C++ (Cpp) sim_timespec_diff Examples

Example #1

int32 todr_rd (void)
{
    TOY *toy = (TOY *)clk_unit.filebuf;
    struct timespec base, now, val;

    if ((fault_PC&0xFFFE0000) == 0x20040000) {              /* running from ROM? */
        sim_debug (DBG_REG, &clk_dev, "todr_rd(ROM) - TODR=0x%X\n", todr_reg);
        return todr_reg;                                    /* return counted value for ROM diags */
    }

    if (0 == todr_reg) {                                    /* clock running? */
        sim_debug (DBG_REG, &clk_dev, "todr_rd(Not Running) - TODR=0x%X\n", todr_reg);
        return todr_reg;
    }

    /* Maximum number of seconds which can be represented as 10ms ticks
       in the 32bit TODR.  This is the 33bit value 0x100000000/100 to get seconds */
#define TOY_MAX_SECS (0x40000000/25)

    sim_rtcn_get_time(&now, TMR_CLK);                       /* get curr time */
    base.tv_sec = toy->toy_gmtbase;
    base.tv_nsec = toy->toy_gmtbasemsec * 1000000;
    sim_timespec_diff (&val, &now, &base);

    if (val.tv_sec >= TOY_MAX_SECS) {                       /* todr overflowed? */
        sim_debug (DBG_REG, &clk_dev, "todr_rd(Overflowed) - TODR=0x%X\n", 0);
        return todr_reg = 0;                                /* stop counting */
    }

    sim_debug (DBG_REG, &clk_dev, "todr_rd() - TODR=0x%X\n", (int32)(val.tv_sec*100 + val.tv_nsec/10000000));
    return (int32)(val.tv_sec*100 + val.tv_nsec/10000000);  /* 100hz Clock Ticks */
}

Example #2

File: vax_stddev.c Project: BillHeaton/simh

int32 todr_rd (void)
{
TOY *toy = (TOY *)clk_unit.filebuf;
struct timespec base, now, val;

if ((fault_PC&0xFFFE0000) == 0x20040000)                /* running from ROM? */
    return todr_reg;                                    /* return counted value for ROM diags */

if (0 == todr_reg)                                      /* clock running? */
    return todr_reg;

/* Maximum number of seconds which can be represented as 10ms ticks 
   in the 32bit TODR.  This is the 33bit value 0x100000000/100 to get seconds */
#define TOY_MAX_SECS (0x40000000/25)

clock_gettime(CLOCK_REALTIME, &now);                    /* get curr time */
base.tv_sec = toy->toy_gmtbase;
base.tv_nsec = toy->toy_gmtbasemsec * 1000000;
sim_timespec_diff (&val, &now, &base);

if (val.tv_sec >= TOY_MAX_SECS)                         /* todr overflowed? */
    return todr_reg = 0;                                /* stop counting */

return (int32)(val.tv_sec*100 + val.tv_nsec/10000000);  /* 100hz Clock Ticks */
}

Example #3

File: vax780_stddev.c Project: zysyyz/simh

int32 todr_rd (void)
{
TOY *toy = (TOY *)clk_unit.filebuf;
struct timespec base, now, val;

clock_gettime(CLOCK_REALTIME, &now);                    /* get curr time */
base.tv_sec = toy->toy_gmtbase;
base.tv_nsec = toy->toy_gmtbasemsec * 1000000;
sim_timespec_diff (&val, &now, &base);
return (int32)(val.tv_sec*100 + val.tv_nsec/10000000);  /* 100hz Clock Ticks */
}

Example #4

File: vax780_stddev.c Project: markpizz/simh-tlhackque

int32 todr_rd (void)
{
TOY *toy = (TOY *)clk_unit.filebuf;
struct timespec base, now, val;

sim_rtcn_get_time(&now, TMR_CLK);                       /* get curr time */
base.tv_sec = toy->toy_gmtbase;
base.tv_nsec = toy->toy_gmtbasemsec * 1000000;
sim_timespec_diff (&val, &now, &base);
sim_debug (TMR_DB_TODR, &clk_dev, "todr_rd() - TODR=0x%X - %s\n", (int32)(val.tv_sec*100 + val.tv_nsec/10000000), todr_fmt_vms_todr ((int32)(val.tv_sec*100 + val.tv_nsec/10000000)));
return (int32)(val.tv_sec*100 + val.tv_nsec/10000000);  /* 100hz Clock Ticks */
}

Example #5

File: vax780_stddev.c Project: zysyyz/simh

void todr_wr (int32 data)
{
TOY *toy = (TOY *)clk_unit.filebuf;
struct timespec now, val, base;

/* Save the GMT time when set value was 0 to record the base for future 
   read operations in "battery backed-up" state */

if (-1 == clock_gettime(CLOCK_REALTIME, &now))          /* get curr time */
    return;                                             /* error? */
val.tv_sec = ((uint32)data) / 100;
val.tv_nsec = (((uint32)data) % 100) * 10000000;
sim_timespec_diff (&base, &now, &val);                  /* base = now - data */
toy->toy_gmtbase = (uint32)base.tv_sec;
toy->toy_gmtbasemsec = base.tv_nsec/1000000;
}

Example #6

void todr_wr (int32 data)
{
TOY *toy = (TOY *)clk_unit.filebuf;
struct timespec now, val, base;

/* Save the GMT time when set value was 0 to record the base for future 
   read operations in "battery backed-up" state */

sim_rtcn_get_time(&now, TMR_CLK);                       /* get curr time */
val.tv_sec = ((uint32)data) / 100;
val.tv_nsec = (((uint32)data) % 100) * 10000000;
sim_timespec_diff (&base, &now, &val);                  /* base = now - data */
toy->toy_gmtbase = (uint32)base.tv_sec;
toy->toy_gmtbasemsec = base.tv_nsec/1000000;
sim_debug (TMR_DB_TODR, &tmr_dev, "todr_wr(0x%X)\n", data);
}

Example #7

void todr_wr (int32 data)
{
    TOY *toy = (TOY *)clk_unit.filebuf;
    struct timespec now, val, base;

    if (data) {
        todr_blow = 0;
        /* Save the GMT time when set value is not 0 to record the base for
           future read operations in "battery backed-up" state */

        sim_rtcn_get_time(&now, TMR_CLK);                       /* get curr time */
        val.tv_sec = ((uint32)data) / 100;
        val.tv_nsec = (((uint32)data) % 100) * 10000000;
        sim_timespec_diff (&base, &now, &val);                  /* base = now - data */
        toy->toy_gmtbase = (uint32)base.tv_sec;
        toy->toy_gmtbasemsec = base.tv_nsec/1000000;
    }
    else {                                                      /* stop the clock */
        toy->toy_gmtbase = 0;
        toy->toy_gmtbasemsec = 0;
    }
    todr_reg = data;
    sim_debug (DBG_REG, &clk_dev, "todr_wr(0x%X) - TODR=0x%X blow=%d\n", data, todr_reg, todr_blow);
}