This library will parse the coreboot table in memory and extract those required\r
information.\r
\r
- Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
IN UINTN Length\r
)\r
{\r
- UINT32 Sum, TmpValue;\r
- UINTN Idx;\r
- UINT8 *TmpPtr;\r
- \r
- Sum = 0;\r
- TmpPtr = (UINT8 *)Buffer;\r
- for(Idx = 0; Idx < Length; Idx++) {\r
- TmpValue = TmpPtr[Idx];\r
- if (Idx % 2 == 1) {\r
- TmpValue <<= 8;\r
- }\r
- \r
- Sum += TmpValue;\r
- \r
- // Wrap\r
- if (Sum >= 0x10000) {\r
- Sum = (Sum + (Sum >> 16)) & 0xFFFF;\r
- }\r
- }\r
- \r
- return (UINT16)((~Sum) & 0xFFFF); \r
+ UINT32 Sum, TmpValue;\r
+ UINTN Idx;\r
+ UINT8 *TmpPtr;\r
+\r
+ Sum = 0;\r
+ TmpPtr = (UINT8 *)Buffer;\r
+ for(Idx = 0; Idx < Length; Idx++) {\r
+ TmpValue = TmpPtr[Idx];\r
+ if (Idx % 2 == 1) {\r
+ TmpValue <<= 8;\r
+ }\r
+\r
+ Sum += TmpValue;\r
+\r
+ // Wrap\r
+ if (Sum >= 0x10000) {\r
+ Sum = (Sum + (Sum >> 16)) & 0xFFFF;\r
+ }\r
+ }\r
+\r
+ return (UINT16)((~Sum) & 0xFFFF);\r
}\r
\r
VOID *\r
{\r
struct cb_header *Header;\r
struct cb_record *Record;\r
- UINT8 *TmpPtr; \r
- UINT8 *TagPtr; \r
- UINTN Idx; \r
+ UINT8 *TmpPtr;\r
+ UINT8 *TagPtr;\r
+ UINTN Idx;\r
UINT16 CheckSum;\r
- \r
+\r
Header = NULL;\r
TmpPtr = (UINT8 *)Start;\r
for (Idx = 0; Idx < 4096; Idx += 16, TmpPtr += 16) {\r
break;\r
}\r
}\r
- \r
+\r
if (Idx >= 4096)\r
- return NULL;\r
- \r
+ return NULL;\r
+\r
if (Header == NULL || !Header->table_bytes)\r
return NULL;\r
- \r
+\r
//\r
// Check the checksum of the coreboot table header\r
//\r
CheckSum = CbCheckSum16 ((UINT16 *)Header, sizeof (*Header));\r
if (CheckSum != 0) {\r
- DEBUG ((EFI_D_ERROR, "Invalid coreboot table header checksum\n"));\r
- return NULL;\r
- } \r
- \r
+ DEBUG ((EFI_D_ERROR, "Invalid coreboot table header checksum\n"));\r
+ return NULL;\r
+ }\r
+\r
CheckSum = CbCheckSum16 ((UINT16 *)(TmpPtr + sizeof (*Header)), Header->table_bytes);\r
if (CheckSum != Header->table_checksum) {\r
- DEBUG ((EFI_D_ERROR, "Incorrect checksum of all the coreboot table entries\n"));\r
- return NULL;\r
+ DEBUG ((EFI_D_ERROR, "Incorrect checksum of all the coreboot table entries\n"));\r
+ return NULL;\r
}\r
- \r
+\r
TagPtr = NULL;\r
TmpPtr += Header->header_bytes;\r
for (Idx = 0; Idx < Header->table_entries; Idx++) {\r
- Record = (struct cb_record *)TmpPtr; \r
+ Record = (struct cb_record *)TmpPtr;\r
if (Record->tag == CB_TAG_FORWARD) {\r
TmpPtr = (VOID *)(UINTN)((struct cb_forward *)(UINTN)Record)->forward;\r
if (Tag == CB_TAG_FORWARD)\r
return TmpPtr;\r
- else \r
+ else\r
return FindCbTag (TmpPtr, Tag);\r
- } \r
+ }\r
if (Record->tag == Tag) {\r
TagPtr = TmpPtr;\r
break;\r
}\r
- TmpPtr += Record->size; \r
+ TmpPtr += Record->size;\r
}\r
- \r
+\r
return TagPtr;\r
}\r
\r
RETURN_STATUS\r
-FindCbMemTable ( \r
- struct cbmem_root *root,\r
- IN UINT32 TableId, \r
- IN VOID** pMemTable,\r
- IN UINT32* pMemTableSize\r
-)\r
-{ \r
- UINTN Idx;\r
- \r
- if ((!root) || (!pMemTable))\r
- return RETURN_INVALID_PARAMETER;\r
- \r
- for (Idx = 0; Idx < root->num_entries; Idx++) {\r
- if (root->entries[Idx].id == TableId) {\r
- *pMemTable = (VOID *) (UINTN)root->entries[Idx].start;\r
- if (pMemTableSize)\r
- *pMemTableSize = root->entries[Idx].size;\r
- \r
- DEBUG ((EFI_D_ERROR, "Find CbMemTable Id 0x%x, base %p, size 0x%x\n", TableId, *pMemTable, *pMemTableSize));\r
- return RETURN_SUCCESS;\r
+FindCbMemTable (\r
+ IN struct cbmem_root *Root,\r
+ IN UINT32 TableId,\r
+ OUT VOID **pMemTable,\r
+ OUT UINT32 *pMemTableSize\r
+ )\r
+{\r
+ UINTN Idx;\r
+ BOOLEAN IsImdEntry;\r
+ struct cbmem_entry *Entries;\r
+\r
+ if ((Root == NULL) || (pMemTable == NULL)) {\r
+ return RETURN_INVALID_PARAMETER;\r
+ }\r
+ //\r
+ // Check if the entry is CBMEM or IMD\r
+ // and handle them separately\r
+ //\r
+ Entries = Root->entries;\r
+ if (Entries[0].magic == CBMEM_ENTRY_MAGIC) {\r
+ IsImdEntry = FALSE;\r
+ } else {\r
+ Entries = (struct cbmem_entry *)((struct imd_root *)Root)->entries;\r
+ if (Entries[0].magic == IMD_ENTRY_MAGIC) {\r
+ IsImdEntry = TRUE;\r
+ } else {\r
+ return RETURN_NOT_FOUND;\r
}\r
}\r
- \r
- return RETURN_NOT_FOUND; \r
+\r
+ for (Idx = 0; Idx < Root->num_entries; Idx++) {\r
+ if (Entries[Idx].id == TableId) {\r
+ if (IsImdEntry) {\r
+ *pMemTable = (VOID *) ((UINTN)Entries[Idx].start + (UINTN)Root);\r
+ } else {\r
+ *pMemTable = (VOID *) (UINTN)Entries[Idx].start;\r
+ }\r
+ if (pMemTableSize != NULL) {\r
+ *pMemTableSize = Entries[Idx].size;\r
+ }\r
+\r
+ DEBUG ((EFI_D_INFO, "Find CbMemTable Id 0x%x, base %p, size 0x%x\n", TableId, *pMemTable, *pMemTableSize));\r
+ return RETURN_SUCCESS;\r
+ }\r
+ }\r
+\r
+ return RETURN_NOT_FOUND;\r
}\r
\r
\r
IN UINT64* pHighMemorySize\r
)\r
{\r
- struct cb_memory* rec;\r
- struct cb_memory_range* Range;\r
+ struct cb_memory* rec;\r
+ struct cb_memory_range* Range;\r
UINT64 Start;\r
UINT64 Size;\r
- UINTN Index;\r
- \r
- if ((!pLowMemorySize) || (!pHighMemorySize))\r
- return RETURN_INVALID_PARAMETER;\r
- \r
- //\r
- // Get the coreboot memory table\r
- //\r
- rec = (struct cb_memory *)FindCbTag (0, CB_TAG_MEMORY);\r
- if (!rec) \r
- rec = (struct cb_memory *)FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_MEMORY);\r
- \r
- if (!rec) \r
- return RETURN_NOT_FOUND;\r
- \r
- *pLowMemorySize = 0;\r
- *pHighMemorySize = 0;\r
- \r
- for (Index = 0; Index < MEM_RANGE_COUNT(rec); Index++) {\r
- Range = MEM_RANGE_PTR(rec, Index); \r
+ UINTN Index;\r
+\r
+ if ((!pLowMemorySize) || (!pHighMemorySize))\r
+ return RETURN_INVALID_PARAMETER;\r
+\r
+ //\r
+ // Get the coreboot memory table\r
+ //\r
+ rec = (struct cb_memory *)FindCbTag (0, CB_TAG_MEMORY);\r
+ if (!rec)\r
+ rec = (struct cb_memory *)FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_MEMORY);\r
+\r
+ if (!rec)\r
+ return RETURN_NOT_FOUND;\r
+\r
+ *pLowMemorySize = 0;\r
+ *pHighMemorySize = 0;\r
+\r
+ for (Index = 0; Index < MEM_RANGE_COUNT(rec); Index++) {\r
+ Range = MEM_RANGE_PTR(rec, Index);\r
Start = cb_unpack64(Range->start);\r
Size = cb_unpack64(Range->size);\r
DEBUG ((EFI_D_ERROR, "%d. %016lx - %016lx [%02x]\n",\r
- Index, Start, Start + Size - 1, Range->type));\r
- \r
+ Index, Start, Start + Size - 1, Range->type));\r
+\r
if (Range->type != CB_MEM_RAM) {\r
continue;\r
}\r
- \r
+\r
if (Start + Size < 0x100000000ULL) {\r
*pLowMemorySize = Start + Size;\r
- } else { \r
+ } else {\r
*pHighMemorySize = Start + Size - 0x100000000ULL;\r
}\r
}\r
- \r
+\r
DEBUG ((EFI_D_ERROR, "Low memory 0x%lx, High Memory 0x%lx\n", *pLowMemorySize, *pHighMemorySize));\r
- \r
- return RETURN_SUCCESS; \r
+\r
+ return RETURN_SUCCESS;\r
}\r
\r
\r
**/\r
RETURN_STATUS\r
CbParseCbMemTable (\r
- IN UINT32 TableId, \r
+ IN UINT32 TableId,\r
IN VOID** pMemTable,\r
IN UINT32* pMemTableSize\r
)\r
{\r
- struct cb_memory* rec;\r
- struct cb_memory_range* Range;\r
+ struct cb_memory* rec;\r
+ struct cb_memory_range* Range;\r
UINT64 Start;\r
UINT64 Size;\r
- UINTN Index;\r
- \r
- if (!pMemTable)\r
- return RETURN_INVALID_PARAMETER;\r
- \r
- *pMemTable = NULL;\r
- \r
- //\r
- // Get the coreboot memory table\r
- //\r
- rec = (struct cb_memory *)FindCbTag (0, CB_TAG_MEMORY);\r
- if (!rec)\r
- rec = (struct cb_memory *)FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_MEMORY);\r
- \r
- if (!rec)\r
- return RETURN_NOT_FOUND;\r
- \r
- for (Index = 0; Index < MEM_RANGE_COUNT(rec); Index++) {\r
- Range = MEM_RANGE_PTR(rec, Index); \r
+ UINTN Index;\r
+\r
+ if (!pMemTable)\r
+ return RETURN_INVALID_PARAMETER;\r
+\r
+ *pMemTable = NULL;\r
+\r
+ //\r
+ // Get the coreboot memory table\r
+ //\r
+ rec = (struct cb_memory *)FindCbTag (0, CB_TAG_MEMORY);\r
+ if (!rec)\r
+ rec = (struct cb_memory *)FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_MEMORY);\r
+\r
+ if (!rec)\r
+ return RETURN_NOT_FOUND;\r
+\r
+ for (Index = 0; Index < MEM_RANGE_COUNT(rec); Index++) {\r
+ Range = MEM_RANGE_PTR(rec, Index);\r
Start = cb_unpack64(Range->start);\r
Size = cb_unpack64(Range->size);\r
- \r
+\r
if ((Range->type == CB_MEM_TABLE) && (Start > 0x1000)) {\r
- if (FindCbMemTable ((struct cbmem_root *)(UINTN)(Start + Size - DYN_CBMEM_ALIGN_SIZE), TableId, pMemTable, pMemTableSize) == RETURN_SUCCESS)\r
- return RETURN_SUCCESS;\r
+ if (FindCbMemTable ((struct cbmem_root *)(UINTN)(Start + Size - DYN_CBMEM_ALIGN_SIZE), TableId, pMemTable, pMemTableSize) == RETURN_SUCCESS)\r
+ return RETURN_SUCCESS;\r
}\r
}\r
- \r
- return RETURN_NOT_FOUND;\r
+\r
+ return RETURN_NOT_FOUND;\r
}\r
\r
\r
**/\r
RETURN_STATUS\r
CbParseAcpiTable (\r
- IN VOID* pMemTable,\r
- IN UINT32* pMemTableSize\r
+ IN VOID **pMemTable,\r
+ IN UINT32 *pMemTableSize\r
)\r
{\r
- return CbParseCbMemTable (SIGNATURE_32 ('I', 'P', 'C', 'A'), (VOID **)pMemTable, pMemTableSize); \r
+ return CbParseCbMemTable (SIGNATURE_32 ('I', 'P', 'C', 'A'), pMemTable, pMemTableSize);\r
}\r
\r
/**\r
IN UINT32* pMemTableSize\r
)\r
{\r
- return CbParseCbMemTable (SIGNATURE_32 ('T', 'B', 'M', 'S'), pMemTable, pMemTableSize); \r
+ return CbParseCbMemTable (SIGNATURE_32 ('T', 'B', 'M', 'S'), pMemTable, pMemTableSize);\r
}\r
\r
/**\r
IN UINTN* pResetValue\r
)\r
{\r
- EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER* Rsdp;\r
- EFI_ACPI_DESCRIPTION_HEADER* Rsdt;\r
+ EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER* Rsdp;\r
+ EFI_ACPI_DESCRIPTION_HEADER* Rsdt;\r
UINT32* Entry32;\r
UINTN Entry32Num;\r
EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE* Fadt;\r
- EFI_ACPI_DESCRIPTION_HEADER* Xsdt; \r
+ EFI_ACPI_DESCRIPTION_HEADER* Xsdt;\r
UINT64* Entry64;\r
UINTN Entry64Num;\r
- UINTN Idx;\r
- RETURN_STATUS Status;\r
- \r
- Rsdp = NULL;\r
- Status = RETURN_SUCCESS;\r
- \r
- Status = CbParseAcpiTable (&Rsdp, NULL);\r
- if (RETURN_ERROR(Status))\r
- return Status;\r
- \r
- if (!Rsdp)\r
- return RETURN_NOT_FOUND;\r
- \r
- DEBUG ((EFI_D_ERROR, "Find Rsdp at %p\n", Rsdp));\r
- DEBUG ((EFI_D_ERROR, "Find Rsdt 0x%x, Xsdt 0x%lx\n", Rsdp->RsdtAddress, Rsdp->XsdtAddress));\r
- \r
- //\r
- // Search Rsdt First\r
- //\r
- Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)(Rsdp->RsdtAddress); \r
- if (Rsdt != NULL) {\r
- Entry32 = (UINT32 *)(Rsdt + 1);\r
- Entry32Num = (Rsdt->Length - sizeof(EFI_ACPI_DESCRIPTION_HEADER)) >> 2;\r
- for (Idx = 0; Idx < Entry32Num; Idx++) {\r
- if (*(UINT32 *)(UINTN)(Entry32[Idx]) == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r
- Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)(UINTN)(Entry32[Idx]); \r
- if (pPmCtrlReg)\r
- *pPmCtrlReg = Fadt->Pm1aCntBlk; \r
- DEBUG ((EFI_D_ERROR, "PmCtrl Reg 0x%x\n", Fadt->Pm1aCntBlk));\r
- \r
- if (pPmTimerReg) \r
- *pPmTimerReg = Fadt->PmTmrBlk; \r
- DEBUG ((EFI_D_ERROR, "PmTimer Reg 0x%x\n", Fadt->PmTmrBlk));\r
- \r
- if (pResetReg) \r
- *pResetReg = (UINTN)Fadt->ResetReg.Address; \r
- DEBUG ((EFI_D_ERROR, "Reset Reg 0x%lx\n", Fadt->ResetReg.Address));\r
- \r
- if (pResetValue) \r
- *pResetValue = Fadt->ResetValue;\r
- DEBUG ((EFI_D_ERROR, "Reset Value 0x%x\n", Fadt->ResetValue));\r
- \r
- return RETURN_SUCCESS; \r
- }\r
- }\r
- }\r
- \r
- //\r
- // Search Xsdt Second\r
- //\r
- Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)(Rsdp->XsdtAddress); \r
- if (Xsdt != NULL) {\r
- Entry64 = (UINT64 *)(Xsdt + 1);\r
- Entry64Num = (Xsdt->Length - sizeof(EFI_ACPI_DESCRIPTION_HEADER)) >> 3;\r
- for (Idx = 0; Idx < Entry64Num; Idx++) {\r
- if (*(UINT32 *)(UINTN)(Entry64[Idx]) == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r
- Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)(UINTN)(Entry64[Idx]); \r
- if (pPmCtrlReg)\r
- *pPmCtrlReg = Fadt->Pm1aCntBlk; \r
- DEBUG ((EFI_D_ERROR, "PmCtrl Reg 0x%x\n", Fadt->Pm1aCntBlk));\r
- \r
- if (pPmTimerReg) \r
- *pPmTimerReg = Fadt->PmTmrBlk; \r
- DEBUG ((EFI_D_ERROR, "PmTimer Reg 0x%x\n", Fadt->PmTmrBlk));\r
- \r
- if (pResetReg) \r
- *pResetReg = (UINTN)Fadt->ResetReg.Address; \r
- DEBUG ((EFI_D_ERROR, "Reset Reg 0x%lx\n", Fadt->ResetReg.Address));\r
- \r
- if (pResetValue) \r
- *pResetValue = Fadt->ResetValue;\r
- DEBUG ((EFI_D_ERROR, "Reset Value 0x%x\n", Fadt->ResetValue));\r
- \r
- return RETURN_SUCCESS; \r
- }\r
- }\r
- } \r
- \r
- return RETURN_NOT_FOUND;\r
+ UINTN Idx;\r
+ RETURN_STATUS Status;\r
+\r
+ Rsdp = NULL;\r
+ Status = RETURN_SUCCESS;\r
+\r
+ Status = CbParseAcpiTable (&Rsdp, NULL);\r
+ if (RETURN_ERROR(Status))\r
+ return Status;\r
+\r
+ if (!Rsdp)\r
+ return RETURN_NOT_FOUND;\r
+\r
+ DEBUG ((EFI_D_ERROR, "Find Rsdp at %p\n", Rsdp));\r
+ DEBUG ((EFI_D_ERROR, "Find Rsdt 0x%x, Xsdt 0x%lx\n", Rsdp->RsdtAddress, Rsdp->XsdtAddress));\r
+\r
+ //\r
+ // Search Rsdt First\r
+ //\r
+ Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)(Rsdp->RsdtAddress);\r
+ if (Rsdt != NULL) {\r
+ Entry32 = (UINT32 *)(Rsdt + 1);\r
+ Entry32Num = (Rsdt->Length - sizeof(EFI_ACPI_DESCRIPTION_HEADER)) >> 2;\r
+ for (Idx = 0; Idx < Entry32Num; Idx++) {\r
+ if (*(UINT32 *)(UINTN)(Entry32[Idx]) == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r
+ Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)(UINTN)(Entry32[Idx]);\r
+ if (pPmCtrlReg)\r
+ *pPmCtrlReg = Fadt->Pm1aCntBlk;\r
+ DEBUG ((EFI_D_ERROR, "PmCtrl Reg 0x%x\n", Fadt->Pm1aCntBlk));\r
+\r
+ if (pPmTimerReg)\r
+ *pPmTimerReg = Fadt->PmTmrBlk;\r
+ DEBUG ((EFI_D_ERROR, "PmTimer Reg 0x%x\n", Fadt->PmTmrBlk));\r
+\r
+ if (pResetReg)\r
+ *pResetReg = (UINTN)Fadt->ResetReg.Address;\r
+ DEBUG ((EFI_D_ERROR, "Reset Reg 0x%lx\n", Fadt->ResetReg.Address));\r
+\r
+ if (pResetValue)\r
+ *pResetValue = Fadt->ResetValue;\r
+ DEBUG ((EFI_D_ERROR, "Reset Value 0x%x\n", Fadt->ResetValue));\r
+\r
+ return RETURN_SUCCESS;\r
+ }\r
+ }\r
+ }\r
+\r
+ //\r
+ // Search Xsdt Second\r
+ //\r
+ Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *)(UINTN)(Rsdp->XsdtAddress);\r
+ if (Xsdt != NULL) {\r
+ Entry64 = (UINT64 *)(Xsdt + 1);\r
+ Entry64Num = (Xsdt->Length - sizeof(EFI_ACPI_DESCRIPTION_HEADER)) >> 3;\r
+ for (Idx = 0; Idx < Entry64Num; Idx++) {\r
+ if (*(UINT32 *)(UINTN)(Entry64[Idx]) == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {\r
+ Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)(UINTN)(Entry64[Idx]);\r
+ if (pPmCtrlReg)\r
+ *pPmCtrlReg = Fadt->Pm1aCntBlk;\r
+ DEBUG ((EFI_D_ERROR, "PmCtrl Reg 0x%x\n", Fadt->Pm1aCntBlk));\r
+\r
+ if (pPmTimerReg)\r
+ *pPmTimerReg = Fadt->PmTmrBlk;\r
+ DEBUG ((EFI_D_ERROR, "PmTimer Reg 0x%x\n", Fadt->PmTmrBlk));\r
+\r
+ if (pResetReg)\r
+ *pResetReg = (UINTN)Fadt->ResetReg.Address;\r
+ DEBUG ((EFI_D_ERROR, "Reset Reg 0x%lx\n", Fadt->ResetReg.Address));\r
+\r
+ if (pResetValue)\r
+ *pResetValue = Fadt->ResetValue;\r
+ DEBUG ((EFI_D_ERROR, "Reset Value 0x%x\n", Fadt->ResetValue));\r
+\r
+ return RETURN_SUCCESS;\r
+ }\r
+ }\r
+ }\r
+\r
+ return RETURN_NOT_FOUND;\r
}\r
\r
/**\r
IN UINT32* pBaudrate\r
)\r
{\r
- struct cb_serial* CbSerial;\r
- \r
- CbSerial = FindCbTag (0, CB_TAG_SERIAL);\r
- if (!CbSerial)\r
- CbSerial = FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_SERIAL);\r
- \r
- if (!CbSerial)\r
- return RETURN_NOT_FOUND;\r
- \r
- if (pRegBase)\r
- *pRegBase = CbSerial->baseaddr;\r
- \r
- if (pRegAccessType)\r
- *pRegAccessType = CbSerial->type;\r
- \r
- if (pBaudrate)\r
- *pBaudrate = CbSerial->baud;\r
- \r
- return RETURN_SUCCESS;\r
+ struct cb_serial* CbSerial;\r
+\r
+ CbSerial = FindCbTag (0, CB_TAG_SERIAL);\r
+ if (!CbSerial)\r
+ CbSerial = FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_SERIAL);\r
+\r
+ if (!CbSerial)\r
+ return RETURN_NOT_FOUND;\r
+\r
+ if (pRegBase)\r
+ *pRegBase = CbSerial->baseaddr;\r
+\r
+ if (pRegAccessType)\r
+ *pRegAccessType = CbSerial->type;\r
+\r
+ if (pBaudrate)\r
+ *pBaudrate = CbSerial->baud;\r
+\r
+ return RETURN_SUCCESS;\r
}\r
\r
/**\r
IN VOID** HeaderPtr\r
)\r
{\r
- UINTN Index;\r
- VOID* TempPtr;\r
- \r
- if (!HeaderPtr)\r
- return RETURN_NOT_FOUND;\r
- \r
- TempPtr = NULL; \r
- for (Index = 0; Index < Level; Index++) {\r
- TempPtr = FindCbTag (TempPtr, CB_TAG_FORWARD);\r
- if (!TempPtr)\r
- break; \r
- }\r
- \r
- if ((Index >= Level) && (TempPtr != NULL)) {\r
- *HeaderPtr = TempPtr;\r
- return RETURN_SUCCESS;\r
- }\r
- \r
- return RETURN_NOT_FOUND;\r
+ UINTN Index;\r
+ VOID* TempPtr;\r
+\r
+ if (!HeaderPtr)\r
+ return RETURN_NOT_FOUND;\r
+\r
+ TempPtr = NULL;\r
+ for (Index = 0; Index < Level; Index++) {\r
+ TempPtr = FindCbTag (TempPtr, CB_TAG_FORWARD);\r
+ if (!TempPtr)\r
+ break;\r
+ }\r
+\r
+ if ((Index >= Level) && (TempPtr != NULL)) {\r
+ *HeaderPtr = TempPtr;\r
+ return RETURN_SUCCESS;\r
+ }\r
+\r
+ return RETURN_NOT_FOUND;\r
}\r
\r
/**\r
IN FRAME_BUFFER_INFO* pFbInfo\r
)\r
{\r
- struct cb_framebuffer* CbFbRec;\r
- \r
- if (!pFbInfo)\r
- return RETURN_INVALID_PARAMETER;\r
- \r
- CbFbRec = FindCbTag (0, CB_TAG_FRAMEBUFFER);\r
- if (!CbFbRec)\r
- CbFbRec = FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_FRAMEBUFFER);\r
- \r
- if (!CbFbRec)\r
- return RETURN_NOT_FOUND;\r
- \r
+ struct cb_framebuffer* CbFbRec;\r
+\r
+ if (!pFbInfo)\r
+ return RETURN_INVALID_PARAMETER;\r
+\r
+ CbFbRec = FindCbTag (0, CB_TAG_FRAMEBUFFER);\r
+ if (!CbFbRec)\r
+ CbFbRec = FindCbTag ((VOID *)(UINTN)PcdGet32 (PcdCbHeaderPointer), CB_TAG_FRAMEBUFFER);\r
+\r
+ if (!CbFbRec)\r
+ return RETURN_NOT_FOUND;\r
+\r
DEBUG ((EFI_D_ERROR, "Found coreboot video frame buffer information\n"));\r
DEBUG ((EFI_D_ERROR, "physical_address: 0x%lx\n", CbFbRec->physical_address));\r
DEBUG ((EFI_D_ERROR, "x_resolution: 0x%x\n", CbFbRec->x_resolution));\r
DEBUG ((EFI_D_ERROR, "y_resolution: 0x%x\n", CbFbRec->y_resolution));\r
DEBUG ((EFI_D_ERROR, "bits_per_pixel: 0x%x\n", CbFbRec->bits_per_pixel));\r
DEBUG ((EFI_D_ERROR, "bytes_per_line: 0x%x\n", CbFbRec->bytes_per_line));\r
- \r
+\r
DEBUG ((EFI_D_ERROR, "red_mask_size: 0x%x\n", CbFbRec->red_mask_size));\r
DEBUG ((EFI_D_ERROR, "red_mask_pos: 0x%x\n", CbFbRec->red_mask_pos));\r
DEBUG ((EFI_D_ERROR, "green_mask_size: 0x%x\n", CbFbRec->green_mask_size));\r
DEBUG ((EFI_D_ERROR, "blue_mask_pos: 0x%x\n", CbFbRec->blue_mask_pos));\r
DEBUG ((EFI_D_ERROR, "reserved_mask_size: 0x%x\n", CbFbRec->reserved_mask_size));\r
DEBUG ((EFI_D_ERROR, "reserved_mask_pos: 0x%x\n", CbFbRec->reserved_mask_pos));\r
- \r
- pFbInfo->LinearFrameBuffer = CbFbRec->physical_address; \r
+\r
+ pFbInfo->LinearFrameBuffer = CbFbRec->physical_address;\r
pFbInfo->HorizontalResolution = CbFbRec->x_resolution;\r
pFbInfo->VerticalResolution = CbFbRec->y_resolution;\r
pFbInfo->BitsPerPixel = CbFbRec->bits_per_pixel;\r
pFbInfo->Blue.Mask = (1 << CbFbRec->blue_mask_size) - 1;\r
pFbInfo->Blue.Position = CbFbRec->blue_mask_pos;\r
pFbInfo->Reserved.Mask = (1 << CbFbRec->reserved_mask_size) - 1;\r
- pFbInfo->Reserved.Position = CbFbRec->reserved_mask_pos; \r
- \r
- return RETURN_SUCCESS;\r
-}\r
+ pFbInfo->Reserved.Position = CbFbRec->reserved_mask_pos;\r
\r
+ return RETURN_SUCCESS;\r
+}\r
\r
projects / mirror_edk2.git / blobdiff