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Merge 068dd77a14 into 5aa9bfbf7d

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Emil J 2025-05-08 19:06:00 +02:00 • committed by GitHub
commit 3e1fbe3a42
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14 changed files with 72 additions and 103 deletions
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10
kernel/log.cc
View file

@ -400,6 +400,16 @@ void log_file_error(const string &filename, int lineno,
logv_file_error(filename, lineno, format, ap);
}
std::string fmt(const char *format, ...)
{
std::string s;
va_list ap;
va_start(ap, format);
s = vstringf(format, ap);
va_end(ap);
return s;
}
void log(const char *format, ...)
{
va_list ap;

1
kernel/log.h
View file

@ -126,6 +126,7 @@ void logv_warning_noprefix(const char *format, va_list ap);
[[noreturn]] void logv_error(const char *format, va_list ap);
[[noreturn]] void logv_file_error(const string &filename, int lineno, const char *format, va_list ap);
std::string fmt(const char *format, ...) YS_ATTRIBUTE(format(printf, 1, 2));
void log(const char *format, ...) YS_ATTRIBUTE(format(printf, 1, 2));
void log_header(RTLIL::Design *design, const char *format, ...) YS_ATTRIBUTE(format(printf, 2, 3));
void log_warning(const char *format, ...) YS_ATTRIBUTE(format(printf, 1, 2));

65
passes/cmds/check.cc
View file

@ -27,6 +27,11 @@ USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
struct CheckPass : public Pass {
enum Mode {
Permissive,
Smart,
Assert,
};
CheckPass() : Pass("check", "check for obvious problems in the design") { }
void help() override
{
@ -59,6 +64,10 @@ struct CheckPass : public Pass {
log(" -assert\n");
log(" produce a runtime error if any problems are found in the current design\n");
log("\n");
log(" -permissive\n");
log(" treat even severe problems as just warnings.\n");
log(" Used to be the default behavior\n");
log("\n");
log(" -force-detailed-loop-check\n");
log(" for the detection of combinatorial loops, use a detailed connectivity\n");
log(" model for all internal cells for which it is available. This disables\n");
@ -68,14 +77,27 @@ struct CheckPass : public Pass {
}
void execute(std::vector<std::string> args, RTLIL::Design *design) override
{
// Number of all problems (warnings and errors)
int counter = 0;
bool noinit = false;
bool initdrv = false;
bool mapped = false;
bool allow_tbuf = false;
bool assert_mode = false;
bool force_detailed_loop_check = false;
bool suggest_detail = false;
Mode mode = Mode::Smart;
if (design->scratchpad_get_bool("check.permissive"))
mode = Mode::Permissive;
// log_error always terminates and it's a huge hassle to refactor
std::vector<std::string> errors;
std::function<void(std::string)> bad = [&errors, &counter](std::string message) {
counter++;
errors.push_back(message);
};
std::function<void(std::string)> warn = [&counter](std::string message) {
counter++;
log_warning("%s", message.c_str());
};
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++) {
@ -95,8 +117,12 @@ struct CheckPass : public Pass {
allow_tbuf = true;
continue;
}
if (args[argidx] == "-permissive") {
mode = Mode::Permissive;
continue;
}
if (args[argidx] == "-assert") {
assert_mode = true;
mode = Mode::Assert;
continue;
}
if (args[argidx] == "-force-detailed-loop-check") {
@ -109,6 +135,11 @@ struct CheckPass : public Pass {
log_header(design, "Executing CHECK pass (checking for obvious problems).\n");
if (mode == Mode::Permissive)
bad = warn;
if (mode == Mode::Assert)
warn = bad;
for (auto module : design->selected_whole_modules_warn())
{
log("Checking module %s...\n", log_id(module));
@ -246,8 +277,7 @@ struct CheckPass : public Pass {
{
if (mapped && cell->type.begins_with("$") && design->module(cell->type) == nullptr) {
if (allow_tbuf && cell->type == ID($_TBUF_)) goto cell_allowed;
log_warning("Cell %s.%s is an unmapped internal cell of type %s.\n", log_id(module), log_id(cell), log_id(cell->type));
counter++;
warn(fmt("Cell %s.%s is an unmapped internal cell of type %s.\n", log_id(module), log_id(cell), log_id(cell->type)));
cell_allowed:;
}
@ -299,8 +329,7 @@ struct CheckPass : public Pass {
if (initval[i] == State::S0 || initval[i] == State::S1)
init_bits.insert(sigmap(SigBit(wire, i)));
if (noinit) {
log_warning("Wire %s.%s has an unprocessed 'init' attribute.\n", log_id(module), log_id(wire));
counter++;
warn(fmt("Wire %s.%s has an unprocessed 'init' attribute.\n", log_id(module), log_id(wire)));
}
}
}
@ -310,8 +339,7 @@ struct CheckPass : public Pass {
string message = stringf("Drivers conflicting with a constant %s driver:\n", log_signal(state));
for (auto str : wire_drivers[state])
message += stringf(" %s\n", str.c_str());
log_warning("%s", message.c_str());
counter++;
bad(message);
}
for (auto it : wire_drivers)
@ -319,14 +347,12 @@ struct CheckPass : public Pass {
string message = stringf("multiple conflicting drivers for %s.%s:\n", log_id(module), log_signal(it.first));
for (auto str : it.second)
message += stringf(" %s\n", str.c_str());
log_warning("%s", message.c_str());
counter++;
bad(message);
}
for (auto bit : used_wires)
if (!wire_drivers.count(bit)) {
log_warning("Wire %s.%s is used but has no driver.\n", log_id(module), log_signal(bit));
counter++;
warn(fmt("Wire %s.%s is used but has no driver.\n", log_id(module), log_signal(bit)));
}
topo.sort();
@ -405,8 +431,7 @@ struct CheckPass : public Pass {
prev = bit;
}
log_warning("%s", message.c_str());
counter++;
bad(message.c_str());
}
if (initdrv)
@ -424,8 +449,7 @@ struct CheckPass : public Pass {
init_sig.sort_and_unify();
for (auto chunk : init_sig.chunks()) {
log_warning("Wire %s.%s has 'init' attribute and is not driven by an FF cell.\n", log_id(module), log_signal(chunk));
counter++;
warn(fmt("Wire %s.%s has 'init' attribute and is not driven by an FF cell.\n", log_id(module), log_signal(chunk)));
}
}
}
@ -435,8 +459,13 @@ struct CheckPass : public Pass {
if (suggest_detail)
log("Consider re-running with '-force-detailed-loop-check' to rule out false positives.\n");
if (assert_mode && counter > 0)
log_error("Found %d problems in 'check -assert'.\n", counter);
if (errors.size()) {
std::string err_message;
for (auto error : errors)
err_message += error + "\n";
err_message += fmt("Found %zu severe problems in 'check'.\n", errors.size());
log_error("%s", err_message.c_str());
}
}
} CheckPass;

2
passes/cmds/logger.cc
View file

@ -153,8 +153,6 @@ struct LoggerPass : public Pass {
std::string type = args[++argidx];
if (type!="error" && type!="warning" && type!="log")
log_cmd_error("Expect command require type to be 'log', 'warning' or 'error' !\n");
if (type=="error" && log_expect_error.size()>0)
log_cmd_error("Only single error message can be expected !\n");
std::string pattern = args[++argidx];
if (pattern.front() == '\"' && pattern.back() == '\"') pattern = pattern.substr(1, pattern.size() - 2);
int count = atoi(args[++argidx].c_str());

29
tests/asicworld/code_hdl_models_d_ff_gates.v
View file

@ -1,29 +0,0 @@
module d_ff_gates(d,clk,q,q_bar);
input d,clk;
output q, q_bar;
wire n1,n2,n3,q_bar_n;
wire cn,dn,n4,n5,n6;
// First Latch
not (n1,d);
nand (n2,d,clk);
nand (n3,n1,clk);
nand (dn,q_bar_n,n2);
nand (q_bar_n,dn,n3);
// Second Latch
not (cn,clk);
not (n4,dn);
nand (n5,dn,cn);
nand (n6,n4,cn);
nand (q,q_bar,n5);
nand (q_bar,q,n6);
endmodule

15
tests/asicworld/code_hdl_models_d_latch_gates.v
View file

@ -1,15 +0,0 @@
module d_latch_gates(d,clk,q,q_bar);
input d,clk;
output q, q_bar;
wire n1,n2,n3;
not (n1,d);
nand (n2,d,clk);
nand (n3,n1,clk);
nand (q,q_bar,n2);
nand (q_bar,q,n3);
endmodule

25
tests/hana/test_intermout.v
View file

@ -182,31 +182,6 @@ assign w2 = w1;
assign out = w2;
endmodule
// test_intermout_bufrm_7_test.v
module f15_test(in1, in2, out);
input in1, in2;
output out;
// Y with cluster of f15_mybuf instances at the junction
wire w1, w2, w3, w4, w5, w6, w7, w8, w9, w10;
assign w1 = in1;
assign w2 = w1;
assign w5 = in2;
assign w6 = w5;
assign w10 = w9;
assign out = w10;
f15_mybuf _f15_mybuf0(w2, w3);
f15_mybuf _f15_mybuf1(w3, w4);
f15_mybuf _f15_mybuf2(w6, w7);
f15_mybuf _f15_mybuf3(w7, w4);
f15_mybuf _f15_mybuf4(w4, w8);
f15_mybuf _f15_mybuf5(w8, w9);
endmodule
module f15_mybuf(in, out);
input in;
output out;

2
tests/memories/wide_all.v
View file

@ -14,7 +14,7 @@ module test(
reg [7:0] mem[3:254];
assign rd[7:0] = mem[{ra, 1'b0}];
assign rd[15:0] = mem[{ra, 1'b1}];
assign rd[15:8] = mem[{ra, 1'b1}];
initial begin
mem[5] = 8'h12;

4
tests/simple_abc9/abc9.v
View file

@ -47,6 +47,7 @@ module abc9_test008_sub(input a, output b);
assign b = ~a;
endmodule
scratchpad -set check.permissive true
module abc9_test009(inout io, input oe);
reg latch;
always @(io or oe)
@ -80,7 +81,7 @@ assign io = oe ? ~latch : 8'bz;
endmodule
module abc9_test013(inout [3:0] io, input oe);
reg [3:0] latch;
reg [7:0] latch;
always @(io or oe)
if (!oe)
latch[3:0] <= io[3:0];
@ -104,6 +105,7 @@ always @(io or oe)
assign io[3:0] = oe ? ~latch[3:0] : 4'bz;
assign io[7:4] = !oe ? {latch[4], latch[7:3]} : 4'bz;
endmodule
scratchpad -set check.permissive false
module abc9_test015(input a, output b, input c);
assign b = ~a;

4
tests/various/check_2.ys
View file

@ -11,7 +11,5 @@ module top(input clk, input a, input b, output [9:0] x);
endmodule
EOF
hierarchy -top top
logger -expect error "found logic loop in module top:" 1
prep
logger -expect warning "found logic loop in module top:" 1
logger -expect error "Found 1 problems in 'check -assert'" 1
check -assert

5
tests/various/check_3.ys
View file

@ -14,7 +14,6 @@ module pingpong(input wire [1:0] x, output wire [3:0] y1, output wire [3:0] y2);
endmodule
EOF
hierarchy -top pingpong
logger -expect error "found logic loop in module pingpong:" 1
logger -expect error "Found [0-9]+ severe problems in 'check'" 1
prep
logger -nowarn "found logic loop in module pingpong:"
logger -expect error "Found [0-9]+ problems in 'check -assert'" 1
check -assert

2
tests/various/check_4.ys
View file

@ -25,5 +25,5 @@ opt -keepdc
memory_dff
opt_clean
logger -nowarn "found logic loop in module pingpong:"
logger -expect error "Found [0-9]+ problems in 'check -assert'" 1
logger -expect error "Found [0-9]+ severe problems in 'check'" 1
check -assert

6
tests/various/constant_drive_conflict.ys
View file

@ -8,7 +8,7 @@ EOT
hierarchy -top top; proc
logger -expect warning "Drivers conflicting with a constant" 1
logger -expect error "Drivers conflicting with a constant" 1
logger -expect log "Found and reported 1 problems." 1
check
logger -check-expected
@ -26,7 +26,7 @@ EOT
hierarchy -top top; proc
logger -expect warning "Drivers conflicting with a constant" 1
logger -expect error "Drivers conflicting with a constant" 1
logger -expect log "Found and reported 1 problems." 1
check
logger -check-expected
@ -45,7 +45,7 @@ EOT
hierarchy -top top
logger -expect warning "Drivers conflicting with a constant" 1
logger -expect error "Drivers conflicting with a constant" 1
logger -expect log "Found and reported 1 problems." 1
check
logger -check-expected

1
tests/various/dynamic_part_select.ys
View file

@ -142,6 +142,7 @@ design -copy-from gate -as gate gate
miter -equiv -make_assert -make_outcmp -flatten gold gate equiv
sat -prove-asserts -show-public -verify -set-init-zero equiv
scratchpad -set check.permissive true
###
## Part select with obvious latch, expected to fail due comparison with old shift&mask AST transformation
design -reset