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ArmVirtPkg: add QemuFwCfg null library instances to common DSC

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PlatformPeiLib consumes QemuFwCfgSimpleParserLib, but ArmVirtXen.dsc
provided no resolution for it or its dependency QemuFwCfgLib, causing:

  error 4000: Instance of library class [QemuFwCfgSimpleParserLib]
  is not found for module [ArmVirtPrePiUniCoreRelocatable.inf],
  consumed by PlatformPeiLib.inf

Wire up QemuFwCfgLibNull and QemuFwCfgSimpleParserLib in the common
ArmVirt.dsc.inc so all platforms without fw_cfg fail gracefully.
ArmVirtCloudHv.dsc already carried the same null pair; both per-DSC
copies are removed now that the common default covers them.
ArmVirtQemu and ArmVirtQemuKernel continue to override with their
real MMIO implementations.

Fixes: f4bbef1dd7 ("ArmVirtPkg: introduce compile and runtime control of serial debug log level")
Reported-by: Pierre Gondois <pierre.gondois@arm.com>
Signed-off-by: Luigi Leonardi <leonardi@redhat.com>
This commit is contained in:
Luigi Leonardi 2026-07-23 16:51:38 +02:00 • committed by Ard Biesheuvel
parent e11670b379
commit 82cfea329c
2 changed files with 2 additions and 2 deletions
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2
ArmVirtPkg/ArmVirt.dsc.inc
View file

@ -121,6 +121,8 @@ DEFINE FD_SIZE_IN_MB = 3
# Virtio Support
VirtioLib|OvmfPkg/Library/VirtioLib/VirtioLib.inf
VirtioMmioDeviceLib|OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceLib.inf
QemuFwCfgLib|OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibNull.inf
QemuFwCfgSimpleParserLib|OvmfPkg/Library/QemuFwCfgSimpleParserLib/QemuFwCfgSimpleParserLib.inf
#
# Misc

2
ArmVirtPkg/ArmVirtCloudHv.dsc
View file

@ -46,8 +46,6 @@
TpmPlatformHierarchyLib|SecurityPkg/Library/PeiDxeTpmPlatformHierarchyLibNull/PeiDxeTpmPlatformHierarchyLib.inf
ArmTransferListLib|ArmPkg/Library/ArmTransferListLib/ArmTransferListLib.inf
QemuFwCfgLib|OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgLibNull.inf
QemuFwCfgSimpleParserLib|OvmfPkg/Library/QemuFwCfgSimpleParserLib/QemuFwCfgSimpleParserLib.inf
!include MdePkg/MdeLibs.dsc.inc