Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/crypto/openssl/arm/armv4-gf2m.S
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1 /* $FreeBSD$ */ 2 /* Do not modify. This file is auto-generated from armv4-gf2m.pl. */ 3 #include "arm_arch.h" 4 5 .text 6 #if defined(__thumb2__) 7 .syntax unified 8 .thumb 9 #else 10 .code 32 11 #endif 12 .type mul_1x1_ialu,%function 13 .align 5 14 mul_1x1_ialu: 15 mov r4,#0 16 bic r5,r1,#3<<30 @ a1=a&0x3fffffff 17 str r4,[sp,#0] @ tab[0]=0 18 add r6,r5,r5 @ a2=a1<<1 19 str r5,[sp,#4] @ tab[1]=a1 20 eor r7,r5,r6 @ a1^a2 21 str r6,[sp,#8] @ tab[2]=a2 22 mov r8,r5,lsl#2 @ a4=a1<<2 23 str r7,[sp,#12] @ tab[3]=a1^a2 24 eor r9,r5,r8 @ a1^a4 25 str r8,[sp,#16] @ tab[4]=a4 26 eor r4,r6,r8 @ a2^a4 27 str r9,[sp,#20] @ tab[5]=a1^a4 28 eor r7,r7,r8 @ a1^a2^a4 29 str r4,[sp,#24] @ tab[6]=a2^a4 30 and r8,r12,r0,lsl#2 31 str r7,[sp,#28] @ tab[7]=a1^a2^a4 32 33 and r9,r12,r0,lsr#1 34 ldr r5,[sp,r8] @ tab[b & 0x7] 35 and r8,r12,r0,lsr#4 36 ldr r7,[sp,r9] @ tab[b >> 3 & 0x7] 37 and r9,r12,r0,lsr#7 38 ldr r6,[sp,r8] @ tab[b >> 6 & 0x7] 39 eor r5,r5,r7,lsl#3 @ stall 40 mov r4,r7,lsr#29 41 ldr r7,[sp,r9] @ tab[b >> 9 & 0x7] 42 43 and r8,r12,r0,lsr#10 44 eor r5,r5,r6,lsl#6 45 eor r4,r4,r6,lsr#26 46 ldr r6,[sp,r8] @ tab[b >> 12 & 0x7] 47 48 and r9,r12,r0,lsr#13 49 eor r5,r5,r7,lsl#9 50 eor r4,r4,r7,lsr#23 51 ldr r7,[sp,r9] @ tab[b >> 15 & 0x7] 52 53 and r8,r12,r0,lsr#16 54 eor r5,r5,r6,lsl#12 55 eor r4,r4,r6,lsr#20 56 ldr r6,[sp,r8] @ tab[b >> 18 & 0x7] 57 58 and r9,r12,r0,lsr#19 59 eor r5,r5,r7,lsl#15 60 eor r4,r4,r7,lsr#17 61 ldr r7,[sp,r9] @ tab[b >> 21 & 0x7] 62 63 and r8,r12,r0,lsr#22 64 eor r5,r5,r6,lsl#18 65 eor r4,r4,r6,lsr#14 66 ldr r6,[sp,r8] @ tab[b >> 24 & 0x7] 67 68 and r9,r12,r0,lsr#25 69 eor r5,r5,r7,lsl#21 70 eor r4,r4,r7,lsr#11 71 ldr r7,[sp,r9] @ tab[b >> 27 & 0x7] 72 73 tst r1,#1<<30 74 and r8,r12,r0,lsr#28 75 eor r5,r5,r6,lsl#24 76 eor r4,r4,r6,lsr#8 77 ldr r6,[sp,r8] @ tab[b >> 30 ] 78 79 #ifdef __thumb2__ 80 itt ne 81 #endif 82 eorne r5,r5,r0,lsl#30 83 eorne r4,r4,r0,lsr#2 84 tst r1,#1<<31 85 eor r5,r5,r7,lsl#27 86 eor r4,r4,r7,lsr#5 87 #ifdef __thumb2__ 88 itt ne 89 #endif 90 eorne r5,r5,r0,lsl#31 91 eorne r4,r4,r0,lsr#1 92 eor r5,r5,r6,lsl#30 93 eor r4,r4,r6,lsr#2 94 95 mov pc,lr 96 .size mul_1x1_ialu,.-mul_1x1_ialu 97 .globl bn_GF2m_mul_2x2 98 .type bn_GF2m_mul_2x2,%function 99 .align 5 100 bn_GF2m_mul_2x2: 101 #if __ARM_MAX_ARCH__>=7 102 stmdb sp!,{r10,lr} 103 ldr r12,.LOPENSSL_armcap 104 adr r10,.LOPENSSL_armcap 105 ldr r12,[r12,r10] 106 #ifdef __APPLE__ 107 ldr r12,[r12] 108 #endif 109 tst r12,#ARMV7_NEON 110 itt ne 111 ldrne r10,[sp],#8 112 bne .LNEON 113 stmdb sp!,{r4,r5,r6,r7,r8,r9} 114 #else 115 stmdb sp!,{r4,r5,r6,r7,r8,r9,r10,lr} 116 #endif 117 mov r10,r0 @ reassign 1st argument 118 mov r0,r3 @ r0=b1 119 sub r7,sp,#36 120 mov r8,sp 121 and r7,r7,#-32 122 ldr r3,[sp,#32] @ load b0 123 mov r12,#7<<2 124 mov sp,r7 @ allocate tab[8] 125 str r8,[r7,#32] 126 127 bl mul_1x1_ialu @ a1·b1 128 str r5,[r10,#8] 129 str r4,[r10,#12] 130 131 eor r0,r0,r3 @ flip b0 and b1 132 eor r1,r1,r2 @ flip a0 and a1 133 eor r3,r3,r0 134 eor r2,r2,r1 135 eor r0,r0,r3 136 eor r1,r1,r2 137 bl mul_1x1_ialu @ a0·b0 138 str r5,[r10] 139 str r4,[r10,#4] 140 141 eor r1,r1,r2 142 eor r0,r0,r3 143 bl mul_1x1_ialu @ (a1+a0)·(b1+b0) 144 ldmia r10,{r6,r7,r8,r9} 145 eor r5,r5,r4 146 ldr sp,[sp,#32] @ destroy tab[8] 147 eor r4,r4,r7 148 eor r5,r5,r6 149 eor r4,r4,r8 150 eor r5,r5,r9 151 eor r4,r4,r9 152 str r4,[r10,#8] 153 eor r5,r5,r4 154 str r5,[r10,#4] 155 156 #if __ARM_ARCH__>=5 157 ldmia sp!,{r4,r5,r6,r7,r8,r9,r10,pc} 158 #else 159 ldmia sp!,{r4,r5,r6,r7,r8,r9,r10,lr} 160 tst lr,#1 161 moveq pc,lr @ be binary compatible with V4, yet 162 .word 0xe12fff1e @ interoperable with Thumb ISA:-) 163 #endif 164 #if __ARM_MAX_ARCH__>=7 165 .arch armv7-a 166 .fpu neon 167 168 .align 5 169 .LNEON: 170 ldr r12, [sp] @ 5th argument 171 vmov d26, r2, r1 172 vmov d27, r12, r3 173 vmov.i64 d28, #0x0000ffffffffffff 174 vmov.i64 d29, #0x00000000ffffffff 175 vmov.i64 d30, #0x000000000000ffff 176 177 vext.8 d2, d26, d26, #1 @ A1 178 vmull.p8 q1, d2, d27 @ F = A1*B 179 vext.8 d0, d27, d27, #1 @ B1 180 vmull.p8 q0, d26, d0 @ E = A*B1 181 vext.8 d4, d26, d26, #2 @ A2 182 vmull.p8 q2, d4, d27 @ H = A2*B 183 vext.8 d16, d27, d27, #2 @ B2 184 vmull.p8 q8, d26, d16 @ G = A*B2 185 vext.8 d6, d26, d26, #3 @ A3 186 veor q1, q1, q0 @ L = E + F 187 vmull.p8 q3, d6, d27 @ J = A3*B 188 vext.8 d0, d27, d27, #3 @ B3 189 veor q2, q2, q8 @ M = G + H 190 vmull.p8 q0, d26, d0 @ I = A*B3 191 veor d2, d2, d3 @ t0 = (L) (P0 + P1) << 8 192 vand d3, d3, d28 193 vext.8 d16, d27, d27, #4 @ B4 194 veor d4, d4, d5 @ t1 = (M) (P2 + P3) << 16 195 vand d5, d5, d29 196 vmull.p8 q8, d26, d16 @ K = A*B4 197 veor q3, q3, q0 @ N = I + J 198 veor d2, d2, d3 199 veor d4, d4, d5 200 veor d6, d6, d7 @ t2 = (N) (P4 + P5) << 24 201 vand d7, d7, d30 202 vext.8 q1, q1, q1, #15 203 veor d16, d16, d17 @ t3 = (K) (P6 + P7) << 32 204 vmov.i64 d17, #0 205 vext.8 q2, q2, q2, #14 206 veor d6, d6, d7 207 vmull.p8 q0, d26, d27 @ D = A*B 208 vext.8 q8, q8, q8, #12 209 vext.8 q3, q3, q3, #13 210 veor q1, q1, q2 211 veor q3, q3, q8 212 veor q0, q0, q1 213 veor q0, q0, q3 214 215 vst1.32 {q0}, [r0] 216 bx lr @ bx lr 217 #endif 218 .size bn_GF2m_mul_2x2,.-bn_GF2m_mul_2x2 219 #if __ARM_MAX_ARCH__>=7 220 .align 5 221 .LOPENSSL_armcap: 222 .word OPENSSL_armcap_P-. 223 #endif 224 .byte 71,70,40,50,94,109,41,32,77,117,108,116,105,112,108,105,99,97,116,105,111,110,32,102,111,114,32,65,82,77,118,52,47,78,69,79,78,44,32,67,82,89,80,84,79,71,65,77,83,32,98,121,32,60,97,112,112,114,111,64,111,112,101,110,115,115,108,46,111,114,103,62,0 225 .align 2 226 .align 5 227 228 #if __ARM_MAX_ARCH__>=7 229 .comm OPENSSL_armcap_P,4,4 230 #endif
Cache object: 2814f7daac903cef69b27e7c2ffcbae2
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