349 kwboot_xm_makeblock(struct kwboot_block *block, const void *data,  in kwboot_xm_makeblock()  argument
352 	const size_t blksz = sizeof(block->data);  in kwboot_xm_makeblock()
356 	block->soh = SOH;  in kwboot_xm_makeblock()
357 	block->pnum = pnum;  in kwboot_xm_makeblock()
358 	block->_pnum = ~block->pnum;  in kwboot_xm_makeblock()
361 	memcpy(&block->data[0], data, n);  in kwboot_xm_makeblock()
362 	memset(&block->data[n], 0, blksz - n);  in kwboot_xm_makeblock()
364 	block->csum = 0;  in kwboot_xm_makeblock()
366 		block->csum += block->data[i];  in kwboot_xm_makeblock()
372 kwboot_xm_sendblock(int fd, struct kwboot_block *block)  in kwboot_xm_sendblock()  argument
379 		rc = kwboot_tty_send(fd, block, sizeof(*block));  in kwboot_xm_sendblock()
430 		struct kwboot_block block;  in kwboot_xmodem()  local
433 		n = kwboot_xm_makeblock(&block,  in kwboot_xmodem()
442 		rc = kwboot_xm_sendblock(tty, &block);  in kwboot_xmodem()