[Query] How to pass reboot arguments to secure firmware with PSCI spec

Sudeep Holla sudeep.holla at arm.com
Fri Aug 1 03:21:12 PDT 2014



On 01/08/14 11:06, Jisheng Zhang wrote:
> Hi Catalin and Will,
>
> I noticed that the following commit implement reboot via. PSCI SYSTEM_RESET
> function. So my question is how to handle the reboot arguments?
>

What reboot arguments do you want to handle ?

>
>> static void psci_sys_reset(enum reboot_mode reboot_mode, const char *cmd)
>> {
>>        invoke_psci_fn(PSCI_0_2_FN_SYSTEM_RESET, 0, 0, 0);
>
> How to pass cmd to secure firmware?
>

What cmd do you want to pass ? The function id is already handled. What
else do you want to pass ?

If you see PSCI v0.2 spec, the SYSTEM_RESET and SYSTEM_SHUTDOWN takes no
parameters.

Regards,
Sudeep




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