## @file
#  Compile standalone firmware filesystem files.
#
#  Copyright (C) 2022-2023, Mike Beaton. All rights reserved.<BR>
#  SPDX-License-Identifier: BSD-3-Clause
##

#
# For now disable non-64-bit build; Mac Pro cannot use it, and EDK-II
# build system does not separate 64 bit and 32 bit .ffs files, which
# we want to distribute.
#
# If we needed all archs in future we could distribute the complete
# .fv files, from which the .ffs can be re-extracted.
#
!if ($(ARCH) == X64)

!if ($(ARCH) == X64)
  [FV.FfsFilesX64]
!else
  [FV.FfsFilesIA32]
!endif

  BlockSize          = 0x10000
  NumBlocks          = 8
  FvAlignment        = 16         #FV alignment and FV attributes setting.
  ERASE_POLARITY     = 1
  MEMORY_MAPPED      = TRUE
  STICKY_WRITE       = TRUE
  LOCK_CAP           = TRUE
  LOCK_STATUS        = TRUE
  WRITE_DISABLED_CAP = TRUE
  WRITE_ENABLED_CAP  = TRUE
  WRITE_STATUS       = TRUE
  WRITE_LOCK_CAP     = TRUE
  WRITE_LOCK_STATUS  = TRUE
  READ_DISABLED_CAP  = TRUE
  READ_ENABLED_CAP   = TRUE
  READ_STATUS        = TRUE
  READ_LOCK_CAP      = TRUE
  READ_LOCK_STATUS   = TRUE

  #
  # DXE Drivers (other .inf files for conversion to .ffs may be added here)
  #
  INF  OpenCorePkg/Staging/EnableGop/EnableGop.inf

!if ($(ARCH) == X64)
  [FV.EnableGopDirectX64]
!else
  [FV.EnableGopDirectIA32]
!endif

  BlockSize          = 0x10000
  NumBlocks          = 8
  FvAlignment        = 16         #FV alignment and FV attributes setting.
  ERASE_POLARITY     = 1
  MEMORY_MAPPED      = TRUE
  STICKY_WRITE       = TRUE
  LOCK_CAP           = TRUE
  LOCK_STATUS        = TRUE
  WRITE_DISABLED_CAP = TRUE
  WRITE_ENABLED_CAP  = TRUE
  WRITE_STATUS       = TRUE
  WRITE_LOCK_CAP     = TRUE
  WRITE_LOCK_STATUS  = TRUE
  READ_DISABLED_CAP  = TRUE
  READ_ENABLED_CAP   = TRUE
  READ_STATUS        = TRUE
  READ_LOCK_CAP      = TRUE
  READ_LOCK_STATUS   = TRUE

  #
  # DXE Drivers
  #

  #
  # EnableGopDirect intentionally has the same GUID as EnableGop, so it must go in a separate FV.
  # (We don't care about the FV, rather the intermediate FFS files which are generated during build.)
  #
  INF  OpenCorePkg/Staging/EnableGop/EnableGopDirect.inf

!endif

#
# Uses patched GenSec to support legacy TianoCompress compression, producing an ffs which matches
# those found in legacy Mac firmware.
#
# Removing the wrapping COMPRESS and GUIDED sections below gives an uncompressed ffs from non-patched
# tools which Mac legacy firmware can read (at about four times the size of the compressed version).
#
# Using standard (PI_STD) COMPRESS produces a compressed ffs which legacy Mac firmware cannot read.
#
# Note: `GUIDED A31280AD-481E-41B6-95E8-127F4C984779` with standard tools makes a Tiano compressed
# GUIDED section, but this is different from a Tiano compressed COMPRESS section and legacy Mac
# firmware also cannot read it.
#
[Rule.Common.DXE_DRIVER]
  FILE DRIVER = $(NAMED_GUID) Checksum {
    COMPRESS TIANO {
      GUIDED {
        DXE_DEPEX    DXE_DEPEX Optional      $(INF_OUTPUT)/$(MODULE_NAME).depex
        PE32         PE32                    $(INF_OUTPUT)/$(MODULE_NAME).efi
        UI           STRING="$(MODULE_NAME) $(VERSION_STRING)" Optional
      }
    }
  }