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#ifdef TX_INCLUDE_USER_DEFINE_FILE
23#include "tx_user.h"
24#endif
25
26    .text
27    .align 3
28/**************************************************************************/
29/*                                                                        */
30/*  FUNCTION                                               RELEASE        */
31/*                                                                        */
32/*    _tx_thread_interrupt_disable                         ARMv8-A        */
33/*                                                           6.3.0        */
34/*  AUTHOR                                                                */
35/*                                                                        */
36/*    William E. Lamie, Microsoft Corporation                             */
37/*                                                                        */
38/*  DESCRIPTION                                                           */
39/*                                                                        */
40/*    This function is responsible for disabling interrupts               */
41/*                                                                        */
42/*  INPUT                                                                 */
43/*                                                                        */
44/*    None                                                                */
45/*                                                                        */
46/*  OUTPUT                                                                */
47/*                                                                        */
48/*    old_posture                           Old interrupt lockout posture */
49/*                                                                        */
50/*  CALLS                                                                 */
51/*                                                                        */
52/*    None                                                                */
53/*                                                                        */
54/*  CALLED BY                                                             */
55/*                                                                        */
56/*    Application Code                                                    */
57/*                                                                        */
58/*  RELEASE HISTORY                                                       */
59/*                                                                        */
60/*    DATE              NAME                      DESCRIPTION             */
61/*                                                                        */
62/*  09-30-2020     William E. Lamie         Initial Version 6.1           */
63/*  01-31-2022     Andres Mlinar            Updated comments,             */
64/*                                            resulting in version 6.1.10 */
65/*  10-31-2023     Tiejun Zhou              Modified comment(s), added    */
66/*                                            #include tx_user.h,         */
67/*                                            resulting in version 6.3.0  */
68/*                                                                        */
69/**************************************************************************/
70// UINT   _tx_thread_interrupt_disable(void)
71// {
72    .global _tx_thread_interrupt_disable
73    .type   _tx_thread_interrupt_disable, @function
74_tx_thread_interrupt_disable:
75
76    /* Pickup current interrupt lockout posture.  */
77
78    MRS     x0, DAIF                            // Pickup current interrupt lockout posture
79
80    /* Mask interrupts.  */
81
82    MSR     DAIFSet, 0x3                        // Lockout interrupts
83    RET                                         // Return to caller
84// }
85