Remove unused code files and cosmetic changes

Following files were no longer used in the build and are deleted:
   src/arch/x86/init/entry.S
   src/arch/x86/init/ldscript.ld

Also fix ugly whitespace in code copyrights and comments.

Change-Id: Ia6360b0ffc227f372d5f997495697a101f7ad81b
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/440
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

3 files changed, 29 insertions, 217 deletions

diff --git a/src/arch/x86/init/entry.S b/src/arch/x86/init/entry.S
deleted file mode 100644
index af29296403..0000000000
--- a/src/arch/x86/init/entry.S
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 1999 Ronald G. Minnich
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- */
-#include <arch/rom_segs.h>
-	.code16
-	.globl _stage0
-_stage0:
-	cli
-
-	/* Save the BIST result. */
-	movl	%eax, %ebp;
-
-	/* thanks to kmliu@sis.com.tw for this TLB fix */
-	/* IMMEDIATELY invalidate the translation lookaside buffer (TLB) before
-	 * executing any further code. Even though paging is disabled we
-	 * could still get false address translations due to the TLB if we
-	 * didn't invalidate it.
-	 */
-	xorl	%eax, %eax
-	movl	%eax, %cr3	/* Invalidate TLB. */
-
-	/* Switch to protected mode. */
-
-	/* NOTE: With GNU assembler version 2.15.94.0.2.2 (i386-redhat-linux)
-	 * using BFD version 2.15.94.0.2.2 20041220 this works fine without all
-	 * the ld hackery and other things. So leave it as is with this comment.
-	 */
-
-	data32	lgdt %cs:gdtptr
-
-	movl	%cr0, %eax
-	andl	$0x7FFAFFD1, %eax /* PG, AM, WP, NE, TS, EM, MP = 0 */
-	orl	$0x60000001, %eax /* CD, NW, PE = 1 */
-	movl	%eax, %cr0
-
-	/* Restore BIST result. */
-	movl	%ebp, %eax
-
-	// port80_post(0x23)
-	/* Now we are in protected mode. Jump to a 32 bit code segment. */
-	data32	ljmp $ROM_CODE_SEG, $protected_stage0
-
-	/* I am leaving this weird jump in here in the event that future gas
-	 * bugs force it to be used.
-	 */
-	/* .byte 0x66 */
-	.code32
-	/* ljmp	$ROM_CODE_SEG, $protected_stage0 */
-
-	/* .code16 */
-	.align 4
-	.globl gdt16
-gdt16 = . - _stage0
-gdt16x:
-	.word	gdt16xend - gdt16x -1	/* Compute the table limit. */
-	.long	gdt16x
-	.word	0
-
-	/* selgdt 0x08, flat code segment */
-	.word	0xffff, 0x0000
-	.byte	0x00, 0x9b, 0xcf, 0x00
-
-	/* selgdt 0x10, flat data segment */
-	.word	0xffff, 0x0000
-	.byte	0x00, 0x93, 0xcf, 0x00
-gdt16xend:
-
-	/* From now on we are 32 bit. */
-	.code32
-
-	/* We have two gdts where we could have one. That is ok.
-	 *
-	 * Let's not worry about this -- optimizing gdt is pointless since
-	 * we're only in it for a little bit.
-	 *
-	 * Btw. note the trick below: The GDT points to ITSELF, and the first
-	 * good descriptor is at offset 8. So you word-align the table, and
-	 * then because you chose 8, you get a nice 64-bit aligned GDT entry,
-	 * which is good as this is the size of the entry.
-	 * Just in case you ever wonder why people do this.
-	 */
-	.align 4
-	.globl gdtptr
-	.globl gdt_limit
-gdt_limit = gdt_end - gdt - 1		/* Compute the table limit. */
-
-gdt:
-gdtptr:
-	.word	gdt_end - gdt -1	/* Compute the table limit. */
-	.long	gdt			/* We know the offset. */
-	.word	0
-
-	/* selgdt 0x08, flat code segment */
-	.word	0xffff, 0x0000
-	.byte	0x00, 0x9b, 0xcf, 0x00
-
-	/* selgdt 0x10, flat data segment */
-	.word	0xffff, 0x0000
-	.byte	0x00, 0x93, 0xcf, 0x00
-
-gdt_end:
-
-/* Reset vector. */
-
-/*
- * RVECTOR: Size of reset vector, default is 0x10.
- * RESRVED: Size of vpd code, default is 0xf0.
- * BOOTBLK: Size of bootblock code, default is 0x1f00 (8k-256b).
- */
-
-SEGMENT_SIZE = 0x10000
-RVECTOR      = 0x00010
-
-/* Due to YET ANOTHER BUG in GNU bintools, you can NOT have a code16 here.
- * I think we should leave it this way forever, as the bugs come and
- * go -- and come again.
- *
- *	.code16
- *	.section ".rom.text"
- */
-.section ".reset", "ax"
-	.globl _resetjump
-_resetjump:
-	/* GNU bintools bugs again. This jumps to stage0 - 2. Sigh. */
-	/* jmp _stage0 */
-	.byte	0xe9
-	.int	_stage0 - ( . + 2 )
-
-	/* Note: The above jump is hand coded to work around bugs in binutils.
-	 * 5 bytes are used for a 3 byte instruction. This works because x86
-	 * is little endian and allows us to use supported 32 bit relocations
-	 * instead of the weird 16 bit relocations that binutils does not
-	 * handle consistenly between versions because they are used so rarely.
-	 */
diff --git a/src/arch/x86/init/ldscript.ld b/src/arch/x86/init/ldscript.ld
deleted file mode 100644
index 149f048638..0000000000
--- a/src/arch/x86/init/ldscript.ld
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007 Ronald G. Minnich <rminnich@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
- */
-
-TARGET(binary)
-SECTIONS
-{
-	/DISCARD/ : {
-		*(.comment)
-		*(.note.*)
-		*(.note)
-	}
-}
-
-SECTIONS {
-	_ROMTOP = 0xfffffff0;
-	. = _ROMTOP;
-	.resetvector . : {
-		*(.reset)
-                . = 15 ;
-                BYTE(0x00);
-	}
-}
-
diff --git a/src/cpu/x86/16bit/entry16.inc b/src/cpu/x86/16bit/entry16.inc
index 9b7b69c4b7..fb211554b8 100644
--- a/src/cpu/x86/16bit/entry16.inc
+++ b/src/cpu/x86/16bit/entry16.inc
@@ -1,31 +1,32 @@
 /*
-This software and ancillary information (herein called SOFTWARE )
-called LinuxBIOS          is made available under the terms described
-here.  The SOFTWARE has been approved for release with associated
-LA-CC Number 00-34   .  Unless otherwise indicated, this SOFTWARE has
-been authored by an employee or employees of the University of
-California, operator of the Los Alamos National Laboratory under
-Contract No. W-7405-ENG-36 with the U.S. Department of Energy.  The
-U.S. Government has rights to use, reproduce, and distribute this
-SOFTWARE.  The public may copy, distribute, prepare derivative works
-and publicly display this SOFTWARE without charge, provided that this
-Notice and any statement of authorship are reproduced on all copies.
-Neither the Government nor the University makes any warranty, express
-or implied, or assumes any liability or responsibility for the use of
-this SOFTWARE.  If SOFTWARE is modified to produce derivative works,
-such modified SOFTWARE should be clearly marked, so as not to confuse
-it with the version available from LANL.
- */
-/* Copyright 2000, Ron Minnich, Advanced Computing Lab, LANL
- * rminnich@lanl.gov
+ * This software and ancillary information (herein called SOFTWARE)
+ * called LinuxBIOS is made available under the terms described here.
+ *
+ * The SOFTWARE has been approved for release with associated
+ * LA-CC Number 00-34. Unless otherwise indicated, this SOFTWARE has
+ * been authored by an employee or employees of the University of
+ * California, operator of the Los Alamos National Laboratory under
+ * Contract No. W-7405-ENG-36 with the U.S. Department of Energy.
+ *
+ * The U.S. Government has rights to use, reproduce, and distribute this
+ * SOFTWARE. The public may copy, distribute, prepare derivative works
+ * and publicly display this SOFTWARE without charge, provided that this
+ * Notice and any statement of authorship are reproduced on all copies.
+ *
+ * Neither the Government nor the University makes any warranty, express
+ * or implied, or assumes any liability or responsibility for the use of
+ * this SOFTWARE.  If SOFTWARE is modified to produce derivative works,
+ * such modified SOFTWARE should be clearly marked, so as not to confuse
+ * it with the version available from LANL.
+ *
+ * Copyright (C) 2000, Ron Minnich rminnich@lanl.gov
+ *                     Advanced Computing Lab, LANL
  */
 
 
-/** Start code to put an i386 or later processor into 32-bit
- * protected mode.
+/* Start code to put an i386 or later processor into 32-bit protected mode.
  */
 
-/* .section ".rom.text" */
 #include <arch/rom_segs.h>
 .code16
 .globl _start
@@ -38,12 +39,12 @@ _start:
 
 	post_code(POST_RESET_VECTOR_CORRECT)
 
-/* thanks to kmliu@sis.tw.com for this TBL fix ... */
-/**/
-/* IMMEDIATELY invalidate the translation lookaside buffer before executing*/
-/* any further code.  Even though paging is disabled we could still get*/
-/*false address translations due to the TLB if we didn't invalidate it.*/
-/**/
+	/* IMMEDIATELY invalidate the translation lookaside buffer (TLB) before
+	 * executing any further code. Even though paging is disabled we
+	 * could still get false address translations due to the TLB if we
+	 * didn't invalidate it. Thanks to kmliu@sis.com.tw for this TLB fix.
+	 */
+
 	xorl	%eax, %eax
 	movl	%eax, %cr3    /* Invalidate TLB*/