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, 119 deletions

diff --git a/i386/pc/rv86/rv86_real_int_asm.S b/i386/pc/rv86/rv86_real_int_asm.S
deleted file mode 100644
index 54b1b9b..0000000
--- a/i386/pc/rv86/rv86_real_int_asm.S
+++ /dev/null
@@ -1,119 +0,0 @@
-/* 
- * Copyright (c) 1995 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/asm.h>
-#include <mach/machine/eflags.h>
-
-#include "trap.h"
-#include "i386_asm.h"
-#include "pc_asm.h"
-#include "trap_asm.h"
-
-	.text
-	.globl	rv86_real_int_asm
-rv86_real_int_asm:
-
-	/* Stash our protected-mode stack pointer.  */
-	movl	%esp,EXT(real_tss)+TSS_ESP0
-
-	/* Load the linear/physical-address data segment into ES,
-	   for easy access to real-mode memory.  */
-	movl	$LINEAR_DS,%edx
-	movw	%dx,%es
-
-	/* Find the physical address of the real-mode interrupt stack (es:ebx).
-	   A 6-byte stack frame has already been allocated on it.  */
-	movl	EXT(rv86_usp)+4,%ebx
-	shll	$4,%ebx
-	addl	EXT(rv86_usp),%ebx
-
-	/* Store the magic return pointer into the real-mode interrupt stack frame.  */
-	movl	EXT(rv86_rp),%edx
-	movl	%edx,%es:(%ebx)
-	movw	RCD_FLAGS(%eax),%dx
-	movw	%dx,%es:4(%ebx)
-
-	/* Find the address of the real mode interrupt vector (es:esi).  */
-	shll	$2,%esi
-
-	/* Build the v86 trap frame.  */
-	xorl	%edx,%edx
-	movw	RCD_GS(%eax),%dx
-	pushl	%edx
-	movw	RCD_FS(%eax),%dx
-	pushl	%edx
-	movw	RCD_DS(%eax),%dx
-	pushl	%edx
-	movw	RCD_ES(%eax),%dx
-	pushl	%edx
-	pushl	EXT(rv86_usp)+4
-	pushl	EXT(rv86_usp)
-	movl	$EFL_VM+EFL_IOPL_USER,%ecx
-	orw	RCD_FLAGS(%eax),%cx
-	andl	$-1-EFL_IF-EFL_TF,%ecx
-	pushl	%ecx
-	movw	%es:2(%esi),%edx
-	pushl	%edx
-	movw	%es:(%esi),%edx
-	pushl	%edx
-
-	/* Load the requested register state.  */
-	movl	RCD_EDI(%eax),%edi
-	movl	RCD_ESI(%eax),%esi
-	movl	RCD_EBP(%eax),%ebp
-	movl	RCD_EBX(%eax),%ebx
-	movl	RCD_EDX(%eax),%edx
-	movl	RCD_ECX(%eax),%ecx
-	movl	RCD_EAX(%eax),%eax
-
-	/* Drop into v86 mode.  */
-	iret
-
-ENTRY(rv86_return)
-
-	/* Restore the kernel segment registers.  */
-	movw	%ss,%ax
-	movw	%ax,%ds
-	movw	%ax,%es
-
-	/* Retrieve the real_call_data pointer from rv86_real_int_asm's stack frame.  */
-	movl	TR_V86SIZE+4(%esp),%eax
-
-	/* Stash the final register state.  */
-	movl	TR_EDI(%esp),%edx;	movl	%edx,RCD_EDI(%eax)
-	movl	TR_ESI(%esp),%edx;	movl	%edx,RCD_ESI(%eax)
-	movl	TR_EBP(%esp),%edx;	movl	%edx,RCD_EBP(%eax)
-	movl	TR_EBX(%esp),%edx;	movl	%edx,RCD_EBX(%eax)
-	movl	TR_EDX(%esp),%edx;	movl	%edx,RCD_EDX(%eax)
-	movl	TR_ECX(%esp),%edx;	movl	%edx,RCD_ECX(%eax)
-	movl	TR_EAX(%esp),%edx;	movl	%edx,RCD_EAX(%eax)
-	movl	TR_EFLAGS(%esp),%edx;	movw	%dx,RCD_FLAGS(%eax)
-	movl	TR_V86_ES(%esp),%edx;	movw	%dx,RCD_ES(%eax)
-	movl	TR_V86_DS(%esp),%edx;	movw	%dx,RCD_DS(%eax)
-	movl	TR_V86_FS(%esp),%edx;	movw	%dx,RCD_FS(%eax)
-	movl	TR_V86_GS(%esp),%edx;	movw	%dx,RCD_GS(%eax)
-
-	/* Return from the call to rv86_real_int_asm.  */
-	lea	TR_V86SIZE(%esp),%esp
-	ret
-