forked from Imagelibrary/rtems
e01e499490
This patch changes the license to BSD-2 for all source files where the copyright is held by Aeroflex Gaisler, Cobham Gaisler, or Gaisler Research. Some files also includes copyright right statements from OAR and/or embedded Brains in addition to Gaisler. Updates #3053.
53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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* @ingroup RTEMSBSPsSPARCShared
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* @brief ERC32/LEON2 BSP Fatal_halt handler.
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*
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* COPYRIGHT (c) 2014.
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* Aeroflex Gaisler AB.
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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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <bsp.h>
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#include <rtems/score/cpuimpl.h>
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void _CPU_Fatal_halt( uint32_t source, CPU_Uint32ptr error )
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{
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#ifdef BSP_POWER_DOWN_AT_FATAL_HALT
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/* Spin CPU on fatal error exit */
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uint32_t level = sparc_disable_interrupts();
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__asm__ volatile ( "mov %0, %%g1 " : "=r" (level) : "0" (level) );
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while (1) ; /* loop forever */
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#else
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/*
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* Return to debugger, simulator, hypervisor or similar by exiting
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* with an error code. g1=1, g2=FATAL_SOURCE, G3=error-code.
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*/
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sparc_syscall_exit(source, error);
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#endif
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}
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