How the Set boot mode and Set boot source works ?

[Tom Joseph]

Hello Brad,

These boot options correspond to the boot flags in the Get/Set system 
boot options command.
The get/set system boot options command can be used to configure boot 
mode/boot source.
On OpenPower systems, Petitboot sends IPMI commands to get/set these 
parameters.

Refer this to understand how the IPMI command is mapped to the D-Bus 
property.

https://github.com/openbmc/phosphor-host-ipmid/blob/master/chassishandler.cpp#L1181
https://github.com/openbmc/phosphor-host-ipmid/blob/master/chassishandler.cpp#L1320

Regards,
Tom

On Monday 07 May 2018 03:09 PM, Brad Chou wrote:
> Hi everyone,
> I have read the 
> https://github.com/openbmc/docs/blob/master/REST-cheatsheet.md
> And follow it to *Set boot mode* and *Set boot source*.
> My CPU is Intel x86 based, so I don’t expected it will work with those 
> two commands.
> So I just want to know how those two commands work with openpower system.
> Does the CPU send some commands to BMC to get these settings when 
> power up ?
> What kind of command formate ?
> If I want to make my x86 CPU to work with it, what should I going to 
> do first ?
>
> Thanks.

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