diff options
author | Yu Chien Peter Lin <peterlin@andestech.com> | 2023-08-09 18:49:30 +0800 |
---|---|---|
committer | Leo Yu-Chi Liang <ycliang@andestech.com> | 2023-10-19 17:29:50 +0800 |
commit | bc5a50452bd42029d6587e1596b44ff235655e90 (patch) | |
tree | 30cf46e0c2e1415feaf8f1de62821f460771e56f /arch/riscv/include/asm/string.h | |
parent | 03a4504659bf8b0a1945a79696ae9a2b7ca4938a (diff) |
riscv: Add Zbb support for building U-Boot
This patch adds ISA string to the -march to generate zbb instructions
for U-Boot binaries, along with optimized string functions introduced
from Linux kernel.
Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Diffstat (limited to 'arch/riscv/include/asm/string.h')
-rw-r--r-- | arch/riscv/include/asm/string.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/string.h b/arch/riscv/include/asm/string.h index 7dee3e4c9f6..38ad85fe3bb 100644 --- a/arch/riscv/include/asm/string.h +++ b/arch/riscv/include/asm/string.h @@ -40,4 +40,22 @@ extern void *memmove(void *, const void *, __kernel_size_t); #endif extern void *memset(void *, int, __kernel_size_t); +#undef __HAVE_ARCH_STRLEN +#if CONFIG_IS_ENABLED(USE_ARCH_STRLEN) +#define __HAVE_ARCH_STRLEN +#endif +extern __kernel_size_t strlen(const char *); + +#undef __HAVE_ARCH_STRCMP +#if CONFIG_IS_ENABLED(USE_ARCH_STRCMP) +#define __HAVE_ARCH_STRCMP +#endif +extern int strcmp(const char *, const char *); + +#undef __HAVE_ARCH_STRNCMP +#if CONFIG_IS_ENABLED(USE_ARCH_STRNCMP) +#define __HAVE_ARCH_STRNCMP +#endif +extern int strncmp(const char *, const char *, size_t __kernel_size_t); + #endif /* __ASM_RISCV_STRING_H */ |