forked from Imagelibrary/rtems
40 lines
770 B
C
40 lines
770 B
C
/**
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* @file
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*
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* @ingroup powerpc_shared
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*
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* @brief Code copy implementation.
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*/
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/*
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* Copyright (c) 2009
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* embedded brains GmbH
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* Obere Lagerstr. 30
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* D-82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <string.h>
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#include <rtems.h>
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#include <libcpu/powerpc-utility.h>
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void ppc_code_copy(void *dest, const void *src, size_t n)
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{
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if (memcmp(dest, src, n) != 0) {
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memcpy(dest, src, n);
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rtems_cache_flush_multiple_data_lines(dest, n);
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ppc_synchronize_data();
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rtems_cache_invalidate_multiple_instruction_lines(dest, n);
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ppc_synchronize_instructions();
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}
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}
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