| 1 | #ifndef _USB_DFU_TRAILER_H |
| 2 | #define _USB_DFU_TRAILER_H |
| 3 | |
| 4 | /* trailer handling for DFU files */ |
| 5 | |
| 6 | #define UBOOT_DFU_TRAILER_V1 1 |
| 7 | #define UBOOT_DFU_TRAILER_MAGIC 0x19731978 |
| 8 | struct uboot_dfu_trailer { |
| 9 | u_int32_t magic; |
| 10 | u_int16_t version; |
| 11 | u_int16_t length; |
| 12 | u_int16_t vendor; |
| 13 | u_int16_t product; |
| 14 | u_int32_t revision; |
| 15 | } __attribute__((packed)); |
| 16 | |
| 17 | /* we mirror the trailer because we want it to be longer in later versions |
| 18 | * while keeping backwards compatibility */ |
| 19 | static inline void dfu_trailer_mirror(struct uboot_dfu_trailer *trailer, |
| 20 | unsigned char *eof) |
| 21 | { |
| 22 | int i; |
| 23 | int len = sizeof(struct uboot_dfu_trailer); |
| 24 | unsigned char *src = eof - len; |
| 25 | unsigned char *dst = (unsigned char *) trailer; |
| 26 | |
| 27 | for (i = 0; i < len; i++) |
| 28 | dst[len-1-i] = src[i]; |
| 29 | } |
| 30 | |
| 31 | #endif /* _USB_DFU_TRAILER_H */ |
| 32 | |
