On 4/23/20 11:53 AM, Anthony PERARD wrote:
Remove support for DEBUG_ON_SERIAL_PORT because OvmfXen can't be build
with it due to a circular dependency:
   DebugLib        : BaseDebugLibSerialPort ->
   SerialPortLib   : XenConsoleSerialPortLib ->
   XenHypercallLib : XenHypercallLib ->
   DebugLib

Also, if that dependency is fixed, I think it would be harder to find
which console the debug is sent to when running an HVM guest. The xen
console isn't the serial console used by default. Furthermore,
XenHypercallLib isn't initialised early enough, so we would loose
debug output from the SEC phase and early PEI phase.

Signed-off-by: Anthony PERARD <anthony.per...@citrix.com>
Reviewed-by: Laszlo Ersek <ler...@redhat.com>
---
  OvmfPkg/OvmfXen.dsc | 40 +---------------------------------------
  1 file changed, 1 insertion(+), 39 deletions(-)

diff --git a/OvmfPkg/OvmfXen.dsc b/OvmfPkg/OvmfXen.dsc
index 47ee8db8b884..4859faf1bff7 100644
--- a/OvmfPkg/OvmfXen.dsc
+++ b/OvmfPkg/OvmfXen.dsc
@@ -205,17 +205,14 @@ [LibraryClasses]
    
Tcg2PhysicalPresenceLib|OvmfPkg/Library/Tcg2PhysicalPresenceLibNull/DxeTcg2PhysicalPresenceLib.inf
    
TpmMeasurementLib|MdeModulePkg/Library/TpmMeasurementLibNull/TpmMeasurementLibNull.inf
    RealTimeClockLib|OvmfPkg/Library/XenRealTimeClockLib/XenRealTimeClockLib.inf
+  DebugLib|OvmfPkg/Library/PlatformDebugLibIoPort/PlatformDebugLibIoPort.inf
[LibraryClasses.common]
    BaseCryptLib|CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
[LibraryClasses.common.SEC]
    QemuFwCfgLib|OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgSecLib.inf
-!ifdef $(DEBUG_ON_SERIAL_PORT)
-  DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
-!else
    
DebugLib|OvmfPkg/Library/PlatformDebugLibIoPort/PlatformRomDebugLibIoPort.inf
-!endif
    
ReportStatusCodeLib|MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
    
ExtractGuidedSectionLib|MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
  !if $(SOURCE_DEBUG_ENABLE) == TRUE
@@ -236,11 +233,6 @@ [LibraryClasses.common.PEI_CORE]
    
ReportStatusCodeLib|MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
    
OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
    
PeCoffGetEntryPointLib|MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
-!ifdef $(DEBUG_ON_SERIAL_PORT)
-  DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
-!else
-  DebugLib|OvmfPkg/Library/PlatformDebugLibIoPort/PlatformDebugLibIoPort.inf
-!endif
    PeCoffLib|MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
[LibraryClasses.common.PEIM]
@@ -252,11 +244,6 @@ [LibraryClasses.common.PEIM]
    
ReportStatusCodeLib|MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
    
OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
    
PeCoffGetEntryPointLib|MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
-!ifdef $(DEBUG_ON_SERIAL_PORT)
-  DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
-!else
-  DebugLib|OvmfPkg/Library/PlatformDebugLibIoPort/PlatformDebugLibIoPort.inf
-!endif
    PeCoffLib|MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
    
ResourcePublicationLib|MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.inf
    
ExtractGuidedSectionLib|MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
@@ -274,11 +261,6 @@ [LibraryClasses.common.DXE_CORE]
    DxeCoreEntryPoint|MdePkg/Library/DxeCoreEntryPoint/DxeCoreEntryPoint.inf
    
MemoryAllocationLib|MdeModulePkg/Library/DxeCoreMemoryAllocationLib/DxeCoreMemoryAllocationLib.inf
    
ReportStatusCodeLib|MdeModulePkg/Library/DxeReportStatusCodeLib/DxeReportStatusCodeLib.inf
-!ifdef $(DEBUG_ON_SERIAL_PORT)
-  DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
-!else
-  DebugLib|OvmfPkg/Library/PlatformDebugLibIoPort/PlatformDebugLibIoPort.inf
-!endif
    
ExtractGuidedSectionLib|MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.inf
  !if $(SOURCE_DEBUG_ENABLE) == TRUE
    DebugAgentLib|SourceLevelDebugPkg/Library/DebugAgent/DxeDebugAgentLib.inf
@@ -292,11 +274,6 @@ [LibraryClasses.common.DXE_RUNTIME_DRIVER]
    DxeCoreEntryPoint|MdePkg/Library/DxeCoreEntryPoint/DxeCoreEntryPoint.inf
    
MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
    
ReportStatusCodeLib|MdeModulePkg/Library/RuntimeDxeReportStatusCodeLib/RuntimeDxeReportStatusCodeLib.inf
-!ifdef $(DEBUG_ON_SERIAL_PORT)
-  DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
-!else
-  DebugLib|OvmfPkg/Library/PlatformDebugLibIoPort/PlatformDebugLibIoPort.inf
-!endif
    UefiRuntimeLib|MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf
    BaseCryptLib|CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf
    PciLib|OvmfPkg/Library/DxePciLibI440FxQ35/DxePciLibI440FxQ35.inf
@@ -308,11 +285,6 @@ [LibraryClasses.common.UEFI_DRIVER]
    DxeCoreEntryPoint|MdePkg/Library/DxeCoreEntryPoint/DxeCoreEntryPoint.inf
    
MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
    
ReportStatusCodeLib|MdeModulePkg/Library/DxeReportStatusCodeLib/DxeReportStatusCodeLib.inf
-!ifdef $(DEBUG_ON_SERIAL_PORT)
-  DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
-!else
-  DebugLib|OvmfPkg/Library/PlatformDebugLibIoPort/PlatformDebugLibIoPort.inf
-!endif
    UefiScsiLib|MdePkg/Library/UefiScsiLib/UefiScsiLib.inf
    PciLib|OvmfPkg/Library/DxePciLibI440FxQ35/DxePciLibI440FxQ35.inf
@@ -322,11 +294,6 @@ [LibraryClasses.common.DXE_DRIVER]
    
MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
    
ReportStatusCodeLib|MdeModulePkg/Library/DxeReportStatusCodeLib/DxeReportStatusCodeLib.inf
    UefiScsiLib|MdePkg/Library/UefiScsiLib/UefiScsiLib.inf
-!ifdef $(DEBUG_ON_SERIAL_PORT)
-  DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
-!else
-  DebugLib|OvmfPkg/Library/PlatformDebugLibIoPort/PlatformDebugLibIoPort.inf
-!endif
    
PlatformBootManagerLib|OvmfPkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf
    
PlatformBmPrintScLib|OvmfPkg/Library/PlatformBmPrintScLib/PlatformBmPrintScLib.inf
    QemuBootOrderLib|OvmfPkg/Library/QemuBootOrderLib/QemuBootOrderLib.inf
@@ -344,11 +311,6 @@ [LibraryClasses.common.UEFI_APPLICATION]
    HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
    
MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
    
ReportStatusCodeLib|MdeModulePkg/Library/DxeReportStatusCodeLib/DxeReportStatusCodeLib.inf
-!ifdef $(DEBUG_ON_SERIAL_PORT)
-  DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
-!else
-  DebugLib|OvmfPkg/Library/PlatformDebugLibIoPort/PlatformDebugLibIoPort.inf
-!endif
    PciLib|OvmfPkg/Library/DxePciLibI440FxQ35/DxePciLibI440FxQ35.inf
################################################################################


Reviewed-by: Philippe Mathieu-Daude <phi...@redhat.com>


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