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b422b62c | 1 | /** @file\r |
2 | Initialize Debug Agent in DXE by invoking Debug Agent Library.\r | |
3 | \r | |
77695f4d | 4 | Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>\r |
85f7e110 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
b422b62c | 6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include <PiDxe.h>\r | |
10 | #include <Guid/EventGroup.h>\r | |
11 | #include <Library/UefiBootServicesTableLib.h>\r | |
12 | #include <Library/DebugAgentLib.h>\r | |
b057be47 | 13 | #include <Library/UefiLib.h>\r |
b422b62c | 14 | \r |
77695f4d | 15 | EFI_EVENT mExitBootServiceEvent;\r |
b422b62c | 16 | \r |
17 | /**\r | |
18 | One notified function to disable Debug Timer interrupt when gBS->ExitBootServices() called.\r | |
19 | \r | |
20 | @param[in] Event Pointer to this event\r | |
e3644786 | 21 | @param[in] Context Event handler private data\r |
b422b62c | 22 | \r |
23 | **/\r | |
24 | VOID\r | |
25 | EFIAPI\r | |
26 | DisableDebugTimerExitBootService (\r | |
27 | EFI_EVENT Event,\r | |
28 | VOID *Context\r | |
29 | )\r | |
30 | \r | |
31 | {\r | |
32 | SaveAndSetDebugTimerInterrupt (FALSE);\r | |
33 | }\r | |
34 | \r | |
35 | /**\r | |
36 | The Entry Point for Debug Agent Dxe driver.\r | |
37 | \r | |
38 | It will invoke Debug Agent Library to enable source debugging feature in DXE phase.\r | |
39 | \r | |
40 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
41 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
42 | \r | |
43 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
44 | @retval other Some error occurs when initialzed Debug Agent.\r | |
45 | \r | |
46 | **/\r | |
47 | EFI_STATUS\r | |
48 | EFIAPI\r | |
49 | DebugAgentDxeInitialize(\r | |
50 | IN EFI_HANDLE ImageHandle,\r | |
51 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
52 | )\r | |
53 | {\r | |
54 | EFI_STATUS Status;\r | |
55 | \r | |
b057be47 JF |
56 | if (gST->ConOut != NULL) {\r |
57 | Print (L"If the Debug Port is serial port, please make sure this serial port isn't connected by");\r | |
58 | Print (L" ISA Serial driver\r\n");\r | |
59 | Print (L"You could do the following steps to disconnect the serial port:\r\n");\r | |
60 | Print (L"1: Shell> drivers\r\n");\r | |
61 | Print (L" ...\r\n");\r | |
62 | Print (L" V VERSION E G G #D #C DRIVER NAME IMAGE NAME\r\n");\r | |
63 | Print (L" == ======== = = = == == =================================== ===================\r\n");\r | |
64 | Print (L" 8F 0000000A B - - 1 14 PCI Bus Driver PciBusDxe\r\n");\r | |
65 | Print (L" 91 00000010 ? - - - - ATA Bus Driver AtaBusDxe\r\n");\r | |
66 | Print (L" ...\r\n");\r | |
67 | Print (L" A7 0000000A B - - 1 1 ISA Serial Driver IsaSerialDxe\r\n");\r | |
68 | Print (L" ...\r\n");\r | |
69 | Print (L"2: Shell> dh -d A7\r\n");\r | |
70 | Print (L" A7: Image(IsaSerialDxe) ImageDevPath (..9FB3-11D4-9A3A-0090273FC14D))DriverBinding");\r | |
71 | Print (L" ComponentName ComponentName2\r\n");\r | |
72 | Print (L" Driver Name : ISA Serial Driver\r\n");\r | |
73 | Print (L" Image Name : FvFile(93B80003-9FB3-11D4-9A3A-0090273FC14D)\r\n");\r | |
74 | Print (L" Driver Version : 0000000A\r\n");\r | |
75 | Print (L" Driver Type : BUS\r\n");\r | |
76 | Print (L" Configuration : NO\r\n");\r | |
77 | Print (L" Diagnostics : NO\r\n");\r | |
78 | Print (L" Managing :\r\n");\r | |
79 | Print (L" Ctrl[EA] : PciRoot(0x0)/Pci(0x1F,0x0)/Serial(0x0)\r\n");\r | |
80 | Print (L" Child[EB] : PciRoot(0x0)/Pci(0x1F,0x0)/Serial(0x0)/Uart(115200,8,N,1)\r\n");\r | |
81 | Print (L"3: Shell> disconnect EA\r\n");\r | |
82 | Print (L"4: Shell> load -nc DebugAgentDxe.efi\r\n\r\n");\r | |
83 | }\r | |
79ecd2db | 84 | Status = EFI_UNSUPPORTED;\r |
b422b62c | 85 | InitializeDebugAgent (DEBUG_AGENT_INIT_DXE_LOAD, &Status, NULL);\r |
86 | if (EFI_ERROR (Status)) {\r | |
87 | return Status;\r | |
88 | }\r | |
b057be47 JF |
89 | if (gST->ConOut != NULL) {\r |
90 | Print (L"Debug Agent: Initialized successfully!\r\n\r\n");\r | |
91 | }\r | |
b422b62c | 92 | //\r |
93 | // Create event to disable Debug Timer interrupt when exit boot service.\r | |
94 | //\r | |
95 | Status = gBS->CreateEventEx (\r | |
96 | EVT_NOTIFY_SIGNAL,\r | |
97 | TPL_NOTIFY,\r | |
98 | DisableDebugTimerExitBootService,\r | |
99 | NULL,\r | |
100 | &gEfiEventExitBootServicesGuid,\r | |
101 | &mExitBootServiceEvent\r | |
102 | );\r | |
103 | return Status;\r | |
104 | }\r | |
105 | \r | |
106 | /**\r | |
107 | This is the unload handle for Debug Agent Dxe driver.\r | |
108 | \r | |
109 | It will invoke Debug Agent Library to disable source debugging feature.\r | |
110 | \r | |
111 | @param[in] ImageHandle The drivers' driver image.\r | |
112 | \r | |
113 | @retval EFI_SUCCESS The image is unloaded.\r | |
114 | @retval Others Failed to unload the image.\r | |
115 | \r | |
116 | **/\r | |
117 | EFI_STATUS\r | |
118 | EFIAPI\r | |
119 | DebugAgentDxeUnload (\r | |
120 | IN EFI_HANDLE ImageHandle\r | |
121 | )\r | |
122 | {\r | |
123 | EFI_STATUS Status;\r | |
124 | \r | |
79ecd2db | 125 | Status = EFI_UNSUPPORTED;\r |
b422b62c | 126 | InitializeDebugAgent (DEBUG_AGENT_INIT_DXE_UNLOAD, &Status, NULL);\r |
b057be47 JF |
127 | switch (Status) {\r |
128 | case EFI_ACCESS_DENIED:\r | |
129 | Print (L"Debug Agent: Host is still connected, please de-attach TARGET firstly!\r\n");\r | |
130 | break;\r | |
131 | case EFI_NOT_STARTED:\r | |
132 | Print (L"Debug Agent: It hasn't been initialized, cannot unload it!\r\n");\r | |
133 | break;\r | |
134 | }\r | |
b422b62c | 135 | \r |
136 | return Status;\r | |
137 | }\r |