[PATCH] arm: spl: Use separate fault handlers instead of a single common one

[Csókás Bence]

2023. 12. 14. 18:53 keltezéssel, Tom Rini írta:
> On Thu, Dec 14, 2023 at 05:29:31PM +0100, Csókás Bence wrote:
> 
>> It may be necessary to set breakpoints etc. on a specific fault handler in SPL.
>> Add a Kconfig option to separate the different handlers into their own individual infinite loops.
>>
>> Signed-off-by: Csókás Bence <csokas.bence at prolan.hu>
>> ---
>>   arch/arm/Kconfig       | 10 ++++++++++
>>   arch/arm/lib/vectors.S | 18 ++++++++++++++++++
>>   2 files changed, 28 insertions(+)
>>
>> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
>> index 328e2ddc33..47494cb72b 100644
>> --- a/arch/arm/Kconfig
>> +++ b/arch/arm/Kconfig
>> @@ -79,6 +79,16 @@ config SPL_SYS_NO_VECTOR_TABLE
>>   	depends on SPL
>>   	bool
>>   
>> +config SPL_USE_SEPARATE_FAULT_HANDLERS
>> +	bool "Use separate fault handlers instead of a single common one"
>> +	depends on !SPL_SYS_NO_VECTOR_TABLE
> 
> Will this dep catch that this is only valid for !ARM64 && !CPU_V7M ?

Is it? How so?
So should I put `depends on !SPL_SYS_NO_VECTOR_TABLE && !ARM64 && 
!CPU_V7M` instead?

> 
>> +	default n
> 
> "n" is the default, so don't add this.

Understood.

> 
> Otherwise looks good.
>