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1/** @file\r
2\r
3 Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
4 Copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>\r
5\r
6 This program and the accompanying materials\r
7 are licensed and made available under the terms and conditions of the BSD License\r
8 which accompanies this distribution. The full text of the license may be found at\r
9 http://opensource.org/licenses/bsd-license.php\r
10\r
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
13\r
14**/\r
15\r
16#ifndef __CPU_DXE_ARM_EXCEPTION_H__\r
17#define __CPU_DXE_ARM_EXCEPTION_H__\r
18\r
19#include <Uefi.h>\r
20\r
21#include <Library/ArmLib.h>\r
22#include <Library/ArmMmuLib.h>\r
23#include <Library/BaseMemoryLib.h>\r
24#include <Library/DebugLib.h>\r
25#include <Library/PcdLib.h>\r
26#include <Library/UefiBootServicesTableLib.h>\r
27#include <Library/DxeServicesTableLib.h>\r
28#include <Library/CacheMaintenanceLib.h>\r
29#include <Library/PeCoffGetEntryPointLib.h>\r
30#include <Library/UefiLib.h>\r
31#include <Library/CpuLib.h>\r
32#include <Library/DefaultExceptionHandlerLib.h>\r
33#include <Library/DebugLib.h>\r
34\r
35#include <Guid/DebugImageInfoTable.h>\r
36#include <Protocol/Cpu.h>\r
37#include <Protocol/DebugSupport.h>\r
38#include <Protocol/LoadedImage.h>\r
39\r
40extern BOOLEAN mIsFlushingGCD;\r
41\r
42/**\r
43 This function registers and enables the handler specified by InterruptHandler for a processor\r
44 interrupt or exception type specified by InterruptType. If InterruptHandler is NULL, then the\r
45 handler for the processor interrupt or exception type specified by InterruptType is uninstalled.\r
46 The installed handler is called once for each processor interrupt or exception.\r
47\r
48 @param InterruptType A pointer to the processor's current interrupt state. Set to TRUE if interrupts\r
49 are enabled and FALSE if interrupts are disabled.\r
50 @param InterruptHandler A pointer to a function of type EFI_CPU_INTERRUPT_HANDLER that is called\r
51 when a processor interrupt occurs. If this parameter is NULL, then the handler\r
52 will be uninstalled.\r
53\r
54 @retval EFI_SUCCESS The handler for the processor interrupt was successfully installed or uninstalled.\r
55 @retval EFI_ALREADY_STARTED InterruptHandler is not NULL, and a handler for InterruptType was\r
56 previously installed.\r
57 @retval EFI_INVALID_PARAMETER InterruptHandler is NULL, and a handler for InterruptType was not\r
58 previously installed.\r
59 @retval EFI_UNSUPPORTED The interrupt specified by InterruptType is not supported.\r
60\r
61**/\r
62EFI_STATUS\r
63RegisterInterruptHandler (\r
64 IN EFI_EXCEPTION_TYPE InterruptType,\r
65 IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler\r
66 );\r
67\r
68\r
69/**\r
70 This function registers and enables the handler specified by InterruptHandler for a processor\r
71 interrupt or exception type specified by InterruptType. If InterruptHandler is NULL, then the\r
72 handler for the processor interrupt or exception type specified by InterruptType is uninstalled.\r
73 The installed handler is called once for each processor interrupt or exception.\r
74\r
75 @param InterruptType A pointer to the processor's current interrupt state. Set to TRUE if interrupts\r
76 are enabled and FALSE if interrupts are disabled.\r
77 @param InterruptHandler A pointer to a function of type EFI_CPU_INTERRUPT_HANDLER that is called\r
78 when a processor interrupt occurs. If this parameter is NULL, then the handler\r
79 will be uninstalled.\r
80\r
81 @retval EFI_SUCCESS The handler for the processor interrupt was successfully installed or uninstalled.\r
82 @retval EFI_ALREADY_STARTED InterruptHandler is not NULL, and a handler for InterruptType was\r
83 previously installed.\r
84 @retval EFI_INVALID_PARAMETER InterruptHandler is NULL, and a handler for InterruptType was not\r
85 previously installed.\r
86 @retval EFI_UNSUPPORTED The interrupt specified by InterruptType is not supported.\r
87\r
88**/\r
89EFI_STATUS\r
90RegisterDebuggerInterruptHandler (\r
91 IN EFI_EXCEPTION_TYPE InterruptType,\r
92 IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler\r
93 );\r
94\r
95\r
96EFI_STATUS\r
97EFIAPI\r
98CpuSetMemoryAttributes (\r
99 IN EFI_CPU_ARCH_PROTOCOL *This,\r
100 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
101 IN UINT64 Length,\r
102 IN UINT64 Attributes\r
103 );\r
104\r
105EFI_STATUS\r
106InitializeExceptions (\r
107 IN EFI_CPU_ARCH_PROTOCOL *Cpu\r
108 );\r
109\r
110EFI_STATUS\r
111SyncCacheConfig (\r
112 IN EFI_CPU_ARCH_PROTOCOL *CpuProtocol\r
113 );\r
114\r
115/**\r
116 * Publish ARM Processor Data table in UEFI SYSTEM Table.\r
117 * @param HobStart Pointer to the beginning of the HOB List from PEI.\r
118 *\r
119 * Description : This function iterates through HOB list and finds ARM processor Table Entry HOB.\r
120 * If the ARM processor Table Entry HOB is found, the HOB data is copied to run-time memory\r
121 * and a pointer is assigned to it in ARM processor table. Then the ARM processor table is\r
122 * installed in EFI configuration table.\r
123**/\r
124VOID\r
125EFIAPI\r
126PublishArmProcessorTable(\r
127 VOID\r
128 );\r
129\r
130// The ARM Attributes might be defined on 64-bit (case of the long format description table)\r
131UINT64\r
132EfiAttributeToArmAttribute (\r
133 IN UINT64 EfiAttributes\r
134 );\r
135\r
136EFI_STATUS\r
137GetMemoryRegion (\r
138 IN OUT UINTN *BaseAddress,\r
139 OUT UINTN *RegionLength,\r
140 OUT UINTN *RegionAttributes\r
141 );\r
142\r
143VOID\r
144GetRootTranslationTableInfo (\r
145 IN UINTN T0SZ,\r
146 OUT UINTN *TableLevel,\r
147 OUT UINTN *TableEntryCount\r
148 );\r
149\r
150EFI_STATUS\r
151SetGcdMemorySpaceAttributes (\r
152 IN EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap,\r
153 IN UINTN NumberOfDescriptors,\r
154 IN EFI_PHYSICAL_ADDRESS BaseAddress,\r
155 IN UINT64 Length,\r
156 IN UINT64 Attributes\r
157 );\r
158\r
159#endif // __CPU_DXE_ARM_EXCEPTION_H__\r