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/*
* Copyright (c) 2011 Aeroflex Gaisler
*
* BSD license:
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef H_LEONBARE_CONTEXTSWITCH_H
#define H_LEONBARE_CONTEXTSWITCH_H
/*
* for this version, the index of THREAD_JB_SP must be even !!!
* This way, we can speed up the context switch (using std).
*/
#define THREAD_JB_SP 0 /* aligned */
#define THREAD_JB_PC 1
#define THREAD_JB_SVMASK 3
#define THREAD_JB_MASK 4
#define THREAD_JB_FP 5
#define THREAD_JB_I7 6
#define THREAD_JB_PSR 8 /* aligned */
#define THREAD_JB_WIM 9
#define THREAD_JB_FPUCTX 10
#ifndef __ASSEMBLER__
extern unsigned long fpustate_current;
typedef int threadctx_t[14 + 2] __attribute__ ((aligned (8)));
int thread_setjmp (threadctx_t env, int val);
void thread_longjmp (threadctx_t env, int val);
void _switch_to (threadctx_t env, int val);
#endif /* __ASSEMBLER__ */
#endif
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