From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> This patch adds a new config option which could enable assembler's vector feature. Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> Co-developed-by: Greentime Hu <greentime.hu@xxxxxxxxxx> Signed-off-by: Greentime Hu <greentime.hu@xxxxxxxxxx> --- arch/riscv/Kconfig | 15 +++++++++++++-- arch/riscv/Makefile | 1 + 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index ed66c31e4655..e294d85bfb7d 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -432,7 +432,17 @@ config FPU If you don't know what to do here, say Y. -endmenu # "Platform type" +config VECTOR + bool "VECTOR support" + depends on GCC_VERSION >= 120000 || CLANG_VERSION >= 130000 + default n + help + Say N here if you want to disable all vector related procedure + in the kernel. + + If you don't know what to do here, say Y. + +endmenu menu "Kernel features" @@ -556,6 +566,7 @@ config CMDLINE_EXTEND cases where the provided arguments are insufficient and you don't want to or cannot modify them. + config CMDLINE_FORCE bool "Always use the default kernel command string" help @@ -648,7 +659,7 @@ config XIP_PHYS_ADDR be linked for and stored to. This address is dependent on your own flash usage. -endmenu # "Boot options" +endmenu config BUILTIN_DTB bool diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 3fa8ef336822..1ec17f3d6d09 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -50,6 +50,7 @@ riscv-march-$(CONFIG_ARCH_RV32I) := rv32ima riscv-march-$(CONFIG_ARCH_RV64I) := rv64ima riscv-march-$(CONFIG_FPU) := $(riscv-march-y)fd riscv-march-$(CONFIG_RISCV_ISA_C) := $(riscv-march-y)c +riscv-march-$(CONFIG_VECTOR) := $(riscv-march-y)v # Newer binutils versions default to ISA spec version 20191213 which moves some # instructions from the I extension to the Zicsr and Zifencei extensions. -- 2.25.1
