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Commit | Line | Data |
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a15e5bc2 JB |
1 | /** @file\r |
2 | This module contains EBC support routines that are customized based on\r | |
3 | the target AArch64 processor.\r | |
4 | \r | |
4d1f5a21 AB |
5 | Copyright (c) 2016, Linaro, Ltd. All rights reserved.<BR>\r |
6 | Copyright (c) 2015, The Linux Foundation. All rights reserved.<BR>\r | |
a15e5bc2 | 7 | Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r |
4d1f5a21 | 8 | \r |
9d510e61 | 9 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
a15e5bc2 JB |
10 | \r |
11 | **/\r | |
12 | \r | |
13 | #include "EbcInt.h"\r | |
14 | #include "EbcExecute.h"\r | |
6f0a3cd2 | 15 | #include "EbcDebuggerHook.h"\r |
a15e5bc2 JB |
16 | \r |
17 | //\r | |
18 | // Amount of space that is not used in the stack\r | |
19 | //\r | |
1436aea4 | 20 | #define STACK_REMAIN_SIZE (1024 * 4)\r |
a15e5bc2 | 21 | \r |
4d1f5a21 AB |
22 | #pragma pack(1)\r |
23 | typedef struct {\r | |
24 | UINT32 Instr[3];\r | |
25 | UINT32 Magic;\r | |
26 | UINT64 EbcEntryPoint;\r | |
27 | UINT64 EbcLlEntryPoint;\r | |
28 | } EBC_INSTRUCTION_BUFFER;\r | |
29 | #pragma pack()\r | |
30 | \r | |
1436aea4 | 31 | extern CONST EBC_INSTRUCTION_BUFFER mEbcInstructionBufferTemplate;\r |
a15e5bc2 JB |
32 | \r |
33 | /**\r | |
34 | Begin executing an EBC image.\r | |
35 | This is used for Ebc Thunk call.\r | |
36 | \r | |
37 | @return The value returned by the EBC application we're going to run.\r | |
38 | \r | |
39 | **/\r | |
40 | UINT64\r | |
41 | EFIAPI\r | |
42 | EbcLLEbcInterpret (\r | |
43 | VOID\r | |
44 | );\r | |
45 | \r | |
46 | /**\r | |
47 | Begin executing an EBC image.\r | |
48 | This is used for Ebc image entrypoint.\r | |
49 | \r | |
50 | @return The value returned by the EBC application we're going to run.\r | |
51 | \r | |
52 | **/\r | |
53 | UINT64\r | |
54 | EFIAPI\r | |
55 | EbcLLExecuteEbcImageEntryPoint (\r | |
56 | VOID\r | |
57 | );\r | |
58 | \r | |
59 | /**\r | |
60 | Pushes a 64 bit unsigned value to the VM stack.\r | |
61 | \r | |
62 | @param VmPtr The pointer to current VM context.\r | |
63 | @param Arg The value to be pushed.\r | |
64 | \r | |
65 | **/\r | |
66 | VOID\r | |
67 | PushU64 (\r | |
1436aea4 MK |
68 | IN VM_CONTEXT *VmPtr,\r |
69 | IN UINT64 Arg\r | |
a15e5bc2 JB |
70 | )\r |
71 | {\r | |
72 | //\r | |
73 | // Advance the VM stack down, and then copy the argument to the stack.\r | |
74 | // Hope it's aligned.\r | |
75 | //\r | |
1436aea4 MK |
76 | VmPtr->Gpr[0] -= sizeof (UINT64);\r |
77 | *(UINT64 *)VmPtr->Gpr[0] = Arg;\r | |
a15e5bc2 JB |
78 | return;\r |
79 | }\r | |
80 | \r | |
a15e5bc2 JB |
81 | /**\r |
82 | Begin executing an EBC image.\r | |
83 | \r | |
84 | This is a thunk function.\r | |
85 | \r | |
a15e5bc2 JB |
86 | @param Arg1 The 1st argument.\r |
87 | @param Arg2 The 2nd argument.\r | |
88 | @param Arg3 The 3rd argument.\r | |
89 | @param Arg4 The 4th argument.\r | |
90 | @param Arg5 The 5th argument.\r | |
91 | @param Arg6 The 6th argument.\r | |
92 | @param Arg7 The 7th argument.\r | |
93 | @param Arg8 The 8th argument.\r | |
4a2aaff2 AB |
94 | @param EntryPoint The entrypoint of EBC code.\r |
95 | @param Args9_16[] Array containing arguments #9 to #16.\r | |
a15e5bc2 JB |
96 | \r |
97 | @return The value returned by the EBC application we're going to run.\r | |
98 | \r | |
99 | **/\r | |
100 | UINT64\r | |
101 | EFIAPI\r | |
102 | EbcInterpret (\r | |
4a2aaff2 AB |
103 | IN UINTN Arg1,\r |
104 | IN UINTN Arg2,\r | |
105 | IN UINTN Arg3,\r | |
106 | IN UINTN Arg4,\r | |
107 | IN UINTN Arg5,\r | |
108 | IN UINTN Arg6,\r | |
109 | IN UINTN Arg7,\r | |
110 | IN UINTN Arg8,\r | |
111 | IN UINTN EntryPoint,\r | |
112 | IN CONST UINTN Args9_16[]\r | |
a15e5bc2 JB |
113 | )\r |
114 | {\r | |
115 | //\r | |
116 | // Create a new VM context on the stack\r | |
117 | //\r | |
118 | VM_CONTEXT VmContext;\r | |
119 | UINTN Addr;\r | |
120 | EFI_STATUS Status;\r | |
121 | UINTN StackIndex;\r | |
122 | \r | |
123 | //\r | |
124 | // Get the EBC entry point\r | |
125 | //\r | |
126 | Addr = EntryPoint;\r | |
127 | \r | |
128 | //\r | |
129 | // Now clear out our context\r | |
130 | //\r | |
1436aea4 | 131 | ZeroMem ((VOID *)&VmContext, sizeof (VM_CONTEXT));\r |
a15e5bc2 JB |
132 | \r |
133 | //\r | |
134 | // Set the VM instruction pointer to the correct location in memory.\r | |
135 | //\r | |
1436aea4 | 136 | VmContext.Ip = (VMIP)Addr;\r |
a15e5bc2 JB |
137 | \r |
138 | //\r | |
139 | // Initialize the stack pointer for the EBC. Get the current system stack\r | |
140 | // pointer and adjust it down by the max needed for the interpreter.\r | |
141 | //\r | |
142 | \r | |
143 | //\r | |
144 | // Adjust the VM's stack pointer down.\r | |
145 | //\r | |
146 | \r | |
1436aea4 MK |
147 | Status = GetEBCStack ((EFI_HANDLE)(UINTN)-1, &VmContext.StackPool, &StackIndex);\r |
148 | if (EFI_ERROR (Status)) {\r | |
a15e5bc2 JB |
149 | return Status;\r |
150 | }\r | |
1436aea4 MK |
151 | \r |
152 | VmContext.StackTop = (UINT8 *)VmContext.StackPool + (STACK_REMAIN_SIZE);\r | |
153 | VmContext.Gpr[0] = (UINT64)((UINT8 *)VmContext.StackPool + STACK_POOL_SIZE);\r | |
154 | VmContext.HighStackBottom = (UINTN)VmContext.Gpr[0];\r | |
155 | VmContext.Gpr[0] -= sizeof (UINTN);\r | |
a15e5bc2 JB |
156 | \r |
157 | //\r | |
158 | // Align the stack on a natural boundary.\r | |
159 | //\r | |
160 | VmContext.Gpr[0] &= ~(VM_REGISTER)(sizeof (UINTN) - 1);\r | |
161 | \r | |
162 | //\r | |
163 | // Put a magic value in the stack gap, then adjust down again.\r | |
164 | //\r | |
1436aea4 MK |
165 | *(UINTN *)(UINTN)(VmContext.Gpr[0]) = (UINTN)VM_STACK_KEY_VALUE;\r |
166 | VmContext.StackMagicPtr = (UINTN *)(UINTN)VmContext.Gpr[0];\r | |
a15e5bc2 JB |
167 | \r |
168 | //\r | |
169 | // The stack upper to LowStackTop is belong to the VM.\r | |
170 | //\r | |
1436aea4 | 171 | VmContext.LowStackTop = (UINTN)VmContext.Gpr[0];\r |
a15e5bc2 JB |
172 | \r |
173 | //\r | |
174 | // For the worst case, assume there are 4 arguments passed in registers, store\r | |
175 | // them to VM's stack.\r | |
176 | //\r | |
1436aea4 MK |
177 | PushU64 (&VmContext, (UINT64)Args9_16[7]);\r |
178 | PushU64 (&VmContext, (UINT64)Args9_16[6]);\r | |
179 | PushU64 (&VmContext, (UINT64)Args9_16[5]);\r | |
180 | PushU64 (&VmContext, (UINT64)Args9_16[4]);\r | |
181 | PushU64 (&VmContext, (UINT64)Args9_16[3]);\r | |
182 | PushU64 (&VmContext, (UINT64)Args9_16[2]);\r | |
183 | PushU64 (&VmContext, (UINT64)Args9_16[1]);\r | |
184 | PushU64 (&VmContext, (UINT64)Args9_16[0]);\r | |
185 | PushU64 (&VmContext, (UINT64)Arg8);\r | |
186 | PushU64 (&VmContext, (UINT64)Arg7);\r | |
187 | PushU64 (&VmContext, (UINT64)Arg6);\r | |
188 | PushU64 (&VmContext, (UINT64)Arg5);\r | |
189 | PushU64 (&VmContext, (UINT64)Arg4);\r | |
190 | PushU64 (&VmContext, (UINT64)Arg3);\r | |
191 | PushU64 (&VmContext, (UINT64)Arg2);\r | |
192 | PushU64 (&VmContext, (UINT64)Arg1);\r | |
a15e5bc2 JB |
193 | \r |
194 | //\r | |
195 | // Interpreter assumes 64-bit return address is pushed on the stack.\r | |
196 | // AArch64 does not do this so pad the stack accordingly.\r | |
197 | //\r | |
1436aea4 MK |
198 | PushU64 (&VmContext, (UINT64)0);\r |
199 | PushU64 (&VmContext, (UINT64)0x1234567887654321ULL);\r | |
a15e5bc2 JB |
200 | \r |
201 | //\r | |
202 | // For AArch64, this is where we say our return address is\r | |
203 | //\r | |
1436aea4 | 204 | VmContext.StackRetAddr = (UINT64)VmContext.Gpr[0];\r |
a15e5bc2 JB |
205 | \r |
206 | //\r | |
207 | // We need to keep track of where the EBC stack starts. This way, if the EBC\r | |
208 | // accesses any stack variables above its initial stack setting, then we know\r | |
209 | // it's accessing variables passed into it, which means the data is on the\r | |
210 | // VM's stack.\r | |
211 | // When we're called, on the stack (high to low) we have the parameters, the\r | |
212 | // return address, then the saved ebp. Save the pointer to the return address.\r | |
213 | // EBC code knows that's there, so should look above it for function parameters.\r | |
214 | // The offset is the size of locals (VMContext + Addr + saved ebp).\r | |
215 | // Note that the interpreter assumes there is a 16 bytes of return address on\r | |
216 | // the stack too, so adjust accordingly.\r | |
217 | // VmContext.HighStackBottom = (UINTN)(Addr + sizeof (VmContext) + sizeof (Addr));\r | |
218 | //\r | |
219 | \r | |
220 | //\r | |
221 | // Begin executing the EBC code\r | |
222 | //\r | |
6f0a3cd2 | 223 | EbcDebuggerHookEbcInterpret (&VmContext);\r |
a15e5bc2 JB |
224 | EbcExecute (&VmContext);\r |
225 | \r | |
226 | //\r | |
227 | // Return the value in R[7] unless there was an error\r | |
228 | //\r | |
1436aea4 MK |
229 | ReturnEBCStack (StackIndex);\r |
230 | return (UINT64)VmContext.Gpr[7];\r | |
a15e5bc2 JB |
231 | }\r |
232 | \r | |
a15e5bc2 JB |
233 | /**\r |
234 | Begin executing an EBC image.\r | |
235 | \r | |
a15e5bc2 JB |
236 | @param ImageHandle image handle for the EBC application we're executing\r |
237 | @param SystemTable standard system table passed into an driver's entry\r | |
238 | point\r | |
4a2aaff2 | 239 | @param EntryPoint The entrypoint of EBC code.\r |
a15e5bc2 JB |
240 | \r |
241 | @return The value returned by the EBC application we're going to run.\r | |
242 | \r | |
243 | **/\r | |
244 | UINT64\r | |
245 | EFIAPI\r | |
246 | ExecuteEbcImageEntryPoint (\r | |
1436aea4 MK |
247 | IN EFI_HANDLE ImageHandle,\r |
248 | IN EFI_SYSTEM_TABLE *SystemTable,\r | |
249 | IN UINTN EntryPoint\r | |
a15e5bc2 JB |
250 | )\r |
251 | {\r | |
252 | //\r | |
253 | // Create a new VM context on the stack\r | |
254 | //\r | |
255 | VM_CONTEXT VmContext;\r | |
256 | UINTN Addr;\r | |
257 | EFI_STATUS Status;\r | |
258 | UINTN StackIndex;\r | |
259 | \r | |
260 | //\r | |
261 | // Get the EBC entry point\r | |
262 | //\r | |
263 | Addr = EntryPoint;\r | |
264 | \r | |
265 | //\r | |
266 | // Now clear out our context\r | |
267 | //\r | |
1436aea4 | 268 | ZeroMem ((VOID *)&VmContext, sizeof (VM_CONTEXT));\r |
a15e5bc2 JB |
269 | \r |
270 | //\r | |
271 | // Save the image handle so we can track the thunks created for this image\r | |
272 | //\r | |
273 | VmContext.ImageHandle = ImageHandle;\r | |
274 | VmContext.SystemTable = SystemTable;\r | |
275 | \r | |
276 | //\r | |
277 | // Set the VM instruction pointer to the correct location in memory.\r | |
278 | //\r | |
1436aea4 | 279 | VmContext.Ip = (VMIP)Addr;\r |
a15e5bc2 JB |
280 | \r |
281 | //\r | |
282 | // Initialize the stack pointer for the EBC. Get the current system stack\r | |
283 | // pointer and adjust it down by the max needed for the interpreter.\r | |
284 | //\r | |
285 | \r | |
1436aea4 MK |
286 | Status = GetEBCStack (ImageHandle, &VmContext.StackPool, &StackIndex);\r |
287 | if (EFI_ERROR (Status)) {\r | |
a15e5bc2 JB |
288 | return Status;\r |
289 | }\r | |
a15e5bc2 | 290 | \r |
1436aea4 MK |
291 | VmContext.StackTop = (UINT8 *)VmContext.StackPool + (STACK_REMAIN_SIZE);\r |
292 | VmContext.Gpr[0] = (UINT64)((UINT8 *)VmContext.StackPool + STACK_POOL_SIZE);\r | |
293 | VmContext.HighStackBottom = (UINTN)VmContext.Gpr[0];\r | |
294 | VmContext.Gpr[0] -= sizeof (UINTN);\r | |
a15e5bc2 JB |
295 | \r |
296 | //\r | |
297 | // Put a magic value in the stack gap, then adjust down again\r | |
298 | //\r | |
1436aea4 MK |
299 | *(UINTN *)(UINTN)(VmContext.Gpr[0]) = (UINTN)VM_STACK_KEY_VALUE;\r |
300 | VmContext.StackMagicPtr = (UINTN *)(UINTN)VmContext.Gpr[0];\r | |
a15e5bc2 JB |
301 | \r |
302 | //\r | |
303 | // Align the stack on a natural boundary\r | |
1436aea4 | 304 | VmContext.Gpr[0] &= ~(VM_REGISTER)(sizeof (UINTN) - 1);\r |
a15e5bc2 | 305 | //\r |
1436aea4 | 306 | VmContext.LowStackTop = (UINTN)VmContext.Gpr[0];\r |
a15e5bc2 JB |
307 | \r |
308 | //\r | |
309 | // Simply copy the image handle and system table onto the EBC stack.\r | |
310 | // Greatly simplifies things by not having to spill the args.\r | |
311 | //\r | |
1436aea4 MK |
312 | PushU64 (&VmContext, (UINT64)SystemTable);\r |
313 | PushU64 (&VmContext, (UINT64)ImageHandle);\r | |
a15e5bc2 JB |
314 | \r |
315 | //\r | |
316 | // VM pushes 16-bytes for return address. Simulate that here.\r | |
317 | //\r | |
1436aea4 MK |
318 | PushU64 (&VmContext, (UINT64)0);\r |
319 | PushU64 (&VmContext, (UINT64)0x1234567887654321ULL);\r | |
a15e5bc2 JB |
320 | \r |
321 | //\r | |
322 | // For AArch64, this is where we say our return address is\r | |
323 | //\r | |
1436aea4 | 324 | VmContext.StackRetAddr = (UINT64)VmContext.Gpr[0];\r |
a15e5bc2 JB |
325 | \r |
326 | //\r | |
327 | // Entry function needn't access high stack context, simply\r | |
328 | // put the stack pointer here.\r | |
329 | //\r | |
330 | \r | |
331 | //\r | |
332 | // Begin executing the EBC code\r | |
333 | //\r | |
6f0a3cd2 | 334 | EbcDebuggerHookExecuteEbcImageEntryPoint (&VmContext);\r |
a15e5bc2 JB |
335 | EbcExecute (&VmContext);\r |
336 | \r | |
337 | //\r | |
338 | // Return the value in R[7] unless there was an error\r | |
339 | //\r | |
1436aea4 MK |
340 | ReturnEBCStack (StackIndex);\r |
341 | return (UINT64)VmContext.Gpr[7];\r | |
a15e5bc2 JB |
342 | }\r |
343 | \r | |
a15e5bc2 JB |
344 | /**\r |
345 | Create thunks for an EBC image entry point, or an EBC protocol service.\r | |
346 | \r | |
347 | @param ImageHandle Image handle for the EBC image. If not null, then\r | |
348 | we're creating a thunk for an image entry point.\r | |
349 | @param EbcEntryPoint Address of the EBC code that the thunk is to call\r | |
350 | @param Thunk Returned thunk we create here\r | |
351 | @param Flags Flags indicating options for creating the thunk\r | |
352 | \r | |
353 | @retval EFI_SUCCESS The thunk was created successfully.\r | |
354 | @retval EFI_INVALID_PARAMETER The parameter of EbcEntryPoint is not 16-bit\r | |
355 | aligned.\r | |
356 | @retval EFI_OUT_OF_RESOURCES There is not enough memory to created the EBC\r | |
357 | Thunk.\r | |
358 | @retval EFI_BUFFER_TOO_SMALL EBC_THUNK_SIZE is not larger enough.\r | |
359 | \r | |
360 | **/\r | |
361 | EFI_STATUS\r | |
362 | EbcCreateThunks (\r | |
1436aea4 MK |
363 | IN EFI_HANDLE ImageHandle,\r |
364 | IN VOID *EbcEntryPoint,\r | |
365 | OUT VOID **Thunk,\r | |
366 | IN UINT32 Flags\r | |
a15e5bc2 JB |
367 | )\r |
368 | {\r | |
1436aea4 | 369 | EBC_INSTRUCTION_BUFFER *InstructionBuffer;\r |
a15e5bc2 JB |
370 | \r |
371 | //\r | |
372 | // Check alignment of pointer to EBC code\r | |
373 | //\r | |
1436aea4 | 374 | if ((UINT32)(UINTN)EbcEntryPoint & 0x01) {\r |
a15e5bc2 JB |
375 | return EFI_INVALID_PARAMETER;\r |
376 | }\r | |
377 | \r | |
16dc5b68 | 378 | InstructionBuffer = EbcAllocatePoolForThunk (sizeof (EBC_INSTRUCTION_BUFFER));\r |
4d1f5a21 | 379 | if (InstructionBuffer == NULL) {\r |
a15e5bc2 JB |
380 | return EFI_OUT_OF_RESOURCES;\r |
381 | }\r | |
a15e5bc2 JB |
382 | \r |
383 | //\r | |
384 | // Give them the address of our buffer we're going to fix up\r | |
385 | //\r | |
4d1f5a21 | 386 | *Thunk = InstructionBuffer;\r |
a15e5bc2 JB |
387 | \r |
388 | //\r | |
389 | // Copy whole thunk instruction buffer template\r | |
390 | //\r | |
1436aea4 MK |
391 | CopyMem (\r |
392 | InstructionBuffer,\r | |
393 | &mEbcInstructionBufferTemplate,\r | |
394 | sizeof (EBC_INSTRUCTION_BUFFER)\r | |
395 | );\r | |
a15e5bc2 JB |
396 | \r |
397 | //\r | |
398 | // Patch EbcEntryPoint and EbcLLEbcInterpret\r | |
399 | //\r | |
4d1f5a21 AB |
400 | InstructionBuffer->EbcEntryPoint = (UINT64)EbcEntryPoint;\r |
401 | if ((Flags & FLAG_THUNK_ENTRY_POINT) != 0) {\r | |
402 | InstructionBuffer->EbcLlEntryPoint = (UINT64)EbcLLExecuteEbcImageEntryPoint;\r | |
403 | } else {\r | |
404 | InstructionBuffer->EbcLlEntryPoint = (UINT64)EbcLLEbcInterpret;\r | |
a15e5bc2 JB |
405 | }\r |
406 | \r | |
407 | //\r | |
408 | // Add the thunk to the list for this image. Do this last since the add\r | |
409 | // function flushes the cache for us.\r | |
410 | //\r | |
1436aea4 MK |
411 | EbcAddImageThunk (\r |
412 | ImageHandle,\r | |
413 | InstructionBuffer,\r | |
414 | sizeof (EBC_INSTRUCTION_BUFFER)\r | |
415 | );\r | |
a15e5bc2 JB |
416 | \r |
417 | return EFI_SUCCESS;\r | |
418 | }\r | |
419 | \r | |
a15e5bc2 JB |
420 | /**\r |
421 | This function is called to execute an EBC CALLEX instruction.\r | |
422 | The function check the callee's content to see whether it is common native\r | |
423 | code or a thunk to another piece of EBC code.\r | |
424 | If the callee is common native code, use EbcLLCAllEXASM to manipulate,\r | |
425 | otherwise, set the VM->IP to target EBC code directly to avoid another VM\r | |
426 | be startup which cost time and stack space.\r | |
427 | \r | |
428 | @param VmPtr Pointer to a VM context.\r | |
429 | @param FuncAddr Callee's address\r | |
430 | @param NewStackPointer New stack pointer after the call\r | |
431 | @param FramePtr New frame pointer after the call\r | |
432 | @param Size The size of call instruction\r | |
433 | \r | |
434 | **/\r | |
435 | VOID\r | |
436 | EbcLLCALLEX (\r | |
1436aea4 MK |
437 | IN VM_CONTEXT *VmPtr,\r |
438 | IN UINTN FuncAddr,\r | |
439 | IN UINTN NewStackPointer,\r | |
440 | IN VOID *FramePtr,\r | |
441 | IN UINT8 Size\r | |
a15e5bc2 JB |
442 | )\r |
443 | {\r | |
1436aea4 | 444 | CONST EBC_INSTRUCTION_BUFFER *InstructionBuffer;\r |
a15e5bc2 JB |
445 | \r |
446 | //\r | |
447 | // Processor specific code to check whether the callee is a thunk to EBC.\r | |
448 | //\r | |
4d1f5a21 | 449 | InstructionBuffer = (EBC_INSTRUCTION_BUFFER *)FuncAddr;\r |
a15e5bc2 | 450 | \r |
1436aea4 MK |
451 | if (CompareMem (\r |
452 | InstructionBuffer,\r | |
453 | &mEbcInstructionBufferTemplate,\r | |
454 | sizeof (EBC_INSTRUCTION_BUFFER) - 2 * sizeof (UINT64)\r | |
455 | ) == 0)\r | |
456 | {\r | |
a15e5bc2 JB |
457 | //\r |
458 | // The callee is a thunk to EBC, adjust the stack pointer down 16 bytes and\r | |
459 | // put our return address and frame pointer on the VM stack.\r | |
460 | // Then set the VM's IP to new EBC code.\r | |
461 | //\r | |
462 | VmPtr->Gpr[0] -= 8;\r | |
1436aea4 MK |
463 | VmWriteMemN (VmPtr, (UINTN)VmPtr->Gpr[0], (UINTN)FramePtr);\r |
464 | VmPtr->FramePtr = (VOID *)(UINTN)VmPtr->Gpr[0];\r | |
465 | VmPtr->Gpr[0] -= 8;\r | |
466 | VmWriteMem64 (VmPtr, (UINTN)VmPtr->Gpr[0], (UINT64)(UINTN)(VmPtr->Ip + Size));\r | |
a15e5bc2 | 467 | \r |
1436aea4 | 468 | VmPtr->Ip = (VMIP)InstructionBuffer->EbcEntryPoint;\r |
a15e5bc2 JB |
469 | } else {\r |
470 | //\r | |
471 | // The callee is not a thunk to EBC, call native code,\r | |
472 | // and get return value.\r | |
473 | //\r | |
474 | VmPtr->Gpr[7] = EbcLLCALLEXNative (FuncAddr, NewStackPointer, FramePtr);\r | |
475 | \r | |
476 | //\r | |
477 | // Advance the IP.\r | |
478 | //\r | |
479 | VmPtr->Ip += Size;\r | |
480 | }\r | |
481 | }\r |