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author | Stefan Roese <sr@denx.de> | 2021-08-17 10:48:27 +0200 |
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committer | Tom Rini <trini@konsulko.com> | 2021-09-02 09:48:21 -0400 |
commit | f18d759c174df8dac2e1148392d9e7f390ee5a5c (patch) | |
tree | 01d8b9e8058f5f0e97c79f5ce6e579360e1f46ef | |
parent | 2862f21900d39264be03eb514766e53f689c46d5 (diff) | |
download | u-boot-f18d759c174df8dac2e1148392d9e7f390ee5a5c.zip u-boot-f18d759c174df8dac2e1148392d9e7f390ee5a5c.tar.gz u-boot-f18d759c174df8dac2e1148392d9e7f390ee5a5c.tar.bz2 |
arm64: Kconfig: Enable usage of optimized memset/memcpy/memmove
This patch enables the use of the optimized memset(), memmove() &
memcpy() versions recently added on ARM64.
Signed-off-by: Stefan Roese <sr@denx.de>
-rw-r--r-- | arch/arm/Kconfig | 37 | ||||
-rw-r--r-- | arch/arm/include/asm/string.h | 4 |
2 files changed, 35 insertions, 6 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 50efb5e..84f9f91 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -446,7 +446,6 @@ config ARM_CORTEX_CPU_IS_UP config USE_ARCH_MEMCPY bool "Use an assembly optimized implementation of memcpy" default y - depends on !ARM64 help Enable the generation of an optimized version of memcpy. Such an implementation may be faster under some conditions @@ -455,7 +454,7 @@ config USE_ARCH_MEMCPY config SPL_USE_ARCH_MEMCPY bool "Use an assembly optimized implementation of memcpy for SPL" default y if USE_ARCH_MEMCPY - depends on !ARM64 && SPL + depends on SPL help Enable the generation of an optimized version of memcpy. Such an implementation may be faster under some conditions @@ -464,16 +463,42 @@ config SPL_USE_ARCH_MEMCPY config TPL_USE_ARCH_MEMCPY bool "Use an assembly optimized implementation of memcpy for TPL" default y if USE_ARCH_MEMCPY - depends on !ARM64 && TPL + depends on TPL help Enable the generation of an optimized version of memcpy. Such an implementation may be faster under some conditions but may increase the binary size. +config USE_ARCH_MEMMOVE + bool "Use an assembly optimized implementation of memmove" if !ARM64 + default USE_ARCH_MEMCPY if ARM64 + depends on ARM64 + help + Enable the generation of an optimized version of memmove. + Such an implementation may be faster under some conditions + but may increase the binary size. + +config SPL_USE_ARCH_MEMMOVE + bool "Use an assembly optimized implementation of memmove for SPL" if !ARM64 + default SPL_USE_ARCH_MEMCPY if ARM64 + depends on SPL && ARM64 + help + Enable the generation of an optimized version of memmove. + Such an implementation may be faster under some conditions + but may increase the binary size. + +config TPL_USE_ARCH_MEMMOVE + bool "Use an assembly optimized implementation of memmove for TPL" if !ARM64 + default TPL_USE_ARCH_MEMCPY if ARM64 + depends on TPL && ARM64 + help + Enable the generation of an optimized version of memmove. + Such an implementation may be faster under some conditions + but may increase the binary size. + config USE_ARCH_MEMSET bool "Use an assembly optimized implementation of memset" default y - depends on !ARM64 help Enable the generation of an optimized version of memset. Such an implementation may be faster under some conditions @@ -482,7 +507,7 @@ config USE_ARCH_MEMSET config SPL_USE_ARCH_MEMSET bool "Use an assembly optimized implementation of memset for SPL" default y if USE_ARCH_MEMSET - depends on !ARM64 && SPL + depends on SPL help Enable the generation of an optimized version of memset. Such an implementation may be faster under some conditions @@ -491,7 +516,7 @@ config SPL_USE_ARCH_MEMSET config TPL_USE_ARCH_MEMSET bool "Use an assembly optimized implementation of memset for TPL" default y if USE_ARCH_MEMSET - depends on !ARM64 && TPL + depends on TPL help Enable the generation of an optimized version of memset. Such an implementation may be faster under some conditions diff --git a/arch/arm/include/asm/string.h b/arch/arm/include/asm/string.h index 11eaa34..ead3f2c 100644 --- a/arch/arm/include/asm/string.h +++ b/arch/arm/include/asm/string.h @@ -19,7 +19,11 @@ extern char * strchr(const char * s, int c); #endif extern void * memcpy(void *, const void *, __kernel_size_t); +#if CONFIG_IS_ENABLED(USE_ARCH_MEMMOVE) +#define __HAVE_ARCH_MEMMOVE +#else #undef __HAVE_ARCH_MEMMOVE +#endif extern void * memmove(void *, const void *, __kernel_size_t); #undef __HAVE_ARCH_MEMCHR |