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/** @file
System prints Trace Hub message in SEC/PEI/DXE/SMM based on fixed PCDs.
Only support single Trace Hub debug instance.
Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Base.h>
#include <Library/BaseLib.h>
#include <Library/PcdLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/TraceHubDebugSysTLib.h>
#include <Library/MipiSysTLib.h>
#include <Library/MipiSysTLib/mipi_syst.h>
#include <Guid/TraceHubDebugInfoHob.h>
#include "InternalTraceHubApiCommon.h"
#include "InternalTraceHubApi.h"
/**
Write debug string to specified Trace Hub MMIO address.
@param[in] SeverityType Severity type of input message.
@param[in] Buffer A pointer to the data buffer.
@param[in] NumberOfBytes The size of data buffer.
@retval RETURN_SUCCESS Data was written to Trace Hub.
@retval Other Failed to output Trace Hub message.
**/
RETURN_STATUS
EFIAPI
TraceHubSysTDebugWrite (
IN TRACE_HUB_SEVERITY_TYPE SeverityType,
IN UINT8 *Buffer,
IN UINTN NumberOfBytes
)
{
MIPI_SYST_HANDLE MipiSystHandle;
MIPI_SYST_HEADER MipiSystHeader;
RETURN_STATUS Status;
UINT32 DbgInstCount;
UINT16 Index;
if (NumberOfBytes == 0) {
//
// No data need to be written to Trace Hub
//
return RETURN_SUCCESS;
}
if (Buffer == NULL) {
return RETURN_INVALID_PARAMETER;
}
DbgInstCount = CountThDebugInstance ();
ZeroMem (&MipiSystHandle, sizeof (MIPI_SYST_HANDLE));
MipiSystHandle.systh_header = &MipiSystHeader;
Status = InitMipiSystHandle (&MipiSystHandle);
if (RETURN_ERROR (Status)) {
return Status;
}
for (Index = 0; Index < DbgInstCount; Index++) {
Status = CheckWhetherToOutputMsg (
&MipiSystHandle,
NULL,
SeverityType,
TraceHubDebugType
);
if (!RETURN_ERROR (Status)) {
Status = MipiSystWriteDebug (
&MipiSystHandle,
SeverityType,
(UINT16)NumberOfBytes,
(CHAR8 *)Buffer
);
if (RETURN_ERROR (Status)) {
break;
}
}
}
return Status;
}
/**
Write catalog status code message to specified Trace Hub MMIO address.
@param[in] SeverityType Severity type of input message.
@param[in] Id Catalog ID.
@param[in] Guid Driver Guid.
@retval RETURN_SUCCESS Data was written to Trace Hub.
@retval Other Failed to output Trace Hub message.
**/
RETURN_STATUS
EFIAPI
TraceHubSysTWriteCataLog64StatusCode (
IN TRACE_HUB_SEVERITY_TYPE SeverityType,
IN UINT64 Id,
IN GUID *Guid
)
{
MIPI_SYST_HANDLE MipiSystHandle;
MIPI_SYST_HEADER MipiSystHeader;
RETURN_STATUS Status;
UINT32 DbgInstCount;
UINT16 Index;
if (Guid == NULL) {
return RETURN_INVALID_PARAMETER;
}
DbgInstCount = CountThDebugInstance ();
ZeroMem (&MipiSystHandle, sizeof (MIPI_SYST_HANDLE));
MipiSystHandle.systh_header = &MipiSystHeader;
Status = InitMipiSystHandle (&MipiSystHandle);
if (RETURN_ERROR (Status)) {
return Status;
}
SwapBytesGuid (Guid, (GUID *)(VOID *)&MipiSystHandle.systh_guid);
MipiSystHandle.systh_tag.et_guid = 1;
for (Index = 0; Index < DbgInstCount; Index++) {
Status = CheckWhetherToOutputMsg (
&MipiSystHandle,
NULL,
SeverityType,
TraceHubCatalogType
);
if (!RETURN_ERROR (Status)) {
Status = MipiSystWriteCatalog (
&MipiSystHandle,
SeverityType,
Id
);
if (RETURN_ERROR (Status)) {
break;
}
}
}
return Status;
}
/**
Write catalog message to specified Trace Hub MMIO address.
@param[in] SeverityType Severity type of input message.
@param[in] Id Catalog ID.
@param[in] NumberOfParams Number of entries in argument list.
@param[in] ... Catalog message parameters.
@retval RETURN_SUCCESS Data was written to Trace Hub.
@retval Other Failed to output Trace Hub message.
**/
RETURN_STATUS
EFIAPI
TraceHubSysTWriteCataLog64 (
IN TRACE_HUB_SEVERITY_TYPE SeverityType,
IN UINT64 Id,
IN UINTN NumberOfParams,
...
)
{
MIPI_SYST_HANDLE MipiSystHandle;
MIPI_SYST_HEADER MipiSystHeader;
VA_LIST Args;
UINTN Index;
RETURN_STATUS Status;
UINT32 DbgInstCount;
DbgInstCount = 0;
if (NumberOfParams > sizeof (MipiSystHandle.systh_param) / sizeof (UINT32)) {
return RETURN_INVALID_PARAMETER;
}
DbgInstCount = CountThDebugInstance ();
ZeroMem (&MipiSystHandle, sizeof (MIPI_SYST_HANDLE));
MipiSystHandle.systh_header = &MipiSystHeader;
Status = InitMipiSystHandle (&MipiSystHandle);
if (RETURN_ERROR (Status)) {
return Status;
}
MipiSystHandle.systh_param_count = (UINT32)NumberOfParams;
VA_START (Args, NumberOfParams);
for (Index = 0; Index < NumberOfParams; Index++) {
MipiSystHandle.systh_param[Index] = VA_ARG (Args, UINT32);
}
VA_END (Args);
for (Index = 0; Index < DbgInstCount; Index++) {
Status = CheckWhetherToOutputMsg (
&MipiSystHandle,
NULL,
SeverityType,
TraceHubCatalogType
);
if (!RETURN_ERROR (Status)) {
Status = MipiSystWriteCatalog (
&MipiSystHandle,
SeverityType,
Id
);
if (RETURN_ERROR (Status)) {
break;
}
}
}
return Status;
}
/**
Collect 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
)
{
UINT32 DbgInstCount;
//
// 1 from PCD.
//
DbgInstCount = 1;
return DbgInstCount;
}
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