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/*
* Copyright (c) International Business Machines Corp., 2014
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <clib/assert.h>
#include <clib/type.h>
#include <clib/misc.h>
#include <clib/ecc.h>
int test_sfc_ecc()
{
uint64_t in[] = { 0x3131313131313131, 0x3232323232323232,
0x3333333333333333, 0x3434343434343434,
0x3535353535353535, 0x3636363636363636,
0x3737373737373737, 0x3838383838383838,
0x3132333435363738, 0x3938373635343332,
};
printf("Function: test_sfc_ecc\n");
printf("IN [\n");
for (uint i=0; i<sizeof(in); i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)in)[i]);
}
printf("]\n");
uint8_t out_ecc[sizeof in + sizeof in / 8];
int rc = sfc_ecc_inject(out_ecc, sizeof out_ecc, in, sizeof in);
printf("sz_in(%d) sz_out(%d) rc(%d)\n", sizeof in, sizeof out_ecc, rc);
printf("OUT_ECC [\n");
for (int i=0; i<rc; i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)out_ecc)[i]);
}
printf("]\n");
uint8_t keep_out_ecc[sizeof in + sizeof in / 8];
memcpy(keep_out_ecc, out_ecc, sizeof keep_out_ecc);
printf("sz_in(%d) sz_keep_out(%d) sz_out(%d)\n", sizeof in, sizeof keep_out_ecc, sizeof out_ecc);
printf("KEEP_OUT_ECC [\n");
for (int i=0; i<rc; i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)out_ecc)[i]);
}
printf("]\n");
uint8_t out_no_ecc[sizeof in];
int myrc = sfc_ecc_remove(out_no_ecc, sizeof out_no_ecc,
out_ecc, sizeof out_ecc);
printf("ECC_STATUS:%d \n",myrc);
printf("OUT_NO_ECC [\n");
for (uint i=0; i<sizeof(out_no_ecc); i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)out_no_ecc)[i]);
}
printf("]\n");
for (uint x=0; x<sizeof(out_ecc);x++)
{
for (int c=0; c<8; c++)
{
out_ecc[x] ^= 1<<c;
printf("OUT_CORRUPTED_ECC[%d,%d] [\n",x,c);
for (int i=0; i<rc; i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)out_ecc)[i]);
}
printf("]\n");
myrc = sfc_ecc_remove(out_no_ecc, sizeof out_no_ecc,
out_ecc, sizeof out_ecc);
printf("ECC_STATUS:%d \n",myrc);
printf("OUT_NO_ECC [\n");
for (uint i=0; i<sizeof(out_no_ecc); i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)out_no_ecc)[i]);
}
printf("]\n");
printf("IN_OUT_ECC [\n");
for (uint i=0; i<sizeof(out_ecc); i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)out_ecc)[i]);
}
printf("]\n\n");
if (myrc == 0)
{
printf("For SFC Uncorrectable event\n");
memcpy(out_ecc, keep_out_ecc, sizeof out_ecc);
//return 1;
}
}
}
return 0;
}
int test_p8_ecc()
{
uint64_t in[] = { 0x3131313131313131, 0x3333333333333333,};
printf("Function: test_p8_ecc\n");
printf("IN [\n");
for (uint i=0; i<sizeof(in); i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)in)[i]);
}
printf("]\n");
uint8_t out_ecc[sizeof in + sizeof in / 8];
int rc = p8_ecc_inject(out_ecc, sizeof out_ecc, in, sizeof in);
printf("sz_in(%d) sz_out(%d) rc(%d)\n", sizeof in, sizeof out_ecc, rc);
printf("OUT_ECC [\n");
for (int i=0; i<rc; i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)out_ecc)[i]);
}
printf("]\n");
uint8_t out_no_ecc[sizeof in];
ecc_status_t myrc = p8_ecc_remove(out_no_ecc, sizeof out_no_ecc,
out_ecc, sizeof out_ecc);
printf("ECC_STATUS:%d \n",myrc);
printf("OUT_NO_ECC [\n");
for (uint i=0; i<sizeof(out_no_ecc); i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)out_no_ecc)[i]);
}
printf("]\n");
for (uint x=0; x<sizeof(out_ecc);x++)
{
for (int c=0; c<8; c++)
{
out_ecc[x] ^= 1<<c;
printf("OUT_CORRUPTED_ECC[%d,%d] [\n",x,c);
for (int i=0; i<rc; i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)out_ecc)[i]);
}
printf("]\n");
myrc = p8_ecc_remove(out_no_ecc, sizeof out_no_ecc,
out_ecc, sizeof out_ecc);
printf("ECC_STATUS:%d \n",myrc);
printf("OUT_NO_ECC [\n");
for (uint i=0; i<sizeof(out_no_ecc); i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)out_no_ecc)[i]);
}
printf("]\n");
printf("IN_OUT_ECC [\n");
for (uint i=0; i<sizeof(out_ecc); i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)out_ecc)[i]);
}
printf("]\n\n");
if (myrc == UNCORRECTABLE)
{
printf("Uncorrectable event\n");
return 1;
}
}
}
return 0;
}
int main (void) {
uint64_t in[] = { 0x3131313131313131, 0x3232323232323232,
0x3333333333333333, 0x3434343434343434, };
printf("IN [\n");
for (uint i=0; i<sizeof(in); i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)in)[i]);
}
printf("]\n");
uint8_t out[sizeof in + sizeof in / 8];
int rc = sfc_ecc_inject(out, sizeof out, in, sizeof in);
printf("sz_in(%d) sz_out(%d) rc(%d)\n", sizeof in, sizeof out, rc);
printf("OUT [\n");
for (int i=0; i<rc; i++) {
if (i && i % 8 == 0) printf(" ");
printf("%2.2x", ((uint8_t *)out)[i]);
}
printf("]\n\n");
sfc_ecc_dump(stdout, 0, out, rc);
test_sfc_ecc();
test_p8_ecc();
return 0;
}
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