/* IBM_PROLOG_BEGIN_TAG                                                   */
/* This is an automatically generated prolog.                             */
/*                                                                        */
/* $Source: clib/test/ecc.c $                                             */
/*                                                                        */
/* OpenPOWER FFS Project                                                  */
/*                                                                        */
/* Contributors Listed Below - COPYRIGHT 2014,2015                        */
/* [+] International Business Machines Corp.                              */
/*                                                                        */
/*                                                                        */
/* Licensed under the Apache License, Version 2.0 (the "License");        */
/* you may not use this file except in compliance with the License.       */
/* You may obtain a copy of the License at                                */
/*                                                                        */
/*     http://www.apache.org/licenses/LICENSE-2.0                         */
/*                                                                        */
/* Unless required by applicable law or agreed to in writing, software    */
/* distributed under the License is distributed on an "AS IS" BASIS,      */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or        */
/* implied. See the License for the specific language governing           */
/* permissions and limitations under the License.                         */
/*                                                                        */
/* IBM_PROLOG_END_TAG                                                     */

#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;
}