2006-02-20 Thomas Schwinge <tschwinge@gnu.org>

Remove unused and unsupported code.  Consult the file
	`DEVELOPMENT' for details.  Partly based on suggestions by
	Gianluca Guida <glguida@gmail.com>.

	* i386/dos/dos_buf.c: Remove file.
	* i386/dos/dos_check_err.c: Likewise.
	* i386/dos/dos_close.c: Likewise.
	* i386/dos/dos_fstat.c: Likewise.
	* i386/dos/dos_gettimeofday.c: Likewise.
	* i386/dos/dos_io.h: Likewise.
	* i386/dos/dos_open.c: Likewise.
	* i386/dos/dos_read.c: Likewise.
	* i386/dos/dos_rename.c: Likewise.
	* i386/dos/dos_seek.c: Likewise.
	* i386/dos/dos_tcgetattr.c: Likewise.
	* i386/dos/dos_unlink.c: Likewise.
	* i386/dos/dos_write.c: Likewise.
	* i386/dos/i16/gdt.h: Likewise.
	* i386/dos/i16/gdt_sels.h: Likewise.
	* i386/dos/i16/i16_crt0.S: Likewise.
	* i386/dos/i16/i16_crt0.h: Likewise.
	* i386/dos/i16/i16_dos.h: Likewise.
	* i386/dos/i16/i16_dos_mem.c: Likewise.
	* i386/dos/i16/i16_exit.c: Likewise.
	* i386/dos/i16/i16_main.c: Likewise.
	* i386/dos/i16/i16_putchar.c: Likewise.
	* i386/dos/i16/i16_vcpi.c: Likewise.
	* i386/dos/i16/i16_xms.c: Likewise.
	* i386/dos/i16/idt.h: Likewise.
	* i386/dos/i16/phys_mem_sources.h: Likewise.
	* i386/dos/putchar.c: Likewise.

1 files changed, 0 insertions, 146 deletions

diff --git a/i386/dos/i16/i16_dos.h b/i386/dos/i16/i16_dos.h
deleted file mode 100644
index 27b0ca4..0000000
--- a/i386/dos/i16/i16_dos.h
+++ /dev/null
@@ -1,146 +0,0 @@
-/* 
- * Copyright (c) 1995-1994 The University of Utah and
- * the Computer Systems Laboratory at the University of Utah (CSL).
- * All rights reserved.
- *
- * Permission to use, copy, modify and distribute this software is hereby
- * granted provided that (1) source code retains these copyright, permission,
- * and disclaimer notices, and (2) redistributions including binaries
- * reproduce the notices in supporting documentation, and (3) all advertising
- * materials mentioning features or use of this software display the following
- * acknowledgement: ``This product includes software developed by the
- * Computer Systems Laboratory at the University of Utah.''
- *
- * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
- * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
- * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * CSL requests users of this software to return to csl-dist@cs.utah.edu any
- * improvements that they make and grant CSL redistribution rights.
- *
- *      Author: Bryan Ford, University of Utah CSL
- */
-#ifndef _I16DOS_H_
-#define _I16DOS_H_
-
-#include <mach/inline.h>
-#include <mach/machine/far_ptr.h>
-
-
-/* Returns 16-bit DOS version number:
-   major version number in high byte, minor in low byte.  */
-MACH_INLINE unsigned short i16_dos_version(void)
-{
-	unsigned short dos_version_swapped;
-	asm volatile("int $0x21" : "=a" (dos_version_swapped) : "a" (0x3000));
-	return (dos_version_swapped >> 8) | (dos_version_swapped << 8);
-}
-
-MACH_INLINE void i16_dos_putchar(int c)
-{
-	asm volatile("int $0x21" : : "a" (0x0200), "d" (c));
-}
-
-MACH_INLINE void i16_dos_exit(int rc)
-{
-	asm volatile("int $0x21" : : "a" (0x4c00 | (rc & 0xff)));
-}
-
-MACH_INLINE void i16_dos_get_int_vec(int vecnum, struct far_pointer_16 *out_vec)
-{
-	asm volatile("
-		pushw	%%es
-		int	$0x21
-		movw	%%es,%0
-		popw	%%es
-	" : "=r" (out_vec->seg), "=b" (out_vec->ofs)
-	  : "a" (0x3500 | vecnum));
-}
-
-MACH_INLINE void i16_dos_set_int_vec(int vecnum, struct far_pointer_16 *new_vec)
-{
-	asm volatile("
-		pushw	%%ds
-		movw	%1,%%ds
-		int	$0x21
-		popw	%%ds
-	" :
-	  : "a" (0x2500 | vecnum),
-	    "r" (new_vec->seg), "d" (new_vec->ofs));
-}
-
-/* Open a DOS file and return the new file handle.
-   Returns -1 if an error occurs.  */
-MACH_INLINE int i16_dos_open(const char *filename, int access)
-{
-	int fh;
-	asm volatile("
-		int	$0x21
-		jnc	1f
-		movl	$-1,%%eax
-	1:
-	" : "=a" (fh) : "a" (0x3d00 | access), "d" (filename));
-	return fh;
-}
-
-MACH_INLINE void i16_dos_close(int fh)
-{
-	asm volatile("int $0x21" : : "a" (0x3e00), "b" (fh));
-}
-
-MACH_INLINE int i16_dos_get_device_info(int fh)
-{
-	int info_word;
-	asm volatile("
-		int	$0x21
-		jnc	1f
-		movl	$-1,%%edx
-	1:
-	" : "=d" (info_word) : "a" (0x4400), "b" (fh), "d" (0));
-	return info_word;
-}
-
-MACH_INLINE int i16_dos_get_output_status(int fh)
-{
-	int status;
-	asm volatile("
-		int	$0x21
-		movzbl	%%al,%%eax
-		jnc	1f
-		movl	$-1,%%eax
-	1:
-	" : "=a" (status) : "a" (0x4407), "b" (fh));
-	return status;
-}
-
-MACH_INLINE int i16_dos_alloc(unsigned short *inout_paras)
-{
-	int seg;
-	asm volatile("
-		int	$0x21
-		jnc	1f
-		movl	$-1,%%eax
-	1:
-	" : "=a" (seg), "=b" (*inout_paras)
-	  : "a" (0x4800), "b" (*inout_paras));
-	return seg;
-}
-
-MACH_INLINE int i16_dos_free(unsigned short seg)
-{
-	asm volatile("
-		pushw	%%es
-		movw	%1,%%es
-		int	$0x21
-		popw	%%es
-	" : : "a" (0x4900), "r" (seg) : "eax");
-}
-
-MACH_INLINE unsigned short i16_dos_get_psp_seg(void)
-{
-	unsigned short psp_seg;
-	asm volatile("int $0x21" : "=b" (psp_seg) : "a" (0x6200));
-	return psp_seg;
-}
-
-#endif _I16DOS_H_