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949f388f | 1 | /*++ @file |
2 | ||
3 | Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR> | |
4 | Portions copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR> | |
5 | This program and the accompanying materials | |
6 | are licensed and made available under the terms and conditions of the BSD License | |
7 | which accompanies this distribution. The full text of the license may be found at | |
8 | http://opensource.org/licenses/bsd-license.php | |
9 | ||
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
12 | ||
13 | **/ | |
14 | ||
15 | #include "SecMain.h" | |
16 | ||
17 | #ifdef __APPLE__ | |
18 | #define MAP_ANONYMOUS MAP_ANON | |
949f388f | 19 | #endif |
20 | ||
21 | ||
22 | // | |
23 | // Globals | |
24 | // | |
25 | ||
26 | EMU_THUNK_PPI mSecEmuThunkPpi = { | |
27 | GasketSecUnixPeiAutoScan, | |
28 | GasketSecUnixFdAddress, | |
65e3f333 | 29 | GasketSecEmuThunkAddress |
949f388f | 30 | }; |
31 | ||
0bc9421b | 32 | char *gGdbWorkingFileName = NULL; |
febb2276 | 33 | unsigned int mScriptSymbolChangesCount = 0; |
949f388f | 34 | |
35 | ||
36 | // | |
37 | // Default information about where the FD is located. | |
38 | // This array gets filled in with information from EFI_FIRMWARE_VOLUMES | |
39 | // EFI_FIRMWARE_VOLUMES is a host environment variable set by system.cmd. | |
40 | // The number of array elements is allocated base on parsing | |
41 | // EFI_FIRMWARE_VOLUMES and the memory is never freed. | |
42 | // | |
65e3f333 | 43 | UINTN gFdInfoCount = 0; |
44 | EMU_FD_INFO *gFdInfo; | |
949f388f | 45 | |
46 | // | |
47 | // Array that supports seperate memory rantes. | |
48 | // The memory ranges are set in system.cmd via the EFI_MEMORY_SIZE variable. | |
49 | // The number of array elements is allocated base on parsing | |
50 | // EFI_MEMORY_SIZE and the memory is never freed. | |
51 | // | |
65e3f333 | 52 | UINTN gSystemMemoryCount = 0; |
53 | EMU_SYSTEM_MEMORY *gSystemMemory; | |
949f388f | 54 | |
55 | ||
56 | ||
57 | UINTN mImageContextModHandleArraySize = 0; | |
58 | IMAGE_CONTEXT_TO_MOD_HANDLE *mImageContextModHandleArray = NULL; | |
59 | ||
946bfba2 | 60 | EFI_PEI_PPI_DESCRIPTOR *gPpiList; |
949f388f | 61 | |
949f388f | 62 | /*++ |
63 | ||
64 | Routine Description: | |
65 | Main entry point to SEC for Unix. This is a unix program | |
66 | ||
67 | Arguments: | |
68 | Argc - Number of command line arguments | |
69 | Argv - Array of command line argument strings | |
70 | Envp - Array of environmemt variable strings | |
71 | ||
72 | Returns: | |
73 | 0 - Normal exit | |
74 | 1 - Abnormal exit | |
75 | ||
76 | **/ | |
65e3f333 | 77 | int |
78 | main ( | |
79 | IN int Argc, | |
80 | IN char **Argv, | |
81 | IN char **Envp | |
82 | ) | |
949f388f | 83 | { |
84 | EFI_STATUS Status; | |
85 | EFI_PHYSICAL_ADDRESS InitialStackMemory; | |
86 | UINT64 InitialStackMemorySize; | |
87 | UINTN Index; | |
88 | UINTN Index1; | |
89 | UINTN Index2; | |
90 | UINTN PeiIndex; | |
91 | CHAR8 *FileName; | |
92 | BOOLEAN Done; | |
65e3f333 | 93 | EFI_PEI_FILE_HANDLE FileHandle; |
94 | VOID *SecFile; | |
949f388f | 95 | CHAR16 *MemorySizeStr; |
96 | CHAR16 *FirmwareVolumesStr; | |
97 | UINTN *StackPointer; | |
0bc9421b | 98 | FILE *GdbTempFile; |
949f388f | 99 | |
65e3f333 | 100 | setbuf (stdout, 0); |
101 | setbuf (stderr, 0); | |
949f388f | 102 | |
103 | MemorySizeStr = (CHAR16 *) PcdGetPtr (PcdEmuMemorySize); | |
104 | FirmwareVolumesStr = (CHAR16 *) PcdGetPtr (PcdEmuFirmwareVolume); | |
105 | ||
65e3f333 | 106 | printf ("\nEDK II UNIX Emulation Environment from edk2.sourceforge.net\n"); |
949f388f | 107 | |
108 | // | |
109 | // PPIs pased into PEI_CORE | |
110 | // | |
949f388f | 111 | AddThunkPpi (EFI_PEI_PPI_DESCRIPTOR_PPI, &gEmuThunkPpiGuid, &mSecEmuThunkPpi); |
949f388f | 112 | |
113 | SecInitThunkProtocol (); | |
114 | ||
115 | // | |
116 | // Emulator Bus Driver Thunks | |
117 | // | |
118 | AddThunkProtocol (&gX11ThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuGop), TRUE); | |
119 | AddThunkProtocol (&gPosixFileSystemThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuFileSystem), TRUE); | |
033d0e5f | 120 | AddThunkProtocol (&gBlockIoThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuVirtualDisk), TRUE); |
2b59fcd5 | 121 | AddThunkProtocol (&gSnpThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuNetworkInterface), TRUE); |
033d0e5f | 122 | |
949f388f | 123 | // |
124 | // Emulator other Thunks | |
125 | // | |
126 | AddThunkProtocol (&gPthreadThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuApCount), FALSE); | |
127 | ||
128 | // EmuSecLibConstructor (); | |
65e3f333 | 129 | |
65e3f333 | 130 | gPpiList = GetThunkPpiList (); |
131 | ||
949f388f | 132 | // |
0bc9421b | 133 | // If dlopen doesn't work, then we build a gdb script to allow the |
134 | // symbols to be loaded. | |
949f388f | 135 | // |
136 | Index = strlen (*Argv); | |
b8800fc5 | 137 | gGdbWorkingFileName = AllocatePool (Index + strlen(".gdb") + 1); |
949f388f | 138 | strcpy (gGdbWorkingFileName, *Argv); |
139 | strcat (gGdbWorkingFileName, ".gdb"); | |
949f388f | 140 | |
0bc9421b | 141 | // |
142 | // Empty out the gdb symbols script file. | |
143 | // | |
144 | GdbTempFile = fopen (gGdbWorkingFileName, "w"); | |
145 | if (GdbTempFile != NULL) { | |
146 | fclose (GdbTempFile); | |
147 | } | |
949f388f | 148 | |
149 | // | |
150 | // Allocate space for gSystemMemory Array | |
151 | // | |
152 | gSystemMemoryCount = CountSeperatorsInString (MemorySizeStr, '!') + 1; | |
b8800fc5 | 153 | gSystemMemory = AllocateZeroPool (gSystemMemoryCount * sizeof (EMU_SYSTEM_MEMORY)); |
949f388f | 154 | if (gSystemMemory == NULL) { |
155 | printf ("ERROR : Can not allocate memory for system. Exiting.\n"); | |
156 | exit (1); | |
157 | } | |
158 | // | |
159 | // Allocate space for gSystemMemory Array | |
160 | // | |
161 | gFdInfoCount = CountSeperatorsInString (FirmwareVolumesStr, '!') + 1; | |
b8800fc5 | 162 | gFdInfo = AllocateZeroPool (gFdInfoCount * sizeof (EMU_FD_INFO)); |
949f388f | 163 | if (gFdInfo == NULL) { |
164 | printf ("ERROR : Can not allocate memory for fd info. Exiting.\n"); | |
165 | exit (1); | |
166 | } | |
167 | ||
168 | printf (" BootMode 0x%02x\n", (unsigned int)PcdGet32 (PcdEmuBootMode)); | |
169 | ||
170 | // | |
65e3f333 | 171 | // Open up a 128K file to emulate temp memory for SEC. |
949f388f | 172 | // on a real platform this would be SRAM, or using the cache as RAM. |
173 | // Set InitialStackMemory to zero so UnixOpenFile will allocate a new mapping | |
174 | // | |
175 | InitialStackMemorySize = STACK_SIZE; | |
65e3f333 | 176 | InitialStackMemory = (UINTN)MapMemory ( |
177 | 0, (UINT32) InitialStackMemorySize, | |
178 | PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS | MAP_PRIVATE | |
179 | ); | |
949f388f | 180 | if (InitialStackMemory == 0) { |
181 | printf ("ERROR : Can not open SecStack Exiting\n"); | |
182 | exit (1); | |
183 | } | |
184 | ||
65e3f333 | 185 | printf (" OS Emulator passing in %u KB of temp RAM at 0x%08lx to SEC\n", |
949f388f | 186 | (unsigned int)(InitialStackMemorySize / 1024), |
65e3f333 | 187 | (unsigned long)InitialStackMemory |
188 | ); | |
949f388f | 189 | |
190 | for (StackPointer = (UINTN*) (UINTN) InitialStackMemory; | |
191 | StackPointer < (UINTN*)(UINTN)((UINTN) InitialStackMemory + (UINT64) InitialStackMemorySize); | |
192 | StackPointer ++) { | |
193 | *StackPointer = 0x5AA55AA5; | |
194 | } | |
195 | ||
196 | // | |
197 | // Open All the firmware volumes and remember the info in the gFdInfo global | |
198 | // | |
b8800fc5 | 199 | FileName = (CHAR8 *) AllocatePool (StrLen (FirmwareVolumesStr) + 1); |
949f388f | 200 | if (FileName == NULL) { |
201 | printf ("ERROR : Can not allocate memory for firmware volume string\n"); | |
202 | exit (1); | |
203 | } | |
204 | ||
205 | Index2 = 0; | |
65e3f333 | 206 | for (Done = FALSE, Index = 0, PeiIndex = 0, SecFile = NULL; |
949f388f | 207 | FirmwareVolumesStr[Index2] != 0; |
208 | Index++) { | |
65e3f333 | 209 | for (Index1 = 0; (FirmwareVolumesStr[Index2] != '!') && (FirmwareVolumesStr[Index2] != 0); Index2++) { |
949f388f | 210 | FileName[Index1++] = FirmwareVolumesStr[Index2]; |
65e3f333 | 211 | } |
212 | if (FirmwareVolumesStr[Index2] == '!') { | |
949f388f | 213 | Index2++; |
65e3f333 | 214 | } |
949f388f | 215 | FileName[Index1] = '\0'; |
216 | ||
8052c4a2 | 217 | if (Index == 0) { |
218 | // Map FV Recovery Read Only and other areas Read/Write | |
219 | Status = MapFd0 ( | |
220 | FileName, | |
221 | &gFdInfo[0].Address, | |
222 | &gFdInfo[0].Size | |
223 | ); | |
224 | } else { | |
225 | // | |
226 | // Open the FD and remmeber where it got mapped into our processes address space | |
227 | // Maps Read Only | |
228 | // | |
229 | Status = MapFile ( | |
230 | FileName, | |
231 | &gFdInfo[Index].Address, | |
232 | &gFdInfo[Index].Size | |
233 | ); | |
234 | } | |
949f388f | 235 | if (EFI_ERROR (Status)) { |
236 | printf ("ERROR : Can not open Firmware Device File %s (%x). Exiting.\n", FileName, (unsigned int)Status); | |
237 | exit (1); | |
238 | } | |
239 | ||
65e3f333 | 240 | printf (" FD loaded from %s at 0x%08lx",FileName, (unsigned long)gFdInfo[Index].Address); |
949f388f | 241 | |
65e3f333 | 242 | if (SecFile == NULL) { |
949f388f | 243 | // |
65e3f333 | 244 | // Assume the beginning of the FD is an FV and look for the SEC Core. |
949f388f | 245 | // Load the first one we find. |
246 | // | |
65e3f333 | 247 | FileHandle = NULL; |
248 | Status = PeiServicesFfsFindNextFile ( | |
249 | EFI_FV_FILETYPE_SECURITY_CORE, | |
250 | (EFI_PEI_FV_HANDLE)(UINTN)gFdInfo[Index].Address, | |
251 | &FileHandle | |
252 | ); | |
949f388f | 253 | if (!EFI_ERROR (Status)) { |
65e3f333 | 254 | Status = PeiServicesFfsFindSectionData (EFI_SECTION_PE32, FileHandle, &SecFile); |
255 | if (!EFI_ERROR (Status)) { | |
256 | PeiIndex = Index; | |
257 | printf (" contains SEC Core"); | |
258 | } | |
949f388f | 259 | } |
260 | } | |
261 | ||
262 | printf ("\n"); | |
263 | } | |
264 | // | |
265 | // Calculate memory regions and store the information in the gSystemMemory | |
266 | // global for later use. The autosizing code will use this data to | |
267 | // map this memory into the SEC process memory space. | |
268 | // | |
269 | Index1 = 0; | |
270 | Index = 0; | |
271 | while (1) { | |
272 | UINTN val = 0; | |
273 | // | |
274 | // Save the size of the memory. | |
275 | // | |
276 | while (MemorySizeStr[Index1] >= '0' && MemorySizeStr[Index1] <= '9') { | |
277 | val = val * 10 + MemorySizeStr[Index1] - '0'; | |
278 | Index1++; | |
279 | } | |
280 | gSystemMemory[Index++].Size = val * 0x100000; | |
65e3f333 | 281 | if (MemorySizeStr[Index1] == 0) { |
949f388f | 282 | break; |
65e3f333 | 283 | } |
949f388f | 284 | Index1++; |
285 | } | |
286 | ||
287 | printf ("\n"); | |
288 | ||
289 | // | |
65e3f333 | 290 | // Hand off to SEC |
949f388f | 291 | // |
65e3f333 | 292 | SecLoadFromCore ((UINTN) InitialStackMemory, (UINTN) InitialStackMemorySize, (UINTN) gFdInfo[0].Address, SecFile); |
949f388f | 293 | |
294 | // | |
65e3f333 | 295 | // If we get here, then the SEC Core returned. This is an error as SEC should |
296 | // always hand off to PEI Core and then on to DXE Core. | |
949f388f | 297 | // |
65e3f333 | 298 | printf ("ERROR : SEC returned\n"); |
949f388f | 299 | exit (1); |
300 | } | |
301 | ||
65e3f333 | 302 | |
949f388f | 303 | EFI_PHYSICAL_ADDRESS * |
304 | MapMemory ( | |
bfa084fa | 305 | IN INTN fd, |
306 | IN UINT64 length, | |
307 | IN INTN prot, | |
308 | IN INTN flags | |
309 | ) | |
949f388f | 310 | { |
311 | STATIC UINTN base = 0x40000000; | |
312 | CONST UINTN align = (1 << 24); | |
313 | VOID *res = NULL; | |
314 | BOOLEAN isAligned = 0; | |
315 | ||
316 | // | |
317 | // Try to get an aligned block somewhere in the address space of this | |
318 | // process. | |
319 | // | |
320 | while((!isAligned) && (base != 0)) { | |
321 | res = mmap ((void *)base, length, prot, flags, fd, 0); | |
322 | if (res == MAP_FAILED) { | |
323 | return NULL; | |
324 | } | |
325 | if ((((UINTN)res) & ~(align-1)) == (UINTN)res) { | |
326 | isAligned=1; | |
65e3f333 | 327 | } else { |
949f388f | 328 | munmap(res, length); |
329 | base += align; | |
330 | } | |
331 | } | |
332 | return res; | |
333 | } | |
334 | ||
65e3f333 | 335 | |
949f388f | 336 | /*++ |
337 | ||
338 | Routine Description: | |
339 | Opens and memory maps a file using Unix services. If BaseAddress is non zero | |
340 | the process will try and allocate the memory starting at BaseAddress. | |
341 | ||
342 | Arguments: | |
343 | FileName - The name of the file to open and map | |
344 | MapSize - The amount of the file to map in bytes | |
345 | CreationDisposition - The flags to pass to CreateFile(). Use to create new files for | |
346 | memory emulation, and exiting files for firmware volume emulation | |
347 | BaseAddress - The base address of the mapped file in the user address space. | |
348 | If passed in as NULL the a new memory region is used. | |
349 | If passed in as non NULL the request memory region is used for | |
350 | the mapping of the file into the process space. | |
351 | Length - The size of the mapped region in bytes | |
352 | ||
353 | Returns: | |
354 | EFI_SUCCESS - The file was opened and mapped. | |
355 | EFI_NOT_FOUND - FileName was not found in the current directory | |
356 | EFI_DEVICE_ERROR - An error occured attempting to map the opened file | |
357 | ||
358 | **/ | |
65e3f333 | 359 | EFI_STATUS |
360 | MapFile ( | |
361 | IN CHAR8 *FileName, | |
362 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress, | |
363 | OUT UINT64 *Length | |
364 | ) | |
949f388f | 365 | { |
8052c4a2 | 366 | int fd; |
949f388f | 367 | VOID *res; |
368 | UINTN FileSize; | |
369 | ||
7e284acb | 370 | fd = open (FileName, O_RDWR); |
65e3f333 | 371 | if (fd < 0) { |
949f388f | 372 | return EFI_NOT_FOUND; |
65e3f333 | 373 | } |
949f388f | 374 | FileSize = lseek (fd, 0, SEEK_END); |
375 | ||
376 | ||
946bfba2 | 377 | res = MapMemory (fd, FileSize, PROT_READ | PROT_EXEC, MAP_PRIVATE); |
949f388f | 378 | |
379 | close (fd); | |
380 | ||
7e284acb | 381 | if (res == NULL) { |
382 | perror ("MapFile() Failed"); | |
949f388f | 383 | return EFI_DEVICE_ERROR; |
65e3f333 | 384 | } |
8052c4a2 | 385 | |
949f388f | 386 | *Length = (UINT64) FileSize; |
387 | *BaseAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) res; | |
388 | ||
389 | return EFI_SUCCESS; | |
390 | } | |
391 | ||
8052c4a2 | 392 | EFI_STATUS |
393 | MapFd0 ( | |
394 | IN CHAR8 *FileName, | |
395 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress, | |
396 | OUT UINT64 *Length | |
397 | ) | |
398 | { | |
399 | int fd; | |
946bfba2 | 400 | void *res, *res2, *res3; |
8052c4a2 | 401 | UINTN FileSize; |
402 | UINTN FvSize; | |
946bfba2 | 403 | void *EmuMagicPage; |
8052c4a2 | 404 | |
405 | fd = open (FileName, O_RDWR); | |
406 | if (fd < 0) { | |
407 | return EFI_NOT_FOUND; | |
408 | } | |
409 | FileSize = lseek (fd, 0, SEEK_END); | |
410 | ||
411 | FvSize = FixedPcdGet64 (PcdEmuFlashFvRecoverySize); | |
412 | ||
413 | // Assume start of FD is Recovery FV, and make it write protected | |
414 | res = mmap ( | |
415 | (void *)(UINTN)FixedPcdGet64 (PcdEmuFlashFvRecoveryBase), | |
416 | FvSize, | |
946bfba2 | 417 | PROT_READ | PROT_EXEC, |
8052c4a2 | 418 | MAP_PRIVATE, |
419 | fd, | |
420 | 0 | |
421 | ); | |
422 | if (res == MAP_FAILED) { | |
946bfba2 | 423 | perror ("MapFd0() Failed res ="); |
8052c4a2 | 424 | close (fd); |
425 | return EFI_DEVICE_ERROR; | |
946bfba2 | 426 | } else if (res != (void *)(UINTN)FixedPcdGet64 (PcdEmuFlashFvRecoveryBase)) { |
427 | // We could not load at the build address, so we need to allow writes | |
428 | munmap (res, FvSize); | |
429 | res = mmap ( | |
430 | (void *)(UINTN)FixedPcdGet64 (PcdEmuFlashFvRecoveryBase), | |
431 | FvSize, | |
432 | PROT_READ | PROT_WRITE | PROT_EXEC, | |
433 | MAP_PRIVATE, | |
434 | fd, | |
435 | 0 | |
436 | ); | |
437 | if (res == MAP_FAILED) { | |
438 | perror ("MapFd0() Failed res ="); | |
439 | close (fd); | |
440 | return EFI_DEVICE_ERROR; | |
441 | } | |
8052c4a2 | 442 | } |
443 | ||
444 | // Map the rest of the FD as read/write | |
445 | res2 = mmap ( | |
112a857f | 446 | (void *)(UINTN)(FixedPcdGet64 (PcdEmuFlashFvRecoveryBase) + FvSize), |
8052c4a2 | 447 | FileSize - FvSize, |
448 | PROT_READ | PROT_WRITE | PROT_EXEC, | |
449 | MAP_SHARED, | |
450 | fd, | |
451 | FvSize | |
452 | ); | |
453 | close (fd); | |
454 | if (res2 == MAP_FAILED) { | |
946bfba2 | 455 | perror ("MapFd0() Failed res2 ="); |
8052c4a2 | 456 | return EFI_DEVICE_ERROR; |
457 | } | |
458 | ||
946bfba2 | 459 | // |
460 | // If enabled use the magic page to communicate between modules | |
461 | // This replaces the PI PeiServicesTable pointer mechanism that | |
462 | // deos not work in the emulator. It also allows the removal of | |
463 | // writable globals from SEC, PEI_CORE (libraries), PEIMs | |
464 | // | |
465 | EmuMagicPage = (void *)(UINTN)FixedPcdGet64 (PcdPeiServicesTablePage); | |
466 | if (EmuMagicPage != NULL) { | |
467 | res3 = mmap ( | |
468 | (void *)EmuMagicPage, | |
469 | 4096, | |
470 | PROT_READ | PROT_WRITE, | |
471 | MAP_PRIVATE | MAP_ANONYMOUS, | |
472 | 0, | |
473 | 0 | |
474 | ); | |
475 | if (res3 != EmuMagicPage) { | |
476 | printf ("MapFd0(): Could not allocate PeiServicesTablePage @ %lx\n", (long unsigned int)EmuMagicPage); | |
477 | return EFI_DEVICE_ERROR; | |
478 | } | |
479 | } | |
480 | ||
8052c4a2 | 481 | *Length = (UINT64) FileSize; |
482 | *BaseAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) res; | |
483 | ||
484 | return EFI_SUCCESS; | |
485 | } | |
949f388f | 486 | |
487 | ||
949f388f | 488 | /*++ |
489 | ||
490 | Routine Description: | |
65e3f333 | 491 | This is the service to load the SEC Core from the Firmware Volume |
949f388f | 492 | |
493 | Arguments: | |
65e3f333 | 494 | LargestRegion - Memory to use for SEC. |
949f388f | 495 | LargestRegionSize - Size of Memory to use for PEI |
496 | BootFirmwareVolumeBase - Start of the Boot FV | |
65e3f333 | 497 | PeiCorePe32File - SEC PE32 |
949f388f | 498 | |
499 | Returns: | |
500 | Success means control is transfered and thus we should never return | |
501 | ||
502 | **/ | |
65e3f333 | 503 | VOID |
504 | SecLoadFromCore ( | |
505 | IN UINTN LargestRegion, | |
506 | IN UINTN LargestRegionSize, | |
507 | IN UINTN BootFirmwareVolumeBase, | |
508 | IN VOID *PeiCorePe32File | |
509 | ) | |
949f388f | 510 | { |
511 | EFI_STATUS Status; | |
512 | EFI_PHYSICAL_ADDRESS TopOfMemory; | |
513 | VOID *TopOfStack; | |
949f388f | 514 | EFI_PHYSICAL_ADDRESS PeiCoreEntryPoint; |
949f388f | 515 | EFI_SEC_PEI_HAND_OFF *SecCoreData; |
516 | UINTN PeiStackSize; | |
517 | ||
518 | // | |
519 | // Compute Top Of Memory for Stack and PEI Core Allocations | |
520 | // | |
521 | TopOfMemory = LargestRegion + LargestRegionSize; | |
522 | PeiStackSize = (UINTN)RShiftU64((UINT64)STACK_SIZE,1); | |
523 | ||
524 | // | |
525 | // |-----------| <---- TemporaryRamBase + TemporaryRamSize | |
526 | // | Heap | | |
527 | // | | | |
528 | // |-----------| <---- StackBase / PeiTemporaryMemoryBase | |
529 | // | | | |
530 | // | Stack | | |
531 | // |-----------| <---- TemporaryRamBase | |
532 | // | |
533 | TopOfStack = (VOID *)(LargestRegion + PeiStackSize); | |
534 | TopOfMemory = LargestRegion + PeiStackSize; | |
535 | ||
536 | // | |
537 | // Reservet space for storing PeiCore's parament in stack. | |
538 | // | |
539 | TopOfStack = (VOID *)((UINTN)TopOfStack - sizeof (EFI_SEC_PEI_HAND_OFF) - CPU_STACK_ALIGNMENT); | |
540 | TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT); | |
541 | ||
542 | ||
543 | // | |
544 | // Bind this information into the SEC hand-off state | |
545 | // | |
65e3f333 | 546 | SecCoreData = (EFI_SEC_PEI_HAND_OFF*)(UINTN) TopOfStack; |
949f388f | 547 | SecCoreData->DataSize = sizeof(EFI_SEC_PEI_HAND_OFF); |
548 | SecCoreData->BootFirmwareVolumeBase = (VOID*)BootFirmwareVolumeBase; | |
549 | SecCoreData->BootFirmwareVolumeSize = PcdGet32 (PcdEmuFirmwareFdSize); | |
550 | SecCoreData->TemporaryRamBase = (VOID*)(UINTN)LargestRegion; | |
551 | SecCoreData->TemporaryRamSize = STACK_SIZE; | |
552 | SecCoreData->StackBase = SecCoreData->TemporaryRamBase; | |
553 | SecCoreData->StackSize = PeiStackSize; | |
554 | SecCoreData->PeiTemporaryRamBase = (VOID*) ((UINTN) SecCoreData->TemporaryRamBase + PeiStackSize); | |
555 | SecCoreData->PeiTemporaryRamSize = STACK_SIZE - PeiStackSize; | |
556 | ||
557 | // | |
65e3f333 | 558 | // Find the SEC Core Entry Point |
949f388f | 559 | // |
65e3f333 | 560 | Status = SecPeCoffGetEntryPoint (PeiCorePe32File, (VOID **)&PeiCoreEntryPoint); |
949f388f | 561 | if (EFI_ERROR (Status)) { |
562 | return ; | |
563 | } | |
564 | ||
565 | // | |
65e3f333 | 566 | // Transfer control to the SEC Core |
949f388f | 567 | // |
568 | PeiSwitchStacks ( | |
569 | (SWITCH_STACK_ENTRY_POINT) (UINTN) PeiCoreEntryPoint, | |
570 | SecCoreData, | |
65e3f333 | 571 | (VOID *)gPpiList, |
949f388f | 572 | TopOfStack |
573 | ); | |
574 | // | |
65e3f333 | 575 | // If we get here, then the SEC Core returned. This is an error |
949f388f | 576 | // |
577 | return ; | |
578 | } | |
579 | ||
65e3f333 | 580 | |
949f388f | 581 | /*++ |
582 | ||
583 | Routine Description: | |
584 | This service is called from Index == 0 until it returns EFI_UNSUPPORTED. | |
585 | It allows discontiguous memory regions to be supported by the emulator. | |
586 | It uses gSystemMemory[] and gSystemMemoryCount that were created by | |
587 | parsing the host environment variable EFI_MEMORY_SIZE. | |
588 | The size comes from the varaible and the address comes from the call to | |
589 | UnixOpenFile. | |
590 | ||
591 | Arguments: | |
592 | Index - Which memory region to use | |
593 | MemoryBase - Return Base address of memory region | |
594 | MemorySize - Return size in bytes of the memory region | |
595 | ||
596 | Returns: | |
597 | EFI_SUCCESS - If memory region was mapped | |
598 | EFI_UNSUPPORTED - If Index is not supported | |
599 | ||
600 | **/ | |
65e3f333 | 601 | EFI_STATUS |
65e3f333 | 602 | SecUnixPeiAutoScan ( |
603 | IN UINTN Index, | |
604 | OUT EFI_PHYSICAL_ADDRESS *MemoryBase, | |
605 | OUT UINT64 *MemorySize | |
606 | ) | |
949f388f | 607 | { |
608 | void *res; | |
609 | ||
610 | if (Index >= gSystemMemoryCount) { | |
611 | return EFI_UNSUPPORTED; | |
612 | } | |
613 | ||
614 | *MemoryBase = 0; | |
65e3f333 | 615 | res = MapMemory ( |
616 | 0, gSystemMemory[Index].Size, | |
617 | PROT_READ | PROT_WRITE | PROT_EXEC, | |
618 | MAP_PRIVATE | MAP_ANONYMOUS | |
619 | ); | |
620 | if (res == MAP_FAILED) { | |
949f388f | 621 | return EFI_DEVICE_ERROR; |
65e3f333 | 622 | } |
949f388f | 623 | *MemorySize = gSystemMemory[Index].Size; |
624 | *MemoryBase = (UINTN)res; | |
625 | gSystemMemory[Index].Memory = *MemoryBase; | |
626 | ||
627 | return EFI_SUCCESS; | |
628 | } | |
629 | ||
65e3f333 | 630 | |
1d7ac5a6 | 631 | /*++ |
632 | ||
633 | Routine Description: | |
634 | Check to see if an address range is in the EFI GCD memory map. | |
635 | ||
636 | This is all of GCD for system memory passed to DXE Core. FV | |
637 | mapping and other device mapped into system memory are not | |
638 | inlcuded in the check. | |
639 | ||
640 | Arguments: | |
641 | Index - Which memory region to use | |
642 | MemoryBase - Return Base address of memory region | |
643 | MemorySize - Return size in bytes of the memory region | |
644 | ||
645 | Returns: | |
646 | TRUE - Address is in the EFI GCD memory map | |
647 | FALSE - Address is NOT in memory map | |
648 | ||
649 | **/ | |
650 | BOOLEAN | |
651 | EfiSystemMemoryRange ( | |
652 | IN VOID *MemoryAddress | |
653 | ) | |
654 | { | |
655 | UINTN Index; | |
656 | EFI_PHYSICAL_ADDRESS MemoryBase; | |
657 | ||
658 | MemoryBase = (EFI_PHYSICAL_ADDRESS)(UINTN)MemoryAddress; | |
659 | for (Index = 0; Index < gSystemMemoryCount; Index++) { | |
660 | if ((MemoryBase >= gSystemMemory[Index].Memory) && | |
661 | (MemoryBase < (gSystemMemory[Index].Memory + gSystemMemory[Index].Size)) ) { | |
662 | return TRUE; | |
663 | } | |
664 | } | |
665 | ||
666 | return FALSE; | |
667 | } | |
668 | ||
669 | ||
949f388f | 670 | /*++ |
671 | ||
672 | Routine Description: | |
673 | Since the SEC is the only Unix program in stack it must export | |
674 | an interface to do POSIX calls. gUnix is initailized in UnixThunk.c. | |
675 | ||
676 | Arguments: | |
677 | InterfaceSize - sizeof (EFI_WIN_NT_THUNK_PROTOCOL); | |
678 | InterfaceBase - Address of the gUnix global | |
679 | ||
680 | Returns: | |
681 | EFI_SUCCESS - Data returned | |
682 | ||
683 | **/ | |
65e3f333 | 684 | VOID * |
65e3f333 | 685 | SecEmuThunkAddress ( |
686 | VOID | |
687 | ) | |
949f388f | 688 | { |
689 | return &gEmuThunkProtocol; | |
690 | } | |
691 | ||
692 | ||
949f388f | 693 | |
694 | RETURN_STATUS | |
695 | EFIAPI | |
696 | SecPeCoffGetEntryPoint ( | |
697 | IN VOID *Pe32Data, | |
698 | IN OUT VOID **EntryPoint | |
699 | ) | |
700 | { | |
65e3f333 | 701 | EFI_STATUS Status; |
702 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext; | |
0ede3853 | 703 | |
704 | ZeroMem (&ImageContext, sizeof (ImageContext)); | |
705 | ImageContext.Handle = Pe32Data; | |
706 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE) SecImageRead; | |
707 | ||
708 | Status = PeCoffLoaderGetImageInfo (&ImageContext); | |
709 | if (EFI_ERROR (Status)) { | |
710 | return Status; | |
711 | } | |
712 | ||
946bfba2 | 713 | if (ImageContext.ImageAddress != (UINTN)Pe32Data) { |
e7523e06 | 714 | // |
715 | // Relocate image to match the address where it resides | |
716 | // | |
717 | ImageContext.ImageAddress = (UINTN)Pe32Data; | |
718 | Status = PeCoffLoaderLoadImage (&ImageContext); | |
719 | if (EFI_ERROR (Status)) { | |
720 | return Status; | |
721 | } | |
949f388f | 722 | |
e7523e06 | 723 | Status = PeCoffLoaderRelocateImage (&ImageContext); |
724 | if (EFI_ERROR (Status)) { | |
725 | return Status; | |
726 | } | |
946bfba2 | 727 | } else { |
728 | // | |
729 | // Or just return image entry point | |
730 | // | |
731 | ImageContext.PdbPointer = PeCoffLoaderGetPdbPointer (Pe32Data); | |
732 | Status = PeCoffLoaderGetEntryPoint (Pe32Data, EntryPoint); | |
733 | if (EFI_ERROR (Status)) { | |
734 | return Status; | |
735 | } | |
736 | ImageContext.EntryPoint = (UINTN)*EntryPoint; | |
737 | } | |
949f388f | 738 | |
65e3f333 | 739 | // On Unix a dlopen is done that will change the entry point |
740 | SecPeCoffRelocateImageExtraAction (&ImageContext); | |
741 | *EntryPoint = (VOID *)(UINTN)ImageContext.EntryPoint; | |
742 | ||
949f388f | 743 | return Status; |
744 | } | |
745 | ||
746 | ||
747 | ||
949f388f | 748 | /*++ |
749 | ||
750 | Routine Description: | |
751 | Return the FD Size and base address. Since the FD is loaded from a | |
752 | file into host memory only the SEC will know it's address. | |
753 | ||
754 | Arguments: | |
755 | Index - Which FD, starts at zero. | |
756 | FdSize - Size of the FD in bytes | |
757 | FdBase - Start address of the FD. Assume it points to an FV Header | |
758 | FixUp - Difference between actual FD address and build address | |
759 | ||
760 | Returns: | |
761 | EFI_SUCCESS - Return the Base address and size of the FV | |
762 | EFI_UNSUPPORTED - Index does nto map to an FD in the system | |
763 | ||
764 | **/ | |
65e3f333 | 765 | EFI_STATUS |
65e3f333 | 766 | SecUnixFdAddress ( |
767 | IN UINTN Index, | |
768 | IN OUT EFI_PHYSICAL_ADDRESS *FdBase, | |
769 | IN OUT UINT64 *FdSize, | |
770 | IN OUT EFI_PHYSICAL_ADDRESS *FixUp | |
771 | ) | |
949f388f | 772 | { |
773 | if (Index >= gFdInfoCount) { | |
774 | return EFI_UNSUPPORTED; | |
775 | } | |
776 | ||
777 | *FdBase = gFdInfo[Index].Address; | |
778 | *FdSize = gFdInfo[Index].Size; | |
779 | *FixUp = 0; | |
780 | ||
781 | if (*FdBase == 0 && *FdSize == 0) { | |
782 | return EFI_UNSUPPORTED; | |
783 | } | |
784 | ||
785 | if (Index == 0) { | |
786 | // | |
787 | // FD 0 has XIP code and well known PCD values | |
788 | // If the memory buffer could not be allocated at the FD build address | |
789 | // the Fixup is the difference. | |
790 | // | |
791 | *FixUp = *FdBase - PcdGet64 (PcdEmuFdBaseAddress); | |
792 | } | |
793 | ||
794 | return EFI_SUCCESS; | |
795 | } | |
796 | ||
949f388f | 797 | |
949f388f | 798 | /*++ |
799 | ||
800 | Routine Description: | |
801 | Count the number of seperators in String | |
802 | ||
803 | Arguments: | |
804 | String - String to process | |
805 | Seperator - Item to count | |
806 | ||
807 | Returns: | |
808 | Number of Seperator in String | |
809 | ||
810 | **/ | |
65e3f333 | 811 | UINTN |
812 | CountSeperatorsInString ( | |
813 | IN const CHAR16 *String, | |
814 | IN CHAR16 Seperator | |
815 | ) | |
949f388f | 816 | { |
817 | UINTN Count; | |
818 | ||
819 | for (Count = 0; *String != '\0'; String++) { | |
820 | if (*String == Seperator) { | |
821 | Count++; | |
822 | } | |
823 | } | |
824 | ||
825 | return Count; | |
826 | } | |
827 | ||
828 | ||
0ede3853 | 829 | EFI_STATUS |
7af94c1d | 830 | EFIAPI |
0ede3853 | 831 | SecImageRead ( |
832 | IN VOID *FileHandle, | |
833 | IN UINTN FileOffset, | |
834 | IN OUT UINTN *ReadSize, | |
835 | OUT VOID *Buffer | |
836 | ) | |
837 | /*++ | |
838 | ||
839 | Routine Description: | |
840 | Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file | |
841 | ||
842 | Arguments: | |
843 | FileHandle - The handle to the PE/COFF file | |
844 | FileOffset - The offset, in bytes, into the file to read | |
845 | ReadSize - The number of bytes to read from the file starting at FileOffset | |
846 | Buffer - A pointer to the buffer to read the data into. | |
847 | ||
848 | Returns: | |
849 | EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset | |
850 | ||
851 | **/ | |
852 | { | |
853 | CHAR8 *Destination8; | |
854 | CHAR8 *Source8; | |
855 | UINTN Length; | |
856 | ||
857 | Destination8 = Buffer; | |
858 | Source8 = (CHAR8 *) ((UINTN) FileHandle + FileOffset); | |
859 | Length = *ReadSize; | |
860 | while (Length--) { | |
861 | *(Destination8++) = *(Source8++); | |
862 | } | |
863 | ||
864 | return EFI_SUCCESS; | |
865 | } | |
866 | ||
867 | ||
949f388f | 868 | /*++ |
869 | ||
870 | Routine Description: | |
871 | Store the ModHandle in an array indexed by the Pdb File name. | |
872 | The ModHandle is needed to unload the image. | |
873 | ||
874 | Arguments: | |
875 | ImageContext - Input data returned from PE Laoder Library. Used to find the | |
876 | .PDB file name of the PE Image. | |
877 | ModHandle - Returned from LoadLibraryEx() and stored for call to | |
878 | FreeLibrary(). | |
879 | ||
880 | Returns: | |
881 | EFI_SUCCESS - ModHandle was stored. | |
882 | ||
883 | **/ | |
65e3f333 | 884 | EFI_STATUS |
885 | AddHandle ( | |
886 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext, | |
887 | IN VOID *ModHandle | |
888 | ) | |
949f388f | 889 | { |
890 | UINTN Index; | |
891 | IMAGE_CONTEXT_TO_MOD_HANDLE *Array; | |
892 | UINTN PreviousSize; | |
893 | ||
894 | ||
895 | Array = mImageContextModHandleArray; | |
896 | for (Index = 0; Index < mImageContextModHandleArraySize; Index++, Array++) { | |
897 | if (Array->ImageContext == NULL) { | |
898 | // | |
899 | // Make a copy of the stirng and store the ModHandle | |
900 | // | |
901 | Array->ImageContext = ImageContext; | |
902 | Array->ModHandle = ModHandle; | |
903 | return EFI_SUCCESS; | |
904 | } | |
905 | } | |
906 | ||
907 | // | |
908 | // No free space in mImageContextModHandleArray so grow it by | |
909 | // IMAGE_CONTEXT_TO_MOD_HANDLE entires. realloc will | |
910 | // copy the old values to the new locaiton. But it does | |
911 | // not zero the new memory area. | |
912 | // | |
913 | PreviousSize = mImageContextModHandleArraySize * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE); | |
914 | mImageContextModHandleArraySize += MAX_IMAGE_CONTEXT_TO_MOD_HANDLE_ARRAY_SIZE; | |
915 | ||
b8800fc5 | 916 | mImageContextModHandleArray = ReallocatePool ( |
917 | (mImageContextModHandleArraySize - 1) * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE), | |
918 | mImageContextModHandleArraySize * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE), | |
919 | mImageContextModHandleArray | |
920 | ); | |
949f388f | 921 | if (mImageContextModHandleArray == NULL) { |
922 | ASSERT (FALSE); | |
923 | return EFI_OUT_OF_RESOURCES; | |
924 | } | |
925 | ||
926 | memset (mImageContextModHandleArray + PreviousSize, 0, MAX_IMAGE_CONTEXT_TO_MOD_HANDLE_ARRAY_SIZE * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE)); | |
927 | ||
928 | return AddHandle (ImageContext, ModHandle); | |
929 | } | |
930 | ||
931 | ||
949f388f | 932 | /*++ |
933 | ||
934 | Routine Description: | |
935 | Return the ModHandle and delete the entry in the array. | |
936 | ||
937 | Arguments: | |
938 | ImageContext - Input data returned from PE Laoder Library. Used to find the | |
939 | .PDB file name of the PE Image. | |
940 | ||
941 | Returns: | |
942 | ModHandle - ModHandle assoicated with ImageContext is returned | |
943 | NULL - No ModHandle associated with ImageContext | |
944 | ||
945 | **/ | |
65e3f333 | 946 | VOID * |
947 | RemoveHandle ( | |
948 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext | |
949 | ) | |
949f388f | 950 | { |
951 | UINTN Index; | |
952 | IMAGE_CONTEXT_TO_MOD_HANDLE *Array; | |
953 | ||
954 | if (ImageContext->PdbPointer == NULL) { | |
955 | // | |
956 | // If no PDB pointer there is no ModHandle so return NULL | |
957 | // | |
958 | return NULL; | |
959 | } | |
960 | ||
961 | Array = mImageContextModHandleArray; | |
962 | for (Index = 0; Index < mImageContextModHandleArraySize; Index++, Array++) { | |
963 | if (Array->ImageContext == ImageContext) { | |
964 | // | |
965 | // If you find a match return it and delete the entry | |
966 | // | |
967 | Array->ImageContext = NULL; | |
968 | return Array->ModHandle; | |
969 | } | |
970 | } | |
971 | ||
972 | return NULL; | |
973 | } | |
974 | ||
975 | ||
976 | ||
977 | // | |
978 | // Target for gdb breakpoint in a script that uses gGdbWorkingFileName to source a | |
979 | // add-symbol-file command. Hey what can you say scripting in gdb is not that great.... | |
980 | // | |
981 | // Put .gdbinit in the CWD where you do gdb SecMain.dll for source level debug | |
982 | // | |
983 | // cat .gdbinit | |
984 | // b SecGdbScriptBreak | |
985 | // command | |
986 | // silent | |
65e3f333 | 987 | // source SecMain.gdb |
949f388f | 988 | // c |
989 | // end | |
990 | // | |
991 | VOID | |
992 | SecGdbScriptBreak ( | |
993 | VOID | |
994 | ) | |
995 | { | |
996 | } | |
997 | ||
998 | VOID | |
999 | SecUnixLoaderBreak ( | |
1000 | VOID | |
1001 | ) | |
1002 | { | |
1003 | } | |
1004 | ||
1005 | BOOLEAN | |
1006 | IsPdbFile ( | |
1007 | IN CHAR8 *PdbFileName | |
1008 | ) | |
1009 | { | |
1010 | UINTN Len; | |
1011 | ||
1012 | if (PdbFileName == NULL) { | |
1013 | return FALSE; | |
1014 | } | |
1015 | ||
1016 | Len = strlen (PdbFileName); | |
1017 | if ((Len < 5)|| (PdbFileName[Len - 4] != '.')) { | |
1018 | return FALSE; | |
1019 | } | |
1020 | ||
1021 | if ((PdbFileName[Len - 3] == 'P' || PdbFileName[Len - 3] == 'p') && | |
1022 | (PdbFileName[Len - 2] == 'D' || PdbFileName[Len - 2] == 'd') && | |
1023 | (PdbFileName[Len - 1] == 'B' || PdbFileName[Len - 1] == 'b')) { | |
1024 | return TRUE; | |
1025 | } | |
1026 | ||
1027 | return FALSE; | |
1028 | } | |
1029 | ||
1030 | ||
1031 | #define MAX_SPRINT_BUFFER_SIZE 0x200 | |
1032 | ||
1033 | void | |
1034 | PrintLoadAddress ( | |
1035 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext | |
1036 | ) | |
1037 | { | |
1038 | if (ImageContext->PdbPointer == NULL) { | |
1039 | fprintf (stderr, | |
1040 | "0x%08lx Loading NO DEBUG with entry point 0x%08lx\n", | |
1041 | (unsigned long)(ImageContext->ImageAddress), | |
1042 | (unsigned long)ImageContext->EntryPoint | |
1043 | ); | |
1044 | } else { | |
1045 | fprintf (stderr, | |
1046 | "0x%08lx Loading %s with entry point 0x%08lx\n", | |
1047 | (unsigned long)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders), | |
1048 | ImageContext->PdbPointer, | |
1049 | (unsigned long)ImageContext->EntryPoint | |
1050 | ); | |
1051 | } | |
1052 | // Keep output synced up | |
1053 | fflush (stderr); | |
1054 | } | |
1055 | ||
1056 | ||
0bc9421b | 1057 | /** |
1058 | Loads the image using dlopen so symbols will be automatically | |
1059 | loaded by gdb. | |
1060 | ||
1061 | @param ImageContext The PE/COFF image context | |
1062 | ||
1063 | @retval TRUE - The image was successfully loaded | |
1064 | @retval FALSE - The image was successfully loaded | |
1065 | ||
1066 | **/ | |
1067 | BOOLEAN | |
1068 | DlLoadImage ( | |
949f388f | 1069 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext |
1070 | ) | |
1071 | { | |
1072 | ||
1073 | #ifdef __APPLE__ | |
949f388f | 1074 | |
0bc9421b | 1075 | return FALSE; |
949f388f | 1076 | |
1077 | #else | |
1078 | ||
1079 | void *Handle = NULL; | |
1080 | void *Entry = NULL; | |
1081 | ||
1082 | if (ImageContext->PdbPointer == NULL) { | |
0bc9421b | 1083 | return FALSE; |
949f388f | 1084 | } |
1085 | ||
1086 | if (!IsPdbFile (ImageContext->PdbPointer)) { | |
0bc9421b | 1087 | return FALSE; |
949f388f | 1088 | } |
1089 | ||
65e3f333 | 1090 | fprintf ( |
1091 | stderr, | |
949f388f | 1092 | "Loading %s 0x%08lx - entry point 0x%08lx\n", |
1093 | ImageContext->PdbPointer, | |
1094 | (unsigned long)ImageContext->ImageAddress, | |
65e3f333 | 1095 | (unsigned long)ImageContext->EntryPoint |
1096 | ); | |
949f388f | 1097 | |
1098 | Handle = dlopen (ImageContext->PdbPointer, RTLD_NOW); | |
1099 | ||
1100 | if (Handle) { | |
1101 | Entry = dlsym (Handle, "_ModuleEntryPoint"); | |
1102 | } else { | |
1103 | printf("%s\n", dlerror()); | |
1104 | } | |
1105 | ||
1106 | if (Entry != NULL) { | |
1107 | ImageContext->EntryPoint = (UINTN)Entry; | |
65e3f333 | 1108 | printf ("Change %s Entrypoint to :0x%08lx\n", ImageContext->PdbPointer, (unsigned long)Entry); |
0bc9421b | 1109 | return TRUE; |
1110 | } else { | |
1111 | return FALSE; | |
949f388f | 1112 | } |
1113 | ||
949f388f | 1114 | #endif |
0bc9421b | 1115 | } |
1116 | ||
1117 | ||
1118 | /** | |
1119 | Adds the image to a gdb script so it's symbols can be loaded. | |
1120 | The AddFirmwareSymbolFile helper macro is used. | |
1121 | ||
1122 | @param ImageContext The PE/COFF image context | |
1123 | ||
1124 | **/ | |
1125 | VOID | |
1126 | GdbScriptAddImage ( | |
1127 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext | |
1128 | ) | |
1129 | { | |
1130 | BOOLEAN InterruptsWereEnabled; | |
949f388f | 1131 | |
0bc9421b | 1132 | // |
1133 | // Disable interrupts to make sure writing of the .gdb file | |
1134 | // is an atomic operation. | |
1135 | // | |
1136 | if (SecInterruptEanbled ()) { | |
1137 | SecDisableInterrupt (); | |
1138 | InterruptsWereEnabled = TRUE; | |
1139 | } else { | |
1140 | InterruptsWereEnabled = FALSE; | |
1141 | } | |
1142 | ||
1143 | PrintLoadAddress (ImageContext); | |
1144 | ||
1145 | if (ImageContext->PdbPointer != NULL && !IsPdbFile (ImageContext->PdbPointer)) { | |
1146 | FILE *GdbTempFile; | |
1147 | GdbTempFile = fopen (gGdbWorkingFileName, "a"); | |
1148 | if (GdbTempFile != NULL) { | |
1149 | long unsigned int SymbolsAddr = (long unsigned int)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders); | |
1150 | mScriptSymbolChangesCount++; | |
1151 | fprintf ( | |
1152 | GdbTempFile, | |
1153 | "AddFirmwareSymbolFile 0x%x %s 0x%08lx\n", | |
1154 | mScriptSymbolChangesCount, | |
1155 | ImageContext->PdbPointer, | |
1156 | SymbolsAddr | |
1157 | ); | |
1158 | fclose (GdbTempFile); | |
1159 | } else { | |
1160 | ASSERT (FALSE); | |
1161 | } | |
1162 | ||
1163 | AddHandle (ImageContext, ImageContext->PdbPointer); | |
1164 | ||
1165 | if (InterruptsWereEnabled) { | |
1166 | SecEnableInterrupt (); | |
1167 | } | |
1168 | ||
1169 | } | |
949f388f | 1170 | } |
1171 | ||
1172 | ||
1173 | VOID | |
1174 | EFIAPI | |
0bc9421b | 1175 | SecPeCoffRelocateImageExtraAction ( |
1176 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext | |
949f388f | 1177 | ) |
1178 | { | |
0bc9421b | 1179 | if (!DlLoadImage (ImageContext)) { |
1180 | GdbScriptAddImage (ImageContext); | |
1181 | } | |
1182 | } | |
949f388f | 1183 | |
949f388f | 1184 | |
0bc9421b | 1185 | /** |
1186 | Adds the image to a gdb script so it's symbols can be unloaded. | |
1187 | The RemoveFirmwareSymbolFile helper macro is used. | |
1188 | ||
1189 | @param ImageContext The PE/COFF image context | |
1190 | ||
1191 | **/ | |
1192 | VOID | |
1193 | GdbScriptRemoveImage ( | |
1194 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext | |
1195 | ) | |
1196 | { | |
949f388f | 1197 | FILE *GdbTempFile; |
0bc9421b | 1198 | BOOLEAN InterruptsWereEnabled; |
949f388f | 1199 | |
0bc9421b | 1200 | // |
1201 | // Need to skip .PDB files created from VC++ | |
1202 | // | |
1203 | if (IsPdbFile (ImageContext->PdbPointer)) { | |
1204 | return; | |
1205 | } | |
1206 | ||
1207 | if (SecInterruptEanbled ()) { | |
1208 | SecDisableInterrupt (); | |
1209 | InterruptsWereEnabled = TRUE; | |
1210 | } else { | |
1211 | InterruptsWereEnabled = FALSE; | |
949f388f | 1212 | } |
1213 | ||
949f388f | 1214 | // |
0bc9421b | 1215 | // Write the file we need for the gdb script |
949f388f | 1216 | // |
0bc9421b | 1217 | GdbTempFile = fopen (gGdbWorkingFileName, "a"); |
1218 | if (GdbTempFile != NULL) { | |
1219 | mScriptSymbolChangesCount++; | |
1220 | fprintf ( | |
1221 | GdbTempFile, | |
1222 | "RemoveFirmwareSymbolFile 0x%x %s\n", | |
1223 | mScriptSymbolChangesCount, | |
1224 | ImageContext->PdbPointer | |
1225 | ); | |
1226 | fclose (GdbTempFile); | |
1227 | } else { | |
1228 | ASSERT (FALSE); | |
1229 | } | |
1230 | ||
1231 | if (InterruptsWereEnabled) { | |
1232 | SecEnableInterrupt (); | |
949f388f | 1233 | } |
0bc9421b | 1234 | } |
1235 | ||
949f388f | 1236 | |
0bc9421b | 1237 | VOID |
1238 | EFIAPI | |
1239 | SecPeCoffUnloadImageExtraAction ( | |
1240 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext | |
1241 | ) | |
1242 | { | |
1243 | VOID *Handle; | |
1244 | ||
1245 | // | |
1246 | // Check to see if the image symbols were loaded with gdb script, or dlopen | |
1247 | // | |
1248 | Handle = RemoveHandle (ImageContext); | |
1249 | ||
febb2276 | 1250 | if (Handle != NULL) { |
0bc9421b | 1251 | #ifndef __APPLE__ |
1252 | dlclose (Handle); | |
949f388f | 1253 | #endif |
0bc9421b | 1254 | return; |
1255 | } | |
1256 | ||
1257 | GdbScriptRemoveImage (ImageContext); | |
949f388f | 1258 | } |
1259 | ||
1260 |