1 #include "arm_arch.h" 2 3 .text 4 .code 32 5 6 .align 5 7 .global _armv7_neon_probe 8 .type _armv7_neon_probe,%function 9 _armv7_neon_probe: 10 .byte 0xf0,0x01,0x60,0xf2 @ vorr q8,q8,q8 11 .byte 0x1e,0xff,0x2f,0xe1 @ bx lr 12 .size _armv7_neon_probe,.-_armv7_neon_probe 13 14 .global _armv7_tick 15 .type _armv7_tick,%function 16 _armv7_tick: 17 mrrc p15,1,r0,r1,c14 @ CNTVCT 18 #if __ARM_ARCH__>=5 19 bx lr 20 #else 21 .word 0xe12fff1e @ bx lr 22 #endif 23 .size _armv7_tick,.-_armv7_tick 24 25 .global _armv8_aes_probe 26 .type _armv8_aes_probe,%function 27 _armv8_aes_probe: 28 .byte 0x00,0x03,0xb0,0xf3 @ aese.8 q0,q0 29 .byte 0x1e,0xff,0x2f,0xe1 @ bx lr 30 .size _armv8_aes_probe,.-_armv8_aes_probe 31 32 .global _armv8_sha1_probe 33 .type _armv8_sha1_probe,%function 34 _armv8_sha1_probe: 35 .byte 0x40,0x0c,0x00,0xf2 @ sha1c.32 q0,q0,q0 36 .byte 0x1e,0xff,0x2f,0xe1 @ bx lr 37 .size _armv8_sha1_probe,.-_armv8_sha1_probe 38 39 .global _armv8_sha256_probe 40 .type _armv8_sha256_probe,%function 41 _armv8_sha256_probe: 42 .byte 0x40,0x0c,0x00,0xf3 @ sha256h.32 q0,q0,q0 43 .byte 0x1e,0xff,0x2f,0xe1 @ bx lr 44 .size _armv8_sha256_probe,.-_armv8_sha256_probe 45 .global _armv8_pmull_probe 46 .type _armv8_pmull_probe,%function 47 _armv8_pmull_probe: 48 .byte 0x00,0x0e,0xa0,0xf2 @ vmull.p64 q0,d0,d0 49 .byte 0x1e,0xff,0x2f,0xe1 @ bx lr 50 .size _armv8_pmull_probe,.-_armv8_pmull_probe 51 52 .align 5 53 .global OPENSSL_atomic_add 54 .type OPENSSL_atomic_add,%function 55 OPENSSL_atomic_add: 56 #if __ARM_ARCH__>=6 57 .Ladd: ldrex r2,[r0] 58 add r3,r2,r1 59 strex r2,r3,[r0] 60 cmp r2,#0 61 bne .Ladd 62 mov r0,r3 63 bx lr 64 #else 65 stmdb sp!,{r4-r6,lr} 66 ldr r2,.Lspinlock 67 adr r3,.Lspinlock 68 mov r4,r0 69 mov r5,r1 70 add r6,r3,r2 @ &spinlock 71 b .+8 72 .Lspin: bl sched_yield 73 mov r0,#-1 74 swp r0,r0,[r6] 75 cmp r0,#0 76 bne .Lspin 77 78 ldr r2,[r4] 79 add r2,r2,r5 80 str r2,[r4] 81 str r0,[r6] @ release spinlock 82 ldmia sp!,{r4-r6,lr} 83 tst lr,#1 84 moveq pc,lr 85 .word 0xe12fff1e @ bx lr 86 #endif 87 .size OPENSSL_atomic_add,.-OPENSSL_atomic_add 88 89 .global OPENSSL_cleanse 90 .type OPENSSL_cleanse,%function 91 OPENSSL_cleanse: 92 eor ip,ip,ip 93 cmp r1,#7 94 subhs r1,r1,#4 95 bhs .Lot 96 cmp r1,#0 97 beq .Lcleanse_done 98 .Little: 99 strb ip,[r0],#1 100 subs r1,r1,#1 101 bhi .Little 102 b .Lcleanse_done 103 104 .Lot: tst r0,#3 105 beq .Laligned 106 strb ip,[r0],#1 107 sub r1,r1,#1 108 b .Lot 109 .Laligned: 110 str ip,[r0],#4 111 subs r1,r1,#4 112 bhs .Laligned 113 adds r1,r1,#4 114 bne .Little 115 .Lcleanse_done: 116 #if __ARM_ARCH__>=5 117 bx lr 118 #else 119 tst lr,#1 120 moveq pc,lr 121 .word 0xe12fff1e @ bx lr 122 #endif 123 .size OPENSSL_cleanse,.-OPENSSL_cleanse 124 125 .global OPENSSL_wipe_cpu 126 .type OPENSSL_wipe_cpu,%function 127 OPENSSL_wipe_cpu: 128 ldr r0,.LOPENSSL_armcap 129 adr r1,.LOPENSSL_armcap 130 ldr r0,[r1,r0] 131 eor r2,r2,r2 132 eor r3,r3,r3 133 eor ip,ip,ip 134 tst r0,#1 135 beq .Lwipe_done 136 .byte 0x50,0x01,0x00,0xf3 @ veor q0, q0, q0 137 .byte 0x52,0x21,0x02,0xf3 @ veor q1, q1, q1 138 .byte 0x54,0x41,0x04,0xf3 @ veor q2, q2, q2 139 .byte 0x56,0x61,0x06,0xf3 @ veor q3, q3, q3 140 .byte 0xf0,0x01,0x40,0xf3 @ veor q8, q8, q8 141 .byte 0xf2,0x21,0x42,0xf3 @ veor q9, q9, q9 142 .byte 0xf4,0x41,0x44,0xf3 @ veor q10, q10, q10 143 .byte 0xf6,0x61,0x46,0xf3 @ veor q11, q11, q11 144 .byte 0xf8,0x81,0x48,0xf3 @ veor q12, q12, q12 145 .byte 0xfa,0xa1,0x4a,0xf3 @ veor q13, q13, q13 146 .byte 0xfc,0xc1,0x4c,0xf3 @ veor q14, q14, q14 147 .byte 0xfe,0xe1,0x4e,0xf3 @ veor q14, q14, q14 148 .Lwipe_done: 149 mov r0,sp 150 #if __ARM_ARCH__>=5 151 bx lr 152 #else 153 tst lr,#1 154 moveq pc,lr 155 .word 0xe12fff1e @ bx lr 156 #endif 157 .size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu 158 159 .global OPENSSL_instrument_bus 160 .type OPENSSL_instrument_bus,%function 161 OPENSSL_instrument_bus: 162 eor r0,r0,r0 163 #if __ARM_ARCH__>=5 164 bx lr 165 #else 166 tst lr,#1 167 moveq pc,lr 168 .word 0xe12fff1e @ bx lr 169 #endif 170 .size OPENSSL_instrument_bus,.-OPENSSL_instrument_bus 171 172 .global OPENSSL_instrument_bus2 173 .type OPENSSL_instrument_bus2,%function 174 OPENSSL_instrument_bus2: 175 eor r0,r0,r0 176 #if __ARM_ARCH__>=5 177 bx lr 178 #else 179 tst lr,#1 180 moveq pc,lr 181 .word 0xe12fff1e @ bx lr 182 #endif 183 .size OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2 184 185 .align 5 186 .LOPENSSL_armcap: 187 .word OPENSSL_armcap_P-.LOPENSSL_armcap 188 #if __ARM_ARCH__>=6 189 .align 5 190 #else 191 .Lspinlock: 192 .word atomic_add_spinlock-.Lspinlock 193 .align 5 194 195 .data 196 .align 2 197 atomic_add_spinlock: 198 .word 0 199 #endif 200 201 .comm OPENSSL_armcap_P,4,4 202 .hidden OPENSSL_armcap_P 203
