Re: [PATCH 3/4] csky: introduce CONFIG_CSKY_ABI_V1/2

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, May 12, 2022 at 12:01 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
>
> This is useful to clean up Makefile.
>
> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> ---
>
>  arch/csky/Kconfig  | 11 +++++++++++
>  arch/csky/Makefile | 14 ++++++++------
>  2 files changed, 19 insertions(+), 6 deletions(-)
>
> diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
> index 75ef86605d69..da756ecf0f85 100644
> --- a/arch/csky/Kconfig
> +++ b/arch/csky/Kconfig
> @@ -161,6 +161,12 @@ config ARCH_MMAP_RND_BITS_MIN
>  config ARCH_MMAP_RND_BITS_MAX
>         default 17
>
> +config CSKY_ABI_V1
> +       bool
> +
> +config CSKY_ABI_V2
> +       bool
> +
>  menu "Processor type and features"
>
>  choice
> @@ -172,15 +178,18 @@ config CPU_CK610
>         select CPU_NEED_TLBSYNC
>         select CPU_NEED_SOFTALIGN
>         select CPU_NO_USER_BKPT
> +       select CSKY_ABI_V1
>
>  config CPU_CK810
>         bool "CSKY CPU ck810"
>         select CPU_HAS_HILO
>         select CPU_NEED_TLBSYNC
> +       select CSKY_ABI_V2
>
>  config CPU_CK807
>         bool "CSKY CPU ck807"
>         select CPU_HAS_HILO
> +       select CSKY_ABI_V2
>
>  config CPU_CK860
>         bool "CSKY CPU ck860"
> @@ -188,6 +197,8 @@ config CPU_CK860
>         select CPU_HAS_CACHEV2
>         select CPU_HAS_LDSTEX
>         select CPU_HAS_FPUV2
> +       select CSKY_ABI_V2
> +
>  endchoice
>
>  choice
> diff --git a/arch/csky/Makefile b/arch/csky/Makefile
> index 4d72aca4069b..2b30525f39e1 100644
> --- a/arch/csky/Makefile
> +++ b/arch/csky/Makefile
> @@ -16,34 +16,36 @@ endif
>
>  ifdef CONFIG_CPU_CK610
>  CPUTYPE        = ck610
> -CSKYABI        = abiv1
>  endif
>
>  ifdef CONFIG_CPU_CK810
>  CPUTYPE = ck810
> -CSKYABI        = abiv2
>  endif
>
>  ifdef CONFIG_CPU_CK807
>  CPUTYPE = ck807
> -CSKYABI        = abiv2
>  endif
>
>  ifdef CONFIG_CPU_CK860
>  CPUTYPE = ck860
> +endif
> +
> +ifdef CONFIG_CSKY_ABI_V1
> +CSKYABI        = abiv1
> +endif
> +
> +ifdef CONFIG_CSKY_ABI_V2
>  CSKYABI        = abiv2
We still need CSKYABI, so I don't think adding CONFIG_CSKY_ABI_V2 is
necessary. And ck807 & ck860 have different ABI.

>  endif
>
> -ifneq ($(CSKYABI),)
>  MCPU_STR = $(CPUTYPE)$(FPUEXT)$(VDSPEXT)$(TEEEXT)
>  KBUILD_CFLAGS += -mcpu=$(CPUTYPE) -Wa,-mcpu=$(MCPU_STR)
>  KBUILD_CFLAGS += -DCSKYCPU_DEF_NAME=\"$(MCPU_STR)\"
>  KBUILD_CFLAGS += -msoft-float -mdiv
>  KBUILD_CFLAGS += -fno-tree-vectorize
> -endif
>
>  KBUILD_CFLAGS += -pipe
> -ifeq ($(CSKYABI),abiv2)
> +ifdef CONFIG_CSKY_ABI_V2
>  KBUILD_CFLAGS += -mno-stack-size
>  endif
>
> --
> 2.32.0
>


-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/



[Index of Archives]     [Linux Samsung SoC]     [Linux Rockchip SoC]     [Linux Actions SoC]     [Linux for Synopsys ARC Processors]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]


  Powered by Linux