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fe92ab29 1/** @file\r
2 Debug Agent Library provide source-level debug capability.\r
3\r
6d4136f4 4Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR>\r
9d510e61 5SPDX-License-Identifier: BSD-2-Clause-Patent\r
fe92ab29 6\r
7**/\r
8\r
9#ifndef __DEBUG_AGENT_LIB_H__\r
10#define __DEBUG_AGENT_LIB_H__\r
11\r
933d80a1 12#define DEBUG_AGENT_INIT_PREMEM_SEC 1\r
13#define DEBUG_AGENT_INIT_POSTMEM_SEC 2\r
14#define DEBUG_AGENT_INIT_DXE_CORE 3\r
15#define DEBUG_AGENT_INIT_SMM 4\r
16#define DEBUG_AGENT_INIT_ENTER_SMI 5\r
17#define DEBUG_AGENT_INIT_EXIT_SMI 6\r
18#define DEBUG_AGENT_INIT_S3 7\r
19#define DEBUG_AGENT_INIT_DXE_AP 8\r
20#define DEBUG_AGENT_INIT_PEI 9\r
21#define DEBUG_AGENT_INIT_DXE_LOAD 10\r
22#define DEBUG_AGENT_INIT_DXE_UNLOAD 11\r
23#define DEBUG_AGENT_INIT_THUNK_PEI_IA32TOX64 12\r
4cf7e038 24\r
25//\r
26// Context for DEBUG_AGENT_INIT_POSTMEM_SEC\r
27//\r
28typedef struct {\r
29 UINTN HeapMigrateOffset;\r
30 UINTN StackMigrateOffset;\r
31} DEBUG_AGENT_CONTEXT_POSTMEM_SEC;\r
32\r
33/**\r
34 Caller provided function to be invoked at the end of InitializeDebugAgent().\r
35\r
86ac8fb2 36 Refer to the description for InitializeDebugAgent() for more details.\r
4cf7e038 37\r
38 @param[in] Context The first input parameter of InitializeDebugAgent().\r
39\r
40**/\r
41typedef\r
42VOID\r
43(EFIAPI * DEBUG_AGENT_CONTINUE)(\r
44 IN VOID *Context\r
45 );\r
46\r
fe92ab29 47\r
48/**\r
49 Initialize debug agent.\r
50\r
4cf7e038 51 This function is used to set up debug environment to support source level debugging.\r
52 If certain Debug Agent Library instance has to save some private data in the stack,\r
53 this function must work on the mode that doesn't return to the caller, then\r
54 the caller needs to wrap up all rest of logic after InitializeDebugAgent() into one\r
55 function and pass it into InitializeDebugAgent(). InitializeDebugAgent() is\r
56 responsible to invoke the passing-in function at the end of InitializeDebugAgent().\r
57\r
86ac8fb2 58 If the parameter Function is not NULL, Debug Agent Library instance will invoke it by\r
4cf7e038 59 passing in the Context to be its parameter.\r
60\r
61 If Function() is NULL, Debug Agent Library instance will return after setup debug\r
62 environment.\r
fe92ab29 63\r
4cf7e038 64 @param[in] InitFlag Init flag is used to decide the initialize process.\r
65 @param[in] Context Context needed according to InitFlag; it was optional.\r
66 @param[in] Function Continue function called by debug agent library; it was\r
67 optional.\r
fe92ab29 68\r
69**/\r
70VOID\r
71EFIAPI\r
72InitializeDebugAgent (\r
73 IN UINT32 InitFlag,\r
4cf7e038 74 IN VOID *Context, OPTIONAL\r
75 IN DEBUG_AGENT_CONTINUE Function OPTIONAL\r
fe92ab29 76 );\r
77\r
78/**\r
e7af83ae 79 Enable/Disable the interrupt of debug timer and return the interrupt state\r
80 prior to the operation.\r
fe92ab29 81\r
82 If EnableStatus is TRUE, enable the interrupt of debug timer.\r
83 If EnableStatus is FALSE, disable the interrupt of debug timer.\r
84\r
85 @param[in] EnableStatus Enable/Disable.\r
86\r
e7af83ae 87 @retval TRUE Debug timer interrupt were enabled on entry to this call.\r
88 @retval FALSE Debug timer interrupt were disabled on entry to this call.\r
89\r
fe92ab29 90**/\r
e7af83ae 91BOOLEAN\r
fe92ab29 92EFIAPI\r
e7af83ae 93SaveAndSetDebugTimerInterrupt (\r
fe92ab29 94 IN BOOLEAN EnableStatus\r
95 );\r
96\r
97#endif\r