tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

IntelSiliconPkg: 0468303 caused to breaking the SMBIOS tables generation code 

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Chiu, Chasel <chasel.chiu@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chan, Amy <amy.chan@intel.com>

System test:
Smbios tables are correctly published on an intel internal platform.

 .../DxeSmbiosDataHobLib/DxeSmbiosDataHobLib.c      | 134 +++------------------
 1 file changed, 14 insertions(+), 120 deletions(-)
This commit is contained in:
Chan, Amy 2016-12-16 15:10:45 +08:00 committed by Jiewen Yao
parent 3b4640ee56
commit f0c1e9ae88
1 changed files with 13 additions and 119 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

132
IntelSiliconPkg/Library/DxeSmbiosDataHobLib/DxeSmbiosDataHobLib.c
View File

@ -27,95 +27,6 @@
#include <Library/UefiBootServicesTableLib.h>
#include <Protocol/Smbios.h>
/**
Get the full size of SMBIOS structure including optional strings that follow the formatted structure.
@note: This function is copy from SmbiosDxe in MdeModulePkg.
@param[in] This The EFI_SMBIOS_PROTOCOL instance.
@param[in] Head Pointer to the beginning of SMBIOS structure.
@param[out] Size The returned size.
@param[out] NumberOfStrings The returned number of optional strings that follow the formatted structure.
@retval EFI_SUCCESS Size returned in Size.
@retval EFI_INVALID_PARAMETER Input SMBIOS structure mal-formed or Size is NULL.
**/
EFI_STATUS
EFIAPI
GetSmbiosStructureSize (
IN CONST EFI_SMBIOS_PROTOCOL *This,
IN EFI_SMBIOS_TABLE_HEADER *Head,
OUT UINTN *Size,
OUT UINTN *NumberOfStrings
)
{
UINTN FullSize;
UINTN StrLen;
UINTN MaxLen;
INT8* CharInStr;
if (Size == NULL || NumberOfStrings == NULL) {
return EFI_INVALID_PARAMETER;
}
FullSize = Head->Length;
CharInStr = (INT8*)Head + Head->Length;
*Size = FullSize;
*NumberOfStrings = 0;
StrLen = 0;
//
// look for the two consecutive zeros, check the string limit by the way.
//
while (*CharInStr != 0 || *(CharInStr+1) != 0) {
if (*CharInStr == 0) {
*Size += 1;
CharInStr++;
}
if (This->MajorVersion < 2 || (This->MajorVersion == 2 && This->MinorVersion < 7)) {
MaxLen = SMBIOS_STRING_MAX_LENGTH;
} else if (This->MajorVersion < 3) {
//
// Reference SMBIOS 2.7, chapter 6.1.3, it will have no limit on the length of each individual text string.
// However, the length of the entire structure table (including all strings) must be reported
// in the Structure Table Length field of the SMBIOS Structure Table Entry Point,
// which is a WORD field limited to 65,535 bytes.
//
MaxLen = SMBIOS_TABLE_MAX_LENGTH;
} else {
//
// SMBIOS 3.0 defines the Structure table maximum size as DWORD field limited to 0xFFFFFFFF bytes.
// Locate the end of string as long as possible.
//
MaxLen = SMBIOS_3_0_TABLE_MAX_LENGTH;
}
for (StrLen = 0 ; StrLen < MaxLen; StrLen++) {
if (*(CharInStr+StrLen) == 0) {
break;
}
}
if (StrLen == MaxLen) {
return EFI_INVALID_PARAMETER;
}
//
// forward the pointer
//
CharInStr += StrLen;
*Size += StrLen;
*NumberOfStrings += 1;
}
//
// count ending two zeros.
//
*Size += 2;
return EFI_SUCCESS;
}
/**
Adds SMBIOS records to tables
@ -138,12 +49,8 @@ DxeSmbiosDataHobLibConstructor (
EFI_SMBIOS_HANDLE SmbiosHandle;
EFI_SMBIOS_PROTOCOL *Smbios;
EFI_STATUS Status;
UINTN InstalledPayloadSize;
UINTN MaxPayloadSize;
UINT8 *RecordPtr;
UINT16 RecordCount;
UINTN StructureSize;
UINTN NumberOfStrings;
RecordCount = 0;
@ -151,42 +58,29 @@ DxeSmbiosDataHobLibConstructor (
Status = gBS->LocateProtocol (&gEfiSmbiosProtocolGuid, NULL, (VOID **)&Smbios);
if (Smbios == NULL) {
DEBUG ((DEBUG_WARN, " Can't locate SMBIOS protocol\n"));
DEBUG ((DEBUG_WARN, "Can't locate SMBIOS protocol\n"));
return EFI_UNSUPPORTED;
}
///
/// Get SMBIOS HOB data
/// Get SMBIOS HOB data (each hob contains one SMBIOS record)
///
for (Hob.Raw = GetHobList (); !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB (Hob)) {
if ((GET_HOB_TYPE (Hob) == EFI_HOB_TYPE_GUID_EXTENSION) && (CompareGuid (&Hob.Guid->Name, &gIntelSmbiosDataHobGuid))) {
RecordPtr = (UINT8 *)Hob.Raw + sizeof (EFI_HOB_GUID_TYPE);
MaxPayloadSize = Hob.Guid->Header.HobLength - sizeof (EFI_HOB_GUID_TYPE);
RecordPtr = GET_GUID_HOB_DATA (Hob.Raw);
InstalledPayloadSize = 0;
do {
StructureSize = 0;
Status = GetSmbiosStructureSize (Smbios, (EFI_SMBIOS_TABLE_HEADER *)RecordPtr, &StructureSize, &NumberOfStrings);
if ((Status == EFI_SUCCESS) && (InstalledPayloadSize + StructureSize <= MaxPayloadSize)) {
InstalledPayloadSize += StructureSize;
///
/// Add generic SMBIOS HOB to SMBIOS table
///
DEBUG ((DEBUG_VERBOSE, " Add SMBIOS record type: %x\n", ((EFI_SMBIOS_TABLE_HEADER *) RecordPtr)->Type));
SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
Status = Smbios->Add (Smbios, NULL, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) RecordPtr);
if (!EFI_ERROR (Status)) {
RecordPtr += StructureSize;
RecordCount++;
}
} else {
break;
}
} while (TRUE);
///
/// Add generic SMBIOS HOB to SMBIOS table
///
DEBUG ((DEBUG_VERBOSE, "Add SMBIOS record type: %x\n", ((EFI_SMBIOS_TABLE_HEADER *) RecordPtr)->Type));
SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
Status = Smbios->Add (Smbios, NULL, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) RecordPtr);
if (!EFI_ERROR (Status)) {
RecordCount++;
}
}
}
DEBUG ((DEBUG_INFO, " Found %d Records and added to SMBIOS table.\n", RecordCount));
DEBUG ((DEBUG_INFO, "Found %d Records and added to SMBIOS table.\n", RecordCount));
return EFI_SUCCESS;
}