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b194e432c3
For now, just enable the fast-but-large string functions in 32-boot U-Boot proper only. Avoid using them in SPL. We cannot use then in 64-bit builds since we only have 32-bit assembly. Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Signed-off-by: Simon Glass <sjg@chromium.org>
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
#ifndef __ASM_I386_STRING_H
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#define __ASM_I386_STRING_H
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/*
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* We don't do inline string functions, since the
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* optimised inline asm versions are not small.
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*/
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#undef __HAVE_ARCH_STRNCPY
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extern char *strncpy(char *__dest, __const__ char *__src, __kernel_size_t __n);
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#undef __HAVE_ARCH_STRRCHR
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extern char *strrchr(const char *s, int c);
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#undef __HAVE_ARCH_STRCHR
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extern char *strchr(const char *s, int c);
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/*
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* Our assembly routines do not work on in 64-bit mode and we don't do a lot of
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* copying in SPL, so code size is more important there.
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*/
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#if defined(CONFIG_SPL_BUILD) || !IS_ENABLED(CONFIG_X86_32BIT_INIT)
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#undef __HAVE_ARCH_MEMCPY
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extern void *memcpy(void *, const void *, __kernel_size_t);
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#undef __HAVE_ARCH_MEMMOVE
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extern void *memmove(void *, const void *, __kernel_size_t);
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#undef __HAVE_ARCH_MEMSET
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extern void *memset(void *, int, __kernel_size_t);
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#else
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#define __HAVE_ARCH_MEMCPY
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extern void *memcpy(void *, const void *, __kernel_size_t);
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#define __HAVE_ARCH_MEMMOVE
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extern void *memmove(void *, const void *, __kernel_size_t);
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#define __HAVE_ARCH_MEMSET
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extern void *memset(void *, int, __kernel_size_t);
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#endif /* CONFIG_X86_64 */
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#undef __HAVE_ARCH_MEMCHR
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extern void *memchr(const void *, int, __kernel_size_t);
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#undef __HAVE_ARCH_MEMZERO
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extern void memzero(void *ptr, __kernel_size_t n);
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#endif
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