2021-05-13 20:29:44 +08:00

31 lines
902 B
ArmAsm

/*
* Copyright (c) 2020 Institute of Parallel And Distributed Systems (IPADS), Shanghai Jiao Tong University (SJTU)
* OS-Lab-2020 (i.e., ChCore) is licensed under the Mulan PSL v1.
* You can use this software according to the terms and conditions of the Mulan PSL v1.
* You may obtain a copy of Mulan PSL v1 at:
* http://license.coscl.org.cn/MulanPSL
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
* PURPOSE.
* See the Mulan PSL v1 for more details.
*/
#include <common/asm.h>
/*
* DAIF 4 bits
* D: debug exceptions
* A: asynchronous aborts SError
* I: IRQs
* F: FIQs
*/
BEGIN_FUNC(enable_irq)
msr daifclr, #2
ret
END_FUNC(enable_irq)
BEGIN_FUNC(disable_irq)
msr daifset, #2
ret
END_FUNC(disable_irq)