| /* |
| * 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 |
