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

From: Gregory CLEMENT
Date: Wed Feb 14 2024 - 11:44:45 EST


Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> writes:

> 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

Done in the next series.

Thanks,

Gregory


>
> Thomas.
>
> --
> Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
> good idea. [ RFC1925, 2.3 ]

--
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com