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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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4
THANKS
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@ -9,8 +9,8 @@ generally assist in the PUPA maintainership process:
NIIBE Yutaka <gniibe@m17n.org>
Tsuneyoshi Yasuo <tuneyoshi@naic.co.jp>
Also, we thank the projects GNU GRUB and GNU Automake. Some code were
stolen from them.
Also, we thank the projects GNU GRUB, GNU Automake and LZO. Some code
were stolen from them.
This project is supported by Information-technology Promotion Agency,
Japan.