65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2002,2004,2005,2007 Free Software Foundation, Inc.
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*
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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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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_INIT_MACHINE_HEADER
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#define GRUB_INIT_MACHINE_HEADER 1
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#include <grub/types.h>
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#include <grub/symbol.h>
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/* FIXME: Should these be declared in memory.h? */
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extern grub_size_t EXPORT_VAR(grub_lower_mem);
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extern grub_size_t EXPORT_VAR(grub_upper_mem);
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extern grub_addr_t EXPORT_VAR(grub_os_area_addr);
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extern grub_size_t EXPORT_VAR(grub_os_area_size);
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/* Get the memory size in KB. If EXTENDED is zero, return conventional
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memory, otherwise return extended memory. */
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grub_uint16_t grub_get_memsize (int extended);
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/* Get a packed EISA memory map. Lower 16 bits are between 1MB and 16MB
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in 1KB parts, and upper 16 bits are above 16MB in 64KB parts. */
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grub_uint32_t grub_get_eisa_mmap (void);
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struct grub_machine_mmap_entry
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{
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grub_uint32_t size;
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grub_uint64_t addr;
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grub_uint64_t len;
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grub_uint32_t type;
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};
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/* Get a memory map entry. Return next continuation value. Zero means
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the end. */
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grub_uint32_t grub_get_mmap_entry (struct grub_machine_mmap_entry *entry,
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grub_uint32_t cont);
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/* Turn on/off Gate A20. */
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void grub_gate_a20 (int on);
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/* Reboot the machine. */
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void EXPORT_FUNC (grub_reboot) (void);
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/* Halt the system, using APM if possible. If NO_APM is true, don't
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* use APM even if it is available. */
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void EXPORT_FUNC (grub_halt) (int no_apm);
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#endif /* ! GRUB_INIT_MACHINE_HEADER */
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