1/**************************************************************************/
2/*                                                                        */
3/*       Copyright (c) Microsoft Corporation. All rights reserved.        */
4/*                                                                        */
5/*       This software is licensed under the Microsoft Software License   */
6/*       Terms for Microsoft Azure RTOS. Full text of the license can be  */
7/*       found in the LICENSE file at https://aka.ms/AzureRTOS_EULA       */
8/*       and in the root directory of this software.                      */
9/*                                                                        */
10/**************************************************************************/
11
12
13/**************************************************************************/
14/**************************************************************************/
15/**                                                                       */
16/** ThreadX Component                                                     */
17/**                                                                       */
18/**   Thread                                                              */
19/**                                                                       */
20/**************************************************************************/
21/**************************************************************************/
22
23#ifdef TX_INCLUDE_USER_DEFINE_FILE
24#include "tx_user.h"
25#endif
26
27    AREA ||.text||, CODE, READONLY
28/**************************************************************************/
29/*                                                                        */
30/*  FUNCTION                                               RELEASE        */
31/*                                                                        */
32/*    _tx_thread_interrupt_disable                     Cortex-Mx/AC5      */
33/*                                                           6.3.0        */
34/*  AUTHOR                                                                */
35/*                                                                        */
36/*    Scott Larson, Microsoft Corporation                                 */
37/*                                                                        */
38/*  DESCRIPTION                                                           */
39/*                                                                        */
40/*    This function is responsible for disabling interrupts and returning */
41/*    the previous interrupt lockout posture.                             */
42/*                                                                        */
43/*  INPUT                                                                 */
44/*                                                                        */
45/*    None                                                                */
46/*                                                                        */
47/*  OUTPUT                                                                */
48/*                                                                        */
49/*    old_posture                           Old interrupt lockout posture */
50/*                                                                        */
51/*  CALLS                                                                 */
52/*                                                                        */
53/*    None                                                                */
54/*                                                                        */
55/*  CALLED BY                                                             */
56/*                                                                        */
57/*    Application Code                                                    */
58/*                                                                        */
59/*  RELEASE HISTORY                                                       */
60/*                                                                        */
61/*    DATE              NAME                      DESCRIPTION             */
62/*                                                                        */
63/*  06-02-2021      Scott Larson            Initial Version 6.1.7         */
64/*  10-31-2023      Tiejun Zhou             Included tx_user.h,           */
65/*                                            resulting in version 6.3.0  */
66/*                                                                        */
67/**************************************************************************/
68// UINT   _tx_thread_interrupt_disable(VOID)
69// {
70    EXPORT  _tx_thread_interrupt_disable
71_tx_thread_interrupt_disable
72    /* Return current interrupt lockout posture.  */
73#ifdef TX_PORT_USE_BASEPRI
74    MRS     r0, BASEPRI
75    LDR     r1, =TX_PORT_BASEPRI
76    MSR     BASEPRI, r1
77#else
78    MRS     r0, PRIMASK
79    CPSID   i
80#endif
81    BX      lr
82// }
83    END
84