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 /** ThreadX Component */
16 /** */
17 /** Timer */
18 /** */
19 /**************************************************************************/
20 /**************************************************************************/
21
22 #define TX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "tx_api.h"
28 #include "tx_trace.h"
29 #include "tx_timer.h"
30
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _tx_time_get PORTABLE C */
37 /* 6.1.3 */
38 /* AUTHOR */
39 /* */
40 /* William E. Lamie, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function retrieves the internal, free-running, system clock */
45 /* and returns it to the caller. */
46 /* */
47 /* INPUT */
48 /* */
49 /* None */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* _tx_timer_system_clock Returns the system clock value */
54 /* */
55 /* CALLS */
56 /* */
57 /* None */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* Application Code */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 05-19-2020 William E. Lamie Initial Version 6.0 */
68 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
69 /* resulting in version 6.1 */
70 /* 12-31-2020 Andres Mlinar Modified comment(s), */
71 /* resulting in version 6.1.3 */
72 /* */
73 /**************************************************************************/
_tx_time_get(VOID)74 ULONG _tx_time_get(VOID)
75 {
76
77 TX_INTERRUPT_SAVE_AREA
78
79 #ifdef TX_ENABLE_EVENT_TRACE
80 ULONG another_temp_time = ((ULONG) 0);
81 #endif
82 ULONG temp_time;
83
84
85 /* Disable interrupts. */
86 TX_DISABLE
87
88 /* Pickup the system clock time. */
89 temp_time = _tx_timer_system_clock;
90
91 /* If trace is enabled, insert this event into the trace buffer. */
92 TX_TRACE_IN_LINE_INSERT(TX_TRACE_TIME_GET, TX_ULONG_TO_POINTER_CONVERT(temp_time), TX_POINTER_TO_ULONG_CONVERT(&another_temp_time), 0, 0, TX_TRACE_TIME_EVENTS)
93
94 /* Log this kernel call. */
95 TX_EL_TIME_GET_INSERT
96
97 /* Restore interrupts. */
98 TX_RESTORE
99
100 /* Return the time. */
101 return(temp_time);
102 }
103
104
