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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 | /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Fast MD5 implementation for PPC * * Copyright (c) 2015 Markus Stockhausen <stockhausen@collogia.de> */ #include <asm/ppc_asm.h> #include <asm/asm-offsets.h> #include <asm/asm-compat.h> #define rHP r3 #define rWP r4 #define rH0 r0 #define rH1 r6 #define rH2 r7 #define rH3 r5 #define rW00 r8 #define rW01 r9 #define rW02 r10 #define rW03 r11 #define rW04 r12 #define rW05 r14 #define rW06 r15 #define rW07 r16 #define rW08 r17 #define rW09 r18 #define rW10 r19 #define rW11 r20 #define rW12 r21 #define rW13 r22 #define rW14 r23 #define rW15 r24 #define rT0 r25 #define rT1 r26 #define INITIALIZE \ PPC_STLU r1,-INT_FRAME_SIZE(r1); \ SAVE_GPRS(14, 26, r1) /* push registers onto stack */ #define FINALIZE \ REST_GPRS(14, 26, r1); /* pop registers from stack */ \ addi r1,r1,INT_FRAME_SIZE #ifdef __BIG_ENDIAN__ #define LOAD_DATA(reg, off) \ lwbrx reg,0,rWP; /* load data */ #define INC_PTR \ addi rWP,rWP,4; /* increment per word */ #define NEXT_BLOCK /* nothing to do */ #else #define LOAD_DATA(reg, off) \ lwz reg,off(rWP); /* load data */ #define INC_PTR /* nothing to do */ #define NEXT_BLOCK \ addi rWP,rWP,64; /* increment per block */ #endif #define R_00_15(a, b, c, d, w0, w1, p, q, off, k0h, k0l, k1h, k1l) \ LOAD_DATA(w0, off) /* W */ \ and rT0,b,c; /* 1: f = b and c */ \ INC_PTR /* ptr++ */ \ andc rT1,d,b; /* 1: f' = ~b and d */ \ LOAD_DATA(w1, off+4) /* W */ \ or rT0,rT0,rT1; /* 1: f = f or f' */ \ addi w0,w0,k0l; /* 1: wk = w + k */ \ add a,a,rT0; /* 1: a = a + f */ \ addis w0,w0,k0h; /* 1: wk = w + k' */ \ addis w1,w1,k1h; /* 2: wk = w + k */ \ add a,a,w0; /* 1: a = a + wk */ \ addi w1,w1,k1l; /* 2: wk = w + k' */ \ rotrwi a,a,p; /* 1: a = a rotl x */ \ add d,d,w1; /* 2: a = a + wk */ \ add a,a,b; /* 1: a = a + b */ \ and rT0,a,b; /* 2: f = b and c */ \ andc rT1,c,a; /* 2: f' = ~b and d */ \ or rT0,rT0,rT1; /* 2: f = f or f' */ \ add d,d,rT0; /* 2: a = a + f */ \ INC_PTR /* ptr++ */ \ rotrwi d,d,q; /* 2: a = a rotl x */ \ add d,d,a; /* 2: a = a + b */ #define R_16_31(a, b, c, d, w0, w1, p, q, k0h, k0l, k1h, k1l) \ andc rT0,c,d; /* 1: f = c and ~d */ \ and rT1,b,d; /* 1: f' = b and d */ \ addi w0,w0,k0l; /* 1: wk = w + k */ \ or rT0,rT0,rT1; /* 1: f = f or f' */ \ addis w0,w0,k0h; /* 1: wk = w + k' */ \ add a,a,rT0; /* 1: a = a + f */ \ addi w1,w1,k1l; /* 2: wk = w + k */ \ add a,a,w0; /* 1: a = a + wk */ \ addis w1,w1,k1h; /* 2: wk = w + k' */ \ andc rT0,b,c; /* 2: f = c and ~d */ \ rotrwi a,a,p; /* 1: a = a rotl x */ \ add a,a,b; /* 1: a = a + b */ \ add d,d,w1; /* 2: a = a + wk */ \ and rT1,a,c; /* 2: f' = b and d */ \ or rT0,rT0,rT1; /* 2: f = f or f' */ \ add d,d,rT0; /* 2: a = a + f */ \ rotrwi d,d,q; /* 2: a = a rotl x */ \ add d,d,a; /* 2: a = a +b */ #define R_32_47(a, b, c, d, w0, w1, p, q, k0h, k0l, k1h, k1l) \ xor rT0,b,c; /* 1: f' = b xor c */ \ addi w0,w0,k0l; /* 1: wk = w + k */ \ xor rT1,rT0,d; /* 1: f = f xor f' */ \ addis w0,w0,k0h; /* 1: wk = w + k' */ \ add a,a,rT1; /* 1: a = a + f */ \ addi w1,w1,k1l; /* 2: wk = w + k */ \ add a,a,w0; /* 1: a = a + wk */ \ addis w1,w1,k1h; /* 2: wk = w + k' */ \ rotrwi a,a,p; /* 1: a = a rotl x */ \ add d,d,w1; /* 2: a = a + wk */ \ add a,a,b; /* 1: a = a + b */ \ xor rT1,rT0,a; /* 2: f = b xor f' */ \ add d,d,rT1; /* 2: a = a + f */ \ rotrwi d,d,q; /* 2: a = a rotl x */ \ add d,d,a; /* 2: a = a + b */ #define R_48_63(a, b, c, d, w0, w1, p, q, k0h, k0l, k1h, k1l) \ addi w0,w0,k0l; /* 1: w = w + k */ \ orc rT0,b,d; /* 1: f = b or ~d */ \ addis w0,w0,k0h; /* 1: w = w + k' */ \ xor rT0,rT0,c; /* 1: f = f xor c */ \ add a,a,w0; /* 1: a = a + wk */ \ addi w1,w1,k1l; /* 2: w = w + k */ \ add a,a,rT0; /* 1: a = a + f */ \ addis w1,w1,k1h; /* 2: w = w + k' */ \ rotrwi a,a,p; /* 1: a = a rotl x */ \ add a,a,b; /* 1: a = a + b */ \ orc rT0,a,c; /* 2: f = b or ~d */ \ add d,d,w1; /* 2: a = a + wk */ \ xor rT0,rT0,b; /* 2: f = f xor c */ \ add d,d,rT0; /* 2: a = a + f */ \ rotrwi d,d,q; /* 2: a = a rotl x */ \ add d,d,a; /* 2: a = a + b */ _GLOBAL(ppc_md5_transform) INITIALIZE mtctr r5 lwz rH0,0(rHP) lwz rH1,4(rHP) lwz rH2,8(rHP) lwz rH3,12(rHP) ppc_md5_main: R_00_15(rH0, rH1, rH2, rH3, rW00, rW01, 25, 20, 0, 0xd76b, -23432, 0xe8c8, -18602) R_00_15(rH2, rH3, rH0, rH1, rW02, rW03, 15, 10, 8, 0x2420, 0x70db, 0xc1be, -12562) R_00_15(rH0, rH1, rH2, rH3, rW04, rW05, 25, 20, 16, 0xf57c, 0x0faf, 0x4788, -14806) R_00_15(rH2, rH3, rH0, rH1, rW06, rW07, 15, 10, 24, 0xa830, 0x4613, 0xfd47, -27391) R_00_15(rH0, rH1, rH2, rH3, rW08, rW09, 25, 20, 32, 0x6981, -26408, 0x8b45, -2129) R_00_15(rH2, rH3, rH0, rH1, rW10, rW11, 15, 10, 40, 0xffff, 0x5bb1, 0x895d, -10306) R_00_15(rH0, rH1, rH2, rH3, rW12, rW13, 25, 20, 48, 0x6b90, 0x1122, 0xfd98, 0x7193) R_00_15(rH2, rH3, rH0, rH1, rW14, rW15, 15, 10, 56, 0xa679, 0x438e, 0x49b4, 0x0821) R_16_31(rH0, rH1, rH2, rH3, rW01, rW06, 27, 23, 0x0d56, 0x6e0c, 0x1810, 0x6d2d) R_16_31(rH2, rH3, rH0, rH1, rW11, rW00, 18, 12, 0x9d02, -32109, 0x124c, 0x2332) R_16_31(rH0, rH1, rH2, rH3, rW05, rW10, 27, 23, 0x8ea7, 0x4a33, 0x0245, -18270) R_16_31(rH2, rH3, rH0, rH1, rW15, rW04, 18, 12, 0x8eee, -8608, 0xf258, -5095) R_16_31(rH0, rH1, rH2, rH3, rW09, rW14, 27, 23, 0x969d, -10697, 0x1cbe, -15288) R_16_31(rH2, rH3, rH0, rH1, rW03, rW08, 18, 12, 0x3317, 0x3e99, 0xdbd9, 0x7c15) R_16_31(rH0, rH1, rH2, rH3, rW13, rW02, 27, 23, 0xac4b, 0x7772, 0xd8cf, 0x331d) R_16_31(rH2, rH3, rH0, rH1, rW07, rW12, 18, 12, 0x6a28, 0x6dd8, 0x219a, 0x3b68) R_32_47(rH0, rH1, rH2, rH3, rW05, rW08, 28, 21, 0x29cb, 0x28e5, 0x4218, -7788) R_32_47(rH2, rH3, rH0, rH1, rW11, rW14, 16, 9, 0x473f, 0x06d1, 0x3aae, 0x3036) R_32_47(rH0, rH1, rH2, rH3, rW01, rW04, 28, 21, 0xaea1, -15134, 0x640b, -11295) R_32_47(rH2, rH3, rH0, rH1, rW07, rW10, 16, 9, 0x8f4c, 0x4887, 0xbc7c, -22499) R_32_47(rH0, rH1, rH2, rH3, rW13, rW00, 28, 21, 0x7eb8, -27199, 0x00ea, 0x6050) R_32_47(rH2, rH3, rH0, rH1, rW03, rW06, 16, 9, 0xe01a, 0x22fe, 0x4447, 0x69c5) R_32_47(rH0, rH1, rH2, rH3, rW09, rW12, 28, 21, 0xb7f3, 0x0253, 0x59b1, 0x4d5b) R_32_47(rH2, rH3, rH0, rH1, rW15, rW02, 16, 9, 0x4701, -27017, 0xc7bd, -19859) R_48_63(rH0, rH1, rH2, rH3, rW00, rW07, 26, 22, 0x0988, -1462, 0x4c70, -19401) R_48_63(rH2, rH3, rH0, rH1, rW14, rW05, 17, 11, 0xadaf, -5221, 0xfc99, 0x66f7) R_48_63(rH0, rH1, rH2, rH3, rW12, rW03, 26, 22, 0x7e80, -16418, 0xba1e, -25587) R_48_63(rH2, rH3, rH0, rH1, rW10, rW01, 17, 11, 0x4130, 0x380d, 0xe0c5, 0x738d) lwz rW00,0(rHP) R_48_63(rH0, rH1, rH2, rH3, rW08, rW15, 26, 22, 0xe837, -30770, 0xde8a, 0x69e8) lwz rW14,4(rHP) R_48_63(rH2, rH3, rH0, rH1, rW06, rW13, 17, 11, 0x9e79, 0x260f, 0x256d, -27941) lwz rW12,8(rHP) R_48_63(rH0, rH1, rH2, rH3, rW04, rW11, 26, 22, 0xab75, -20775, 0x4f9e, -28397) lwz rW10,12(rHP) R_48_63(rH2, rH3, rH0, rH1, rW02, rW09, 17, 11, 0x662b, 0x7c56, 0x11b2, 0x0358) add rH0,rH0,rW00 stw rH0,0(rHP) add rH1,rH1,rW14 stw rH1,4(rHP) add rH2,rH2,rW12 stw rH2,8(rHP) add rH3,rH3,rW10 stw rH3,12(rHP) NEXT_BLOCK bdnz ppc_md5_main FINALIZE blr |