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38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/** @file
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C based implementation of IA32 interrupt handling only
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requiring a minimal assembly interrupt entry point.
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Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _CPU_GDT_H_
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#define _CPU_GDT_H_
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//
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// Local structure definitions
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//
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#define NULL_SEL OFFSET_OF (GDT, Null)
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#define LINEAR_SEL OFFSET_OF (GDT, Linear)
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#define LINEAR_CODE_SEL OFFSET_OF (GDT, LinearCode)
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#define SYS_DATA_SEL OFFSET_OF (GDT, SysData)
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#define SYS_CODE_SEL OFFSET_OF (GDT, SysCode)
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#define SYS_CODE16_SEL OFFSET_OF (GDT, SysCode16)
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#define LINEAR_DATA64_SEL OFFSET_OF (GDT, LinearData64)
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#define LINEAR_CODE64_SEL OFFSET_OF (GDT, LinearCode64)
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#define SPARE5_SEL OFFSET_OF (GDT, Spare5)
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#if defined (MDE_CPU_IA32)
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#define CPU_CODE_SEL SYS_CODE_SEL
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#define CPU_DATA_SEL SYS_DATA_SEL
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#elif defined (MDE_CPU_X64)
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#define CPU_CODE_SEL LINEAR_CODE64_SEL
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#define CPU_DATA_SEL LINEAR_DATA64_SEL
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#else
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#error CPU type not supported for CPU GDT initialization!
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#endif
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#endif // _CPU_GDT_H_
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