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2003-01-31 Yoshinori K. Okuji <okuji@enbug.org>

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* kern/i386/pc/lzo1x.S: New file.

	* util/i386/pc/pupa-mkimage.c: Include lzo1x.h.
	(compress_kernel): New variable.
	(generate_image): Heavily modified to support compressing a
	large part of the core image.

	* util/misc.c (pupa_util_read_image): Fix a file descriptor
	leak.
	(pupa_util_load_image): New function.

	* kern/i386/pc/startup.S: Include pupa/machine/kernel.h.
	(pupa_compressed_size): New variable.
	(codestart): Enable Gate A20 here.
	Decompress the compressed part of the core image.
	Rearrange the code to put functions and variables which are
	required for initialization in the non-compressed part.
	Include lzo1x.S.

	* kern/i386/pc/init.c (pupa_machine_init): Don't enable Gate A20
	here.

	* include/pupa/util/misc.h (pupa_util_write_image): Declared.

	* include/pupa/i386/pc/kernel.h
	(PUPA_KERNEL_MACHINE_COMPRESSED_SIZE): New macro.
	(PUPA_KERNEL_MACHINE_INSTALL_DOS_PART): Increased by 4.
	(PUPA_KERNEL_MACHINE_INSTALL_BSD_PART): Likewise.
	(PUPA_KERNEL_MACHINE_PREFIX): Likewise.
	(PUPA_KERNEL_MACHINE_RAW_SIZE): New macro.

	* conf/i386-pc.rmk (pupa_mkimage_LDFLAGS): New variable.

	* genmk.rb (Image#rule): Put LDFLAGS at the end of a line.
	(Utility#rule): Likewise.

	* configure.ac: Check if LZO is available.
This commit is contained in:
okuji 2003-01-31 03:26:56 +00:00
parent ce5bf700ca
commit 1f5ab4280a
18 changed files with 931 additions and 298 deletions
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11
configure.ac
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@ -1,6 +1,6 @@
# Process this file with autoconf to produce a configure script.
# Copyright (C) 2002 Yoshinori K. Okuji <okuji@enbug.org>
# Copyright (C) 2002,2003 Yoshinori K. Okuji <okuji@enbug.org>
#
# This configure.ac is free software; the author
# gives unlimited permission to copy and/or distribute it,
@ -117,9 +117,18 @@ tmp_CPPFLAGS="$CPPFLAGS"
CC="$BUILD_CC"
CFLAGS="$BUILD_CFLAGS"
CPPFLAGS="$BUILD_CPPFLAGS"
# Identify characteristics of the build architecture.
AC_C_BIGENDIAN
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(long)
# Check LZO.
AC_CHECK_LIB(lzo, __lzo_init2, ,
AC_MSG_ERROR([LZO library version 1.02 or later is required]))
AC_CHECK_FUNC(lzo1x_999_compress, ,
[AC_MSG_ERROR([LZO1X-999 must be enabled])])
CC="$tmp_CC"
CFLAGS="$tmp_CFLAGS"
CPPFLAGS="$tmp_CPPFLAGS"