Hello Ranga:

From where you got this information / guide because I will try to do it myself.

Jose.



‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Wednesday, November 21, 2018 7:28 PM, galla rao <galla.rao80@gmail.com> wrote:

Hi All,

am trying to save NVRAM variables which are modifed in Uefi Payload, but i could not save it.   

what is the role of uefi_nvs.bin file?

coreboot/intel/mainboard/intel/bayleybay_fsp/uefi_nvs.bin

 


Even the boot order does not save into NVRAM variables


Can some one help me on this, Base address is given below 


gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase   | 0xFFF60000

  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase | 0xFFF7E000  


  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase   | 0xFFF80000


In coreboot, i have given the same address


image.png

Thanks & Regards
Ranga