Contents

/*
  Copyright 2006 Suraj N. Kurapati
  See the file named LICENSE for details.
*/

#include "util.h"
#include "verilog.h"
#include "host.h"
#include "user.h"

///
/// Registers a very basic VPI callback with reason and handler.
///
static void RubyVPI_main_register_callback(PLI_INT32 aReason, PLI_INT32 (*aHandler)(p_cb_data))
{
    s_cb_data call;

    call.reason    = aReason;
    call.cb_rtn    = aHandler;
    call.obj       = 0;
    call.time      = 0;
    call.value     = 0;
    call.user_data = 0;

    vpi_free_object(vpi_register_cb(&call));
}

static void RubyVPI_main_init()
{
    RubyVPI_util_debug("Main: at vlog startup");

    // commence Ruby execution at the start of the simulation
    RubyVPI_util_debug("Main: registering BEGIN simulation callback");
    RubyVPI_main_register_callback(cbStartOfSimulation, RubyVPI_host_init);

    // clean up this C extension at the end of the simulation
    RubyVPI_util_debug("Main: registering END simulation callback");
    RubyVPI_main_register_callback(cbEndOfSimulation, RubyVPI_host_fini);
}

///
/// Verilog simulator's bootstrap vector.  The simulator
/// will invoke the functions in this array when it loads
/// the shared-object file compiled from this C extension.
///
void (*vlog_startup_routines[])() = { RubyVPI_main_init, 0 };

#if defined(PRAGMATIC_CVER) || defined(SYNOPSYS_VCS) || defined(CADENCE_NCSIM)
    ///
    /// Invokes each routine specified in the vlog_startup_routines array.
    ///
    void vlog_startup_routines_bootstrap()
    {
        unsigned int i;
        for (i = 0; vlog_startup_routines[i]; i++)
        {
            vlog_startup_routines[i]();
        }
    }
#endif

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
ruby-vpi-21.1.0	ext/main.c
ruby-vpi-21.0.0	ext/main.c