Re: [PATCH v7 01/14] MIPS: spaces: Define a couple of handy macros

From: Thomas Bogendoerfer
Date: Thu Feb 08 2024 - 07:50:00 EST


On Mon, Feb 05, 2024 at 04:34:47PM +0100, Gregory CLEMENT wrote:
> Define KSEGX_SIZE to represent the size of each KSEG segment.
>
> Introduce CKSEG0ADDR_OR_64BIT and CKSEG1ADDR_OR_64BIT to get an XPHYS
> address in 64bits and CKSEG[01]ADDR() in 32 bits mode.
>
> Co-developed-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx>
> ---
> arch/mips/include/asm/addrspace.h | 5 +++++
> arch/mips/include/asm/mach-generic/spaces.h | 4 ++++
> 2 files changed, 9 insertions(+)
>
> diff --git a/arch/mips/include/asm/addrspace.h b/arch/mips/include/asm/addrspace.h
> index 59a48c60a065c..03a5e2c8b5dc9 100644
> --- a/arch/mips/include/asm/addrspace.h
> +++ b/arch/mips/include/asm/addrspace.h
> @@ -47,6 +47,11 @@
> */
> #define KSEGX(a) ((_ACAST32_(a)) & _ACAST32_(0xe0000000))
>
> +/*
> + * Gives the size of each kernel segment
> + */
> +#define KSEGX_SIZE 0x20000000

well this is the KSEG size for 32bit and defined in a common section,
so better use CSEGX_SIZE

Thomas.

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