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yosys/tests/fmt/always_full_tb.cc

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tests: test cxxrtl against iverilog (and uncover bug!)
2023-06-27 20:51:18 -05:00
#include "yosys-always_full.cc"
int main()
{
cxxrtl: refactor the formatter and use a closure. This commit achieves three roughly equally important goals: 1. To bring the rendering code in kernel/fmt.cc and in cxxrtl.h as close together as possible, with an ideal of only having the bigint library as the difference between the render functions. 2. To make the treatment of `$time` and `$realtime` in CXXRTL closer to the Verilog semantics, at least in the formatting code. 3. To change the code generator so that all of the `$print`-to-`string` conversion code is contained inside of a closure. There are two reasons to aim for goal (3): a. Because output redirection through definition of a global ostream object is neither convenient nor useful for environments where the output is consumed by other code rather than being printed on a terminal. b. Because it may be desirable to, in some cases, ignore the `$print` cells that are present in the netlist based on a runtime decision. This is doubly true for an upcoming `$check` cell implementing assertions, since failing a `$check` would by default cause a crash.
2024-01-16 03:08:07 -06:00
struct : public performer {
fmt: rename TIME to VLOG_TIME. The behavior of these format specifiers is highly specific to Verilog (`$time` and `$realtime` are only defined relative to `$timescale`) and may not fit other languages well, if at all. If they choose to use it, it is now clear what they are opting into. This commit also simplifies the CXXRTL code generation for these format specifiers.
2024-01-19 07:33:14 -06:00
int64_t vlog_time() const override { return 1; }
cxxrtl: always lazily format print messages. This is mostly useful for collecting coverage for the future `$check` cell, where, depending on the flavor, formatting a message may not be wanted even for a failed assertion.
2024-01-19 09:54:33 -06:00
void on_print(const lazy_fmt &output, const cxxrtl::metadata_map &) override { std::cerr << output(); }
cxxrtl: refactor the formatter and use a closure. This commit achieves three roughly equally important goals: 1. To bring the rendering code in kernel/fmt.cc and in cxxrtl.h as close together as possible, with an ideal of only having the bigint library as the difference between the render functions. 2. To make the treatment of `$time` and `$realtime` in CXXRTL closer to the Verilog semantics, at least in the formatting code. 3. To change the code generator so that all of the `$print`-to-`string` conversion code is contained inside of a closure. There are two reasons to aim for goal (3): a. Because output redirection through definition of a global ostream object is neither convenient nor useful for environments where the output is consumed by other code rather than being printed on a terminal. b. Because it may be desirable to, in some cases, ignore the `$print` cells that are present in the netlist based on a runtime decision. This is doubly true for an upcoming `$check` cell implementing assertions, since failing a `$check` would by default cause a crash.
2024-01-16 03:08:07 -06:00
} performer;
tests: test cxxrtl against iverilog (and uncover bug!)
2023-06-27 20:51:18 -05:00
cxxrtl_design::p_always__full uut;
verilog_backend: emit sync `$print` cells with same triggers together Sort by PRIORITY, ensuring output order.
2023-06-27 20:51:32 -05:00
uut.p_clk.set(!uut.p_clk);
cxxrtl: refactor the formatter and use a closure. This commit achieves three roughly equally important goals: 1. To bring the rendering code in kernel/fmt.cc and in cxxrtl.h as close together as possible, with an ideal of only having the bigint library as the difference between the render functions. 2. To make the treatment of `$time` and `$realtime` in CXXRTL closer to the Verilog semantics, at least in the formatting code. 3. To change the code generator so that all of the `$print`-to-`string` conversion code is contained inside of a closure. There are two reasons to aim for goal (3): a. Because output redirection through definition of a global ostream object is neither convenient nor useful for environments where the output is consumed by other code rather than being printed on a terminal. b. Because it may be desirable to, in some cases, ignore the `$print` cells that are present in the netlist based on a runtime decision. This is doubly true for an upcoming `$check` cell implementing assertions, since failing a `$check` would by default cause a crash.
2024-01-16 03:08:07 -06:00
uut.step(&performer);
verilog_backend: emit sync `$print` cells with same triggers together Sort by PRIORITY, ensuring output order.
2023-06-27 20:51:32 -05:00
return 0;
tests: test cxxrtl against iverilog (and uncover bug!)
2023-06-27 20:51:18 -05:00
}