |
35 |
|
|
/* 6.1 */ |
36 |
|
|
/* AUTHOR */ |
37 |
|
|
/* */ |
38 |
|
|
/* Chaoqiong Xiao, Microsoft Corporation */ |
39 |
|
|
/* */ |
40 |
|
|
/* DESCRIPTION */ |
41 |
|
|
/* */ |
42 |
|
|
/* This function returns a physical address given the supplied */ |
43 |
|
|
/* virtual address. */ |
44 |
|
|
/* */ |
45 |
|
|
/* INPUT */ |
46 |
|
|
/* */ |
47 |
|
|
/* virtual_address Physical address */ |
48 |
|
|
/* */ |
49 |
|
|
/* OUTPUT */ |
50 |
|
|
/* */ |
51 |
|
|
/* physical_address Virtual address */ |
52 |
|
|
/* */ |
53 |
|
|
/* CALLS */ |
54 |
|
|
/* */ |
55 |
|
|
/* None */ |
56 |
|
|
/* */ |
57 |
|
|
/* CALLED BY */ |
58 |
|
|
/* */ |
59 |
|
|
/* USBX Components */ |
60 |
|
|
/* */ |
61 |
|
|
/* RELEASE HISTORY */ |
62 |
|
|
/* */ |
63 |
|
|
/* DATE NAME DESCRIPTION */ |
64 |
|
|
/* */ |
65 |
|
|
/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */ |
66 |
|
|
/* 09-30-2020 Chaoqiong Xiao Modified comment(s), */ |
67 |
|
|
/* resulting in version 6.1 */ |
68 |
|
|
/* */ |
69 |
|
|
/**************************************************************************/ |
70 |
|
1 |
VOID *_ux_utility_physical_address(VOID *virtual_address) |
71 |
|
|
{ |
72 |
|
|
|
73 |
|
|
VOID *physical_address; |
74 |
|
|
|
75 |
|
|
/* Any code to translate the virtual address into a physical address |
76 |
|
|
will be below. If there is no translation, the physical address= |
77 |
|
|
the virtual address. */ |
78 |
|
|
|
79 |
|
1 |
physical_address = virtual_address; |
80 |
|
|
|
81 |
|
1 |
return(physical_address); |
82 |
|
|
} |
83 |
|
|
|