diff options
Diffstat (limited to 'ports/rxv3/iar/src/tx_thread_interrupt_control.s')
| -rw-r--r-- | ports/rxv3/iar/src/tx_thread_interrupt_control.s | 94 |
1 files changed, 41 insertions, 53 deletions
diff --git a/ports/rxv3/iar/src/tx_thread_interrupt_control.s b/ports/rxv3/iar/src/tx_thread_interrupt_control.s index 9db56216..b642cd22 100644 --- a/ports/rxv3/iar/src/tx_thread_interrupt_control.s +++ b/ports/rxv3/iar/src/tx_thread_interrupt_control.s @@ -1,18 +1,18 @@ ;/*************************************************************************** -; * Copyright (c) 2024 Microsoft Corporation -; * +; * Copyright (c) 2024 Microsoft Corporation +; * ; * This program and the accompanying materials are made available under the ; * terms of the MIT License which is available at ; * https://opensource.org/licenses/MIT. -; * +; * ; * SPDX-License-Identifier: MIT ; **************************************************************************/ ; ; ;/**************************************************************************/ ;/**************************************************************************/ -;/** */ -;/** ThreadX Component */ +;/** */ +;/** ThreadX Component */ ;/** */ ;/** Thread */ ;/** */ @@ -28,50 +28,38 @@ ;#include "tx_thread.h" ; section .text:CODE:ROOT -;/**************************************************************************/ -;/* */ -;/* FUNCTION RELEASE */ -;/* */ +;/**************************************************************************/ +;/* */ +;/* FUNCTION RELEASE */ +;/* */ ;/* _tx_thread_interrupt_control RXv3/IAR */ ;/* 6.1.11 */ -;/* AUTHOR */ -;/* */ +;/* 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 */ -;/* */ -;/* 06-02-2021 William E. Lamie Initial Version 6.1.7 */ -;/* 10-15-2021 William E. Lamie Modified comment(s), */ -;/* resulting in version 6.1.9 */ -;/* 01-31-2022 William E. Lamie Modified comment(s), */ -;/* resulting in version 6.1.10 */ -;/* 04-25-2022 William E. Lamie Modified comment(s), */ -;/* resulting in version 6.1.11 */ -;/* */ -;/**************************************************************************/ +;/* */ +;/* 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 */ +;/* */ +;/**************************************************************************/ ;UINT _tx_thread_interrupt_control(UINT new_posture) ;{ public __tx_thread_interrupt_control @@ -79,20 +67,20 @@ __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 - + 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 + + MOV.L R3,R1 ; Get original SR RTS ; Return to caller ;} END |