cidet.h@ 93115

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1	/* $Id: cidet.h 93115 2022-01-01 11:31:46Z vboxsync $ */
2	/** @file
3	* CPU Instruction Decoding & Execution Tests - C/C++ Header.
4	*/
5
6	/*
7	* Copyright (C) 2014-2022 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	* The contents of this file may alternatively be used under the terms
18	* of the Common Development and Distribution License Version 1.0
19	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	* VirtualBox OSE distribution, in which case the provisions of the
21	* CDDL are applicable instead of those of the GPL.
22	*
23	* You may elect to license modified versions of this file under the
24	* terms and conditions of either the GPL or the CDDL or both.
25	*/
26
27	#ifndef VBOX_INCLUDED_SRC_cpu_cidet_h
28	#define VBOX_INCLUDED_SRC_cpu_cidet_h
29	#ifndef RT_WITHOUT_PRAGMA_ONCE
30	# pragma once
31	#endif
32
33	#include <iprt/types.h>
34	#include <iprt/x86.h>
35
36
37	/** @name CIDET - Operand flags.
38	* @{ */
39	#define CIDET_OF_FIXED_MASK UINT32_C(0x0000001f) /*< Fixed register/whatever mask. /
40
41	#define CIDET_OF_Z_SHIFT 8 /*< Size shift. /
42	#define CIDET_OF_Z_MASK UINT32_C(0x00000f00) /*< Size mask. /
43	#define CIDET_OF_Z_NONE UINT32_C(0x00000000) /*< Unused zero value. /
44	#define CIDET_OF_Z_BYTE UINT32_C(0x00000100) /*< Byte size. /
45	#define CIDET_OF_Z_WORD UINT32_C(0x00000200) /*< Word (2 bytes) size. /
46	#define CIDET_OF_Z_DWORD UINT32_C(0x00000300) /*< Double word (4 bytes) size. /
47	#define CIDET_OF_Z_QWORD UINT32_C(0x00000400) /*< Quad word (8 bytes) size. /
48	#define CIDET_OF_Z_TBYTE UINT32_C(0x00000500) /*< Ten byte (10 bytes) size - aka TWORD. /
49	#define CIDET_OF_Z_OWORD UINT32_C(0x00000600) /*< Octa word (16 bytes) size - aka DQWORD. /
50	#define CIDET_OF_Z_YWORD UINT32_C(0x00000700) /*< Yxx sized, i.e. 32 bytes. /
51	#define CIDET_OF_Z_ZWORD UINT32_C(0x00000800) /*< Zxx sized, i.e. 64 bytes. /
52	#define CIDET_OF_Z_VAR_WDQ UINT32_C(0x00000900) /*< Variable size depending on size prefix (2, 4, or 8 bytes). /
53	#define CIDET_OF_Z_SPECIAL UINT32_C(0x00000f00) /*< Special size, see instruction flags or smth. /
54
55	#define CIDET_OF_K_MASK UINT32_C(0x0000f000) /*< Kind of operand. /
56	#define CIDET_OF_K_NONE UINT32_C(0x00000000) /*< Unused zero value. /
57	#define CIDET_OF_K_GPR UINT32_C(0x00001000) /*< General purpose register. Includes memory when used with CIDET_OF_M_RM. /
58	#define CIDET_OF_K_SREG UINT32_C(0x00002000) /*< Segment register. /
59	#define CIDET_OF_K_CR UINT32_C(0x00003000) /*< Control register. /
60	#define CIDET_OF_K_SSE UINT32_C(0x00004000) /*< SSE register. /
61	#define CIDET_OF_K_AVX UINT32_C(0x00005000) /*< AVX register. /
62	#define CIDET_OF_K_AVX512 UINT32_C(0x00006000) /*< AVX-512 register. /
63	#define CIDET_OF_K_AVXFUTURE UINT32_C(0x00007000) /*< Reserved for future AVX register set. /
64	#define CIDET_OF_K_VRX_TST_MASK UINT32_C(0x0000c000) /*< Used for testing for VRX register kind, see CIDET_OF_K_IS_VRX. /
65	#define CIDET_OF_K_VRX_TST_RES UINT32_C(0x00004000) /*< Used for testing for VRX register kind, see CIDET_OF_K_IS_VRX. /
66	#define CIDET_OF_K_FPU UINT32_C(0x00008000) /*< FPU register. /
67	#define CIDET_OF_K_MMX UINT32_C(0x00009000) /*< MMX register. /
68	#define CIDET_OF_K_TEST UINT32_C(0x0000a000) /*< Test register. /
69	#define CIDET_OF_K_IMM UINT32_C(0x0000d000) /*< Immediate. /
70	#define CIDET_OF_K_MEM UINT32_C(0x0000e000) /*< Memory. /
71	#define CIDET_OF_K_SPECIAL UINT32_C(0x0000f000) /*< Special. /
72	/** Check if @a a_fOp is a general purpose register. */
73	#define CIDET_OF_K_IS_GPR(a_fOp) ( ((a_fOp) & CIDET_OF_K_MASK) == CIDET_OF_K_GPR )
74	/** Check if @a a_fOp is a XMM (SSE), YMM (AVX), ZMM (AVX-512) or similar register. */
75	#define CIDET_OF_K_IS_VRX(a_fOp) ( ((a_fOp) & CIDET_OF_K_VRX_TST_MASK) == CIDET_OF_K_VRX_TST_RES )
76	/** Check if @a a_fOp1 and @a a_fOp2 specify the same kind of register,
77	* treating SSE, AVX, AVX-512 and AVX-future as the same kind and ignoring the
78	* special register kind. */
79	#define CIDET_OF_K_IS_SAME(a_fOp1, a_fOp2) \
80	( ((a_fOp1) & CIDET_OF_K_MASK) == ((a_fOp2) & CIDET_OF_K_MASK) \
81	? ((a_fOp1) & CIDET_OF_K_MASK) != CIDET_OF_K_SPECIAL \
82	: (CIDET_OF_K_IS_VRX(a_fOp1) && CIDET_OF_K_IS_VRX(a_fOp2)) )
83
84	#define CIDET_OF_M_RM_ONLY_R UINT32_C(0x00010000)
85	#define CIDET_OF_M_RM_ONLY_M UINT32_C(0x00020000)
86	#define CIDET_OF_M_RM (CIDET_OF_M_RM_ONLY_R \| CIDET_OF_M_RM_ONLY_M)
87	#define CIDET_OF_M_REG UINT32_C(0x00040000)
88
89	#define CIDET_OF_A_R UINT32_C(0x00080000) /*< Read access. /
90	#define CIDET_OF_A_W UINT32_C(0x00100000) /*< Write access. /
91	#define CIDET_OF_A_RW UINT32_C(0x00180000) /*< Read & write access. /
92
93	/** The operand defaults to 64-bit width in 64-bit mode, making 32-bit width
94	* inaccessible. */
95	#define CIDET_OF_DEFAULT_64BIT UINT32_C(0x40000000)
96	/** Operand always uses the ES segment for memory accesses. */
97	#define CIDET_OF_ALWAYS_SEG_ES UINT32_C(0x80000000)
98	/** @} */
99
100
101	/** @name CIDET - Instruction flags.
102	* @{ */
103	#define CIDET_IF_MODRM RT_BIT_64(0) /*< ModR/M encoded. /
104	#define CIDET_IF_PRIVILEGED RT_BIT_64(1) /*< Privileged. /
105	/** @} */
106
107
108	/**
109	* Callback function for setting up the input and expected output CPU contexts.
110	*
111	* @returns VBox status code.
112	* @retval VINF_EOF when static test data wraps (first entry is returned).
113	* @retval VERR_NO_DATA if @a fInvalid is set and there are no invalid operand
114	* values for this instruction.
115	* @retval VERR_NOT_SUPPORTED if something in the setup prevents us from
116	* comming up with working set of inputs and outputs.
117	*
118	* @param pThis The core CIDET state structure. The InCtx
119	* and ExpectedCtx members will be modified.
120	* @param fInvalid When set, get the next invalid operands that will
121	* cause exceptions/faults.
122	*/
123	typedef DECLCALLBACKTYPE(int, FNCIDETSETUPINOUT,(struct CIDETCORE *pThis, bool fInvalid));
124	/** Pointer to a FNCIDETSETUPINOUT function. */
125	typedef FNCIDETSETUPINOUT *PFNCIDETSETUPINOUT;
126
127
128	/**
129	* Instruction test descriptor.
130	*/
131	typedef struct CIDETINSTR
132	{
133	/** The mnemonic (kind of). */
134	const char *pszMnemonic;
135	/** Setup input and outputs. */
136	PFNCIDETSETUPINOUT pfnSetupInOut;
137	/** Number of opcode bytes. */
138	uint8_t cbOpcode;
139	/** Opcode byte(s). */
140	uint8_t abOpcode[3];
141	/** Mandatory prefix (zero if not applicable). */
142	uint8_t bMandatoryPrefix;
143	/** Number of operands. */
144	uint8_t cOperands;
145	/** Operand flags. */
146	uint32_t afOperands[4];
147	/** Flags. */
148	uint64_t fFlags;
149	} CIDETINSTR;
150	/** Pointer to an instruction test descriptor. */
151	typedef CIDETINSTR const *PCCIDETINSTR;
152
153
154	/**
155	* CPU Context with a few extra bits for expectations and results.
156	*/
157	typedef struct CIDETCPUCTX
158	{
159	uint64_t rip;
160	uint64_t rfl;
161	uint64_t aGRegs[16];
162	uint16_t aSRegs[6];
163
164	#ifndef CIDET_REDUCED_CTX
165	uint16_t tr;
166	uint16_t ldtr;
167	uint64_t cr0;
168	#else
169	uint16_t au16Padding[2];
170	#endif
171	uint64_t cr2;
172	#ifndef CIDET_REDUCED_CTX
173	uint64_t cr3;
174	uint64_t cr4;
175	uint64_t cr8;
176	uint64_t dr0;
177	uint64_t dr1;
178	uint64_t dr2;
179	uint64_t dr3;
180	uint64_t dr6;
181	uint64_t dr7;
182	#endif
183
184	uint64_t uErr; /*< Exception error code. UINT64_MAX if not applicable. (Not for input context.) /
185	uint32_t uXcpt; /*< Exception number. UINT32_MAX if no exception. (Not for input context.) /
186
187	uint32_t fIgnoredRFlags; /*< Only for expected result. /
188	bool fTrickyStack; /*< Set if the stack might be bad. May come at the cost of accurate flags (32-bit). /
189	} CIDETCPUCTX;
190	typedef CIDETCPUCTX *PCIDETCPUCTX;
191	typedef CIDETCPUCTX const *PCCIDETCPUCTX;
192
193	/** Number of bytes of CIDETCPUCTX that can be compared quickly using memcmp.
194	* Anything following these bytes are not relevant to the compare. */
195	#define CIDETCPUCTX_COMPARE_SIZE RT_UOFFSETOF(CIDETCPUCTX, fIgnoredRFlags)
196
197
198	/** @name CPU mode + bits + environment.
199	* @{ */
200	#define CIDETMODE_BIT_MASK UINT8_C(0x0e) /*< The instruction bit count. Results in byte size when masked. /
201	#define CIDETMODE_BIT_16 UINT8_C(0x02) /*< 16-bit instructions. /
202	#define CIDETMODE_BIT_32 UINT8_C(0x04) /*< 32-bit instructions. /
203	#define CIDETMODE_BIT_64 UINT8_C(0x08) /*< 64-bit instructions. /
204	#define CIDETMODE_MODE_MASK UINT8_C(0x70) /*< CPU mode mask. /
205	#define CIDETMODE_MODE_RM UINT8_C(0x00) /*< Real mode. /
206	#define CIDETMODE_MODE_PE UINT8_C(0x10) /*< Protected mode without paging. /
207	#define CIDETMODE_MODE_PP UINT8_C(0x20) /*< Paged protected mode. /
208	#define CIDETMODE_MODE_PAE UINT8_C(0x30) /*< PAE protected mode (paged). /
209	#define CIDETMODE_MODE_LM UINT8_C(0x40) /*< Long mode (paged). /
210	#define CIDETMODE_ENV_MASK UINT8_C(0x81) /*< Execution environment. /
211	#define CIDETMODE_ENV_NORMAL UINT8_C(0x01) /*< Normal environment. /
212	#define CIDETMODE_ENV_V86 UINT8_C(0x80) /*< V8086 environment. /
213	#define CIDETMODE_RM (CIDETMODE_MODE_RM \| CIDETMODE_BIT_16 \| CIDETMODE_ENV_NORMAL)
214	#define CIDETMODE_PE_16 (CIDETMODE_MODE_PE \| CIDETMODE_BIT_16 \| CIDETMODE_ENV_NORMAL)
215	#define CIDETMODE_PE_32 (CIDETMODE_MODE_PE \| CIDETMODE_BIT_32 \| CIDETMODE_ENV_NORMAL)
216	#define CIDETMODE_PE_V86 (CIDETMODE_MODE_PE \| CIDETMODE_BIT_16 \| CIDETMODE_ENV_V86)
217	#define CIDETMODE_PP_16 (CIDETMODE_MODE_PP \| CIDETMODE_BIT_16 \| CIDETMODE_ENV_NORMAL)
218	#define CIDETMODE_PP_32 (CIDETMODE_MODE_PP \| CIDETMODE_BIT_32 \| CIDETMODE_ENV_NORMAL)
219	#define CIDETMODE_PP_V86 (CIDETMODE_MODE_PP \| CIDETMODE_BIT_16 \| CIDETMODE_ENV_V86)
220	#define CIDETMODE_PAE_16 (CIDETMODE_MODE_PAE \| CIDETMODE_BIT_16 \| CIDETMODE_ENV_NORMAL)
221	#define CIDETMODE_PAE_32 (CIDETMODE_MODE_PAE \| CIDETMODE_BIT_32 \| CIDETMODE_ENV_NORMAL)
222	#define CIDETMODE_PAE_V86 (CIDETMODE_MODE_PAE \| CIDETMODE_BIT_16 \| CIDETMODE_ENV_V86)
223	#define CIDETMODE_LM_16 (CIDETMODE_MODE_LM \| CIDETMODE_BIT_16 \| CIDETMODE_ENV_NORMAL)
224	#define CIDETMODE_LM_32 (CIDETMODE_MODE_LM \| CIDETMODE_BIT_32 \| CIDETMODE_ENV_NORMAL)
225	#define CIDETMODE_LM_64 (CIDETMODE_MODE_LM \| CIDETMODE_BIT_64 \| CIDETMODE_ENV_NORMAL)
226	/** Test if @a a_bMode is a 16-bit mode. */
227	#define CIDETMODE_IS_16BIT(a_bMode) ( ((a_bMode) & CIDETMODE_BIT_MASK) == CIDETMODE_BIT_16 )
228	/** Test if @a a_bMode is a 32-bit mode. */
229	#define CIDETMODE_IS_32BIT(a_bMode) ( ((a_bMode) & CIDETMODE_BIT_MASK) == CIDETMODE_BIT_32 )
230	/** Test if @a a_bMode is a 64-bit mode. */
231	#define CIDETMODE_IS_64BIT(a_bMode) ( ((a_bMode) & CIDETMODE_BIT_MASK) == CIDETMODE_BIT_64 )
232	/** Get the instruction bit count. */
233	#define CIDETMODE_GET_BIT_COUNT(a_bMode) ( CIDETMODE_GET_BYTE_COUNT(a_bMode) * 8 )
234	/** Get the instruction byte count. */
235	#define CIDETMODE_GET_BYTE_COUNT(a_bMode) ( (a_bMode) & CIDETMODE_BIT_MASK )
236	/** Test if @a a_bMode long mode. */
237	#define CIDETMODE_IS_LM(a_bMode) ( ((a_bMode) & CIDETMODE_MODE_MASK) == CIDETMODE_MODE_LM )
238	/** Test if @a a_bMode some kind of protected mode. */
239	#define CIDETMODE_IS_PROT(a_bMode) ( ((a_bMode) & CIDETMODE_MODE_MASK) >= CIDETMODE_MODE_PE )
240
241	/** @} */
242
243
244	/** @name Test Configuration Flags.
245	* @{ */
246	#define CIDET_TESTCFG_SEG_PRF_CS UINT64_C(0x0000000000000001)
247	#define CIDET_TESTCFG_SEG_PRF_SS UINT64_C(0x0000000000000002)
248	#define CIDET_TESTCFG_SEG_PRF_DS UINT64_C(0x0000000000000004)
249	#define CIDET_TESTCFG_SEG_PRF_ES UINT64_C(0x0000000000000008)
250	#define CIDET_TESTCFG_SEG_PRF_FS UINT64_C(0x0000000000000010)
251	#define CIDET_TESTCFG_SEG_PRF_GS UINT64_C(0x0000000000000020)
252	#define CIDET_TESTCFG_SEG_PRF_MASK UINT64_C(0x000000000000003f)
253	/** @} */
254
255	/** */
256	typedef enum CIDETREG
257	{
258	kCidetReg_Gpr_Invalid = 0,
259
260	kCidetReg_Gpr_al,
261	kCidetReg_Gpr_cl,
262	kCidetReg_Gpr_dl,
263	kCidetReg_Gpr_bl,
264	kCidetReg_Gpr_spl,
265	kCidetReg_Gpr_bpl,
266	kCidetReg_Gpr_sil,
267	kCidetReg_Gpr_dil,
268	kCidetReg_Gpr_r8b,
269	kCidetReg_Gpr_r9b,
270	kCidetReg_Gpr_r10b,
271	kCidetReg_Gpr_r11b,
272	kCidetReg_Gpr_r12b,
273	kCidetReg_Gpr_r13b,
274	kCidetReg_Gpr_r14b,
275	kCidetReg_Gpr_r15b,
276	kCidetReg_Gpr_ah,
277	kCidetReg_Gpr_ch,
278	kCidetReg_Gpr_dh,
279	kCidetReg_Gpr_bh,
280	#define kCidetReg_Gpr_Byte_First kCidetReg_Gpr_al
281	#define kCidetReg_Gpr_Byte_First_Upper kCidetReg_Gpr_ah
282	#define kCidetReg_Gpr_Byte_Last kCidetReg_Gpr_bh
283
284	kCidetReg_Gpr_ax,
285	kCidetReg_Gpr_cx,
286	kCidetReg_Gpr_dx,
287	kCidetReg_Gpr_bx,
288	kCidetReg_Gpr_sp,
289	kCidetReg_Gpr_bp,
290	kCidetReg_Gpr_si,
291	kCidetReg_Gpr_di,
292	kCidetReg_Gpr_r8w,
293	kCidetReg_Gpr_r9w,
294	kCidetReg_Gpr_r10w,
295	kCidetReg_Gpr_r11w,
296	kCidetReg_Gpr_r12w,
297	kCidetReg_Gpr_r13w,
298	kCidetReg_Gpr_r14w,
299	kCidetReg_Gpr_r15w,
300	#define kCidetReg_Gpr_Word_First kCidetReg_Gpr_ax
301	#define kCidetReg_Gpr_Word_Last kCidetReg_Gpr_r15w
302
303	kCidetReg_Gpr_eax,
304	kCidetReg_Gpr_ecx,
305	kCidetReg_Gpr_edx,
306	kCidetReg_Gpr_ebx,
307	kCidetReg_Gpr_esp,
308	kCidetReg_Gpr_ebp,
309	kCidetReg_Gpr_esi,
310	kCidetReg_Gpr_edi,
311	kCidetReg_Gpr_r8d,
312	kCidetReg_Gpr_r9d,
313	kCidetReg_Gpr_r10d,
314	kCidetReg_Gpr_r11d,
315	kCidetReg_Gpr_r12d,
316	kCidetReg_Gpr_r13d,
317	kCidetReg_Gpr_r14d,
318	kCidetReg_Gpr_r15d,
319	#define kCidetReg_Gpr_DWord_First kCidetReg_Gpr_eax
320	#define kCidetReg_Gpr_DWord_Last kCidetReg_Gpr_r15d
321
322	kCidetReg_Gpr_rax,
323	kCidetReg_Gpr_rcx,
324	kCidetReg_Gpr_rdx,
325	kCidetReg_Gpr_rbx,
326	kCidetReg_Gpr_rsp,
327	kCidetReg_Gpr_rbp,
328	kCidetReg_Gpr_rsi,
329	kCidetReg_Gpr_rdi,
330	kCidetReg_Gpr_r8,
331	kCidetReg_Gpr_r9,
332	kCidetReg_Gpr_r10,
333	kCidetReg_Gpr_r11,
334	kCidetReg_Gpr_r12,
335	kCidetReg_Gpr_r13,
336	kCidetReg_Gpr_r14,
337	kCidetReg_Gpr_r15,
338	#define kCidetReg_Gpr_QWord_First kCidetReg_Gpr_rax
339	#define kCidetReg_Gpr_QWord_Last kCidetReg_Gpr_r15
340
341	kCidetReg_Seg_es,
342	kCidetReg_Seg_cs,
343	kCidetReg_Seg_ss,
344	kCidetReg_Seg_ds,
345	kCidetReg_Seg_fs,
346	kCidetReg_Seg_gs,
347	kCidetReg_Seg_Inv6,
348	kCidetReg_Seg_Inv7,
349	#define kCidetReg_Seg_First kCidetReg_Seg_es
350	#define kCidetReg_Seg_Last kCidetReg_Seg_gs
351	#define kCidetReg_Seg_Last_Inv kCidetReg_Seg_Inv7
352
353	kCidetReg_Misc_ip,
354	kCidetReg_Misc_eip,
355	kCidetReg_Misc_rip,
356	kCidetReg_Misc_flags,
357	kCidetReg_Misc_eflags,
358	kCidetReg_Misc_rflags,
359	kCidetReg_Misc_tr,
360	kCidetReg_Misc_ldtr,
361	kCidetReg_Misc_gdtr,
362	kCidetReg_Misc_idtr,
363
364	kCidetReg_Ctrl_cr0,
365	kCidetReg_Ctrl_cr1,
366	kCidetReg_Ctrl_cr2,
367	kCidetReg_Ctrl_cr3,
368	kCidetReg_Ctrl_cr4,
369	kCidetReg_Ctrl_cr5,
370	kCidetReg_Ctrl_cr6,
371	kCidetReg_Ctrl_cr7,
372	kCidetReg_Ctrl_cr8,
373	kCidetReg_Ctrl_cr9,
374	kCidetReg_Ctrl_cr10,
375	kCidetReg_Ctrl_cr11,
376	kCidetReg_Ctrl_cr12,
377	kCidetReg_Ctrl_cr13,
378	kCidetReg_Ctrl_cr14,
379	kCidetReg_Ctrl_cr15,
380	#define kCidetReg_Ctrl_First kCidetReg_Ctrl_cr0
381	#define kCidetReg_Ctrl_Last kCidetReg_Ctrl_cr15
382	#define CIDETREG_CTRL_IS_VALID(a_iReg) ( (a_iReg) == kCidetReg_Ctrl_cr0 \
383	&& (a_iReg) == kCidetReg_Ctrl_cr2 \
384	&& (a_iReg) == kCidetReg_Ctrl_cr3 \
385	&& (a_iReg) == kCidetReg_Ctrl_cr4 \
386	&& (a_iReg) == kCidetReg_Ctrl_cr8 )
387
388	kCidetReg_Dbg_dr0,
389	kCidetReg_Dbg_dr1,
390	kCidetReg_Dbg_dr2,
391	kCidetReg_Dbg_dr3,
392	kCidetReg_Dbg_dr4,
393	kCidetReg_Dbg_dr5,
394	kCidetReg_Dbg_dr6,
395	kCidetReg_Dbg_dr7,
396	kCidetReg_Dbg_dr8,
397	kCidetReg_Dbg_dr9,
398	kCidetReg_Dbg_dr10,
399	kCidetReg_Dbg_dr11,
400	kCidetReg_Dbg_dr12,
401	kCidetReg_Dbg_dr13,
402	kCidetReg_Dbg_dr14,
403	kCidetReg_Dbg_dr15,
404	#define kCidetReg_Dbg_First kCidetReg_Dbg_dr0
405	#define kCidetReg_Dbg_Last kCidetReg_Dbg_dr15
406	#define CIDETREG_DBG_IS_VALID(a_iReg) ((a_iReg) < kCidetReg_Dbg_dr8 && (a_iReg) >= kCidetReg_Dbg_First)
407
408	kCidetReg_Test_tr0,
409	kCidetReg_Test_tr1,
410	kCidetReg_Test_tr2,
411	kCidetReg_Test_tr3,
412	kCidetReg_Test_tr4,
413	kCidetReg_Test_tr5,
414	kCidetReg_Test_tr6,
415	kCidetReg_Test_tr7,
416	kCidetReg_Test_tr8,
417	kCidetReg_Test_tr9,
418	kCidetReg_Test_tr10,
419	kCidetReg_Test_tr11,
420	kCidetReg_Test_tr12,
421	kCidetReg_Test_tr13,
422	kCidetReg_Test_tr14,
423	kCidetReg_Test_tr15,
424	#define kCidetReg_Test_First kCidetReg_Test_tr0
425	#define kCidetReg_Test_Last kCidetReg_Test_tr15
426
427	kCidetReg_Fpu_st0,
428	kCidetReg_Fpu_st1,
429	kCidetReg_Fpu_st2,
430	kCidetReg_Fpu_st3,
431	kCidetReg_Fpu_st4,
432	kCidetReg_Fpu_st5,
433	kCidetReg_Fpu_st6,
434	kCidetReg_Fpu_st7,
435	#define kCidetReg_Fpu_First kCidetReg_Mmx_st0
436	#define kCidetReg_Fpu_Last kCidetReg_Mmx_st7
437
438	kCidetReg_FpuMisc_cs,
439	kCidetReg_FpuMisc_ip,
440	kCidetReg_FpuMisc_ds,
441	kCidetReg_FpuMisc_dp,
442	kCidetReg_FpuMisc_fop,
443	kCidetReg_FpuMisc_ftw,
444	kCidetReg_FpuMisc_fsw,
445	kCidetReg_FpuMisc_fcw,
446	kCidetReg_FpuMisc_mxcsr_mask,
447	kCidetReg_FpuMisc_mxcsr,
448
449	kCidetReg_Mmx_mm0,
450	kCidetReg_Mmx_mm1,
451	kCidetReg_Mmx_mm2,
452	kCidetReg_Mmx_mm3,
453	kCidetReg_Mmx_mm4,
454	kCidetReg_Mmx_mm5,
455	kCidetReg_Mmx_mm6,
456	kCidetReg_Mmx_mm7,
457	#define kCidetReg_Mmx_First kCidetReg_Mmx_mm0
458	#define kCidetReg_Mmx_Last kCidetReg_Mmx_mm7
459
460	kCidetReg_Sse_xmm0,
461	kCidetReg_Sse_xmm1,
462	kCidetReg_Sse_xmm2,
463	kCidetReg_Sse_xmm3,
464	kCidetReg_Sse_xmm4,
465	kCidetReg_Sse_xmm5,
466	kCidetReg_Sse_xmm6,
467	kCidetReg_Sse_xmm7,
468	kCidetReg_Sse_xmm8,
469	kCidetReg_Sse_xmm9,
470	kCidetReg_Sse_xmm10,
471	kCidetReg_Sse_xmm11,
472	kCidetReg_Sse_xmm12,
473	kCidetReg_Sse_xmm13,
474	kCidetReg_Sse_xmm14,
475	kCidetReg_Sse_xmm15,
476	kCidetReg_Sse_xmm16,
477	kCidetReg_Sse_xmm17,
478	kCidetReg_Sse_xmm18,
479	kCidetReg_Sse_xmm19,
480	kCidetReg_Sse_xmm20,
481	kCidetReg_Sse_xmm21,
482	kCidetReg_Sse_xmm22,
483	kCidetReg_Sse_xmm23,
484	kCidetReg_Sse_xmm24,
485	kCidetReg_Sse_xmm25,
486	kCidetReg_Sse_xmm26,
487	kCidetReg_Sse_xmm27,
488	kCidetReg_Sse_xmm28,
489	kCidetReg_Sse_xmm29,
490	kCidetReg_Sse_xmm30,
491	kCidetReg_Sse_xmm31,
492	#define kCidetReg_Sse_First kCidetReg_Mmx_Xmm0
493	#define kCidetReg_Sse_Last kCidetReg_Mmx_Xmm15
494	#define kCidetReg_Sse_Last_Avx512 kCidetReg_Mmx_Xmm31
495
496	kCidetReg_Avx_Ymm0,
497	kCidetReg_Avx_Ymm1,
498	kCidetReg_Avx_Ymm2,
499	kCidetReg_Avx_Ymm3,
500	kCidetReg_Avx_Ymm4,
501	kCidetReg_Avx_Ymm5,
502	kCidetReg_Avx_Ymm6,
503	kCidetReg_Avx_Ymm7,
504	kCidetReg_Avx_Ymm8,
505	kCidetReg_Avx_Ymm9,
506	kCidetReg_Avx_Ymm10,
507	kCidetReg_Avx_Ymm11,
508	kCidetReg_Avx_Ymm12,
509	kCidetReg_Avx_Ymm13,
510	kCidetReg_Avx_Ymm14,
511	kCidetReg_Avx_Ymm15,
512	kCidetReg_Avx_Ymm16,
513	kCidetReg_Avx_Ymm17,
514	kCidetReg_Avx_Ymm18,
515	kCidetReg_Avx_Ymm19,
516	kCidetReg_Avx_Ymm20,
517	kCidetReg_Avx_Ymm21,
518	kCidetReg_Avx_Ymm22,
519	kCidetReg_Avx_Ymm23,
520	kCidetReg_Avx_Ymm24,
521	kCidetReg_Avx_Ymm25,
522	kCidetReg_Avx_Ymm26,
523	kCidetReg_Avx_Ymm27,
524	kCidetReg_Avx_Ymm28,
525	kCidetReg_Avx_Ymm29,
526	kCidetReg_Avx_Ymm30,
527	kCidetReg_Avx_Ymm31,
528	#define kCidetReg_Avx_First kCidetReg_Avx_Ymm0
529	#define kCidetReg_Avx_Last kCidetReg_Avx_Ymm15
530	#define kCidetReg_Avx_Last_Avx512 kCidetReg_Avx_Ymm31
531
532	kCidetReg_Avx512_Zmm0,
533	kCidetReg_Avx512_Zmm1,
534	kCidetReg_Avx512_Zmm2,
535	kCidetReg_Avx512_Zmm3,
536	kCidetReg_Avx512_Zmm4,
537	kCidetReg_Avx512_Zmm5,
538	kCidetReg_Avx512_Zmm6,
539	kCidetReg_Avx512_Zmm7,
540	kCidetReg_Avx512_Zmm8,
541	kCidetReg_Avx512_Zmm9,
542	kCidetReg_Avx512_Zmm10,
543	kCidetReg_Avx512_Zmm11,
544	kCidetReg_Avx512_Zmm12,
545	kCidetReg_Avx512_Zmm13,
546	kCidetReg_Avx512_Zmm14,
547	kCidetReg_Avx512_Zmm15,
548	kCidetReg_Avx512_Zmm16,
549	kCidetReg_Avx512_Zmm17,
550	kCidetReg_Avx512_Zmm18,
551	kCidetReg_Avx512_Zmm19,
552	kCidetReg_Avx512_Zmm20,
553	kCidetReg_Avx512_Zmm21,
554	kCidetReg_Avx512_Zmm22,
555	kCidetReg_Avx512_Zmm23,
556	kCidetReg_Avx512_Zmm24,
557	kCidetReg_Avx512_Zmm25,
558	kCidetReg_Avx512_Zmm26,
559	kCidetReg_Avx512_Zmm27,
560	kCidetReg_Avx512_Zmm28,
561	kCidetReg_Avx512_Zmm29,
562	kCidetReg_Avx512_Zmm30,
563	kCidetReg_Avx512_Zmm31,
564	#define kCidetReg_Avx512_First kCidetReg_Avx512_Zmm0
565	#define kCidetReg_Avx512_Last kCidetReg_Avx512_Zmm31
566
567	kCidetReg_End
568	} CIDETREG;
569
570
571	/** @name CIDETBUF_XXX - buffer flags.
572	* @{ */
573	#define CIDETBUF_PROT_MASK UINT32_C(0x0000000f) /*< Page protection mask. /
574	#define CIDETBUF_PROT_RWX UINT32_C(0x00000001) /*< Read + write + execute. /
575	#define CIDETBUF_PROT_RWNX UINT32_C(0x00000002) /*< Read + write + no execute. /
576	#define CIDETBUF_PROT_RX UINT32_C(0x00000003) /*< Read + execute. /
577	#define CIDETBUF_PROT_RNX UINT32_C(0x00000004) /*< Read + no execute. /
578	#define CIDETBUF_PROT_RWX_1NP UINT32_C(0x00000005) /*< Read + write + execute; 1 page not present. /
579	#define CIDETBUF_PROT_RWX_1RWNX UINT32_C(0x00000006) /*< Read + write + execute; 1 page read + write + no execute. /
580	#define CIDETBUF_PROT_RWX_1RNX UINT32_C(0x00000007) /*< Read + write + execute; 1 page read + no execute. /
581	#define CIDETBUF_PROT_RWX_1RWXS UINT32_C(0x00000008) /*< Read + write + execute; 1 page read + execute + supervisor. /
582
583	#define CIDETBUF_LOC_MASK UINT32_C(0x000000f0) /*< Location mask. /
584	/** Buffer located at top and start of the 32-bit address space. */
585	#define CIDETBUF_LOC_32BIT_WRAP UINT32_C(0x00000010)
586	/** Buffer located at the low canonical boundrary (AMD64). */
587	#define CIDETBUF_LOC_CANON_LO UINT32_C(0x00000020)
588	/** Buffer located at the high canonical boundrary (AMD64). */
589	#define CIDETBUF_LOC_CANON_HI UINT32_C(0x00000030)
590
591	/** Segment protection mask. */
592	#define CIDETBUF_SEG_MASK UINT32_C(0x00000f00)
593	#define CIDETBUF_SEG_EO UINT32_C(0x00000100) /*< Execute only /
594	#define CIDETBUF_SEG_ER UINT32_C(0x00000200) /*< Execute + read /
595	#define CIDETBUF_SEG_EO_CONF UINT32_C(0x00000300) /*< Execute only + conforming. /
596	#define CIDETBUF_SEG_ER_CONF UINT32_C(0x00000400) /*< Execute + read + conforming. /
597	#define CIDETBUF_SEG_RO UINT32_C(0x00000500) /*< Read only. /
598	#define CIDETBUF_SEG_RW UINT32_C(0x00000600) /*< Read + write. /
599	#define CIDETBUF_SEG_RO_DOWN UINT32_C(0x00000700) /*< Read only + expand down. /
600	#define CIDETBUF_SEG_RW_DOWN UINT32_C(0x00000800) /*< Read + write + expand down. /
601
602	#define CIDETBUF_DPL_MASK UINT32_C(0x00003000) /*< DPL mask. /
603	#define CIDETBUF_DPL_0 UINT32_C(0x00000000) /*< DPL=0. /
604	#define CIDETBUF_DPL_1 UINT32_C(0x00001000) /*< DPL=1. /
605	#define CIDETBUF_DPL_2 UINT32_C(0x00002000) /*< DPL=2. /
606	#define CIDETBUF_DPL_3 UINT32_C(0x00003000) /*< DPL=3. /
607	#define CIDETBUF_DPL_SAME UINT32_C(0x00004000) /*< Same DPL as the execution environment. /
608
609	#define CIDETBUF_SEG_LIMIT_BASE_CAP UINT32_C(0x00008000) /*< Capability to change segment limit and base. /
610
611	#define CIDETBUF_KIND_DATA UINT32_C(0x00000000) /*< Data buffer. /
612	#define CIDETBUF_KIND_CODE UINT32_C(0x80000000) /*< Code buffer. /
613	/** Checks if @a a_fFlags describes a code buffer. */
614	#define CIDETBUF_IS_CODE(a_fFlags) (((a_fFlags) & CIDETBUF_KIND_CODE) != 0)
615	/** Checks if @a a_fFlags describes a data buffer. */
616	#define CIDETBUF_IS_DATA(a_fFlags) (((a_fFlags) & CIDETBUF_KIND_CODE) == 0)
617	/** @} */
618
619	/** Code buffer size. (At least two pages.) */
620	#define CIDET_CODE_BUF_SIZE (PAGE_SIZE * 2)
621	/** Data buffer size. (At least two pages.) */
622	#define CIDET_DATA_BUF_SIZE (PAGE_SIZE * 3)
623
624
625	/**
626	* Detailed expected exception.
627	*
628	* This is used to internally in the core to calculate the expected exception
629	* considering all the things that may cause exceptions.
630	*/
631	typedef enum CIDETEXPECTXCPT
632	{
633	kCidetExpectXcpt_Invalid = 0,
634	/** No exception expected. */
635	kCidetExpectXcpt_None,
636
637	/** Page not present. */
638	kCidetExpectXcpt_PageNotPresent,
639	/** Write access to a non-writable page. */
640	kCidetExpectXcpt_PageNotWritable,
641	/** Executable access to a non-executable page. */
642	kCidetExpectXcpt_PageNotExecutable,
643	/** Access to supervisor page from user mode code. */
644	kCidetExpectXcpt_PagePrivileged,
645	#define kCidetExpectXcpt_First_PageFault kCidetExpectXcpt_PageNotPresent
646	#define kCidetExpectXcpt_Last_PageFault kCidetExpectXcpt_PagePrivileged
647
648	/** Read or write access to an execute only segment. */
649	kCidetExpectXcpt_SegExecuteOnly,
650	/** Write to a read only or execute+read segment. */
651	kCidetExpectXcpt_SegNotWritable,
652	/** Exceeded the limit of a non-stack access. */
653	kCidetExpectXcpt_SegExceededLimit,
654	/** Non-canonical address via any segment other than the stack. */
655	kCidetExpectXcpt_AddrNotCanonical,
656	/** Misaligned 16 or 32 byte SSE or AVX operand. */
657	kCidetExpectXcpt_MisalignedSseAvx,
658	/** Privileged instruction. */
659	kCidetExpectXcpt_PrivilegedInstruction,
660	#define kCidetExpectXcpt_First_GeneralProtectionFault kCidetExpectXcpt_SegExecuteOnly
661	#define kCidetExpectXcpt_Last_GeneralProtectionFault kCidetExpectXcpt_PrivilegedInstruction
662
663	/** Exceeded the limit of a stack access. */
664	kCidetExpectXcpt_StackExceededLimit,
665	/** Non-canonical stack address. */
666	kCidetExpectXcpt_StackAddrNotCanonical,
667	#define kCidetExpectXcpt_First_StackFault kCidetExpectXcpt_StackExceededLimit
668	#define kCidetExpectXcpt_Last_StackFault kCidetExpectXcpt_StackAddrNotCanonical
669
670	/** Misaligned memory operand (and alignment checking is in effect) if AC is
671	* enabled (executing in ring-3). */
672	kCidetExpectXcpt_MisalignedIfAcEnabled,
673	/** Misaligned 16 byte memory operand resulting in \#AC if ring-3 and
674	* enable, otherwise \#GP(0). */
675	kCidetExpectXcpt_Misaligned16ByteAcEnabledOrGp,
676	#define kCidetExpectXcpt_First_AlignmentCheckFault kCidetExpectXcpt_MisalignedIfAcEnabled
677	#define kCidetExpectXcpt_Last_AlignmentCheckFault kCidetExpectXcpt_Misaligned16ByteAcEnabledOrGp
678
679	kCidetExpectXcpt_End
680	} CIDETEXPECTXCPT;
681
682
683	/**
684	* Buffer configuration.
685	*/
686	typedef struct CIDETBUFCFG
687	{
688	/** The name of this buffer configuration. */
689	const char *pszName;
690	/** The buffer flags (CIDETBUF_XXX) */
691	uint32_t fFlags;
692	} CIDETBUFCFG;
693	/** Pointer to a constant buffer configuration. */
694	typedef CIDETBUFCFG const *PCCIDETBUFCFG;
695
696
697	/**
698	* CIDET buffer for code or data.
699	*
700	* ASSUMES page aligned buffers.
701	*/
702	typedef struct CIDETBUF
703	{
704	/** @name Owned & modified by the front end.
705	* @{ */
706	/** Effective buffer address. */
707	uint64_t uEffBufAddr;
708	/** The segment base address. */
709	uint64_t uSegBase;
710	/** The active segment limit (see also cbSegLimit). UINT64_MAX if flat. */
711	uint64_t cbActiveSegLimit;
712	/** This specifies the selector to use if a non-flat segment limit or special
713	* segment flags was requested via pfnSetupBuf. UINT32_MAX if any segment is
714	* selector works. */
715	uint32_t uSeg;
716	/** The off value at the last pfnReinitBuf call. */
717	uint16_t offActive;
718	/** The cb value at the last pfnReinitBuf call. */
719	uint16_t cbActive;
720	/** Prologue (or front fence) size. */
721	uint16_t cbPrologue;
722	/** Epilogue (or tail fence) size. */
723	uint16_t cbEpilogue;
724	/** @} */
725
726	/** @name Set by the core before pfnReinitBuf call.
727	* @{ */
728	/** Pointer to the buffer config. */
729	PCCIDETBUFCFG pCfg;
730	/** The configuration index. */
731	uint32_t idxCfg;
732	/** The offset into the buffer of the data / code. */
733	uint16_t off;
734	/** The number of bytes of data / code. */
735	uint16_t cb;
736	/** The segment limit relative to the start of the buffer (last byte included
737	* in count). UINT16_MAX if maximum segment size should be used. */
738	uint16_t cbSegLimit;
739	/** Desired segment base offset.
740	* This is for checking where the alignment checks are performed. */
741	uint8_t offSegBase;
742
743	/** Set if this buffer is actively being used. */
744	bool fActive : 1;
745	/** The operand index (if data), 7 if not active. */
746	uint8_t idxOp : 3;
747	/** Code: Set if the expected exception is supposed to occur on the
748	* following insturction, not the instruction unter test. */
749	bool fXcptAfterInstruction : 1;
750	/** Set if the instruction will read from the buffer. */
751	bool fRead : 1;
752	/** Set if the instruction will write to the buffer. */
753	bool fWrite : 1;
754	/** The expected exception. */
755	CIDETEXPECTXCPT enmExpectXcpt;
756	/** @} */
757	} CIDETBUF;
758	/** Pointer to a CIDET buffer for code or data. */
759	typedef CIDETBUF *PCIDETBUF;
760
761
762	/**
763	* CPU Instruction Decoding & Execution Testing (CIDET) state.
764	*/
765	typedef struct CIDETCORE
766	{
767	/** Magic number (CIDETCORE_MAGIC). */
768	uint32_t u32Magic;
769
770	/** The target CPU mode / environment. */
771	uint8_t bMode;
772	/** The target ring. */
773	uint8_t iRing;
774	/** Unused padding bytes. */
775	uint8_t abPadding1[2];
776
777	/** Test configuration. */
778	uint64_t fTestCfg;
779
780	/** Code buffer configurations to test.
781	* The first buffer must be a normal buffer that does not cause any problems. */
782	PCCIDETBUFCFG paCodeBufConfigs;
783	/** The number of code buffer configurations to test (pafCodeBufConfigs). */
784	uint32_t cCodeBufConfigs;
785	/** The number of data buffer configurations to test (pafDataBufConfigs). */
786	uint32_t cDataBufConfigs;
787	/** Data buffer configurations to test.
788	* The first buffer must be a normal buffer that does not cause any problems. */
789	PCCIDETBUFCFG paDataBufConfigs;
790
791	/** The instruction currently under testing. */
792	PCCIDETINSTR pCurInstr;
793
794	/** Primary data buffer. */
795	CIDETBUF DataBuf;
796	/** Secondary data buffer. */
797	CIDETBUF DataBuf2;
798
799	/** Handle to the random number source. */
800	RTRAND hRand;
801
802	/**
803	* Re-initializes one of the data buffers.
804	*
805	* @returns true on succes, false if the request cannot be satisfied.
806	* @param pThis The core state.
807	* @param pBuf Pointer to the buffer structure.
808	*/
809	DECLCALLBACKMEMBER(bool, pfnReInitDataBuf,(struct CIDETCORE *pThis, PCIDETBUF pBuf));
810
811	/**
812	* Copies bytes into the data buffer and sets it up for execution.
813	*
814	* @returns true on succes, false if the request cannot be satisfied.
815	* @param pThis The core state.
816	* @param pBuf Pointer to the buffer structure.
817	* @param pvSrc The source bytes (size and destination offset
818	* given in pfnReinitBuf call).
819	*/
820	DECLCALLBACKMEMBER(bool, pfnSetupDataBuf,(struct CIDETCORE pThis, PCIDETBUF pBuf, void const pvSrc));
821
822	/**
823	* Compares buffer content after test execution.
824	*
825	* This also checks any fill bytes in the buffer that the front end may
826	* have put up. The front end will double buffer the content of supposedly
827	* inaccessible pages as well as non-existing pages to simplify things for
828	* the core code.
829	*
830	* @returns true if equal, false if not.
831	* @param pThis The core state.
832	* @param pBuf Pointer to the buffer structure.
833	* @param pvExpected Pointer to the expected source bytes (size and
834	* buffer offset given in pfnReinitBuf call).
835	*/
836	DECLCALLBACKMEMBER(bool, pfnIsBufEqual,(struct CIDETCORE pThis, struct CIDETBUF pBuf, void const *pvExpected));
837
838	/**
839	* Re-initializes the code buffer.
840	*
841	* @returns true on succes, false if the request cannot be satisfied.
842	* @param pThis The core state.
843	* @param pBuf Pointer to the CodeBuf member. The off and cb
844	* members represent what the core wants to
845	* execute.
846	*/
847	DECLCALLBACKMEMBER(bool, pfnReInitCodeBuf,(struct CIDETCORE *pThis, PCIDETBUF pBuf));
848
849	/**
850	* Emit code into the code buffer, making everything ready for pfnExecute.
851	*
852	* @returns VBox status code.
853	* @param pThis Pointer to the core structure.
854	* @param pBuf Pointer to the CodeBuf member.
855	* @param pvInstr Pointer to the encoded instruction bytes.
856	*/
857	DECLCALLBACKMEMBER(bool, pfnSetupCodeBuf,(struct CIDETCORE pThis, PCIDETBUF pBuf, void const pvInstr));
858
859	/**
860	* Executes the code indicated by InCtx, returning the result in ActualCtx.
861	*
862	* @returns true if execute, false if skipped.
863	* @param pThis Pointer to the core structure.
864	*/
865	DECLCALLBACKMEMBER(bool, pfnExecute,(struct CIDETCORE *pThis));
866
867	/**
868	* Report a test failure.
869	*
870	* @param pThis Pointer to the core structure.
871	* @param pszFormat Format string containing failure details.
872	* @param va Arguments referenced in @a pszFormat.
873	*/
874	DECLCALLBACKMEMBER(void, pfnFailure,(struct CIDETCORE pThis, const char pszFormat, va_list va));
875
876	/** Array of indexes for use by FNCIDETSETUPINOUT.
877	* Reset when changing instruction or switching between valid and invalid
878	* inputs. */
879	uint32_t aiInOut[4];
880
881	/** @name Copyied and extracted instruction information.
882	* @{ */
883	/** The flags (CIDET_OF_XXX) for the MODRM.REG operand, 0 if not applicable. */
884	uint32_t fMrmRegOp;
885	/** The flags (CIDET_OF_XXX) for the MODRM.RM operand, 0 if not applicable. */
886	uint32_t fMrmRmOp;
887	/** Instruction flags (CIDETINSTR::fFlags). */
888	uint64_t fInstrFlags;
889	/** Number of operands (CIDETINSTR::cOperands). */
890	uint8_t cOperands;
891	/** Number of memory operands (set by CidetCoreSetupFirstMemoryOperandConfig). */
892	uint8_t cMemoryOperands : 3;
893	/** Set if we're working on a MOD R/M byte. */
894	bool fUsesModRm : 1;
895	/** The index of the MODRM.REG operand, 7 if not applicable. */
896	uint8_t idxMrmRegOp : 3;
897	/** The index of the MODRM.RM operand, 7 if not applicable. */
898	uint8_t idxMrmRmOp : 3;
899	/** Set if the SIB byte uses VEX registers for indexing. */
900	bool fUsesVexIndexRegs : 1;
901	/** @} */
902
903	/** @name Basic encoding knobs, wheels and indicators.
904	* @{ */
905	/** Set if we're working on a SIB byte. */
906	bool fSib : 1;
907	/** Required segment prefix (X86_SREG_XXX), X86_SREG_COUNT if not. */
908	uint8_t uSegPrf : 3;
909	/** The address size prefix. */
910	bool fAddrSizePrf : 1;
911	/** The operand size prefix. */
912	bool fOpSizePrf : 1;
913	/** The REX.W prefix value. */
914	bool fRexW : 1;
915	/** The REX.R prefix value. */
916	bool fRexR : 1;
917	/** The REX.X prefix value. */
918	bool fRexX : 1;
919	/** The REX.B prefix value. */
920	bool fRexB : 1;
921	/** Set if a REX prefix is required with or without flags (for byte regs). */
922	bool fRex : 1;
923	/** Use VEX encoding. */
924	bool fVex : 1;
925	/** Use EVEX encoding. */
926	bool fEvex : 1;
927	/** Indicator: Effective addressing mode in bytes (2, 4, 8). */
928	uint8_t cbAddrMode : 4;
929	/** Indicator: Set if there is an operand accessing memory. */
930	bool fHasMemoryOperand : 1;
931	/** Indicator: Set if a register is used in two or more operands, and one of
932	* them being for addressing. */
933	bool fHasRegCollisionMem : 1;
934	/** Indicator: Helper indicator for tracking SIB.BASE collision. */
935	bool fHasRegCollisionMemBase : 1;
936	/** Indicator: Helper indicator for tracking SIB.INDEX collision. */
937	bool fHasRegCollisionMemIndex : 1;
938	/** Indicator: Set if a register is used directly in more than one operand. */
939	bool fHasRegCollisionDirect : 1;
940
941	/** Indicator: Set if MODRM.REG is the stack register. */
942	bool fHasStackRegInMrmReg : 1;
943	/** Indicator: Set if MODRM.RM or SIB.BASE is the stack register. */
944	bool fHasStackRegInMrmRmBase: 1;
945
946	/** Indicator: High byte-register specified by MODRM.REG. */
947	bool fHasHighByteRegInMrmReg : 1;
948	/** Indicator: High byte-register specified by MODRM.RM. */
949	bool fHasHighByteRegInMrmRm : 1;
950	/** Indicator: Set if REX prefixes are incompatible with the byte-register
951	* specified by MODRM.REG. */
952	bool fNoRexPrefixMrmReg : 1;
953	/** Indicator: Set if REX prefixes are incompatible with the byte-register
954	* specified by MODRM.RM. */
955	bool fNoRexPrefixMrmRm : 1;
956	/** Indicator: fNoRexPrefixMrmReg \|\| fNoRexPrefixMrmMr. */
957	bool fNoRexPrefix : 1;
958	/** The MOD R/M byte we're working on (if fUsesModRm is set). */
959	uint8_t bModRm;
960	/** The SIB/VSIB byte we're working on (if fSib is set). */
961	uint8_t bSib;
962	/** @} */
963
964	/** The effective instruction address. (See InCtx.rip and InCtx.cs for the
965	* rest of the instruction addressing stuff.) */
966	uint64_t uInstrEffAddr;
967
968	/** Operand information, mainly for the FNCIDETSETUPINOUT and similar. */
969	struct
970	{
971	/** The operand flags copied from (CIDETINSTR::afOperands). */
972	uint32_t fFlags;
973	/** The encoded register number, if register, UINT8_MAX if not. */
974	uint8_t iReg;
975	/** The actual operand size (encoded). */
976	uint8_t cb;
977	/** Set if immediate value. */
978	bool fIsImmediate : 1;
979	/** Set if memory access. */
980	bool fIsMem : 1;
981	/** Set if addressing is relative to RIP. */
982	bool fIsRipRelative : 1;
983	/** Set if it's a high byte register. */
984	bool fIsHighByteRegister : 1;
985	/** Size of the disposition, 0 if none. */
986	uint8_t cbMemDisp;
987	/** Base register, UINT8_MAX if not applicable. */
988	uint8_t iMemBaseReg;
989	/** Index register, UINT8_MAX if not applicable. */
990	uint8_t iMemIndexReg;
991	/** Index register, 1 if not applicable. */
992	uint8_t uMemScale;
993	/** Effective segment register, UINT8_MAX if not memory access. */
994	uint8_t iEffSeg;
995	/** Segment offset if memory access. Undefined if not memory access. */
996	uint64_t offSeg;
997	/** The effective address if memory access. */
998	uint64_t uEffAddr;
999	/** Immediate or displacement value. */
1000	uint64_t uImmDispValue;
1001	/** Base register value, undefined if irrelevant. */
1002	uint64_t uMemBaseRegValue;
1003	/** Index register value, undefined if irrelevant. */
1004	uint64_t uMemIndexRegValue;
1005	/** Points to where the input data for this operand should be placed,
1006	* when possible. In the fIsMem = true case, it either points directly
1007	* to the input buffer or to a temporary one. While in the other case,
1008	* it'll point into InCtx when possible. */
1009	RTPTRUNION In;
1010	/** Points to where the expected output data for this operand should be
1011	* stored, when possible. In the fIsMem = false case, it'll point into
1012	* ExpectedCtx when possible. */
1013	RTPTRUNION Expected;
1014	/** Pointer to the data buffer for this operand. */
1015	PCIDETBUF pDataBuf;
1016	} aOperands[4];
1017
1018	/** Buffer where we assemble the instruction. */
1019	uint8_t abInstr[45];
1020	/** The size of the instruction in abInstr. */
1021	uint8_t cbInstr;
1022	/** Offset of the instruction into the buffer. */
1023	uint16_t offInstr;
1024	/** Current code buffer. */
1025	CIDETBUF CodeBuf;
1026
1027	/** The input context. Initalized by driver and FNCIDETSETUPINOUT. */
1028	CIDETCPUCTX InCtx;
1029	/** The expected output context. */
1030	CIDETCPUCTX ExpectedCtx;
1031	/** The actual output context. */
1032	CIDETCPUCTX ActualCtx;
1033	/** Template input context, initialized when setting the mode. */
1034	CIDETCPUCTX InTemplateCtx;
1035
1036	/** Input and expected output temporary memory buffers. */
1037	uint8_t abBuf[0x2000];
1038
1039
1040	/** Number of skipped tests because of pfnSetupInOut failures. */
1041	uint32_t cSkippedSetupInOut;
1042	/** Number of skipped tests because of pfnReInitDataBuf failures. */
1043	uint32_t cSkippedReInitDataBuf;
1044	/** Number of skipped tests because of pfnSetupDataBuf failures. */
1045	uint32_t cSkippedSetupDataBuf;
1046	/** Number of skipped tests because RIP relative addressing constraints. */
1047	uint32_t cSkippedDataBufWrtRip;
1048	/** Number of skipped tests because of assemble failures. */
1049	uint32_t cSkippedAssemble;
1050	/** Number of skipped tests because of pfnReInitCodeBuf failures. */
1051	uint32_t cSkippedReInitCodeBuf;
1052	/** Number of skipped tests because of pfnSetupCodeBuf failures. */
1053	uint32_t cSkippedSetupCodeBuf;
1054	/** Number of skipped tests because the base and index registers are the same
1055	* one and there was a remainder when trying to point to the data buffer. */
1056	uint32_t cSkippedSameBaseIndexRemainder;
1057	/** Number of skipped tests because index-only addressing left a remainder. */
1058	uint32_t cSkippedOnlyIndexRemainder;
1059	/** Number of skipped tests because of direct addressing overflowed. */
1060	uint32_t cSkippedDirectAddressingOverflow;
1061
1062
1063	} CIDETCORE;
1064	/** Pointer to the CIDET core state. */
1065	typedef CIDETCORE *PCIDETCORE;
1066
1067	/** Magic number for CIDETCORE (Lee Konitz). */
1068	#define CIDETCORE_MAGIC UINT32_C(0x19271013)
1069
1070
1071	int CidetCoreInit(PCIDETCORE pThis, RTRAND hRand);
1072	void CidetCoreDelete(PCIDETCORE pThis);
1073	int CidetCoreSetTargetMode(PCIDETCORE pThis, uint8_t bMode);
1074	uint32_t CidetCoreGetOperandSize(PCIDETCORE pThis, uint8_t iOp);
1075	bool CidetCoreTestInstruction(PCIDETCORE pThis, PCCIDETINSTR pInstr);
1076
1077
1078	extern const CIDETINSTR g_aCidetInstructions1[];
1079	extern const uint32_t g_cCidetInstructions1;
1080
1081	#endif /* !VBOX_INCLUDED_SRC_cpu_cidet_h */
1082

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source: vbox/trunk/src/VBox/ValidationKit/utils/cpu/cidet.h@ 93115

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