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58f89bb1 JJ |
1 | /*++ @file\r |
2 | \r | |
3 | Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r | |
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 | |
12 | #define MAP_ANONYMOUS MAP_ANON\r | |
13 | #endif\r | |
14 | \r | |
15 | \r | |
16 | //\r | |
17 | // Globals\r | |
18 | //\r | |
19 | \r | |
20 | EMU_THUNK_PPI mSecEmuThunkPpi = {\r | |
21 | GasketSecUnixPeiAutoScan,\r | |
22 | GasketSecUnixFdAddress,\r | |
23 | GasketSecEmuThunkAddress\r | |
24 | };\r | |
25 | \r | |
26 | char *gGdbWorkingFileName = NULL;\r | |
27 | unsigned int mScriptSymbolChangesCount = 0;\r | |
28 | \r | |
29 | \r | |
30 | //\r | |
31 | // Default information about where the FD is located.\r | |
32 | // This array gets filled in with information from EFI_FIRMWARE_VOLUMES\r | |
33 | // EFI_FIRMWARE_VOLUMES is a host environment variable set by system.cmd.\r | |
34 | // The number of array elements is allocated base on parsing\r | |
35 | // EFI_FIRMWARE_VOLUMES and the memory is never freed.\r | |
36 | //\r | |
37 | UINTN gFdInfoCount = 0;\r | |
38 | EMU_FD_INFO *gFdInfo;\r | |
39 | \r | |
40 | //\r | |
26cfe2c6 | 41 | // Array that supports separate memory ranges.\r |
58f89bb1 JJ |
42 | // The memory ranges are set in system.cmd via the EFI_MEMORY_SIZE variable.\r |
43 | // The number of array elements is allocated base on parsing\r | |
44 | // EFI_MEMORY_SIZE and the memory is never freed.\r | |
45 | //\r | |
46 | UINTN gSystemMemoryCount = 0;\r | |
47 | EMU_SYSTEM_MEMORY *gSystemMemory;\r | |
48 | \r | |
49 | \r | |
50 | \r | |
51 | UINTN mImageContextModHandleArraySize = 0;\r | |
52 | IMAGE_CONTEXT_TO_MOD_HANDLE *mImageContextModHandleArray = NULL;\r | |
53 | \r | |
54 | EFI_PEI_PPI_DESCRIPTOR *gPpiList;\r | |
55 | \r | |
56 | \r | |
57 | int gInXcode = 0;\r | |
58 | \r | |
59 | \r | |
60 | /*++\r | |
61 | Breakpoint target for Xcode project. Set in the Xcode XML\r | |
62 | \r | |
63 | Xcode breakpoint will 'source Host.gdb'\r | |
64 | gGdbWorkingFileName is set to Host.gdb\r | |
65 | \r | |
66 | **/\r | |
67 | VOID\r | |
68 | SecGdbConfigBreak (\r | |
69 | VOID\r | |
70 | )\r | |
71 | {\r | |
72 | }\r | |
73 | \r | |
74 | \r | |
75 | \r | |
76 | /*++\r | |
77 | \r | |
78 | Routine Description:\r | |
79 | Main entry point to SEC for Unix. This is a unix program\r | |
80 | \r | |
81 | Arguments:\r | |
82 | Argc - Number of command line arguments\r | |
83 | Argv - Array of command line argument strings\r | |
afa99fac | 84 | Envp - Array of environment variable strings\r |
58f89bb1 JJ |
85 | \r |
86 | Returns:\r | |
87 | 0 - Normal exit\r | |
88 | 1 - Abnormal exit\r | |
89 | \r | |
90 | **/\r | |
91 | int\r | |
92 | main (\r | |
93 | IN int Argc,\r | |
94 | IN char **Argv,\r | |
95 | IN char **Envp\r | |
96 | )\r | |
97 | {\r | |
98 | EFI_STATUS Status;\r | |
99 | EFI_PHYSICAL_ADDRESS InitialStackMemory;\r | |
100 | UINT64 InitialStackMemorySize;\r | |
101 | UINTN Index;\r | |
102 | UINTN Index1;\r | |
103 | UINTN Index2;\r | |
104 | UINTN PeiIndex;\r | |
105 | CHAR8 *FileName;\r | |
106 | BOOLEAN Done;\r | |
107 | EFI_PEI_FILE_HANDLE FileHandle;\r | |
108 | VOID *SecFile;\r | |
109 | CHAR16 *MemorySizeStr;\r | |
110 | CHAR16 *FirmwareVolumesStr;\r | |
111 | UINTN *StackPointer;\r | |
112 | FILE *GdbTempFile;\r | |
113 | \r | |
114 | //\r | |
115 | // Xcode does not support sourcing gdb scripts directly, so the Xcode XML\r | |
eb33b399 | 116 | // has a break point script to source the GdbRun.sh script.\r |
58f89bb1 JJ |
117 | //\r |
118 | SecGdbConfigBreak ();\r | |
119 | \r | |
120 | //\r | |
121 | // If dlopen doesn't work, then we build a gdb script to allow the\r | |
122 | // symbols to be loaded.\r | |
123 | //\r | |
124 | Index = strlen (*Argv);\r | |
125 | gGdbWorkingFileName = AllocatePool (Index + strlen(".gdb") + 1);\r | |
126 | strcpy (gGdbWorkingFileName, *Argv);\r | |
127 | strcat (gGdbWorkingFileName, ".gdb");\r | |
128 | \r | |
129 | //\r | |
130 | // Empty out the gdb symbols script file.\r | |
131 | //\r | |
132 | GdbTempFile = fopen (gGdbWorkingFileName, "w");\r | |
133 | if (GdbTempFile != NULL) {\r | |
134 | fclose (GdbTempFile);\r | |
135 | }\r | |
136 | \r | |
dff5a05b | 137 | printf ("\nEDK II UNIX Host Emulation Environment from http://www.tianocore.org/edk2/\n");\r |
58f89bb1 JJ |
138 | \r |
139 | setbuf (stdout, 0);\r | |
140 | setbuf (stderr, 0);\r | |
141 | \r | |
142 | MemorySizeStr = (CHAR16 *) PcdGetPtr (PcdEmuMemorySize);\r | |
143 | FirmwareVolumesStr = (CHAR16 *) PcdGetPtr (PcdEmuFirmwareVolume);\r | |
144 | \r | |
145 | //\r | |
146 | // PPIs pased into PEI_CORE\r | |
147 | //\r | |
148 | AddThunkPpi (EFI_PEI_PPI_DESCRIPTOR_PPI, &gEmuThunkPpiGuid, &mSecEmuThunkPpi);\r | |
149 | \r | |
150 | SecInitThunkProtocol ();\r | |
151 | \r | |
152 | //\r | |
153 | // Emulator Bus Driver Thunks\r | |
154 | //\r | |
155 | AddThunkProtocol (&gX11ThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuGop), TRUE);\r | |
156 | AddThunkProtocol (&gPosixFileSystemThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuFileSystem), TRUE);\r | |
157 | AddThunkProtocol (&gBlockIoThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuVirtualDisk), TRUE);\r | |
158 | AddThunkProtocol (&gSnpThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuNetworkInterface), TRUE);\r | |
159 | \r | |
160 | //\r | |
161 | // Emulator other Thunks\r | |
162 | //\r | |
163 | AddThunkProtocol (&gPthreadThunkIo, (CHAR16 *)PcdGetPtr (PcdEmuApCount), FALSE);\r | |
164 | \r | |
165 | // EmuSecLibConstructor ();\r | |
166 | \r | |
167 | gPpiList = GetThunkPpiList ();\r | |
168 | \r | |
169 | //\r | |
170 | // Allocate space for gSystemMemory Array\r | |
171 | //\r | |
afa99fac | 172 | gSystemMemoryCount = CountSeparatorsInString (MemorySizeStr, '!') + 1;\r |
58f89bb1 JJ |
173 | gSystemMemory = AllocateZeroPool (gSystemMemoryCount * sizeof (EMU_SYSTEM_MEMORY));\r |
174 | if (gSystemMemory == NULL) {\r | |
175 | printf ("ERROR : Can not allocate memory for system. Exiting.\n");\r | |
176 | exit (1);\r | |
177 | }\r | |
178 | //\r | |
179 | // Allocate space for gSystemMemory Array\r | |
180 | //\r | |
afa99fac | 181 | gFdInfoCount = CountSeparatorsInString (FirmwareVolumesStr, '!') + 1;\r |
58f89bb1 JJ |
182 | gFdInfo = AllocateZeroPool (gFdInfoCount * sizeof (EMU_FD_INFO));\r |
183 | if (gFdInfo == NULL) {\r | |
184 | printf ("ERROR : Can not allocate memory for fd info. Exiting.\n");\r | |
185 | exit (1);\r | |
186 | }\r | |
187 | \r | |
188 | printf (" BootMode 0x%02x\n", (unsigned int)PcdGet32 (PcdEmuBootMode));\r | |
189 | \r | |
190 | //\r | |
191 | // Open up a 128K file to emulate temp memory for SEC.\r | |
192 | // on a real platform this would be SRAM, or using the cache as RAM.\r | |
193 | // Set InitialStackMemory to zero so UnixOpenFile will allocate a new mapping\r | |
194 | //\r | |
195 | InitialStackMemorySize = STACK_SIZE;\r | |
196 | InitialStackMemory = (UINTN)MapMemory (\r | |
197 | 0, (UINT32) InitialStackMemorySize,\r | |
198 | PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS | MAP_PRIVATE\r | |
199 | );\r | |
200 | if (InitialStackMemory == 0) {\r | |
201 | printf ("ERROR : Can not open SecStack Exiting\n");\r | |
202 | exit (1);\r | |
203 | }\r | |
204 | \r | |
205 | printf (" OS Emulator passing in %u KB of temp RAM at 0x%08lx to SEC\n",\r | |
206 | (unsigned int)(InitialStackMemorySize / 1024),\r | |
207 | (unsigned long)InitialStackMemory\r | |
208 | );\r | |
209 | \r | |
210 | for (StackPointer = (UINTN*) (UINTN) InitialStackMemory;\r | |
211 | StackPointer < (UINTN*)(UINTN)((UINTN) InitialStackMemory + (UINT64) InitialStackMemorySize);\r | |
212 | StackPointer ++) {\r | |
213 | *StackPointer = 0x5AA55AA5;\r | |
214 | }\r | |
215 | \r | |
216 | //\r | |
217 | // Open All the firmware volumes and remember the info in the gFdInfo global\r | |
218 | //\r | |
219 | FileName = (CHAR8 *) AllocatePool (StrLen (FirmwareVolumesStr) + 1);\r | |
220 | if (FileName == NULL) {\r | |
221 | printf ("ERROR : Can not allocate memory for firmware volume string\n");\r | |
222 | exit (1);\r | |
223 | }\r | |
224 | \r | |
225 | Index2 = 0;\r | |
226 | for (Done = FALSE, Index = 0, PeiIndex = 0, SecFile = NULL;\r | |
227 | FirmwareVolumesStr[Index2] != 0;\r | |
228 | Index++) {\r | |
229 | for (Index1 = 0; (FirmwareVolumesStr[Index2] != '!') && (FirmwareVolumesStr[Index2] != 0); Index2++) {\r | |
230 | FileName[Index1++] = FirmwareVolumesStr[Index2];\r | |
231 | }\r | |
232 | if (FirmwareVolumesStr[Index2] == '!') {\r | |
233 | Index2++;\r | |
234 | }\r | |
235 | FileName[Index1] = '\0';\r | |
236 | \r | |
237 | if (Index == 0) {\r | |
238 | // Map FV Recovery Read Only and other areas Read/Write\r | |
239 | Status = MapFd0 (\r | |
240 | FileName,\r | |
241 | &gFdInfo[0].Address,\r | |
242 | &gFdInfo[0].Size\r | |
243 | );\r | |
244 | } else {\r | |
245 | //\r | |
afa99fac | 246 | // Open the FD and remember where it got mapped into our processes address space\r |
58f89bb1 JJ |
247 | // Maps Read Only\r |
248 | //\r | |
249 | Status = MapFile (\r | |
250 | FileName,\r | |
251 | &gFdInfo[Index].Address,\r | |
252 | &gFdInfo[Index].Size\r | |
253 | );\r | |
254 | }\r | |
255 | if (EFI_ERROR (Status)) {\r | |
256 | printf ("ERROR : Can not open Firmware Device File %s (%x). Exiting.\n", FileName, (unsigned int)Status);\r | |
257 | exit (1);\r | |
258 | }\r | |
259 | \r | |
260 | printf (" FD loaded from %s at 0x%08lx",FileName, (unsigned long)gFdInfo[Index].Address);\r | |
261 | \r | |
262 | if (SecFile == NULL) {\r | |
263 | //\r | |
264 | // Assume the beginning of the FD is an FV and look for the SEC Core.\r | |
265 | // Load the first one we find.\r | |
266 | //\r | |
267 | FileHandle = NULL;\r | |
268 | Status = PeiServicesFfsFindNextFile (\r | |
269 | EFI_FV_FILETYPE_SECURITY_CORE,\r | |
270 | (EFI_PEI_FV_HANDLE)(UINTN)gFdInfo[Index].Address,\r | |
271 | &FileHandle\r | |
272 | );\r | |
273 | if (!EFI_ERROR (Status)) {\r | |
274 | Status = PeiServicesFfsFindSectionData (EFI_SECTION_PE32, FileHandle, &SecFile);\r | |
275 | if (!EFI_ERROR (Status)) {\r | |
276 | PeiIndex = Index;\r | |
277 | printf (" contains SEC Core");\r | |
278 | }\r | |
279 | }\r | |
280 | }\r | |
281 | \r | |
282 | printf ("\n");\r | |
283 | }\r | |
284 | \r | |
285 | if (SecFile == NULL) {\r | |
286 | printf ("ERROR : SEC not found!\n");\r | |
287 | exit (1);\r | |
288 | }\r | |
289 | \r | |
290 | //\r | |
291 | // Calculate memory regions and store the information in the gSystemMemory\r | |
292 | // global for later use. The autosizing code will use this data to\r | |
293 | // map this memory into the SEC process memory space.\r | |
294 | //\r | |
295 | Index1 = 0;\r | |
296 | Index = 0;\r | |
297 | while (1) {\r | |
298 | UINTN val = 0;\r | |
299 | //\r | |
300 | // Save the size of the memory.\r | |
301 | //\r | |
302 | while (MemorySizeStr[Index1] >= '0' && MemorySizeStr[Index1] <= '9') {\r | |
303 | val = val * 10 + MemorySizeStr[Index1] - '0';\r | |
304 | Index1++;\r | |
305 | }\r | |
306 | gSystemMemory[Index++].Size = val * 0x100000;\r | |
307 | if (MemorySizeStr[Index1] == 0) {\r | |
308 | break;\r | |
309 | }\r | |
310 | Index1++;\r | |
311 | }\r | |
312 | \r | |
313 | printf ("\n");\r | |
314 | \r | |
315 | //\r | |
316 | // Hand off to SEC\r | |
317 | //\r | |
318 | SecLoadFromCore ((UINTN) InitialStackMemory, (UINTN) InitialStackMemorySize, (UINTN) gFdInfo[0].Address, SecFile);\r | |
319 | \r | |
320 | //\r | |
321 | // If we get here, then the SEC Core returned. This is an error as SEC should\r | |
322 | // always hand off to PEI Core and then on to DXE Core.\r | |
323 | //\r | |
324 | printf ("ERROR : SEC returned\n");\r | |
325 | exit (1);\r | |
326 | }\r | |
327 | \r | |
328 | \r | |
329 | EFI_PHYSICAL_ADDRESS *\r | |
330 | MapMemory (\r | |
331 | IN INTN fd,\r | |
332 | IN UINT64 length,\r | |
333 | IN INTN prot,\r | |
334 | IN INTN flags\r | |
335 | )\r | |
336 | {\r | |
337 | STATIC UINTN base = 0x40000000;\r | |
338 | CONST UINTN align = (1 << 24);\r | |
339 | VOID *res = NULL;\r | |
340 | BOOLEAN isAligned = 0;\r | |
341 | \r | |
342 | //\r | |
343 | // Try to get an aligned block somewhere in the address space of this\r | |
344 | // process.\r | |
345 | //\r | |
346 | while((!isAligned) && (base != 0)) {\r | |
347 | res = mmap ((void *)base, length, prot, flags, fd, 0);\r | |
348 | if (res == MAP_FAILED) {\r | |
349 | return NULL;\r | |
350 | }\r | |
351 | if ((((UINTN)res) & ~(align-1)) == (UINTN)res) {\r | |
352 | isAligned=1;\r | |
353 | } else {\r | |
354 | munmap(res, length);\r | |
355 | base += align;\r | |
356 | }\r | |
357 | }\r | |
358 | return res;\r | |
359 | }\r | |
360 | \r | |
361 | \r | |
362 | /*++\r | |
363 | \r | |
364 | Routine Description:\r | |
365 | Opens and memory maps a file using Unix services. If BaseAddress is non zero\r | |
366 | the process will try and allocate the memory starting at BaseAddress.\r | |
367 | \r | |
368 | Arguments:\r | |
369 | FileName - The name of the file to open and map\r | |
370 | MapSize - The amount of the file to map in bytes\r | |
371 | CreationDisposition - The flags to pass to CreateFile(). Use to create new files for\r | |
372 | memory emulation, and exiting files for firmware volume emulation\r | |
373 | BaseAddress - The base address of the mapped file in the user address space.\r | |
374 | If passed in as NULL the a new memory region is used.\r | |
375 | If passed in as non NULL the request memory region is used for\r | |
376 | the mapping of the file into the process space.\r | |
377 | Length - The size of the mapped region in bytes\r | |
378 | \r | |
379 | Returns:\r | |
380 | EFI_SUCCESS - The file was opened and mapped.\r | |
381 | EFI_NOT_FOUND - FileName was not found in the current directory\r | |
26cfe2c6 | 382 | EFI_DEVICE_ERROR - An error occurred attempting to map the opened file\r |
58f89bb1 JJ |
383 | \r |
384 | **/\r | |
385 | EFI_STATUS\r | |
386 | MapFile (\r | |
387 | IN CHAR8 *FileName,\r | |
388 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
389 | OUT UINT64 *Length\r | |
390 | )\r | |
391 | {\r | |
392 | int fd;\r | |
393 | VOID *res;\r | |
394 | UINTN FileSize;\r | |
395 | \r | |
396 | fd = open (FileName, O_RDWR);\r | |
397 | if (fd < 0) {\r | |
398 | return EFI_NOT_FOUND;\r | |
399 | }\r | |
400 | FileSize = lseek (fd, 0, SEEK_END);\r | |
401 | \r | |
402 | \r | |
403 | res = MapMemory (fd, FileSize, PROT_READ | PROT_EXEC, MAP_PRIVATE);\r | |
404 | \r | |
405 | close (fd);\r | |
406 | \r | |
407 | if (res == NULL) {\r | |
408 | perror ("MapFile() Failed");\r | |
409 | return EFI_DEVICE_ERROR;\r | |
410 | }\r | |
411 | \r | |
412 | *Length = (UINT64) FileSize;\r | |
413 | *BaseAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) res;\r | |
414 | \r | |
415 | return EFI_SUCCESS;\r | |
416 | }\r | |
417 | \r | |
418 | EFI_STATUS\r | |
419 | MapFd0 (\r | |
420 | IN CHAR8 *FileName,\r | |
421 | IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,\r | |
422 | OUT UINT64 *Length\r | |
423 | )\r | |
424 | {\r | |
425 | int fd;\r | |
426 | void *res, *res2, *res3;\r | |
427 | UINTN FileSize;\r | |
428 | UINTN FvSize;\r | |
429 | void *EmuMagicPage;\r | |
430 | \r | |
431 | fd = open (FileName, O_RDWR);\r | |
432 | if (fd < 0) {\r | |
433 | return EFI_NOT_FOUND;\r | |
434 | }\r | |
435 | FileSize = lseek (fd, 0, SEEK_END);\r | |
436 | \r | |
437 | FvSize = FixedPcdGet64 (PcdEmuFlashFvRecoverySize);\r | |
438 | \r | |
439 | // Assume start of FD is Recovery FV, and make it write protected\r | |
440 | res = mmap (\r | |
441 | (void *)(UINTN)FixedPcdGet64 (PcdEmuFlashFvRecoveryBase),\r | |
442 | FvSize,\r | |
443 | PROT_READ | PROT_EXEC,\r | |
444 | MAP_PRIVATE,\r | |
445 | fd,\r | |
446 | 0\r | |
447 | );\r | |
448 | if (res == MAP_FAILED) {\r | |
449 | perror ("MapFd0() Failed res =");\r | |
450 | close (fd);\r | |
451 | return EFI_DEVICE_ERROR;\r | |
452 | } else if (res != (void *)(UINTN)FixedPcdGet64 (PcdEmuFlashFvRecoveryBase)) {\r | |
453 | // We could not load at the build address, so we need to allow writes\r | |
454 | munmap (res, FvSize);\r | |
455 | res = mmap (\r | |
456 | (void *)(UINTN)FixedPcdGet64 (PcdEmuFlashFvRecoveryBase),\r | |
457 | FvSize,\r | |
458 | PROT_READ | PROT_WRITE | PROT_EXEC,\r | |
459 | MAP_PRIVATE,\r | |
460 | fd,\r | |
461 | 0\r | |
462 | );\r | |
463 | if (res == MAP_FAILED) {\r | |
464 | perror ("MapFd0() Failed res =");\r | |
465 | close (fd);\r | |
466 | return EFI_DEVICE_ERROR;\r | |
467 | }\r | |
468 | }\r | |
469 | \r | |
470 | // Map the rest of the FD as read/write\r | |
471 | res2 = mmap (\r | |
472 | (void *)(UINTN)(FixedPcdGet64 (PcdEmuFlashFvRecoveryBase) + FvSize),\r | |
473 | FileSize - FvSize,\r | |
474 | PROT_READ | PROT_WRITE | PROT_EXEC,\r | |
475 | MAP_SHARED,\r | |
476 | fd,\r | |
477 | FvSize\r | |
478 | );\r | |
479 | close (fd);\r | |
480 | if (res2 == MAP_FAILED) {\r | |
481 | perror ("MapFd0() Failed res2 =");\r | |
482 | return EFI_DEVICE_ERROR;\r | |
483 | }\r | |
484 | \r | |
485 | //\r | |
486 | // If enabled use the magic page to communicate between modules\r | |
487 | // This replaces the PI PeiServicesTable pointer mechanism that\r | |
488 | // deos not work in the emulator. It also allows the removal of\r | |
489 | // writable globals from SEC, PEI_CORE (libraries), PEIMs\r | |
490 | //\r | |
491 | EmuMagicPage = (void *)(UINTN)FixedPcdGet64 (PcdPeiServicesTablePage);\r | |
492 | if (EmuMagicPage != NULL) {\r | |
493 | res3 = mmap (\r | |
494 | (void *)EmuMagicPage,\r | |
495 | 4096,\r | |
496 | PROT_READ | PROT_WRITE,\r | |
497 | MAP_PRIVATE | MAP_ANONYMOUS,\r | |
498 | 0,\r | |
499 | 0\r | |
500 | );\r | |
501 | if (res3 != EmuMagicPage) {\r | |
502 | printf ("MapFd0(): Could not allocate PeiServicesTablePage @ %lx\n", (long unsigned int)EmuMagicPage);\r | |
503 | return EFI_DEVICE_ERROR;\r | |
504 | }\r | |
505 | }\r | |
506 | \r | |
507 | *Length = (UINT64) FileSize;\r | |
508 | *BaseAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) res;\r | |
509 | \r | |
510 | return EFI_SUCCESS;\r | |
511 | }\r | |
512 | \r | |
513 | \r | |
514 | /*++\r | |
515 | \r | |
516 | Routine Description:\r | |
517 | This is the service to load the SEC Core from the Firmware Volume\r | |
518 | \r | |
519 | Arguments:\r | |
520 | LargestRegion - Memory to use for SEC.\r | |
521 | LargestRegionSize - Size of Memory to use for PEI\r | |
522 | BootFirmwareVolumeBase - Start of the Boot FV\r | |
523 | PeiCorePe32File - SEC PE32\r | |
524 | \r | |
525 | Returns:\r | |
26cfe2c6 | 526 | Success means control is transferred and thus we should never return\r |
58f89bb1 JJ |
527 | \r |
528 | **/\r | |
529 | VOID\r | |
530 | SecLoadFromCore (\r | |
531 | IN UINTN LargestRegion,\r | |
532 | IN UINTN LargestRegionSize,\r | |
533 | IN UINTN BootFirmwareVolumeBase,\r | |
534 | IN VOID *PeiCorePe32File\r | |
535 | )\r | |
536 | {\r | |
537 | EFI_STATUS Status;\r | |
538 | EFI_PHYSICAL_ADDRESS TopOfMemory;\r | |
539 | VOID *TopOfStack;\r | |
540 | EFI_PHYSICAL_ADDRESS PeiCoreEntryPoint;\r | |
541 | EFI_SEC_PEI_HAND_OFF *SecCoreData;\r | |
542 | UINTN PeiStackSize;\r | |
543 | \r | |
544 | //\r | |
545 | // Compute Top Of Memory for Stack and PEI Core Allocations\r | |
546 | //\r | |
547 | TopOfMemory = LargestRegion + LargestRegionSize;\r | |
548 | PeiStackSize = (UINTN)RShiftU64((UINT64)STACK_SIZE,1);\r | |
549 | \r | |
550 | //\r | |
551 | // |-----------| <---- TemporaryRamBase + TemporaryRamSize\r | |
552 | // | Heap |\r | |
553 | // | |\r | |
554 | // |-----------| <---- StackBase / PeiTemporaryMemoryBase\r | |
555 | // | |\r | |
556 | // | Stack |\r | |
557 | // |-----------| <---- TemporaryRamBase\r | |
558 | //\r | |
559 | TopOfStack = (VOID *)(LargestRegion + PeiStackSize);\r | |
560 | TopOfMemory = LargestRegion + PeiStackSize;\r | |
561 | \r | |
562 | //\r | |
563 | // Reservet space for storing PeiCore's parament in stack.\r | |
564 | //\r | |
565 | TopOfStack = (VOID *)((UINTN)TopOfStack - sizeof (EFI_SEC_PEI_HAND_OFF) - CPU_STACK_ALIGNMENT);\r | |
566 | TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);\r | |
567 | \r | |
568 | \r | |
569 | //\r | |
570 | // Bind this information into the SEC hand-off state\r | |
571 | //\r | |
572 | SecCoreData = (EFI_SEC_PEI_HAND_OFF*)(UINTN) TopOfStack;\r | |
573 | SecCoreData->DataSize = sizeof(EFI_SEC_PEI_HAND_OFF);\r | |
574 | SecCoreData->BootFirmwareVolumeBase = (VOID*)BootFirmwareVolumeBase;\r | |
575 | SecCoreData->BootFirmwareVolumeSize = PcdGet32 (PcdEmuFirmwareFdSize);\r | |
576 | SecCoreData->TemporaryRamBase = (VOID*)(UINTN)LargestRegion;\r | |
577 | SecCoreData->TemporaryRamSize = STACK_SIZE;\r | |
578 | SecCoreData->StackBase = SecCoreData->TemporaryRamBase;\r | |
579 | SecCoreData->StackSize = PeiStackSize;\r | |
580 | SecCoreData->PeiTemporaryRamBase = (VOID*) ((UINTN) SecCoreData->TemporaryRamBase + PeiStackSize);\r | |
581 | SecCoreData->PeiTemporaryRamSize = STACK_SIZE - PeiStackSize;\r | |
582 | \r | |
583 | //\r | |
584 | // Find the SEC Core Entry Point\r | |
585 | //\r | |
586 | Status = SecPeCoffGetEntryPoint (PeiCorePe32File, (VOID **)&PeiCoreEntryPoint);\r | |
587 | if (EFI_ERROR (Status)) {\r | |
588 | return ;\r | |
589 | }\r | |
590 | \r | |
591 | //\r | |
592 | // Transfer control to the SEC Core\r | |
593 | //\r | |
594 | PeiSwitchStacks (\r | |
595 | (SWITCH_STACK_ENTRY_POINT) (UINTN) PeiCoreEntryPoint,\r | |
596 | SecCoreData,\r | |
597 | (VOID *)gPpiList,\r | |
598 | TopOfStack\r | |
599 | );\r | |
600 | //\r | |
601 | // If we get here, then the SEC Core returned. This is an error\r | |
602 | //\r | |
603 | return ;\r | |
604 | }\r | |
605 | \r | |
606 | \r | |
607 | /*++\r | |
608 | \r | |
609 | Routine Description:\r | |
610 | This service is called from Index == 0 until it returns EFI_UNSUPPORTED.\r | |
afa99fac | 611 | It allows discontinuous memory regions to be supported by the emulator.\r |
58f89bb1 JJ |
612 | It uses gSystemMemory[] and gSystemMemoryCount that were created by\r |
613 | parsing the host environment variable EFI_MEMORY_SIZE.\r | |
26cfe2c6 | 614 | The size comes from the variable and the address comes from the call to\r |
58f89bb1 JJ |
615 | UnixOpenFile.\r |
616 | \r | |
617 | Arguments:\r | |
618 | Index - Which memory region to use\r | |
619 | MemoryBase - Return Base address of memory region\r | |
620 | MemorySize - Return size in bytes of the memory region\r | |
621 | \r | |
622 | Returns:\r | |
623 | EFI_SUCCESS - If memory region was mapped\r | |
624 | EFI_UNSUPPORTED - If Index is not supported\r | |
625 | \r | |
626 | **/\r | |
627 | EFI_STATUS\r | |
628 | SecUnixPeiAutoScan (\r | |
629 | IN UINTN Index,\r | |
630 | OUT EFI_PHYSICAL_ADDRESS *MemoryBase,\r | |
631 | OUT UINT64 *MemorySize\r | |
632 | )\r | |
633 | {\r | |
634 | void *res;\r | |
635 | \r | |
636 | if (Index >= gSystemMemoryCount) {\r | |
637 | return EFI_UNSUPPORTED;\r | |
638 | }\r | |
639 | \r | |
640 | *MemoryBase = 0;\r | |
641 | res = MapMemory (\r | |
642 | 0, gSystemMemory[Index].Size,\r | |
643 | PROT_READ | PROT_WRITE | PROT_EXEC,\r | |
644 | MAP_PRIVATE | MAP_ANONYMOUS\r | |
645 | );\r | |
646 | if (res == MAP_FAILED) {\r | |
647 | return EFI_DEVICE_ERROR;\r | |
648 | }\r | |
649 | *MemorySize = gSystemMemory[Index].Size;\r | |
650 | *MemoryBase = (UINTN)res;\r | |
651 | gSystemMemory[Index].Memory = *MemoryBase;\r | |
652 | \r | |
653 | return EFI_SUCCESS;\r | |
654 | }\r | |
655 | \r | |
656 | \r | |
657 | /*++\r | |
658 | \r | |
659 | Routine Description:\r | |
660 | Check to see if an address range is in the EFI GCD memory map.\r | |
661 | \r | |
662 | This is all of GCD for system memory passed to DXE Core. FV\r | |
663 | mapping and other device mapped into system memory are not\r | |
26cfe2c6 | 664 | included in the check.\r |
58f89bb1 JJ |
665 | \r |
666 | Arguments:\r | |
667 | Index - Which memory region to use\r | |
668 | MemoryBase - Return Base address of memory region\r | |
669 | MemorySize - Return size in bytes of the memory region\r | |
670 | \r | |
671 | Returns:\r | |
672 | TRUE - Address is in the EFI GCD memory map\r | |
673 | FALSE - Address is NOT in memory map\r | |
674 | \r | |
675 | **/\r | |
676 | BOOLEAN\r | |
677 | EfiSystemMemoryRange (\r | |
678 | IN VOID *MemoryAddress\r | |
679 | )\r | |
680 | {\r | |
681 | UINTN Index;\r | |
682 | EFI_PHYSICAL_ADDRESS MemoryBase;\r | |
683 | \r | |
684 | MemoryBase = (EFI_PHYSICAL_ADDRESS)(UINTN)MemoryAddress;\r | |
685 | for (Index = 0; Index < gSystemMemoryCount; Index++) {\r | |
686 | if ((MemoryBase >= gSystemMemory[Index].Memory) &&\r | |
687 | (MemoryBase < (gSystemMemory[Index].Memory + gSystemMemory[Index].Size)) ) {\r | |
688 | return TRUE;\r | |
689 | }\r | |
690 | }\r | |
691 | \r | |
692 | return FALSE;\r | |
693 | }\r | |
694 | \r | |
695 | \r | |
696 | /*++\r | |
697 | \r | |
698 | Routine Description:\r | |
699 | Since the SEC is the only Unix program in stack it must export\r | |
afa99fac | 700 | an interface to do POSIX calls. gUnix is initialized in UnixThunk.c.\r |
58f89bb1 JJ |
701 | \r |
702 | Arguments:\r | |
703 | InterfaceSize - sizeof (EFI_WIN_NT_THUNK_PROTOCOL);\r | |
704 | InterfaceBase - Address of the gUnix global\r | |
705 | \r | |
706 | Returns:\r | |
707 | EFI_SUCCESS - Data returned\r | |
708 | \r | |
709 | **/\r | |
710 | VOID *\r | |
711 | SecEmuThunkAddress (\r | |
712 | VOID\r | |
713 | )\r | |
714 | {\r | |
715 | return &gEmuThunkProtocol;\r | |
716 | }\r | |
717 | \r | |
718 | \r | |
719 | \r | |
720 | RETURN_STATUS\r | |
721 | EFIAPI\r | |
722 | SecPeCoffGetEntryPoint (\r | |
723 | IN VOID *Pe32Data,\r | |
724 | IN OUT VOID **EntryPoint\r | |
725 | )\r | |
726 | {\r | |
727 | EFI_STATUS Status;\r | |
728 | PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;\r | |
729 | \r | |
730 | ZeroMem (&ImageContext, sizeof (ImageContext));\r | |
731 | ImageContext.Handle = Pe32Data;\r | |
732 | ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE) SecImageRead;\r | |
733 | \r | |
734 | Status = PeCoffLoaderGetImageInfo (&ImageContext);\r | |
735 | if (EFI_ERROR (Status)) {\r | |
736 | return Status;\r | |
737 | }\r | |
738 | \r | |
739 | if (ImageContext.ImageAddress != (UINTN)Pe32Data) {\r | |
740 | //\r | |
741 | // Relocate image to match the address where it resides\r | |
742 | //\r | |
743 | ImageContext.ImageAddress = (UINTN)Pe32Data;\r | |
744 | Status = PeCoffLoaderLoadImage (&ImageContext);\r | |
745 | if (EFI_ERROR (Status)) {\r | |
746 | return Status;\r | |
747 | }\r | |
748 | \r | |
749 | Status = PeCoffLoaderRelocateImage (&ImageContext);\r | |
750 | if (EFI_ERROR (Status)) {\r | |
751 | return Status;\r | |
752 | }\r | |
753 | } else {\r | |
754 | //\r | |
755 | // Or just return image entry point\r | |
756 | //\r | |
757 | ImageContext.PdbPointer = PeCoffLoaderGetPdbPointer (Pe32Data);\r | |
758 | Status = PeCoffLoaderGetEntryPoint (Pe32Data, EntryPoint);\r | |
759 | if (EFI_ERROR (Status)) {\r | |
760 | return Status;\r | |
761 | }\r | |
762 | ImageContext.EntryPoint = (UINTN)*EntryPoint;\r | |
763 | }\r | |
764 | \r | |
765 | // On Unix a dlopen is done that will change the entry point\r | |
766 | SecPeCoffRelocateImageExtraAction (&ImageContext);\r | |
767 | *EntryPoint = (VOID *)(UINTN)ImageContext.EntryPoint;\r | |
768 | \r | |
769 | return Status;\r | |
770 | }\r | |
771 | \r | |
772 | \r | |
773 | \r | |
774 | /*++\r | |
775 | \r | |
776 | Routine Description:\r | |
777 | Return the FD Size and base address. Since the FD is loaded from a\r | |
26cfe2c6 | 778 | file into host memory only the SEC will know its address.\r |
58f89bb1 JJ |
779 | \r |
780 | Arguments:\r | |
781 | Index - Which FD, starts at zero.\r | |
782 | FdSize - Size of the FD in bytes\r | |
783 | FdBase - Start address of the FD. Assume it points to an FV Header\r | |
784 | FixUp - Difference between actual FD address and build address\r | |
785 | \r | |
786 | Returns:\r | |
787 | EFI_SUCCESS - Return the Base address and size of the FV\r | |
788 | EFI_UNSUPPORTED - Index does nto map to an FD in the system\r | |
789 | \r | |
790 | **/\r | |
791 | EFI_STATUS\r | |
792 | SecUnixFdAddress (\r | |
793 | IN UINTN Index,\r | |
794 | IN OUT EFI_PHYSICAL_ADDRESS *FdBase,\r | |
795 | IN OUT UINT64 *FdSize,\r | |
796 | IN OUT EFI_PHYSICAL_ADDRESS *FixUp\r | |
797 | )\r | |
798 | {\r | |
799 | if (Index >= gFdInfoCount) {\r | |
800 | return EFI_UNSUPPORTED;\r | |
801 | }\r | |
802 | \r | |
803 | *FdBase = gFdInfo[Index].Address;\r | |
804 | *FdSize = gFdInfo[Index].Size;\r | |
805 | *FixUp = 0;\r | |
806 | \r | |
807 | if (*FdBase == 0 && *FdSize == 0) {\r | |
808 | return EFI_UNSUPPORTED;\r | |
809 | }\r | |
810 | \r | |
811 | if (Index == 0) {\r | |
812 | //\r | |
813 | // FD 0 has XIP code and well known PCD values\r | |
814 | // If the memory buffer could not be allocated at the FD build address\r | |
815 | // the Fixup is the difference.\r | |
816 | //\r | |
817 | *FixUp = *FdBase - PcdGet64 (PcdEmuFdBaseAddress);\r | |
818 | }\r | |
819 | \r | |
820 | return EFI_SUCCESS;\r | |
821 | }\r | |
822 | \r | |
823 | \r | |
824 | /*++\r | |
825 | \r | |
826 | Routine Description:\r | |
afa99fac | 827 | Count the number of separators in String\r |
58f89bb1 JJ |
828 | \r |
829 | Arguments:\r | |
830 | String - String to process\r | |
afa99fac | 831 | Separator - Item to count\r |
58f89bb1 JJ |
832 | \r |
833 | Returns:\r | |
afa99fac | 834 | Number of Separator in String\r |
58f89bb1 JJ |
835 | \r |
836 | **/\r | |
837 | UINTN\r | |
afa99fac | 838 | CountSeparatorsInString (\r |
58f89bb1 | 839 | IN const CHAR16 *String,\r |
afa99fac | 840 | IN CHAR16 Separator\r |
58f89bb1 JJ |
841 | )\r |
842 | {\r | |
843 | UINTN Count;\r | |
844 | \r | |
845 | for (Count = 0; *String != '\0'; String++) {\r | |
afa99fac | 846 | if (*String == Separator) {\r |
58f89bb1 JJ |
847 | Count++;\r |
848 | }\r | |
849 | }\r | |
850 | \r | |
851 | return Count;\r | |
852 | }\r | |
853 | \r | |
854 | \r | |
855 | EFI_STATUS\r | |
856 | EFIAPI\r | |
857 | SecImageRead (\r | |
858 | IN VOID *FileHandle,\r | |
859 | IN UINTN FileOffset,\r | |
860 | IN OUT UINTN *ReadSize,\r | |
861 | OUT VOID *Buffer\r | |
862 | )\r | |
863 | /*++\r | |
864 | \r | |
865 | Routine Description:\r | |
866 | Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file\r | |
867 | \r | |
868 | Arguments:\r | |
869 | FileHandle - The handle to the PE/COFF file\r | |
870 | FileOffset - The offset, in bytes, into the file to read\r | |
871 | ReadSize - The number of bytes to read from the file starting at FileOffset\r | |
872 | Buffer - A pointer to the buffer to read the data into.\r | |
873 | \r | |
874 | Returns:\r | |
875 | EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset\r | |
876 | \r | |
877 | **/\r | |
878 | {\r | |
879 | CHAR8 *Destination8;\r | |
880 | CHAR8 *Source8;\r | |
881 | UINTN Length;\r | |
882 | \r | |
883 | Destination8 = Buffer;\r | |
884 | Source8 = (CHAR8 *) ((UINTN) FileHandle + FileOffset);\r | |
885 | Length = *ReadSize;\r | |
886 | while (Length--) {\r | |
887 | *(Destination8++) = *(Source8++);\r | |
888 | }\r | |
889 | \r | |
890 | return EFI_SUCCESS;\r | |
891 | }\r | |
892 | \r | |
893 | \r | |
894 | /*++\r | |
895 | \r | |
896 | Routine Description:\r | |
897 | Store the ModHandle in an array indexed by the Pdb File name.\r | |
898 | The ModHandle is needed to unload the image.\r | |
899 | \r | |
900 | Arguments:\r | |
26cfe2c6 | 901 | ImageContext - Input data returned from PE Loader Library. Used to find the\r |
58f89bb1 JJ |
902 | .PDB file name of the PE Image.\r |
903 | ModHandle - Returned from LoadLibraryEx() and stored for call to\r | |
904 | FreeLibrary().\r | |
905 | \r | |
906 | Returns:\r | |
907 | EFI_SUCCESS - ModHandle was stored.\r | |
908 | \r | |
909 | **/\r | |
910 | EFI_STATUS\r | |
911 | AddHandle (\r | |
912 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,\r | |
913 | IN VOID *ModHandle\r | |
914 | )\r | |
915 | {\r | |
916 | UINTN Index;\r | |
917 | IMAGE_CONTEXT_TO_MOD_HANDLE *Array;\r | |
918 | UINTN PreviousSize;\r | |
919 | \r | |
920 | \r | |
921 | Array = mImageContextModHandleArray;\r | |
922 | for (Index = 0; Index < mImageContextModHandleArraySize; Index++, Array++) {\r | |
923 | if (Array->ImageContext == NULL) {\r | |
924 | //\r | |
26cfe2c6 | 925 | // Make a copy of the string and store the ModHandle\r |
58f89bb1 JJ |
926 | //\r |
927 | Array->ImageContext = ImageContext;\r | |
928 | Array->ModHandle = ModHandle;\r | |
929 | return EFI_SUCCESS;\r | |
930 | }\r | |
931 | }\r | |
932 | \r | |
933 | //\r | |
934 | // No free space in mImageContextModHandleArray so grow it by\r | |
935 | // IMAGE_CONTEXT_TO_MOD_HANDLE entires. realloc will\r | |
26cfe2c6 | 936 | // copy the old values to the new location. But it does\r |
58f89bb1 JJ |
937 | // not zero the new memory area.\r |
938 | //\r | |
939 | PreviousSize = mImageContextModHandleArraySize * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE);\r | |
940 | mImageContextModHandleArraySize += MAX_IMAGE_CONTEXT_TO_MOD_HANDLE_ARRAY_SIZE;\r | |
941 | \r | |
942 | mImageContextModHandleArray = ReallocatePool (\r | |
943 | (mImageContextModHandleArraySize - 1) * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE),\r | |
944 | mImageContextModHandleArraySize * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE),\r | |
945 | mImageContextModHandleArray\r | |
946 | );\r | |
947 | if (mImageContextModHandleArray == NULL) {\r | |
948 | ASSERT (FALSE);\r | |
949 | return EFI_OUT_OF_RESOURCES;\r | |
950 | }\r | |
951 | \r | |
952 | memset (mImageContextModHandleArray + PreviousSize, 0, MAX_IMAGE_CONTEXT_TO_MOD_HANDLE_ARRAY_SIZE * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE));\r | |
953 | \r | |
954 | return AddHandle (ImageContext, ModHandle);\r | |
955 | }\r | |
956 | \r | |
957 | \r | |
958 | /*++\r | |
959 | \r | |
960 | Routine Description:\r | |
961 | Return the ModHandle and delete the entry in the array.\r | |
962 | \r | |
963 | Arguments:\r | |
26cfe2c6 | 964 | ImageContext - Input data returned from PE Loader Library. Used to find the\r |
58f89bb1 JJ |
965 | .PDB file name of the PE Image.\r |
966 | \r | |
967 | Returns:\r | |
26cfe2c6 | 968 | ModHandle - ModHandle associated with ImageContext is returned\r |
58f89bb1 JJ |
969 | NULL - No ModHandle associated with ImageContext\r |
970 | \r | |
971 | **/\r | |
972 | VOID *\r | |
973 | RemoveHandle (\r | |
974 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
975 | )\r | |
976 | {\r | |
977 | UINTN Index;\r | |
978 | IMAGE_CONTEXT_TO_MOD_HANDLE *Array;\r | |
979 | \r | |
980 | if (ImageContext->PdbPointer == NULL) {\r | |
981 | //\r | |
982 | // If no PDB pointer there is no ModHandle so return NULL\r | |
983 | //\r | |
984 | return NULL;\r | |
985 | }\r | |
986 | \r | |
987 | Array = mImageContextModHandleArray;\r | |
988 | for (Index = 0; Index < mImageContextModHandleArraySize; Index++, Array++) {\r | |
989 | if (Array->ImageContext == ImageContext) {\r | |
990 | //\r | |
991 | // If you find a match return it and delete the entry\r | |
992 | //\r | |
993 | Array->ImageContext = NULL;\r | |
994 | return Array->ModHandle;\r | |
995 | }\r | |
996 | }\r | |
997 | \r | |
998 | return NULL;\r | |
999 | }\r | |
1000 | \r | |
1001 | \r | |
1002 | \r | |
1003 | BOOLEAN\r | |
1004 | IsPdbFile (\r | |
1005 | IN CHAR8 *PdbFileName\r | |
1006 | )\r | |
1007 | {\r | |
1008 | UINTN Len;\r | |
1009 | \r | |
1010 | if (PdbFileName == NULL) {\r | |
1011 | return FALSE;\r | |
1012 | }\r | |
1013 | \r | |
1014 | Len = strlen (PdbFileName);\r | |
1015 | if ((Len < 5)|| (PdbFileName[Len - 4] != '.')) {\r | |
1016 | return FALSE;\r | |
1017 | }\r | |
1018 | \r | |
1019 | if ((PdbFileName[Len - 3] == 'P' || PdbFileName[Len - 3] == 'p') &&\r | |
1020 | (PdbFileName[Len - 2] == 'D' || PdbFileName[Len - 2] == 'd') &&\r | |
1021 | (PdbFileName[Len - 1] == 'B' || PdbFileName[Len - 1] == 'b')) {\r | |
1022 | return TRUE;\r | |
1023 | }\r | |
1024 | \r | |
1025 | return FALSE;\r | |
1026 | }\r | |
1027 | \r | |
1028 | \r | |
1029 | #define MAX_SPRINT_BUFFER_SIZE 0x200\r | |
1030 | \r | |
1031 | void\r | |
1032 | PrintLoadAddress (\r | |
1033 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
1034 | )\r | |
1035 | {\r | |
1036 | if (ImageContext->PdbPointer == NULL) {\r | |
1037 | fprintf (stderr,\r | |
1038 | "0x%08lx Loading NO DEBUG with entry point 0x%08lx\n",\r | |
1039 | (unsigned long)(ImageContext->ImageAddress),\r | |
1040 | (unsigned long)ImageContext->EntryPoint\r | |
1041 | );\r | |
1042 | } else {\r | |
1043 | fprintf (stderr,\r | |
1044 | "0x%08lx Loading %s with entry point 0x%08lx\n",\r | |
1045 | (unsigned long)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders),\r | |
1046 | ImageContext->PdbPointer,\r | |
1047 | (unsigned long)ImageContext->EntryPoint\r | |
1048 | );\r | |
1049 | }\r | |
1050 | // Keep output synced up\r | |
1051 | fflush (stderr);\r | |
1052 | }\r | |
1053 | \r | |
1054 | \r | |
1055 | /**\r | |
1056 | Loads the image using dlopen so symbols will be automatically\r | |
1057 | loaded by gdb.\r | |
1058 | \r | |
1059 | @param ImageContext The PE/COFF image context\r | |
1060 | \r | |
1061 | @retval TRUE - The image was successfully loaded\r | |
1062 | @retval FALSE - The image was successfully loaded\r | |
1063 | \r | |
1064 | **/\r | |
1065 | BOOLEAN\r | |
1066 | DlLoadImage (\r | |
1067 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
1068 | )\r | |
1069 | {\r | |
1070 | \r | |
1071 | #ifdef __APPLE__\r | |
1072 | \r | |
1073 | return FALSE;\r | |
1074 | \r | |
1075 | #else\r | |
1076 | \r | |
1077 | void *Handle = NULL;\r | |
1078 | void *Entry = NULL;\r | |
1079 | \r | |
1080 | if (ImageContext->PdbPointer == NULL) {\r | |
1081 | return FALSE;\r | |
1082 | }\r | |
1083 | \r | |
1084 | if (!IsPdbFile (ImageContext->PdbPointer)) {\r | |
1085 | return FALSE;\r | |
1086 | }\r | |
1087 | \r | |
1088 | fprintf (\r | |
1089 | stderr,\r | |
1090 | "Loading %s 0x%08lx - entry point 0x%08lx\n",\r | |
1091 | ImageContext->PdbPointer,\r | |
1092 | (unsigned long)ImageContext->ImageAddress,\r | |
1093 | (unsigned long)ImageContext->EntryPoint\r | |
1094 | );\r | |
1095 | \r | |
1096 | Handle = dlopen (ImageContext->PdbPointer, RTLD_NOW);\r | |
1097 | if (Handle != NULL) {\r | |
1098 | Entry = dlsym (Handle, "_ModuleEntryPoint");\r | |
1099 | AddHandle (ImageContext, Handle);\r | |
1100 | } else {\r | |
1101 | printf("%s\n", dlerror());\r | |
1102 | }\r | |
1103 | \r | |
1104 | if (Entry != NULL) {\r | |
1105 | ImageContext->EntryPoint = (UINTN)Entry;\r | |
1106 | printf ("Change %s Entrypoint to :0x%08lx\n", ImageContext->PdbPointer, (unsigned long)Entry);\r | |
1107 | return TRUE;\r | |
1108 | } else {\r | |
1109 | return FALSE;\r | |
1110 | }\r | |
1111 | \r | |
1112 | #endif\r | |
1113 | }\r | |
1114 | \r | |
1115 | \r | |
4331b9f5 AF |
1116 | #ifdef __APPLE__\r |
1117 | __attribute__((noinline))\r | |
1118 | #endif\r | |
58f89bb1 JJ |
1119 | VOID\r |
1120 | SecGdbScriptBreak (\r | |
1121 | char *FileName,\r | |
1122 | int FileNameLength,\r | |
1123 | long unsigned int LoadAddress,\r | |
1124 | int AddSymbolFlag\r | |
1125 | )\r | |
1126 | {\r | |
1127 | return;\r | |
1128 | }\r | |
1129 | \r | |
1130 | \r | |
1131 | /**\r | |
26cfe2c6 | 1132 | Adds the image to a gdb script so its symbols can be loaded.\r |
58f89bb1 JJ |
1133 | The AddFirmwareSymbolFile helper macro is used.\r |
1134 | \r | |
1135 | @param ImageContext The PE/COFF image context\r | |
1136 | \r | |
1137 | **/\r | |
1138 | VOID\r | |
1139 | GdbScriptAddImage (\r | |
1140 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
1141 | )\r | |
1142 | {\r | |
1143 | \r | |
1144 | PrintLoadAddress (ImageContext);\r | |
1145 | \r | |
1146 | if (ImageContext->PdbPointer != NULL && !IsPdbFile (ImageContext->PdbPointer)) {\r | |
1147 | FILE *GdbTempFile;\r | |
79e4f2a5 | 1148 | if (FeaturePcdGet (PcdEmulatorLazyLoadSymbols)) {\r |
58f89bb1 JJ |
1149 | GdbTempFile = fopen (gGdbWorkingFileName, "a");\r |
1150 | if (GdbTempFile != NULL) {\r | |
1151 | long unsigned int SymbolsAddr = (long unsigned int)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders);\r | |
1152 | mScriptSymbolChangesCount++;\r | |
1153 | fprintf (\r | |
1154 | GdbTempFile,\r | |
1155 | "AddFirmwareSymbolFile 0x%x %s 0x%08lx\n",\r | |
1156 | mScriptSymbolChangesCount,\r | |
1157 | ImageContext->PdbPointer,\r | |
1158 | SymbolsAddr\r | |
1159 | );\r | |
1160 | fclose (GdbTempFile);\r | |
1161 | // This is for the lldb breakpoint only\r | |
1162 | SecGdbScriptBreak (ImageContext->PdbPointer, strlen (ImageContext->PdbPointer) + 1, (long unsigned int)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders), 1);\r | |
1163 | } else {\r | |
1164 | ASSERT (FALSE);\r | |
1165 | }\r | |
1166 | } else {\r | |
1167 | GdbTempFile = fopen (gGdbWorkingFileName, "w");\r | |
1168 | if (GdbTempFile != NULL) {\r | |
1169 | fprintf (\r | |
79e4f2a5 RN |
1170 | GdbTempFile,\r |
1171 | "add-symbol-file %s 0x%08lx\n",\r | |
1172 | ImageContext->PdbPointer,\r | |
58f89bb1 JJ |
1173 | (long unsigned int)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders)\r |
1174 | );\r | |
1175 | fclose (GdbTempFile);\r | |
79e4f2a5 | 1176 | \r |
58f89bb1 JJ |
1177 | //\r |
1178 | // Target for gdb breakpoint in a script that uses gGdbWorkingFileName to set a breakpoint.\r | |
1179 | // Hey what can you say scripting in gdb is not that great....\r | |
1180 | // Also used for the lldb breakpoint script. The lldb breakpoint script does\r | |
1181 | // not use the file, it uses the arguments.\r | |
1182 | //\r | |
1183 | SecGdbScriptBreak (ImageContext->PdbPointer, strlen (ImageContext->PdbPointer) + 1, (long unsigned int)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders), 1);\r | |
1184 | } else {\r | |
1185 | ASSERT (FALSE);\r | |
1186 | }\r | |
1187 | }\r | |
1188 | }\r | |
1189 | }\r | |
1190 | \r | |
1191 | \r | |
1192 | VOID\r | |
1193 | EFIAPI\r | |
1194 | SecPeCoffRelocateImageExtraAction (\r | |
1195 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
1196 | )\r | |
1197 | {\r | |
1198 | if (!DlLoadImage (ImageContext)) {\r | |
1199 | GdbScriptAddImage (ImageContext);\r | |
1200 | }\r | |
1201 | }\r | |
1202 | \r | |
1203 | \r | |
1204 | /**\r | |
26cfe2c6 | 1205 | Adds the image to a gdb script so its symbols can be unloaded.\r |
58f89bb1 JJ |
1206 | The RemoveFirmwareSymbolFile helper macro is used.\r |
1207 | \r | |
1208 | @param ImageContext The PE/COFF image context\r | |
1209 | \r | |
1210 | **/\r | |
1211 | VOID\r | |
1212 | GdbScriptRemoveImage (\r | |
1213 | IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
1214 | )\r | |
1215 | {\r | |
1216 | FILE *GdbTempFile;\r | |
1217 | \r | |
1218 | //\r | |
1219 | // Need to skip .PDB files created from VC++\r | |
1220 | //\r | |
1221 | if (IsPdbFile (ImageContext->PdbPointer)) {\r | |
1222 | return;\r | |
1223 | }\r | |
1224 | \r | |
79e4f2a5 | 1225 | if (FeaturePcdGet (PcdEmulatorLazyLoadSymbols)) {\r |
58f89bb1 JJ |
1226 | //\r |
1227 | // Write the file we need for the gdb script\r | |
1228 | //\r | |
1229 | GdbTempFile = fopen (gGdbWorkingFileName, "a");\r | |
1230 | if (GdbTempFile != NULL) {\r | |
1231 | mScriptSymbolChangesCount++;\r | |
1232 | fprintf (\r | |
1233 | GdbTempFile,\r | |
1234 | "RemoveFirmwareSymbolFile 0x%x %s\n",\r | |
1235 | mScriptSymbolChangesCount,\r | |
1236 | ImageContext->PdbPointer\r | |
1237 | );\r | |
1238 | fclose (GdbTempFile);\r | |
1239 | SecGdbScriptBreak (ImageContext->PdbPointer, strlen (ImageContext->PdbPointer) + 1, 0, 0);\r | |
1240 | } else {\r | |
1241 | ASSERT (FALSE);\r | |
1242 | }\r | |
1243 | } else {\r | |
1244 | GdbTempFile = fopen (gGdbWorkingFileName, "w");\r | |
1245 | if (GdbTempFile != NULL) {\r | |
1246 | fprintf (GdbTempFile, "remove-symbol-file %s\n", ImageContext->PdbPointer);\r | |
1247 | fclose (GdbTempFile);\r | |
1248 | \r | |
1249 | //\r | |
1250 | // Target for gdb breakpoint in a script that uses gGdbWorkingFileName to set a breakpoint.\r | |
1251 | // Hey what can you say scripting in gdb is not that great....\r | |
1252 | //\r | |
1253 | SecGdbScriptBreak (ImageContext->PdbPointer, strlen (ImageContext->PdbPointer) + 1, 0, 0);\r | |
1254 | } else {\r | |
1255 | ASSERT (FALSE);\r | |
79e4f2a5 | 1256 | }\r |
58f89bb1 JJ |
1257 | }\r |
1258 | }\r | |
1259 | \r | |
1260 | \r | |
1261 | VOID\r | |
1262 | EFIAPI\r | |
1263 | SecPeCoffUnloadImageExtraAction (\r | |
1264 | IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext\r | |
1265 | )\r | |
1266 | {\r | |
1267 | VOID *Handle;\r | |
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 | |
1274 | #ifndef __APPLE__\r | |
1275 | dlclose (Handle);\r | |
1276 | #endif\r | |
1277 | return;\r | |
1278 | }\r | |
1279 | \r | |
1280 | GdbScriptRemoveImage (ImageContext);\r | |
1281 | }\r | |
1282 | \r | |
1283 | \r |