[PATCH] powerpc/prom_init: Include the termination message in ibm, os-term RTAS call

Fabiano Rosas farosas at linux.ibm.com
Thu Mar 26 00:24:20 AEDT 2020


Michael Ellerman <mpe at ellerman.id.au> writes:

> Fabiano Rosas <farosas at linux.ibm.com> writes:
>
>> QEMU can now print the ibm,os-term message[1], so let's include it in
>> the RTAS call. E.g.:
>>
>>   qemu-system-ppc64: OS terminated: Switch to secure mode failed.
>>
>> 1- https://git.qemu.org/?p=qemu.git;a=commitdiff;h=a4c3791ae0
>>
>> Signed-off-by: Fabiano Rosas <farosas at linux.ibm.com>
>> ---
>>  arch/powerpc/kernel/prom_init.c | 3 +++
>>  1 file changed, 3 insertions(+)
>
> I have this queued:
>   https://patchwork.ozlabs.org/patch/1253390/
>
> Which I think does the same thing?
>

Ah, all good then. Nothing to see here... =)

> cheers
>
>> diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
>> index 577345382b23..d543fb6d29c5 100644
>> --- a/arch/powerpc/kernel/prom_init.c
>> +++ b/arch/powerpc/kernel/prom_init.c
>> @@ -1773,6 +1773,9 @@ static void __init prom_rtas_os_term(char *str)
>>  	if (token == 0)
>>  		prom_panic("Could not get token for ibm,os-term\n");
>>  	os_term_args.token = cpu_to_be32(token);
>> +	os_term_args.nargs = cpu_to_be32(1);
>> +	os_term_args.args[0] = cpu_to_be32(__pa(str));
>> +
>>  	prom_rtas_hcall((uint64_t)&os_term_args);
>>  }
>>  #endif /* CONFIG_PPC_SVM */
>> -- 
>> 2.23.0


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