Branch data Line data Source code
1 : : // SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
2 : : /* Copyright 2013-2018 IBM Corp. */
3 : :
4 : : #include <stdio.h>
5 : : #include <stdlib.h>
6 : : #include <stdint.h>
7 : : #include <string.h>
8 : :
9 : : #include <libflash/ecc.h>
10 : :
11 : : #include "../ecc.c"
12 : :
13 : : #define __unused __attribute__((unused))
14 : :
15 : : #define ERR(fmt...) fprintf(stderr, fmt)
16 : :
17 : : #define NUM_ECC_ROWS 320
18 : :
19 : : /*
20 : : * Note this data is big endian as this is what the ecc code expects.
21 : : * The ECC code returns IBM bit numbers assuming the word was in CPU
22 : : * endian!
23 : : */
24 : :
25 : : /* 8 data bytes 1 ecc byte per row */
26 : : struct ecc64 ecc_data[] = {
27 : : { 0xfeffffffffffffff, 0x00 }, /* This row will have ecc correct bit 63 */
28 : : { 0xfdffffffffffffff, 0x00 }, /* This row will have ecc correct bit 62 */
29 : : { 0xfbffffffffffffff, 0x00 }, /* This row will have ecc correct bit 61 */
30 : : { 0xf7ffffffffffffff, 0x00 }, /* This row will have ecc correct bit 60 */
31 : : { 0xefffffffffffffff, 0x00 }, /* This row will have ecc correct bit 59 */
32 : : { 0xdfffffffffffffff, 0x00 }, /* This row will have ecc correct bit 58 */
33 : : { 0xbfffffffffffffff, 0x00 }, /* This row will have ecc correct bit 57 */
34 : : { 0x7fffffffffffffff, 0x00 }, /* This row will have ecc correct bit 56 */
35 : : { 0xfffeffffffffffff, 0x00 }, /* This row will have ecc correct bit 55 */
36 : : { 0xfffdffffffffffff, 0x00 }, /* This row will have ecc correct bit 54 */
37 : : { 0xfffbffffffffffff, 0x00 }, /* This row will have ecc correct bit 53 */
38 : : { 0xfff7ffffffffffff, 0x00 }, /* This row will have ecc correct bit 52 */
39 : : { 0xffefffffffffffff, 0x00 }, /* This row will have ecc correct bit 51 */
40 : : { 0xffdfffffffffffff, 0x00 }, /* This row will have ecc correct bit 50 */
41 : : { 0xffbfffffffffffff, 0x00 }, /* This row will have ecc correct bit 49 */
42 : : { 0xff7fffffffffffff, 0x00 }, /* This row will have ecc correct bit 48 */
43 : : { 0xfffffeffffffffff, 0x00 }, /* This row will have ecc correct bit 47 */
44 : : { 0xfffffdffffffffff, 0x00 }, /* This row will have ecc correct bit 46 */
45 : : { 0xfffffbffffffffff, 0x00 }, /* This row will have ecc correct bit 45 */
46 : : { 0xfffff7ffffffffff, 0x00 }, /* This row will have ecc correct bit 44 */
47 : : { 0xffffefffffffffff, 0x00 }, /* This row will have ecc correct bit 43 */
48 : : { 0xffffdfffffffffff, 0x00 }, /* This row will have ecc correct bit 42 */
49 : : { 0xffffbfffffffffff, 0x00 }, /* This row will have ecc correct bit 41 */
50 : : { 0xffff7fffffffffff, 0x00 }, /* This row will have ecc correct bit 40 */
51 : : { 0xfffffffeffffffff, 0x00 }, /* This row will have ecc correct bit 39 */
52 : : { 0xfffffffdffffffff, 0x00 }, /* This row will have ecc correct bit 38 */
53 : : { 0xfffffffbffffffff, 0x00 }, /* This row will have ecc correct bit 37 */
54 : : { 0xfffffff7ffffffff, 0x00 }, /* This row will have ecc correct bit 36 */
55 : : { 0xffffffefffffffff, 0x00 }, /* This row will have ecc correct bit 35 */
56 : : { 0xffffffdfffffffff, 0x00 }, /* This row will have ecc correct bit 34 */
57 : : { 0xffffffbfffffffff, 0x00 }, /* This row will have ecc correct bit 33 */
58 : : { 0xffffff7fffffffff, 0x00 }, /* This row will have ecc correct bit 32 */
59 : : { 0xfffffffffeffffff, 0x00 }, /* This row will have ecc correct bit 31 */
60 : : { 0xfffffffffdffffff, 0x00 }, /* This row will have ecc correct bit 30 */
61 : : { 0xfffffffffbffffff, 0x00 }, /* This row will have ecc correct bit 29 */
62 : : { 0xfffffffff7ffffff, 0x00 }, /* This row will have ecc correct bit 28 */
63 : : { 0xffffffffefffffff, 0x00 }, /* This row will have ecc correct bit 27 */
64 : : { 0xffffffffdfffffff, 0x00 }, /* This row will have ecc correct bit 26 */
65 : : { 0xffffffffbfffffff, 0x00 }, /* This row will have ecc correct bit 25 */
66 : : { 0xffffffff7fffffff, 0x00 }, /* This row will have ecc correct bit 24 */
67 : : { 0xfffffffffffeffff, 0x00 }, /* This row will have ecc correct bit 23 */
68 : : { 0xfffffffffffdffff, 0x00 }, /* This row will have ecc correct bit 22 */
69 : : { 0xfffffffffffbffff, 0x00 }, /* This row will have ecc correct bit 21 */
70 : : { 0xfffffffffff7ffff, 0x00 }, /* This row will have ecc correct bit 20 */
71 : : { 0xffffffffffefffff, 0x00 }, /* This row will have ecc correct bit 19 */
72 : : { 0xffffffffffdfffff, 0x00 }, /* This row will have ecc correct bit 18 */
73 : : { 0xffffffffffbfffff, 0x00 }, /* This row will have ecc correct bit 17 */
74 : : { 0xffffffffff7fffff, 0x00 }, /* This row will have ecc correct bit 16 */
75 : : { 0xfffffffffffffeff, 0x00 }, /* This row will have ecc correct bit 15 */
76 : : { 0xfffffffffffffdff, 0x00 }, /* This row will have ecc correct bit 14 */
77 : : { 0xfffffffffffffbff, 0x00 }, /* This row will have ecc correct bit 13 */
78 : : { 0xfffffffffffff7ff, 0x00 }, /* This row will have ecc correct bit 12 */
79 : : { 0xffffffffffffefff, 0x00 }, /* This row will have ecc correct bit 11 */
80 : : { 0xffffffffffffdfff, 0x00 }, /* This row will have ecc correct bit 10 */
81 : : { 0xffffffffffffbfff, 0x00 }, /* This row will have ecc correct bit 9 */
82 : : { 0xffffffffffff7fff, 0x00 }, /* This row will have ecc correct bit 8 */
83 : : { 0xfffffffffffffffe, 0x00 }, /* This row will have ecc correct bit 7 */
84 : : { 0xfffffffffffffffd, 0x00 }, /* This row will have ecc correct bit 6 */
85 : : { 0xfffffffffffffffb, 0x00 }, /* This row will have ecc correct bit 5 */
86 : : { 0xfffffffffffffff7, 0x00 }, /* This row will have ecc correct bit 4 */
87 : : { 0xffffffffffffffef, 0x00 }, /* This row will have ecc correct bit 3 */
88 : : { 0xffffffffffffffdf, 0x00 }, /* This row will have ecc correct bit 2 */
89 : : { 0xffffffffffffffbf, 0x00 }, /* This row will have ecc correct bit 1 */
90 : : { 0xffffffffffffff7f, 0x00 }, /* This row will have ecc correct bit 0 */
91 : : /*
92 : : * 'Randomised' input into eccgenerate 0x54f7c5d1 was seeded to rand()
93 : : * Note: eccgenerate from skiboot commit 6cfaa3ba1015c6ac9cc4a06f878b4289022cff54
94 : : * was used to generate these ecc numbers
95 : : */
96 : : { 0x29d87c7c8ab7d46d, 0xb9 }, /* Use this row to check eccgenerate() */
97 : : { 0x9064174098381641, 0x3b }, /* Use this row to check eccgenerate() */
98 : : { 0x77fd7d2fc7d22154, 0xe4 }, /* Use this row to check eccgenerate() */
99 : : { 0x6b02ba39b64a6168, 0xbf }, /* Use this row to check eccgenerate() */
100 : : { 0x68fa9c633eef0544, 0x2a }, /* Use this row to check eccgenerate() */
101 : : { 0xe814b258b3f92e55, 0x35 }, /* Use this row to check eccgenerate() */
102 : : { 0xc3e2bd658db4db6d, 0xda }, /* Use this row to check eccgenerate() */
103 : : { 0xe1dd487b6209876a, 0x45 }, /* Use this row to check eccgenerate() */
104 : : { 0x309f9e6b91831433, 0xe4 }, /* Use this row to check eccgenerate() */
105 : : { 0xd8b77d39f4d66410, 0x6c }, /* Use this row to check eccgenerate() */
106 : : { 0x83ba293cf30a9e6a, 0xc9 }, /* Use this row to check eccgenerate() */
107 : : { 0x3aeaef79af97ec1a, 0x09 }, /* Use this row to check eccgenerate() */
108 : : { 0xa90ef431e4778c43, 0x91 }, /* Use this row to check eccgenerate() */
109 : : { 0xa74bbf1e6b6fda00, 0xc5 }, /* Use this row to check eccgenerate() */
110 : : { 0x67b5a872efa57c30, 0xb9 }, /* Use this row to check eccgenerate() */
111 : : { 0x795d511e3605ff67, 0x03 }, /* Use this row to check eccgenerate() */
112 : : { 0xce3d1529918d256f, 0x36 }, /* Use this row to check eccgenerate() */
113 : : { 0x586047430ac2685e, 0xab }, /* Use this row to check eccgenerate() */
114 : : { 0xc00cca46463b9358, 0x42 }, /* Use this row to check eccgenerate() */
115 : : { 0x842a991cc362017d, 0xb2 }, /* Use this row to check eccgenerate() */
116 : : { 0x765c30522807672a, 0x26 }, /* Use this row to check eccgenerate() */
117 : : { 0xb5bb42186c3f4b75, 0x2b }, /* Use this row to check eccgenerate() */
118 : : { 0xce48d25f393fee37, 0x90 }, /* Use this row to check eccgenerate() */
119 : : { 0xcbc2026b96998b13, 0x40 }, /* Use this row to check eccgenerate() */
120 : : { 0x8b70f023ffe7704b, 0x23 }, /* Use this row to check eccgenerate() */
121 : : { 0xf2f20e36a37a8024, 0x19 }, /* Use this row to check eccgenerate() */
122 : : { 0x52126d3f0e2b1a60, 0xa0 }, /* Use this row to check eccgenerate() */
123 : : { 0xf2a2a6232dddfe2f, 0xc4 }, /* Use this row to check eccgenerate() */
124 : : { 0x984cd930fb206171, 0xa5 }, /* Use this row to check eccgenerate() */
125 : : { 0xeac6dd2199ee6542, 0xea }, /* Use this row to check eccgenerate() */
126 : : { 0xd0f3642aff018223, 0x3b }, /* Use this row to check eccgenerate() */
127 : : { 0x908fa71263242f40, 0x0a }, /* Use this row to check eccgenerate() */
128 : : { 0x6de6971e9e317a53, 0xa6 }, /* Use this row to check eccgenerate() */
129 : : { 0xe46c0d2ce8efee55, 0xa4 }, /* Use this row to check eccgenerate() */
130 : : { 0xab52f0522df36165, 0x06 }, /* Use this row to check eccgenerate() */
131 : : { 0x55fac80f6997a648, 0x9a }, /* Use this row to check eccgenerate() */
132 : : { 0xd5d6f13d21af2025, 0xed }, /* Use this row to check eccgenerate() */
133 : : { 0x5bee0e5d0bb60b28, 0x66 }, /* Use this row to check eccgenerate() */
134 : : { 0xa14f973ba41fc41d, 0xa8 }, /* Use this row to check eccgenerate() */
135 : : { 0xa307356926b11148, 0x5a }, /* Use this row to check eccgenerate() */
136 : : { 0xc92b926c2cc0875f, 0x7e }, /* Use this row to check eccgenerate() */
137 : : { 0x3aeba13f95fa431f, 0x92 }, /* Use this row to check eccgenerate() */
138 : : { 0xc2d7424f1b3eff2b, 0xe6 }, /* Use this row to check eccgenerate() */
139 : : { 0x165f601d2c8e4863, 0x2b }, /* Use this row to check eccgenerate() */
140 : : { 0xc67cae255a241c00, 0x78 }, /* Use this row to check eccgenerate() */
141 : : { 0x5a269e2300263e3f, 0x07 }, /* Use this row to check eccgenerate() */
142 : : { 0x634a6d7f96701350, 0xe9 }, /* Use this row to check eccgenerate() */
143 : : { 0x34a28d23eab54536, 0xd2 }, /* Use this row to check eccgenerate() */
144 : : { 0xd3a5340cd130051e, 0x48 }, /* Use this row to check eccgenerate() */
145 : : { 0xfe236703190f9b4f, 0x7e }, /* Use this row to check eccgenerate() */
146 : : { 0x82a641187ef8245f, 0x20 }, /* Use this row to check eccgenerate() */
147 : : { 0xa0a74504541e3013, 0xc7 }, /* Use this row to check eccgenerate() */
148 : : { 0x5fd43b3b577d3356, 0x85 }, /* Use this row to check eccgenerate() */
149 : : { 0xfb9cf773fb955461, 0x06 }, /* Use this row to check eccgenerate() */
150 : : { 0x214766290024d376, 0x80 }, /* Use this row to check eccgenerate() */
151 : : { 0x2de45a569ea42c5d, 0x22 }, /* Use this row to check eccgenerate() */
152 : : { 0x349f707cea72f815, 0xf3 }, /* Use this row to check eccgenerate() */
153 : : { 0x05b1f74167cffc15, 0xe9 }, /* Use this row to check eccgenerate() */
154 : : { 0x945d4579f676b34b, 0x63 }, /* Use this row to check eccgenerate() */
155 : : { 0x519bcf4b1b10585f, 0x47 }, /* Use this row to check eccgenerate() */
156 : : { 0x1b36961e5adaf31e, 0x25 }, /* Use this row to check eccgenerate() */
157 : : { 0xf04a076fabc16d6f, 0x20 }, /* Use this row to check eccgenerate() */
158 : : { 0x9577b3257e80031e, 0xef }, /* Use this row to check eccgenerate() */
159 : : { 0x4fb1083c24ed9412, 0x97 }, /* Use this row to check eccgenerate() */
160 : : { 0x3dfc2f62681de831, 0x1f }, /* Use this row to check eccgenerate() */
161 : : { 0xe7150d114ed56f3f, 0x10 }, /* Use this row to check eccgenerate() */
162 : : { 0xa2f39f52bfa2717a, 0x40 }, /* Use this row to check eccgenerate() */
163 : : { 0x1720a55087bd5215, 0xb3 }, /* Use this row to check eccgenerate() */
164 : : { 0x8253a77601c8db0d, 0x45 }, /* Use this row to check eccgenerate() */
165 : : { 0x01ecae0412bd9c44, 0x5f }, /* Use this row to check eccgenerate() */
166 : : { 0xb161c921a39a0d20, 0x51 }, /* Use this row to check eccgenerate() */
167 : : { 0x8d0d06362ed0095b, 0x94 }, /* Use this row to check eccgenerate() */
168 : : { 0x969f0671e5003a1e, 0x9b }, /* Use this row to check eccgenerate() */
169 : : { 0xdb77ed6992befd77, 0x63 }, /* Use this row to check eccgenerate() */
170 : : { 0xadce55572afd4b6a, 0x3e }, /* Use this row to check eccgenerate() */
171 : : { 0x84d73f092c13bd35, 0x50 }, /* Use this row to check eccgenerate() */
172 : : { 0xd7d42a25c804ec75, 0x05 }, /* Use this row to check eccgenerate() */
173 : : { 0x4685ef1374224778, 0x72 }, /* Use this row to check eccgenerate() */
174 : : { 0x980fdc0a6d4cde4a, 0x9d }, /* Use this row to check eccgenerate() */
175 : : { 0xd569c67c9636f84f, 0x81 }, /* Use this row to check eccgenerate() */
176 : : { 0xe40b680fd60b0c6d, 0x2c }, /* Use this row to check eccgenerate() */
177 : : { 0x95ae7d67bc7fd30d, 0x72 }, /* Use this row to check eccgenerate() */
178 : : { 0x433d262386ff0762, 0xf4 }, /* Use this row to check eccgenerate() */
179 : : { 0x87c7e36facce2238, 0x5a }, /* Use this row to check eccgenerate() */
180 : : { 0xbf8bbf7cc590cd19, 0xe0 }, /* Use this row to check eccgenerate() */
181 : : { 0x682bdb3988b39274, 0x4f }, /* Use this row to check eccgenerate() */
182 : : { 0xb7839c4f70ed881e, 0x6b }, /* Use this row to check eccgenerate() */
183 : : { 0x55eec23cf538e16f, 0x72 }, /* Use this row to check eccgenerate() */
184 : : { 0x87f7de674d23a340, 0xb4 }, /* Use this row to check eccgenerate() */
185 : : { 0x7720ef2a3066b026, 0x7c }, /* Use this row to check eccgenerate() */
186 : : { 0x5d796d5c34c6343f, 0x5e }, /* Use this row to check eccgenerate() */
187 : : { 0xfcca2035fbf72e34, 0xc6 }, /* Use this row to check eccgenerate() */
188 : : { 0x6f1a762c344e9801, 0x87 }, /* Use this row to check eccgenerate() */
189 : : { 0xa19a764c43501049, 0x35 }, /* Use this row to check eccgenerate() */
190 : : { 0xd9860819072a5237, 0x6a }, /* Use this row to check eccgenerate() */
191 : : { 0xdd355e2477043d49, 0x2d }, /* Use this row to check eccgenerate() */
192 : : { 0x33841057bd927028, 0xaa }, /* Use this row to check eccgenerate() */
193 : : { 0x4392780a73e4db0b, 0xfa }, /* Use this row to check eccgenerate() */
194 : : { 0x1fb3fe4377c1367a, 0x47 }, /* Use this row to check eccgenerate() */
195 : : { 0x3c520414ca595c7a, 0x58 }, /* Use this row to check eccgenerate() */
196 : : { 0x520def6ede3ebe40, 0xac }, /* Use this row to check eccgenerate() */
197 : : { 0x4e2c475fa57ddf4d, 0x5c }, /* Use this row to check eccgenerate() */
198 : : { 0x9ab6c03d09918b3e, 0x95 }, /* Use this row to check eccgenerate() */
199 : : { 0x56b42e7fa31a0a1c, 0x5d }, /* Use this row to check eccgenerate() */
200 : : { 0xd480ba4222ae9f25, 0x87 }, /* Use this row to check eccgenerate() */
201 : : { 0x5674d464cdd41d2a, 0xc7 }, /* Use this row to check eccgenerate() */
202 : : { 0xc8cc4c5e31fa271f, 0x6e }, /* Use this row to check eccgenerate() */
203 : : { 0x6548c020533ff519, 0x00 }, /* Use this row to check eccgenerate() */
204 : : { 0x968f056337e7c20a, 0x0e }, /* Use this row to check eccgenerate() */
205 : : { 0x3f11154207e3366d, 0xbe }, /* Use this row to check eccgenerate() */
206 : : { 0x7ee773366f160e7c, 0x53 }, /* Use this row to check eccgenerate() */
207 : : { 0x2ca97e241c477366, 0x1c }, /* Use this row to check eccgenerate() */
208 : : { 0x8f2b4f72b16b840d, 0x88 }, /* Use this row to check eccgenerate() */
209 : : { 0x282dbb076f3bf72e, 0xd0 }, /* Use this row to check eccgenerate() */
210 : : { 0x39955329afde4d36, 0xc7 }, /* Use this row to check eccgenerate() */
211 : : { 0x8d1d0c77657fbf1b, 0x22 }, /* Use this row to check eccgenerate() */
212 : : { 0x0afd9e698ba24218, 0x1a }, /* Use this row to check eccgenerate() */
213 : : { 0x9533ce56dc495356, 0x2a }, /* Use this row to check eccgenerate() */
214 : : { 0x7f645d72a4b35f27, 0x80 }, /* Use this row to check eccgenerate() */
215 : : { 0xc661ff4cebe7fc55, 0xe2 }, /* Use this row to check eccgenerate() */
216 : : { 0xb9bc1a0053e51735, 0xff }, /* Use this row to check eccgenerate() */
217 : : { 0x84df3f541dd6d331, 0x54 }, /* Use this row to check eccgenerate() */
218 : : { 0x7015c94b8189675e, 0x02 }, /* Use this row to check eccgenerate() */
219 : : { 0xb9702a69ea270075, 0x1f }, /* Use this row to check eccgenerate() */
220 : : { 0xf10a376206a5ce2e, 0x6f }, /* Use this row to check eccgenerate() */
221 : : { 0x75bbdc2af8813f2b, 0xb1 }, /* Use this row to check eccgenerate() */
222 : : { 0x14c9b2116ff2aa18, 0x7a }, /* Use this row to check eccgenerate() */
223 : : { 0x205e2f26a1645b4f, 0x2b }, /* Use this row to check eccgenerate() */
224 : : { 0x10a0527ea4f40104, 0xf6 }, /* Use this row to check eccgenerate() */
225 : : { 0x53d34f3a498bea2d, 0x93 }, /* Use this row to check eccgenerate() */
226 : : { 0xae0aaa494935a627, 0xbf }, /* Use this row to check eccgenerate() */
227 : : { 0xd4d7e83fe0f05b31, 0x58 }, /* Use this row to check eccgenerate() */
228 : : { 0xbc3aaf07b8074933, 0x74 }, /* Use this row to check eccgenerate() */
229 : : { 0x5cbba85a690bb716, 0xbf }, /* Use this row to check eccgenerate() */
230 : : { 0x55f3b36c3c9f0c7a, 0x3a }, /* Use this row to check eccgenerate() */
231 : : { 0x8f84242f231da827, 0x50 }, /* Use this row to check eccgenerate() */
232 : : { 0x40f37b590eb0ce6c, 0x9c }, /* Use this row to check eccgenerate() */
233 : : { 0x8f39364b14646403, 0x0b }, /* Use this row to check eccgenerate() */
234 : : { 0xfe8b6478b0084525, 0x21 }, /* Use this row to check eccgenerate() */
235 : : { 0xb6ad135448aa6034, 0x1c }, /* Use this row to check eccgenerate() */
236 : : { 0x402ca05fef969b5a, 0x90 }, /* Use this row to check eccgenerate() */
237 : : { 0x5e8946732b69f07e, 0xaa }, /* Use this row to check eccgenerate() */
238 : : { 0xcccd4b4e55f55271, 0xe8 }, /* Use this row to check eccgenerate() */
239 : : { 0xf9e954757ee77519, 0xf8 }, /* Use this row to check eccgenerate() */
240 : : { 0xc7726047dc6d9e4c, 0x67 }, /* Use this row to check eccgenerate() */
241 : : { 0x25a344744cbda42f, 0x77 }, /* Use this row to check eccgenerate() */
242 : : { 0x2cae0061757d0a11, 0xca }, /* Use this row to check eccgenerate() */
243 : : { 0x2d855344f97a2d34, 0x9b }, /* Use this row to check eccgenerate() */
244 : : { 0x6386e44ae9e8af68, 0x6c }, /* Use this row to check eccgenerate() */
245 : : { 0x2588bc628a40fc1e, 0x4c }, /* Use this row to check eccgenerate() */
246 : : { 0xad5da446b8799837, 0x31 }, /* Use this row to check eccgenerate() */
247 : : { 0xc6296724b40ce111, 0xde }, /* Use this row to check eccgenerate() */
248 : : { 0xc8704515ed502020, 0x72 }, /* Use this row to check eccgenerate() */
249 : : { 0x9d59654555639d6f, 0x16 }, /* Use this row to check eccgenerate() */
250 : : { 0x9e0dfe23c6fca90d, 0x37 }, /* Use this row to check eccgenerate() */
251 : : { 0xb593456853077919, 0xee }, /* Use this row to check eccgenerate() */
252 : : { 0x7e706918de399e03, 0xe7 }, /* Use this row to check eccgenerate() */
253 : : { 0x332ff174131d8c5b, 0x34 }, /* Use this row to check eccgenerate() */
254 : : { 0x920402754a3eb566, 0x2f }, /* Use this row to check eccgenerate() */
255 : : { 0x26ac53332c19466a, 0x0c }, /* Use this row to check eccgenerate() */
256 : : { 0x78d6ea195977623c, 0x6f }, /* Use this row to check eccgenerate() */
257 : : { 0xcff46c4d4b4f9827, 0x20 }, /* Use this row to check eccgenerate() */
258 : : { 0x44cac55ba584eb7a, 0x5f }, /* Use this row to check eccgenerate() */
259 : : { 0x8e6d9b63fc79c011, 0xc8 }, /* Use this row to check eccgenerate() */
260 : : { 0x86babc30a750aa26, 0x20 }, /* Use this row to check eccgenerate() */
261 : : { 0x5fca425eb3f55746, 0x12 }, /* Use this row to check eccgenerate() */
262 : : { 0x6702395833186177, 0xaf }, /* Use this row to check eccgenerate() */
263 : : { 0x2069811725f4a902, 0x87 }, /* Use this row to check eccgenerate() */
264 : : { 0x7b57477230737e6d, 0xd9 }, /* Use this row to check eccgenerate() */
265 : : { 0xf66f287bbdc2e65c, 0xfa }, /* Use this row to check eccgenerate() */
266 : : { 0x10ca5f7619654516, 0x52 }, /* Use this row to check eccgenerate() */
267 : : { 0xf79ee319ac036e63, 0x58 }, /* Use this row to check eccgenerate() */
268 : : { 0xbf20fa3e8e3ac90e, 0x82 }, /* Use this row to check eccgenerate() */
269 : : { 0xd8787e752bced40e, 0x54 }, /* Use this row to check eccgenerate() */
270 : : { 0x57e71a795125fc33, 0xfe }, /* Use this row to check eccgenerate() */
271 : : { 0xab9c5e70fe24d228, 0xfc }, /* Use this row to check eccgenerate() */
272 : : { 0x49746a50d0bd0513, 0x9d }, /* Use this row to check eccgenerate() */
273 : : { 0x7542f10d7a91cb3d, 0xb9 }, /* Use this row to check eccgenerate() */
274 : : { 0x760b8c4f8e3e302c, 0x82 }, /* Use this row to check eccgenerate() */
275 : : { 0x358fda5203b08c71, 0x23 }, /* Use this row to check eccgenerate() */
276 : : { 0xb6a5e437fdc54800, 0xb6 }, /* Use this row to check eccgenerate() */
277 : : { 0x30dea97795591d31, 0x7c }, /* Use this row to check eccgenerate() */
278 : : { 0xba4dc7331da81d10, 0x11 }, /* Use this row to check eccgenerate() */
279 : : { 0x4d1b9c7d51472b0f, 0x37 }, /* Use this row to check eccgenerate() */
280 : : { 0x0e0a126c35a50e26, 0xd6 }, /* Use this row to check eccgenerate() */
281 : : { 0x4e0a543c448bc478, 0x0f }, /* Use this row to check eccgenerate() */
282 : : { 0xf08e325c1fd47162, 0x6b }, /* Use this row to check eccgenerate() */
283 : : { 0xad0e3b7146a93756, 0x86 }, /* Use this row to check eccgenerate() */
284 : : { 0x71770c65afaf2c1b, 0xae }, /* Use this row to check eccgenerate() */
285 : : { 0x01d5284f8687b966, 0x37 }, /* Use this row to check eccgenerate() */
286 : : { 0x84ac8b0fc85e275e, 0x86 }, /* Use this row to check eccgenerate() */
287 : : { 0x981c2d71ac71873f, 0x4e }, /* Use this row to check eccgenerate() */
288 : : { 0x2603537dce20f65f, 0xb5 }, /* Use this row to check eccgenerate() */
289 : : { 0x5c5f260c0d5f1e7f, 0x0b }, /* Use this row to check eccgenerate() */
290 : : { 0x100fab709c0edf4c, 0xc9 }, /* Use this row to check eccgenerate() */
291 : : { 0x99d4274d91ee005f, 0x83 }, /* Use this row to check eccgenerate() */
292 : : { 0x26481e10c6b48f28, 0x16 }, /* Use this row to check eccgenerate() */
293 : : { 0xe45cad38cab2d144, 0x9c }, /* Use this row to check eccgenerate() */
294 : : { 0x1bfafc53e195e543, 0x8e }, /* Use this row to check eccgenerate() */
295 : : { 0x163bf46931784936, 0xdc }, /* Use this row to check eccgenerate() */
296 : : { 0x75030e2f29040f40, 0x48 }, /* Use this row to check eccgenerate() */
297 : : { 0x48d8802265454826, 0x2a }, /* Use this row to check eccgenerate() */
298 : : { 0xabee7f7c6592400b, 0x2b }, /* Use this row to check eccgenerate() */
299 : : { 0x15426d26f6e6bb13, 0x89 }, /* Use this row to check eccgenerate() */
300 : : { 0x7c6e757a1c668c61, 0x6d }, /* Use this row to check eccgenerate() */
301 : : { 0xe4c4b33f16179675, 0x74 }, /* Use this row to check eccgenerate() */
302 : : { 0xc2881d35001b010a, 0xd4 }, /* Use this row to check eccgenerate() */
303 : : { 0xce3bf7697de1e030, 0x65 }, /* Use this row to check eccgenerate() */
304 : : { 0x8a40ff2fe88b7032, 0x19 }, /* Use this row to check eccgenerate() */
305 : : { 0x849a4f7f2a9b1d76, 0x58 }, /* Use this row to check eccgenerate() */
306 : : { 0xbc891e559b4faa20, 0x4c }, /* Use this row to check eccgenerate() */
307 : : { 0x61043a491e6f774c, 0x28 }, /* Use this row to check eccgenerate() */
308 : : { 0xe8214911e2d13c65, 0x9e }, /* Use this row to check eccgenerate() */
309 : : { 0xc36722294561e701, 0x3d }, /* Use this row to check eccgenerate() */
310 : : { 0x77d93038031c4665, 0x55 }, /* Use this row to check eccgenerate() */
311 : : { 0x2c205525daa21613, 0x85 }, /* Use this row to check eccgenerate() */
312 : : { 0x3fe85e39ecdc3e67, 0x20 }, /* Use this row to check eccgenerate() */
313 : : { 0x526f7f7275f8d547, 0xa4 }, /* Use this row to check eccgenerate() */
314 : : { 0x6bdf915bead6de35, 0xac }, /* Use this row to check eccgenerate() */
315 : : { 0x063d6b1767b1ec18, 0x78 }, /* Use this row to check eccgenerate() */
316 : : { 0x7dc8820ee74d0756, 0x31 }, /* Use this row to check eccgenerate() */
317 : : { 0xe7680860ea011f57, 0x3f }, /* Use this row to check eccgenerate() */
318 : : { 0x67e3ff073f51a043, 0xd6 }, /* Use this row to check eccgenerate() */
319 : : { 0x27dd1076b6a4ff49, 0x10 }, /* Use this row to check eccgenerate() */
320 : : { 0xe03f1d40f223ff37, 0xec }, /* Use this row to check eccgenerate() */
321 : : { 0x8d73a958ab776075, 0x6f }, /* Use this row to check eccgenerate() */
322 : : { 0xc9e6d7419cc93b15, 0x8f }, /* Use this row to check eccgenerate() */
323 : : { 0x7f9b787aee77e321, 0xb7 }, /* Use this row to check eccgenerate() */
324 : : { 0x34d9ca23b1082153, 0xa9 }, /* Use this row to check eccgenerate() */
325 : : { 0xb424673842039b23, 0xe2 }, /* Use this row to check eccgenerate() */
326 : : { 0x1ca6b136abb2fb5b, 0xe1 }, /* Use this row to check eccgenerate() */
327 : : { 0x978f3a43e144bc5d, 0x64 }, /* Use this row to check eccgenerate() */
328 : : { 0x563d92255b8e1070, 0x14 }, /* Use this row to check eccgenerate() */
329 : : { 0x4565ef25e9feb935, 0x2d }, /* Use this row to check eccgenerate() */
330 : : { 0x50b0a64ec11c2401, 0x3c }, /* Use this row to check eccgenerate() */
331 : : { 0xa86a2b574ba25a3d, 0x8b }, /* Use this row to check eccgenerate() */
332 : : { 0x36a47914cd78295d, 0xf1 }, /* Use this row to check eccgenerate() */
333 : : { 0x0ccac9208fd33337, 0xe4 }, /* Use this row to check eccgenerate() */
334 : : { 0x457833019d87791c, 0xc4 }, /* Use this row to check eccgenerate() */
335 : : { 0x8fab785433a7da16, 0x0c }, /* Use this row to check eccgenerate() */
336 : : { 0xdf1e3b0c26b85041, 0x94 }, /* Use this row to check eccgenerate() */
337 : : { 0xc2818c561c1f222d, 0x9a }, /* Use this row to check eccgenerate() */
338 : : { 0x0b97054fa805134e, 0xec }, /* Use this row to check eccgenerate() */
339 : : { 0x5a0e3421411d0551, 0x57 }, /* Use this row to check eccgenerate() */
340 : : { 0x8420a0743f70d072, 0xa8 }, /* Use this row to check eccgenerate() */
341 : : { 0xea22cc4e0e339b59, 0x15 }, /* Use this row to check eccgenerate() */
342 : : { 0xef775737a0c6512b, 0xe7 }, /* Use this row to check eccgenerate() */
343 : : { 0xfc54621b81b20612, 0x9a }, /* Use this row to check eccgenerate() */
344 : : { 0x6bb1c04745b5e95c, 0x1e }, /* Use this row to check eccgenerate() */
345 : : { 0x06d20d5e41ba5141, 0x56 }, /* Use this row to check eccgenerate() */
346 : : { 0x8d5cac7ebb616716, 0x43 }, /* Use this row to check eccgenerate() */
347 : : { 0x89da9073ae3c3935, 0xb1 }, /* Use this row to check eccgenerate() */
348 : : { 0x3e106d6cc3002613, 0xec }, /* Use this row to check eccgenerate() */
349 : : { 0x60889f2f95a45a14, 0x69 }, /* Use this row to check eccgenerate() */
350 : : { 0xc94b352b8388a06d, 0x53 }, /* Use this row to check eccgenerate() */
351 : : { 0xa940f12ef0331804, 0x7a }, /* Use this row to check eccgenerate() */
352 : :
353 : : };
354 : :
355 : 1 : int main(void)
356 : : {
357 : : int i;
358 : : uint8_t ret_memcpy;
359 : : uint8_t ret_verify;
360 : : uint64_t dst;
361 : : uint64_t *buf;
362 : : struct ecc64 *ret_buf;
363 : :
364 : : /*
365 : : * Test that eccgenerate() still works, but skip the first 64 because they
366 : : * have intentional bitflips
367 : : */
368 : 1 : printf("Checking eccgenerate()\n");
369 : 257 : for (i = 64; i < NUM_ECC_ROWS; i++) {
370 : 256 : if (eccgenerate(be64toh(ecc_data[i].data)) != ecc_data[i].ecc) {
371 : 0 : ERR("ECC did not generate the correct value, expecting 0x%02x, got 0x%02x\n",
372 : : ecc_data[i].ecc, eccgenerate(be64toh(ecc_data[i].data)));
373 : : }
374 : : }
375 : :
376 : : /* Test that the ecc code can detect and recover bitflips */
377 : 1 : printf("Testing bitflip recovery\n");
378 : 65 : for (i = 0; i < 64; i++) {
379 : 64 : ret_memcpy = memcpy_from_ecc(&dst, &ecc_data[i], sizeof(dst));
380 : 64 : if (dst != 0xffffffffffffffff || ret_memcpy) {
381 : 0 : ERR("ECC code didn't correct bad bit %d in 0x%016lx\n", 63 - i, be64toh(ecc_data[i].data));
382 : 0 : exit(1);
383 : : }
384 : :
385 : 64 : ret_verify = eccverify(be64toh(ecc_data[i].data), ecc_data[i].ecc);
386 : 64 : if (ret_verify != 63 - i) {
387 : 0 : ERR("ECC did not catch incorrect bit %d in row 0x%016lx 0x%02x, got 0x%02x\n",
388 : : i, ecc_data[i].data, ecc_data[i].ecc, ret_verify);
389 : 0 : exit(1);
390 : : }
391 : : }
392 : :
393 : 1 : buf = malloc(NUM_ECC_ROWS * sizeof(*buf));
394 : 1 : if (!buf) {
395 : 0 : ERR("malloc #1 failed during ecc test\n");
396 : 0 : exit(1);
397 : : }
398 : 1 : printf("pass\n");
399 : :
400 : : /* Test a large memcpy */
401 : 1 : printf("Testing a large(ish) memcpy_from_ecc()\n");
402 : 1 : ret_memcpy = memcpy_from_ecc(buf, ecc_data, NUM_ECC_ROWS * sizeof(*buf));
403 : 1 : if (ret_memcpy) {
404 : 0 : ERR("ECC Couldn't memcpy entire buffer\n");
405 : 0 : exit(1);
406 : : }
407 : :
408 : 321 : for (i = 0; i < NUM_ECC_ROWS; i++) {
409 : : /* Large memcpy should have fixed the bitflips */
410 : 320 : if (i < 64 && buf[i] != 0xffffffffffffffff) {
411 : 0 : ERR("memcpy_from_ecc got it wrong for uint64_t number %d, got 0x%016lx, expecting 0xffffffffffffffff\n",
412 : : i, buf[i]);
413 : 0 : exit(1);
414 : : }
415 : :
416 : : /* But not changed any of the correct data */
417 : 320 : if (i > 63 && buf[i] != ecc_data[i].data) {
418 : 0 : ERR("memcpy_from_ecc got it wrong for uint64_t number %d, git 0x%016lx, expecting 0x%016lx\n",
419 : : i, buf[i], ecc_data[i].data);
420 : 0 : exit(1);
421 : : }
422 : : }
423 : 1 : printf("pass\n");
424 : :
425 : : /* Test a memcpy to add ecc data */
426 : 1 : printf("Testing a large(ish) memcpy_to_ecc()\n");
427 : 1 : ret_buf = malloc(ecc_buffer_size(NUM_ECC_ROWS * sizeof(*buf)));
428 : 1 : if (!buf) {
429 : 0 : ERR("malloc #2 failed during ecc test\n");
430 : 0 : exit(1);
431 : : }
432 : :
433 : 1 : ret_memcpy = memcpy_to_ecc(ret_buf, buf, NUM_ECC_ROWS * sizeof(*buf));
434 : 1 : if (ret_memcpy) {
435 : 0 : ERR("ECC Couldn't memcpy entire buffer\n");
436 : 0 : exit(1);
437 : : }
438 : :
439 : 321 : for (i = 0; i < NUM_ECC_ROWS; i++) {
440 : : /* The data should be the same */
441 : 320 : if (ret_buf[i].data != buf[i]) {
442 : 0 : ERR("memcpy_to_ecc got it wrong on uint64_t %d, expecting 0x%016lx, got 0x%016lx\n",
443 : : i, buf[i], ret_buf[i].data);
444 : 0 : exit(1);
445 : : }
446 : :
447 : : /* Check the correctness of ecc bytes */
448 : 320 : if (ret_buf[i].ecc != ecc_data[i].ecc) {
449 : 0 : ERR("memcpy_to_ecc got it on the ecc for uint64_t %d, expecting 0x%02x, got 0x%02x\n",
450 : : i, ecc_data[i].ecc, ret_buf[i].ecc);
451 : 0 : exit(1);
452 : : }
453 : : }
454 : 1 : printf("ECC tests pass\n");
455 : :
456 : 1 : printf("ECC test error conditions\n");
457 : 1 : if (memcpy_to_ecc(ret_buf, buf, 7) == 0) {
458 : 0 : ERR("memcpy_to_ecc didn't detect bad size 7\n");
459 : 0 : exit(1);
460 : : }
461 : :
462 : 1 : if (memcpy_to_ecc(ret_buf, buf, 15) == 0) {
463 : 0 : ERR("memcpy_to_ecc didn't detect bad size 15\n");
464 : 0 : exit(1);
465 : : }
466 : 1 : if (memcpy_from_ecc(buf, ret_buf, 7) == 0) {
467 : 0 : ERR("memcpy_from_ecc didn't detect bad size 7\n");
468 : 0 : exit(1);
469 : : }
470 : 1 : if (memcpy_from_ecc(buf, ret_buf, 15) == 0) {
471 : 0 : ERR("memcpy_from_ecc didn't detect bad size 15\n");
472 : 0 : exit(1);
473 : : }
474 : 1 : printf("ECC error conditions pass\n");
475 : :
476 : 1 : free(buf);
477 : 1 : free(ret_buf);
478 : :
479 : : /* Check that unaligned address become aligned */
480 : 1 : if (ecc_buffer_align(0, 5) != 0) {
481 : 0 : ERR("ecc_buffer_align(0, 5) not 0 -> %ld\n", ecc_buffer_align(0, 5));
482 : 0 : exit(1);
483 : : }
484 : :
485 : 1 : if (ecc_buffer_align(0, 8) != 0) {
486 : 0 : ERR("ecc_buffer_align(0, 8) not 0 -> %ld\n", ecc_buffer_align(0, 8));
487 : 0 : exit(1);
488 : : }
489 : 1 : if (ecc_buffer_align(0, 9) != 9) {
490 : 0 : ERR("ecc_buffer_align(0, 9) not 9 -> %ld\n", ecc_buffer_align(0, 9));
491 : 0 : exit(1);
492 : : }
493 : 1 : if (ecc_buffer_align(0, 15) != 9) {
494 : 0 : ERR("ecc_buffer_align(0, 15) not 9 -> %ld\n", ecc_buffer_align(0, 15));
495 : 0 : exit(1);
496 : : }
497 : 1 : if (ecc_buffer_align(5, 10) != 5) {
498 : 0 : ERR("ecc_buffer_align(5, 10) not 5 -> %ld\n", ecc_buffer_align(5, 10));
499 : 0 : exit(1);
500 : : }
501 : 1 : if (ecc_buffer_align(5, 18) != 14) {
502 : 0 : ERR("ecc_buffer_align(5, 18) not 14 -> %ld\n", ecc_buffer_align(5, 18));
503 : 0 : exit(1);
504 : : }
505 : 1 : if (ecc_buffer_align(0, 50) != 45) {
506 : 0 : ERR("ecc_buffer_align(0, 50) not 45 -> %ld\n", ecc_buffer_align(0, 50));
507 : 0 : exit(1);
508 : : }
509 : 1 : return 0;
510 : : }
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