##------------------------------------------------------------------------------ # # SpeculationBarrier() for AArch64 # # Copyright (c) 2019, Linaro Ltd. All rights reserved. # # This program and the accompanying materials # are licensed and made available under the terms and conditions of the BSD License # which accompanies this distribution. The full text of the license may be found at # http://opensource.org/licenses/bsd-license.php. # # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. # ##------------------------------------------------------------------------------ .text .p2align 2 GCC_ASM_EXPORT(SpeculationBarrier) #/** # Uses as a barrier to stop speculative execution. # # Ensures that no later instruction will execute speculatively, until all prior # instructions have completed. # #**/ #VOID #EFIAPI #SpeculationBarrier ( # VOID # ); # ASM_PFX(SpeculationBarrier): dsb isb bx lr