[coreboot] uefi_nvs.bin in coreboot

galla rao galla.rao80 at gmail.com
Wed Nov 21 17:28:03 CET 2018


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: image.png]

Thanks & Regards
Ranga
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