Subversion Repositories mips_enhanced

#include "testmod.h"

#ifdef LEON2

#include "leon2.h"

#endif

struct divcase {

        int     num;

        int     denom;

        int     res;

};

volatile struct divcase diva[] = {

        {  2,  3, 0}, { 3, -2, -1}, {  2, -3, 0}, {  0,  1, 0}, {  0, -1, 0}, {  1, -1, -1},

        { -1,  1, -1}, { -2,  3, 0}, { -2, -3, 0}, {9, 7, 1},

        { -9, 2, -4}, {-8, 2, -4}, {-8, -4, 2}, {8, -4, -2}, {-8, -8 , 1},

        {-8, -9, 0}, {11, 2, 5}, {47, 2, 23},

        { 12345,  679, 12345/679}, { -63636,  77, -63636/77},

        { 12345,  -679, -12345/679}, { -63636,  -77, 63636/77},

        { 145,  -6079, 0}, { -636,  -77777, 0}, { 63226,  7227777, 0},

        {  0,  0, 0}

 };

struct udivcase {

        unsigned int    num;

        unsigned int    denom;

        unsigned int    res;

};

volatile struct udivcase udiva[] = {

        {  2,  3, 0}, {  0,  1, 0}, { 0xfffffffe,  3, 0xfffffffe/3},

        { 0xfffffffe,  3, 0xfffffffe/3}, { 0x700ffffe,  7, 0x700ffffe/7},

        {  0,  0, 0}

 };

divtest()

{

#ifdef LEON2

        struct l2regs *lr = (struct l2regs *) 0x80000000;

#endif

        int i = 0;

        /* skip test if divider disabled */

#ifdef LEON2

        if (!((lr->leonconf >> DIV_CONF_BIT) & 1)) return(0);

#else

        if (!((get_asr17() >> 8) & 1)) return(0);

#endif

        report_subtest(DIV_TEST+(get_pid()<<4));

        while (diva[i].denom != 0) {

            if ((diva[i].num / diva[i].denom) != diva[i].res) fail(1);

            i++;

        }

        i = 0;

        while (udiva[i].denom != 0) {

            if ((udiva[i].num / udiva[i].denom) != udiva[i].res) fail(2);

            i++;

        }

        return(0);

}