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/pc/NOTES: Remove file.
	* i386/pc/debug.h: Likewise.
	* i386/pc/exit.c: Likewise.
	* i386/pc/gdt.h: Likewise.
	* i386/pc/gdt_sels.h: Likewise.
	* i386/pc/i16/i16_a20.c: Likewise.
	* i386/pc/i16/i16_a20.h: Likewise.
	* i386/pc/i16/i16_bios.h: Likewise.
	* i386/pc/i16/i16_exit.c: Likewise.
	* i386/pc/i16/i16_ext_mem.c: Likewise.
	* i386/pc/i16/i16_init.c: Likewise.
	* i386/pc/i16/i16_main.c: Likewise.
	* i386/pc/i16/i16_pic.c: Likewise.
	* i386/pc/i16/i16_putchar.c: Likewise.
	* i386/pc/i16/i16_raw.c: Likewise.
	* i386/pc/i16/i16_raw_test_a20.S: Likewise.
	* i386/pc/i16/i16_real_int.S: Likewise.
	* i386/pc/i16/i16_switch.h: Likewise.
	* i386/pc/i16/phys_mem_collect.c: Likewise.
	* i386/pc/i16/phys_mem_sources.h: Likewise.
	* i386/pc/i16/raw_exit.c: Likewise.
	* i386/pc/i16/raw_real_int.c: Likewise.
	* i386/pc/ipl.h: Likewise.
	* i386/pc/irq.h: Likewise.
	* i386/pc/irq_list.h: Likewise.
	* i386/pc/pc_asm.sym: Likewise.
	* i386/pc/phys_mem.h: Likewise.
	* i386/pc/phys_mem_add.c: Likewise.
	* i386/pc/pic.c: Likewise.
	* i386/pc/pic.h: Likewise.
	* i386/pc/putchar.c: Likewise.
	* i386/pc/real.h: Likewise.
	* i386/pc/real_tss.c: Likewise.
	* i386/pc/real_tss.h: Likewise.
	* i386/pc/real_tss_def.S: Likewise.
	* i386/pc/rv86/config.h: Likewise.
	* i386/pc/rv86/gdt_sels.h: Likewise.
	* i386/pc/rv86/idt_irq_init.c: Likewise.
	* i386/pc/rv86/rv86_real_int.c: Likewise.
	* i386/pc/rv86/rv86_real_int_asm.S: Likewise.
	* i386/pc/rv86/rv86_reflect_irq.S: Likewise.
	* i386/pc/rv86/rv86_trap_handler.S: Likewise.
	* i386/pc/rv86/trap_handler.S: Likewise.

1 files changed, 0 insertions, 151 deletions

diff --git a/i386/pc/i16/i16_ext_mem.c b/i386/pc/i16/i16_ext_mem.c
deleted file mode 100644
index 08cbecf..0000000
--- a/i386/pc/i16/i16_ext_mem.c
+++ /dev/null
@@ -1,151 +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
- */
-
-#include <mach/machine/code16.h>
-#include <mach/machine/vm_types.h>
-#include <mach/machine/far_ptr.h>
-#include <mach/machine/proc_reg.h>
-
-#include "i16_bios.h"
-#include "phys_mem.h"
-#include "vm_param.h"
-#include "debug.h"
-
-
-static vm_offset_t ext_mem_phys_free_mem;
-static vm_size_t ext_mem_phys_free_size;
-
-
-CODE32
-
-int ext_mem_collect(void)
-{
-	if (ext_mem_phys_free_mem)
-	{
-		phys_mem_add(ext_mem_phys_free_mem, ext_mem_phys_free_size);
-		ext_mem_phys_free_mem = 0;
-	}
-}
-
-CODE16
-
-void i16_ext_mem_check()
-{
-	vm_offset_t ext_mem_top, ext_mem_bot;
-	unsigned short ext_mem_k;
-
-	/* Find the top of available extended memory.  */
-	asm volatile("
-		int	$0x15
-		jnc	1f
-		xorw	%%ax,%%ax
-	1:
-	" : "=a" (ext_mem_k)
-	  : "a" (0x8800));
-	ext_mem_top = 0x100000 + (vm_offset_t)ext_mem_k * 1024;
-
-	/* XXX check for >16MB memory using function 0xc7 */
-
-	ext_mem_bot = 0x100000;
-
-	/* Check for extended memory allocated bottom-up: method 1.
-	   This uses the technique (and, loosely, the code)
-	   described in the VCPI spec, version 1.0.  */
-	if (ext_mem_top > ext_mem_bot)
-	{
-		asm volatile("
-			pushw	%%es
-
-			xorw	%%ax,%%ax
-			movw	%%ax,%%es
-			movw	%%es:0x19*4+2,%%ax
-			movw	%%ax,%%es
-
-			movw	$0x12,%%di
-			movw	$7,%%cx
-			rep
-			cmpsb
-			jne	1f
-
-			xorl	%%edx,%%edx
-			movb	%%es:0x2e,%%dl
-			shll	$16,%%edx
-			movw	%%es:0x2c,%%dx
-
-		1:
-			popw	%%es
-		" : "=d" (ext_mem_bot)
-		  : "d" (ext_mem_bot),
-		    "S" ((unsigned short)(vm_offset_t)"VDISK V")
-		  : "eax", "ecx", "esi", "edi");
-	}
-	i16_assert(ext_mem_bot >= 0x100000);
-
-	/* Check for extended memory allocated bottom-up: method 2.
-	   This uses the technique (and, loosely, the code)
-	   described in the VCPI spec, version 1.0.  */
-	if (ext_mem_top > ext_mem_bot)
-	{
-		struct {
-			char pad1[3];
-			char V;
-			long DISK;
-			char pad2[30-8];
-			unsigned short addr;
-		} buf;
-		unsigned char rc;
-
-		i16_assert(sizeof(buf) == 0x20);
-		rc = i16_bios_copy_ext_mem(0x100000, kvtolin((vm_offset_t)&buf), sizeof(buf)/2);
-		if ((rc == 0) && (buf.V == 'V') && (buf.DISK == 'DISK'))
-		{
-			vm_offset_t new_bot = (vm_offset_t)buf.addr << 10;
-			i16_assert(new_bot > 0x100000);
-			if (new_bot > ext_mem_bot)
-				ext_mem_bot = new_bot;
-		}
-	}
-	i16_assert(ext_mem_bot >= 0x100000);
-
-	if (ext_mem_top > ext_mem_bot)
-	{
-		ext_mem_phys_free_mem = ext_mem_bot;
-		ext_mem_phys_free_size = ext_mem_top - ext_mem_bot;
-
-		/* We need to update phys_mem_max here
-		   instead of just letting phys_mem_add() do it
-		   when the memory is collected with phys_mem_collect(),
-		   because VCPI initialization needs to know the top of physical memory
-		   before phys_mem_collect() is called.
-		   See i16_vcpi.c for the gross details.  */
-		if (ext_mem_top > phys_mem_max)
-			phys_mem_max = ext_mem_top;
-	}
-}
-
-void i16_ext_mem_shutdown()
-{
-	/* We didn't actually allocate the memory,
-	   so no need to deallocate it... */
-}
-