diff options
Diffstat (limited to 'ports/arm11/ac5/src/tx_thread_interrupt_disable.s')
| -rw-r--r-- | ports/arm11/ac5/src/tx_thread_interrupt_disable.s | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/ports/arm11/ac5/src/tx_thread_interrupt_disable.s b/ports/arm11/ac5/src/tx_thread_interrupt_disable.s new file mode 100644 index 00000000..a3145dab --- /dev/null +++ b/ports/arm11/ac5/src/tx_thread_interrupt_disable.s @@ -0,0 +1,98 @@ +;/**************************************************************************/ +;/* */ +;/* 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" +; +; + IF :DEF:TX_ENABLE_FIQ_SUPPORT +DISABLE_INTS EQU 0xC0 ; IRQ & FIQ interrupts disabled + ELSE +DISABLE_INTS EQU 0x80 ; IRQ interrupts disabled + ENDIF +; +; + AREA ||.text||, CODE, READONLY +;/**************************************************************************/ +;/* */ +;/* FUNCTION RELEASE */ +;/* */ +;/* _tx_thread_interrupt_disable ARM11/AC5 */ +;/* 6.0.1 */ +;/* AUTHOR */ +;/* */ +;/* William E. Lamie, Microsoft Corporation */ +;/* */ +;/* DESCRIPTION */ +;/* */ +;/* This function is responsible for disabling interrupts */ +;/* */ +;/* INPUT */ +;/* */ +;/* None */ +;/* */ +;/* OUTPUT */ +;/* */ +;/* old_posture Old interrupt lockout posture */ +;/* */ +;/* CALLS */ +;/* */ +;/* None */ +;/* */ +;/* CALLED BY */ +;/* */ +;/* Application Code */ +;/* */ +;/* RELEASE HISTORY */ +;/* */ +;/* DATE NAME DESCRIPTION */ +;/* */ +;/* 06-30-2020 William E. Lamie Initial Version 6.0.1 */ +;/* */ +;/**************************************************************************/ +;UINT _tx_thread_interrupt_disable(void) +;{ + EXPORT _tx_thread_interrupt_disable +_tx_thread_interrupt_disable +; +; /* Pickup current interrupt lockout posture. */ +; + MRS r0, CPSR ; Pickup current CPSR +; +; /* Mask interrupts. */ +; + ORR r1, r0, #DISABLE_INTS ; Mask interrupts + MSR CPSR_cxsf, r1 ; Setup new CPSR + IF {INTER} = {TRUE} + BX lr ; Return to caller + ELSE + MOV pc, lr ; Return to caller + ENDIF +;} +; + END + |