WSL2-Linux-Kernel/arch/tile/lib/mb_incoherent.S

35 строки
1.0 KiB
ArmAsm

/*
* Copyright 2010 Tilera Corporation. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for
* more details.
*
* Assembly code for invoking the HV's fence_incoherent syscall.
*/
#include <linux/linkage.h>
#include <hv/syscall_public.h>
#include <arch/abi.h>
#include <arch/chip.h>
#if !CHIP_HAS_MF_WAITS_FOR_VICTIMS()
/*
* Invoke the hypervisor's fence_incoherent syscall, which guarantees
* that all victims for cachelines homed on this tile have reached memory.
*/
STD_ENTRY(__mb_incoherent)
moveli TREG_SYSCALL_NR_NAME, HV_SYS_fence_incoherent
swint2
jrp lr
STD_ENDPROC(__mb_incoherent)
#endif