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Moved presentation_prog

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Krystine Sherwin 2023-08-03 09:20:29 +12:00
parent 045c04096e
commit cd6e63e1a9
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11 changed files with 257 additions and 621 deletions
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docs/resources/PRESENTATION_Prog/my_cmd.cc Normal file
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#include "kernel/yosys.h"
#include "kernel/sigtools.h"
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
struct MyPass : public Pass {
MyPass() : Pass("my_cmd", "just a simple test") { }
void execute(std::vector<std::string> args, RTLIL::Design *design) override
{
log("Arguments to my_cmd:\n");
for (auto &arg : args)
log(" %s\n", arg.c_str());
log("Modules in current design:\n");
for (auto mod : design->modules())
log(" %s (%zd wires, %zd cells)\n", log_id(mod),
GetSize(mod->wires()), GetSize(mod->cells()));
}
} MyPass;
struct Test1Pass : public Pass {
Test1Pass() : Pass("test1", "creating the absval module") { }
void execute(std::vector<std::string>, RTLIL::Design *design) override
{
if (design->has("\\absval") != 0)
log_error("A module with the name absval already exists!\n");
RTLIL::Module *module = design->addModule("\\absval");
log("Name of this module: %s\n", log_id(module));
RTLIL::Wire *a = module->addWire("\\a", 4);
a->port_input = true;
a->port_id = 1;
RTLIL::Wire *y = module->addWire("\\y", 4);
y->port_output = true;
y->port_id = 2;
RTLIL::Wire *a_inv = module->addWire(NEW_ID, 4);
module->addNeg(NEW_ID, a, a_inv, true);
module->addMux(NEW_ID, a, a_inv, RTLIL::SigSpec(a, 3), y);
module->fixup_ports();
}
} Test1Pass;
struct Test2Pass : public Pass {
Test2Pass() : Pass("test2", "demonstrating sigmap on test module") { }
void execute(std::vector<std::string>, RTLIL::Design *design) override
{
if (design->selection_stack.back().empty())
log_cmd_error("This command can't operator on an empty selection!\n");
RTLIL::Module *module = design->modules_.at("\\test");
RTLIL::SigSpec a(module->wire("\\a")), x(module->wire("\\x")), y(module->wire("\\y"));
log("%d %d %d\n", a == x, x == y, y == a); // will print "0 0 0"
SigMap sigmap(module);
log("%d %d %d\n", sigmap(a) == sigmap(x), sigmap(x) == sigmap(y),
sigmap(y) == sigmap(a)); // will print "1 1 1"
log("Mapped signal x: %s\n", log_signal(sigmap(x)));
log_header(design, "Doing important stuff!\n");
log_push();
for (int i = 0; i < 10; i++)
log("Log message #%d.\n", i);
log_pop();
}
} Test2Pass;
PRIVATE_NAMESPACE_END