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 /** Thread - High Level SMP Support */
18 /** */
19 /**************************************************************************/
20 /**************************************************************************/
21
22 #define TX_SOURCE_CODE
23 #define TX_THREAD_SMP_SOURCE_CODE
24
25
26 /* Include necessary system files. */
27
28 #include "tx_api.h"
29 #include "tx_initialize.h"
30 #include "tx_timer.h"
31 #include "tx_thread.h"
32
33
34
35 /**************************************************************************/
36 /* */
37 /* FUNCTION RELEASE */
38 /* */
39 /* _tx_thread_smp_current_state_set PORTABLE SMP */
40 /* 6.1 */
41 /* AUTHOR */
42 /* */
43 /* William E. Lamie, Microsoft Corporation */
44 /* */
45 /* DESCRIPTION */
46 /* */
47 /* This function is sets the current state to all of the cores. */
48 /* */
49 /* INPUT */
50 /* */
51 /* new_state New per-system state */
52 /* */
53 /* OUTPUT */
54 /* */
55 /* None */
56 /* */
57 /* CALLS */
58 /* */
59 /* None */
60 /* */
61 /* CALLED BY */
62 /* */
63 /* _tx_initialize_kernel_enter ThreadX entry */
64 /* */
65 /* RELEASE HISTORY */
66 /* */
67 /* DATE NAME DESCRIPTION */
68 /* */
69 /* 09-30-2020 William E. Lamie Initial Version 6.1 */
70 /* */
71 /**************************************************************************/
_tx_thread_smp_current_state_set(ULONG new_state)72 void _tx_thread_smp_current_state_set(ULONG new_state)
73 {
74
75 UINT i;
76
77 /* Initialize the state for each to initialization. */
78 i = ((UINT) (TX_THREAD_SMP_MAX_CORES-1));
79 do
80 {
81
82 /* Set this core's state. */
83 _tx_thread_system_state[i] = new_state;
84
85 if (i == ((UINT) 0))
86 {
87
88 /* We are finished, exit the loop. */
89 break;
90 }
91 else
92 {
93
94 /* Decrement the index. */
95 i--;
96 }
97 } while (TX_LOOP_FOREVER);
98 }
99
100
