2008-01-16 Robert Millan <rmh@aybabtu.com>
* include/grub/i386/linuxbios/memory.h (GRUB_MEMORY_MACHINE_LINUXBIOS_TABLE_ADDR): Remove macro. * kern/i386/linuxbios/table.c (grub_linuxbios_table_iterate): Do not receive `table_header' as argument. Instead, probe for it in the known memory ranges where it can be present. (grub_available_iterate): Do not pass a fixed `table_header' address to grub_linuxbios_table_iterate().
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58ec9deb2a
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3 changed files with 36 additions and 9 deletions
10
ChangeLog
10
ChangeLog
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@ -1,3 +1,13 @@
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2008-01-16 Robert Millan <rmh@aybabtu.com>
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* include/grub/i386/linuxbios/memory.h
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(GRUB_MEMORY_MACHINE_LINUXBIOS_TABLE_ADDR): Remove macro.
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* kern/i386/linuxbios/table.c (grub_linuxbios_table_iterate): Do not
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receive `table_header' as argument. Instead, probe for it in the
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known memory ranges where it can be present.
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(grub_available_iterate): Do not pass a fixed `table_header' address
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to grub_linuxbios_table_iterate().
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2008-01-15 Robert Millan <rmh@aybabtu.com>
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2008-01-15 Robert Millan <rmh@aybabtu.com>
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* configure.ac: Add `i386-ieee1275' to the list of supported targets.
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* configure.ac: Add `i386-ieee1275' to the list of supported targets.
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@ -28,8 +28,6 @@
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#include <grub/err.h>
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#include <grub/err.h>
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#endif
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#endif
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#define GRUB_MEMORY_MACHINE_LINUXBIOS_TABLE_ADDR 0x500
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#define GRUB_MEMORY_MACHINE_LOWER_USABLE 0x9fc00 /* 640 kiB - 1 kiB */
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#define GRUB_MEMORY_MACHINE_LOWER_USABLE 0x9fc00 /* 640 kiB - 1 kiB */
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#define GRUB_MEMORY_MACHINE_LOWER_SIZE 0xf0000 /* 960 kiB */
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#define GRUB_MEMORY_MACHINE_LOWER_SIZE 0xf0000 /* 960 kiB */
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@ -1,6 +1,6 @@
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/*
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/*
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* GRUB -- GRand Unified Bootloader
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2007 Free Software Foundation, Inc.
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* Copyright (C) 2007,2008 Free Software Foundation, Inc.
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*
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*
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* GRUB is free software: you can redistribute it and/or modify
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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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* it under the terms of the GNU General Public License as published by
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@ -21,13 +21,33 @@
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#include <grub/err.h>
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#include <grub/err.h>
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static grub_err_t
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static grub_err_t
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grub_linuxbios_table_iterate (grub_linuxbios_table_header_t table_header,
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grub_linuxbios_table_iterate (int (*hook) (grub_linuxbios_table_item_t))
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int (*hook) (grub_linuxbios_table_item_t))
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{
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{
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grub_linuxbios_table_header_t table_header;
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grub_linuxbios_table_item_t table_item;
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grub_linuxbios_table_item_t table_item;
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if (grub_memcmp (table_header->signature, "LBIO", 4))
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auto int check_signature (grub_linuxbios_table_header_t);
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grub_fatal ("Could not find LinuxBIOS table\n");
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int check_signature (grub_linuxbios_table_header_t table_header)
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{
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if (! grub_memcmp (table_header->signature, "LBIO", 4))
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return 1;
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return 0;
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}
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/* Assuming table_header is aligned to its size (8 bytes). */
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for (table_header = 0x500; table_header < 0x1000; table_header++)
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if (check_signature (table_header))
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goto signature_found;
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for (table_header = 0xf0000; table_header < 0x100000; table_header++)
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if (check_signature (table_header))
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goto signature_found;
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grub_fatal ("Could not find coreboot table\n");
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signature_found:
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table_item =
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table_item =
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(grub_linuxbios_table_item_t) ((long) table_header +
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(grub_linuxbios_table_item_t) ((long) table_header +
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@ -62,8 +82,7 @@ grub_available_iterate (int (*hook) (mem_region_t))
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return 0;
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return 0;
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}
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}
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grub_linuxbios_table_iterate (GRUB_MEMORY_MACHINE_LINUXBIOS_TABLE_ADDR,
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grub_linuxbios_table_iterate (iterate_linuxbios_table);
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iterate_linuxbios_table);
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return 0;
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return 0;
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}
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}
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