mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-04 13:23:26 +01:00
773 lines
20 KiB
C
773 lines
20 KiB
C
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/** @file
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DebugSupport protocol and supporting definitions as defined in the UEFI2.4
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specification.
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The DebugSupport protocol is used by source level debuggers to abstract the
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processor and handle context save and restore operations.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __DEBUG_SUPPORT_H__
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#define __DEBUG_SUPPORT_H__
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#include <IndustryStandard/PeImage.h>
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typedef struct _EFI_DEBUG_SUPPORT_PROTOCOL EFI_DEBUG_SUPPORT_PROTOCOL;
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///
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/// Debug Support protocol {2755590C-6F3C-42FA-9EA4-A3BA543CDA25}.
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///
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#define EFI_DEBUG_SUPPORT_PROTOCOL_GUID \
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{ \
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0x2755590C, 0x6F3C, 0x42FA, {0x9E, 0xA4, 0xA3, 0xBA, 0x54, 0x3C, 0xDA, 0x25 } \
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}
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///
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/// Processor exception to be hooked.
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/// All exception types for IA32, X64, Itanium and EBC processors are defined.
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///
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typedef INTN EFI_EXCEPTION_TYPE;
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///
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/// IA-32 processor exception types.
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///
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#define EXCEPT_IA32_DIVIDE_ERROR 0
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#define EXCEPT_IA32_DEBUG 1
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#define EXCEPT_IA32_NMI 2
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#define EXCEPT_IA32_BREAKPOINT 3
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#define EXCEPT_IA32_OVERFLOW 4
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#define EXCEPT_IA32_BOUND 5
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#define EXCEPT_IA32_INVALID_OPCODE 6
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#define EXCEPT_IA32_DOUBLE_FAULT 8
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#define EXCEPT_IA32_INVALID_TSS 10
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#define EXCEPT_IA32_SEG_NOT_PRESENT 11
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#define EXCEPT_IA32_STACK_FAULT 12
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#define EXCEPT_IA32_GP_FAULT 13
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#define EXCEPT_IA32_PAGE_FAULT 14
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#define EXCEPT_IA32_FP_ERROR 16
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#define EXCEPT_IA32_ALIGNMENT_CHECK 17
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#define EXCEPT_IA32_MACHINE_CHECK 18
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#define EXCEPT_IA32_SIMD 19
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///
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/// FXSAVE_STATE.
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/// FP / MMX / XMM registers (see fxrstor instruction definition).
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///
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typedef struct {
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UINT16 Fcw;
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UINT16 Fsw;
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UINT16 Ftw;
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UINT16 Opcode;
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UINT32 Eip;
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UINT16 Cs;
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UINT16 Reserved1;
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UINT32 DataOffset;
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UINT16 Ds;
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UINT8 Reserved2[10];
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UINT8 St0Mm0[10], Reserved3[6];
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UINT8 St1Mm1[10], Reserved4[6];
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UINT8 St2Mm2[10], Reserved5[6];
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UINT8 St3Mm3[10], Reserved6[6];
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UINT8 St4Mm4[10], Reserved7[6];
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UINT8 St5Mm5[10], Reserved8[6];
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UINT8 St6Mm6[10], Reserved9[6];
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UINT8 St7Mm7[10], Reserved10[6];
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UINT8 Xmm0[16];
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UINT8 Xmm1[16];
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UINT8 Xmm2[16];
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UINT8 Xmm3[16];
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UINT8 Xmm4[16];
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UINT8 Xmm5[16];
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UINT8 Xmm6[16];
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UINT8 Xmm7[16];
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UINT8 Reserved11[14 * 16];
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} EFI_FX_SAVE_STATE_IA32;
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///
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/// IA-32 processor context definition.
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///
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typedef struct {
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UINT32 ExceptionData;
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EFI_FX_SAVE_STATE_IA32 FxSaveState;
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UINT32 Dr0;
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UINT32 Dr1;
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UINT32 Dr2;
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UINT32 Dr3;
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UINT32 Dr6;
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UINT32 Dr7;
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UINT32 Cr0;
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UINT32 Cr1; /* Reserved */
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UINT32 Cr2;
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UINT32 Cr3;
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UINT32 Cr4;
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UINT32 Eflags;
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UINT32 Ldtr;
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UINT32 Tr;
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UINT32 Gdtr[2];
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UINT32 Idtr[2];
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UINT32 Eip;
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UINT32 Gs;
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UINT32 Fs;
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UINT32 Es;
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UINT32 Ds;
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UINT32 Cs;
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UINT32 Ss;
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UINT32 Edi;
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UINT32 Esi;
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UINT32 Ebp;
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UINT32 Esp;
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UINT32 Ebx;
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UINT32 Edx;
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UINT32 Ecx;
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UINT32 Eax;
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} EFI_SYSTEM_CONTEXT_IA32;
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///
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/// x64 processor exception types.
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///
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#define EXCEPT_X64_DIVIDE_ERROR 0
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#define EXCEPT_X64_DEBUG 1
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#define EXCEPT_X64_NMI 2
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#define EXCEPT_X64_BREAKPOINT 3
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#define EXCEPT_X64_OVERFLOW 4
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#define EXCEPT_X64_BOUND 5
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#define EXCEPT_X64_INVALID_OPCODE 6
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#define EXCEPT_X64_DOUBLE_FAULT 8
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#define EXCEPT_X64_INVALID_TSS 10
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#define EXCEPT_X64_SEG_NOT_PRESENT 11
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#define EXCEPT_X64_STACK_FAULT 12
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#define EXCEPT_X64_GP_FAULT 13
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#define EXCEPT_X64_PAGE_FAULT 14
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#define EXCEPT_X64_FP_ERROR 16
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#define EXCEPT_X64_ALIGNMENT_CHECK 17
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#define EXCEPT_X64_MACHINE_CHECK 18
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#define EXCEPT_X64_SIMD 19
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///
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/// FXSAVE_STATE.
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/// FP / MMX / XMM registers (see fxrstor instruction definition).
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///
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typedef struct {
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UINT16 Fcw;
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UINT16 Fsw;
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UINT16 Ftw;
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UINT16 Opcode;
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UINT64 Rip;
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UINT64 DataOffset;
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UINT8 Reserved1[8];
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UINT8 St0Mm0[10], Reserved2[6];
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UINT8 St1Mm1[10], Reserved3[6];
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UINT8 St2Mm2[10], Reserved4[6];
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UINT8 St3Mm3[10], Reserved5[6];
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UINT8 St4Mm4[10], Reserved6[6];
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UINT8 St5Mm5[10], Reserved7[6];
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UINT8 St6Mm6[10], Reserved8[6];
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UINT8 St7Mm7[10], Reserved9[6];
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UINT8 Xmm0[16];
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UINT8 Xmm1[16];
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UINT8 Xmm2[16];
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UINT8 Xmm3[16];
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UINT8 Xmm4[16];
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UINT8 Xmm5[16];
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UINT8 Xmm6[16];
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UINT8 Xmm7[16];
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//
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// NOTE: UEFI 2.0 spec definition as follows.
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//
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UINT8 Reserved11[14 * 16];
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} EFI_FX_SAVE_STATE_X64;
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///
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/// x64 processor context definition.
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///
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typedef struct {
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UINT64 ExceptionData;
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EFI_FX_SAVE_STATE_X64 FxSaveState;
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UINT64 Dr0;
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UINT64 Dr1;
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UINT64 Dr2;
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UINT64 Dr3;
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UINT64 Dr6;
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UINT64 Dr7;
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UINT64 Cr0;
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UINT64 Cr1; /* Reserved */
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UINT64 Cr2;
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UINT64 Cr3;
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UINT64 Cr4;
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UINT64 Cr8;
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UINT64 Rflags;
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UINT64 Ldtr;
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UINT64 Tr;
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UINT64 Gdtr[2];
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UINT64 Idtr[2];
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UINT64 Rip;
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UINT64 Gs;
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UINT64 Fs;
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UINT64 Es;
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UINT64 Ds;
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UINT64 Cs;
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UINT64 Ss;
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UINT64 Rdi;
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UINT64 Rsi;
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UINT64 Rbp;
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UINT64 Rsp;
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UINT64 Rbx;
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UINT64 Rdx;
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UINT64 Rcx;
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UINT64 Rax;
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UINT64 R8;
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UINT64 R9;
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UINT64 R10;
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UINT64 R11;
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UINT64 R12;
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UINT64 R13;
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UINT64 R14;
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UINT64 R15;
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} EFI_SYSTEM_CONTEXT_X64;
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///
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/// Itanium Processor Family Exception types.
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///
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#define EXCEPT_IPF_VHTP_TRANSLATION 0
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#define EXCEPT_IPF_INSTRUCTION_TLB 1
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#define EXCEPT_IPF_DATA_TLB 2
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#define EXCEPT_IPF_ALT_INSTRUCTION_TLB 3
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#define EXCEPT_IPF_ALT_DATA_TLB 4
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#define EXCEPT_IPF_DATA_NESTED_TLB 5
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#define EXCEPT_IPF_INSTRUCTION_KEY_MISSED 6
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#define EXCEPT_IPF_DATA_KEY_MISSED 7
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#define EXCEPT_IPF_DIRTY_BIT 8
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#define EXCEPT_IPF_INSTRUCTION_ACCESS_BIT 9
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#define EXCEPT_IPF_DATA_ACCESS_BIT 10
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#define EXCEPT_IPF_BREAKPOINT 11
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#define EXCEPT_IPF_EXTERNAL_INTERRUPT 12
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//
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// 13 - 19 reserved
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//
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#define EXCEPT_IPF_PAGE_NOT_PRESENT 20
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#define EXCEPT_IPF_KEY_PERMISSION 21
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#define EXCEPT_IPF_INSTRUCTION_ACCESS_RIGHTS 22
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#define EXCEPT_IPF_DATA_ACCESS_RIGHTS 23
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#define EXCEPT_IPF_GENERAL_EXCEPTION 24
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#define EXCEPT_IPF_DISABLED_FP_REGISTER 25
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#define EXCEPT_IPF_NAT_CONSUMPTION 26
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#define EXCEPT_IPF_SPECULATION 27
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//
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// 28 reserved
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//
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#define EXCEPT_IPF_DEBUG 29
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#define EXCEPT_IPF_UNALIGNED_REFERENCE 30
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#define EXCEPT_IPF_UNSUPPORTED_DATA_REFERENCE 31
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#define EXCEPT_IPF_FP_FAULT 32
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#define EXCEPT_IPF_FP_TRAP 33
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#define EXCEPT_IPF_LOWER_PRIVILEGE_TRANSFER_TRAP 34
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#define EXCEPT_IPF_TAKEN_BRANCH 35
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#define EXCEPT_IPF_SINGLE_STEP 36
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//
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// 37 - 44 reserved
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//
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#define EXCEPT_IPF_IA32_EXCEPTION 45
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#define EXCEPT_IPF_IA32_INTERCEPT 46
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#define EXCEPT_IPF_IA32_INTERRUPT 47
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///
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/// IPF processor context definition.
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///
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typedef struct {
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//
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// The first reserved field is necessary to preserve alignment for the correct
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// bits in UNAT and to insure F2 is 16 byte aligned.
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//
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UINT64 Reserved;
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UINT64 R1;
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UINT64 R2;
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UINT64 R3;
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UINT64 R4;
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UINT64 R5;
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UINT64 R6;
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UINT64 R7;
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UINT64 R8;
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UINT64 R9;
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UINT64 R10;
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UINT64 R11;
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UINT64 R12;
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UINT64 R13;
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UINT64 R14;
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UINT64 R15;
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UINT64 R16;
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UINT64 R17;
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UINT64 R18;
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UINT64 R19;
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UINT64 R20;
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UINT64 R21;
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UINT64 R22;
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UINT64 R23;
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UINT64 R24;
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UINT64 R25;
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UINT64 R26;
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UINT64 R27;
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UINT64 R28;
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UINT64 R29;
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UINT64 R30;
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UINT64 R31;
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UINT64 F2[2];
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UINT64 F3[2];
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UINT64 F4[2];
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UINT64 F5[2];
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UINT64 F6[2];
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UINT64 F7[2];
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UINT64 F8[2];
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UINT64 F9[2];
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UINT64 F10[2];
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UINT64 F11[2];
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UINT64 F12[2];
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UINT64 F13[2];
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UINT64 F14[2];
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UINT64 F15[2];
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UINT64 F16[2];
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UINT64 F17[2];
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UINT64 F18[2];
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UINT64 F19[2];
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UINT64 F20[2];
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UINT64 F21[2];
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UINT64 F22[2];
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UINT64 F23[2];
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UINT64 F24[2];
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UINT64 F25[2];
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UINT64 F26[2];
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UINT64 F27[2];
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UINT64 F28[2];
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UINT64 F29[2];
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UINT64 F30[2];
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UINT64 F31[2];
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UINT64 Pr;
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UINT64 B0;
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UINT64 B1;
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UINT64 B2;
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UINT64 B3;
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UINT64 B4;
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UINT64 B5;
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UINT64 B6;
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UINT64 B7;
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//
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// application registers
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//
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UINT64 ArRsc;
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UINT64 ArBsp;
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UINT64 ArBspstore;
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UINT64 ArRnat;
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UINT64 ArFcr;
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UINT64 ArEflag;
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UINT64 ArCsd;
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UINT64 ArSsd;
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UINT64 ArCflg;
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UINT64 ArFsr;
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UINT64 ArFir;
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UINT64 ArFdr;
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UINT64 ArCcv;
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UINT64 ArUnat;
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UINT64 ArFpsr;
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UINT64 ArPfs;
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UINT64 ArLc;
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UINT64 ArEc;
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//
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// control registers
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//
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UINT64 CrDcr;
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UINT64 CrItm;
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UINT64 CrIva;
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UINT64 CrPta;
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UINT64 CrIpsr;
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UINT64 CrIsr;
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UINT64 CrIip;
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UINT64 CrIfa;
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UINT64 CrItir;
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UINT64 CrIipa;
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UINT64 CrIfs;
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UINT64 CrIim;
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UINT64 CrIha;
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//
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// debug registers
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//
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UINT64 Dbr0;
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UINT64 Dbr1;
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UINT64 Dbr2;
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UINT64 Dbr3;
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UINT64 Dbr4;
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UINT64 Dbr5;
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UINT64 Dbr6;
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UINT64 Dbr7;
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UINT64 Ibr0;
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UINT64 Ibr1;
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UINT64 Ibr2;
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UINT64 Ibr3;
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UINT64 Ibr4;
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UINT64 Ibr5;
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UINT64 Ibr6;
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UINT64 Ibr7;
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//
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// virtual registers - nat bits for R1-R31
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//
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UINT64 IntNat;
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} EFI_SYSTEM_CONTEXT_IPF;
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///
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/// EBC processor exception types.
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///
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#define EXCEPT_EBC_UNDEFINED 0
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#define EXCEPT_EBC_DIVIDE_ERROR 1
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#define EXCEPT_EBC_DEBUG 2
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#define EXCEPT_EBC_BREAKPOINT 3
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#define EXCEPT_EBC_OVERFLOW 4
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#define EXCEPT_EBC_INVALID_OPCODE 5 ///< Opcode out of range.
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#define EXCEPT_EBC_STACK_FAULT 6
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#define EXCEPT_EBC_ALIGNMENT_CHECK 7
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#define EXCEPT_EBC_INSTRUCTION_ENCODING 8 ///< Malformed instruction.
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#define EXCEPT_EBC_BAD_BREAK 9 ///< BREAK 0 or undefined BREAK.
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#define EXCEPT_EBC_STEP 10 ///< To support debug stepping.
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///
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/// For coding convenience, define the maximum valid EBC exception.
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||
|
///
|
||
|
#define MAX_EBC_EXCEPTION EXCEPT_EBC_STEP
|
||
|
|
||
|
///
|
||
|
/// EBC processor context definition.
|
||
|
///
|
||
|
typedef struct {
|
||
|
UINT64 R0;
|
||
|
UINT64 R1;
|
||
|
UINT64 R2;
|
||
|
UINT64 R3;
|
||
|
UINT64 R4;
|
||
|
UINT64 R5;
|
||
|
UINT64 R6;
|
||
|
UINT64 R7;
|
||
|
UINT64 Flags;
|
||
|
UINT64 ControlFlags;
|
||
|
UINT64 Ip;
|
||
|
} EFI_SYSTEM_CONTEXT_EBC;
|
||
|
|
||
|
|
||
|
|
||
|
///
|
||
|
/// ARM processor exception types.
|
||
|
///
|
||
|
#define EXCEPT_ARM_RESET 0
|
||
|
#define EXCEPT_ARM_UNDEFINED_INSTRUCTION 1
|
||
|
#define EXCEPT_ARM_SOFTWARE_INTERRUPT 2
|
||
|
#define EXCEPT_ARM_PREFETCH_ABORT 3
|
||
|
#define EXCEPT_ARM_DATA_ABORT 4
|
||
|
#define EXCEPT_ARM_RESERVED 5
|
||
|
#define EXCEPT_ARM_IRQ 6
|
||
|
#define EXCEPT_ARM_FIQ 7
|
||
|
|
||
|
///
|
||
|
/// For coding convenience, define the maximum valid ARM exception.
|
||
|
///
|
||
|
#define MAX_ARM_EXCEPTION EXCEPT_ARM_FIQ
|
||
|
|
||
|
///
|
||
|
/// ARM processor context definition.
|
||
|
///
|
||
|
typedef struct {
|
||
|
UINT32 R0;
|
||
|
UINT32 R1;
|
||
|
UINT32 R2;
|
||
|
UINT32 R3;
|
||
|
UINT32 R4;
|
||
|
UINT32 R5;
|
||
|
UINT32 R6;
|
||
|
UINT32 R7;
|
||
|
UINT32 R8;
|
||
|
UINT32 R9;
|
||
|
UINT32 R10;
|
||
|
UINT32 R11;
|
||
|
UINT32 R12;
|
||
|
UINT32 SP;
|
||
|
UINT32 LR;
|
||
|
UINT32 PC;
|
||
|
UINT32 CPSR;
|
||
|
UINT32 DFSR;
|
||
|
UINT32 DFAR;
|
||
|
UINT32 IFSR;
|
||
|
UINT32 IFAR;
|
||
|
} EFI_SYSTEM_CONTEXT_ARM;
|
||
|
|
||
|
|
||
|
///
|
||
|
/// AARCH64 processor exception types.
|
||
|
///
|
||
|
#define EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS 0
|
||
|
#define EXCEPT_AARCH64_IRQ 1
|
||
|
#define EXCEPT_AARCH64_FIQ 2
|
||
|
#define EXCEPT_AARCH64_SERROR 3
|
||
|
|
||
|
///
|
||
|
/// For coding convenience, define the maximum valid ARM exception.
|
||
|
///
|
||
|
#define MAX_AARCH64_EXCEPTION EXCEPT_AARCH64_SERROR
|
||
|
|
||
|
typedef struct {
|
||
|
// General Purpose Registers
|
||
|
UINT64 X0;
|
||
|
UINT64 X1;
|
||
|
UINT64 X2;
|
||
|
UINT64 X3;
|
||
|
UINT64 X4;
|
||
|
UINT64 X5;
|
||
|
UINT64 X6;
|
||
|
UINT64 X7;
|
||
|
UINT64 X8;
|
||
|
UINT64 X9;
|
||
|
UINT64 X10;
|
||
|
UINT64 X11;
|
||
|
UINT64 X12;
|
||
|
UINT64 X13;
|
||
|
UINT64 X14;
|
||
|
UINT64 X15;
|
||
|
UINT64 X16;
|
||
|
UINT64 X17;
|
||
|
UINT64 X18;
|
||
|
UINT64 X19;
|
||
|
UINT64 X20;
|
||
|
UINT64 X21;
|
||
|
UINT64 X22;
|
||
|
UINT64 X23;
|
||
|
UINT64 X24;
|
||
|
UINT64 X25;
|
||
|
UINT64 X26;
|
||
|
UINT64 X27;
|
||
|
UINT64 X28;
|
||
|
UINT64 FP; // x29 - Frame pointer
|
||
|
UINT64 LR; // x30 - Link Register
|
||
|
UINT64 SP; // x31 - Stack pointer
|
||
|
|
||
|
// FP/SIMD Registers
|
||
|
UINT64 V0[2];
|
||
|
UINT64 V1[2];
|
||
|
UINT64 V2[2];
|
||
|
UINT64 V3[2];
|
||
|
UINT64 V4[2];
|
||
|
UINT64 V5[2];
|
||
|
UINT64 V6[2];
|
||
|
UINT64 V7[2];
|
||
|
UINT64 V8[2];
|
||
|
UINT64 V9[2];
|
||
|
UINT64 V10[2];
|
||
|
UINT64 V11[2];
|
||
|
UINT64 V12[2];
|
||
|
UINT64 V13[2];
|
||
|
UINT64 V14[2];
|
||
|
UINT64 V15[2];
|
||
|
UINT64 V16[2];
|
||
|
UINT64 V17[2];
|
||
|
UINT64 V18[2];
|
||
|
UINT64 V19[2];
|
||
|
UINT64 V20[2];
|
||
|
UINT64 V21[2];
|
||
|
UINT64 V22[2];
|
||
|
UINT64 V23[2];
|
||
|
UINT64 V24[2];
|
||
|
UINT64 V25[2];
|
||
|
UINT64 V26[2];
|
||
|
UINT64 V27[2];
|
||
|
UINT64 V28[2];
|
||
|
UINT64 V29[2];
|
||
|
UINT64 V30[2];
|
||
|
UINT64 V31[2];
|
||
|
|
||
|
UINT64 ELR; // Exception Link Register
|
||
|
UINT64 SPSR; // Saved Processor Status Register
|
||
|
UINT64 FPSR; // Floating Point Status Register
|
||
|
UINT64 ESR; // Exception syndrome register
|
||
|
UINT64 FAR; // Fault Address Register
|
||
|
} EFI_SYSTEM_CONTEXT_AARCH64;
|
||
|
|
||
|
|
||
|
///
|
||
|
/// Universal EFI_SYSTEM_CONTEXT definition.
|
||
|
///
|
||
|
typedef union {
|
||
|
EFI_SYSTEM_CONTEXT_EBC *SystemContextEbc;
|
||
|
EFI_SYSTEM_CONTEXT_IA32 *SystemContextIa32;
|
||
|
EFI_SYSTEM_CONTEXT_X64 *SystemContextX64;
|
||
|
EFI_SYSTEM_CONTEXT_IPF *SystemContextIpf;
|
||
|
EFI_SYSTEM_CONTEXT_ARM *SystemContextArm;
|
||
|
EFI_SYSTEM_CONTEXT_AARCH64 *SystemContextAArch64;
|
||
|
} EFI_SYSTEM_CONTEXT;
|
||
|
|
||
|
//
|
||
|
// DebugSupport callback function prototypes
|
||
|
//
|
||
|
|
||
|
/**
|
||
|
Registers and enables an exception callback function for the specified exception.
|
||
|
|
||
|
@param ExceptionType Exception types in EBC, IA-32, x64, or IPF.
|
||
|
@param SystemContext Exception content.
|
||
|
|
||
|
**/
|
||
|
typedef
|
||
|
VOID
|
||
|
(EFIAPI *EFI_EXCEPTION_CALLBACK)(
|
||
|
IN EFI_EXCEPTION_TYPE ExceptionType,
|
||
|
IN OUT EFI_SYSTEM_CONTEXT SystemContext
|
||
|
);
|
||
|
|
||
|
/**
|
||
|
Registers and enables the on-target debug agent's periodic entry point.
|
||
|
|
||
|
@param SystemContext Exception content.
|
||
|
|
||
|
**/
|
||
|
typedef
|
||
|
VOID
|
||
|
(EFIAPI *EFI_PERIODIC_CALLBACK)(
|
||
|
IN OUT EFI_SYSTEM_CONTEXT SystemContext
|
||
|
);
|
||
|
|
||
|
///
|
||
|
/// Machine type definition
|
||
|
///
|
||
|
typedef enum {
|
||
|
IsaIa32 = IMAGE_FILE_MACHINE_I386, ///< 0x014C
|
||
|
IsaX64 = IMAGE_FILE_MACHINE_X64, ///< 0x8664
|
||
|
IsaIpf = IMAGE_FILE_MACHINE_IA64, ///< 0x0200
|
||
|
IsaEbc = IMAGE_FILE_MACHINE_EBC, ///< 0x0EBC
|
||
|
IsaArm = IMAGE_FILE_MACHINE_ARMTHUMB_MIXED, ///< 0x01c2
|
||
|
IsaAArch64 = IMAGE_FILE_MACHINE_ARM64 ///< 0xAA64
|
||
|
} EFI_INSTRUCTION_SET_ARCHITECTURE;
|
||
|
|
||
|
|
||
|
//
|
||
|
// DebugSupport member function definitions
|
||
|
//
|
||
|
|
||
|
/**
|
||
|
Returns the maximum value that may be used for the ProcessorIndex parameter in
|
||
|
RegisterPeriodicCallback() and RegisterExceptionCallback().
|
||
|
|
||
|
@param This A pointer to the EFI_DEBUG_SUPPORT_PROTOCOL instance.
|
||
|
@param MaxProcessorIndex Pointer to a caller-allocated UINTN in which the maximum supported
|
||
|
processor index is returned.
|
||
|
|
||
|
@retval EFI_SUCCESS The function completed successfully.
|
||
|
|
||
|
**/
|
||
|
typedef
|
||
|
EFI_STATUS
|
||
|
(EFIAPI *EFI_GET_MAXIMUM_PROCESSOR_INDEX)(
|
||
|
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
|
||
|
OUT UINTN *MaxProcessorIndex
|
||
|
);
|
||
|
|
||
|
/**
|
||
|
Registers a function to be called back periodically in interrupt context.
|
||
|
|
||
|
@param This A pointer to the EFI_DEBUG_SUPPORT_PROTOCOL instance.
|
||
|
@param ProcessorIndex Specifies which processor the callback function applies to.
|
||
|
@param PeriodicCallback A pointer to a function of type PERIODIC_CALLBACK that is the main
|
||
|
periodic entry point of the debug agent.
|
||
|
|
||
|
@retval EFI_SUCCESS The function completed successfully.
|
||
|
@retval EFI_ALREADY_STARTED Non-NULL PeriodicCallback parameter when a callback
|
||
|
function was previously registered.
|
||
|
@retval EFI_OUT_OF_RESOURCES System has insufficient memory resources to register new callback
|
||
|
function.
|
||
|
|
||
|
**/
|
||
|
typedef
|
||
|
EFI_STATUS
|
||
|
(EFIAPI *EFI_REGISTER_PERIODIC_CALLBACK)(
|
||
|
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
|
||
|
IN UINTN ProcessorIndex,
|
||
|
IN EFI_PERIODIC_CALLBACK PeriodicCallback
|
||
|
);
|
||
|
|
||
|
/**
|
||
|
Registers a function to be called when a given processor exception occurs.
|
||
|
|
||
|
@param This A pointer to the EFI_DEBUG_SUPPORT_PROTOCOL instance.
|
||
|
@param ProcessorIndex Specifies which processor the callback function applies to.
|
||
|
@param ExceptionCallback A pointer to a function of type EXCEPTION_CALLBACK that is called
|
||
|
when the processor exception specified by ExceptionType occurs.
|
||
|
@param ExceptionType Specifies which processor exception to hook.
|
||
|
|
||
|
@retval EFI_SUCCESS The function completed successfully.
|
||
|
@retval EFI_ALREADY_STARTED Non-NULL PeriodicCallback parameter when a callback
|
||
|
function was previously registered.
|
||
|
@retval EFI_OUT_OF_RESOURCES System has insufficient memory resources to register new callback
|
||
|
function.
|
||
|
|
||
|
**/
|
||
|
typedef
|
||
|
EFI_STATUS
|
||
|
(EFIAPI *EFI_REGISTER_EXCEPTION_CALLBACK)(
|
||
|
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
|
||
|
IN UINTN ProcessorIndex,
|
||
|
IN EFI_EXCEPTION_CALLBACK ExceptionCallback,
|
||
|
IN EFI_EXCEPTION_TYPE ExceptionType
|
||
|
);
|
||
|
|
||
|
/**
|
||
|
Invalidates processor instruction cache for a memory range. Subsequent execution in this range
|
||
|
causes a fresh memory fetch to retrieve code to be executed.
|
||
|
|
||
|
@param This A pointer to the EFI_DEBUG_SUPPORT_PROTOCOL instance.
|
||
|
@param ProcessorIndex Specifies which processor's instruction cache is to be invalidated.
|
||
|
@param Start Specifies the physical base of the memory range to be invalidated.
|
||
|
@param Length Specifies the minimum number of bytes in the processor's instruction
|
||
|
cache to invalidate.
|
||
|
|
||
|
@retval EFI_SUCCESS The function completed successfully.
|
||
|
|
||
|
**/
|
||
|
typedef
|
||
|
EFI_STATUS
|
||
|
(EFIAPI *EFI_INVALIDATE_INSTRUCTION_CACHE)(
|
||
|
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
|
||
|
IN UINTN ProcessorIndex,
|
||
|
IN VOID *Start,
|
||
|
IN UINT64 Length
|
||
|
);
|
||
|
|
||
|
///
|
||
|
/// This protocol provides the services to allow the debug agent to register
|
||
|
/// callback functions that are called either periodically or when specific
|
||
|
/// processor exceptions occur.
|
||
|
///
|
||
|
struct _EFI_DEBUG_SUPPORT_PROTOCOL {
|
||
|
///
|
||
|
/// Declares the processor architecture for this instance of the EFI Debug Support protocol.
|
||
|
///
|
||
|
EFI_INSTRUCTION_SET_ARCHITECTURE Isa;
|
||
|
EFI_GET_MAXIMUM_PROCESSOR_INDEX GetMaximumProcessorIndex;
|
||
|
EFI_REGISTER_PERIODIC_CALLBACK RegisterPeriodicCallback;
|
||
|
EFI_REGISTER_EXCEPTION_CALLBACK RegisterExceptionCallback;
|
||
|
EFI_INVALIDATE_INSTRUCTION_CACHE InvalidateInstructionCache;
|
||
|
};
|
||
|
|
||
|
extern EFI_GUID gEfiDebugSupportProtocolGuid;
|
||
|
|
||
|
#endif
|