60814cb2918363c5606e7134a8f289bcef150488 - filogic/uboot

commit	60814cb2918363c5606e7134a8f289bcef150488	[log] [tgz]
author	Yu Chien Peter Lin <peterlin@andestech.com>	Wed Aug 09 18:49:30 2023 +0800
committer	Leo Yu-Chi Liang <ycliang@andestech.com>	Thu Oct 19 17:29:50 2023 +0800
tree	30cf46e0c2e1415feaf8f1de62821f460771e56f
parent	b4dc63fc85c1156d51e6fdf616419de963e7d330 [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>

arch/riscv/Kconfig[diff]
arch/riscv/Makefile[diff]
arch/riscv/include/asm/string.h[diff]
arch/riscv/lib/Makefile[diff]
arch/riscv/lib/strcmp_zbb.S[Added - diff]
arch/riscv/lib/strlen_zbb.S[Added - diff]
arch/riscv/lib/strncmp_zbb.S[Added - diff]

7 files changed

tree: 30cf46e0c2e1415feaf8f1de62821f460771e56f