/* * Copyright (c) Atmosphère-NX * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ .section .text._ZN3ams6secmon15AcquireSpinLockERj, "ax", %progbits .align 4 .global _ZN3ams6secmon15AcquireSpinLockERj _ZN3ams6secmon15AcquireSpinLockERj: /* Prepare to try to take the spinlock. */ mov w1, #1 sevl prfm pstl1keep, [x0] 1: /* Repeatedly try to take the lock. */ wfe ldaxr w2, [x0] cbnz w2, 1b stxr w2, w1, [x0] cbnz w2, 1b /* Return. */ ret .section .text._ZN3ams6secmon15ReleaseSpinLockERj, "ax", %progbits .align 4 .global _ZN3ams6secmon15ReleaseSpinLockERj _ZN3ams6secmon15ReleaseSpinLockERj: /* Release the spinlock. */ stlr wzr, [x0] /* Return. */ ret