113 lines
3.5 KiB
C
113 lines
3.5 KiB
C
/*
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* Copyright (c) 1999-2021 Stephen Williams (steve@icarus.com)
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* Copyright (c) 2000 Stephan Boettcher <stephan@nevis.columbia.edu>
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include "sys_priv.h"
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# include <assert.h>
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# include <string.h>
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static PLI_INT32 sys_deposit_compiletf(ICARUS_VPI_CONST PLI_BYTE8 *name)
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{
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vpiHandle callh = vpi_handle(vpiSysTfCall, 0);
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vpiHandle argv = vpi_iterate(vpiArgument, callh);
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vpiHandle target, value;
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/* Check that there are arguments. */
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if (argv == 0) {
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vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
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(int)vpi_get(vpiLineNo, callh));
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vpi_printf("%s requires two arguments.\n", name);
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vpip_set_return_value(1);
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vpi_control(vpiFinish, 1);
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return 0;
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}
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/* Check that there are at least two arguments. */
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target = vpi_scan(argv); /* This should never be zero. */
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value = vpi_scan(argv);
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if (value == 0) {
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vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
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(int)vpi_get(vpiLineNo, callh));
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vpi_printf("%s requires two arguments.\n", name);
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vpip_set_return_value(1);
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vpi_control(vpiFinish, 1);
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return 0;
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}
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assert(target);
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/* Check the targets type. It must be a net or a register. */
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switch (vpi_get(vpiType, target)) {
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case vpiNet:
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case vpiReg:
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break;
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default:
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vpi_printf("ERROR: %s:%d: ", vpi_get_str(vpiFile, callh),
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(int)vpi_get(vpiLineNo, callh));
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vpi_printf("invalid target type (%s) for %s.\n",
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vpi_get_str(vpiType, target), name);
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vpip_set_return_value(1);
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vpi_control(vpiFinish, 1);
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}
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/* Check that there is at most two arguments. */
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check_for_extra_args(argv, callh, name, "two arguments", 0);
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return 0;
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}
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static PLI_INT32 sys_deposit_calltf(ICARUS_VPI_CONST PLI_BYTE8 *name)
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{
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vpiHandle callh, argv, target, value;
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s_vpi_value val;
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(void)name; /* Parameter is not used. */
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callh = vpi_handle(vpiSysTfCall, 0);
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argv = vpi_iterate(vpiArgument, callh);
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target = vpi_scan(argv);
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assert(target);
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value = vpi_scan(argv);
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assert(value);
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val.format = vpiIntVal;
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vpi_get_value(value, &val);
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vpi_put_value(target, &val, 0, vpiNoDelay);
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vpi_free_object(argv);
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return 0;
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}
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void sys_deposit_register(void)
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{
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s_vpi_systf_data tf_data;
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vpiHandle res;
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tf_data.type = vpiSysTask;
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tf_data.tfname = "$deposit";
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tf_data.calltf = sys_deposit_calltf;
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tf_data.compiletf = sys_deposit_compiletf;
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tf_data.sizetf = 0;
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tf_data.user_data = "$deposit";
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res = vpi_register_systf(&tf_data);
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vpip_make_systf_system_defined(res);
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}
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