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xburst-tools/qiboot/tools/usb_dfu_trailer.h

32 lines
786 B
C

#ifndef _USB_DFU_TRAILER_H
#define _USB_DFU_TRAILER_H
/* trailer handling for DFU files */
#define UBOOT_DFU_TRAILER_V1 1
#define UBOOT_DFU_TRAILER_MAGIC 0x19731978
struct uboot_dfu_trailer {
u_int32_t magic;
u_int16_t version;
u_int16_t length;
u_int16_t vendor;
u_int16_t product;
u_int32_t revision;
} __attribute__((packed));
/* we mirror the trailer because we want it to be longer in later versions
* while keeping backwards compatibility */
static inline void dfu_trailer_mirror(struct uboot_dfu_trailer *trailer,
unsigned char *eof)
{
int i;
int len = sizeof(struct uboot_dfu_trailer);
unsigned char *src = eof - len;
unsigned char *dst = (unsigned char *) trailer;
for (i = 0; i < len; i++)
dst[len-1-i] = src[i];
}
#endif /* _USB_DFU_TRAILER_H */