Files
system76-edk2/MdeModulePkg/Library/TraceHubDebugSysTLib/InternalTraceHubApi.c
Gua Guo 0f0422cedc MdeModulePkg: Add TraceHubDebugSysTLib library
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4144

This Library provides API to dump Trace Hub message.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Guo Gua <gua.guo@intel.com>
Cc: Chan Laura <laura.chan@intel.com>
Cc: Prakashan Krishnadas Veliyathuparambil <krishnadas.veliyathuparambil.prakashan@intel.com>
Cc: K N Karthik <karthik.k.n@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Guo Gua <gua.guo@intel.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: K N Karthik <karthik.k.n@intel.com>
Reviewed-by: Chan Laura <laura.chan@intel.com>
Acked-by: Liming Gao <gaoliming@byosoft.com.cn>
2023-05-11 07:26:38 +00:00

75 lines
2.0 KiB
C

/** @file
Functions implementation in this file are not common for all type of TraceHubDebugSysTLib.
Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Base.h>
#include <Guid/TraceHubDebugInfoHob.h>
#include <Library/BaseMemoryLib.h>
#include <Library/HobLib.h>
#include "InternalTraceHubApi.h"
/**
Count the total number of Trace Hub debug instance in the system.
@retval UINT32 The total number of Trace Hub debug instance in the system.
**/
UINT32
EFIAPI
CountThDebugInstance (
VOID
)
{
UINT8 *DbgContext;
UINT32 DbgInstCount;
DbgInstCount = 0;
DbgContext = (UINT8 *)GetFirstGuidHob (&gTraceHubDebugInfoHobGuid);
if (DbgContext != NULL) {
while (DbgContext != NULL) {
DbgInstCount++;
DbgContext = (UINT8 *)GetNextGuidHob (&gTraceHubDebugInfoHobGuid, GET_NEXT_HOB (DbgContext));
}
} else {
DbgInstCount++;
}
return DbgInstCount;
}
/**
Pack Trace Hub debug instances in the system.
@param[in, out] ThPtr A pointer to TRACEHUB_DEBUG_INFO_HOB structure.
@param[in] Count Number of Trace Hub HOBs.
**/
VOID
EFIAPI
PackThDebugInstance (
IN OUT TRACEHUB_DEBUG_INFO_HOB *ThPtr,
IN UINT32 Count
)
{
UINT8 *DbgContext;
UINT16 Index;
DbgContext = GetFirstGuidHob (&gTraceHubDebugInfoHobGuid);
if (DbgContext != NULL) {
for (Index = 0; Index < Count; Index++) {
CopyMem (&ThPtr[Index], GET_GUID_HOB_DATA (DbgContext), sizeof (TRACEHUB_DEBUG_INFO_HOB));
DbgContext = GetNextGuidHob (&gTraceHubDebugInfoHobGuid, GET_NEXT_HOB (DbgContext));
}
} else {
for (Index = 0; Index < Count; Index++) {
ThPtr[Index].TraceHubMmioAddress = FixedPcdGet64 (PcdTraceHubDebugMmioAddress);
ThPtr[Index].Flag = FixedPcdGetBool (PcdEnableTraceHubDebugMsg);
ThPtr[Index].DebugLevel = FixedPcdGet8 (PcdTraceHubDebugLevel);
}
}
}