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OvmfPkg/OvmfXen: Introduce DEBUG_ON_HYPERVISOR_CONSOLE build flag 

Introduce DEBUG_ON_HYPERVISOR_CONSOLE build flag to enable logging
debug output to the Xen console.

This will work with both Xen HVM guest and Xen PVH guest whereas the
default PlatformDebugLibIoPort works only in HVM when QEMU is present.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <20200423095358.2518197-6-anthony.perard@citrix.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Anthony PERARD 2020-04-23 10:53:58 +01:00 committed by mergify[bot]
parent a91443885d
commit 3a402f9611
1 changed files with 11 additions and 0 deletions
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11
OvmfPkg/OvmfXen.dsc
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@ -205,14 +205,20 @@
Tcg2PhysicalPresenceLib|OvmfPkg/Library/Tcg2PhysicalPresenceLibNull/DxeTcg2PhysicalPresenceLib.inf
TpmMeasurementLib|MdeModulePkg/Library/TpmMeasurementLibNull/TpmMeasurementLibNull.inf
RealTimeClockLib|OvmfPkg/Library/XenRealTimeClockLib/XenRealTimeClockLib.inf
!ifdef $(DEBUG_ON_HYPERVISOR_CONSOLE)
DebugLib|OvmfPkg/Library/PlatformDebugLibIoPort/PlatformRomDebugLibIoPortNocheck.inf
!else
DebugLib|OvmfPkg/Library/PlatformDebugLibIoPort/PlatformDebugLibIoPort.inf
!endif
[LibraryClasses.common]
BaseCryptLib|CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
[LibraryClasses.common.SEC]
QemuFwCfgLib|OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgSecLib.inf
!ifndef $(DEBUG_ON_HYPERVISOR_CONSOLE)
DebugLib|OvmfPkg/Library/PlatformDebugLibIoPort/PlatformRomDebugLibIoPort.inf
!endif
ReportStatusCodeLib|MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
ExtractGuidedSectionLib|MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
!if $(SOURCE_DEBUG_ENABLE) == TRUE
@ -409,6 +415,11 @@
#
!include NetworkPkg/NetworkPcds.dsc.inc
!ifdef $(DEBUG_ON_HYPERVISOR_CONSOLE)
## Set Xen's debug IO port for PlatformDebugLibIoPort
gUefiOvmfPkgTokenSpaceGuid.PcdDebugIoPort|0xe9
!endif
# IRQs 5, 9, 10, 11 are level-triggered
gUefiOvmfPkgTokenSpaceGuid.Pcd8259LegacyModeEdgeLevel|0x0E20