58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
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/*
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efi.[ch] - Manipulates EFI variables as exported in /proc/efi/vars
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Copyright (C) 2001 Dell Computer Corporation <Matt_Domsch@dell.com>
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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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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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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef EFI_H
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#define EFI_H
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/*
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* Extensible Firmware Interface
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* Based on 'Extensible Firmware Interface Specification'
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* version 1.02, 12 December, 2000
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*/
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#include <stdint.h>
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typedef struct {
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uint8_t b[16];
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} efi_guid_t;
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#define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \
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((efi_guid_t) \
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{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
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(b) & 0xff, ((b) >> 8) & 0xff, \
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(c) & 0xff, ((c) >> 8) & 0xff, \
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(d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
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/******************************************************
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* GUIDs
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******************************************************/
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#define NULL_GUID \
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EFI_GUID( 0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
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static inline int
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efi_guidcmp(efi_guid_t left, efi_guid_t right)
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{
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return memcmp(&left, &right, sizeof (efi_guid_t));
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}
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typedef uint16_t efi_char16_t; /* UNICODE character */
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#endif /* EFI_H */
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