+++ /dev/null
-/*++\r
-\r
-Copyright (c) 2004, Intel Corporation \r
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
-Module Name:\r
-\r
- CommonLib.c\r
-\r
-Abstract:\r
-\r
- Common Library Functions\r
- \r
---*/\r
-\r
-#include <stdio.h>\r
-#include <string.h>\r
-#include <stdlib.h>\r
-#include "CommonLib.h"\r
-\r
-VOID\r
-PeiZeroMem (\r
- IN VOID *Buffer,\r
- IN UINTN Size\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Set Buffer to zero for Size bytes.\r
-\r
-Arguments:\r
-\r
- Buffer - Memory to set.\r
-\r
- Size - Number of bytes to set\r
-\r
-Returns:\r
-\r
- None\r
-\r
---*/\r
-{\r
- INT8 *Ptr;\r
-\r
- Ptr = Buffer;\r
- while (Size--) {\r
- *(Ptr++) = 0;\r
- }\r
-}\r
-\r
-VOID\r
-PeiCopyMem (\r
- IN VOID *Destination,\r
- IN VOID *Source,\r
- IN UINTN Length\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Copy Length bytes from Source to Destination.\r
-\r
-Arguments:\r
-\r
- Destination - Target of copy\r
-\r
- Source - Place to copy from\r
-\r
- Length - Number of bytes to copy\r
-\r
-Returns:\r
-\r
- None\r
-\r
---*/\r
-{\r
- CHAR8 *Destination8;\r
- CHAR8 *Source8;\r
-\r
- Destination8 = Destination;\r
- Source8 = Source;\r
- while (Length--) {\r
- *(Destination8++) = *(Source8++);\r
- }\r
-}\r
-\r
-VOID\r
-ZeroMem (\r
- IN VOID *Buffer,\r
- IN UINTN Size\r
- )\r
-{\r
- PeiZeroMem (Buffer, Size);\r
-}\r
-\r
-VOID\r
-CopyMem (\r
- IN VOID *Destination,\r
- IN VOID *Source,\r
- IN UINTN Length\r
- )\r
-{\r
- PeiCopyMem (Destination, Source, Length);\r
-}\r
-\r
-INTN\r
-CompareGuid (\r
- IN EFI_GUID *Guid1,\r
- IN EFI_GUID *Guid2\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Compares to GUIDs\r
-\r
-Arguments:\r
-\r
- Guid1 - guid to compare\r
- Guid2 - guid to compare\r
-\r
-Returns:\r
- = 0 if Guid1 == Guid2\r
- != 0 if Guid1 != Guid2 \r
-\r
---*/\r
-{\r
- INT32 *g1;\r
- INT32 *g2;\r
- INT32 r;\r
-\r
- //\r
- // Compare 32 bits at a time\r
- //\r
- g1 = (INT32 *) Guid1;\r
- g2 = (INT32 *) Guid2;\r
-\r
- r = g1[0] - g2[0];\r
- r |= g1[1] - g2[1];\r
- r |= g1[2] - g2[2];\r
- r |= g1[3] - g2[3];\r
-\r
- return r;\r
-}\r
-\r
-EFI_STATUS\r
-GetFileImage (\r
- IN CHAR8 *InputFileName,\r
- OUT CHAR8 **InputFileImage,\r
- OUT UINT32 *BytesRead\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- This function opens a file and reads it into a memory buffer. The function \r
- will allocate the memory buffer and returns the size of the buffer.\r
-\r
-Arguments:\r
-\r
- InputFileName The name of the file to read.\r
- InputFileImage A pointer to the memory buffer.\r
- BytesRead The size of the memory buffer.\r
-\r
-Returns:\r
-\r
- EFI_SUCCESS The function completed successfully.\r
- EFI_INVALID_PARAMETER One of the input parameters was invalid.\r
- EFI_ABORTED An error occurred.\r
- EFI_OUT_OF_RESOURCES No resource to complete operations.\r
-\r
---*/\r
-{\r
- FILE *InputFile;\r
- UINT32 FileSize;\r
-\r
- //\r
- // Verify input parameters.\r
- //\r
- if (InputFileName == NULL || strlen (InputFileName) == 0 || InputFileImage == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- //\r
- // Open the file and copy contents into a memory buffer.\r
- //\r
- //\r
- // Open the file\r
- //\r
- InputFile = fopen (InputFileName, "rb");\r
- if (InputFile == NULL) {\r
- printf ("ERROR: Could not open input file \"%s\".\n", InputFileName);\r
- return EFI_ABORTED;\r
- }\r
- //\r
- // Go to the end so that we can determine the file size\r
- //\r
- if (fseek (InputFile, 0, SEEK_END)) {\r
- printf ("ERROR: System error reading input file \"%s\".\n", InputFileName);\r
- fclose (InputFile);\r
- return EFI_ABORTED;\r
- }\r
- //\r
- // Get the file size\r
- //\r
- FileSize = ftell (InputFile);\r
- if (FileSize == -1) {\r
- printf ("ERROR: System error parsing input file \"%s\".\n", InputFileName);\r
- fclose (InputFile);\r
- return EFI_ABORTED;\r
- }\r
- //\r
- // Allocate a buffer\r
- //\r
- *InputFileImage = malloc (FileSize);\r
- if (*InputFileImage == NULL) {\r
- fclose (InputFile);\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
- //\r
- // Reset to the beginning of the file\r
- //\r
- if (fseek (InputFile, 0, SEEK_SET)) {\r
- printf ("ERROR: System error reading input file \"%s\".\n", InputFileName);\r
- fclose (InputFile);\r
- free (*InputFileImage);\r
- *InputFileImage = NULL;\r
- return EFI_ABORTED;\r
- }\r
- //\r
- // Read all of the file contents.\r
- //\r
- *BytesRead = fread (*InputFileImage, sizeof (UINT8), FileSize, InputFile);\r
- if (*BytesRead != sizeof (UINT8) * FileSize) {\r
- printf ("ERROR: Reading file \"%s\"%i.\n", InputFileName);\r
- fclose (InputFile);\r
- free (*InputFileImage);\r
- *InputFileImage = NULL;\r
- return EFI_ABORTED;\r
- }\r
- //\r
- // Close the file\r
- //\r
- fclose (InputFile);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-UINT8\r
-CalculateChecksum8 (\r
- IN UINT8 *Buffer,\r
- IN UINTN Size\r
- )\r
-/*++\r
- \r
-Routine Description:\r
-\r
- This function calculates the value needed for a valid UINT8 checksum\r
-\r
-Arguments:\r
-\r
- Buffer Pointer to buffer containing byte data of component.\r
- Size Size of the buffer\r
-\r
-Returns:\r
-\r
- The 8 bit checksum value needed.\r
-\r
---*/\r
-{\r
- return (UINT8) (0x100 - CalculateSum8 (Buffer, Size));\r
-}\r
-\r
-UINT8\r
-CalculateSum8 (\r
- IN UINT8 *Buffer,\r
- IN UINTN Size\r
- )\r
-/*++\r
- \r
-Routine Description::\r
-\r
- This function calculates the UINT8 sum for the requested region.\r
-\r
-Arguments:\r
-\r
- Buffer Pointer to buffer containing byte data of component.\r
- Size Size of the buffer\r
-\r
-Returns:\r
-\r
- The 8 bit checksum value needed.\r
-\r
---*/\r
-{\r
- UINTN Index;\r
- UINT8 Sum;\r
-\r
- Sum = 0;\r
-\r
- //\r
- // Perform the byte sum for buffer\r
- //\r
- for (Index = 0; Index < Size; Index++) {\r
- Sum = (UINT8) (Sum + Buffer[Index]);\r
- }\r
-\r
- return Sum;\r
-}\r
-\r
-UINT16\r
-CalculateChecksum16 (\r
- IN UINT16 *Buffer,\r
- IN UINTN Size\r
- )\r
-/*++\r
- \r
-Routine Description::\r
-\r
- This function calculates the value needed for a valid UINT16 checksum\r
-\r
-Arguments:\r
-\r
- Buffer Pointer to buffer containing byte data of component.\r
- Size Size of the buffer\r
-\r
-Returns:\r
-\r
- The 16 bit checksum value needed.\r
-\r
---*/\r
-{\r
- return (UINT16) (0x10000 - CalculateSum16 (Buffer, Size));\r
-}\r
-\r
-UINT16\r
-CalculateSum16 (\r
- IN UINT16 *Buffer,\r
- IN UINTN Size\r
- )\r
-/*++\r
- \r
-Routine Description:\r
-\r
- This function calculates the UINT16 sum for the requested region.\r
-\r
-Arguments:\r
-\r
- Buffer Pointer to buffer containing byte data of component.\r
- Size Size of the buffer\r
-\r
-Returns:\r
-\r
- The 16 bit checksum\r
-\r
---*/\r
-{\r
- UINTN Index;\r
- UINT16 Sum;\r
-\r
- Sum = 0;\r
-\r
- //\r
- // Perform the word sum for buffer\r
- //\r
- for (Index = 0; Index < Size; Index++) {\r
- Sum = (UINT16) (Sum + Buffer[Index]);\r
- }\r
-\r
- return (UINT16) Sum;\r
-}\r
-\r
-EFI_STATUS\r
-PrintGuid (\r
- IN EFI_GUID *Guid\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- This function prints a GUID to STDOUT.\r
-\r
-Arguments:\r
-\r
- Guid Pointer to a GUID to print.\r
-\r
-Returns:\r
-\r
- EFI_SUCCESS The GUID was printed.\r
- EFI_INVALID_PARAMETER The input was NULL.\r
-\r
---*/\r
-{\r
- if (Guid == NULL) {\r
- printf ("ERROR: PrintGuid called with a NULL value.\n");\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- printf (\r
- "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",\r
- Guid->Data1,\r
- Guid->Data2,\r
- Guid->Data3,\r
- Guid->Data4[0],\r
- Guid->Data4[1],\r
- Guid->Data4[2],\r
- Guid->Data4[3],\r
- Guid->Data4[4],\r
- Guid->Data4[5],\r
- Guid->Data4[6],\r
- Guid->Data4[7]\r
- );\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-PrintGuidToBuffer (\r
- IN EFI_GUID *Guid,\r
- IN OUT UINT8 *Buffer,\r
- IN UINT32 BufferLen,\r
- IN BOOLEAN Uppercase\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- This function prints a GUID to a buffer\r
-\r
-Arguments:\r
-\r
- Guid - Pointer to a GUID to print.\r
- Buffer - Pointer to a user-provided buffer to print to\r
- BufferLen - Size of the Buffer\r
- Uppercase - If use upper case.\r
-\r
-Returns:\r
-\r
- EFI_SUCCESS The GUID was printed.\r
- EFI_INVALID_PARAMETER The input was NULL.\r
- EFI_BUFFER_TOO_SMALL The input buffer was not big enough\r
- \r
---*/\r
-{\r
- if (Guid == NULL) {\r
- printf ("ERROR: PrintGuidToBuffer() called with a NULL value\n");\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- if (BufferLen < PRINTED_GUID_BUFFER_SIZE) {\r
- printf ("ERORR: PrintGuidToBuffer() called with invalid buffer size\n");\r
- return EFI_BUFFER_TOO_SMALL;\r
- }\r
-\r
- if (Uppercase) {\r
- sprintf (\r
- Buffer,\r
- "%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X",\r
- Guid->Data1,\r
- Guid->Data2,\r
- Guid->Data3,\r
- Guid->Data4[0],\r
- Guid->Data4[1],\r
- Guid->Data4[2],\r
- Guid->Data4[3],\r
- Guid->Data4[4],\r
- Guid->Data4[5],\r
- Guid->Data4[6],\r
- Guid->Data4[7]\r
- );\r
- } else {\r
- sprintf (\r
- Buffer,\r
- "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",\r
- Guid->Data1,\r
- Guid->Data2,\r
- Guid->Data3,\r
- Guid->Data4[0],\r
- Guid->Data4[1],\r
- Guid->Data4[2],\r
- Guid->Data4[3],\r
- Guid->Data4[4],\r
- Guid->Data4[5],\r
- Guid->Data4[6],\r
- Guid->Data4[7]\r
- );\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-#ifdef __GNUC__\r
-\r
-size_t _filelength(int fd)\r
-{\r
- struct stat stat_buf;\r
- fstat(fd, &stat_buf);\r
- return stat_buf.st_size;\r
-}\r
-\r
-#ifndef __CYGWIN__\r
-char *strlwr(char *s)\r
-{\r
- char *p = s;\r
- for(;*s;s++) {\r
- *s = tolower(*s);\r
- }\r
- return p;\r
-}\r
-#endif\r
-#endif\r
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