fd93e165fb
This updates the Intel and Cavium license on files in examples to be the standard BSD-3-Clause license used for the rest of DPDK, bringing the files in compliance with the DPDK licensing policy. Signed-off-by: Lee Daly <lee.daly@intel.com> Acked-by: Ferruh Yigit <ferruh.yigit@intel.com> Acked-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2015 Intel Corporation.
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* Copyright(c) Cavium, Inc. 2017.
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* All rights reserved.
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*/
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/*
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* Some portions of this software is derived from the
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* https://github.com/halayli/lthread which carrys the following license.
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*
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* Copyright (C) 2012, Hasan Alayli <halayli@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef STACK_H
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#define STACK_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "lthread_int.h"
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/*
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* Sets up the initial stack for the lthread.
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*/
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static inline void
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arch_set_stack(struct lthread *lt, void *func)
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{
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char *stack_top = (char *)(lt->stack) + lt->stack_size;
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void **s = (void **)stack_top;
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/* set initial context */
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s[-3] = NULL;
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s[-2] = (void *)lt;
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lt->ctx.rsp = (void *)(stack_top - (4 * sizeof(void *)));
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lt->ctx.rbp = (void *)(stack_top - (3 * sizeof(void *)));
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lt->ctx.rip = func;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* STACK_H_ */
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