From 9ab6761b9ca97ff82bfea30e933cbb510431c83f Mon Sep 17 00:00:00 2001 From: Piotr Jaroszyński Date: Wed, 26 May 2010 18:54:36 +0200 Subject: [linux] Add nap MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Piotr Jaroszyński Signed-off-by: Michael Brown --- src/interface/linux/linux_nap.c | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 src/interface/linux/linux_nap.c (limited to 'src/interface/linux/linux_nap.c') diff --git a/src/interface/linux/linux_nap.c b/src/interface/linux/linux_nap.c new file mode 100644 index 00000000..98642bad --- /dev/null +++ b/src/interface/linux/linux_nap.c @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2010 Piotr Jaroszyński + * + * 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; either version 2 of the + * License, or any later version. + * + * 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. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +FILE_LICENCE(GPL2_OR_LATER); + +#include + +#include + +/** @file + * + * iPXE CPU sleeping API for linux + * + */ + +/** + * Sleep until next CPU interrupt + * + */ +static void linux_cpu_nap(void) +{ + linux_usleep(0); +} + +PROVIDE_NAP(linux, cpu_nap, linux_cpu_nap); -- cgit v1.2.3