mirror of https://github.com/YosysHQ/yosys.git
84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
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/*
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* yosys -- Yosys Open SYnthesis Suite
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*
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* Copyright (C) 2020 whitequark <whitequark@whitequark.org>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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// This file is a part of the CXXRTL C API. It should be used together with `cxxrtl_vcd_capi.h`.
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#include <backends/cxxrtl/cxxrtl_vcd.h>
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#include <backends/cxxrtl/cxxrtl_vcd_capi.h>
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extern const cxxrtl::debug_items &cxxrtl_debug_items_from_handle(cxxrtl_handle handle);
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struct _cxxrtl_vcd {
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cxxrtl::vcd_writer writer;
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bool flush = false;
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};
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cxxrtl_vcd cxxrtl_vcd_create() {
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return new _cxxrtl_vcd;
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}
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void cxxrtl_vcd_destroy(cxxrtl_vcd vcd) {
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delete vcd;
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}
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void cxxrtl_vcd_timescale(cxxrtl_vcd vcd, int number, const char *unit) {
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vcd->writer.timescale(number, unit);
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}
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void cxxrtl_vcd_add(cxxrtl_vcd vcd, const char *name, cxxrtl_object *object) {
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// Note the copy. We don't know whether `object` came from a design (in which case it is
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// an instance of `debug_item`), or from user code (in which case it is an instance of
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// `cxxrtl_object`), so casting the pointer wouldn't be safe.
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vcd->writer.add(name, debug_item(*object));
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}
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void cxxrtl_vcd_add_from(cxxrtl_vcd vcd, cxxrtl_handle handle) {
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vcd->writer.add(cxxrtl_debug_items_from_handle(handle));
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}
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void cxxrtl_vcd_add_from_if(cxxrtl_vcd vcd, cxxrtl_handle handle, void *data,
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int (*filter)(void *data, const char *name,
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const cxxrtl_object *object)) {
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vcd->writer.add(cxxrtl_debug_items_from_handle(handle),
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[=](const std::string &name, const debug_item &item) {
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return filter(data, name.c_str(), static_cast<const cxxrtl_object*>(&item));
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});
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}
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void cxxrtl_vcd_add_from_without_memories(cxxrtl_vcd vcd, cxxrtl_handle handle) {
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vcd->writer.add_without_memories(cxxrtl_debug_items_from_handle(handle));
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}
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void cxxrtl_vcd_sample(cxxrtl_vcd vcd, uint64_t time) {
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if (vcd->flush) {
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vcd->writer.buffer.clear();
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vcd->flush = false;
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}
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vcd->writer.sample(time);
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}
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void cxxrtl_vcd_read(cxxrtl_vcd vcd, const char **data, size_t *size) {
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if (vcd->flush) {
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vcd->writer.buffer.clear();
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vcd->flush = false;
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}
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*data = vcd->writer.buffer.c_str();
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*size = vcd->writer.buffer.size();
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vcd->flush = true;
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}
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