diff options
Diffstat (limited to 'romfs/tools/create_crc.c')
| -rw-r--r-- | romfs/tools/create_crc.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/romfs/tools/create_crc.c b/romfs/tools/create_crc.c index 5a76b9c..e354339 100644 --- a/romfs/tools/create_crc.c +++ b/romfs/tools/create_crc.c @@ -10,6 +10,7 @@ * IBM Corporation - initial implementation *****************************************************************************/ +#include <assert.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> @@ -71,21 +72,18 @@ createHeaderImage(int notime) char dastr[16] = { 0, }; unsigned long long da = 0; - union { - unsigned char pcArray[FLASHFS_HEADER_DATA_SIZE]; - struct stH stHeader; - } uHeader; + struct stH stHeader; /* initialize Header */ - memset(uHeader.pcArray, 0x00, FLASHFS_HEADER_DATA_SIZE); + memset(&stHeader, 0x00, sizeof(stHeader)); /* read driver info */ if (NULL != (pcVersion = getenv("DRIVER_NAME"))) { - strncpy(uHeader.stHeader.version, pcVersion, 16); + strncpy(stHeader.version, pcVersion, 16); } else if (NULL != (pcVersion = getenv("USER"))) { - strncpy(uHeader.stHeader.version, pcVersion, 16); + strncpy(stHeader.version, pcVersion, 16); } else if (pcVersion == NULL) { - strncpy(uHeader.stHeader.version, "No known user!", 16); + strncpy(stHeader.version, "No known user!", 16); } if (!notime) { @@ -104,18 +102,18 @@ createHeaderImage(int notime) } da = cpu_to_be64(strtoll(dastr, NULL, 16)); } - memcpy(uHeader.stHeader.date, &da, 8); + memcpy(stHeader.date, &da, 8); /* write Magic value into data stream */ - strncpy(uHeader.stHeader.magic, FLASHFS_MAGIC, 8); + strncpy(stHeader.magic, FLASHFS_MAGIC, 8); /* write platform name into data stream */ - strcpy(uHeader.stHeader.platform_name, FLASHFS_PLATFORM_MAGIC); + strcpy(stHeader.platform_name, FLASHFS_PLATFORM_MAGIC); /* write platform revision into data stream */ - strcpy(uHeader.stHeader.platform_revision, FLASHFS_PLATFORM_REVISION); + strcpy(stHeader.platform_revision, FLASHFS_PLATFORM_REVISION); /* fill end of file info (8 bytes of FF) into data stream */ - uHeader.stHeader.ui64FileEnd = -1; + stHeader.ui64FileEnd = -1; /* read address of next file and address of header date, both are 64 bit values */ ui64RomAddr = 0; @@ -129,7 +127,7 @@ createHeaderImage(int notime) /* calculate final flash-header-size and flash-file-size */ /* calculate end addr of header */ - ui64globalHeaderSize = (uint32_t) ui64DataAddr + (uint32_t) FLASHFS_HEADER_DATA_SIZE; + ui64globalHeaderSize = (uint32_t) ui64DataAddr + sizeof(stHeader); /* cut 64 bit to place CRC for File-End */ ui64globalHeaderSize -= 8; /* add 64 bit to place CRC behind File-End */ @@ -143,8 +141,7 @@ createHeaderImage(int notime) /* fill free space in Header with zeros */ memset(&pucFileStream[ui64DataAddr], 0, (ui64RomAddr - ui64DataAddr)); /* place data to header */ - memcpy(&pucFileStream[ui64DataAddr], uHeader.pcArray, - FLASHFS_HEADER_DATA_SIZE); + memcpy(&pucFileStream[ui64DataAddr], &stHeader, sizeof(stHeader)); /* insert header length into data stream */ *(uint64_t *) (pucFileStream + FLASHFS_HEADER_SIZE_ADDR) = |