1 files changed, 0 insertions, 291 deletions
diff --git a/sys/arch/sgi/stand/boot/netfs.c b/sys/arch/sgi/stand/boot/netfs.c
deleted file mode 100644
index 76bed9a4a6d..00000000000
--- a/sys/arch/sgi/stand/boot/netfs.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/*	$OpenBSD: netfs.c,v 1.3 2020/12/09 18:10:19 krw Exp $	*/
-
-/*-
- * Copyright (c) 2001 Steve Murphree, Jr.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by TooLs GmbH.
- * 4. The name of TooLs GmbH may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
- *	TFTP file system.
- */
-
-#include <sys/param.h>
-#include <lib/libkern/libkern.h>
-#include <stand.h>
-
-#include <sys/stat.h>
-
-#include "netfs.h"
-
-/*
- * In-core open file.
- */
-struct tftp_file {
-	char 		filename[128];
-	off_t		f_seekp;	/* seek pointer */
-	char		*f_buf;		/* buffer for data block */
-	off_t		f_off;		/* index into buffer for data block */
-	daddr32_t	f_buf_blkno;	/* block number of data block */
-	size_t		f_buf_size;
-};
-
-#define TFTP_BLOCK_SHIFT	9
-#define TFTP_BLOCK_SIZE		(1<<TFTP_BLOCK_SHIFT) /* 512 by tftp convention */
-#define TFTP_BLOCK_NO(x)	((x >> TFTP_BLOCK_SHIFT) + 1)
-#define TFTP_BLOCK_OFF(x)	(x % TFTP_BLOCK_SIZE)
-
-static int	tftp_read_file(struct open_file *, char **, size_t *);
-
-/*
- * Read a portion of a file into an internal buffer.  Return
- * the location in the buffer and the amount in the buffer.
- */
-
-char	tftp_buf[TFTP_BLOCK_SIZE];	/* static */
-struct	tftp_file tftp_ctrl;
-
-static int
-tftp_read_file(f, buf_p, size_p)
-	struct open_file *f;
-	char **buf_p;		/* out */
-	size_t *size_p;		/* out */
-{
-	struct tftp_file *fp = (struct tftp_file *)f->f_fsdata;
-	long off;
-	daddr32_t file_block;
-	size_t block_size;
-	int i, rc;
-
-	off = TFTP_BLOCK_OFF(fp->f_seekp);
-	file_block = TFTP_BLOCK_NO(fp->f_seekp);
-	block_size = TFTP_BLOCK_SIZE;
-
-	if (file_block == fp->f_buf_blkno + 1) {
-		/*
-		 * Normal, incremental block transfer.
-		 */
-		rc = (f->f_dev->dv_strategy)(f->f_devdata, F_READ,
-			file_block, block_size, fp->f_buf, &fp->f_buf_size);
-		if (rc)
-			return (rc);
-		if (!(file_block % 4)) /* twiddle every 4 blocks */
-			twiddle();
-		fp->f_buf_blkno = file_block;
-	} else if (file_block > fp->f_buf_blkno + 1) {
-		/*
-		 * Read ahead to the requested block;  If we need
-		 * those we skipped, see below.
-		 */
-		for (i = (fp->f_buf_blkno + 1); i <= file_block; i++) {
-			rc = (f->f_dev->dv_strategy)(f->f_devdata, F_READ,
-				i, block_size, fp->f_buf, &fp->f_buf_size);
-			if (rc)
-				return (rc);
-		}
-		fp->f_buf_blkno = file_block;
-	} else if (file_block < fp->f_buf_blkno) {
-		/*
-		 * Uh oh...  We can't rewind.  Reopen the file
-		 * and start again.
-		 */
-		char filename[128];
-
-		strlcpy(filename, fp->filename, sizeof filename);
-                netfs_close(f);
-                netfs_open(filename, f);
-
-		/* restore f_seekp reset by netfs_open() */
-		fp->f_seekp = (file_block - 1) * TFTP_BLOCK_SIZE + off;
-		for (i = 1; i <= file_block; i++) {
-			rc = (f->f_dev->dv_strategy)(f->f_devdata, F_READ,
-				i, block_size, fp->f_buf, &fp->f_buf_size);
-			if (rc)
-				return (rc);
-		}
-		fp->f_buf_blkno = file_block;
-	}
-
-	/*
-	 * Return address of byte in buffer corresponding to
-	 * offset, and size of remainder of buffer after that
-	 * byte.
-	 */
-	*buf_p = fp->f_buf + off;
-	*size_p = fp->f_buf_size - off;
-
-	/*
-	 * But truncate buffer at end of file.
-	 */
-	if (fp->f_buf_size > block_size){
-		twiddle();
-		return(EIO);
-	}
-
-
-	return (0);
-}
-
-/*
- * Open a file.
- */
-int
-netfs_open(path, f)
-	char *path;
-	struct open_file *f;
-{
-	struct tftp_file *fp;
-	int rc = 0;
-extern int netstrategy(void *, int, daddr_t, size_t, void *, size_t *);
-	
-	if (f->f_dev->dv_strategy != netstrategy)
-		return EINVAL;
-
-	/* locate file system specific data structure and zero it.*/
-	fp = &tftp_ctrl;
-	bzero(fp, sizeof(struct tftp_file));
-	f->f_fsdata = (void *)fp;
-	fp->f_seekp = 0;
-	fp->f_buf = tftp_buf;
-	bzero(fp->f_buf, TFTP_BLOCK_SIZE);
-	fp->f_buf_size = 0;
-
-        strlcpy(fp->filename, path, sizeof fp->filename);
-	
-	twiddle();
-        rc = (f->f_dev->dv_open)(f, path);
-	return (rc);
-}
-
-int
-netfs_close(f)
-	struct open_file *f;
-{
-	struct tftp_file *fp = (struct tftp_file *)f->f_fsdata;
-
-	fp->f_buf = NULL;
-	f->f_fsdata = NULL;
-        (f->f_dev->dv_close)(f);
-	return (0);
-}
-
-/*
- * Copy a portion of a file into kernel memory.
- * Cross block boundaries when necessary.
- */
-int
-netfs_read(f, start, size, resid)
-	struct open_file *f;
-	void *start;
-	size_t size;
-	size_t *resid;	/* out */
-{
-	struct tftp_file *fp = (struct tftp_file *)f->f_fsdata;
-	size_t csize;
-	char *buf;
-	size_t buf_size;
-	int rc = 0;
-	char *addr = start;
-
-	while (size != 0) {
-		rc = tftp_read_file(f, &buf, &buf_size);
-		if (rc)
-			break;
-
-		csize = size;
-		if (csize > buf_size)
-			csize = buf_size;
-
-		bcopy(buf, addr, csize);
-
-		fp->f_seekp += csize;
-		addr += csize;
-		size -= csize;
-	}
-	if (resid)
-		*resid = size;
-	return (rc);
-}
-
-/*
- * Not implemented.
- */
-int
-netfs_write(f, start, size, resid)
-	struct open_file *f;
-	void *start;
-	size_t size;
-	size_t *resid;	/* out */
-{
-
-	return (EROFS);
-}
-
-/*
- * We only see forward.  We can't rewind.
- */
-off_t
-netfs_seek(f, offset, where)
-	struct open_file *f;
-	off_t offset;
-	int where;
-{
-	struct tftp_file *fp = (struct tftp_file *)f->f_fsdata;
-
-	switch (where) {
-	case SEEK_SET:
-		fp->f_seekp = offset;
-		break;
-	case SEEK_CUR:
-		fp->f_seekp += offset;
-		break;
-	case SEEK_END:
-		errno = EIO;
-		return (-1);
-		break;
-	default:
-		return (-1);
-	}
-	return (fp->f_seekp);
-}
-
-int
-netfs_stat(f, sb)
-	struct open_file *f;
-	struct stat *sb;
-{
-	return EIO;
-}
-
-#ifndef NO_READDIR
-int
-netfs_readdir (struct open_file *f, char *name)
-{
-	return EIO;
-}
-#endif
-