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/******************************************************************************
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* *
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* License Agreement *
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* *
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* Copyright (c) 2004 Altera Corporation, San Jose, California, USA. *
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* All rights reserved. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the "Software"), *
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* to deal in the Software without restriction, including without limitation *
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
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* and/or sell copies of the Software, and to permit persons to whom the *
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* Software is furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in *
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* all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
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* DEALINGS IN THE SOFTWARE. *
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* *
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* This agreement shall be governed in all respects by the laws of the State *
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* of California and by the laws of the United States of America. *
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* *
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* Altera does not recommend, suggest or require that this reference design *
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* file be used in conjunction or combination with any other product. *
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******************************************************************************/
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#include "sys/alt_irq.h"
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#include "sys/alt_sim.h"
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#include "os/alt_hooks.h"
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#include "os/alt_syscall.h"
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#include "alt_types.h"
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#include "sys/alt_log_printf.h"
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/*
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* _exit() is called by exit() in order to terminate the current process.
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* Typically this is called when main() completes. It should never return.
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* Since there is nowhere to go once this process completes, this
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* implementation simply blocks forever.
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*
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* Note that interrupts are not disabled so that execution outside of this
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* thread is allowed to continue.
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*
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* ALT_EXIT is mapped onto the _exit() system call in alt_syscall.h
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*/
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void ALT_EXIT (int exit_code)
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{
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/* ALT_LOG - please see HAL/inc/alt_log_printf.h for details */
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ALT_LOG_PRINT_BOOT("[alt_exit.c] Entering _exit() function.\r\n");
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ALT_LOG_PRINT_BOOT("[alt_exit.c] Exit code from main was %d.\r\n",exit_code);
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/* Stop all other threads */
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ALT_LOG_PRINT_BOOT("[alt_exit.c] Calling ALT_OS_STOP().\r\n");
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ALT_OS_STOP();
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/* Provide notification to the simulator that we've stopped */
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ALT_LOG_PRINT_BOOT("[alt_exit.c] Calling ALT_SIM_HALT().\r\n");
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ALT_SIM_HALT(exit_code);
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/* spin forever, since there's no where to go back to */
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ALT_LOG_PRINT_BOOT("[alt_exit.c] Spinning forever.\r\n");
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while (1);
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}
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