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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.
43 lines
1.5 KiB
C
43 lines
1.5 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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* PUPA 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 PUPA; 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 PUPA_UTIL_MISC_HEADER
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#define PUPA_UTIL_MISC_HEADER 1
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#include <stdlib.h>
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#include <stdio.h>
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extern char *progname;
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extern int verbosity;
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void pupa_util_info (const char *fmt, ...);
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void pupa_util_error (const char *fmt, ...) __attribute__ ((noreturn));
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void *xmalloc (size_t size);
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void *xrealloc (void *ptr, size_t size);
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char *xstrdup (const char *str);
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char *pupa_util_get_path (const char *dir, const char *file);
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size_t pupa_util_get_image_size (const char *path);
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char *pupa_util_read_image (const char *path);
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void pupa_util_load_image (const char *path, char *buf);
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void pupa_util_write_image (const char *img, size_t size, FILE *out);
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#endif /* ! PUPA_UTIL_MISC_HEADER */
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