4.2 Firmware Volumes

Stage II leverages most of the Stage I content. Additional firmware volumes include:

Name

Content

Compressed

Parent FV

FvPostMemory

Post-memory modules

Yes

None

FvBsp.fv

Post-memory board support

Yes

None

Table 15 Stage II Firmware Volumes

Which yields this example extension of the flash map for MMIO storage (append to Stage I map):

Binary

FV

Components

Purpose

Stage II

FvPostMemory.fv

ReadOnlyVariable.efi

Common core variable services

SiliconPolicyPeiPostMemory.efi

Publishes silicon initialization configuration

PlatformInitPostMemory.efi

Performs post memory initialization

DxeIpl.efi

Load and invoke DXE

ResetSystemRuntimeDxe.efi

Provides reset service

PciHostBridge.efi

PCI host bridge driver

Additional Components

Additional post-memory components required for Stage II boot

FvBsp.fv

Additional Components

Post-memory board support components

Table 16 Stage II FV and Component Layout

See Appendix: Full FV Map for a more complete example Firmware Volume layout.