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>
This commit is contained in:
Kyösti Mälkki
Patrick Georgi
parent
912d8919d4
commit
0dbfb54a72
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@ -1,149 +0,0 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 1999 Ronald G. Minnich
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <arch/rom_segs.h>
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.code16
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.globl _stage0
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_stage0:
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cli
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/* Save the BIST result. */
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movl %eax, %ebp;
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/* thanks to kmliu@sis.com.tw for this TLB fix */
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/* IMMEDIATELY invalidate the translation lookaside buffer (TLB) before
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* executing any further code. Even though paging is disabled we
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* could still get false address translations due to the TLB if we
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* didn't invalidate it.
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*/
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xorl %eax, %eax
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movl %eax, %cr3 /* Invalidate TLB. */
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/* Switch to protected mode. */
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/* NOTE: With GNU assembler version 2.15.94.0.2.2 (i386-redhat-linux)
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* using BFD version 2.15.94.0.2.2 20041220 this works fine without all
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* the ld hackery and other things. So leave it as is with this comment.
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*/
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data32 lgdt %cs:gdtptr
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movl %cr0, %eax
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andl $0x7FFAFFD1, %eax /* PG, AM, WP, NE, TS, EM, MP = 0 */
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orl $0x60000001, %eax /* CD, NW, PE = 1 */
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movl %eax, %cr0
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/* Restore BIST result. */
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movl %ebp, %eax
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// port80_post(0x23)
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/* Now we are in protected mode. Jump to a 32 bit code segment. */
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data32 ljmp $ROM_CODE_SEG, $protected_stage0
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/* I am leaving this weird jump in here in the event that future gas
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* bugs force it to be used.
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*/
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/* .byte 0x66 */
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.code32
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/* ljmp $ROM_CODE_SEG, $protected_stage0 */
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/* .code16 */
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.align 4
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.globl gdt16
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gdt16 = . - _stage0
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gdt16x:
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.word gdt16xend - gdt16x -1 /* Compute the table limit. */
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.long gdt16x
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.word 0
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/* selgdt 0x08, flat code segment */
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.word 0xffff, 0x0000
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.byte 0x00, 0x9b, 0xcf, 0x00
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/* selgdt 0x10, flat data segment */
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.word 0xffff, 0x0000
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.byte 0x00, 0x93, 0xcf, 0x00
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gdt16xend:
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/* From now on we are 32 bit. */
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.code32
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/* We have two gdts where we could have one. That is ok.
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*
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* Let's not worry about this -- optimizing gdt is pointless since
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* we're only in it for a little bit.
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*
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* Btw. note the trick below: The GDT points to ITSELF, and the first
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* good descriptor is at offset 8. So you word-align the table, and
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* then because you chose 8, you get a nice 64-bit aligned GDT entry,
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* which is good as this is the size of the entry.
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* Just in case you ever wonder why people do this.
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*/
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.align 4
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.globl gdtptr
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.globl gdt_limit
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gdt_limit = gdt_end - gdt - 1 /* Compute the table limit. */
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gdt:
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gdtptr:
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.word gdt_end - gdt -1 /* Compute the table limit. */
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.long gdt /* We know the offset. */
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.word 0
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/* selgdt 0x08, flat code segment */
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.word 0xffff, 0x0000
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.byte 0x00, 0x9b, 0xcf, 0x00
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/* selgdt 0x10, flat data segment */
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.word 0xffff, 0x0000
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.byte 0x00, 0x93, 0xcf, 0x00
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gdt_end:
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/* Reset vector. */
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/*
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* RVECTOR: Size of reset vector, default is 0x10.
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* RESRVED: Size of vpd code, default is 0xf0.
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* BOOTBLK: Size of bootblock code, default is 0x1f00 (8k-256b).
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*/
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SEGMENT_SIZE = 0x10000
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RVECTOR = 0x00010
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/* Due to YET ANOTHER BUG in GNU bintools, you can NOT have a code16 here.
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* I think we should leave it this way forever, as the bugs come and
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* go -- and come again.
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*
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* .code16
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* .section ".rom.text"
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*/
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.section ".reset", "ax"
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.globl _resetjump
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_resetjump:
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/* GNU bintools bugs again. This jumps to stage0 - 2. Sigh. */
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/* jmp _stage0 */
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.byte 0xe9
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.int _stage0 - ( . + 2 )
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/* Note: The above jump is hand coded to work around bugs in binutils.
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* 5 bytes are used for a 3 byte instruction. This works because x86
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* is little endian and allows us to use supported 32 bit relocations
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* instead of the weird 16 bit relocations that binutils does not
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* handle consistenly between versions because they are used so rarely.
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*/
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@ -1,40 +0,0 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2007 Ronald G. Minnich <rminnich@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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TARGET(binary)
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SECTIONS
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{
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/DISCARD/ : {
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*(.comment)
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*(.note.*)
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*(.note)
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}
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}
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SECTIONS {
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_ROMTOP = 0xfffffff0;
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. = _ROMTOP;
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.resetvector . : {
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*(.reset)
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. = 15 ;
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BYTE(0x00);
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}
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}
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@ -1,31 +1,32 @@
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/*
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/*
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This software and ancillary information (herein called SOFTWARE )
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* This software and ancillary information (herein called SOFTWARE)
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called LinuxBIOS is made available under the terms described
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* called LinuxBIOS is made available under the terms described here.
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here. The SOFTWARE has been approved for release with associated
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*
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LA-CC Number 00-34 . Unless otherwise indicated, this SOFTWARE has
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* The SOFTWARE has been approved for release with associated
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been authored by an employee or employees of the University of
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* LA-CC Number 00-34. Unless otherwise indicated, this SOFTWARE has
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California, operator of the Los Alamos National Laboratory under
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* been authored by an employee or employees of the University of
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Contract No. W-7405-ENG-36 with the U.S. Department of Energy. The
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* California, operator of the Los Alamos National Laboratory under
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U.S. Government has rights to use, reproduce, and distribute this
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* Contract No. W-7405-ENG-36 with the U.S. Department of Energy.
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SOFTWARE. The public may copy, distribute, prepare derivative works
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*
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and publicly display this SOFTWARE without charge, provided that this
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* The U.S. Government has rights to use, reproduce, and distribute this
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Notice and any statement of authorship are reproduced on all copies.
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* SOFTWARE. The public may copy, distribute, prepare derivative works
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Neither the Government nor the University makes any warranty, express
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* and publicly display this SOFTWARE without charge, provided that this
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or implied, or assumes any liability or responsibility for the use of
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* Notice and any statement of authorship are reproduced on all copies.
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this SOFTWARE. If SOFTWARE is modified to produce derivative works,
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*
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such modified SOFTWARE should be clearly marked, so as not to confuse
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* Neither the Government nor the University makes any warranty, express
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it with the version available from LANL.
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* or implied, or assumes any liability or responsibility for the use of
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*/
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* this SOFTWARE. If SOFTWARE is modified to produce derivative works,
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/* Copyright 2000, Ron Minnich, Advanced Computing Lab, LANL
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* such modified SOFTWARE should be clearly marked, so as not to confuse
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* rminnich@lanl.gov
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* it with the version available from LANL.
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*
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* Copyright (C) 2000, Ron Minnich rminnich@lanl.gov
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* Advanced Computing Lab, LANL
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*/
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*/
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/** Start code to put an i386 or later processor into 32-bit
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/* Start code to put an i386 or later processor into 32-bit protected mode.
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* protected mode.
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*/
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*/
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/* .section ".rom.text" */
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#include <arch/rom_segs.h>
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#include <arch/rom_segs.h>
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.code16
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.code16
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.globl _start
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.globl _start
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@ -38,12 +39,12 @@ _start:
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post_code(POST_RESET_VECTOR_CORRECT)
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post_code(POST_RESET_VECTOR_CORRECT)
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/* thanks to kmliu@sis.tw.com for this TBL fix ... */
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/* IMMEDIATELY invalidate the translation lookaside buffer (TLB) before
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/**/
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* executing any further code. Even though paging is disabled we
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/* IMMEDIATELY invalidate the translation lookaside buffer before executing*/
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* could still get false address translations due to the TLB if we
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/* any further code. Even though paging is disabled we could still get*/
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* didn't invalidate it. Thanks to kmliu@sis.com.tw for this TLB fix.
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/*false address translations due to the TLB if we didn't invalidate it.*/
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*/
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/**/
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xorl %eax, %eax
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xorl %eax, %eax
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movl %eax, %cr3 /* Invalidate TLB*/
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movl %eax, %cr3 /* Invalidate TLB*/
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