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178 lines
13 KiB
C
178 lines
13 KiB
C
#ifndef __BCM63XX_TAG_H
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#define __BCM63XX_TAG_H
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#define IMAGE_LEN 10 /* Length of Length Field */
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#define ADDRESS_LEN 12 /* Length of Address field */
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#define TAGID_LEN 6 /* Length of tag ID */
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#define TAGINFO_LEN 20 /* Length of vendor information field in tag */
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#define TAGVER_LEN 4 /* Length of Tag Version */
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#define NUM_TAGID 5
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#define IMAGETAG_CRC_START 0xFFFFFFFF
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struct tagiddesc_t {
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char tagid[TAGID_LEN + 1];
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char tagiddesc[80];
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};
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// what is called bc308 may actually be BT Voyager-specific
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// bc310 should be right
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#define TAGID_DEFINITIONS { \
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{ "bccfe", "Broadcom CFE flash image" }, \
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{ "bc300", "Broadcom code version 3.00-3.06 and all ftp/tftp flash" }, \
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{ "ag306", "Alice Gate (Pirelli, based on Broadcom 3.06)" }, \
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{ "bc308", "Broadcom code version 3.08" }, \
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{ "bc310", "Broadcom code version 3.10-3.12" }, \
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}
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struct bcm_tag_bccfe {
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unsigned char tagVersion[TAGVER_LEN]; // 0-3: Version of the image tag
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unsigned char sig_1[20]; // 4-23: Company Line 1
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unsigned char sig_2[14]; // 24-37: Company Line 2
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unsigned char chipid[6]; // 38-43: Chip this image is for
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unsigned char boardid[16]; // 44-59: Board name
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unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
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unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
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unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
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unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
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unsigned char rootAddress[ADDRESS_LEN]; // 94-105: Address in memory of rootfs
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unsigned char rootLength[IMAGE_LEN]; // 106-115: Size of rootfs
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unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
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unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
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unsigned char dualImage[2]; // 138-139: Unused at present
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unsigned char inactiveFlag[2]; // 140-141: Unused at present
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unsigned char information1[TAGINFO_LEN]; // 142-161: Unused at present
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unsigned char tagId[TAGID_LEN]; // 162-167: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
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unsigned char tagIdCRC[4]; // 168-171: CRC32 of tagId
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unsigned char reserved1[44]; // 172-215: Reserved area not in use
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unsigned char imageCRC[4]; // 216-219: CRC32 of images
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unsigned char reserved2[16]; // 220-235: Unused at present
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unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
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unsigned char reserved3[16]; // 240-255: Unused at present
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};
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struct bcm_tag_bc300 {
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unsigned char tagVersion[4]; // 0-3: Version of the image tag
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unsigned char sig_1[20]; // 4-23: Company Line 1
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unsigned char sig_2[14]; // 24-37: Company Line 2
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unsigned char chipid[6]; // 38-43: Chip this image is for
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unsigned char boardid[16]; // 44-59: Board name
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unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
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unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
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unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
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unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
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unsigned char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of kernel (start of image)
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unsigned char flashRootLength[IMAGE_LEN]; // 106-115: Size of rootfs + deadcode (web flash uses this + kernelLength to determine the size of the kernel+rootfs flash image)
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unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
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unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
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unsigned char dualImage[2]; // 138-139: Unused at present
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unsigned char inactiveFlag[2]; // 140-141: Unused at present
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unsigned char information1[TAGINFO_LEN]; // 142-161: Unused at present
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unsigned char tagId[TAGID_LEN]; // 162-167: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
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unsigned char tagIdCRC[4]; // 168-173: CRC32 to ensure validity of tagId
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unsigned char rootAddress[ADDRESS_LEN]; // 174-183: Address in memory of rootfs partition
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unsigned char rootLength[IMAGE_LEN]; // 184-193: Size of rootfs partition
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unsigned char reserved1[22]; // 194-215: Reserved area not in use
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unsigned char imageCRC[4]; // 216-219: CRC32 of images
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unsigned char reserved2[16]; // 220-235: Unused at present
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unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
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unsigned char reserved3[16]; // 240-255: Unused at present
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};
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struct bcm_tag_ag306 {
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unsigned char tagVersion[4]; // 0-3: Version of the image tag
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unsigned char sig_1[20]; // 4-23: Company Line 1
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unsigned char sig_2[14]; // 24-37: Company Line 2
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unsigned char chipid[6]; // 38-43: Chip this image is for
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unsigned char boardid[16]; // 44-59: Board name
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unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
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unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
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unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
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unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
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unsigned char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of kernel (start of image)
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unsigned char flashRootLength[IMAGE_LEN]; // 106-115: Size of rootfs + deadcode (web flash uses this + kernelLength to determine the size of the kernel+rootfs flash image)
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unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
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unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
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unsigned char dualImage[2]; // 138-139: Unused at present
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unsigned char inactiveFlag[2]; // 140-141: Unused at present
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unsigned char information1[TAGINFO_LEN]; // 142-161: Unused at present
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unsigned char information2[54]; // 162-215: Compilation and related information (not generated/used by OpenWRT)
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unsigned char kernelCRC[4] ; // 216-219: CRC32 of images
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unsigned char rootAddress[ADDRESS_LEN]; // 220-231: Address in memory of rootfs partition
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unsigned char tagIdCRC[4]; // 232-235: Checksum to ensure validity of tagId
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unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
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unsigned char rootLength[IMAGE_LEN]; // 240-249: Size of rootfs
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unsigned char tagId[TAGID_LEN]; // 250-255: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
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};
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struct bcm_tag_bc308 {
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unsigned char tagVersion[4]; // 0-3: Version of the image tag
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unsigned char sig_1[20]; // 4-23: Company Line 1
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unsigned char sig_2[14]; // 24-37: Company Line 2
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unsigned char chipid[6]; // 38-43: Chip this image is for
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unsigned char boardid[16]; // 44-59: Board name
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unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
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unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
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unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
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unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
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unsigned char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of kernel (start of image)
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unsigned char flashRootLength[IMAGE_LEN]; // 106-115: Size of rootfs + deadcode (web flash uses this + kernelLength to determine the size of the kernel+rootfs flash image)
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unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
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unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
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unsigned char dualImage[2]; // 138-139: Unused at present
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unsigned char inactiveFlag[2]; // 140-141: Unused at present
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unsigned char information1[TAGINFO_LEN+2]; // 142-163: Unused at present
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unsigned char tagId[TAGID_LEN]; // 164-169: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
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unsigned char rootAddress[ADDRESS_LEN]; // 170-181: Address in memory of rootfs partition
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unsigned char rootLength[IMAGE_LEN]; // 182-191: Size of rootfs partition
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unsigned char flashLayoutVer[2]; // 192-193: Version flash layout
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unsigned char curflashLayoutVer[2]; // 194-195: Unused at present
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unsigned char kernelCRC[4]; // 196-199: Guessed to be kernel CRC
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unsigned char reserved4[16]; // 200-215: Reserved area; unused at present
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unsigned char imageCRC[4]; // 216-219: CRC32 of images
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unsigned char reserved2[12]; // 220-231: Unused at present
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unsigned char tagIdCRC[4]; // 232-235: CRC32 to ensure validity of tagId
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unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
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unsigned char reserved3[16]; // 240-255: Unused at present
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};
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struct bcm_tag_bc310 {
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unsigned char tagVersion[4]; // 0-3: Version of the image tag
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unsigned char sig_1[20]; // 4-23: Company Line 1
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unsigned char sig_2[14]; // 24-37: Company Line 2
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unsigned char chipid[6]; // 38-43: Chip this image is for
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unsigned char boardid[16]; // 44-59: Board name
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unsigned char big_endian[2]; // 60-61: Map endianness -- 1 BE 0 LE
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unsigned char totalLength[IMAGE_LEN]; // 62-71: Total length of image
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unsigned char cfeAddress[ADDRESS_LEN]; // 72-83: Address in memory of CFE
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unsigned char cfeLength[IMAGE_LEN]; // 84-93: Size of CFE
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unsigned char flashImageStart[ADDRESS_LEN]; // 94-105: Address in memory of kernel (start of image)
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unsigned char flashRootLength[IMAGE_LEN]; // 106-115: Size of rootfs + deadcode (web flash uses this + kernelLength to determine the size of the kernel+rootfs flash image)
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unsigned char kernelAddress[ADDRESS_LEN]; // 116-127: Address in memory of kernel
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unsigned char kernelLength[IMAGE_LEN]; // 128-137: Size of kernel
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unsigned char dualImage[2]; // 138-139: Unused at present
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unsigned char inactiveFlag[2]; // 140-141: Unused at present
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unsigned char information1[TAGINFO_LEN]; // 142-161: Unused at present; Some vendors use this for optional information
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unsigned char tagId[6]; // 162-167: Identifies which type of tag this is, currently two-letter company code, and then three digits for version of broadcom code in which this tag was first introduced
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unsigned char tagIdCRC[4]; // 168-171: CRC32 to ensure validity of tagId
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unsigned char rootAddress[ADDRESS_LEN]; // 172-183: Address in memory of rootfs partition
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unsigned char rootLength[IMAGE_LEN]; // 184-193: Size of rootfs partition
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unsigned char reserved1[22]; // 193-215: Reserved area not in use
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unsigned char imageCRC[4]; // 216-219: CRC32 of images
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unsigned char rootfsCRC[4]; // 220-227: CRC32 of rootfs partition
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unsigned char kernelCRC[4]; // 224-227: CRC32 of kernel partition
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unsigned char reserved2[8]; // 228-235: Unused at present
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unsigned char headerCRC[4]; // 235-239: CRC32 of header excluding tagVersion
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unsigned char reserved3[16]; // 240-255: Unused at present
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};
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union bcm_tag {
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struct bcm_tag_bccfe bccfe;
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struct bcm_tag_bc300 bc300;
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struct bcm_tag_ag306 ag306;
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struct bcm_tag_bc308 bc308;
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struct bcm_tag_bc310 bc310;
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};
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#endif /* __BCM63XX_TAG_H */
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