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Commit | Line | Data |
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58f89bb1 JJ |
1 | /*++ @file\r |
2 | \r | |
22f73b6d | 3 | Copyright (c) 2006 - 2022, Intel Corporation. All rights reserved.<BR>\r |
58f89bb1 | 4 | Portions copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR>\r |
e3ba31da | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
58f89bb1 JJ |
6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "Host.h"\r | |
10 | \r | |
11 | #ifdef __APPLE__\r | |
a550d468 | 12 | #define MAP_ANONYMOUS MAP_ANON\r |
58f89bb1 JJ |
13 | #endif\r |
14 | \r | |
58f89bb1 JJ |
15 | //\r |
16 | // Globals\r | |
17 | //\r | |
18 | \r | |
a550d468 | 19 | EMU_THUNK_PPI mSecEmuThunkPpi = {\r |
58f89bb1 JJ |
20 | GasketSecUnixPeiAutoScan,\r |
21 | GasketSecUnixFdAddress,\r | |
22 | GasketSecEmuThunkAddress\r | |
23 | };\r | |
24 | \r | |
a550d468 MK |
25 | char *gGdbWorkingFileName = NULL;\r |
26 | unsigned int mScriptSymbolChangesCount = 0;\r | |
58f89bb1 JJ |
27 | \r |
28 | //\r | |
29 | // Default information about where the FD is located.\r | |
30 | // This array gets filled in with information from EFI_FIRMWARE_VOLUMES\r | |
31 | // EFI_FIRMWARE_VOLUMES is a host environment variable set by system.cmd.\r | |
32 | // The number of array elements is allocated base on parsing\r | |
33 | // EFI_FIRMWARE_VOLUMES and the memory is never freed.\r | |
34 | //\r | |
a550d468 MK |
35 | UINTN gFdInfoCount = 0;\r |
36 | EMU_FD_INFO *gFdInfo;\r | |
58f89bb1 JJ |
37 | \r |
38 | //\r | |
26cfe2c6 | 39 | // Array that supports separate memory ranges.\r |
58f89bb1 JJ |
40 | // The memory ranges are set in system.cmd via the EFI_MEMORY_SIZE variable.\r |
41 | // The number of array elements is allocated base on parsing\r | |
42 | // EFI_MEMORY_SIZE and the memory is never freed.\r | |
43 | //\r | |
44 | UINTN gSystemMemoryCount = 0;\r | |
45 | EMU_SYSTEM_MEMORY *gSystemMemory;\r | |
46 | \r | |
58f89bb1 | 47 | UINTN mImageContextModHandleArraySize = 0;\r |
a550d468 | 48 | IMAGE_CONTEXT_TO_MOD_HANDLE *mImageContextModHandleArray = NULL;\r |
58f89bb1 JJ |
49 | \r |
50 | EFI_PEI_PPI_DESCRIPTOR *gPpiList;\r | |
51 | \r | |
a550d468 | 52 | int gInXcode = 0;\r |
58f89bb1 JJ |
53 | \r |
54 | /*++\r | |
55 | Breakpoint target for Xcode project. Set in the Xcode XML\r | |
56 | \r | |
57 | Xcode breakpoint will 'source Host.gdb'\r | |
58 | gGdbWorkingFileName is set to Host.gdb\r | |
59 | \r | |
60 | **/\r | |
61 | VOID\r | |
62 | SecGdbConfigBreak (\r | |
63 | VOID\r | |
64 | )\r | |
65 | {\r | |
66 | }\r | |
67 | \r | |
58f89bb1 JJ |
68 | /*++\r |
69 | \r | |
70 | Routine Description:\r | |
71 | Main entry point to SEC for Unix. This is a unix program\r | |
72 | \r | |
73 | Arguments:\r | |
74 | Argc - Number of command line arguments\r | |
75 | Argv - Array of command line argument strings\r | |
afa99fac | 76 | Envp - Array of environment variable strings\r |
58f89bb1 JJ |
77 | \r |
78 | Returns:\r | |
79 | 0 - Normal exit\r | |
80 | 1 - Abnormal exit\r | |
81 | \r | |
82 | **/\r | |
83 | int\r | |
84 | main (\r | |
85 | IN int Argc,\r | |
86 | IN char **Argv,\r | |
87 | IN char **Envp\r | |
88 | )\r | |
89 | {\r | |
90 | EFI_STATUS Status;\r | |
91 | EFI_PHYSICAL_ADDRESS InitialStackMemory;\r | |
92 | UINT64 InitialStackMemorySize;\r | |
93 | UINTN Index;\r | |
94 | UINTN Index1;\r | |
95 | UINTN Index2;\r | |
96 | UINTN PeiIndex;\r | |
97 | CHAR8 *FileName;\r | |
98 | BOOLEAN Done;\r | |
99 | EFI_PEI_FILE_HANDLE FileHandle;\r | |
100 | VOID *SecFile;\r | |
101 | CHAR16 *MemorySizeStr;\r | |
102 | CHAR16 *FirmwareVolumesStr;\r | |
103 | UINTN *StackPointer;\r | |
104 | FILE *GdbTempFile;\r | |
22f73b6d | 105 | EMU_THUNK_PPI *SecEmuThunkPpi;\r |
58f89bb1 JJ |
106 | \r |
107 | //\r | |
108 | // Xcode does not support sourcing gdb scripts directly, so the Xcode XML\r | |
eb33b399 | 109 | // has a break point script to source the GdbRun.sh script.\r |
58f89bb1 JJ |
110 | //\r |
111 | SecGdbConfigBreak ();\r | |
112 | \r | |
113 | //\r | |
114 | // If dlopen doesn't work, then we build a gdb script to allow the\r | |
115 | // symbols to be loaded.\r | |
116 | //\r | |
a550d468 MK |
117 | Index = strlen (*Argv);\r |
118 | gGdbWorkingFileName = AllocatePool (Index + strlen (".gdb") + 1);\r | |
58f89bb1 JJ |
119 | strcpy (gGdbWorkingFileName, *Argv);\r |
120 | strcat (gGdbWorkingFileName, ".gdb");\r | |
121 | \r | |
122 | //\r | |
123 | // Empty out the gdb symbols script file.\r | |
124 | //\r | |
125 | GdbTempFile = fopen (gGdbWorkingFileName, "w");\r | |
126 | if (GdbTempFile != NULL) {\r | |
127 | fclose (GdbTempFile);\r | |
128 | }\r | |
129 | \r | |
dff5a05b | 130 | printf ("\nEDK II UNIX Host Emulation Environment from http://www.tianocore.org/edk2/\n");\r |
58f89bb1 JJ |
131 | \r |
132 | setbuf (stdout, 0);\r | |
133 | setbuf (stderr, 0);\r | |
134 | \r | |
a550d468 MK |
135 | MemorySizeStr = (CHAR16 *)PcdGetPtr (PcdEmuMemorySize);\r |
136 | FirmwareVolumesStr = (CHAR16 *)PcdGetPtr (PcdEmuFirmwareVolume);\r | |
58f89bb1 JJ |
137 | \r |
138 | //\r | |
139 | // PPIs pased into PEI_CORE\r | |
140 | //\r | |
22f73b6d ZL |
141 | SecEmuThunkPpi = AllocateZeroPool (sizeof (EMU_THUNK_PPI) + FixedPcdGet32 (PcdPersistentMemorySize));\r |
142 | if (SecEmuThunkPpi == NULL) {\r | |
143 | printf ("ERROR : Can not allocate memory for SecEmuThunkPpi. Exiting.\n");\r | |
144 | exit (1);\r | |
145 | }\r | |
146 | \r | |
147 | CopyMem (SecEmuThunkPpi, &mSecEmuThunkPpi, sizeof (EMU_THUNK_PPI));\r | |
8a485e4b ZL |
148 | SecEmuThunkPpi->Argc = Argc;\r |
149 | SecEmuThunkPpi->Argv = Argv;\r | |
150 | SecEmuThunkPpi->Envp = Envp;\r | |
22f73b6d ZL |
151 | SecEmuThunkPpi->PersistentMemorySize = FixedPcdGet32 (PcdPersistentMemorySize);\r |
152 | AddThunkPpi (EFI_PEI_PPI_DESCRIPTOR_PPI, &gEmuThunkPpiGuid, SecEmuThunkPpi);\r | |
58f89bb1 JJ |
153 | \r |
154 | SecInitThunkProtocol ();\r | |
155 | \r | |
156 | //\r | |
157 | // Emulator Bus Driver Thunks\r | |
158 | //\r | |
159 | AddThunkProtocol (&gX11ThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuGop), TRUE);\r | |
160 | AddThunkProtocol (&gPosixFileSystemThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuFileSystem), TRUE);\r | |
161 | AddThunkProtocol (&gBlockIoThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuVirtualDisk), TRUE);\r | |
162 | AddThunkProtocol (&gSnpThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuNetworkInterface), TRUE);\r | |
163 | \r | |
164 | //\r | |
165 | // Emulator other Thunks\r | |
166 | //\r | |
167 | AddThunkProtocol (&gPthreadThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuApCount), FALSE);\r | |
168 | \r | |
169 | // EmuSecLibConstructor ();\r | |
170 | \r | |
171 | gPpiList = GetThunkPpiList ();\r | |
172 | \r | |
173 | //\r | |
174 | // Allocate space for gSystemMemory Array\r | |
175 | //\r | |
a550d468 MK |
176 | gSystemMemoryCount = CountSeparatorsInString (MemorySizeStr, '!') + 1;\r |
177 | gSystemMemory = AllocateZeroPool (gSystemMemoryCount * sizeof (EMU_SYSTEM_MEMORY));\r | |
58f89bb1 JJ |
178 | if (gSystemMemory == NULL) {\r |
179 | printf ("ERROR : Can not allocate memory for system. Exiting.\n");\r | |
180 | exit (1);\r | |
181 | }\r | |
a550d468 | 182 | \r |
58f89bb1 JJ |
183 | //\r |
184 | // Allocate space for gSystemMemory Array\r | |
185 | //\r | |
a550d468 MK |
186 | gFdInfoCount = CountSeparatorsInString (FirmwareVolumesStr, '!') + 1;\r |
187 | gFdInfo = AllocateZeroPool (gFdInfoCount * sizeof (EMU_FD_INFO));\r | |
58f89bb1 JJ |
188 | if (gFdInfo == NULL) {\r |
189 | printf ("ERROR : Can not allocate memory for fd info. Exiting.\n");\r | |
190 | exit (1);\r | |
191 | }\r | |
192 | \r | |
193 | printf (" BootMode 0x%02x\n", (unsigned int)PcdGet32 (PcdEmuBootMode));\r | |
194 | \r | |
195 | //\r | |
196 | // Open up a 128K file to emulate temp memory for SEC.\r | |
197 | // on a real platform this would be SRAM, or using the cache as RAM.\r | |
198 | // Set InitialStackMemory to zero so UnixOpenFile will allocate a new mapping\r | |
199 | //\r | |
a550d468 MK |
200 | InitialStackMemorySize = STACK_SIZE;\r |
201 | InitialStackMemory = (UINTN)MapMemory (\r | |
202 | 0,\r | |
203 | (UINT32)InitialStackMemorySize,\r | |
204 | PROT_READ | PROT_WRITE | PROT_EXEC,\r | |
205 | MAP_ANONYMOUS | MAP_PRIVATE\r | |
206 | );\r | |
58f89bb1 JJ |
207 | if (InitialStackMemory == 0) {\r |
208 | printf ("ERROR : Can not open SecStack Exiting\n");\r | |
209 | exit (1);\r | |
210 | }\r | |
211 | \r | |
a550d468 MK |
212 | printf (\r |
213 | " OS Emulator passing in %u KB of temp RAM at 0x%08lx to SEC\n",\r | |
58f89bb1 JJ |
214 | (unsigned int)(InitialStackMemorySize / 1024),\r |
215 | (unsigned long)InitialStackMemory\r | |
216 | );\r | |
217 | \r | |
a550d468 MK |
218 | for (StackPointer = (UINTN *)(UINTN)InitialStackMemory;\r |
219 | StackPointer < (UINTN *)(UINTN)((UINTN)InitialStackMemory + (UINT64)InitialStackMemorySize);\r | |
220 | StackPointer++)\r | |
221 | {\r | |
58f89bb1 JJ |
222 | *StackPointer = 0x5AA55AA5;\r |
223 | }\r | |
224 | \r | |
225 | //\r | |
226 | // Open All the firmware volumes and remember the info in the gFdInfo global\r | |
227 | //\r | |
a550d468 | 228 | FileName = (CHAR8 *)AllocatePool (StrLen (FirmwareVolumesStr) + 1);\r |
58f89bb1 JJ |
229 | if (FileName == NULL) {\r |
230 | printf ("ERROR : Can not allocate memory for firmware volume string\n");\r | |
231 | exit (1);\r | |
232 | }\r | |
233 | \r | |
234 | Index2 = 0;\r | |
235 | for (Done = FALSE, Index = 0, PeiIndex = 0, SecFile = NULL;\r | |
236 | FirmwareVolumesStr[Index2] != 0;\r | |
a550d468 MK |
237 | Index++)\r |
238 | {\r | |
58f89bb1 JJ |
239 | for (Index1 = 0; (FirmwareVolumesStr[Index2] != '!') && (FirmwareVolumesStr[Index2] != 0); Index2++) {\r |
240 | FileName[Index1++] = FirmwareVolumesStr[Index2];\r | |
241 | }\r | |
a550d468 | 242 | \r |
58f89bb1 JJ |
243 | if (FirmwareVolumesStr[Index2] == '!') {\r |
244 | Index2++;\r | |
245 | }\r | |
a550d468 MK |
246 | \r |
247 | FileName[Index1] = '\0';\r | |
58f89bb1 JJ |
248 | \r |
249 | if (Index == 0) {\r | |
250 | // Map FV Recovery Read Only and other areas Read/Write\r | |
251 | Status = MapFd0 (\r | |
a550d468 MK |
252 | FileName,\r |
253 | &gFdInfo[0].Address,\r | |
254 | &gFdInfo[0].Size\r | |
255 | );\r | |
58f89bb1 JJ |
256 | } else {\r |
257 | //\r | |
afa99fac | 258 | // Open the FD and remember where it got mapped into our processes address space\r |
58f89bb1 JJ |
259 | // Maps Read Only\r |
260 | //\r | |
261 | Status = MapFile (\r | |
a550d468 MK |
262 | FileName,\r |
263 | &gFdInfo[Index].Address,\r | |
264 | &gFdInfo[Index].Size\r | |
265 | );\r | |
58f89bb1 | 266 | }\r |
a550d468 | 267 | \r |
58f89bb1 JJ |
268 | if (EFI_ERROR (Status)) {\r |
269 | printf ("ERROR : Can not open Firmware Device File %s (%x). Exiting.\n", FileName, (unsigned int)Status);\r | |
270 | exit (1);\r | |
271 | }\r | |
272 | \r | |
a550d468 | 273 | printf (" FD loaded from %s at 0x%08lx", FileName, (unsigned long)gFdInfo[Index].Address);\r |
58f89bb1 JJ |
274 | \r |
275 | if (SecFile == NULL) {\r | |
276 | //\r | |
277 | // Assume the beginning of the FD is an FV and look for the SEC Core.\r | |
278 | // Load the first one we find.\r | |
279 | //\r | |
280 | FileHandle = NULL;\r | |
a550d468 MK |
281 | Status = PeiServicesFfsFindNextFile (\r |
282 | EFI_FV_FILETYPE_SECURITY_CORE,\r | |
283 | (EFI_PEI_FV_HANDLE)(UINTN)gFdInfo[Index].Address,\r | |
284 | &FileHandle\r | |
285 | );\r | |
58f89bb1 JJ |
286 | if (!EFI_ERROR (Status)) {\r |
287 | Status = PeiServicesFfsFindSectionData (EFI_SECTION_PE32, FileHandle, &SecFile);\r | |
288 | if (!EFI_ERROR (Status)) {\r | |
289 | PeiIndex = Index;\r | |
290 | printf (" contains SEC Core");\r | |
291 | }\r | |
292 | }\r | |
293 | }\r | |
294 | \r | |
295 | printf ("\n");\r | |
296 | }\r | |
297 | \r | |
298 | if (SecFile == NULL) {\r | |
299 | printf ("ERROR : SEC not found!\n");\r | |
300 | exit (1);\r | |
301 | }\r | |
302 | \r | |
303 | //\r | |
304 | // Calculate memory regions and store the information in the gSystemMemory\r | |
305 | // global for later use. The autosizing code will use this data to\r | |
306 | // map this memory into the SEC process memory space.\r | |
307 | //\r | |
308 | Index1 = 0;\r | |
a550d468 | 309 | Index = 0;\r |
58f89bb1 | 310 | while (1) {\r |
a550d468 | 311 | UINTN val = 0;\r |
58f89bb1 JJ |
312 | //\r |
313 | // Save the size of the memory.\r | |
314 | //\r | |
315 | while (MemorySizeStr[Index1] >= '0' && MemorySizeStr[Index1] <= '9') {\r | |
316 | val = val * 10 + MemorySizeStr[Index1] - '0';\r | |
317 | Index1++;\r | |
318 | }\r | |
a550d468 | 319 | \r |
58f89bb1 JJ |
320 | gSystemMemory[Index++].Size = val * 0x100000;\r |
321 | if (MemorySizeStr[Index1] == 0) {\r | |
322 | break;\r | |
323 | }\r | |
a550d468 | 324 | \r |
58f89bb1 JJ |
325 | Index1++;\r |
326 | }\r | |
327 | \r | |
328 | printf ("\n");\r | |
329 | \r | |
330 | //\r | |
331 | // Hand off to SEC\r | |
332 | //\r | |
a550d468 | 333 | SecLoadFromCore ((UINTN)InitialStackMemory, (UINTN)InitialStackMemorySize, (UINTN)gFdInfo[0].Address, SecFile);\r |
58f89bb1 JJ |
334 | \r |
335 | //\r | |
336 | // If we get here, then the SEC Core returned. This is an error as SEC should\r | |
337 | // always hand off to PEI Core and then on to DXE Core.\r | |
338 | //\r | |
339 | printf ("ERROR : SEC returned\n");\r | |
340 | exit (1);\r | |
341 | }\r | |
342 | \r | |
58f89bb1 JJ |
343 | EFI_PHYSICAL_ADDRESS *\r |
344 | MapMemory (\r | |
a550d468 MK |
345 | IN INTN fd,\r |
346 | IN UINT64 length,\r | |
347 | IN INTN prot,\r | |
348 | IN INTN flags\r | |
58f89bb1 JJ |
349 | )\r |
350 | {\r | |
a550d468 MK |
351 | STATIC UINTN base = 0x40000000;\r |
352 | CONST UINTN align = (1 << 24);\r | |
353 | VOID *res = NULL;\r | |
354 | BOOLEAN isAligned = 0;\r | |
58f89bb1 JJ |
355 | \r |
356 | //\r | |
357 | // Try to get an aligned block somewhere in the address space of this\r | |
358 | // process.\r | |
359 | //\r | |
a550d468 | 360 | while ((!isAligned) && (base != 0)) {\r |
58f89bb1 JJ |
361 | res = mmap ((void *)base, length, prot, flags, fd, 0);\r |
362 | if (res == MAP_FAILED) {\r | |
363 | return NULL;\r | |
364 | }\r | |
a550d468 | 365 | \r |
58f89bb1 | 366 | if ((((UINTN)res) & ~(align-1)) == (UINTN)res) {\r |
a550d468 | 367 | isAligned = 1;\r |
58f89bb1 | 368 | } else {\r |
a550d468 | 369 | munmap (res, length);\r |
58f89bb1 JJ |
370 | base += align;\r |
371 | }\r | |
372 | }\r | |
a550d468 | 373 | \r |
58f89bb1 JJ |
374 | return res;\r |
375 | }\r | |
376 | \r | |
58f89bb1 JJ |
377 | /*++\r |
378 | \r | |
379 | Routine Description:\r | |
380 | Opens and memory maps a file using Unix services. If BaseAddress is non zero\r | |
381 | the process will try and allocate the memory starting at BaseAddress.\r | |
382 | \r | |
383 | Arguments:\r | |
384 | FileName - The name of the file to open and map\r | |
385 | MapSize - The amount of the file to map in bytes\r | |
386 | CreationDisposition - The flags to pass to CreateFile(). Use to create new files for\r | |
387 | memory emulation, and exiting files for firmware volume emulation\r | |
388 | BaseAddress - The base address of the mapped file in the user address space.\r | |
389 | If passed in as NULL the a new memory region is used.\r | |
390 | If passed in as non NULL the request memory region is used for\r | |
391 | the mapping of the file into the process space.\r | |
392 | Length - The size of the mapped region in bytes\r | |
393 | \r | |
394 | Returns:\r | |
395 | EFI_SUCCESS - The file was opened and mapped.\r | |
396 | EFI_NOT_FOUND - FileName was not found in the current directory\r | |
26cfe2c6 | 397 | EFI_DEVICE_ERROR - An error occurred attempting to map the opened file\r |
58f89bb1 JJ |
398 | \r |
399 | **/\r | |
400 | EFI_STATUS\r | |
401 | MapFile (\r | |
402 | IN CHAR8 *FileName,\r | |
403 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
404 | OUT UINT64 *Length\r | |
405 | )\r | |
406 | {\r | |
a550d468 MK |
407 | int fd;\r |
408 | VOID *res;\r | |
409 | UINTN FileSize;\r | |
58f89bb1 JJ |
410 | \r |
411 | fd = open (FileName, O_RDWR);\r | |
412 | if (fd < 0) {\r | |
413 | return EFI_NOT_FOUND;\r | |
414 | }\r | |
58f89bb1 | 415 | \r |
a550d468 | 416 | FileSize = lseek (fd, 0, SEEK_END);\r |
58f89bb1 JJ |
417 | \r |
418 | res = MapMemory (fd, FileSize, PROT_READ | PROT_EXEC, MAP_PRIVATE);\r | |
419 | \r | |
420 | close (fd);\r | |
421 | \r | |
422 | if (res == NULL) {\r | |
423 | perror ("MapFile() Failed");\r | |
424 | return EFI_DEVICE_ERROR;\r | |
425 | }\r | |
426 | \r | |
a550d468 MK |
427 | *Length = (UINT64)FileSize;\r |
428 | *BaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)res;\r | |
58f89bb1 JJ |
429 | \r |
430 | return EFI_SUCCESS;\r | |
431 | }\r | |
432 | \r | |
433 | EFI_STATUS\r | |
434 | MapFd0 (\r | |
435 | IN CHAR8 *FileName,\r | |
436 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
437 | OUT UINT64 *Length\r | |
438 | )\r | |
439 | {\r | |
a550d468 MK |
440 | int fd;\r |
441 | void *res, *res2, *res3;\r | |
442 | UINTN FileSize;\r | |
443 | UINTN FvSize;\r | |
444 | void *EmuMagicPage;\r | |
58f89bb1 JJ |
445 | \r |
446 | fd = open (FileName, O_RDWR);\r | |
447 | if (fd < 0) {\r | |
448 | return EFI_NOT_FOUND;\r | |
449 | }\r | |
a550d468 | 450 | \r |
58f89bb1 JJ |
451 | FileSize = lseek (fd, 0, SEEK_END);\r |
452 | \r | |
453 | FvSize = FixedPcdGet64 (PcdEmuFlashFvRecoverySize);\r | |
454 | \r | |
455 | // Assume start of FD is Recovery FV, and make it write protected\r | |
456 | res = mmap (\r | |
457 | (void *)(UINTN)FixedPcdGet64 (PcdEmuFlashFvRecoveryBase),\r | |
458 | FvSize,\r | |
459 | PROT_READ | PROT_EXEC,\r | |
460 | MAP_PRIVATE,\r | |
461 | fd,\r | |
462 | 0\r | |
463 | );\r | |
464 | if (res == MAP_FAILED) {\r | |
465 | perror ("MapFd0() Failed res =");\r | |
466 | close (fd);\r | |
467 | return EFI_DEVICE_ERROR;\r | |
468 | } else if (res != (void *)(UINTN)FixedPcdGet64 (PcdEmuFlashFvRecoveryBase)) {\r | |
469 | // We could not load at the build address, so we need to allow writes\r | |
470 | munmap (res, FvSize);\r | |
471 | res = mmap (\r | |
472 | (void *)(UINTN)FixedPcdGet64 (PcdEmuFlashFvRecoveryBase),\r | |
473 | FvSize,\r | |
474 | PROT_READ | PROT_WRITE | PROT_EXEC,\r | |
475 | MAP_PRIVATE,\r | |
476 | fd,\r | |
477 | 0\r | |
478 | );\r | |
479 | if (res == MAP_FAILED) {\r | |
480 | perror ("MapFd0() Failed res =");\r | |
481 | close (fd);\r | |
482 | return EFI_DEVICE_ERROR;\r | |
483 | }\r | |
484 | }\r | |
485 | \r | |
486 | // Map the rest of the FD as read/write\r | |
487 | res2 = mmap (\r | |
a550d468 MK |
488 | (void *)(UINTN)(FixedPcdGet64 (PcdEmuFlashFvRecoveryBase) + FvSize),\r |
489 | FileSize - FvSize,\r | |
490 | PROT_READ | PROT_WRITE | PROT_EXEC,\r | |
491 | MAP_SHARED,\r | |
492 | fd,\r | |
493 | FvSize\r | |
494 | );\r | |
58f89bb1 JJ |
495 | close (fd);\r |
496 | if (res2 == MAP_FAILED) {\r | |
497 | perror ("MapFd0() Failed res2 =");\r | |
498 | return EFI_DEVICE_ERROR;\r | |
499 | }\r | |
500 | \r | |
501 | //\r | |
502 | // If enabled use the magic page to communicate between modules\r | |
503 | // This replaces the PI PeiServicesTable pointer mechanism that\r | |
504 | // deos not work in the emulator. It also allows the removal of\r | |
505 | // writable globals from SEC, PEI_CORE (libraries), PEIMs\r | |
506 | //\r | |
507 | EmuMagicPage = (void *)(UINTN)FixedPcdGet64 (PcdPeiServicesTablePage);\r | |
508 | if (EmuMagicPage != NULL) {\r | |
509 | res3 = mmap (\r | |
510 | (void *)EmuMagicPage,\r | |
511 | 4096,\r | |
512 | PROT_READ | PROT_WRITE,\r | |
513 | MAP_PRIVATE | MAP_ANONYMOUS,\r | |
514 | 0,\r | |
515 | 0\r | |
516 | );\r | |
517 | if (res3 != EmuMagicPage) {\r | |
518 | printf ("MapFd0(): Could not allocate PeiServicesTablePage @ %lx\n", (long unsigned int)EmuMagicPage);\r | |
519 | return EFI_DEVICE_ERROR;\r | |
520 | }\r | |
521 | }\r | |
522 | \r | |
a550d468 MK |
523 | *Length = (UINT64)FileSize;\r |
524 | *BaseAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)res;\r | |
58f89bb1 JJ |
525 | \r |
526 | return EFI_SUCCESS;\r | |
527 | }\r | |
528 | \r | |
58f89bb1 JJ |
529 | /*++\r |
530 | \r | |
531 | Routine Description:\r | |
532 | This is the service to load the SEC Core from the Firmware Volume\r | |
533 | \r | |
534 | Arguments:\r | |
535 | LargestRegion - Memory to use for SEC.\r | |
536 | LargestRegionSize - Size of Memory to use for PEI\r | |
537 | BootFirmwareVolumeBase - Start of the Boot FV\r | |
538 | PeiCorePe32File - SEC PE32\r | |
539 | \r | |
540 | Returns:\r | |
26cfe2c6 | 541 | Success means control is transferred and thus we should never return\r |
58f89bb1 JJ |
542 | \r |
543 | **/\r | |
544 | VOID\r | |
545 | SecLoadFromCore (\r | |
a550d468 MK |
546 | IN UINTN LargestRegion,\r |
547 | IN UINTN LargestRegionSize,\r | |
548 | IN UINTN BootFirmwareVolumeBase,\r | |
549 | IN VOID *PeiCorePe32File\r | |
58f89bb1 JJ |
550 | )\r |
551 | {\r | |
a550d468 MK |
552 | EFI_STATUS Status;\r |
553 | EFI_PHYSICAL_ADDRESS TopOfMemory;\r | |
554 | VOID *TopOfStack;\r | |
555 | EFI_PHYSICAL_ADDRESS PeiCoreEntryPoint;\r | |
556 | EFI_SEC_PEI_HAND_OFF *SecCoreData;\r | |
557 | UINTN PeiStackSize;\r | |
58f89bb1 JJ |
558 | \r |
559 | //\r | |
560 | // Compute Top Of Memory for Stack and PEI Core Allocations\r | |
561 | //\r | |
562 | TopOfMemory = LargestRegion + LargestRegionSize;\r | |
a550d468 | 563 | PeiStackSize = (UINTN)RShiftU64 ((UINT64)STACK_SIZE, 1);\r |
58f89bb1 JJ |
564 | \r |
565 | //\r | |
566 | // |-----------| <---- TemporaryRamBase + TemporaryRamSize\r | |
567 | // | Heap |\r | |
568 | // | |\r | |
569 | // |-----------| <---- StackBase / PeiTemporaryMemoryBase\r | |
570 | // | |\r | |
571 | // | Stack |\r | |
572 | // |-----------| <---- TemporaryRamBase\r | |
573 | //\r | |
574 | TopOfStack = (VOID *)(LargestRegion + PeiStackSize);\r | |
575 | TopOfMemory = LargestRegion + PeiStackSize;\r | |
576 | \r | |
577 | //\r | |
578 | // Reservet space for storing PeiCore's parament in stack.\r | |
579 | //\r | |
a550d468 MK |
580 | TopOfStack = (VOID *)((UINTN)TopOfStack - sizeof (EFI_SEC_PEI_HAND_OFF) - CPU_STACK_ALIGNMENT);\r |
581 | TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);\r | |
58f89bb1 JJ |
582 | \r |
583 | //\r | |
584 | // Bind this information into the SEC hand-off state\r | |
585 | //\r | |
a550d468 MK |
586 | SecCoreData = (EFI_SEC_PEI_HAND_OFF *)(UINTN)TopOfStack;\r |
587 | SecCoreData->DataSize = sizeof (EFI_SEC_PEI_HAND_OFF);\r | |
588 | SecCoreData->BootFirmwareVolumeBase = (VOID *)BootFirmwareVolumeBase;\r | |
58f89bb1 | 589 | SecCoreData->BootFirmwareVolumeSize = PcdGet32 (PcdEmuFirmwareFdSize);\r |
a550d468 | 590 | SecCoreData->TemporaryRamBase = (VOID *)(UINTN)LargestRegion;\r |
58f89bb1 JJ |
591 | SecCoreData->TemporaryRamSize = STACK_SIZE;\r |
592 | SecCoreData->StackBase = SecCoreData->TemporaryRamBase;\r | |
593 | SecCoreData->StackSize = PeiStackSize;\r | |
a550d468 | 594 | SecCoreData->PeiTemporaryRamBase = (VOID *)((UINTN)SecCoreData->TemporaryRamBase + PeiStackSize);\r |
58f89bb1 JJ |
595 | SecCoreData->PeiTemporaryRamSize = STACK_SIZE - PeiStackSize;\r |
596 | \r | |
597 | //\r | |
598 | // Find the SEC Core Entry Point\r | |
599 | //\r | |
600 | Status = SecPeCoffGetEntryPoint (PeiCorePe32File, (VOID **)&PeiCoreEntryPoint);\r | |
601 | if (EFI_ERROR (Status)) {\r | |
a550d468 | 602 | return;\r |
58f89bb1 JJ |
603 | }\r |
604 | \r | |
605 | //\r | |
606 | // Transfer control to the SEC Core\r | |
607 | //\r | |
608 | PeiSwitchStacks (\r | |
a550d468 | 609 | (SWITCH_STACK_ENTRY_POINT)(UINTN)PeiCoreEntryPoint,\r |
58f89bb1 JJ |
610 | SecCoreData,\r |
611 | (VOID *)gPpiList,\r | |
612 | TopOfStack\r | |
613 | );\r | |
614 | //\r | |
615 | // If we get here, then the SEC Core returned. This is an error\r | |
616 | //\r | |
a550d468 | 617 | return;\r |
58f89bb1 JJ |
618 | }\r |
619 | \r | |
58f89bb1 JJ |
620 | /*++\r |
621 | \r | |
622 | Routine Description:\r | |
623 | This service is called from Index == 0 until it returns EFI_UNSUPPORTED.\r | |
afa99fac | 624 | It allows discontinuous memory regions to be supported by the emulator.\r |
58f89bb1 JJ |
625 | It uses gSystemMemory[] and gSystemMemoryCount that were created by\r |
626 | parsing the host environment variable EFI_MEMORY_SIZE.\r | |
26cfe2c6 | 627 | The size comes from the variable and the address comes from the call to\r |
58f89bb1 JJ |
628 | UnixOpenFile.\r |
629 | \r | |
630 | Arguments:\r | |
631 | Index - Which memory region to use\r | |
632 | MemoryBase - Return Base address of memory region\r | |
633 | MemorySize - Return size in bytes of the memory region\r | |
634 | \r | |
635 | Returns:\r | |
636 | EFI_SUCCESS - If memory region was mapped\r | |
637 | EFI_UNSUPPORTED - If Index is not supported\r | |
638 | \r | |
639 | **/\r | |
640 | EFI_STATUS\r | |
641 | SecUnixPeiAutoScan (\r | |
642 | IN UINTN Index,\r | |
643 | OUT EFI_PHYSICAL_ADDRESS *MemoryBase,\r | |
644 | OUT UINT64 *MemorySize\r | |
645 | )\r | |
646 | {\r | |
a550d468 | 647 | void *res;\r |
58f89bb1 JJ |
648 | \r |
649 | if (Index >= gSystemMemoryCount) {\r | |
650 | return EFI_UNSUPPORTED;\r | |
651 | }\r | |
652 | \r | |
653 | *MemoryBase = 0;\r | |
a550d468 MK |
654 | res = MapMemory (\r |
655 | 0,\r | |
656 | gSystemMemory[Index].Size,\r | |
657 | PROT_READ | PROT_WRITE | PROT_EXEC,\r | |
658 | MAP_PRIVATE | MAP_ANONYMOUS\r | |
659 | );\r | |
58f89bb1 JJ |
660 | if (res == MAP_FAILED) {\r |
661 | return EFI_DEVICE_ERROR;\r | |
662 | }\r | |
a550d468 MK |
663 | \r |
664 | *MemorySize = gSystemMemory[Index].Size;\r | |
665 | *MemoryBase = (UINTN)res;\r | |
58f89bb1 JJ |
666 | gSystemMemory[Index].Memory = *MemoryBase;\r |
667 | \r | |
668 | return EFI_SUCCESS;\r | |
669 | }\r | |
670 | \r | |
58f89bb1 JJ |
671 | /*++\r |
672 | \r | |
673 | Routine Description:\r | |
674 | Check to see if an address range is in the EFI GCD memory map.\r | |
675 | \r | |
676 | This is all of GCD for system memory passed to DXE Core. FV\r | |
677 | mapping and other device mapped into system memory are not\r | |
26cfe2c6 | 678 | included in the check.\r |
58f89bb1 JJ |
679 | \r |
680 | Arguments:\r | |
681 | Index - Which memory region to use\r | |
682 | MemoryBase - Return Base address of memory region\r | |
683 | MemorySize - Return size in bytes of the memory region\r | |
684 | \r | |
685 | Returns:\r | |
686 | TRUE - Address is in the EFI GCD memory map\r | |
687 | FALSE - Address is NOT in memory map\r | |
688 | \r | |
689 | **/\r | |
690 | BOOLEAN\r | |
691 | EfiSystemMemoryRange (\r | |
a550d468 | 692 | IN VOID *MemoryAddress\r |
58f89bb1 JJ |
693 | )\r |
694 | {\r | |
695 | UINTN Index;\r | |
696 | EFI_PHYSICAL_ADDRESS MemoryBase;\r | |
697 | \r | |
698 | MemoryBase = (EFI_PHYSICAL_ADDRESS)(UINTN)MemoryAddress;\r | |
699 | for (Index = 0; Index < gSystemMemoryCount; Index++) {\r | |
700 | if ((MemoryBase >= gSystemMemory[Index].Memory) &&\r | |
a550d468 MK |
701 | (MemoryBase < (gSystemMemory[Index].Memory + gSystemMemory[Index].Size)))\r |
702 | {\r | |
58f89bb1 JJ |
703 | return TRUE;\r |
704 | }\r | |
705 | }\r | |
706 | \r | |
707 | return FALSE;\r | |
708 | }\r | |
709 | \r | |
58f89bb1 JJ |
710 | /*++\r |
711 | \r | |
712 | Routine Description:\r | |
713 | Since the SEC is the only Unix program in stack it must export\r | |
afa99fac | 714 | an interface to do POSIX calls. gUnix is initialized in UnixThunk.c.\r |
58f89bb1 JJ |
715 | \r |
716 | Arguments:\r | |
717 | InterfaceSize - sizeof (EFI_WIN_NT_THUNK_PROTOCOL);\r | |
718 | InterfaceBase - Address of the gUnix global\r | |
719 | \r | |
720 | Returns:\r | |
721 | EFI_SUCCESS - Data returned\r | |
722 | \r | |
723 | **/\r | |
724 | VOID *\r | |
725 | SecEmuThunkAddress (\r | |
726 | VOID\r | |
727 | )\r | |
728 | {\r | |
729 | return &gEmuThunkProtocol;\r | |
730 | }\r | |
731 | \r | |
58f89bb1 JJ |
732 | RETURN_STATUS\r |
733 | EFIAPI\r | |
734 | SecPeCoffGetEntryPoint (\r | |
735 | IN VOID *Pe32Data,\r | |
736 | IN OUT VOID **EntryPoint\r | |
737 | )\r | |
738 | {\r | |
739 | EFI_STATUS Status;\r | |
740 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
741 | \r | |
742 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
a550d468 MK |
743 | ImageContext.Handle = Pe32Data;\r |
744 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE)SecImageRead;\r | |
58f89bb1 | 745 | \r |
a550d468 | 746 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r |
58f89bb1 JJ |
747 | if (EFI_ERROR (Status)) {\r |
748 | return Status;\r | |
749 | }\r | |
750 | \r | |
751 | if (ImageContext.ImageAddress != (UINTN)Pe32Data) {\r | |
752 | //\r | |
753 | // Relocate image to match the address where it resides\r | |
754 | //\r | |
755 | ImageContext.ImageAddress = (UINTN)Pe32Data;\r | |
a550d468 | 756 | Status = PeCoffLoaderLoadImage (&ImageContext);\r |
58f89bb1 JJ |
757 | if (EFI_ERROR (Status)) {\r |
758 | return Status;\r | |
759 | }\r | |
760 | \r | |
761 | Status = PeCoffLoaderRelocateImage (&ImageContext);\r | |
762 | if (EFI_ERROR (Status)) {\r | |
763 | return Status;\r | |
764 | }\r | |
765 | } else {\r | |
766 | //\r | |
767 | // Or just return image entry point\r | |
768 | //\r | |
769 | ImageContext.PdbPointer = PeCoffLoaderGetPdbPointer (Pe32Data);\r | |
a550d468 | 770 | Status = PeCoffLoaderGetEntryPoint (Pe32Data, EntryPoint);\r |
58f89bb1 JJ |
771 | if (EFI_ERROR (Status)) {\r |
772 | return Status;\r | |
773 | }\r | |
a550d468 | 774 | \r |
58f89bb1 JJ |
775 | ImageContext.EntryPoint = (UINTN)*EntryPoint;\r |
776 | }\r | |
777 | \r | |
778 | // On Unix a dlopen is done that will change the entry point\r | |
779 | SecPeCoffRelocateImageExtraAction (&ImageContext);\r | |
780 | *EntryPoint = (VOID *)(UINTN)ImageContext.EntryPoint;\r | |
781 | \r | |
782 | return Status;\r | |
783 | }\r | |
784 | \r | |
58f89bb1 JJ |
785 | /*++\r |
786 | \r | |
787 | Routine Description:\r | |
788 | Return the FD Size and base address. Since the FD is loaded from a\r | |
26cfe2c6 | 789 | file into host memory only the SEC will know its address.\r |
58f89bb1 JJ |
790 | \r |
791 | Arguments:\r | |
792 | Index - Which FD, starts at zero.\r | |
793 | FdSize - Size of the FD in bytes\r | |
794 | FdBase - Start address of the FD. Assume it points to an FV Header\r | |
795 | FixUp - Difference between actual FD address and build address\r | |
796 | \r | |
797 | Returns:\r | |
798 | EFI_SUCCESS - Return the Base address and size of the FV\r | |
799 | EFI_UNSUPPORTED - Index does nto map to an FD in the system\r | |
800 | \r | |
801 | **/\r | |
802 | EFI_STATUS\r | |
803 | SecUnixFdAddress (\r | |
804 | IN UINTN Index,\r | |
805 | IN OUT EFI_PHYSICAL_ADDRESS *FdBase,\r | |
806 | IN OUT UINT64 *FdSize,\r | |
807 | IN OUT EFI_PHYSICAL_ADDRESS *FixUp\r | |
808 | )\r | |
809 | {\r | |
810 | if (Index >= gFdInfoCount) {\r | |
811 | return EFI_UNSUPPORTED;\r | |
812 | }\r | |
813 | \r | |
814 | *FdBase = gFdInfo[Index].Address;\r | |
815 | *FdSize = gFdInfo[Index].Size;\r | |
816 | *FixUp = 0;\r | |
817 | \r | |
a550d468 | 818 | if ((*FdBase == 0) && (*FdSize == 0)) {\r |
58f89bb1 JJ |
819 | return EFI_UNSUPPORTED;\r |
820 | }\r | |
821 | \r | |
822 | if (Index == 0) {\r | |
823 | //\r | |
824 | // FD 0 has XIP code and well known PCD values\r | |
825 | // If the memory buffer could not be allocated at the FD build address\r | |
826 | // the Fixup is the difference.\r | |
827 | //\r | |
828 | *FixUp = *FdBase - PcdGet64 (PcdEmuFdBaseAddress);\r | |
829 | }\r | |
830 | \r | |
831 | return EFI_SUCCESS;\r | |
832 | }\r | |
833 | \r | |
58f89bb1 JJ |
834 | /*++\r |
835 | \r | |
836 | Routine Description:\r | |
afa99fac | 837 | Count the number of separators in String\r |
58f89bb1 JJ |
838 | \r |
839 | Arguments:\r | |
840 | String - String to process\r | |
afa99fac | 841 | Separator - Item to count\r |
58f89bb1 JJ |
842 | \r |
843 | Returns:\r | |
afa99fac | 844 | Number of Separator in String\r |
58f89bb1 JJ |
845 | \r |
846 | **/\r | |
847 | UINTN\r | |
afa99fac | 848 | CountSeparatorsInString (\r |
a550d468 MK |
849 | IN const CHAR16 *String,\r |
850 | IN CHAR16 Separator\r | |
58f89bb1 JJ |
851 | )\r |
852 | {\r | |
a550d468 | 853 | UINTN Count;\r |
58f89bb1 JJ |
854 | \r |
855 | for (Count = 0; *String != '\0'; String++) {\r | |
afa99fac | 856 | if (*String == Separator) {\r |
58f89bb1 JJ |
857 | Count++;\r |
858 | }\r | |
859 | }\r | |
860 | \r | |
861 | return Count;\r | |
862 | }\r | |
863 | \r | |
58f89bb1 JJ |
864 | EFI_STATUS\r |
865 | EFIAPI\r | |
866 | SecImageRead (\r | |
a550d468 MK |
867 | IN VOID *FileHandle,\r |
868 | IN UINTN FileOffset,\r | |
869 | IN OUT UINTN *ReadSize,\r | |
870 | OUT VOID *Buffer\r | |
58f89bb1 | 871 | )\r |
a550d468 | 872 | \r |
58f89bb1 JJ |
873 | /*++\r |
874 | \r | |
875 | Routine Description:\r | |
876 | Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file\r | |
877 | \r | |
878 | Arguments:\r | |
879 | FileHandle - The handle to the PE/COFF file\r | |
880 | FileOffset - The offset, in bytes, into the file to read\r | |
881 | ReadSize - The number of bytes to read from the file starting at FileOffset\r | |
882 | Buffer - A pointer to the buffer to read the data into.\r | |
883 | \r | |
884 | Returns:\r | |
885 | EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset\r | |
886 | \r | |
887 | **/\r | |
888 | {\r | |
a550d468 MK |
889 | CHAR8 *Destination8;\r |
890 | CHAR8 *Source8;\r | |
891 | UINTN Length;\r | |
58f89bb1 | 892 | \r |
a550d468 MK |
893 | Destination8 = Buffer;\r |
894 | Source8 = (CHAR8 *)((UINTN)FileHandle + FileOffset);\r | |
895 | Length = *ReadSize;\r | |
58f89bb1 JJ |
896 | while (Length--) {\r |
897 | *(Destination8++) = *(Source8++);\r | |
898 | }\r | |
899 | \r | |
900 | return EFI_SUCCESS;\r | |
901 | }\r | |
902 | \r | |
58f89bb1 JJ |
903 | /*++\r |
904 | \r | |
905 | Routine Description:\r | |
906 | Store the ModHandle in an array indexed by the Pdb File name.\r | |
907 | The ModHandle is needed to unload the image.\r | |
908 | \r | |
909 | Arguments:\r | |
26cfe2c6 | 910 | ImageContext - Input data returned from PE Loader Library. Used to find the\r |
58f89bb1 JJ |
911 | .PDB file name of the PE Image.\r |
912 | ModHandle - Returned from LoadLibraryEx() and stored for call to\r | |
913 | FreeLibrary().\r | |
914 | \r | |
915 | Returns:\r | |
916 | EFI_SUCCESS - ModHandle was stored.\r | |
917 | \r | |
918 | **/\r | |
919 | EFI_STATUS\r | |
920 | AddHandle (\r | |
a550d468 MK |
921 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,\r |
922 | IN VOID *ModHandle\r | |
58f89bb1 JJ |
923 | )\r |
924 | {\r | |
a550d468 MK |
925 | UINTN Index;\r |
926 | IMAGE_CONTEXT_TO_MOD_HANDLE *Array;\r | |
927 | UINTN PreviousSize;\r | |
58f89bb1 JJ |
928 | \r |
929 | Array = mImageContextModHandleArray;\r | |
930 | for (Index = 0; Index < mImageContextModHandleArraySize; Index++, Array++) {\r | |
931 | if (Array->ImageContext == NULL) {\r | |
932 | //\r | |
26cfe2c6 | 933 | // Make a copy of the string and store the ModHandle\r |
58f89bb1 JJ |
934 | //\r |
935 | Array->ImageContext = ImageContext;\r | |
936 | Array->ModHandle = ModHandle;\r | |
937 | return EFI_SUCCESS;\r | |
938 | }\r | |
939 | }\r | |
940 | \r | |
941 | //\r | |
942 | // No free space in mImageContextModHandleArray so grow it by\r | |
943 | // IMAGE_CONTEXT_TO_MOD_HANDLE entires. realloc will\r | |
26cfe2c6 | 944 | // copy the old values to the new location. But it does\r |
58f89bb1 JJ |
945 | // not zero the new memory area.\r |
946 | //\r | |
a550d468 | 947 | PreviousSize = mImageContextModHandleArraySize * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE);\r |
58f89bb1 JJ |
948 | mImageContextModHandleArraySize += MAX_IMAGE_CONTEXT_TO_MOD_HANDLE_ARRAY_SIZE;\r |
949 | \r | |
950 | mImageContextModHandleArray = ReallocatePool (\r | |
951 | (mImageContextModHandleArraySize - 1) * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE),\r | |
952 | mImageContextModHandleArraySize * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE),\r | |
953 | mImageContextModHandleArray\r | |
954 | );\r | |
955 | if (mImageContextModHandleArray == NULL) {\r | |
956 | ASSERT (FALSE);\r | |
957 | return EFI_OUT_OF_RESOURCES;\r | |
958 | }\r | |
959 | \r | |
960 | memset (mImageContextModHandleArray + PreviousSize, 0, MAX_IMAGE_CONTEXT_TO_MOD_HANDLE_ARRAY_SIZE * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE));\r | |
961 | \r | |
962 | return AddHandle (ImageContext, ModHandle);\r | |
963 | }\r | |
964 | \r | |
58f89bb1 JJ |
965 | /*++\r |
966 | \r | |
967 | Routine Description:\r | |
968 | Return the ModHandle and delete the entry in the array.\r | |
969 | \r | |
970 | Arguments:\r | |
26cfe2c6 | 971 | ImageContext - Input data returned from PE Loader Library. Used to find the\r |
58f89bb1 JJ |
972 | .PDB file name of the PE Image.\r |
973 | \r | |
974 | Returns:\r | |
26cfe2c6 | 975 | ModHandle - ModHandle associated with ImageContext is returned\r |
58f89bb1 JJ |
976 | NULL - No ModHandle associated with ImageContext\r |
977 | \r | |
978 | **/\r | |
979 | VOID *\r | |
980 | RemoveHandle (\r | |
a550d468 | 981 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r |
58f89bb1 JJ |
982 | )\r |
983 | {\r | |
984 | UINTN Index;\r | |
985 | IMAGE_CONTEXT_TO_MOD_HANDLE *Array;\r | |
986 | \r | |
987 | if (ImageContext->PdbPointer == NULL) {\r | |
988 | //\r | |
989 | // If no PDB pointer there is no ModHandle so return NULL\r | |
990 | //\r | |
991 | return NULL;\r | |
992 | }\r | |
993 | \r | |
994 | Array = mImageContextModHandleArray;\r | |
995 | for (Index = 0; Index < mImageContextModHandleArraySize; Index++, Array++) {\r | |
996 | if (Array->ImageContext == ImageContext) {\r | |
997 | //\r | |
998 | // If you find a match return it and delete the entry\r | |
999 | //\r | |
1000 | Array->ImageContext = NULL;\r | |
1001 | return Array->ModHandle;\r | |
1002 | }\r | |
1003 | }\r | |
1004 | \r | |
1005 | return NULL;\r | |
1006 | }\r | |
1007 | \r | |
58f89bb1 JJ |
1008 | BOOLEAN\r |
1009 | IsPdbFile (\r | |
a550d468 | 1010 | IN CHAR8 *PdbFileName\r |
58f89bb1 JJ |
1011 | )\r |
1012 | {\r | |
a550d468 | 1013 | UINTN Len;\r |
58f89bb1 JJ |
1014 | \r |
1015 | if (PdbFileName == NULL) {\r | |
1016 | return FALSE;\r | |
1017 | }\r | |
1018 | \r | |
1019 | Len = strlen (PdbFileName);\r | |
a550d468 | 1020 | if ((Len < 5) || (PdbFileName[Len - 4] != '.')) {\r |
58f89bb1 JJ |
1021 | return FALSE;\r |
1022 | }\r | |
1023 | \r | |
a550d468 MK |
1024 | if (((PdbFileName[Len - 3] == 'P') || (PdbFileName[Len - 3] == 'p')) &&\r |
1025 | ((PdbFileName[Len - 2] == 'D') || (PdbFileName[Len - 2] == 'd')) &&\r | |
1026 | ((PdbFileName[Len - 1] == 'B') || (PdbFileName[Len - 1] == 'b')))\r | |
1027 | {\r | |
58f89bb1 JJ |
1028 | return TRUE;\r |
1029 | }\r | |
1030 | \r | |
1031 | return FALSE;\r | |
1032 | }\r | |
1033 | \r | |
a550d468 | 1034 | #define MAX_SPRINT_BUFFER_SIZE 0x200\r |
58f89bb1 JJ |
1035 | \r |
1036 | void\r | |
1037 | PrintLoadAddress (\r | |
a550d468 | 1038 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r |
58f89bb1 JJ |
1039 | )\r |
1040 | {\r | |
1041 | if (ImageContext->PdbPointer == NULL) {\r | |
a550d468 MK |
1042 | fprintf (\r |
1043 | stderr,\r | |
58f89bb1 JJ |
1044 | "0x%08lx Loading NO DEBUG with entry point 0x%08lx\n",\r |
1045 | (unsigned long)(ImageContext->ImageAddress),\r | |
1046 | (unsigned long)ImageContext->EntryPoint\r | |
1047 | );\r | |
1048 | } else {\r | |
a550d468 MK |
1049 | fprintf (\r |
1050 | stderr,\r | |
58f89bb1 JJ |
1051 | "0x%08lx Loading %s with entry point 0x%08lx\n",\r |
1052 | (unsigned long)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders),\r | |
1053 | ImageContext->PdbPointer,\r | |
1054 | (unsigned long)ImageContext->EntryPoint\r | |
1055 | );\r | |
1056 | }\r | |
a550d468 | 1057 | \r |
58f89bb1 JJ |
1058 | // Keep output synced up\r |
1059 | fflush (stderr);\r | |
1060 | }\r | |
1061 | \r | |
58f89bb1 JJ |
1062 | /**\r |
1063 | Loads the image using dlopen so symbols will be automatically\r | |
1064 | loaded by gdb.\r | |
1065 | \r | |
1066 | @param ImageContext The PE/COFF image context\r | |
1067 | \r | |
1068 | @retval TRUE - The image was successfully loaded\r | |
1069 | @retval FALSE - The image was successfully loaded\r | |
1070 | \r | |
1071 | **/\r | |
1072 | BOOLEAN\r | |
1073 | DlLoadImage (\r | |
a550d468 | 1074 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r |
58f89bb1 JJ |
1075 | )\r |
1076 | {\r | |
a550d468 | 1077 | #ifdef __APPLE__\r |
58f89bb1 JJ |
1078 | \r |
1079 | return FALSE;\r | |
1080 | \r | |
a550d468 | 1081 | #else\r |
58f89bb1 | 1082 | \r |
a550d468 MK |
1083 | void *Handle = NULL;\r |
1084 | void *Entry = NULL;\r | |
58f89bb1 JJ |
1085 | \r |
1086 | if (ImageContext->PdbPointer == NULL) {\r | |
1087 | return FALSE;\r | |
1088 | }\r | |
1089 | \r | |
1090 | if (!IsPdbFile (ImageContext->PdbPointer)) {\r | |
1091 | return FALSE;\r | |
1092 | }\r | |
1093 | \r | |
1094 | fprintf (\r | |
a550d468 MK |
1095 | stderr,\r |
1096 | "Loading %s 0x%08lx - entry point 0x%08lx\n",\r | |
1097 | ImageContext->PdbPointer,\r | |
1098 | (unsigned long)ImageContext->ImageAddress,\r | |
1099 | (unsigned long)ImageContext->EntryPoint\r | |
1100 | );\r | |
58f89bb1 JJ |
1101 | \r |
1102 | Handle = dlopen (ImageContext->PdbPointer, RTLD_NOW);\r | |
1103 | if (Handle != NULL) {\r | |
1104 | Entry = dlsym (Handle, "_ModuleEntryPoint");\r | |
1105 | AddHandle (ImageContext, Handle);\r | |
1106 | } else {\r | |
a550d468 | 1107 | printf ("%s\n", dlerror ());\r |
58f89bb1 JJ |
1108 | }\r |
1109 | \r | |
1110 | if (Entry != NULL) {\r | |
1111 | ImageContext->EntryPoint = (UINTN)Entry;\r | |
1112 | printf ("Change %s Entrypoint to :0x%08lx\n", ImageContext->PdbPointer, (unsigned long)Entry);\r | |
1113 | return TRUE;\r | |
1114 | } else {\r | |
1115 | return FALSE;\r | |
1116 | }\r | |
1117 | \r | |
a550d468 | 1118 | #endif\r |
58f89bb1 JJ |
1119 | }\r |
1120 | \r | |
4331b9f5 | 1121 | #ifdef __APPLE__\r |
a550d468 | 1122 | __attribute__ ((noinline))\r |
4331b9f5 | 1123 | #endif\r |
58f89bb1 JJ |
1124 | VOID\r |
1125 | SecGdbScriptBreak (\r | |
a550d468 MK |
1126 | char *FileName,\r |
1127 | int FileNameLength,\r | |
1128 | long unsigned int LoadAddress,\r | |
1129 | int AddSymbolFlag\r | |
58f89bb1 JJ |
1130 | )\r |
1131 | {\r | |
1132 | return;\r | |
1133 | }\r | |
1134 | \r | |
58f89bb1 | 1135 | /**\r |
26cfe2c6 | 1136 | Adds the image to a gdb script so its symbols can be loaded.\r |
58f89bb1 JJ |
1137 | The AddFirmwareSymbolFile helper macro is used.\r |
1138 | \r | |
1139 | @param ImageContext The PE/COFF image context\r | |
1140 | \r | |
1141 | **/\r | |
1142 | VOID\r | |
1143 | GdbScriptAddImage (\r | |
a550d468 | 1144 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r |
58f89bb1 JJ |
1145 | )\r |
1146 | {\r | |
58f89bb1 JJ |
1147 | PrintLoadAddress (ImageContext);\r |
1148 | \r | |
a550d468 | 1149 | if ((ImageContext->PdbPointer != NULL) && !IsPdbFile (ImageContext->PdbPointer)) {\r |
58f89bb1 | 1150 | FILE *GdbTempFile;\r |
79e4f2a5 | 1151 | if (FeaturePcdGet (PcdEmulatorLazyLoadSymbols)) {\r |
58f89bb1 JJ |
1152 | GdbTempFile = fopen (gGdbWorkingFileName, "a");\r |
1153 | if (GdbTempFile != NULL) {\r | |
a550d468 | 1154 | long unsigned int SymbolsAddr = (long unsigned int)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders);\r |
58f89bb1 JJ |
1155 | mScriptSymbolChangesCount++;\r |
1156 | fprintf (\r | |
1157 | GdbTempFile,\r | |
1158 | "AddFirmwareSymbolFile 0x%x %s 0x%08lx\n",\r | |
1159 | mScriptSymbolChangesCount,\r | |
1160 | ImageContext->PdbPointer,\r | |
1161 | SymbolsAddr\r | |
1162 | );\r | |
1163 | fclose (GdbTempFile);\r | |
1164 | // This is for the lldb breakpoint only\r | |
1165 | SecGdbScriptBreak (ImageContext->PdbPointer, strlen (ImageContext->PdbPointer) + 1, (long unsigned int)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders), 1);\r | |
1166 | } else {\r | |
1167 | ASSERT (FALSE);\r | |
1168 | }\r | |
1169 | } else {\r | |
1170 | GdbTempFile = fopen (gGdbWorkingFileName, "w");\r | |
1171 | if (GdbTempFile != NULL) {\r | |
1172 | fprintf (\r | |
79e4f2a5 RN |
1173 | GdbTempFile,\r |
1174 | "add-symbol-file %s 0x%08lx\n",\r | |
1175 | ImageContext->PdbPointer,\r | |
58f89bb1 JJ |
1176 | (long unsigned int)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders)\r |
1177 | );\r | |
1178 | fclose (GdbTempFile);\r | |
79e4f2a5 | 1179 | \r |
58f89bb1 JJ |
1180 | //\r |
1181 | // Target for gdb breakpoint in a script that uses gGdbWorkingFileName to set a breakpoint.\r | |
1182 | // Hey what can you say scripting in gdb is not that great....\r | |
1183 | // Also used for the lldb breakpoint script. The lldb breakpoint script does\r | |
1184 | // not use the file, it uses the arguments.\r | |
1185 | //\r | |
1186 | SecGdbScriptBreak (ImageContext->PdbPointer, strlen (ImageContext->PdbPointer) + 1, (long unsigned int)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders), 1);\r | |
1187 | } else {\r | |
1188 | ASSERT (FALSE);\r | |
1189 | }\r | |
1190 | }\r | |
1191 | }\r | |
1192 | }\r | |
1193 | \r | |
58f89bb1 JJ |
1194 | VOID\r |
1195 | EFIAPI\r | |
1196 | SecPeCoffRelocateImageExtraAction (\r | |
a550d468 | 1197 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r |
58f89bb1 JJ |
1198 | )\r |
1199 | {\r | |
1200 | if (!DlLoadImage (ImageContext)) {\r | |
1201 | GdbScriptAddImage (ImageContext);\r | |
1202 | }\r | |
1203 | }\r | |
1204 | \r | |
58f89bb1 | 1205 | /**\r |
26cfe2c6 | 1206 | Adds the image to a gdb script so its symbols can be unloaded.\r |
58f89bb1 JJ |
1207 | The RemoveFirmwareSymbolFile helper macro is used.\r |
1208 | \r | |
1209 | @param ImageContext The PE/COFF image context\r | |
1210 | \r | |
1211 | **/\r | |
1212 | VOID\r | |
1213 | GdbScriptRemoveImage (\r | |
a550d468 | 1214 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r |
58f89bb1 JJ |
1215 | )\r |
1216 | {\r | |
1217 | FILE *GdbTempFile;\r | |
1218 | \r | |
1219 | //\r | |
1220 | // Need to skip .PDB files created from VC++\r | |
1221 | //\r | |
1222 | if (IsPdbFile (ImageContext->PdbPointer)) {\r | |
1223 | return;\r | |
1224 | }\r | |
1225 | \r | |
79e4f2a5 | 1226 | if (FeaturePcdGet (PcdEmulatorLazyLoadSymbols)) {\r |
58f89bb1 JJ |
1227 | //\r |
1228 | // Write the file we need for the gdb script\r | |
1229 | //\r | |
1230 | GdbTempFile = fopen (gGdbWorkingFileName, "a");\r | |
1231 | if (GdbTempFile != NULL) {\r | |
1232 | mScriptSymbolChangesCount++;\r | |
1233 | fprintf (\r | |
1234 | GdbTempFile,\r | |
1235 | "RemoveFirmwareSymbolFile 0x%x %s\n",\r | |
1236 | mScriptSymbolChangesCount,\r | |
1237 | ImageContext->PdbPointer\r | |
1238 | );\r | |
1239 | fclose (GdbTempFile);\r | |
1240 | SecGdbScriptBreak (ImageContext->PdbPointer, strlen (ImageContext->PdbPointer) + 1, 0, 0);\r | |
1241 | } else {\r | |
1242 | ASSERT (FALSE);\r | |
1243 | }\r | |
1244 | } else {\r | |
1245 | GdbTempFile = fopen (gGdbWorkingFileName, "w");\r | |
1246 | if (GdbTempFile != NULL) {\r | |
1247 | fprintf (GdbTempFile, "remove-symbol-file %s\n", ImageContext->PdbPointer);\r | |
1248 | fclose (GdbTempFile);\r | |
1249 | \r | |
1250 | //\r | |
1251 | // Target for gdb breakpoint in a script that uses gGdbWorkingFileName to set a breakpoint.\r | |
1252 | // Hey what can you say scripting in gdb is not that great....\r | |
1253 | //\r | |
1254 | SecGdbScriptBreak (ImageContext->PdbPointer, strlen (ImageContext->PdbPointer) + 1, 0, 0);\r | |
1255 | } else {\r | |
1256 | ASSERT (FALSE);\r | |
79e4f2a5 | 1257 | }\r |
58f89bb1 JJ |
1258 | }\r |
1259 | }\r | |
1260 | \r | |
58f89bb1 JJ |
1261 | VOID\r |
1262 | EFIAPI\r | |
1263 | SecPeCoffUnloadImageExtraAction (\r | |
a550d468 | 1264 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r |
58f89bb1 JJ |
1265 | )\r |
1266 | {\r | |
a550d468 | 1267 | VOID *Handle;\r |
58f89bb1 JJ |
1268 | \r |
1269 | //\r | |
1270 | // Check to see if the image symbols were loaded with gdb script, or dlopen\r | |
1271 | //\r | |
1272 | Handle = RemoveHandle (ImageContext);\r | |
1273 | if (Handle != NULL) {\r | |
a550d468 | 1274 | #ifndef __APPLE__\r |
58f89bb1 | 1275 | dlclose (Handle);\r |
a550d468 | 1276 | #endif\r |
58f89bb1 JJ |
1277 | return;\r |
1278 | }\r | |
1279 | \r | |
1280 | GdbScriptRemoveImage (ImageContext);\r | |
1281 | }\r |