1 files changed, 0 insertions, 135 deletions
diff --git a/contrib/syslinux/syslinux-4.03/com32/gpllib/disk/read.c b/contrib/syslinux/syslinux-4.03/com32/gpllib/disk/read.c
deleted file mode 100644
index 7a6cc43..0000000
--- a/contrib/syslinux/syslinux-4.03/com32/gpllib/disk/read.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/* ----------------------------------------------------------------------- *
- *
- *   Copyright 2009 Pierre-Alexandre Meyer
- *
- *   Some parts borrowed from chain.c32:
- *
- *   Copyright 2003-2009 H. Peter Anvin - All Rights Reserved
- *   Copyright 2009 Intel Corporation; author: H. Peter Anvin
- *
- *   This file is part of Syslinux, and is made available under
- *   the terms of the GNU General Public License version 2.
- *
- * ----------------------------------------------------------------------- */
-
-#include <com32.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <disk/errno_disk.h>
-#include <disk/geom.h>
-#include <disk/read.h>
-#include <disk/util.h>
-#include <disk/common.h>
-
-/*
- * TODO: implement file descriptors to cache metadata (geometry, ...)
- */
-
-/**
- * read_mbr - return a pointer to a malloced buffer containing the mbr
- * @drive:	Drive number
- * @buf:	Pre-allocated buffer for output
- *
- * Return the number of sectors read on success or -1 on failure.
- * errno_disk contains the error number.
- **/
-int read_mbr(int drive, void *buf)
-{
-    struct driveinfo drive_info;
-    drive_info.disk = drive;
-
-    /* MBR: lba = 0, 1 sector */
-    return read_sectors(&drive_info, buf, 0, 1);
-}
-
-/**
- * dev_read - read from a drive
- * @drive:	Drive number
- * @buf:	Pre-allocated buffer for output
- * @lba:	Position to start reading from
- * @sectors:	Number of sectors to read
- *
- * High-level routine to read from a hard drive.
- * Return the number of sectors read on success or -1 on failure.
- * errno_disk contains the error number.
- **/
-int dev_read(int drive, void *buf, unsigned int lba, int sectors)
-{
-    struct driveinfo drive_info;
-    drive_info.disk = drive;
-
-    return read_sectors(&drive_info, buf, lba, sectors);
-}
-
-/**
- * read_sectors - read several sectors from disk
- * @drive_info:		driveinfo struct describing the disk
- * @data:		Pre-allocated buffer for output
- * @lba:		Position to read
- * @sectors:		Number of sectors to read
- *
- * Return the number of sectors read on success or -1 on failure.
- * errno_disk contains the error number.
- **/
-int read_sectors(struct driveinfo *drive_info, void *data,
-		 const unsigned int lba, const int sectors)
-{
-    com32sys_t inreg, outreg;
-    struct ebios_dapa *dapa = __com32.cs_bounce;
-    void *buf = (char *)__com32.cs_bounce + sectors * SECTOR;
-    char *bufp = data;
-
-    if (get_drive_parameters(drive_info) == -1)
-	return -1;
-
-    memset(&inreg, 0, sizeof inreg);
-
-    if (drive_info->ebios) {
-	dapa->len = sizeof(*dapa);
-	dapa->count = sectors;
-	dapa->off = OFFS(buf);
-	dapa->seg = SEG(buf);
-	dapa->lba = lba;
-
-	inreg.esi.w[0] = OFFS(dapa);
-	inreg.ds = SEG(dapa);
-	inreg.edx.b[0] = drive_info->disk;
-	inreg.eax.b[1] = 0x42;	/* Extended read */
-    } else {
-	unsigned int c, h, s;
-
-	if (!drive_info->cbios) {	// XXX errno
-	    /* We failed to get the geometry */
-	    if (lba)
-		return -1;	/* Can only read MBR */
-
-	    s = 1;
-	    h = 0;
-	    c = 0;
-	} else
-	    lba_to_chs(drive_info, lba, &s, &h, &c);
-
-	// XXX errno
-	if (s > 63 || h > 256 || c > 1023)
-	    return -1;
-
-	inreg.eax.w[0] = 0x0201;	/* Read one sector */
-	inreg.ecx.b[1] = c & 0xff;
-	inreg.ecx.b[0] = s + (c >> 6);
-	inreg.edx.b[1] = h;
-	inreg.edx.b[0] = drive_info->disk;
-	inreg.ebx.w[0] = OFFS(buf);
-	inreg.es = SEG(buf);
-    }
-
-    /* Perform the read */
-    if (int13_retry(&inreg, &outreg)) {
-	errno_disk = outreg.eax.b[1];
-	return -1;		/* Give up */
-    }
-
-    memcpy(bufp, buf, sectors * SECTOR);
-
-    return sectors;
-}