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;/** ThreadX Component                                                     */
15;/**                                                                       */
16;/**   Thread                                                              */
17;/**                                                                       */
18;/**************************************************************************/
19;/**************************************************************************/
20#ifdef TX_INCLUDE_USER_DEFINE_FILE
21#include "tx_user.h"
22#endif
23
24;/**************************************************************************/
25;/*                                                                        */
26;/*  FUNCTION                                               RELEASE        */
27;/*                                                                        */
28;/*    _tx_thread_interrupt_control                      ARC_HS/MetaWare   */
29;/*                                                           6.2.1        */
30;/*  AUTHOR                                                                */
31;/*                                                                        */
32;/*    William E. Lamie, Microsoft Corporation                             */
33;/*                                                                        */
34;/*  DESCRIPTION                                                           */
35;/*                                                                        */
36;/*    This function is responsible for changing the interrupt lockout     */
37;/*    posture of the system.                                              */
38;/*                                                                        */
39;/*  INPUT                                                                 */
40;/*                                                                        */
41;/*    new_posture                           New interrupt lockout posture */
42;/*                                                                        */
43;/*  OUTPUT                                                                */
44;/*                                                                        */
45;/*    old_posture                           Old interrupt lockout posture */
46;/*                                                                        */
47;/*  CALLS                                                                 */
48;/*                                                                        */
49;/*    None                                                                */
50;/*                                                                        */
51;/*  CALLED BY                                                             */
52;/*                                                                        */
53;/*    Application Code                                                    */
54;/*                                                                        */
55;/*  RELEASE HISTORY                                                       */
56;/*                                                                        */
57;/*    DATE              NAME                      DESCRIPTION             */
58;/*                                                                        */
59;/*  09-30-2020     William E. Lamie         Initial Version 6.1           */
60;/*  04-02-2021     Andres Mlinar            Modified comments,            */
61;/*                                            resulting in version 6.1.6  */
62;/*  03-08-2023     Cindy Deng               Modified comment(s), added    */
63;/*                                            #include tx_user.h,         */
64;/*                                            resulting in version 6.2.1  */
65;/*                                                                        */
66;/**************************************************************************/
67;UINT   _tx_thread_interrupt_control(UINT new_posture)
68;{
69    .global _tx_thread_interrupt_control
70    .type   _tx_thread_interrupt_control, @function
71_tx_thread_interrupt_control:
72;
73;    /* Pickup current interrupt lockout posture.  */
74;
75    clri    r1                                          ; Get current interrupt state
76;
77;    /* Apply the new interrupt posture.  */
78;
79    seti    r0                                          ; Set desired interrupt state
80    j_s.d   [blink]                                     ; Return to caller with delay slot
81    mov     r0, r1                                      ; Return previous mask value. Return value is TX_INT_DISABLE or TX_INT_ENABLE.
82;
83;}
84    .end
85