31 lines
902 B
ArmAsm
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)
|