xref: /illumos-gate/usr/src/uts/common/sys/auxv_386.h (revision ddb365bfc9e868ad24ccdcb0dc91af18b10df082)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
23  * Copyright 2019, Joyent, Inc.
24  * Copyright 2022 Oxide Computer Company
25  */
26 
27 #ifndef	_SYS_AUXV_386_H
28 #define	_SYS_AUXV_386_H
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
34 /*
35  * Flags used in AT_SUN_HWCAP elements to describe various userland
36  * instruction set extensions available on different processors.
37  * The basic assumption is that of the i386 ABI; that is, i386 plus i387
38  * floating point.
39  *
40  * Note that if a given bit is set; the implication is that the kernel
41  * provides all the underlying architectural support for the correct
42  * functioning of the extended instruction(s).
43  */
44 #define	AV_386_FPU		0x00001	/* x87-style floating point */
45 #define	AV_386_TSC		0x00002	/* rdtsc insn */
46 #define	AV_386_CX8		0x00004	/* cmpxchg8b insn */
47 #define	AV_386_SEP		0x00008	/* sysenter and sysexit */
48 #define	AV_386_AMD_SYSC		0x00010	/* AMD's syscall and sysret */
49 #define	AV_386_CMOV		0x00020	/* conditional move insns */
50 #define	AV_386_MMX		0x00040	/* MMX insns */
51 #define	AV_386_AMD_MMX		0x00080	/* AMD's MMX insns */
52 #define	AV_386_AMD_3DNow	0x00100	/* AMD's 3Dnow! insns */
53 #define	AV_386_AMD_3DNowx	0x00200	/* AMD's 3Dnow! extended insns */
54 #define	AV_386_FXSR		0x00400	/* fxsave and fxrstor */
55 #define	AV_386_SSE		0x00800	/* SSE insns and regs */
56 #define	AV_386_SSE2		0x01000	/* SSE2 insns and regs */
57 					/* 0x02000 withdrawn - do not assign */
58 #define	AV_386_SSE3		0x04000	/* SSE3 insns and regs */
59 					/* 0x08000 withdrawn - do not assign */
60 #define	AV_386_CX16		0x10000	/* cmpxchg16b insn */
61 #define	AV_386_AHF		0x20000	/* lahf/sahf insns */
62 #define	AV_386_TSCP		0x40000	/* rdtscp instruction */
63 #define	AV_386_AMD_SSE4A	0x80000	/* AMD's SSE4A insns */
64 #define	AV_386_POPCNT		0x100000 /* POPCNT insn */
65 #define	AV_386_AMD_LZCNT	0x200000 /* AMD's LZCNT insn */
66 #define	AV_386_SSSE3		0x400000 /* Intel SSSE3 insns */
67 #define	AV_386_SSE4_1		0x800000 /* Intel SSE4.1 insns */
68 #define	AV_386_SSE4_2		0x1000000 /* Intel SSE4.2 insns */
69 #define	AV_386_MOVBE		0x2000000 /* Intel MOVBE insns */
70 #define	AV_386_AES		0x4000000 /* Intel AES insns */
71 #define	AV_386_PCLMULQDQ	0x8000000 /* Intel PCLMULQDQ insn */
72 #define	AV_386_XSAVE		0x10000000 /* Intel XSAVE/XRSTOR insns */
73 #define	AV_386_AVX		0x20000000 /* Intel AVX insns */
74 #define	AV_386_VMX		0x40000000 /* Intel VMX support */
75 #define	AV_386_AMD_SVM		0x80000000 /* AMD SVM support */
76 
77 #define	FMT_AV_386							\
78 	"\020"								\
79 	"\040svm\037vmx\036avx\035xsave"				\
80 	"\034pclmulqdq\033aes"						\
81 	"\032movbe\031sse4.2"						\
82 	"\030sse4.1\027ssse3\026amd_lzcnt\025popcnt"			\
83 	"\024amd_sse4a\023tscp\022ahf\021cx16"				\
84 	"\017sse3\015sse2\014sse\013fxsr\012amd3dx\011amd3d"		\
85 	"\010amdmmx\07mmx\06cmov\05amdsysc\04sep\03cx8\02tsc\01fpu"
86 
87 /*
88  * Flags used in AT_SUN_HWCAP2 elements
89  */
90 #define	AV_386_2_F16C		0x00000001 /* F16C half percision extensions */
91 #define	AV_386_2_RDRAND		0x00000002 /* RDRAND insn */
92 #define	AV_386_2_BMI1		0x00000004 /* BMI1 insns */
93 #define	AV_386_2_BMI2		0x00000008 /* BMI2 insns */
94 #define	AV_386_2_FMA		0x00000010 /* FMA insns */
95 #define	AV_386_2_AVX2		0x00000020 /* AVX2 insns */
96 #define	AV_386_2_ADX		0x00000040 /* ADX insns */
97 #define	AV_386_2_RDSEED		0x00000080 /* RDSEED insn */
98 #define	AV_386_2_AVX512F	0x00000100 /* AVX512 foundation insns */
99 #define	AV_386_2_AVX512DQ	0x00000200 /* AVX512DQ insns */
100 #define	AV_386_2_AVX512IFMA	0x00000400 /* AVX512IFMA insns */
101 #define	AV_386_2_AVX512PF	0x00000800 /* AVX512PF insns */
102 #define	AV_386_2_AVX512ER	0x00001000 /* AVX512ER insns */
103 #define	AV_386_2_AVX512CD	0x00002000 /* AVX512CD insns */
104 #define	AV_386_2_AVX512BW	0x00004000 /* AVX512BW insns */
105 #define	AV_386_2_AVX512VL	0x00008000 /* AVX512VL insns */
106 #define	AV_386_2_AVX512VBMI	0x00010000 /* AVX512VBMI insns */
107 #define	AV_386_2_AVX512VPOPCDQ	0x00020000 /* AVX512VPOPCNTDQ insns */
108 #define	AV_386_2_AVX512_4NNIW	0x00040000 /* AVX512 4NNIW insns */
109 #define	AV_386_2_AVX512_4FMAPS	0x00080000 /* AVX512 4FMAPS insns */
110 #define	AV_386_2_SHA		0x00100000 /* SHA insns */
111 #define	AV_386_2_FSGSBASE	0x00200000 /* FSBASE/GSBASE */
112 #define	AV_386_2_CLFLUSHOPT	0x00400000 /* CLFLUSHOPT instr */
113 #define	AV_386_2_CLWB		0x00800000 /* CLWB insn */
114 #define	AV_386_2_MONITORX	0x01000000 /* MONITORX insns */
115 #define	AV_386_2_CLZERO		0x02000000 /* CLZERO */
116 #define	AV_386_2_AVX512_VNNI	0x04000000 /* AVX512_VNNI */
117 #define	AV_386_2_VPCLMULQDQ	0x08000000 /* VPCLMULQDQ */
118 #define	AV_386_2_VAES		0x10000000 /* VAES */
119 #define	AV_386_2_GFNI		0x20000000 /* GFNI */
120 #define	AV_386_2_AVX512_VP2INT	0x40000000 /* AVX512 VP2INTERESECT */
121 #define	AV_386_2_AVX512_BITALG	0x80000000 /* AVX512 BITALG */
122 
123 #define	FMT_AV_386_2							\
124 	"\040avx512_vbmi2\037avx512_vp2intersect"			\
125 	"\036gfni\035vaes\034vpclmulqdq\033avx512_vnni"			\
126 	"\032clzero\031monitorx\030clwb\027clflushopt\026fsgsbase"	\
127 	"\025sha\024avx512_4fmaps\023avx512_4nniw\022avx512vpopcntdq"	\
128 	"\021avx512vbmi\020avx512vl\017avx512bw\016avx512cd"		\
129 	"\015avx512er\014avx512pf\013avx512ifma\012avx512dq\011avx512f"	\
130 	"\010rdseed\07adx\06avx2\05fma\04bmi2\03bmi1\02rdrand\01f16c"
131 
132 /*
133  * Flags used in AT_SUN_HWCAP3 elements
134  */
135 #define	AV_386_3_AVX512_VBMI2		0x00000001 /* AVX512_VBMI2 */
136 #define	AV_386_3_AVX512_BF16		0x00000002 /* AVX512_BF16 */
137 
138 #define	FMT_AV_386_3							\
139 	"\02avx512_bf16\01avx512_vbmi2"
140 
141 /*
142  * Flags used in AT_SUN_FPTYPE on x86.
143  *
144  * We don't currently support xsavec in illumos. However, when we do, then we
145  * should add this to the type list and extend our primary consumer (rtld) to
146  * use it. xsaveopt is not in this list because it is not appropriate for the
147  * stack based storage.
148  */
149 #define	AT_386_FPINFO_NONE		0
150 #define	AT_386_FPINFO_FXSAVE		1
151 #define	AT_386_FPINFO_XSAVE		2
152 #define	AT_386_FPINFO_XSAVE_AMD		3
153 
154 #ifdef __cplusplus
155 }
156 #endif
157 
158 #endif	/* !_SYS_AUXV_386_H */
159