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Guo Dong
5e10bd1e07
To align with EDK2, update file license to use BSD+Patent license Signed-off-by: Guo Dong <guo.dong@intel.com>
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/** @file
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CPU Exception Handler Library.
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Copyright (c) 2012 - 2017, 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_EXCEPTION_LIB_H_
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#define _CPU_EXCEPTION_LIB_H_
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#define CPU_EXCEPTION_NUM 32
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#define CPU_INTERRUPT_NUM 256
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//
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// Record exception handler information
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//
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typedef struct {
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UINTN ExceptionStart;
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UINTN ExceptionStubHeaderSize;
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} EXCEPTION_HANDLER_TEMPLATE_MAP;
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/**
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Return address map of exception handler template so that C code can generate
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exception tables.
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@param AddressMap[in, out] Pointer to a buffer where the address map is returned.
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**/
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VOID
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EFIAPI
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AsmGetTemplateAddressMap (
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OUT EXCEPTION_HANDLER_TEMPLATE_MAP *AddressMap
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);
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/**
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Update exception handler in IDT table .
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This function is used to update the IDT exception handler with current stage.
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@param[in] IdtDescriptor If not NULL, it is new IDT descriptor to be updated.
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if it is NULL, the IDT descriptor will be retrieved from IDT base register.
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**/
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VOID
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UpdateExceptionHandler (
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IN IA32_DESCRIPTOR *IdtDescriptor
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);
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#endif
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