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1 /*
2 * ARM AArch64 ELF definitions for bsd-user
3 *
4 * Copyright (c) 2015 Stacey D. Son
5 *
6 * SPDX-License-Identifier: GPL-2.0-or-later
7 */
8 #ifndef TARGET_ARCH_ELF_H
9 #define TARGET_ARCH_ELF_H
10
11 #define ELF_START_MMAP 0x80000000
12 #define ELF_ET_DYN_LOAD_ADDR 0x100000
13
14 #define elf_check_arch(x) ((x) == EM_AARCH64)
15
16 #define ELF_CLASS ELFCLASS64
17 #define ELF_DATA ELFDATA2LSB
18 #define ELF_ARCH EM_AARCH64
19
20 #define USE_ELF_CORE_DUMP
21 #define ELF_EXEC_PAGESIZE 4096
22
23 enum {
24 ARM_HWCAP_A64_FP = 1 << 0,
25 ARM_HWCAP_A64_ASIMD = 1 << 1,
26 ARM_HWCAP_A64_EVTSTRM = 1 << 2,
27 ARM_HWCAP_A64_AES = 1 << 3,
28 ARM_HWCAP_A64_PMULL = 1 << 4,
29 ARM_HWCAP_A64_SHA1 = 1 << 5,
30 ARM_HWCAP_A64_SHA2 = 1 << 6,
31 ARM_HWCAP_A64_CRC32 = 1 << 7,
32 ARM_HWCAP_A64_ATOMICS = 1 << 8,
33 ARM_HWCAP_A64_FPHP = 1 << 9,
34 ARM_HWCAP_A64_ASIMDHP = 1 << 10,
35 ARM_HWCAP_A64_CPUID = 1 << 11,
36 ARM_HWCAP_A64_ASIMDRDM = 1 << 12,
37 ARM_HWCAP_A64_JSCVT = 1 << 13,
38 ARM_HWCAP_A64_FCMA = 1 << 14,
39 ARM_HWCAP_A64_LRCPC = 1 << 15,
40 ARM_HWCAP_A64_DCPOP = 1 << 16,
41 ARM_HWCAP_A64_SHA3 = 1 << 17,
42 ARM_HWCAP_A64_SM3 = 1 << 18,
43 ARM_HWCAP_A64_SM4 = 1 << 19,
44 ARM_HWCAP_A64_ASIMDDP = 1 << 20,
45 ARM_HWCAP_A64_SHA512 = 1 << 21,
46 ARM_HWCAP_A64_SVE = 1 << 22,
47 ARM_HWCAP_A64_ASIMDFHM = 1 << 23,
48 ARM_HWCAP_A64_DIT = 1 << 24,
49 ARM_HWCAP_A64_USCAT = 1 << 25,
50 ARM_HWCAP_A64_ILRCPC = 1 << 26,
51 ARM_HWCAP_A64_FLAGM = 1 << 27,
52 ARM_HWCAP_A64_SSBS = 1 << 28,
53 ARM_HWCAP_A64_SB = 1 << 29,
54 ARM_HWCAP_A64_PACA = 1 << 30,
55 ARM_HWCAP_A64_PACG = 1UL << 31,
56
57 ARM_HWCAP2_A64_DCPODP = 1 << 0,
58 ARM_HWCAP2_A64_SVE2 = 1 << 1,
59 ARM_HWCAP2_A64_SVEAES = 1 << 2,
60 ARM_HWCAP2_A64_SVEPMULL = 1 << 3,
61 ARM_HWCAP2_A64_SVEBITPERM = 1 << 4,
62 ARM_HWCAP2_A64_SVESHA3 = 1 << 5,
63 ARM_HWCAP2_A64_SVESM4 = 1 << 6,
64 ARM_HWCAP2_A64_FLAGM2 = 1 << 7,
65 ARM_HWCAP2_A64_FRINT = 1 << 8,
66 ARM_HWCAP2_A64_SVEI8MM = 1 << 9,
67 ARM_HWCAP2_A64_SVEF32MM = 1 << 10,
68 ARM_HWCAP2_A64_SVEF64MM = 1 << 11,
69 ARM_HWCAP2_A64_SVEBF16 = 1 << 12,
70 ARM_HWCAP2_A64_I8MM = 1 << 13,
71 ARM_HWCAP2_A64_BF16 = 1 << 14,
72 ARM_HWCAP2_A64_DGH = 1 << 15,
73 ARM_HWCAP2_A64_RNG = 1 << 16,
74 ARM_HWCAP2_A64_BTI = 1 << 17,
75 ARM_HWCAP2_A64_MTE = 1 << 18,
76 };
77
78 #define ELF_HWCAP get_elf_hwcap()
79 #define ELF_HWCAP2 get_elf_hwcap2()
80
81 #define GET_FEATURE_ID(feat, hwcap) \
82 do { if (cpu_isar_feature(feat, cpu)) { hwcaps |= hwcap; } } while (0)
83
84 static uint32_t get_elf_hwcap(void)
85 {
86 ARMCPU *cpu = ARM_CPU(thread_cpu);
87 uint32_t hwcaps = 0;
88
89 hwcaps |= ARM_HWCAP_A64_FP;
90 hwcaps |= ARM_HWCAP_A64_ASIMD;
91 hwcaps |= ARM_HWCAP_A64_CPUID;
92
93 /* probe for the extra features */
94
95 GET_FEATURE_ID(aa64_aes, ARM_HWCAP_A64_AES);
96 GET_FEATURE_ID(aa64_pmull, ARM_HWCAP_A64_PMULL);
97 GET_FEATURE_ID(aa64_sha1, ARM_HWCAP_A64_SHA1);
98 GET_FEATURE_ID(aa64_sha256, ARM_HWCAP_A64_SHA2);
99 GET_FEATURE_ID(aa64_sha512, ARM_HWCAP_A64_SHA512);
100 GET_FEATURE_ID(aa64_crc32, ARM_HWCAP_A64_CRC32);
101 GET_FEATURE_ID(aa64_sha3, ARM_HWCAP_A64_SHA3);
102 GET_FEATURE_ID(aa64_sm3, ARM_HWCAP_A64_SM3);
103 GET_FEATURE_ID(aa64_sm4, ARM_HWCAP_A64_SM4);
104 GET_FEATURE_ID(aa64_fp16, ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP);
105 GET_FEATURE_ID(aa64_lse, ARM_HWCAP_A64_ATOMICS);
106 GET_FEATURE_ID(aa64_rdm, ARM_HWCAP_A64_ASIMDRDM);
107 GET_FEATURE_ID(aa64_dp, ARM_HWCAP_A64_ASIMDDP);
108 GET_FEATURE_ID(aa64_fcma, ARM_HWCAP_A64_FCMA);
109 GET_FEATURE_ID(aa64_sve, ARM_HWCAP_A64_SVE);
110 GET_FEATURE_ID(aa64_pauth, ARM_HWCAP_A64_PACA | ARM_HWCAP_A64_PACG);
111 GET_FEATURE_ID(aa64_fhm, ARM_HWCAP_A64_ASIMDFHM);
112 GET_FEATURE_ID(aa64_jscvt, ARM_HWCAP_A64_JSCVT);
113 GET_FEATURE_ID(aa64_sb, ARM_HWCAP_A64_SB);
114 GET_FEATURE_ID(aa64_condm_4, ARM_HWCAP_A64_FLAGM);
115 GET_FEATURE_ID(aa64_dcpop, ARM_HWCAP_A64_DCPOP);
116 GET_FEATURE_ID(aa64_rcpc_8_3, ARM_HWCAP_A64_LRCPC);
117 GET_FEATURE_ID(aa64_rcpc_8_4, ARM_HWCAP_A64_ILRCPC);
118
119 return hwcaps;
120 }
121
122 static uint32_t get_elf_hwcap2(void)
123 {
124 ARMCPU *cpu = ARM_CPU(thread_cpu);
125 uint32_t hwcaps = 0;
126
127 GET_FEATURE_ID(aa64_dcpodp, ARM_HWCAP2_A64_DCPODP);
128 GET_FEATURE_ID(aa64_sve2, ARM_HWCAP2_A64_SVE2);
129 GET_FEATURE_ID(aa64_sve_aes, ARM_HWCAP2_A64_SVEAES);
130 GET_FEATURE_ID(aa64_sve_pmull128, ARM_HWCAP2_A64_SVEPMULL);
131 GET_FEATURE_ID(aa64_sve_bitperm, ARM_HWCAP2_A64_SVEBITPERM);
132 GET_FEATURE_ID(aa64_sve_sha3, ARM_HWCAP2_A64_SVESHA3);
133 GET_FEATURE_ID(aa64_sve_sm4, ARM_HWCAP2_A64_SVESM4);
134 GET_FEATURE_ID(aa64_condm_5, ARM_HWCAP2_A64_FLAGM2);
135 GET_FEATURE_ID(aa64_frint, ARM_HWCAP2_A64_FRINT);
136 GET_FEATURE_ID(aa64_sve_i8mm, ARM_HWCAP2_A64_SVEI8MM);
137 GET_FEATURE_ID(aa64_sve_f32mm, ARM_HWCAP2_A64_SVEF32MM);
138 GET_FEATURE_ID(aa64_sve_f64mm, ARM_HWCAP2_A64_SVEF64MM);
139 GET_FEATURE_ID(aa64_sve_bf16, ARM_HWCAP2_A64_SVEBF16);
140 GET_FEATURE_ID(aa64_i8mm, ARM_HWCAP2_A64_I8MM);
141 GET_FEATURE_ID(aa64_bf16, ARM_HWCAP2_A64_BF16);
142 GET_FEATURE_ID(aa64_rndr, ARM_HWCAP2_A64_RNG);
143 GET_FEATURE_ID(aa64_bti, ARM_HWCAP2_A64_BTI);
144 GET_FEATURE_ID(aa64_mte, ARM_HWCAP2_A64_MTE);
145
146 return hwcaps;
147 }
148
149 #undef GET_FEATURE_ID
150
151 #endif /* TARGET_ARCH_ELF_H */