51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
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* PUPA -- Preliminary Universal Programming Architecture for GRUB
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* Copyright (C) 2002 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 PUPA_INIT_MACHINE_HEADER
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#define PUPA_INIT_MACHINE_HEADER 1
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#include <pupa/types.h>
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#include <pupa/symbol.h>
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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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pupa_uint16_t pupa_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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pupa_uint32_t pupa_get_eisa_mmap (void);
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struct pupa_machine_mmap_entry
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{
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pupa_uint32_t size;
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pupa_uint64_t addr;
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pupa_uint64_t len;
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pupa_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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pupa_uint32_t pupa_get_mmap_entry (struct pupa_machine_mmap_entry *entry,
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pupa_uint32_t cont);
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/* Turn on/off Gate A20. */
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void EXPORT_FUNC(pupa_gate_a20) (int on);
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#endif /* ! PUPA_INIT_MACHINE_HEADER */
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