From 7ee7239939e96eee38863b555042295e38cd2c98 Mon Sep 17 00:00:00 2001 From: Patrick Williams Date: Thu, 25 Jun 2015 15:43:35 -0500 Subject: Add doorbell support. Change-Id: I4c5ef96c4793f6da26d54d1d61a51f6395e6b34b Backport: master-p8 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/930 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell Reviewed-by: William G. Hoffa Tested-by: FSP CI Jenkins Reviewed-by: Matthew A. Ploetz --- src/include/kernel/doorbell.H | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 src/include/kernel/doorbell.H (limited to 'src/include/kernel') diff --git a/src/include/kernel/doorbell.H b/src/include/kernel/doorbell.H new file mode 100644 index 000000000..d0c65be2c --- /dev/null +++ b/src/include/kernel/doorbell.H @@ -0,0 +1,41 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/include/kernel/doorbell.H $ */ +/* */ +/* OpenPOWER HostBoot Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2015,2016 */ +/* [+] International Business Machines Corp. */ +/* */ +/* */ +/* Licensed under the Apache License, Version 2.0 (the "License"); */ +/* you may not use this file except in compliance with the License. */ +/* You may obtain a copy of the License at */ +/* */ +/* http://www.apache.org/licenses/LICENSE-2.0 */ +/* */ +/* Unless required by applicable law or agreed to in writing, software */ +/* distributed under the License is distributed on an "AS IS" BASIS, */ +/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ +/* implied. See the License for the specific language governing */ +/* permissions and limitations under the License. */ +/* */ +/* IBM_PROLOG_END_TAG */ +#ifndef __KERNEL_DOORBELL_H +#define __KERNEL_DOORBELL_H + +/** doorbell_broadcast + * + * Broadcast a doorbell exception to all threads on the same core. + */ +void doorbell_broadcast(); + +/** doorbell_clear + * + * Clears a pending doorbell from the executing thread, so that the + * exception is no longer asserted. + */ +void doorbell_clear(); + +#endif -- cgit v1.2.3