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1f5ab4280a
* 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.
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/*
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* PUPA -- Preliminary Universal Programming Architecture for GRUB
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* Copyright (C) 2002,2003 Yoshinori K. Okuji <okuji@enbug.org>
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef KERNEL_MACHINE_HEADER
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#define KERNEL_MACHINE_HEADER 1
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/* The offset of PUPA_TOTAL_MODULE_SIZE. */
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#define PUPA_KERNEL_MACHINE_TOTAL_MODULE_SIZE 0x8
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/* The offset of PUPA_KERNEL_IMAGE_SIZE. */
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#define PUPA_KERNEL_MACHINE_KERNEL_IMAGE_SIZE 0xc
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/* The offset of PUPA_COMPRESSED_SIZE. */
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#define PUPA_KERNEL_MACHINE_COMPRESSED_SIZE 0x10
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/* The offset of PUPA_INSTALL_DOS_PART. */
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#define PUPA_KERNEL_MACHINE_INSTALL_DOS_PART 0x14
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/* The offset of PUPA_INSTALL_BSD_PART. */
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#define PUPA_KERNEL_MACHINE_INSTALL_BSD_PART 0x18
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/* The offset of PUPA_PREFIX. */
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#define PUPA_KERNEL_MACHINE_PREFIX 0x1c
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/* The size of the first region which won't be compressed. */
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#define PUPA_KERNEL_MACHINE_RAW_SIZE 0x400
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#ifndef ASM_FILE
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#include <pupa/types.h>
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/* The DOS partition number of the installed partition. */
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extern pupa_int32_t pupa_install_dos_part;
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/* The BSD partition number of the installed partition. */
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extern pupa_int32_t pupa_install_bsd_part;
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/* The prefix which points to the directory where PUPA modules and its
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configuration file are located. */
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extern char pupa_prefix[];
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/* The boot BIOS drive number. */
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extern pupa_int32_t pupa_boot_drive;
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#endif /* ! ASM_FILE */
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#endif /* ! KERNEL_MACHINE_HEADER */
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