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082e6531 WL |
1 | /* |
2 | * arm ELF definitions | |
3 | * | |
4 | * Copyright (c) 2013 Stacey D. Son | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | #ifndef _TARGET_ARCH_ELF_H_ | |
20 | #define _TARGET_ARCH_ELF_H_ | |
21 | ||
22 | #define ELF_START_MMAP 0x80000000 | |
23 | #define ELF_ET_DYN_LOAD_ADDR 0x500000 | |
24 | ||
25 | #define elf_check_arch(x) ((x) == EM_ARM) | |
26 | ||
27 | #define ELF_CLASS ELFCLASS32 | |
28 | #define ELF_DATA ELFDATA2LSB | |
29 | #define ELF_ARCH EM_ARM | |
30 | ||
31 | #define USE_ELF_CORE_DUMP | |
32 | #define ELF_EXEC_PAGESIZE 4096 | |
33 | ||
6c5d60fa | 34 | #define ELF_HWCAP get_elf_hwcap() |
883d19cc | 35 | #define ELF_HWCAP2 get_elf_hwcap2() |
6c5d60fa WL |
36 | |
37 | #define GET_FEATURE(feat, hwcap) \ | |
38 | do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0) | |
39 | ||
40 | #define GET_FEATURE_ID(feat, hwcap) \ | |
41 | do { if (cpu_isar_feature(feat, cpu)) { hwcaps |= hwcap; } } while (0) | |
42 | ||
43 | enum { | |
44 | ARM_HWCAP_ARM_SWP = 1 << 0, | |
45 | ARM_HWCAP_ARM_HALF = 1 << 1, | |
46 | ARM_HWCAP_ARM_THUMB = 1 << 2, | |
47 | ARM_HWCAP_ARM_26BIT = 1 << 3, | |
48 | ARM_HWCAP_ARM_FAST_MULT = 1 << 4, | |
49 | ARM_HWCAP_ARM_FPA = 1 << 5, | |
50 | ARM_HWCAP_ARM_VFP = 1 << 6, | |
51 | ARM_HWCAP_ARM_EDSP = 1 << 7, | |
52 | ARM_HWCAP_ARM_JAVA = 1 << 8, | |
53 | ARM_HWCAP_ARM_IWMMXT = 1 << 9, | |
54 | ARM_HWCAP_ARM_CRUNCH = 1 << 10, | |
55 | ARM_HWCAP_ARM_THUMBEE = 1 << 11, | |
56 | ARM_HWCAP_ARM_NEON = 1 << 12, | |
57 | ARM_HWCAP_ARM_VFPv3 = 1 << 13, | |
58 | ARM_HWCAP_ARM_VFPv3D16 = 1 << 14, | |
59 | ARM_HWCAP_ARM_TLS = 1 << 15, | |
60 | ARM_HWCAP_ARM_VFPv4 = 1 << 16, | |
61 | ARM_HWCAP_ARM_IDIVA = 1 << 17, | |
62 | ARM_HWCAP_ARM_IDIVT = 1 << 18, | |
63 | ARM_HWCAP_ARM_VFPD32 = 1 << 19, | |
64 | ARM_HWCAP_ARM_LPAE = 1 << 20, | |
65 | ARM_HWCAP_ARM_EVTSTRM = 1 << 21, | |
66 | }; | |
67 | ||
883d19cc WL |
68 | enum { |
69 | ARM_HWCAP2_ARM_AES = 1 << 0, | |
70 | ARM_HWCAP2_ARM_PMULL = 1 << 1, | |
71 | ARM_HWCAP2_ARM_SHA1 = 1 << 2, | |
72 | ARM_HWCAP2_ARM_SHA2 = 1 << 3, | |
73 | ARM_HWCAP2_ARM_CRC32 = 1 << 4, | |
74 | }; | |
75 | ||
6c5d60fa WL |
76 | static uint32_t get_elf_hwcap(void) |
77 | { | |
78 | ARMCPU *cpu = ARM_CPU(thread_cpu); | |
79 | uint32_t hwcaps = 0; | |
80 | ||
81 | hwcaps |= ARM_HWCAP_ARM_SWP; | |
82 | hwcaps |= ARM_HWCAP_ARM_HALF; | |
83 | hwcaps |= ARM_HWCAP_ARM_THUMB; | |
84 | hwcaps |= ARM_HWCAP_ARM_FAST_MULT; | |
85 | ||
86 | /* probe for the extra features */ | |
87 | /* EDSP is in v5TE and above */ | |
88 | GET_FEATURE(ARM_FEATURE_V5, ARM_HWCAP_ARM_EDSP); | |
89 | GET_FEATURE(ARM_FEATURE_IWMMXT, ARM_HWCAP_ARM_IWMMXT); | |
90 | GET_FEATURE(ARM_FEATURE_THUMB2EE, ARM_HWCAP_ARM_THUMBEE); | |
91 | GET_FEATURE(ARM_FEATURE_NEON, ARM_HWCAP_ARM_NEON); | |
92 | GET_FEATURE(ARM_FEATURE_V6K, ARM_HWCAP_ARM_TLS); | |
93 | GET_FEATURE(ARM_FEATURE_LPAE, ARM_HWCAP_ARM_LPAE); | |
94 | GET_FEATURE_ID(aa32_arm_div, ARM_HWCAP_ARM_IDIVA); | |
95 | GET_FEATURE_ID(aa32_thumb_div, ARM_HWCAP_ARM_IDIVT); | |
96 | GET_FEATURE_ID(aa32_vfp, ARM_HWCAP_ARM_VFP); | |
97 | ||
98 | if (cpu_isar_feature(aa32_fpsp_v3, cpu) || | |
99 | cpu_isar_feature(aa32_fpdp_v3, cpu)) { | |
100 | hwcaps |= ARM_HWCAP_ARM_VFPv3; | |
101 | if (cpu_isar_feature(aa32_simd_r32, cpu)) { | |
102 | hwcaps |= ARM_HWCAP_ARM_VFPD32; | |
103 | } else { | |
104 | hwcaps |= ARM_HWCAP_ARM_VFPv3D16; | |
105 | } | |
106 | } | |
107 | GET_FEATURE_ID(aa32_simdfmac, ARM_HWCAP_ARM_VFPv4); | |
108 | ||
109 | return hwcaps; | |
110 | } | |
111 | ||
883d19cc WL |
112 | static uint32_t get_elf_hwcap2(void) |
113 | { | |
114 | ARMCPU *cpu = ARM_CPU(thread_cpu); | |
115 | uint32_t hwcaps = 0; | |
116 | ||
117 | GET_FEATURE_ID(aa32_aes, ARM_HWCAP2_ARM_AES); | |
118 | GET_FEATURE_ID(aa32_pmull, ARM_HWCAP2_ARM_PMULL); | |
119 | GET_FEATURE_ID(aa32_sha1, ARM_HWCAP2_ARM_SHA1); | |
120 | GET_FEATURE_ID(aa32_sha2, ARM_HWCAP2_ARM_SHA2); | |
121 | GET_FEATURE_ID(aa32_crc32, ARM_HWCAP2_ARM_CRC32); | |
122 | return hwcaps; | |
123 | } | |
124 | ||
6c5d60fa WL |
125 | #undef GET_FEATURE |
126 | #undef GET_FEATURE_ID | |
082e6531 WL |
127 | |
128 | #endif /* _TARGET_ARCH_ELF_H_ */ |