mirror of
https://github.com/eclipse-threadx/threadx.git
synced 2025-11-16 04:24:48 +00:00
97 lines
5.2 KiB
Plaintext
97 lines
5.2 KiB
Plaintext
;/**************************************************************************/
|
|
;/* */
|
|
;/* Copyright (c) Microsoft Corporation. All rights reserved. */
|
|
;/* */
|
|
;/* This software is licensed under the Microsoft Software License */
|
|
;/* Terms for Microsoft Azure RTOS. Full text of the license can be */
|
|
;/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
|
|
;/* and in the root directory of this software. */
|
|
;/* */
|
|
;/**************************************************************************/
|
|
;
|
|
;
|
|
;/**************************************************************************/
|
|
;/**************************************************************************/
|
|
;/** */
|
|
;/** ThreadX Component */
|
|
;/** */
|
|
;/** Thread */
|
|
;/** */
|
|
;/**************************************************************************/
|
|
;/**************************************************************************/
|
|
;
|
|
;#define TX_SOURCE_CODE
|
|
;
|
|
;
|
|
;/* Include necessary system files. */
|
|
;
|
|
;#include "tx_api.h"
|
|
;#include "tx_thread.h"
|
|
;
|
|
;
|
|
.SECTION P,CODE
|
|
;/**************************************************************************/
|
|
;/* */
|
|
;/* FUNCTION RELEASE */
|
|
;/* */
|
|
;/* _tx_thread_interrupt_control RXv2/CCRX */
|
|
;/* 6.1.3 */
|
|
;/* AUTHOR */
|
|
;/* */
|
|
;/* William E. Lamie, Microsoft Corporation */
|
|
;/* */
|
|
;/* DESCRIPTION */
|
|
;/* */
|
|
;/* This function is responsible for changing the interrupt lockout */
|
|
;/* posture of the system. */
|
|
;/* */
|
|
;/* INPUT */
|
|
;/* */
|
|
;/* new_posture New interrupt lockout posture */
|
|
;/* */
|
|
;/* OUTPUT */
|
|
;/* */
|
|
;/* old_posture Old interrupt lockout posture */
|
|
;/* */
|
|
;/* CALLS */
|
|
;/* */
|
|
;/* None */
|
|
;/* */
|
|
;/* CALLED BY */
|
|
;/* */
|
|
;/* Application Code */
|
|
;/* */
|
|
;/* RELEASE HISTORY */
|
|
;/* */
|
|
;/* DATE NAME DESCRIPTION */
|
|
;/* */
|
|
;/* 12-31-2020 William E. Lamie Initial Version 6.1.3 */
|
|
;/* */
|
|
;/**************************************************************************/
|
|
;UINT _tx_thread_interrupt_control(UINT new_posture)
|
|
;{
|
|
|
|
.GLB __tx_thread_interrupt_control
|
|
__tx_thread_interrupt_control:
|
|
;
|
|
; /* Pickup current interrupt lockout posture. */
|
|
;
|
|
|
|
MVFC PSW, R2 ; Save PSW to R2
|
|
MOV.L R2, R3 ; Make a copy of PSW in r3
|
|
|
|
;
|
|
; /* Apply the new interrupt posture. */
|
|
;
|
|
|
|
BTST #16, R1 ; test I bit of PSW of "new posture"
|
|
BMNE #16, R2 ; conditionally set I bit of intermediate posture
|
|
|
|
MVTC R2, PSW ; save intermediate posture to PSW
|
|
|
|
MOV.L R3,R1 ; Get original SR
|
|
RTS ; Return to caller
|
|
;}
|
|
.END
|
|
|