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a4d784eeab
This macro is controversial for arches where the bits are numbered MSb first, though we don't support such an arch. We've seen this macro creep into our tree in different places, so provide it in one place. Change-Id: I86cd8a16420f34ef31b615aec4e0f7bd3191ca35 Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-on: http://review.coreboot.org/8280 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@gmail.com> Reviewed-by: David Hendricks <dhendrix@chromium.org>
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2009 coresystems GmbH
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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; version 2 of the License.
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __TYPES_H
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#define __TYPES_H
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#include <stdint.h>
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#include <stddef.h>
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/*
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* This may mean something else on architectures where the bits are numbered
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* from the MSB (e.g. PowerPC), but until we cross that bridge, this macro is
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* perfectly fine.
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*/
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#define BIT(x) (1ul << (x))
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/**
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* Coreboot error codes
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*
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* When building functions that return a status or an error code, use cb_err as
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* the return type. When failure reason needs to be communicated by the return
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* value, define a it here. Start new enum groups with values in decrements of
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* 100.
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*/
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enum cb_err {
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CB_SUCCESS = 0, /**< Call completed succesfully */
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CB_ERR = -1, /**< Generic error code */
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CB_ERR_ARG = -2, /**< Invalid argument */
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/* NVRAM/CMOS errors */
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CB_CMOS_OTABLE_DISABLED = -100, /**< Option table disabled */
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CB_CMOS_LAYOUT_NOT_FOUND = -101, /**< Layout file not found */
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CB_CMOS_OPTION_NOT_FOUND = -102, /**< Option string not found */
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CB_CMOS_ACCESS_ERROR = -103, /**< CMOS access error */
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CB_CMOS_CHECKSUM_INVALID = -104, /**< CMOS checksum is invalid */
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/* Keyboard test failures */
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CB_KBD_CONTROLLER_FAILURE = -200,
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CB_KBD_INTERFACE_FAILURE = -201
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};
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#endif /* __TYPES_H */
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