2009-07-19 Pavel Roskin <proski@gnu.org>
* Makefile.in: Remove LIBLZO and enable_lzo. * conf/i386-pc.rmk: Remove lzo support. * configure.ac: Remove checks for lzo, don't define ENABLE_LZMA. * include/grub/i386/pc/kernel.h: Define ENABLE_LZMA. Remove lzo support. * kern/i386/pc/lzo1x.S: Remove. * kern/i386/pc/startup.S: Remove lzo support. * util/i386/pc/grub-mkimage.c: Likewise.
This commit is contained in:
proski
parent
ac70fa32dd
commit
5680109e00
11
ChangeLog
11
ChangeLog
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@ -1,3 +1,14 @@
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2009-07-19 Pavel Roskin <proski@gnu.org>
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* Makefile.in: Remove LIBLZO and enable_lzo.
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* conf/i386-pc.rmk: Remove lzo support.
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* configure.ac: Remove checks for lzo, don't define ENABLE_LZMA.
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* include/grub/i386/pc/kernel.h: Define ENABLE_LZMA. Remove lzo
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support.
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* kern/i386/pc/lzo1x.S: Remove.
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* kern/i386/pc/startup.S: Remove lzo support.
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* util/i386/pc/grub-mkimage.c: Likewise.
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2009-07-19 Vladimir Serbinenko <phcoder@gmail.com>
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* disk/usbms.c (grub_usbms_transfer): Fix double semicolon.
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1
INSTALL
1
INSTALL
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@ -16,7 +16,6 @@ configuring the GRUB.
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* GNU Bison
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* GNU binutils 2.9.1.0.23 or later
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* Other standard GNU/Unix tools
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* LZO 1.02 or later (optional)
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* Ruby 1.6 or later
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* Autoconf 2.59 or later
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@ -94,7 +94,6 @@ HELP2MAN := LANG=C $(HELP2MAN) --no-info --source=FSF
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endif
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AWK = @AWK@
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LIBCURSES = @LIBCURSES@
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LIBLZO = @LIBLZO@
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LIBUSB = @LIBUSB@
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YACC = @YACC@
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UNIFONT_BDF = @UNIFONT_BDF@
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@ -104,7 +103,6 @@ enable_grub_emu = @enable_grub_emu@
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enable_grub_emu_usb = @enable_grub_emu_usb@
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enable_grub_fstest = @enable_grub_fstest@
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enable_grub_pe2elf = @enable_grub_pe2elf@
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enable_lzo = @enable_lzo@
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enable_grub_mkfont = @enable_grub_mkfont@
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freetype_cflags = @freetype_cflags@
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freetype_libs = @freetype_libs@
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2
NEWS
2
NEWS
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@ -26,7 +26,7 @@ New in 1.97 - :
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* Add x86_64 EFI support.
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* Add support for LZMA compression.
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* Use LZMA compression instead of LZO.
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* Support for saving the environment from and loading the environment
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from a file.
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2
THANKS
2
THANKS
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@ -30,7 +30,7 @@ Vincent Guffens <guffens@inma.ucl.ac.be>
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Vincent Pelletier <subdino2004@yahoo.fr>
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Vladimir Serbinenko <phcoder@gmail.com>
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Also, we thank the projects GNU Automake and LZO. Some code
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Also, we thank the projects GNU Automake and LZMA. Some code
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was stolen from them.
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This project was supported by Information-technology Promotion Agency,
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@ -89,14 +89,8 @@ sbin_UTILITIES += grub-emu
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endif
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# For grub-mkimage.
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ifeq ($(enable_lzo), yes)
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grub_mkimage_SOURCES = util/i386/pc/grub-mkimage.c util/misc.c \
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util/resolve.c
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grub_mkimage_LDFLAGS = $(LIBLZO)
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else
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grub_mkimage_SOURCES = util/i386/pc/grub-mkimage.c util/misc.c \
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util/resolve.c lib/LzmaEnc.c lib/LzFind.c
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endif
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grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR)
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util/i386/pc/grub-mkimage.c_DEPENDENCIES = Makefile
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33
configure.ac
33
configure.ac
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@ -171,32 +171,6 @@ if test x$grub_cv_apple_cc = xyes ; then
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ASFLAGS="$ASFLAGS -DAPPLE_CC=1"
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fi
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# Check LZO when compiling for the i386-pc.
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if test "$target_cpu"-"$platform" = i386-pc; then
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AC_ARG_ENABLE([lzo],
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[AS_HELP_STRING([--enable-lzo],
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[use lzo to compress kernel (default is lzma)])])
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[if [ x"$enable_lzo" = xyes ]; then
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# There are three possibilities. LZO version 2 installed with the name
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# liblzo2, with the name liblzo, and LZO version 1.]
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AC_DEFINE([ENABLE_LZO], [1], [Use lzo compression])
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AC_CHECK_LIB([lzo2], [__lzo_init_v2], [LIBLZO="-llzo2"],
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[AC_CHECK_LIB([lzo], [__lzo_init_v2], [LIBLZO="-llzo"],
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[AC_CHECK_LIB([lzo], [__lzo_init2], [LIBLZO="-llzo"],
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[AC_MSG_ERROR([LZO library version 1.02 or later is required])])])])
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AC_SUBST([LIBLZO])
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[LIBS="$LIBS $LIBLZO"]
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AC_CHECK_FUNC([lzo1x_999_compress], ,
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[AC_MSG_ERROR([LZO1X-999 must be enabled])])
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[# LZO version 2 uses lzo/lzo1x.h, while LZO version 1 uses lzo1x.h.]
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AC_CHECK_HEADERS([lzo/lzo1x.h lzo1x.h])
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[else]
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AC_DEFINE([ENABLE_LZMA], [1], [Use lzma compression])
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[fi]
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AC_SUBST([enable_lzo])
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fi
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# Check for functions.
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AC_CHECK_FUNCS(posix_memalign memalign asprintf)
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@ -607,13 +581,6 @@ AC_OUTPUT
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echo "*******************************************************"
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echo GRUB2 will be compiled with following components:
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echo Platform: "$target_cpu"-"$platform"
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if test "$target_cpu"-"$platform" = i386-pc; then
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if [ x"$enable_lzo" = xyes ]; then
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echo Compression: LZO
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else
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echo Compression: LZMA
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fi
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fi
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if [ x"$grub_emu_excuse" = x ]; then
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echo grub-emu: Yes
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else
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@ -41,11 +41,10 @@
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#define GRUB_KERNEL_MACHINE_DATA_END 0x5c
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/* The size of the first region which won't be compressed. */
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#if defined(ENABLE_LZO)
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#define GRUB_KERNEL_MACHINE_RAW_SIZE (GRUB_KERNEL_MACHINE_DATA_END + 0x450)
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#elif defined(ENABLE_LZMA)
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#define GRUB_KERNEL_MACHINE_RAW_SIZE (GRUB_KERNEL_MACHINE_DATA_END + 0x5F0)
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#endif
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/* Enable LZMA compression */
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#define ENABLE_LZMA 1
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#ifndef ASM_FILE
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@ -1,315 +0,0 @@
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 1996-2002 Markus Franz Xaver Johannes Oberhumer
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* Copyright (C) 2003,2007 Free Software Foundation, Inc.
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*
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* GRUB 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 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* This code was stolen from the files enter.sh, leave.sh, lzo1x_d.sh,
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* lzo1x_f.s and lzo_asm.h in LZO version 1.08, and was heavily modified
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* to adapt it to GRUB's requirement.
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*
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* See <http://www.oberhumer.com/opensource/lzo/>, for more information
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* about LZO.
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*/
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#define INP 4+16(%esp)
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#define INS 8+16(%esp)
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#define OUTP 12+16(%esp)
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#define NN 3
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#define N_3 %ebp
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#define N_255 $255
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#define LODSB movb (%esi), %al ; incl %esi
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#define NOTL_3(r) xorl N_3, r
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#define MOVSL(r1,r2,x) movl (r1), x ; addl $4, r1 ; movl x, (r2) ; addl $4, r2
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#define COPYL_C(r1,r2,x,rc) 9: MOVSL(r1,r2,x) ; decl rc ; jnz 9b
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#define COPYL(r1,r2,x) COPYL_C(r1,r2,x,%ecx)
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lzo1x_decompress:
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pushl %ebp
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pushl %edi
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pushl %esi
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pushl %ebx
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cld
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movl INP, %esi
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movl OUTP, %edi
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movl $3, %ebp
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xorl %eax, %eax
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xorl %ebx, %ebx /* high bits 9-32 stay 0 */
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lodsb
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cmpb $17, %al
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jbe .L01
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subb $17-NN, %al
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jmp .LFLR
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/***********************************************************************
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// literal run
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************************************************************************/
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0: addl N_255, %eax
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1: movb (%esi), %bl
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incl %esi
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orb %bl, %bl
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jz 0b
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leal 18+NN(%eax,%ebx), %eax
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jmp 3f
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.L00:
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LODSB
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.L01:
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cmpb $16, %al
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jae .LMATCH
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/* a literal run */
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orb %al, %al
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jz 1b
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addl $3+NN, %eax
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3:
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.LFLR:
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movl %eax, %ecx
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NOTL_3(%eax)
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shrl $2, %ecx
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andl N_3, %eax
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COPYL(%esi,%edi,%edx)
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subl %eax, %esi
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subl %eax, %edi
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LODSB
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cmpb $16, %al
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jae .LMATCH
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/***********************************************************************
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// R1
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************************************************************************/
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shrl $2, %eax
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movb (%esi), %bl
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leal -0x801(%edi), %edx
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leal (%eax,%ebx,4), %eax
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incl %esi
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subl %eax, %edx
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movl (%edx), %ecx
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movl %ecx, (%edi)
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addl N_3, %edi
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jmp .LMDONE
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/***********************************************************************
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// M2
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************************************************************************/
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.LMATCH:
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cmpb $64, %al
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jb .LM3MATCH
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/* a M2 match */
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movl %eax, %ecx
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shrl $2, %eax
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leal -1(%edi), %edx
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andl $7, %eax
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movb (%esi), %bl
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shrl $5, %ecx
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leal (%eax,%ebx,8), %eax
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incl %esi
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subl %eax, %edx
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addl $1+3, %ecx
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cmpl N_3, %eax
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jae .LCOPYLONG
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jmp .LCOPYBYTE
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/***********************************************************************
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// M3
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************************************************************************/
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0: addl N_255, %eax
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1: movb (%esi), %bl
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incl %esi
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orb %bl, %bl
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jz 0b
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leal 33+NN(%eax,%ebx), %ecx
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xorl %eax, %eax
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jmp 3f
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.LM3MATCH:
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cmpb $32, %al
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jb .LM4MATCH
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/* a M3 match */
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andl $31, %eax
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jz 1b
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lea 2+NN(%eax), %ecx
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3:
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movw (%esi), %ax
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leal -1(%edi), %edx
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shrl $2, %eax
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addl $2, %esi
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subl %eax, %edx
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cmpl N_3, %eax
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jb .LCOPYBYTE
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/***********************************************************************
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// copy match
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************************************************************************/
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.LCOPYLONG: /* copy match using longwords */
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leal -3(%edi,%ecx), %eax
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shrl $2, %ecx
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COPYL(%edx,%edi,%ebx)
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movl %eax, %edi
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xorl %ebx, %ebx
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.LMDONE:
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movb -2(%esi), %al
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andl N_3, %eax
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jz .L00
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.LFLR3:
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movl (%esi), %edx
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addl %eax, %esi
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movl %edx, (%edi)
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addl %eax, %edi
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|
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LODSB
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jmp .LMATCH
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.LCOPYBYTE: /* copy match using bytes */
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xchgl %edx,%esi
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subl N_3,%ecx
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rep
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movsb
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movl %edx, %esi
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jmp .LMDONE
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||||
|
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/***********************************************************************
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// M4
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************************************************************************/
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||||
|
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0: addl N_255, %ecx
|
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1: movb (%esi), %bl
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incl %esi
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||||
orb %bl, %bl
|
||||
jz 0b
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leal 9+NN(%ebx,%ecx), %ecx
|
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jmp 3f
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||||
|
||||
|
||||
.LM4MATCH:
|
||||
cmpb $16, %al
|
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jb .LM1MATCH
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||||
|
||||
/* a M4 match */
|
||||
movl %eax, %ecx
|
||||
andl $8, %eax
|
||||
shll $13, %eax /* save in bit 16 */
|
||||
andl $7, %ecx
|
||||
jz 1b
|
||||
addl $2+NN, %ecx
|
||||
3:
|
||||
movw (%esi), %ax
|
||||
addl $2, %esi
|
||||
leal -0x4000(%edi), %edx
|
||||
shrl $2, %eax
|
||||
jz .LEOF
|
||||
subl %eax, %edx
|
||||
jmp .LCOPYLONG
|
||||
|
||||
|
||||
/***********************************************************************
|
||||
// M1
|
||||
************************************************************************/
|
||||
|
||||
.LM1MATCH:
|
||||
/* a M1 match */
|
||||
shrl $2, %eax
|
||||
movb (%esi), %bl
|
||||
leal -1(%edi), %edx
|
||||
leal (%eax,%ebx,4), %eax
|
||||
incl %esi
|
||||
subl %eax, %edx
|
||||
|
||||
movb (%edx), %al /* we must use this because edx can be edi-1 */
|
||||
movb %al, (%edi)
|
||||
movb 1(%edx), %bl
|
||||
movb %bl, 1(%edi)
|
||||
addl $2, %edi
|
||||
jmp .LMDONE
|
||||
|
||||
|
||||
/***********************************************************************
|
||||
//
|
||||
************************************************************************/
|
||||
|
||||
.LEOF:
|
||||
/**** xorl %eax,%eax eax=0 from above */
|
||||
|
||||
cmpl $3+NN, %ecx /* ecx must be 3/6 */
|
||||
setnz %al
|
||||
|
||||
/* check compressed size */
|
||||
movl INP, %edx
|
||||
addl INS, %edx
|
||||
cmpl %edx, %esi /* check compressed size */
|
||||
ja .L_input_overrun
|
||||
jb .L_input_not_consumed
|
||||
|
||||
.L_leave:
|
||||
negl %eax
|
||||
jnz 1f
|
||||
|
||||
subl OUTP, %edi /* write back the uncompressed size */
|
||||
movl %edi, %eax
|
||||
|
||||
1: popl %ebx
|
||||
popl %esi
|
||||
popl %edi
|
||||
popl %ebp
|
||||
ret
|
||||
|
||||
.L_input_not_consumed:
|
||||
movl $8, %eax /* LZO_E_INPUT_NOT_CONSUMED */
|
||||
jmp .L_leave
|
||||
|
||||
.L_input_overrun:
|
||||
movl $4, %eax /* LZO_E_INPUT_OVERRUN */
|
||||
jmp .L_leave
|
||||
|
||||
#undef INP
|
||||
#undef INS
|
||||
#undef OUTP
|
||||
#undef NN
|
||||
#undef NN
|
||||
#undef N_3
|
||||
#undef N_255
|
||||
#undef LODSB
|
||||
#undef NOTL_3
|
||||
#undef MOVSL
|
||||
#undef COPYL_C
|
||||
#undef COPYL
|
||||
|
|
@ -210,20 +210,7 @@ codestart:
|
|||
incl %eax
|
||||
call EXT_C(grub_gate_a20)
|
||||
|
||||
#if defined(ENABLE_LZO)
|
||||
/* decompress the compressed part and put the result at 1MB */
|
||||
movl $GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR, %esi
|
||||
movl $(_start + GRUB_KERNEL_MACHINE_RAW_SIZE), %edi
|
||||
|
||||
pushl %esi
|
||||
pushl EXT_C(grub_compressed_size)
|
||||
pushl %edi
|
||||
call lzo1x_decompress
|
||||
addl $12, %esp
|
||||
|
||||
movl %eax, %ecx
|
||||
cld
|
||||
#elif defined(ENABLE_LZMA)
|
||||
#ifdef ENABLE_LZMA
|
||||
movl $GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR, %edi
|
||||
movl $(_start + GRUB_KERNEL_MACHINE_RAW_SIZE), %esi
|
||||
pushl %edi
|
||||
|
|
@ -451,9 +438,7 @@ gate_a20_check_state:
|
|||
popl %ebx
|
||||
ret
|
||||
|
||||
#if defined(ENABLE_LZO)
|
||||
#include "lzo1x.S"
|
||||
#elif defined(ENABLE_LZMA)
|
||||
#ifdef ENABLE_LZMA
|
||||
#include "lzma_decode.S"
|
||||
#endif
|
||||
|
||||
|
|
|
|||
|
|
@ -36,57 +36,9 @@
|
|||
#define _GNU_SOURCE 1
|
||||
#include <getopt.h>
|
||||
|
||||
#if defined(ENABLE_LZO)
|
||||
|
||||
#if defined(HAVE_LZO_LZO1X_H)
|
||||
# include <lzo/lzo1x.h>
|
||||
#elif defined(HAVE_LZO1X_H)
|
||||
# include <lzo1x.h>
|
||||
#endif
|
||||
|
||||
#elif defined(ENABLE_LZMA)
|
||||
|
||||
#ifdef ENABLE_LZMA
|
||||
#include <grub/lib/LzmaEnc.h>
|
||||
|
||||
#endif
|
||||
|
||||
#if defined(ENABLE_LZO)
|
||||
|
||||
static void
|
||||
compress_kernel (char *kernel_img, size_t kernel_size,
|
||||
char **core_img, size_t *core_size)
|
||||
{
|
||||
lzo_uint size;
|
||||
char *wrkmem;
|
||||
|
||||
if (kernel_size < GRUB_KERNEL_MACHINE_RAW_SIZE)
|
||||
grub_util_error ("the core image is too small");
|
||||
|
||||
if (lzo_init () != LZO_E_OK)
|
||||
grub_util_error ("cannot initialize LZO");
|
||||
|
||||
*core_img = xmalloc (kernel_size + kernel_size / 64 + 16 + 3);
|
||||
wrkmem = xmalloc (LZO1X_999_MEM_COMPRESS);
|
||||
|
||||
memcpy (*core_img, kernel_img, GRUB_KERNEL_MACHINE_RAW_SIZE);
|
||||
|
||||
grub_util_info ("compressing the core image");
|
||||
if (lzo1x_999_compress ((const lzo_byte *) (kernel_img
|
||||
+ GRUB_KERNEL_MACHINE_RAW_SIZE),
|
||||
kernel_size - GRUB_KERNEL_MACHINE_RAW_SIZE,
|
||||
(lzo_byte *) (*core_img
|
||||
+ GRUB_KERNEL_MACHINE_RAW_SIZE),
|
||||
&size, wrkmem)
|
||||
!= LZO_E_OK)
|
||||
grub_util_error ("cannot compress the kernel image");
|
||||
|
||||
free (wrkmem);
|
||||
|
||||
*core_size = (size_t) size + GRUB_KERNEL_MACHINE_RAW_SIZE;
|
||||
}
|
||||
|
||||
#elif defined(ENABLE_LZMA)
|
||||
|
||||
static void *SzAlloc(void *p, size_t size) { p = p; return xmalloc(size); }
|
||||
static void SzFree(void *p, void *address) { p = p; free(address); }
|
||||
static ISzAlloc g_Alloc = { SzAlloc, SzFree };
|
||||
|
|
@ -124,7 +76,7 @@ compress_kernel (char *kernel_img, size_t kernel_size,
|
|||
*core_size += GRUB_KERNEL_MACHINE_RAW_SIZE;
|
||||
}
|
||||
|
||||
#else
|
||||
#else /* No lzma compression */
|
||||
|
||||
static void
|
||||
compress_kernel (char *kernel_img, size_t kernel_size,
|
||||
|
|
@ -135,7 +87,7 @@ compress_kernel (char *kernel_img, size_t kernel_size,
|
|||
*core_size = kernel_size;
|
||||
}
|
||||
|
||||
#endif
|
||||
#endif /* No lzma compression */
|
||||
|
||||
static void
|
||||
generate_image (const char *dir, char *prefix, FILE *out, char *mods[],
|
||||
|
|
|
|||
Loading…
Reference in New Issue