1 /** @file
2 In FSP API V1 mode, it will be invoked twice by pei core. In 1st entry, it will
3 call FspInit API. In 2nd entry, it will parse the hoblist from fsp and report
4 them into pei core.
5
6 Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
7 SPDX-License-Identifier: BSD-2-Clause-Patent
8
9 **/
10
11
12 #include "FspInitPei.h"
13
14 /**
15 FSP Init continuation function.
16 Control will be returned to this callback function after FspInit API call.
17
18 @param[in] Status Status of the FSP INIT API
19 @param[in] HobListPtr Pointer to the HOB data structure defined in the PI specification.
20
21 **/
22 VOID
ContinuationFunc(IN EFI_STATUS Status,IN VOID * HobListPtr)23 ContinuationFunc (
24 IN EFI_STATUS Status,
25 IN VOID *HobListPtr
26 )
27 {
28 EFI_BOOT_MODE BootMode;
29 UINT64 StackSize;
30 EFI_PHYSICAL_ADDRESS StackBase;
31
32 DEBUG ((DEBUG_INFO, "ContinuationFunc - %r\n", Status));
33 DEBUG ((DEBUG_INFO, "HobListPtr - 0x%x\n", HobListPtr));
34
35 if (Status != EFI_SUCCESS) {
36 CpuDeadLoop ();
37 }
38
39 //
40 // Can not call any PeiServices
41 //
42 BootMode = GetBootMode ();
43
44 GetStackInfo (BootMode, TRUE, &StackSize, &StackBase);
45 DEBUG ((DEBUG_INFO, "StackBase - 0x%x\n", StackBase));
46 DEBUG ((DEBUG_INFO, "StackSize - 0x%x\n", StackSize));
47 CallPeiCoreEntryPoint (
48 HobListPtr,
49 (VOID *)(UINTN)StackBase,
50 (VOID *)(UINTN)(StackBase + StackSize)
51 );
52 }
53
54 /**
55 Call FspInit API.
56
57 @param[in] FspHeader FSP header pointer.
58 **/
59 VOID
PeiFspInit(IN FSP_INFO_HEADER * FspHeader)60 PeiFspInit (
61 IN FSP_INFO_HEADER *FspHeader
62 )
63 {
64 FSP_INIT_PARAMS FspInitParams;
65 FSP_INIT_RT_COMMON_BUFFER FspRtBuffer;
66 UINT8 FspUpdRgn[FixedPcdGet32 (PcdMaxUpdRegionSize)];
67 UINT32 UpdRegionSize;
68 EFI_BOOT_MODE BootMode;
69 UINT64 StackSize;
70 EFI_PHYSICAL_ADDRESS StackBase;
71 EFI_STATUS Status;
72
73 DEBUG ((DEBUG_INFO, "PeiFspInit enter\n"));
74
75 PeiServicesGetBootMode (&BootMode);
76 DEBUG ((DEBUG_INFO, "BootMode - 0x%x\n", BootMode));
77
78 GetStackInfo (BootMode, FALSE, &StackSize, &StackBase);
79 DEBUG ((DEBUG_INFO, "StackBase - 0x%x\n", StackBase));
80 DEBUG ((DEBUG_INFO, "StackSize - 0x%x\n", StackSize));
81
82 ZeroMem (&FspRtBuffer, sizeof(FspRtBuffer));
83 FspRtBuffer.StackTop = (UINT32 *)(UINTN)(StackBase + StackSize);
84
85 FspRtBuffer.BootMode = BootMode;
86
87 /* Platform override any UPD configs */
88 UpdRegionSize = GetUpdRegionSize();
89 DEBUG ((DEBUG_INFO, "UpdRegionSize - 0x%x\n", UpdRegionSize));
90 DEBUG ((DEBUG_INFO, "sizeof(FspUpdRgn) - 0x%x\n", sizeof(FspUpdRgn)));
91 ASSERT(sizeof(FspUpdRgn) >= UpdRegionSize);
92 ZeroMem (FspUpdRgn, UpdRegionSize);
93 FspRtBuffer.UpdDataRgnPtr = UpdateFspUpdConfigs (FspUpdRgn);
94 FspRtBuffer.BootLoaderTolumSize = 0;
95
96 ZeroMem (&FspInitParams, sizeof(FspInitParams));
97 FspInitParams.NvsBufferPtr = GetNvsBuffer ();
98 DEBUG ((DEBUG_INFO, "NvsBufferPtr - 0x%x\n", FspInitParams.NvsBufferPtr));
99 FspInitParams.RtBufferPtr = (VOID *)&FspRtBuffer;
100 FspInitParams.ContinuationFunc = (CONTINUATION_PROC)ContinuationFunc;
101
102 SaveSecContext (GetPeiServicesTablePointer ());
103
104 DEBUG ((DEBUG_INFO, "FspInitParams - 0x%x\n", &FspInitParams));
105 DEBUG ((DEBUG_INFO, " NvsBufferPtr - 0x%x\n", FspInitParams.NvsBufferPtr));
106 DEBUG ((DEBUG_INFO, " RtBufferPtr - 0x%x\n", FspInitParams.RtBufferPtr));
107 DEBUG ((DEBUG_INFO, " StackTop - 0x%x\n", FspRtBuffer.StackTop));
108 DEBUG ((DEBUG_INFO, " BootMode - 0x%x\n", FspRtBuffer.BootMode));
109 DEBUG ((DEBUG_INFO, " UpdDataRgnPtr - 0x%x\n", FspRtBuffer.UpdDataRgnPtr));
110 DEBUG ((DEBUG_INFO, " ContinuationFunc - 0x%x\n", FspInitParams.ContinuationFunc));
111
112 Status = CallFspInit (FspHeader, &FspInitParams);
113 //
114 // Should never return
115 //
116 DEBUG((DEBUG_ERROR, "FSP Init failed, status: 0x%x\n", Status));
117 CpuDeadLoop ();
118 }
119
120 /**
121 Do FSP initialization based on FspApi version 1.
122
123 @param[in] FspHeader FSP header pointer.
124
125 @return FSP initialization status.
126 **/
127 EFI_STATUS
PeiFspInitV1(IN FSP_INFO_HEADER * FspHeader)128 PeiFspInitV1 (
129 IN FSP_INFO_HEADER *FspHeader
130 )
131 {
132 EFI_STATUS Status;
133 FSP_INIT_DONE_PPI *FspInitDone;
134 VOID *FspHobList;
135 EFI_BOOT_MODE BootMode;
136
137 Status = PeiServicesLocatePpi (
138 &gFspInitDonePpiGuid,
139 0,
140 NULL,
141 (VOID **) &FspInitDone
142 );
143 if (EFI_ERROR (Status)) {
144 //
145 // 1st entry
146 //
147 DEBUG ((DEBUG_INFO, "1st entry\n"));
148
149 PeiFspInit (FspHeader);
150 //
151 // Never return here, for FspApi version 1.
152 //
153 CpuDeadLoop ();
154 } else {
155 //
156 // 2nd entry for FspApi version 1 only.
157 //
158 DEBUG ((DEBUG_INFO, "2nd entry\n"));
159
160 Status = FspInitDone->GetFspHobList (GetPeiServicesTablePointer (), FspInitDone, &FspHobList);
161 ASSERT_EFI_ERROR (Status);
162 DEBUG ((DEBUG_INFO, "FspHobList - 0x%x\n", FspHobList));
163 FspHobProcess (FspHobList);
164
165 //
166 // Register EndOfPei Notify for S3 to run FspNotifyPhase
167 //
168 PeiServicesGetBootMode (&BootMode);
169 if (BootMode == BOOT_ON_S3_RESUME) {
170 Status = PeiServicesNotifyPpi (&mS3EndOfPeiNotifyDesc);
171 ASSERT_EFI_ERROR (Status);
172 }
173 }
174
175 return EFI_SUCCESS;
176 }