mirror of
https://github.com/steveicarus/iverilog.git
synced 2026-08-29 01:03:29 +02:00
Stephen Williams
cea237b407
By adding ivtest to the iverilog source tree, it is easier to keep the regression test synchronized with the source that is being tested. This should be especially helpful for PRs that add a new feature, and have a matching ivtest PR with the regression test for that feature.
97 lines
2.0 KiB
C
97 lines
2.0 KiB
C
# include <vpi_user.h>
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# include <stdlib.h>
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# include <assert.h>
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struct poke_details {
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vpiHandle dst;
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int val;
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};
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static PLI_INT32 delayed_poke(p_cb_data cb_data)
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{
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s_vpi_value value;
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struct poke_details*poke = (struct poke_details*)cb_data->user_data;
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value.format = vpiIntVal;
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value.value.integer = poke->val;
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vpi_put_value(poke->dst, &value, 0, vpiNoDelay);
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free(poke);
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return 0;
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}
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static PLI_INT32 poke_compiletf(char*xx)
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{
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(void)xx; /* Parameter is not used. */
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return 0;
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}
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static PLI_INT32 poke_calltf(char*xx)
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{
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s_vpi_value value;
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s_vpi_time poke_time;
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s_cb_data cb_data;
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vpiHandle sys = vpi_handle(vpiSysTfCall, 0);
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vpiHandle argv = vpi_iterate(vpiArgument, sys);
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vpiHandle dst, val, del, tmp;
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struct poke_details*poke;
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(void)xx; /* Parameter is not used. */
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assert(argv);
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dst = vpi_scan(argv);
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assert(dst);
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val = vpi_scan(argv);
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assert(val);
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del = vpi_scan(argv);
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assert(del);
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tmp = vpi_scan(argv);
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assert(tmp == 0);
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poke = calloc(1, sizeof (struct poke_details));
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assert(poke);
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poke->dst = dst;
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value.format = vpiIntVal;
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vpi_get_value(val, &value);
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poke->val = value.value.integer;
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value.format = vpiIntVal;
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vpi_get_value(del, &value);
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poke_time.low = value.value.integer;
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poke_time.high = 0;
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poke_time.type = vpiSimTime;
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cb_data.reason = cbAtStartOfSimTime;
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cb_data.cb_rtn = delayed_poke;
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cb_data.user_data = (char*)poke;
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cb_data.time = &poke_time;
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vpi_register_cb(&cb_data);
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return 0;
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}
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static void poke_after_delay_register(void)
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{
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s_vpi_systf_data tf_data;
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tf_data.type = vpiSysTask;
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tf_data.tfname = "$poke_at_simtime";
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tf_data.calltf = poke_calltf;
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tf_data.compiletf = poke_compiletf;
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tf_data.sizetf = 0;
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vpi_register_systf(&tf_data);
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}
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void (*vlog_startup_routines[])(void) = {
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poke_after_delay_register,
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0
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};
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