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These are sometimes used by LLVM's code-generator, when it can guarantee that the memory buffer being passed is aligned on a (4- or 8-byte) boundary. They can safely be aliased to the unaligned versions. Signed-off-by: Sam Edwards <CFSworks@gmail.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Utility functions needed for (some) EABI conformant tool chains.
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*
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* (C) Copyright 2009 Wolfgang Denk <wd@denx.de>
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*/
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#include <stdio.h>
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#include <linux/stddef.h>
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#include <linux/string.h>
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int raise (int signum)
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{
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/* Even if printf() is available, it's large. Punt it for SPL builds */
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#if !defined(CONFIG_XPL_BUILD)
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printf("raise: Signal # %d caught\n", signum);
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#endif
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return 0;
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}
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/* Dummy function to avoid linker complaints */
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void __aeabi_unwind_cpp_pr0(void)
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{
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}
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void __aeabi_unwind_cpp_pr1(void)
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{
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}
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/* Copy memory like memcpy, but no return value required. */
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void __aeabi_memcpy(void *dest, const void *src, size_t n)
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{
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(void) memcpy(dest, src, n);
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}
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void __aeabi_memcpy4(void *dest, const void *src, size_t n) __alias(__aeabi_memcpy);
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void __aeabi_memcpy8(void *dest, const void *src, size_t n) __alias(__aeabi_memcpy);
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void __aeabi_memset(void *dest, size_t n, int c)
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{
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(void) memset(dest, c, n);
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}
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void __aeabi_memset4(void *dest, size_t n, int c) __alias(__aeabi_memset);
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void __aeabi_memset8(void *dest, size_t n, int c) __alias(__aeabi_memset);
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void __aeabi_memclr(void *dest, size_t n)
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{
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(void) memset(dest, 0, n);
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}
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void __aeabi_memclr4(void *dest, size_t n) __alias(__aeabi_memclr);
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void __aeabi_memclr8(void *dest, size_t n) __alias(__aeabi_memclr);
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