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_virtual_address PORTABLE C */
35 /* 6.1 */
36 /* AUTHOR */
37 /* */
38 /* Chaoqiong Xiao, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function returns a virtual address given the supplied */
43 /* physical address. */
44 /* */
45 /* INPUT */
46 /* */
47 /* physical_address Virtual address */
48 /* */
49 /* OUTPUT */
50 /* */
51 /* virtual_address Physical 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 /**************************************************************************/
_ux_utility_virtual_address(VOID * physical_address)70 VOID *_ux_utility_virtual_address(VOID *physical_address)
71 {
72
73 VOID *virtual_address;
74
75 /* Any code to translate the physical address into a virtual address
76 will be below. If there is no translation, the physical address=
77 the virtual address. */
78
79 virtual_address = physical_address;
80 return(virtual_address);
81 }
82
83
