62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2010 coresystems GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by 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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#ifndef __ASSERT_H__
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#define __ASSERT_H__
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#include <arch/hlt.h>
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#include <console/console.h>
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/* GCC and CAR versions */
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#define ASSERT(x) { \
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if (!(x)) { \
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printk(BIOS_EMERG, "ASSERTION ERROR: file '%s'" \
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", line %d\n", __FILE__, __LINE__); \
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if (IS_ENABLED(CONFIG_FATAL_ASSERTS)) \
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hlt(); \
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} \
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}
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#define BUG() { \
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printk(BIOS_EMERG, "ERROR: BUG ENCOUNTERED at file '%s'"\
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", line %d\n", __FILE__, __LINE__); \
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if (IS_ENABLED(CONFIG_FATAL_ASSERTS)) \
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hlt(); \
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}
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#define assert(statement) ASSERT(statement)
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/*
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* These macros can be used to assert that a certain branch of code is dead and
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* will be compile-time eliminated. This differs from _Static_assert(), which
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* will generate a compiler error even if the scope it was called from is dead
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* code. This may be useful to double-check things like constants that are only
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* valid if a certain Kconfig option is set.
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*/
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#define __dead_code(message, line) do { \
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__attribute__((error(#message " in " __FILE__ ":" #line))) \
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extern void dead_code_assertion_failed_##line(void); \
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dead_code_assertion_failed_##line(); \
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} while (0)
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#define _dead_code(message, line) __dead_code(message, line)
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#define dead_code(message) _dead_code(message, __LINE__)
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/* This can be used in the context of an expression of type 'type'. */
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#define dead_code_t(type, message) ({ \
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dead_code(message); \
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*(type *)(uintptr_t)0; \
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})
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#endif // __ASSERT_H__
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