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| author | Simon Glass <sjg@chromium.org> | 2023-05-04 16:50:52 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng@tinylab.org> | 2023-05-11 10:25:29 +0800 |
| commit | b194e432c3d22bbeb6045b7f294c354d03ee95d3 (patch) | |
| tree | b406c2b8207b5527a4f37d83b8ba274b7194845a /arch/x86/include | |
| parent | afa3d90c08242790dad21ac27a412067bcbfcb49 (diff) | |
| download | u-boot-b194e432c3d22bbeb6045b7f294c354d03ee95d3.tar.gz u-boot-b194e432c3d22bbeb6045b7f294c354d03ee95d3.tar.bz2 u-boot-b194e432c3d22bbeb6045b7f294c354d03ee95d3.zip | |
x86: Tidy up availability of string functions
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>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/string.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/include/asm/string.h b/arch/x86/include/asm/string.h index c15b264a5c..5c49b0f009 100644 --- a/arch/x86/include/asm/string.h +++ b/arch/x86/include/asm/string.h @@ -14,7 +14,11 @@ extern char *strrchr(const char *s, int c); #undef __HAVE_ARCH_STRCHR extern char *strchr(const char *s, int c); -#ifdef CONFIG_X86_64 +/* + * Our assembly routines do not work on in 64-bit mode and we don't do a lot of + * copying in SPL, so code size is more important there. + */ +#if defined(CONFIG_SPL_BUILD) || !IS_ENABLED(CONFIG_X86_32BIT_INIT) #undef __HAVE_ARCH_MEMCPY extern void *memcpy(void *, const void *, __kernel_size_t); |