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Last change
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EFI/FirmwareNew: Make edk2-stable202308 build on all supported platforms (using gcc at least, msvc not tested yet), bugref:4643
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| 1 | ## Introduction of TrcaceHubDebugSysTLib ##
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| 2 | TrcaceHubDebugSysTLib library is a top level library for dumping Trace Hub messages.
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| 3 | It provides Trace Hub related APIs to dump Trace Hub message via MIPI SYS-T submodule.
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| 4 | User need to properly configure following Trace Hub related PCDs and HOB.
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| 5 | (See MdeModulePkg.dec to get detailed definition for PCDs below)
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| 6 | - PcdTraceHubDebugLevel
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| 7 | - PcdEnableTraceHubDebugMsg
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| 8 | - PcdTraceHubDebugMmioAddress
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| 9 | (See TraceHubDebugInfoHob.h to get detailed definition for HOB below)
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| 10 | - gTraceHubDebugInfoHobGuid
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| 11 |
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| 12 | ## BaseTraceHubDebugSysTLib.inf ##
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| 13 | System prints Trace Hub message in SEC/PEI/DXE/SMM based on fixed PCDs.
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| 14 | Only support single Trace Hub debug instance.
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| 15 |
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| 16 | ## PeiTraceHubDebugSysTLib.inf ##
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| 17 | System prints Trace Hub message in PEI based on fixed PCDs and HOB.
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| 18 | System applies Trace Hub HOB once it detect gTraceHubDebugInfoHobGuid HOB.
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| 19 | Trace Hub PCDs will be applied if no HOB exist.
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| 20 |
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| 21 | ## DxeSmmTraceHubDebugSysTLib.inf ##
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| 22 | System prints Trace Hub message in DXE/SMM based on fixed PCDs and HOB.
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| 23 | Trace Hub PCDs will be applied if no HOB exist.
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| 24 |
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| 25 | ## Note ##
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| 26 | Trace Hub debug library not support DXE_RUNTIME_DRIVER type of module currently.
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