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1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>\r | |
4 | \r | |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #ifndef __CPU_DXE_ARM_EXCEPTION_H__\r | |
16 | #define __CPU_DXE_ARM_EXCEPTION_H__\r | |
17 | \r | |
18 | #include <Uefi.h>\r | |
19 | \r | |
20 | #include <Library/ArmLib.h>\r | |
21 | #include <Library/BaseMemoryLib.h>\r | |
22 | #include <Library/CacheMaintenanceLib.h>\r | |
23 | #include <Library/DebugLib.h>\r | |
24 | #include <Library/PcdLib.h>\r | |
25 | #include <Library/UefiBootServicesTableLib.h>\r | |
26 | \r | |
27 | #include <Protocol/Cpu.h>\r | |
28 | #include <Protocol/DebugSupport.h>\r | |
29 | #include <Protocol/DebugSupportPeriodicCallback.h>\r | |
30 | \r | |
31 | \r | |
32 | /**\r | |
33 | This function registers and enables the handler specified by InterruptHandler for a processor \r | |
34 | interrupt or exception type specified by InterruptType. If InterruptHandler is NULL, then the \r | |
35 | handler for the processor interrupt or exception type specified by InterruptType is uninstalled. \r | |
36 | The installed handler is called once for each processor interrupt or exception.\r | |
37 | \r | |
38 | @param InterruptType A pointer to the processor's current interrupt state. Set to TRUE if interrupts\r | |
39 | are enabled and FALSE if interrupts are disabled.\r | |
40 | @param InterruptHandler A pointer to a function of type EFI_CPU_INTERRUPT_HANDLER that is called\r | |
41 | when a processor interrupt occurs. If this parameter is NULL, then the handler\r | |
42 | will be uninstalled.\r | |
43 | \r | |
44 | @retval EFI_SUCCESS The handler for the processor interrupt was successfully installed or uninstalled.\r | |
45 | @retval EFI_ALREADY_STARTED InterruptHandler is not NULL, and a handler for InterruptType was\r | |
46 | previously installed.\r | |
47 | @retval EFI_INVALID_PARAMETER InterruptHandler is NULL, and a handler for InterruptType was not\r | |
48 | previously installed.\r | |
49 | @retval EFI_UNSUPPORTED The interrupt specified by InterruptType is not supported.\r | |
50 | \r | |
51 | **/\r | |
52 | EFI_STATUS\r | |
53 | RegisterInterruptHandler (\r | |
54 | IN EFI_EXCEPTION_TYPE InterruptType,\r | |
55 | IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler\r | |
56 | );\r | |
57 | \r | |
58 | \r | |
59 | /**\r | |
60 | This function registers and enables the handler specified by InterruptHandler for a processor \r | |
61 | interrupt or exception type specified by InterruptType. If InterruptHandler is NULL, then the \r | |
62 | handler for the processor interrupt or exception type specified by InterruptType is uninstalled. \r | |
63 | The installed handler is called once for each processor interrupt or exception.\r | |
64 | \r | |
65 | @param InterruptType A pointer to the processor's current interrupt state. Set to TRUE if interrupts\r | |
66 | are enabled and FALSE if interrupts are disabled.\r | |
67 | @param InterruptHandler A pointer to a function of type EFI_CPU_INTERRUPT_HANDLER that is called\r | |
68 | when a processor interrupt occurs. If this parameter is NULL, then the handler\r | |
69 | will be uninstalled.\r | |
70 | \r | |
71 | @retval EFI_SUCCESS The handler for the processor interrupt was successfully installed or uninstalled.\r | |
72 | @retval EFI_ALREADY_STARTED InterruptHandler is not NULL, and a handler for InterruptType was\r | |
73 | previously installed.\r | |
74 | @retval EFI_INVALID_PARAMETER InterruptHandler is NULL, and a handler for InterruptType was not\r | |
75 | previously installed.\r | |
76 | @retval EFI_UNSUPPORTED The interrupt specified by InterruptType is not supported.\r | |
77 | \r | |
78 | **/\r | |
79 | EFI_STATUS\r | |
80 | RegisterDebuggerInterruptHandler (\r | |
81 | IN EFI_EXCEPTION_TYPE InterruptType,\r | |
82 | IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler\r | |
83 | );\r | |
84 | \r | |
85 | \r | |
86 | EFI_STATUS\r | |
87 | InitializeExceptions (\r | |
88 | IN EFI_CPU_ARCH_PROTOCOL *Cpu\r | |
89 | );\r | |
90 | \r | |
91 | #endif // __CPU_DXE_ARM_EXCEPTION_H__\r |