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6 Commits
0f2ba8dddf ... de487a24b2

Author SHA1 Message Date
Catherine de487a24b2
Merge 9cd4b4e72d into 29e8812bab 2024-11-25 15:54:12 +01:00
Miodrag Milanović 29e8812bab
Merge pull request #4724 from YosysHQ/micko/blackbox_verific 
verific: fix blackbox regression and add test case
 2024-11-25 15:06:54 +01:00
Miodrag Milanović 9512ec4bbc
Merge pull request #4764 from YosysHQ/micko/verific_vhdl_assert 
verific : VHDL assert DFF initial value set on Verific library patch
 2024-11-25 15:06:36 +01:00
Miodrag Milanovic d6bd521487 verific : VHDL assert DFF initial value set on Verific library patch side 2024-11-21 13:43:26 +01:00
Miodrag Milanovic df391f5816 verific: fix blackbox regression and add test case 2024-11-08 14:57:04 +01:00
Catherine 9cd4b4e72d kernel: call `hierarchy` for abstract modules automatically. 
Whenever there are abstract modules in the netlist and the pass does not
declare that it supports them, call `hierarchy -auto-top` or `hierarchy`
(depending on whether there is a module marked `top`) to instantiate
them first. This makes several CLI workflows much more usable, including
one as basic as:

    $ yosys file.v -o file.il
 2023-12-22 04:22:21 +00:00
15 changed files with 65 additions and 24 deletions
Show Stats Expand all files Collapse all files

7
frontends/verific/verific.cc
View File

@ -2126,12 +2126,6 @@ void VerificImporter::import_netlist(RTLIL::Design *design, Netlist *nl, std::ma
log(" assert condition %s.\n", log_signal(cond)); log(" assert condition %s.\n", log_signal(cond));
Cell *cell = module->addAssert(new_verific_id(inst), cond, State::S1); Cell *cell = module->addAssert(new_verific_id(inst), cond, State::S1);
// Initialize FF feeding condition to 1, in case it is not
// used by rest of design logic, to prevent failing on
// initial uninitialized state
if (cond.is_wire() && !cond.wire->name.isPublic())
cond.wire->attributes[ID::init] = Const(1,1);
import_attributes(cell->attributes, inst); import_attributes(cell->attributes, inst);
continue; continue;
} }
@ -3428,6 +3422,7 @@ struct VerificPass : public Pass {
RuntimeFlags::SetVar("veri_preserve_assignments", 1); RuntimeFlags::SetVar("veri_preserve_assignments", 1);
RuntimeFlags::SetVar("veri_preserve_comments", 1); RuntimeFlags::SetVar("veri_preserve_comments", 1);
RuntimeFlags::SetVar("veri_preserve_drivers", 1); RuntimeFlags::SetVar("veri_preserve_drivers", 1);
RuntimeFlags::SetVar("veri_create_empty_box", 1);
// Workaround for VIPER #13851 // Workaround for VIPER #13851
RuntimeFlags::SetVar("veri_create_name_for_unnamed_gen_block", 1); RuntimeFlags::SetVar("veri_create_name_for_unnamed_gen_block", 1);

17
kernel/register.cc
View File

@ -151,6 +151,22 @@ Pass::~Pass()
Pass::pre_post_exec_state_t Pass::pre_execute() Pass::pre_post_exec_state_t Pass::pre_execute()
{ {
if (!abstract_modules_ok) {
bool has_top = false;
bool has_abstract = false;
for (auto mod : yosys_design->modules()) {
if (mod->get_bool_attribute(ID::top))
has_top = true;
if (mod->name.begins_with("$abstract"))
has_abstract = true;
}
if (has_abstract) {
std::string command = has_top ? "hierarchy" : "hierarchy -auto-top";
log_warning("Pass `%s` does not accept abstract modules; running `%s` first!\n", pass_name.c_str(), command.c_str());
run_pass(command);
}
}
pre_post_exec_state_t state; pre_post_exec_state_t state;
call_counter++; call_counter++;
state.begin_ns = PerformanceTimer::query(); state.begin_ns = PerformanceTimer::query();
@ -443,6 +459,7 @@ Frontend::Frontend(std::string name, std::string short_help) :
Pass(name.rfind("=", 0) == 0 ? name.substr(1) : "read_" + name, short_help), Pass(name.rfind("=", 0) == 0 ? name.substr(1) : "read_" + name, short_help),
frontend_name(name.rfind("=", 0) == 0 ? name.substr(1) : name) frontend_name(name.rfind("=", 0) == 0 ? name.substr(1) : name)
{ {
abstract_modules_ok = true;
} }
void Frontend::run_register() void Frontend::run_register()

7
kernel/register.h
View File

@ -38,6 +38,7 @@ struct Pass
int call_counter; int call_counter;
int64_t runtime_ns; int64_t runtime_ns;
bool experimental_flag = false; bool experimental_flag = false;
bool abstract_modules_ok = false;
void experimental() { void experimental() {
experimental_flag = true; experimental_flag = true;
@ -80,7 +81,11 @@ struct ScriptPass : Pass
RTLIL::Design *active_design; RTLIL::Design *active_design;
std::string active_run_from, active_run_to; std::string active_run_from, active_run_to;
ScriptPass(std::string name, std::string short_help = "** document me **") : Pass(name, short_help) { } ScriptPass(std::string name, std::string short_help = "** document me **") : Pass(name, short_help) {
// Either the script pass will include an explicit `hierarchy` invocation or one of the passes called inside will
// trigger the check for abstract modules.
abstract_modules_ok = true;
}
virtual void script() = 0; virtual void script() = 0;

2
passes/cmds/blackbox.cc
View File

@ -23,7 +23,7 @@ USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN PRIVATE_NAMESPACE_BEGIN
struct BlackboxPass : public Pass { struct BlackboxPass : public Pass {
BlackboxPass() : Pass("blackbox", "convert modules into blackbox modules") { } BlackboxPass() : Pass("blackbox", "convert modules into blackbox modules") { abstract_modules_ok = true; }
void help() override void help() override
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|

2
passes/cmds/design.cc
View File

@ -27,7 +27,7 @@ std::map<std::string, RTLIL::Design*> saved_designs;
std::vector<RTLIL::Design*> pushed_designs; std::vector<RTLIL::Design*> pushed_designs;
struct DesignPass : public Pass { struct DesignPass : public Pass {
DesignPass() : Pass("design", "save, restore and reset current design") { } DesignPass() : Pass("design", "save, restore and reset current design") { abstract_modules_ok = true; }
~DesignPass() override { ~DesignPass() override {
for (auto &it : saved_designs) for (auto &it : saved_designs)
delete it.second; delete it.second;

2
passes/cmds/exec.cc
View File

@ -37,7 +37,7 @@ USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN PRIVATE_NAMESPACE_BEGIN
struct ExecPass : public Pass { struct ExecPass : public Pass {
ExecPass() : Pass("exec", "execute commands in the operating system shell") { } ExecPass() : Pass("exec", "execute commands in the operating system shell") { abstract_modules_ok = true; }
void help() override void help() override
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|

2
passes/cmds/logcmd.cc
View File

@ -26,7 +26,7 @@ USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN PRIVATE_NAMESPACE_BEGIN
struct LogPass : public Pass { struct LogPass : public Pass {
LogPass() : Pass("log", "print text and log files") { } LogPass() : Pass("log", "print text and log files") { abstract_modules_ok = true; }
void help() override void help() override
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|

10
passes/cmds/logger.cc
View File

@ -24,7 +24,7 @@ USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN PRIVATE_NAMESPACE_BEGIN
struct LoggerPass : public Pass { struct LoggerPass : public Pass {
LoggerPass() : Pass("logger", "set logger properties") { } LoggerPass() : Pass("logger", "set logger properties") { abstract_modules_ok = true; }
void help() override void help() override
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
@ -99,7 +99,7 @@ struct LoggerPass : public Pass {
} }
if (args[argidx] == "-warn" && argidx+1 < args.size()) { if (args[argidx] == "-warn" && argidx+1 < args.size()) {
std::string pattern = args[++argidx]; std::string pattern = args[++argidx];
if (pattern.front() == '\"' && pattern.back() == '\"') pattern = pattern.substr(1, pattern.size() - 2); if (pattern.front() == '\"' && pattern.back() == '\"') pattern = pattern.substr(1, pattern.size() - 2);
try { try {
log("Added regex '%s' for warnings to warn list.\n", pattern.c_str()); log("Added regex '%s' for warnings to warn list.\n", pattern.c_str());
log_warn_regexes.push_back(YS_REGEX_COMPILE(pattern)); log_warn_regexes.push_back(YS_REGEX_COMPILE(pattern));
@ -111,7 +111,7 @@ struct LoggerPass : public Pass {
} }
if (args[argidx] == "-nowarn" && argidx+1 < args.size()) { if (args[argidx] == "-nowarn" && argidx+1 < args.size()) {
std::string pattern = args[++argidx]; std::string pattern = args[++argidx];
if (pattern.front() == '\"' && pattern.back() == '\"') pattern = pattern.substr(1, pattern.size() - 2); if (pattern.front() == '\"' && pattern.back() == '\"') pattern = pattern.substr(1, pattern.size() - 2);
try { try {
log("Added regex '%s' for warnings to nowarn list.\n", pattern.c_str()); log("Added regex '%s' for warnings to nowarn list.\n", pattern.c_str());
log_nowarn_regexes.push_back(YS_REGEX_COMPILE(pattern)); log_nowarn_regexes.push_back(YS_REGEX_COMPILE(pattern));
@ -123,7 +123,7 @@ struct LoggerPass : public Pass {
} }
if (args[argidx] == "-werror" && argidx+1 < args.size()) { if (args[argidx] == "-werror" && argidx+1 < args.size()) {
std::string pattern = args[++argidx]; std::string pattern = args[++argidx];
if (pattern.front() == '\"' && pattern.back() == '\"') pattern = pattern.substr(1, pattern.size() - 2); if (pattern.front() == '\"' && pattern.back() == '\"') pattern = pattern.substr(1, pattern.size() - 2);
try { try {
log("Added regex '%s' for warnings to werror list.\n", pattern.c_str()); log("Added regex '%s' for warnings to werror list.\n", pattern.c_str());
log_werror_regexes.push_back(YS_REGEX_COMPILE(pattern)); log_werror_regexes.push_back(YS_REGEX_COMPILE(pattern));
@ -156,7 +156,7 @@ struct LoggerPass : public Pass {
if (type=="error" && log_expect_error.size()>0) if (type=="error" && log_expect_error.size()>0)
log_cmd_error("Only single error message can be expected !\n"); log_cmd_error("Only single error message can be expected !\n");
std::string pattern = args[++argidx]; std::string pattern = args[++argidx];
if (pattern.front() == '\"' && pattern.back() == '\"') pattern = pattern.substr(1, pattern.size() - 2); if (pattern.front() == '\"' && pattern.back() == '\"') pattern = pattern.substr(1, pattern.size() - 2);
int count = atoi(args[++argidx].c_str()); int count = atoi(args[++argidx].c_str());
if (count<=0) if (count<=0)
log_cmd_error("Number of expected messages must be higher then 0 !\n"); log_cmd_error("Number of expected messages must be higher then 0 !\n");

2
passes/cmds/plugin.cc
View File

@ -121,7 +121,7 @@ void load_plugin(std::string, std::vector<std::string>)
#endif #endif
struct PluginPass : public Pass { struct PluginPass : public Pass {
PluginPass() : Pass("plugin", "load and list loaded plugins") { } PluginPass() : Pass("plugin", "load and list loaded plugins") { abstract_modules_ok = true; }
void help() override void help() override
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|

2
passes/cmds/scratchpad.cc
View File

@ -26,7 +26,7 @@ USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN PRIVATE_NAMESPACE_BEGIN
struct ScratchpadPass : public Pass { struct ScratchpadPass : public Pass {
ScratchpadPass() : Pass("scratchpad", "get/set values in the scratchpad") { } ScratchpadPass() : Pass("scratchpad", "get/set values in the scratchpad") { abstract_modules_ok = true; }
void help() override void help() override
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|

6
passes/cmds/setattr.cc
View File

@ -127,7 +127,7 @@ struct SetattrPass : public Pass {
} SetattrPass; } SetattrPass;
struct WbflipPass : public Pass { struct WbflipPass : public Pass {
WbflipPass() : Pass("wbflip", "flip the whitebox attribute") { } WbflipPass() : Pass("wbflip", "flip the whitebox attribute") { abstract_modules_ok = true; }
void help() override void help() override
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
@ -166,7 +166,7 @@ struct WbflipPass : public Pass {
} WbflipPass; } WbflipPass;
struct SetparamPass : public Pass { struct SetparamPass : public Pass {
SetparamPass() : Pass("setparam", "set/unset parameters on objects") { } SetparamPass() : Pass("setparam", "set/unset parameters on objects") { abstract_modules_ok = true; }
void help() override void help() override
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
@ -218,7 +218,7 @@ struct SetparamPass : public Pass {
} SetparamPass; } SetparamPass;
struct ChparamPass : public Pass { struct ChparamPass : public Pass {
ChparamPass() : Pass("chparam", "re-evaluate modules with new parameters") { } ChparamPass() : Pass("chparam", "re-evaluate modules with new parameters") { abstract_modules_ok = true; }
void help() override void help() override
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|

2
passes/cmds/tee.cc
View File

@ -26,7 +26,7 @@ USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN PRIVATE_NAMESPACE_BEGIN
struct TeePass : public Pass { struct TeePass : public Pass {
TeePass() : Pass("tee", "redirect command output to file") { } TeePass() : Pass("tee", "redirect command output to file") { abstract_modules_ok = true; }
void help() override void help() override
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|

2
passes/cmds/trace.cc
View File

@ -59,7 +59,7 @@ struct TraceMonitor : public RTLIL::Monitor
}; };
struct TracePass : public Pass { struct TracePass : public Pass {
TracePass() : Pass("trace", "redirect command output to file") { } TracePass() : Pass("trace", "redirect command output to file") { abstract_modules_ok = true; }
void help() override void help() override
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|

2
passes/hierarchy/hierarchy.cc
View File

@ -727,7 +727,7 @@ RTLIL::Wire *find_implicit_port_wire(Module *module, Cell *cell, const std::stri
} }
struct HierarchyPass : public Pass { struct HierarchyPass : public Pass {
HierarchyPass() : Pass("hierarchy", "check, expand and clean up design hierarchy") { } HierarchyPass() : Pass("hierarchy", "check, expand and clean up design hierarchy") { abstract_modules_ok = true; }
void help() override void help() override
{ {
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|

24
tests/verific/blackbox.ys Normal file
View File

@ -0,0 +1,24 @@
verific -sv -lib <<EOF
module TEST_CELL(input clk, input a, input b, output reg c);
parameter PATH = "DEFAULT";
always @(posedge clk) begin
if (PATH=="DEFAULT")
c <= a;
else
c <= b;
end
endmodule
EOF
verific -sv <<EOF
module top(input clk, input a, input b, output c, output d);
TEST_CELL #(.PATH("TEST")) test1(.clk(clk),.a(a),.b(1'b1),.c(c));
TEST_CELL #(.PATH("DEFAULT")) test2(.clk(clk),.a(a),.b(1'bx),.c(d));
endmodule
EOF
verific -import top
hierarchy -top top
stat
select -assert-count 2 t:TEST_CELL