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804405e7 | 1 | /*++ |
2 | ||
f9b8ab56 HT |
3 | Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> |
4 | Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> | |
5 | This program and the accompanying materials | |
804405e7 | 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 | Module Name: | |
14 | ||
15 | SecMain.c | |
16 | ||
17 | Abstract: | |
ccd55824 | 18 | Unix emulator of SEC phase. It's really a Posix application, but this is |
804405e7 | 19 | Ok since all the other modules for NT32 are NOT Posix applications. |
20 | ||
21 | This program processes host environment variables and figures out | |
22 | what the memory layout will be, how may FD's will be loaded and also | |
23 | what the boot mode is. | |
24 | ||
25 | The SEC registers a set of services with the SEC core. gPrivateDispatchTable | |
26 | is a list of PPI's produced by the SEC that are availble for usage in PEI. | |
27 | ||
28 | This code produces 128 K of temporary memory for the PEI stack by opening a | |
29 | host file and mapping it directly to memory addresses. | |
30 | ||
31 | The system.cmd script is used to set host environment variables that drive | |
32 | the configuration opitons of the SEC. | |
33 | ||
34 | --*/ | |
35 | ||
36 | #include "SecMain.h" | |
37 | #include <sys/mman.h> | |
38 | #include <Ppi/UnixPeiLoadFile.h> | |
804405e7 | 39 | #include <Ppi/TemporaryRamSupport.h> |
40 | #include <dlfcn.h> | |
ccd55824 | 41 | |
42 | #ifdef __APPLE__ | |
43 | #define MAP_ANONYMOUS MAP_ANON | |
44 | char *gGdbWorkingFileName = NULL; | |
45 | #endif | |
46 | ||
47 | ||
804405e7 | 48 | // |
49 | // Globals | |
50 | // | |
804405e7 | 51 | |
ccd55824 | 52 | UNIX_PEI_LOAD_FILE_PPI mSecUnixLoadFilePpi = { SecUnixPeiLoadFile }; |
804405e7 | 53 | |
ccd55824 | 54 | PEI_UNIX_AUTOSCAN_PPI mSecUnixAutoScanPpi = { SecUnixPeiAutoScan }; |
804405e7 | 55 | |
ccd55824 | 56 | PEI_UNIX_THUNK_PPI mSecUnixThunkPpi = { SecUnixUnixThunkAddress }; |
804405e7 | 57 | |
73aa7f04 | 58 | EFI_PEI_PROGRESS_CODE_PPI mSecStatusCodePpi = { SecPeiReportStatusCode }; |
804405e7 | 59 | |
ccd55824 | 60 | UNIX_FWH_PPI mSecFwhInformationPpi = { SecUnixFdAddress }; |
804405e7 | 61 | |
62 | TEMPORARY_RAM_SUPPORT_PPI mSecTemporaryRamSupportPpi = {SecTemporaryRamSupport}; | |
63 | ||
64 | EFI_PEI_PPI_DESCRIPTOR gPrivateDispatchTable[] = { | |
804405e7 | 65 | { |
66 | EFI_PEI_PPI_DESCRIPTOR_PPI, | |
67 | &gUnixPeiLoadFilePpiGuid, | |
ccd55824 | 68 | &mSecUnixLoadFilePpi |
804405e7 | 69 | }, |
70 | { | |
71 | EFI_PEI_PPI_DESCRIPTOR_PPI, | |
72 | &gPeiUnixAutoScanPpiGuid, | |
ccd55824 | 73 | &mSecUnixAutoScanPpi |
804405e7 | 74 | }, |
75 | { | |
76 | EFI_PEI_PPI_DESCRIPTOR_PPI, | |
77 | &gPeiUnixThunkPpiGuid, | |
ccd55824 | 78 | &mSecUnixThunkPpi |
804405e7 | 79 | }, |
80 | { | |
81 | EFI_PEI_PPI_DESCRIPTOR_PPI, | |
82 | &gEfiPeiStatusCodePpiGuid, | |
83 | &mSecStatusCodePpi | |
84 | }, | |
85 | { | |
86 | EFI_PEI_PPI_DESCRIPTOR_PPI, | |
87 | &gEfiTemporaryRamSupportPpiGuid, | |
88 | &mSecTemporaryRamSupportPpi | |
89 | }, | |
90 | { | |
804405e7 | 91 | EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, |
92 | &gUnixFwhPpiGuid, | |
93 | &mSecFwhInformationPpi | |
94 | } | |
95 | }; | |
96 | ||
97 | ||
98 | // | |
99 | // Default information about where the FD is located. | |
100 | // This array gets filled in with information from EFI_FIRMWARE_VOLUMES | |
101 | // EFI_FIRMWARE_VOLUMES is a host environment variable set by system.cmd. | |
102 | // The number of array elements is allocated base on parsing | |
103 | // EFI_FIRMWARE_VOLUMES and the memory is never freed. | |
104 | // | |
105 | UINTN gFdInfoCount = 0; | |
106 | UNIX_FD_INFO *gFdInfo; | |
107 | ||
108 | // | |
109 | // Array that supports seperate memory rantes. | |
110 | // The memory ranges are set in system.cmd via the EFI_MEMORY_SIZE variable. | |
111 | // The number of array elements is allocated base on parsing | |
112 | // EFI_MEMORY_SIZE and the memory is never freed. | |
113 | // | |
114 | UINTN gSystemMemoryCount = 0; | |
115 | UNIX_SYSTEM_MEMORY *gSystemMemory; | |
116 | ||
ccd55824 | 117 | |
118 | ||
119 | UINTN mImageContextModHandleArraySize = 0; | |
120 | IMAGE_CONTEXT_TO_MOD_HANDLE *mImageContextModHandleArray = NULL; | |
121 | ||
122 | ||
804405e7 | 123 | VOID |
124 | EFIAPI | |
125 | SecSwitchStack ( | |
126 | UINT32 TemporaryMemoryBase, | |
127 | UINT32 PermenentMemoryBase | |
128 | ); | |
129 | ||
804405e7 | 130 | EFI_PHYSICAL_ADDRESS * |
131 | MapMemory ( | |
132 | INTN fd, | |
133 | UINT64 length, | |
134 | INTN prot, | |
135 | INTN flags); | |
136 | ||
804405e7 | 137 | EFI_STATUS |
138 | MapFile ( | |
139 | IN CHAR8 *FileName, | |
140 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress, | |
141 | OUT UINT64 *Length | |
142 | ); | |
7ee3b613 | 143 | |
398b646f | 144 | EFI_STATUS |
145 | EFIAPI | |
146 | SecNt32PeCoffRelocateImage ( | |
147 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext | |
148 | ); | |
804405e7 | 149 | |
150 | ||
ccd55824 | 151 | int |
804405e7 | 152 | main ( |
ccd55824 | 153 | IN int Argc, |
154 | IN char **Argv, | |
155 | IN char **Envp | |
804405e7 | 156 | ) |
157 | /*++ | |
158 | ||
159 | Routine Description: | |
ccd55824 | 160 | Main entry point to SEC for Unix. This is a unix program |
804405e7 | 161 | |
162 | Arguments: | |
163 | Argc - Number of command line arguments | |
164 | Argv - Array of command line argument strings | |
165 | Envp - Array of environmemt variable strings | |
166 | ||
167 | Returns: | |
168 | 0 - Normal exit | |
169 | 1 - Abnormal exit | |
170 | ||
171 | --*/ | |
172 | { | |
173 | EFI_STATUS Status; | |
174 | EFI_PHYSICAL_ADDRESS InitialStackMemory; | |
175 | UINT64 InitialStackMemorySize; | |
176 | UINTN Index; | |
177 | UINTN Index1; | |
178 | UINTN Index2; | |
179 | UINTN PeiIndex; | |
180 | CHAR8 *FileName; | |
181 | BOOLEAN Done; | |
182 | VOID *PeiCoreFile; | |
183 | CHAR16 *MemorySizeStr; | |
184 | CHAR16 *FirmwareVolumesStr; | |
185 | UINTN *StackPointer; | |
186 | ||
187 | setbuf(stdout, 0); | |
188 | setbuf(stderr, 0); | |
189 | ||
cdccd99e | 190 | MemorySizeStr = (CHAR16 *) PcdGetPtr (PcdUnixMemorySizeForSecMain); |
191 | FirmwareVolumesStr = (CHAR16 *) PcdGetPtr (PcdUnixFirmwareVolume); | |
804405e7 | 192 | |
d5cdd257 | 193 | printf ("\nEDK SEC Main UNIX Emulation Environment from edk2.sourceforge.net\n"); |
804405e7 | 194 | |
ccd55824 | 195 | #ifdef __APPLE__ |
196 | // | |
197 | // We can't use dlopen on OS X, so we need a scheme to get symboles into gdb | |
198 | // We need to create a temp file that contains gdb commands so we can load | |
199 | // symbols when we load every PE/COFF image. | |
200 | // | |
201 | Index = strlen (*Argv); | |
7ee3b613 | 202 | gGdbWorkingFileName = malloc (Index + strlen(".gdb") + 1); |
ccd55824 | 203 | strcpy (gGdbWorkingFileName, *Argv); |
204 | strcat (gGdbWorkingFileName, ".gdb"); | |
205 | #endif | |
206 | ||
207 | ||
804405e7 | 208 | // |
209 | // Allocate space for gSystemMemory Array | |
210 | // | |
211 | gSystemMemoryCount = CountSeperatorsInString (MemorySizeStr, '!') + 1; | |
212 | gSystemMemory = calloc (gSystemMemoryCount, sizeof (UNIX_SYSTEM_MEMORY)); | |
213 | if (gSystemMemory == NULL) { | |
214 | printf ("ERROR : Can not allocate memory for system. Exiting.\n"); | |
215 | exit (1); | |
216 | } | |
217 | // | |
218 | // Allocate space for gSystemMemory Array | |
219 | // | |
220 | gFdInfoCount = CountSeperatorsInString (FirmwareVolumesStr, '!') + 1; | |
221 | gFdInfo = calloc (gFdInfoCount, sizeof (UNIX_FD_INFO)); | |
222 | if (gFdInfo == NULL) { | |
223 | printf ("ERROR : Can not allocate memory for fd info. Exiting.\n"); | |
224 | exit (1); | |
225 | } | |
226 | // | |
227 | // Setup Boot Mode. If BootModeStr == "" then BootMode = 0 (BOOT_WITH_FULL_CONFIGURATION) | |
228 | // | |
cdccd99e | 229 | printf (" BootMode 0x%02x\n", (unsigned int)PcdGet32 (PcdUnixBootMode)); |
804405e7 | 230 | |
231 | // | |
232 | // Open up a 128K file to emulate temp memory for PEI. | |
233 | // on a real platform this would be SRAM, or using the cache as RAM. | |
ccd55824 | 234 | // Set InitialStackMemory to zero so UnixOpenFile will allocate a new mapping |
804405e7 | 235 | // |
236 | InitialStackMemorySize = STACK_SIZE; | |
237 | InitialStackMemory = (UINTN)MapMemory(0, | |
238 | (UINT32) InitialStackMemorySize, | |
d34689b4 | 239 | PROT_READ | PROT_WRITE | PROT_EXEC, |
804405e7 | 240 | MAP_ANONYMOUS | MAP_PRIVATE); |
241 | if (InitialStackMemory == 0) { | |
242 | printf ("ERROR : Can not open SecStack Exiting\n"); | |
243 | exit (1); | |
244 | } | |
245 | ||
246 | printf (" SEC passing in %u KB of temp RAM at 0x%08lx to PEI\n", | |
ccd55824 | 247 | (unsigned int)(InitialStackMemorySize / 1024), |
804405e7 | 248 | (unsigned long)InitialStackMemory); |
249 | ||
250 | for (StackPointer = (UINTN*) (UINTN) InitialStackMemory; | |
ccd55824 | 251 | StackPointer < (UINTN*)(UINTN)((UINTN) InitialStackMemory + (UINT64) InitialStackMemorySize); |
804405e7 | 252 | StackPointer ++) { |
253 | *StackPointer = 0x5AA55AA5; | |
254 | } | |
255 | ||
256 | // | |
257 | // Open All the firmware volumes and remember the info in the gFdInfo global | |
258 | // | |
259 | FileName = (CHAR8 *)malloc (StrLen (FirmwareVolumesStr) + 1); | |
260 | if (FileName == NULL) { | |
261 | printf ("ERROR : Can not allocate memory for firmware volume string\n"); | |
262 | exit (1); | |
263 | } | |
264 | ||
265 | Index2 = 0; | |
266 | for (Done = FALSE, Index = 0, PeiIndex = 0, PeiCoreFile = NULL; | |
267 | FirmwareVolumesStr[Index2] != 0; | |
268 | Index++) { | |
269 | for (Index1 = 0; (FirmwareVolumesStr[Index2] != '!') && (FirmwareVolumesStr[Index2] != 0); Index2++) | |
270 | FileName[Index1++] = FirmwareVolumesStr[Index2]; | |
271 | if (FirmwareVolumesStr[Index2] == '!') | |
272 | Index2++; | |
273 | FileName[Index1] = '\0'; | |
274 | ||
275 | // | |
276 | // Open the FD and remmeber where it got mapped into our processes address space | |
277 | // | |
278 | Status = MapFile ( | |
279 | FileName, | |
280 | &gFdInfo[Index].Address, | |
281 | &gFdInfo[Index].Size | |
282 | ); | |
283 | if (EFI_ERROR (Status)) { | |
ccd55824 | 284 | printf ("ERROR : Can not open Firmware Device File %s (%x). Exiting.\n", FileName, (unsigned int)Status); |
804405e7 | 285 | exit (1); |
286 | } | |
287 | ||
288 | printf (" FD loaded from %s at 0x%08lx", | |
289 | FileName, (unsigned long)gFdInfo[Index].Address); | |
290 | ||
291 | if (PeiCoreFile == NULL) { | |
292 | // | |
293 | // Assume the beginning of the FD is an FV and look for the PEI Core. | |
294 | // Load the first one we find. | |
295 | // | |
296 | Status = SecFfsFindPeiCore ((EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) gFdInfo[Index].Address, &PeiCoreFile); | |
297 | if (!EFI_ERROR (Status)) { | |
298 | PeiIndex = Index; | |
299 | printf (" contains SEC Core"); | |
300 | } | |
301 | } | |
302 | ||
303 | printf ("\n"); | |
304 | } | |
305 | // | |
306 | // Calculate memory regions and store the information in the gSystemMemory | |
307 | // global for later use. The autosizing code will use this data to | |
308 | // map this memory into the SEC process memory space. | |
309 | // | |
310 | Index1 = 0; | |
311 | Index = 0; | |
312 | while (1) { | |
313 | UINTN val = 0; | |
314 | // | |
315 | // Save the size of the memory. | |
316 | // | |
317 | while (MemorySizeStr[Index1] >= '0' && MemorySizeStr[Index1] <= '9') { | |
318 | val = val * 10 + MemorySizeStr[Index1] - '0'; | |
319 | Index1++; | |
320 | } | |
321 | gSystemMemory[Index++].Size = val * 0x100000; | |
322 | if (MemorySizeStr[Index1] == 0) | |
323 | break; | |
324 | Index1++; | |
325 | } | |
326 | ||
327 | printf ("\n"); | |
328 | ||
329 | // | |
330 | // Hand off to PEI Core | |
331 | // | |
332 | SecLoadFromCore ((UINTN) InitialStackMemory, (UINTN) InitialStackMemorySize, (UINTN) gFdInfo[0].Address, PeiCoreFile); | |
333 | ||
334 | // | |
335 | // If we get here, then the PEI Core returned. This is an error as PEI should | |
336 | // always hand off to DXE. | |
337 | // | |
338 | printf ("ERROR : PEI Core returned\n"); | |
339 | exit (1); | |
340 | } | |
341 | ||
342 | EFI_PHYSICAL_ADDRESS * | |
343 | MapMemory ( | |
344 | INTN fd, | |
345 | UINT64 length, | |
346 | INTN prot, | |
347 | INTN flags) | |
348 | { | |
349 | STATIC UINTN base = 0x40000000; | |
350 | CONST UINTN align = (1 << 24); | |
351 | VOID *res = NULL; | |
352 | BOOLEAN isAligned = 0; | |
353 | ||
354 | // | |
355 | // Try to get an aligned block somewhere in the address space of this | |
356 | // process. | |
357 | // | |
358 | while((!isAligned) && (base != 0)) { | |
359 | res = mmap ((void *)base, length, prot, flags, fd, 0); | |
360 | if (res == MAP_FAILED) { | |
361 | return NULL; | |
362 | } | |
363 | if ((((UINTN)res) & ~(align-1)) == (UINTN)res) { | |
364 | isAligned=1; | |
365 | } | |
366 | else { | |
367 | munmap(res, length); | |
368 | base += align; | |
369 | } | |
370 | } | |
371 | return res; | |
372 | } | |
373 | ||
374 | EFI_STATUS | |
375 | MapFile ( | |
376 | IN CHAR8 *FileName, | |
377 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress, | |
378 | OUT UINT64 *Length | |
379 | ) | |
380 | /*++ | |
381 | ||
382 | Routine Description: | |
ccd55824 | 383 | Opens and memory maps a file using Unix services. If BaseAddress is non zero |
804405e7 | 384 | the process will try and allocate the memory starting at BaseAddress. |
385 | ||
386 | Arguments: | |
387 | FileName - The name of the file to open and map | |
388 | MapSize - The amount of the file to map in bytes | |
389 | CreationDisposition - The flags to pass to CreateFile(). Use to create new files for | |
390 | memory emulation, and exiting files for firmware volume emulation | |
391 | BaseAddress - The base address of the mapped file in the user address space. | |
392 | If passed in as NULL the a new memory region is used. | |
393 | If passed in as non NULL the request memory region is used for | |
394 | the mapping of the file into the process space. | |
395 | Length - The size of the mapped region in bytes | |
396 | ||
397 | Returns: | |
398 | EFI_SUCCESS - The file was opened and mapped. | |
399 | EFI_NOT_FOUND - FileName was not found in the current directory | |
400 | EFI_DEVICE_ERROR - An error occured attempting to map the opened file | |
401 | ||
402 | --*/ | |
403 | { | |
404 | int fd; | |
405 | VOID *res; | |
406 | UINTN FileSize; | |
407 | ||
408 | fd = open (FileName, O_RDONLY); | |
409 | if (fd < 0) | |
410 | return EFI_NOT_FOUND; | |
411 | FileSize = lseek (fd, 0, SEEK_END); | |
412 | ||
413 | #if 0 | |
414 | if (IsMain) | |
415 | { | |
416 | /* Read entry address. */ | |
417 | lseek (fd, FileSize - 0x20, SEEK_SET); | |
418 | if (read (fd, &EntryAddress, 4) != 4) | |
419 | { | |
420 | close (fd); | |
421 | return EFI_DEVICE_ERROR; | |
422 | } | |
423 | } | |
424 | #endif | |
425 | ||
426 | res = MapMemory(fd, FileSize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE); | |
427 | ||
428 | close (fd); | |
429 | ||
430 | if (res == MAP_FAILED) | |
431 | return EFI_DEVICE_ERROR; | |
432 | ||
433 | *Length = (UINT64) FileSize; | |
434 | *BaseAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) res; | |
435 | ||
436 | return EFI_SUCCESS; | |
437 | } | |
438 | ||
439 | #define BYTES_PER_RECORD 512 | |
440 | ||
441 | EFI_STATUS | |
442 | EFIAPI | |
443 | SecPeiReportStatusCode ( | |
ccd55824 | 444 | IN CONST EFI_PEI_SERVICES **PeiServices, |
804405e7 | 445 | IN EFI_STATUS_CODE_TYPE CodeType, |
446 | IN EFI_STATUS_CODE_VALUE Value, | |
447 | IN UINT32 Instance, | |
ccd55824 | 448 | IN CONST EFI_GUID *CallerId, |
449 | IN CONST EFI_STATUS_CODE_DATA *Data OPTIONAL | |
804405e7 | 450 | ) |
451 | /*++ | |
452 | ||
453 | Routine Description: | |
454 | ||
455 | This routine produces the ReportStatusCode PEI service. It's passed | |
456 | up to the PEI Core via a PPI. T | |
457 | ||
458 | This code currently uses the UNIX clib printf. This does not work the same way | |
459 | as the EFI Print (), as %t, %g, %s as Unicode are not supported. | |
460 | ||
461 | Arguments: | |
462 | (see EFI_PEI_REPORT_STATUS_CODE) | |
463 | ||
464 | Returns: | |
465 | EFI_SUCCESS - Always return success | |
466 | ||
467 | --*/ | |
468 | // TODO: PeiServices - add argument and description to function comment | |
469 | // TODO: CodeType - add argument and description to function comment | |
470 | // TODO: Value - add argument and description to function comment | |
471 | // TODO: Instance - add argument and description to function comment | |
472 | // TODO: CallerId - add argument and description to function comment | |
473 | // TODO: Data - add argument and description to function comment | |
474 | { | |
475 | CHAR8 *Format; | |
9c98c8e1 | 476 | BASE_LIST Marker; |
804405e7 | 477 | CHAR8 PrintBuffer[BYTES_PER_RECORD * 2]; |
478 | CHAR8 *Filename; | |
479 | CHAR8 *Description; | |
480 | UINT32 LineNumber; | |
481 | UINT32 ErrorLevel; | |
482 | ||
483 | ||
484 | if (Data == NULL) { | |
485 | } else if (ReportStatusCodeExtractAssertInfo (CodeType, Value, Data, &Filename, &Description, &LineNumber)) { | |
486 | // | |
487 | // Processes ASSERT () | |
488 | // | |
ccd55824 | 489 | printf ("ASSERT %s(%d): %s\n", Filename, (int)LineNumber, Description); |
804405e7 | 490 | |
491 | } else if (ReportStatusCodeExtractDebugInfo (Data, &ErrorLevel, &Marker, &Format)) { | |
492 | // | |
493 | // Process DEBUG () macro | |
494 | // | |
9c98c8e1 | 495 | AsciiBSPrint (PrintBuffer, BYTES_PER_RECORD, Format, Marker); |
b7f76514 | 496 | printf ("%s", PrintBuffer); |
804405e7 | 497 | } |
498 | ||
499 | return EFI_SUCCESS; | |
500 | } | |
501 | ||
804405e7 | 502 | VOID |
503 | EFIAPI | |
504 | PeiSwitchStacks ( | |
505 | IN SWITCH_STACK_ENTRY_POINT EntryPoint, | |
506 | IN VOID *Context1, OPTIONAL | |
507 | IN VOID *Context2, OPTIONAL | |
508 | IN VOID *Context3, OPTIONAL | |
509 | IN VOID *NewStack | |
67f86803 | 510 | ); |
804405e7 | 511 | |
512 | VOID | |
513 | SecLoadFromCore ( | |
514 | IN UINTN LargestRegion, | |
515 | IN UINTN LargestRegionSize, | |
516 | IN UINTN BootFirmwareVolumeBase, | |
517 | IN VOID *PeiCorePe32File | |
518 | ) | |
519 | /*++ | |
520 | ||
521 | Routine Description: | |
522 | This is the service to load the PEI Core from the Firmware Volume | |
523 | ||
524 | Arguments: | |
525 | LargestRegion - Memory to use for PEI. | |
526 | LargestRegionSize - Size of Memory to use for PEI | |
527 | BootFirmwareVolumeBase - Start of the Boot FV | |
528 | PeiCorePe32File - PEI Core PE32 | |
529 | ||
530 | Returns: | |
531 | Success means control is transfered and thus we should never return | |
532 | ||
533 | --*/ | |
534 | { | |
535 | EFI_STATUS Status; | |
536 | EFI_PHYSICAL_ADDRESS TopOfMemory; | |
537 | VOID *TopOfStack; | |
538 | UINT64 PeiCoreSize; | |
539 | EFI_PHYSICAL_ADDRESS PeiCoreEntryPoint; | |
540 | EFI_PHYSICAL_ADDRESS PeiImageAddress; | |
541 | EFI_SEC_PEI_HAND_OFF *SecCoreData; | |
542 | UINTN PeiStackSize; | |
543 | ||
544 | // | |
545 | // Compute Top Of Memory for Stack and PEI Core Allocations | |
546 | // | |
547 | TopOfMemory = LargestRegion + LargestRegionSize; | |
548 | PeiStackSize = (UINTN)RShiftU64((UINT64)STACK_SIZE,1); | |
549 | ||
550 | // | |
551 | // |-----------| <---- TemporaryRamBase + TemporaryRamSize | |
552 | // | Heap | | |
553 | // | | | |
554 | // |-----------| <---- StackBase / PeiTemporaryMemoryBase | |
555 | // | | | |
556 | // | Stack | | |
557 | // |-----------| <---- TemporaryRamBase | |
558 | // | |
559 | TopOfStack = (VOID *)(LargestRegion + PeiStackSize); | |
560 | TopOfMemory = LargestRegion + PeiStackSize; | |
561 | ||
562 | // | |
563 | // Reservet space for storing PeiCore's parament in stack. | |
564 | // | |
565 | TopOfStack = (VOID *)((UINTN)TopOfStack - sizeof (EFI_SEC_PEI_HAND_OFF) - CPU_STACK_ALIGNMENT); | |
566 | TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT); | |
567 | ||
398b646f | 568 | |
804405e7 | 569 | // |
570 | // Bind this information into the SEC hand-off state | |
571 | // | |
572 | SecCoreData = (EFI_SEC_PEI_HAND_OFF*)(UINTN) TopOfStack; | |
573 | SecCoreData->DataSize = sizeof(EFI_SEC_PEI_HAND_OFF); | |
574 | SecCoreData->BootFirmwareVolumeBase = (VOID*)BootFirmwareVolumeBase; | |
cdccd99e | 575 | SecCoreData->BootFirmwareVolumeSize = PcdGet32 (PcdUnixFirmwareFdSize); |
804405e7 | 576 | SecCoreData->TemporaryRamBase = (VOID*)(UINTN)LargestRegion; |
577 | SecCoreData->TemporaryRamSize = STACK_SIZE; | |
578 | SecCoreData->StackBase = SecCoreData->TemporaryRamBase; | |
579 | SecCoreData->StackSize = PeiStackSize; | |
580 | SecCoreData->PeiTemporaryRamBase = (VOID*) ((UINTN) SecCoreData->TemporaryRamBase + PeiStackSize); | |
581 | SecCoreData->PeiTemporaryRamSize = STACK_SIZE - PeiStackSize; | |
582 | ||
583 | // | |
584 | // Load the PEI Core from a Firmware Volume | |
585 | // | |
ccd55824 | 586 | Status = SecUnixPeiLoadFile ( |
804405e7 | 587 | PeiCorePe32File, |
588 | &PeiImageAddress, | |
589 | &PeiCoreSize, | |
590 | &PeiCoreEntryPoint | |
591 | ); | |
592 | if (EFI_ERROR (Status)) { | |
593 | return ; | |
594 | } | |
595 | ||
596 | // | |
597 | // Transfer control to the PEI Core | |
598 | // | |
599 | PeiSwitchStacks ( | |
600 | (SWITCH_STACK_ENTRY_POINT) (UINTN) PeiCoreEntryPoint, | |
601 | SecCoreData, | |
602 | (VOID *) (UINTN) ((EFI_PEI_PPI_DESCRIPTOR *) &gPrivateDispatchTable), | |
603 | NULL, | |
604 | TopOfStack | |
605 | ); | |
606 | // | |
607 | // If we get here, then the PEI Core returned. This is an error | |
608 | // | |
609 | return ; | |
610 | } | |
611 | ||
612 | EFI_STATUS | |
613 | EFIAPI | |
ccd55824 | 614 | SecUnixPeiAutoScan ( |
804405e7 | 615 | IN UINTN Index, |
616 | OUT EFI_PHYSICAL_ADDRESS *MemoryBase, | |
617 | OUT UINT64 *MemorySize | |
618 | ) | |
619 | /*++ | |
620 | ||
621 | Routine Description: | |
622 | This service is called from Index == 0 until it returns EFI_UNSUPPORTED. | |
623 | It allows discontiguous memory regions to be supported by the emulator. | |
624 | It uses gSystemMemory[] and gSystemMemoryCount that were created by | |
625 | parsing the host environment variable EFI_MEMORY_SIZE. | |
626 | The size comes from the varaible and the address comes from the call to | |
ccd55824 | 627 | UnixOpenFile. |
804405e7 | 628 | |
629 | Arguments: | |
630 | Index - Which memory region to use | |
631 | MemoryBase - Return Base address of memory region | |
632 | MemorySize - Return size in bytes of the memory region | |
633 | ||
634 | Returns: | |
635 | EFI_SUCCESS - If memory region was mapped | |
636 | EFI_UNSUPPORTED - If Index is not supported | |
637 | ||
638 | --*/ | |
639 | { | |
640 | void *res; | |
641 | ||
642 | if (Index >= gSystemMemoryCount) { | |
643 | return EFI_UNSUPPORTED; | |
644 | } | |
645 | ||
646 | *MemoryBase = 0; | |
647 | res = MapMemory(0, gSystemMemory[Index].Size, | |
648 | PROT_READ | PROT_WRITE | PROT_EXEC, | |
649 | MAP_PRIVATE | MAP_ANONYMOUS); | |
650 | if (res == MAP_FAILED) | |
651 | return EFI_DEVICE_ERROR; | |
652 | *MemorySize = gSystemMemory[Index].Size; | |
653 | *MemoryBase = (UINTN)res; | |
654 | gSystemMemory[Index].Memory = *MemoryBase; | |
655 | ||
656 | return EFI_SUCCESS; | |
657 | } | |
658 | ||
659 | VOID * | |
660 | EFIAPI | |
ccd55824 | 661 | SecUnixUnixThunkAddress ( |
804405e7 | 662 | VOID |
663 | ) | |
664 | /*++ | |
665 | ||
666 | Routine Description: | |
667 | Since the SEC is the only Unix program in stack it must export | |
ccd55824 | 668 | an interface to do POSIX calls. gUnix is initailized in UnixThunk.c. |
804405e7 | 669 | |
670 | Arguments: | |
671 | InterfaceSize - sizeof (EFI_WIN_NT_THUNK_PROTOCOL); | |
ccd55824 | 672 | InterfaceBase - Address of the gUnix global |
804405e7 | 673 | |
674 | Returns: | |
675 | EFI_SUCCESS - Data returned | |
676 | ||
677 | --*/ | |
678 | { | |
679 | return gUnix; | |
680 | } | |
681 | ||
682 | ||
683 | EFI_STATUS | |
ccd55824 | 684 | SecUnixPeiLoadFile ( |
804405e7 | 685 | IN VOID *Pe32Data, |
ccd55824 | 686 | OUT EFI_PHYSICAL_ADDRESS *ImageAddress, |
687 | OUT UINT64 *ImageSize, | |
688 | OUT EFI_PHYSICAL_ADDRESS *EntryPoint | |
804405e7 | 689 | ) |
690 | /*++ | |
691 | ||
692 | Routine Description: | |
693 | Loads and relocates a PE/COFF image into memory. | |
694 | ||
695 | Arguments: | |
696 | Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated | |
697 | ImageAddress - The base address of the relocated PE/COFF image | |
698 | ImageSize - The size of the relocated PE/COFF image | |
699 | EntryPoint - The entry point of the relocated PE/COFF image | |
700 | ||
701 | Returns: | |
702 | EFI_SUCCESS - The file was loaded and relocated | |
703 | EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file | |
704 | ||
705 | --*/ | |
706 | { | |
707 | EFI_STATUS Status; | |
708 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext; | |
709 | ||
710 | ZeroMem (&ImageContext, sizeof (ImageContext)); | |
711 | ImageContext.Handle = Pe32Data; | |
712 | ||
713 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE) SecImageRead; | |
714 | ||
398b646f | 715 | Status = PeCoffLoaderGetImageInfo (&ImageContext); |
804405e7 | 716 | if (EFI_ERROR (Status)) { |
717 | return Status; | |
718 | } | |
d34689b4 | 719 | |
720 | ||
804405e7 | 721 | // |
722 | // Allocate space in UNIX (not emulator) memory. Extra space is for alignment | |
723 | // | |
d34689b4 | 724 | ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) MapMemory ( |
725 | 0, | |
726 | (UINT32) (ImageContext.ImageSize + (ImageContext.SectionAlignment * 2)), | |
727 | PROT_READ | PROT_WRITE | PROT_EXEC, | |
728 | MAP_ANONYMOUS | MAP_PRIVATE | |
729 | ); | |
804405e7 | 730 | if (ImageContext.ImageAddress == 0) { |
731 | return EFI_OUT_OF_RESOURCES; | |
732 | } | |
d34689b4 | 733 | |
804405e7 | 734 | // |
735 | // Align buffer on section boundry | |
736 | // | |
f7bef78c | 737 | ImageContext.ImageAddress += ImageContext.SectionAlignment - 1; |
d34689b4 | 738 | ImageContext.ImageAddress &= ~((EFI_PHYSICAL_ADDRESS)(ImageContext.SectionAlignment - 1)); |
804405e7 | 739 | |
740 | ||
398b646f | 741 | Status = PeCoffLoaderLoadImage (&ImageContext); |
804405e7 | 742 | if (EFI_ERROR (Status)) { |
743 | return Status; | |
744 | } | |
7ee3b613 A |
745 | |
746 | Status = PeCoffLoaderRelocateImage (&ImageContext); | |
747 | if (EFI_ERROR (Status)) { | |
748 | return Status; | |
749 | } | |
750 | ||
804405e7 | 751 | |
ccd55824 | 752 | SecPeCoffRelocateImageExtraAction (&ImageContext); |
804405e7 | 753 | |
754 | // | |
755 | // BugBug: Flush Instruction Cache Here when CPU Lib is ready | |
756 | // | |
757 | ||
758 | *ImageAddress = ImageContext.ImageAddress; | |
759 | *ImageSize = ImageContext.ImageSize; | |
760 | *EntryPoint = ImageContext.EntryPoint; | |
761 | ||
762 | return EFI_SUCCESS; | |
763 | } | |
764 | ||
ccd55824 | 765 | |
766 | RETURN_STATUS | |
767 | EFIAPI | |
768 | SecPeCoffGetEntryPoint ( | |
769 | IN VOID *Pe32Data, | |
770 | IN OUT VOID **EntryPoint | |
771 | ) | |
772 | { | |
773 | EFI_STATUS Status; | |
774 | EFI_PHYSICAL_ADDRESS ImageAddress; | |
775 | UINT64 ImageSize; | |
776 | EFI_PHYSICAL_ADDRESS PhysEntryPoint; | |
777 | ||
778 | Status = SecUnixPeiLoadFile (Pe32Data, &ImageAddress, &ImageSize, &PhysEntryPoint); | |
779 | ||
780 | *EntryPoint = (VOID *)(UINTN)PhysEntryPoint; | |
781 | return Status; | |
782 | } | |
783 | ||
784 | ||
785 | ||
804405e7 | 786 | EFI_STATUS |
787 | EFIAPI | |
ccd55824 | 788 | SecUnixFdAddress ( |
804405e7 | 789 | IN UINTN Index, |
790 | IN OUT EFI_PHYSICAL_ADDRESS *FdBase, | |
7ee3b613 A |
791 | IN OUT UINT64 *FdSize, |
792 | IN OUT EFI_PHYSICAL_ADDRESS *FixUp | |
804405e7 | 793 | ) |
794 | /*++ | |
795 | ||
796 | Routine Description: | |
797 | Return the FD Size and base address. Since the FD is loaded from a | |
798 | file into host memory only the SEC will know it's address. | |
799 | ||
800 | Arguments: | |
801 | Index - Which FD, starts at zero. | |
802 | FdSize - Size of the FD in bytes | |
803 | FdBase - Start address of the FD. Assume it points to an FV Header | |
7ee3b613 | 804 | FixUp - Difference between actual FD address and build address |
804405e7 | 805 | |
806 | Returns: | |
807 | EFI_SUCCESS - Return the Base address and size of the FV | |
808 | EFI_UNSUPPORTED - Index does nto map to an FD in the system | |
809 | ||
810 | --*/ | |
811 | { | |
812 | if (Index >= gFdInfoCount) { | |
813 | return EFI_UNSUPPORTED; | |
814 | } | |
815 | ||
816 | *FdBase = gFdInfo[Index].Address; | |
817 | *FdSize = gFdInfo[Index].Size; | |
7ee3b613 | 818 | *FixUp = 0; |
804405e7 | 819 | |
820 | if (*FdBase == 0 && *FdSize == 0) { | |
821 | return EFI_UNSUPPORTED; | |
822 | } | |
823 | ||
7ee3b613 A |
824 | if (Index == 0) { |
825 | // | |
826 | // FD 0 has XIP code and well known PCD values | |
827 | // If the memory buffer could not be allocated at the FD build address | |
828 | // the Fixup is the difference. | |
829 | // | |
b9c8e50e | 830 | *FixUp = *FdBase - PcdGet64 (PcdUnixFdBaseAddress); |
7ee3b613 A |
831 | } |
832 | ||
804405e7 | 833 | return EFI_SUCCESS; |
834 | } | |
835 | ||
836 | EFI_STATUS | |
837 | EFIAPI | |
838 | SecImageRead ( | |
839 | IN VOID *FileHandle, | |
840 | IN UINTN FileOffset, | |
841 | IN OUT UINTN *ReadSize, | |
842 | OUT VOID *Buffer | |
843 | ) | |
844 | /*++ | |
845 | ||
846 | Routine Description: | |
847 | Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file | |
848 | ||
849 | Arguments: | |
850 | FileHandle - The handle to the PE/COFF file | |
851 | FileOffset - The offset, in bytes, into the file to read | |
852 | ReadSize - The number of bytes to read from the file starting at FileOffset | |
853 | Buffer - A pointer to the buffer to read the data into. | |
854 | ||
855 | Returns: | |
856 | EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset | |
857 | ||
858 | --*/ | |
859 | { | |
860 | CHAR8 *Destination8; | |
861 | CHAR8 *Source8; | |
862 | UINTN Length; | |
863 | ||
864 | Destination8 = Buffer; | |
865 | Source8 = (CHAR8 *) ((UINTN) FileHandle + FileOffset); | |
866 | Length = *ReadSize; | |
867 | while (Length--) { | |
868 | *(Destination8++) = *(Source8++); | |
869 | } | |
870 | ||
871 | return EFI_SUCCESS; | |
872 | } | |
873 | ||
874 | UINTN | |
875 | CountSeperatorsInString ( | |
876 | IN const CHAR16 *String, | |
877 | IN CHAR16 Seperator | |
878 | ) | |
879 | /*++ | |
880 | ||
881 | Routine Description: | |
882 | Count the number of seperators in String | |
883 | ||
884 | Arguments: | |
885 | String - String to process | |
886 | Seperator - Item to count | |
887 | ||
888 | Returns: | |
889 | Number of Seperator in String | |
890 | ||
891 | --*/ | |
892 | { | |
893 | UINTN Count; | |
894 | ||
895 | for (Count = 0; *String != '\0'; String++) { | |
896 | if (*String == Seperator) { | |
897 | Count++; | |
898 | } | |
899 | } | |
900 | ||
901 | return Count; | |
902 | } | |
903 | ||
904 | ||
ccd55824 | 905 | EFI_STATUS |
906 | AddHandle ( | |
907 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext, | |
908 | IN VOID *ModHandle | |
909 | ) | |
910 | /*++ | |
911 | ||
912 | Routine Description: | |
913 | Store the ModHandle in an array indexed by the Pdb File name. | |
914 | The ModHandle is needed to unload the image. | |
915 | ||
916 | Arguments: | |
917 | ImageContext - Input data returned from PE Laoder Library. Used to find the | |
918 | .PDB file name of the PE Image. | |
919 | ModHandle - Returned from LoadLibraryEx() and stored for call to | |
920 | FreeLibrary(). | |
921 | ||
922 | Returns: | |
923 | EFI_SUCCESS - ModHandle was stored. | |
924 | ||
925 | --*/ | |
926 | { | |
927 | UINTN Index; | |
928 | IMAGE_CONTEXT_TO_MOD_HANDLE *Array; | |
929 | UINTN PreviousSize; | |
930 | ||
931 | ||
932 | Array = mImageContextModHandleArray; | |
933 | for (Index = 0; Index < mImageContextModHandleArraySize; Index++, Array++) { | |
934 | if (Array->ImageContext == NULL) { | |
935 | // | |
936 | // Make a copy of the stirng and store the ModHandle | |
937 | // | |
938 | Array->ImageContext = ImageContext; | |
939 | Array->ModHandle = ModHandle; | |
940 | return EFI_SUCCESS; | |
941 | } | |
942 | } | |
943 | ||
944 | // | |
945 | // No free space in mImageContextModHandleArray so grow it by | |
946 | // IMAGE_CONTEXT_TO_MOD_HANDLE entires. realloc will | |
947 | // copy the old values to the new locaiton. But it does | |
948 | // not zero the new memory area. | |
949 | // | |
950 | PreviousSize = mImageContextModHandleArraySize * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE); | |
951 | mImageContextModHandleArraySize += MAX_IMAGE_CONTEXT_TO_MOD_HANDLE_ARRAY_SIZE; | |
952 | ||
953 | mImageContextModHandleArray = realloc (mImageContextModHandleArray, mImageContextModHandleArraySize * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE)); | |
954 | if (mImageContextModHandleArray == NULL) { | |
955 | ASSERT (FALSE); | |
956 | return EFI_OUT_OF_RESOURCES; | |
957 | } | |
958 | ||
959 | memset (mImageContextModHandleArray + PreviousSize, 0, MAX_IMAGE_CONTEXT_TO_MOD_HANDLE_ARRAY_SIZE * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE)); | |
960 | ||
961 | return AddHandle (ImageContext, ModHandle); | |
962 | } | |
963 | ||
964 | ||
965 | VOID * | |
966 | RemoveHandle ( | |
967 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext | |
968 | ) | |
969 | /*++ | |
970 | ||
971 | Routine Description: | |
972 | Return the ModHandle and delete the entry in the array. | |
973 | ||
974 | Arguments: | |
975 | ImageContext - Input data returned from PE Laoder Library. Used to find the | |
976 | .PDB file name of the PE Image. | |
977 | ||
978 | Returns: | |
979 | ModHandle - ModHandle assoicated with ImageContext is returned | |
980 | NULL - No ModHandle associated with ImageContext | |
981 | ||
982 | --*/ | |
983 | { | |
984 | UINTN Index; | |
985 | IMAGE_CONTEXT_TO_MOD_HANDLE *Array; | |
986 | ||
987 | if (ImageContext->PdbPointer == NULL) { | |
988 | // | |
989 | // If no PDB pointer there is no ModHandle so return NULL | |
990 | // | |
991 | return NULL; | |
992 | } | |
993 | ||
994 | Array = mImageContextModHandleArray; | |
995 | for (Index = 0; Index < mImageContextModHandleArraySize; Index++, Array++) { | |
996 | if ((Array->ImageContext == ImageContext)) { | |
997 | // | |
998 | // If you find a match return it and delete the entry | |
999 | // | |
1000 | Array->ImageContext = NULL; | |
1001 | return Array->ModHandle; | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | return NULL; | |
1006 | } | |
1007 | ||
1008 | ||
1009 | ||
1010 | // | |
1011 | // Target for gdb breakpoint in a script that uses gGdbWorkingFileName to source a | |
1012 | // add-symbol-file command. Hey what can you say scripting in gdb is not that great.... | |
1013 | // | |
1014 | // Put .gdbinit in the CWD where you do gdb SecMain.dll for source level debug | |
1015 | // | |
1016 | // cat .gdbinit | |
1017 | // b SecGdbScriptBreak | |
1018 | // command | |
1019 | // silent | |
1020 | // source SecMain.dll.gdb | |
1021 | // c | |
1022 | // end | |
1023 | // | |
1024 | VOID | |
1025 | SecGdbScriptBreak ( | |
1026 | VOID | |
1027 | ) | |
1028 | { | |
1029 | } | |
804405e7 | 1030 | |
804405e7 | 1031 | VOID |
1032 | SecUnixLoaderBreak ( | |
1033 | VOID | |
1034 | ) | |
1035 | { | |
1036 | } | |
1037 | ||
ccd55824 | 1038 | BOOLEAN |
1039 | IsPdbFile ( | |
1040 | IN CHAR8 *PdbFileName | |
1041 | ) | |
1042 | { | |
1043 | UINTN Len; | |
1044 | ||
1045 | if (PdbFileName == NULL) { | |
1046 | return FALSE; | |
1047 | } | |
1048 | ||
1049 | Len = strlen (PdbFileName); | |
1050 | if ((Len < 5)|| (PdbFileName[Len - 4] != '.')) { | |
1051 | return FALSE; | |
1052 | } | |
1053 | ||
1054 | if ((PdbFileName[Len - 3] == 'P' || PdbFileName[Len - 3] == 'p') && | |
1055 | (PdbFileName[Len - 2] == 'D' || PdbFileName[Len - 2] == 'd') && | |
1056 | (PdbFileName[Len - 1] == 'B' || PdbFileName[Len - 1] == 'b')) { | |
1057 | return TRUE; | |
1058 | } | |
1059 | ||
1060 | return FALSE; | |
1061 | } | |
1062 | ||
1063 | ||
1064 | #define MAX_SPRINT_BUFFER_SIZE 0x200 | |
1065 | ||
1066 | void | |
1067 | PrintLoadAddress ( | |
1068 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext | |
1069 | ) | |
1070 | { | |
1071 | fprintf (stderr, | |
1072 | "0x%08lx Loading %s with entry point 0x%08lx\n", | |
67f86803 | 1073 | (unsigned long)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders), |
ccd55824 | 1074 | ImageContext->PdbPointer, |
1075 | (unsigned long)ImageContext->EntryPoint | |
1076 | ); | |
1077 | ||
1078 | // Keep output synced up | |
1079 | fflush (stderr); | |
1080 | } | |
1081 | ||
1082 | ||
1083 | VOID | |
804405e7 | 1084 | EFIAPI |
ccd55824 | 1085 | SecPeCoffRelocateImageExtraAction ( |
804405e7 | 1086 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext |
1087 | ) | |
1088 | { | |
ccd55824 | 1089 | |
1090 | #ifdef __APPLE__ | |
1091 | PrintLoadAddress (ImageContext); | |
1092 | ||
1093 | // | |
1094 | // In mach-o (OS X executable) dlopen() can only load files in the MH_DYLIB of MH_BUNDLE format. | |
1095 | // To convert to PE/COFF we need to construct a mach-o with the MH_PRELOAD format. We create | |
1096 | // .dSYM files for the PE/COFF images that can be used by gdb for source level debugging. | |
1097 | // | |
1098 | FILE *GdbTempFile; | |
1099 | ||
1100 | // | |
1101 | // In the Mach-O to PE/COFF conversion the size of the PE/COFF headers is not accounted for. | |
1102 | // Thus we need to skip over the PE/COFF header when giving load addresses for our symbol table. | |
1103 | // | |
1104 | if (ImageContext->PdbPointer != NULL && !IsPdbFile (ImageContext->PdbPointer)) { | |
1105 | // | |
1106 | // Now we have a database of the images that are currently loaded | |
1107 | // | |
1108 | ||
1109 | // | |
1110 | // 'symbol-file' will clear out currnet symbol mappings in gdb. | |
1111 | // you can do a 'add-symbol-file filename address' for every image we loaded to get source | |
1112 | // level debug in gdb. Note Sec, being a true application will work differently. | |
1113 | // | |
1114 | // We add the PE/COFF header size into the image as the mach-O does not have a header in | |
1115 | // loaded into system memory. | |
1116 | // | |
1117 | // This gives us a data base of gdb commands and after something is unloaded that entry will be | |
1118 | // removed. We don't yet have the scheme of how to comunicate with gdb, but we have the | |
1119 | // data base of info ready to roll. | |
1120 | // | |
1121 | // We could use qXfer:libraries:read, but OS X GDB does not currently support it. | |
1122 | // <library-list> | |
1123 | // <library name="/lib/libc.so.6"> // ImageContext->PdbPointer | |
1124 | // <segment address="0x10000000"/> // ImageContext->ImageAddress + ImageContext->SizeOfHeaders | |
1125 | // </library> | |
1126 | // </library-list> | |
1127 | // | |
1128 | ||
1129 | // | |
1130 | // Write the file we need for the gdb script | |
1131 | // | |
1132 | GdbTempFile = fopen (gGdbWorkingFileName, "w"); | |
1133 | if (GdbTempFile != NULL) { | |
d34689b4 | 1134 | fprintf (GdbTempFile, "add-symbol-file %s 0x%08lx\n", ImageContext->PdbPointer, (long unsigned int)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders)); |
ccd55824 | 1135 | fclose (GdbTempFile); |
1136 | ||
1137 | // | |
1138 | // Target for gdb breakpoint in a script that uses gGdbWorkingFileName to set a breakpoint. | |
1139 | // Hey what can you say scripting in gdb is not that great.... | |
1140 | // | |
1141 | SecGdbScriptBreak (); | |
1142 | } | |
1143 | ||
1144 | AddHandle (ImageContext, ImageContext->PdbPointer); | |
1145 | ||
1146 | } | |
1147 | ||
1148 | #else | |
1149 | ||
1150 | void *Handle = NULL; | |
1151 | void *Entry = NULL; | |
1152 | ||
804405e7 | 1153 | fprintf (stderr, |
1154 | "Loading %s 0x%08lx - entry point 0x%08lx\n", | |
1155 | ImageContext->PdbPointer, | |
1156 | (unsigned long)ImageContext->ImageAddress, | |
1157 | (unsigned long)ImageContext->EntryPoint); | |
1158 | ||
7ee3b613 | 1159 | Handle = dlopen (ImageContext->PdbPointer, RTLD_NOW); |
865c7e17 | 1160 | |
1161 | if (Handle) { | |
7ee3b613 | 1162 | Entry = dlsym (Handle, "_ModuleEntryPoint"); |
865c7e17 | 1163 | } else { |
1164 | printf("%s\n", dlerror()); | |
1165 | } | |
1166 | ||
1167 | if (Entry != NULL) { | |
ccd55824 | 1168 | ImageContext->EntryPoint = (UINTN)Entry; |
1169 | printf("Change %s Entrypoint to :0x%08lx\n", ImageContext->PdbPointer, (unsigned long)Entry); | |
865c7e17 | 1170 | } |
1171 | ||
804405e7 | 1172 | SecUnixLoaderBreak (); |
1173 | ||
ccd55824 | 1174 | #endif |
1175 | ||
1176 | return; | |
804405e7 | 1177 | } |
1178 | ||
1179 | ||
ccd55824 | 1180 | VOID |
804405e7 | 1181 | EFIAPI |
ccd55824 | 1182 | SecPeCoffLoaderUnloadImageExtraAction ( |
804405e7 | 1183 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext |
1184 | ) | |
1185 | { | |
ccd55824 | 1186 | VOID *Handle; |
1187 | ||
1188 | Handle = RemoveHandle (ImageContext); | |
1189 | ||
1190 | #ifdef __APPLE__ | |
1191 | FILE *GdbTempFile; | |
1192 | ||
1193 | if (Handle != NULL) { | |
1194 | // | |
1195 | // Need to skip .PDB files created from VC++ | |
1196 | // | |
1197 | if (!IsPdbFile (ImageContext->PdbPointer)) { | |
1198 | // | |
1199 | // Write the file we need for the gdb script | |
1200 | // | |
1201 | GdbTempFile = fopen (gGdbWorkingFileName, "w"); | |
1202 | if (GdbTempFile != NULL) { | |
1203 | fprintf (GdbTempFile, "remove-symbol-file %s\n", ImageContext->PdbPointer); | |
1204 | fclose (GdbTempFile); | |
1205 | ||
1206 | // | |
1207 | // Target for gdb breakpoint in a script that uses gGdbWorkingFileName to set a breakpoint. | |
1208 | // Hey what can you say scripting in gdb is not that great.... | |
1209 | // | |
1210 | SecGdbScriptBreak (); | |
1211 | } | |
1212 | } | |
1213 | } | |
1214 | ||
1215 | #else | |
1216 | // | |
1217 | // Don't want to confuse gdb with symbols for something that got unloaded | |
1218 | // | |
1219 | if (Handle != NULL) { | |
1220 | dlclose (Handle); | |
1221 | } | |
1222 | ||
1223 | #endif | |
1224 | return; | |
804405e7 | 1225 | } |
1226 | ||
1227 | VOID | |
1228 | ModuleEntryPoint ( | |
1229 | VOID | |
1230 | ) | |
1231 | { | |
1232 | } | |
1233 | ||
1234 | EFI_STATUS | |
1235 | EFIAPI | |
1236 | SecTemporaryRamSupport ( | |
1237 | IN CONST EFI_PEI_SERVICES **PeiServices, | |
1238 | IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase, | |
1239 | IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase, | |
1240 | IN UINTN CopySize | |
1241 | ) | |
1242 | { | |
1243 | // | |
1244 | // Migrate the whole temporary memory to permenent memory. | |
1245 | // | |
1246 | CopyMem ( | |
1247 | (VOID*)(UINTN)PermanentMemoryBase, | |
1248 | (VOID*)(UINTN)TemporaryMemoryBase, | |
1249 | CopySize | |
1250 | ); | |
1251 | ||
1252 | // | |
1253 | // SecSwitchStack function must be invoked after the memory migration | |
1254 | // immediatly, also we need fixup the stack change caused by new call into | |
1255 | // permenent memory. | |
1256 | // | |
1257 | SecSwitchStack ( | |
1258 | (UINT32) TemporaryMemoryBase, | |
1259 | (UINT32) PermanentMemoryBase | |
1260 | ); | |
1261 | ||
1262 | // | |
1263 | // We need *not* fix the return address because currently, | |
1264 | // The PeiCore is excuted in flash. | |
1265 | // | |
1266 | ||
1267 | // | |
1fd8c31a | 1268 | // Simulate to invalid temporary memory, terminate temporary memory |
804405e7 | 1269 | // |
1270 | //ZeroMem ((VOID*)(UINTN)TemporaryMemoryBase, CopySize); | |
1271 | ||
1272 | return EFI_SUCCESS; | |
1273 | } |