IEMAllInstructions.cpp.h@ 65781

Last change on this file since 65781 was 65778, checked in by vboxsync, 8 years ago
IEM: Correted invalid opcode decoding in group 12, 13, and 14.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 24.6 KB

Line
1	/* $Id: IEMAllInstructions.cpp.h 65778 2017-02-13 17:38:28Z vboxsync $ */
2	/** @file
3	* IEM - Instruction Decoding and Emulation.
4	*/
5
6	/*
7	* Copyright (C) 2011-2016 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18
19	/*******************************************************************************
20	* Global Variables *
21	*******************************************************************************/
22	extern const PFNIEMOP g_apfnOneByteMap[256]; /* not static since we need to forward declare it. */
23
24	#ifdef _MSC_VER
25	# pragma warning(push)
26	# pragma warning(disable: 4702) /* Unreachable code like return in iemOp_Grp6_lldt. */
27	#endif
28
29
30	/**
31	* Common worker for instructions like ADD, AND, OR, ++ with a byte
32	* memory/register as the destination.
33	*
34	* @param pImpl Pointer to the instruction implementation (assembly).
35	*/
36	FNIEMOP_DEF_1(iemOpHlpBinaryOperator_rm_r8, PCIEMOPBINSIZES, pImpl)
37	{
38	uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
39
40	/*
41	* If rm is denoting a register, no more instruction bytes.
42	*/
43	if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
44	{
45	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
46
47	IEM_MC_BEGIN(3, 0);
48	IEM_MC_ARG(uint8_t *, pu8Dst, 0);
49	IEM_MC_ARG(uint8_t, u8Src, 1);
50	IEM_MC_ARG(uint32_t *, pEFlags, 2);
51
52	IEM_MC_FETCH_GREG_U8(u8Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
53	IEM_MC_REF_GREG_U8(pu8Dst, (bRm & X86_MODRM_RM_MASK) \| pVCpu->iem.s.uRexB);
54	IEM_MC_REF_EFLAGS(pEFlags);
55	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU8, pu8Dst, u8Src, pEFlags);
56
57	IEM_MC_ADVANCE_RIP();
58	IEM_MC_END();
59	}
60	else
61	{
62	/*
63	* We're accessing memory.
64	* Note! We're putting the eflags on the stack here so we can commit them
65	* after the memory.
66	*/
67	uint32_t const fAccess = pImpl->pfnLockedU8 ? IEM_ACCESS_DATA_RW : IEM_ACCESS_DATA_R; /* CMP,TEST */
68	IEM_MC_BEGIN(3, 2);
69	IEM_MC_ARG(uint8_t *, pu8Dst, 0);
70	IEM_MC_ARG(uint8_t, u8Src, 1);
71	IEM_MC_ARG_LOCAL_EFLAGS(pEFlags, EFlags, 2);
72	IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
73
74	IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
75	if (!pImpl->pfnLockedU8)
76	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
77	IEM_MC_MEM_MAP(pu8Dst, fAccess, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0 /arg/);
78	IEM_MC_FETCH_GREG_U8(u8Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
79	IEM_MC_FETCH_EFLAGS(EFlags);
80	if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
81	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU8, pu8Dst, u8Src, pEFlags);
82	else
83	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnLockedU8, pu8Dst, u8Src, pEFlags);
84
85	IEM_MC_MEM_COMMIT_AND_UNMAP(pu8Dst, fAccess);
86	IEM_MC_COMMIT_EFLAGS(EFlags);
87	IEM_MC_ADVANCE_RIP();
88	IEM_MC_END();
89	}
90	return VINF_SUCCESS;
91	}
92
93
94	/**
95	* Common worker for word/dword/qword instructions like ADD, AND, OR, ++ with
96	* memory/register as the destination.
97	*
98	* @param pImpl Pointer to the instruction implementation (assembly).
99	*/
100	FNIEMOP_DEF_1(iemOpHlpBinaryOperator_rm_rv, PCIEMOPBINSIZES, pImpl)
101	{
102	uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
103
104	/*
105	* If rm is denoting a register, no more instruction bytes.
106	*/
107	if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
108	{
109	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
110
111	switch (pVCpu->iem.s.enmEffOpSize)
112	{
113	case IEMMODE_16BIT:
114	IEM_MC_BEGIN(3, 0);
115	IEM_MC_ARG(uint16_t *, pu16Dst, 0);
116	IEM_MC_ARG(uint16_t, u16Src, 1);
117	IEM_MC_ARG(uint32_t *, pEFlags, 2);
118
119	IEM_MC_FETCH_GREG_U16(u16Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
120	IEM_MC_REF_GREG_U16(pu16Dst, (bRm & X86_MODRM_RM_MASK) \| pVCpu->iem.s.uRexB);
121	IEM_MC_REF_EFLAGS(pEFlags);
122	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU16, pu16Dst, u16Src, pEFlags);
123
124	IEM_MC_ADVANCE_RIP();
125	IEM_MC_END();
126	break;
127
128	case IEMMODE_32BIT:
129	IEM_MC_BEGIN(3, 0);
130	IEM_MC_ARG(uint32_t *, pu32Dst, 0);
131	IEM_MC_ARG(uint32_t, u32Src, 1);
132	IEM_MC_ARG(uint32_t *, pEFlags, 2);
133
134	IEM_MC_FETCH_GREG_U32(u32Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
135	IEM_MC_REF_GREG_U32(pu32Dst, (bRm & X86_MODRM_RM_MASK) \| pVCpu->iem.s.uRexB);
136	IEM_MC_REF_EFLAGS(pEFlags);
137	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU32, pu32Dst, u32Src, pEFlags);
138
139	if (pImpl != &g_iemAImpl_test)
140	IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst);
141	IEM_MC_ADVANCE_RIP();
142	IEM_MC_END();
143	break;
144
145	case IEMMODE_64BIT:
146	IEM_MC_BEGIN(3, 0);
147	IEM_MC_ARG(uint64_t *, pu64Dst, 0);
148	IEM_MC_ARG(uint64_t, u64Src, 1);
149	IEM_MC_ARG(uint32_t *, pEFlags, 2);
150
151	IEM_MC_FETCH_GREG_U64(u64Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
152	IEM_MC_REF_GREG_U64(pu64Dst, (bRm & X86_MODRM_RM_MASK) \| pVCpu->iem.s.uRexB);
153	IEM_MC_REF_EFLAGS(pEFlags);
154	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU64, pu64Dst, u64Src, pEFlags);
155
156	IEM_MC_ADVANCE_RIP();
157	IEM_MC_END();
158	break;
159	}
160	}
161	else
162	{
163	/*
164	* We're accessing memory.
165	* Note! We're putting the eflags on the stack here so we can commit them
166	* after the memory.
167	*/
168	uint32_t const fAccess = pImpl->pfnLockedU8 ? IEM_ACCESS_DATA_RW : IEM_ACCESS_DATA_R /* CMP,TEST */;
169	switch (pVCpu->iem.s.enmEffOpSize)
170	{
171	case IEMMODE_16BIT:
172	IEM_MC_BEGIN(3, 2);
173	IEM_MC_ARG(uint16_t *, pu16Dst, 0);
174	IEM_MC_ARG(uint16_t, u16Src, 1);
175	IEM_MC_ARG_LOCAL_EFLAGS(pEFlags, EFlags, 2);
176	IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
177
178	IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
179	if (!pImpl->pfnLockedU16)
180	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
181	IEM_MC_MEM_MAP(pu16Dst, fAccess, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0 /arg/);
182	IEM_MC_FETCH_GREG_U16(u16Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
183	IEM_MC_FETCH_EFLAGS(EFlags);
184	if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
185	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU16, pu16Dst, u16Src, pEFlags);
186	else
187	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnLockedU16, pu16Dst, u16Src, pEFlags);
188
189	IEM_MC_MEM_COMMIT_AND_UNMAP(pu16Dst, fAccess);
190	IEM_MC_COMMIT_EFLAGS(EFlags);
191	IEM_MC_ADVANCE_RIP();
192	IEM_MC_END();
193	break;
194
195	case IEMMODE_32BIT:
196	IEM_MC_BEGIN(3, 2);
197	IEM_MC_ARG(uint32_t *, pu32Dst, 0);
198	IEM_MC_ARG(uint32_t, u32Src, 1);
199	IEM_MC_ARG_LOCAL_EFLAGS(pEFlags, EFlags, 2);
200	IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
201
202	IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
203	if (!pImpl->pfnLockedU32)
204	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
205	IEM_MC_MEM_MAP(pu32Dst, fAccess, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0 /arg/);
206	IEM_MC_FETCH_GREG_U32(u32Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
207	IEM_MC_FETCH_EFLAGS(EFlags);
208	if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
209	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU32, pu32Dst, u32Src, pEFlags);
210	else
211	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnLockedU32, pu32Dst, u32Src, pEFlags);
212
213	IEM_MC_MEM_COMMIT_AND_UNMAP(pu32Dst, fAccess);
214	IEM_MC_COMMIT_EFLAGS(EFlags);
215	IEM_MC_ADVANCE_RIP();
216	IEM_MC_END();
217	break;
218
219	case IEMMODE_64BIT:
220	IEM_MC_BEGIN(3, 2);
221	IEM_MC_ARG(uint64_t *, pu64Dst, 0);
222	IEM_MC_ARG(uint64_t, u64Src, 1);
223	IEM_MC_ARG_LOCAL_EFLAGS(pEFlags, EFlags, 2);
224	IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
225
226	IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
227	if (!pImpl->pfnLockedU64)
228	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
229	IEM_MC_MEM_MAP(pu64Dst, fAccess, pVCpu->iem.s.iEffSeg, GCPtrEffDst, 0 /arg/);
230	IEM_MC_FETCH_GREG_U64(u64Src, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
231	IEM_MC_FETCH_EFLAGS(EFlags);
232	if (!(pVCpu->iem.s.fPrefixes & IEM_OP_PRF_LOCK))
233	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU64, pu64Dst, u64Src, pEFlags);
234	else
235	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnLockedU64, pu64Dst, u64Src, pEFlags);
236
237	IEM_MC_MEM_COMMIT_AND_UNMAP(pu64Dst, fAccess);
238	IEM_MC_COMMIT_EFLAGS(EFlags);
239	IEM_MC_ADVANCE_RIP();
240	IEM_MC_END();
241	break;
242	}
243	}
244	return VINF_SUCCESS;
245	}
246
247
248	/**
249	* Common worker for byte instructions like ADD, AND, OR, ++ with a register as
250	* the destination.
251	*
252	* @param pImpl Pointer to the instruction implementation (assembly).
253	*/
254	FNIEMOP_DEF_1(iemOpHlpBinaryOperator_r8_rm, PCIEMOPBINSIZES, pImpl)
255	{
256	uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
257
258	/*
259	* If rm is denoting a register, no more instruction bytes.
260	*/
261	if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
262	{
263	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
264	IEM_MC_BEGIN(3, 0);
265	IEM_MC_ARG(uint8_t *, pu8Dst, 0);
266	IEM_MC_ARG(uint8_t, u8Src, 1);
267	IEM_MC_ARG(uint32_t *, pEFlags, 2);
268
269	IEM_MC_FETCH_GREG_U8(u8Src, (bRm & X86_MODRM_RM_MASK) \| pVCpu->iem.s.uRexB);
270	IEM_MC_REF_GREG_U8(pu8Dst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
271	IEM_MC_REF_EFLAGS(pEFlags);
272	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU8, pu8Dst, u8Src, pEFlags);
273
274	IEM_MC_ADVANCE_RIP();
275	IEM_MC_END();
276	}
277	else
278	{
279	/*
280	* We're accessing memory.
281	*/
282	IEM_MC_BEGIN(3, 1);
283	IEM_MC_ARG(uint8_t *, pu8Dst, 0);
284	IEM_MC_ARG(uint8_t, u8Src, 1);
285	IEM_MC_ARG(uint32_t *, pEFlags, 2);
286	IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
287
288	IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
289	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
290	IEM_MC_FETCH_MEM_U8(u8Src, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
291	IEM_MC_REF_GREG_U8(pu8Dst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
292	IEM_MC_REF_EFLAGS(pEFlags);
293	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU8, pu8Dst, u8Src, pEFlags);
294
295	IEM_MC_ADVANCE_RIP();
296	IEM_MC_END();
297	}
298	return VINF_SUCCESS;
299	}
300
301
302	/**
303	* Common worker for word/dword/qword instructions like ADD, AND, OR, ++ with a
304	* register as the destination.
305	*
306	* @param pImpl Pointer to the instruction implementation (assembly).
307	*/
308	FNIEMOP_DEF_1(iemOpHlpBinaryOperator_rv_rm, PCIEMOPBINSIZES, pImpl)
309	{
310	uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm);
311
312	/*
313	* If rm is denoting a register, no more instruction bytes.
314	*/
315	if ((bRm & X86_MODRM_MOD_MASK) == (3 << X86_MODRM_MOD_SHIFT))
316	{
317	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
318	switch (pVCpu->iem.s.enmEffOpSize)
319	{
320	case IEMMODE_16BIT:
321	IEM_MC_BEGIN(3, 0);
322	IEM_MC_ARG(uint16_t *, pu16Dst, 0);
323	IEM_MC_ARG(uint16_t, u16Src, 1);
324	IEM_MC_ARG(uint32_t *, pEFlags, 2);
325
326	IEM_MC_FETCH_GREG_U16(u16Src, (bRm & X86_MODRM_RM_MASK) \| pVCpu->iem.s.uRexB);
327	IEM_MC_REF_GREG_U16(pu16Dst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
328	IEM_MC_REF_EFLAGS(pEFlags);
329	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU16, pu16Dst, u16Src, pEFlags);
330
331	IEM_MC_ADVANCE_RIP();
332	IEM_MC_END();
333	break;
334
335	case IEMMODE_32BIT:
336	IEM_MC_BEGIN(3, 0);
337	IEM_MC_ARG(uint32_t *, pu32Dst, 0);
338	IEM_MC_ARG(uint32_t, u32Src, 1);
339	IEM_MC_ARG(uint32_t *, pEFlags, 2);
340
341	IEM_MC_FETCH_GREG_U32(u32Src, (bRm & X86_MODRM_RM_MASK) \| pVCpu->iem.s.uRexB);
342	IEM_MC_REF_GREG_U32(pu32Dst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
343	IEM_MC_REF_EFLAGS(pEFlags);
344	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU32, pu32Dst, u32Src, pEFlags);
345
346	IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst);
347	IEM_MC_ADVANCE_RIP();
348	IEM_MC_END();
349	break;
350
351	case IEMMODE_64BIT:
352	IEM_MC_BEGIN(3, 0);
353	IEM_MC_ARG(uint64_t *, pu64Dst, 0);
354	IEM_MC_ARG(uint64_t, u64Src, 1);
355	IEM_MC_ARG(uint32_t *, pEFlags, 2);
356
357	IEM_MC_FETCH_GREG_U64(u64Src, (bRm & X86_MODRM_RM_MASK) \| pVCpu->iem.s.uRexB);
358	IEM_MC_REF_GREG_U64(pu64Dst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
359	IEM_MC_REF_EFLAGS(pEFlags);
360	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU64, pu64Dst, u64Src, pEFlags);
361
362	IEM_MC_ADVANCE_RIP();
363	IEM_MC_END();
364	break;
365	}
366	}
367	else
368	{
369	/*
370	* We're accessing memory.
371	*/
372	switch (pVCpu->iem.s.enmEffOpSize)
373	{
374	case IEMMODE_16BIT:
375	IEM_MC_BEGIN(3, 1);
376	IEM_MC_ARG(uint16_t *, pu16Dst, 0);
377	IEM_MC_ARG(uint16_t, u16Src, 1);
378	IEM_MC_ARG(uint32_t *, pEFlags, 2);
379	IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
380
381	IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
382	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
383	IEM_MC_FETCH_MEM_U16(u16Src, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
384	IEM_MC_REF_GREG_U16(pu16Dst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
385	IEM_MC_REF_EFLAGS(pEFlags);
386	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU16, pu16Dst, u16Src, pEFlags);
387
388	IEM_MC_ADVANCE_RIP();
389	IEM_MC_END();
390	break;
391
392	case IEMMODE_32BIT:
393	IEM_MC_BEGIN(3, 1);
394	IEM_MC_ARG(uint32_t *, pu32Dst, 0);
395	IEM_MC_ARG(uint32_t, u32Src, 1);
396	IEM_MC_ARG(uint32_t *, pEFlags, 2);
397	IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
398
399	IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
400	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
401	IEM_MC_FETCH_MEM_U32(u32Src, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
402	IEM_MC_REF_GREG_U32(pu32Dst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
403	IEM_MC_REF_EFLAGS(pEFlags);
404	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU32, pu32Dst, u32Src, pEFlags);
405
406	IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst);
407	IEM_MC_ADVANCE_RIP();
408	IEM_MC_END();
409	break;
410
411	case IEMMODE_64BIT:
412	IEM_MC_BEGIN(3, 1);
413	IEM_MC_ARG(uint64_t *, pu64Dst, 0);
414	IEM_MC_ARG(uint64_t, u64Src, 1);
415	IEM_MC_ARG(uint32_t *, pEFlags, 2);
416	IEM_MC_LOCAL(RTGCPTR, GCPtrEffDst);
417
418	IEM_MC_CALC_RM_EFF_ADDR(GCPtrEffDst, bRm, 0);
419	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
420	IEM_MC_FETCH_MEM_U64(u64Src, pVCpu->iem.s.iEffSeg, GCPtrEffDst);
421	IEM_MC_REF_GREG_U64(pu64Dst, ((bRm >> X86_MODRM_REG_SHIFT) & X86_MODRM_REG_SMASK) \| pVCpu->iem.s.uRexReg);
422	IEM_MC_REF_EFLAGS(pEFlags);
423	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU64, pu64Dst, u64Src, pEFlags);
424
425	IEM_MC_ADVANCE_RIP();
426	IEM_MC_END();
427	break;
428	}
429	}
430	return VINF_SUCCESS;
431	}
432
433
434	/**
435	* Common worker for instructions like ADD, AND, OR, ++ with working on AL with
436	* a byte immediate.
437	*
438	* @param pImpl Pointer to the instruction implementation (assembly).
439	*/
440	FNIEMOP_DEF_1(iemOpHlpBinaryOperator_AL_Ib, PCIEMOPBINSIZES, pImpl)
441	{
442	uint8_t u8Imm; IEM_OPCODE_GET_NEXT_U8(&u8Imm);
443	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
444
445	IEM_MC_BEGIN(3, 0);
446	IEM_MC_ARG(uint8_t *, pu8Dst, 0);
447	IEM_MC_ARG_CONST(uint8_t, u8Src,/=/ u8Imm, 1);
448	IEM_MC_ARG(uint32_t *, pEFlags, 2);
449
450	IEM_MC_REF_GREG_U8(pu8Dst, X86_GREG_xAX);
451	IEM_MC_REF_EFLAGS(pEFlags);
452	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU8, pu8Dst, u8Src, pEFlags);
453
454	IEM_MC_ADVANCE_RIP();
455	IEM_MC_END();
456	return VINF_SUCCESS;
457	}
458
459
460	/**
461	* Common worker for instructions like ADD, AND, OR, ++ with working on
462	* AX/EAX/RAX with a word/dword immediate.
463	*
464	* @param pImpl Pointer to the instruction implementation (assembly).
465	*/
466	FNIEMOP_DEF_1(iemOpHlpBinaryOperator_rAX_Iz, PCIEMOPBINSIZES, pImpl)
467	{
468	switch (pVCpu->iem.s.enmEffOpSize)
469	{
470	case IEMMODE_16BIT:
471	{
472	uint16_t u16Imm; IEM_OPCODE_GET_NEXT_U16(&u16Imm);
473	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
474
475	IEM_MC_BEGIN(3, 0);
476	IEM_MC_ARG(uint16_t *, pu16Dst, 0);
477	IEM_MC_ARG_CONST(uint16_t, u16Src,/=/ u16Imm, 1);
478	IEM_MC_ARG(uint32_t *, pEFlags, 2);
479
480	IEM_MC_REF_GREG_U16(pu16Dst, X86_GREG_xAX);
481	IEM_MC_REF_EFLAGS(pEFlags);
482	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU16, pu16Dst, u16Src, pEFlags);
483
484	IEM_MC_ADVANCE_RIP();
485	IEM_MC_END();
486	return VINF_SUCCESS;
487	}
488
489	case IEMMODE_32BIT:
490	{
491	uint32_t u32Imm; IEM_OPCODE_GET_NEXT_U32(&u32Imm);
492	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
493
494	IEM_MC_BEGIN(3, 0);
495	IEM_MC_ARG(uint32_t *, pu32Dst, 0);
496	IEM_MC_ARG_CONST(uint32_t, u32Src,/=/ u32Imm, 1);
497	IEM_MC_ARG(uint32_t *, pEFlags, 2);
498
499	IEM_MC_REF_GREG_U32(pu32Dst, X86_GREG_xAX);
500	IEM_MC_REF_EFLAGS(pEFlags);
501	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU32, pu32Dst, u32Src, pEFlags);
502
503	if (pImpl != &g_iemAImpl_test)
504	IEM_MC_CLEAR_HIGH_GREG_U64_BY_REF(pu32Dst);
505	IEM_MC_ADVANCE_RIP();
506	IEM_MC_END();
507	return VINF_SUCCESS;
508	}
509
510	case IEMMODE_64BIT:
511	{
512	uint64_t u64Imm; IEM_OPCODE_GET_NEXT_S32_SX_U64(&u64Imm);
513	IEMOP_HLP_DONE_DECODING_NO_LOCK_PREFIX();
514
515	IEM_MC_BEGIN(3, 0);
516	IEM_MC_ARG(uint64_t *, pu64Dst, 0);
517	IEM_MC_ARG_CONST(uint64_t, u64Src,/=/ u64Imm, 1);
518	IEM_MC_ARG(uint32_t *, pEFlags, 2);
519
520	IEM_MC_REF_GREG_U64(pu64Dst, X86_GREG_xAX);
521	IEM_MC_REF_EFLAGS(pEFlags);
522	IEM_MC_CALL_VOID_AIMPL_3(pImpl->pfnNormalU64, pu64Dst, u64Src, pEFlags);
523
524	IEM_MC_ADVANCE_RIP();
525	IEM_MC_END();
526	return VINF_SUCCESS;
527	}
528
529	IEM_NOT_REACHED_DEFAULT_CASE_RET();
530	}
531	}
532
533
534	/** Opcodes 0xf1, 0xd6. */
535	FNIEMOP_DEF(iemOp_Invalid)
536	{
537	IEMOP_MNEMONIC(Invalid, "Invalid");
538	return IEMOP_RAISE_INVALID_OPCODE();
539	}
540
541
542	/** Invalid with RM byte . */
543	FNIEMOPRM_DEF(iemOp_InvalidWithRM)
544	{
545	RT_NOREF_PV(bRm);
546	IEMOP_MNEMONIC(InvalidWithRm, "InvalidWithRM");
547	return IEMOP_RAISE_INVALID_OPCODE();
548	}
549
550
551	/** Invalid with RM byte where intel requires 8-byte immediate.
552	* Intel will also need SIB and displacement if bRm indicates memory. */
553	FNIEMOPRM_DEF(iemOp_InvalidWithRMNeedImm8)
554	{
555	IEMOP_MNEMONIC(InvalidWithRMNeedImm8, "InvalidWithRMNeedImm8");
556	if (pVCpu->iem.s.enmCpuVendor == CPUMCPUVENDOR_INTEL)
557	{
558	#ifndef TST_IEM_CHECK_MC
559	if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
560	{
561	RTGCPTR GCPtrEff;
562	VBOXSTRICTRC rcStrict = iemOpHlpCalcRmEffAddr(pVCpu, bRm, 0, &GCPtrEff);
563	if (rcStrict != VINF_SUCCESS)
564	return rcStrict;
565	}
566	#endif
567	uint8_t bImm8; IEM_OPCODE_GET_NEXT_U8(&bImm8); RT_NOREF(bRm);
568	IEMOP_HLP_DONE_DECODING();
569	}
570	return IEMOP_RAISE_INVALID_OPCODE();
571	}
572
573
574	/** Invalid opcode where intel requires Mod R/M sequence. */
575	FNIEMOP_DEF(iemOp_InvalidNeedRM)
576	{
577	IEMOP_MNEMONIC(InvalidNeedRM, "InvalidNeedRM");
578	if (pVCpu->iem.s.enmCpuVendor == CPUMCPUVENDOR_INTEL)
579	{
580	uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm); RT_NOREF(bRm);
581	#ifndef TST_IEM_CHECK_MC
582	if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
583	{
584	RTGCPTR GCPtrEff;
585	VBOXSTRICTRC rcStrict = iemOpHlpCalcRmEffAddr(pVCpu, bRm, 0, &GCPtrEff);
586	if (rcStrict != VINF_SUCCESS)
587	return rcStrict;
588	}
589	#endif
590	IEMOP_HLP_DONE_DECODING();
591	}
592	return IEMOP_RAISE_INVALID_OPCODE();
593	}
594
595
596	/** Invalid opcode where intel requires Mod R/M sequence and 8-byte
597	* immediate. */
598	FNIEMOP_DEF(iemOp_InvalidNeedRMImm8)
599	{
600	IEMOP_MNEMONIC(InvalidNeedRMImm8, "InvalidNeedRMImm8");
601	if (pVCpu->iem.s.enmCpuVendor == CPUMCPUVENDOR_INTEL)
602	{
603	uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm); RT_NOREF(bRm);
604	#ifndef TST_IEM_CHECK_MC
605	if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
606	{
607	RTGCPTR GCPtrEff;
608	VBOXSTRICTRC rcStrict = iemOpHlpCalcRmEffAddr(pVCpu, bRm, 0, &GCPtrEff);
609	if (rcStrict != VINF_SUCCESS)
610	return rcStrict;
611	}
612	#endif
613	uint8_t bImm; IEM_OPCODE_GET_NEXT_U8(&bImm); RT_NOREF(bImm);
614	IEMOP_HLP_DONE_DECODING();
615	}
616	return IEMOP_RAISE_INVALID_OPCODE();
617	}
618
619
620	/** Invalid opcode where intel requires a 3rd escape byte and a Mod R/M
621	* sequence. */
622	FNIEMOP_DEF(iemOp_InvalidNeed3ByteEscRM)
623	{
624	IEMOP_MNEMONIC(InvalidNeed3ByteEscRM, "InvalidNeed3ByteEscRM");
625	if (pVCpu->iem.s.enmCpuVendor == CPUMCPUVENDOR_INTEL)
626	{
627	uint8_t b3rd; IEM_OPCODE_GET_NEXT_U8(&b3rd); RT_NOREF(b3rd);
628	uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm); RT_NOREF(bRm);
629	#ifndef TST_IEM_CHECK_MC
630	if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
631	{
632	RTGCPTR GCPtrEff;
633	VBOXSTRICTRC rcStrict = iemOpHlpCalcRmEffAddr(pVCpu, bRm, 0, &GCPtrEff);
634	if (rcStrict != VINF_SUCCESS)
635	return rcStrict;
636	}
637	#endif
638	IEMOP_HLP_DONE_DECODING();
639	}
640	return IEMOP_RAISE_INVALID_OPCODE();
641	}
642
643
644	/** Invalid opcode where intel requires a 3rd escape byte, Mod R/M sequence, and
645	* a 8-byte immediate. */
646	FNIEMOP_DEF(iemOp_InvalidNeed3ByteEscRMImm8)
647	{
648	IEMOP_MNEMONIC(InvalidNeed3ByteEscRMImm8, "InvalidNeed3ByteEscRMImm8");
649	if (pVCpu->iem.s.enmCpuVendor == CPUMCPUVENDOR_INTEL)
650	{
651	uint8_t b3rd; IEM_OPCODE_GET_NEXT_U8(&b3rd); RT_NOREF(b3rd);
652	uint8_t bRm; IEM_OPCODE_GET_NEXT_U8(&bRm); RT_NOREF(bRm);
653	#ifndef TST_IEM_CHECK_MC
654	if ((bRm & X86_MODRM_MOD_MASK) != (3 << X86_MODRM_MOD_SHIFT))
655	{
656	RTGCPTR GCPtrEff;
657	VBOXSTRICTRC rcStrict = iemOpHlpCalcRmEffAddr(pVCpu, bRm, 1, &GCPtrEff);
658	if (rcStrict != VINF_SUCCESS)
659	return rcStrict;
660	}
661	#endif
662	uint8_t bImm; IEM_OPCODE_GET_NEXT_U8(&bImm); RT_NOREF(bImm);
663	IEMOP_HLP_DONE_DECODING();
664	}
665	return IEMOP_RAISE_INVALID_OPCODE();
666	}
667
668
669	/** Repeats a_fn four times. For decoding tables. */
670	#define IEMOP_X4(a_fn) a_fn, a_fn, a_fn, a_fn
671
672	/*
673	* Include the tables.
674	*/
675	#include "IEMAllInstructionsTwoByte0f.cpp.h"
676	#include "IEMAllInstructionsOneByte.cpp.h"
677
678
679	#ifdef _MSC_VER
680	# pragma warning(pop)
681	#endif

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/src/VBox/VMM/VMMAll/IEMAllInstructions.cpp.h@ 65781

Download in other formats: