35 lines
1 KiB
ArmAsm
35 lines
1 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
|