diff options
| -rw-r--r-- | passes/tests/test_autotb.cc | 36 | ||||
| -rwxr-xr-x | tests/tools/autotest.sh | 7 |
2 files changed, 32 insertions, 11 deletions
diff --git a/passes/tests/test_autotb.cc b/passes/tests/test_autotb.cc index f121089b..844bcbc9 100644 --- a/passes/tests/test_autotb.cc +++ b/passes/tests/test_autotb.cc @@ -17,12 +17,12 @@ * */ -#include "kernel/register.h" -#include "kernel/log.h" +#include "kernel/yosys.h" #include <stdlib.h> #include <stdio.h> +#include <time.h> -#define NUM_ITER 1000 +PRIVATE_NAMESPACE_BEGIN static std::string id(std::string internal_id) { @@ -70,7 +70,7 @@ static std::string idy(std::string str1, std::string str2 = std::string(), std:: return id(str1); } -static void autotest(FILE *f, RTLIL::Design *design) +static void autotest(FILE *f, RTLIL::Design *design, int num_iter) { fprintf(f, "module testbench;\n\n"); @@ -79,7 +79,7 @@ static void autotest(FILE *f, RTLIL::Design *design) fprintf(f, "reg [31:0] xorshift128_x = 123456789;\n"); fprintf(f, "reg [31:0] xorshift128_y = 362436069;\n"); fprintf(f, "reg [31:0] xorshift128_z = 521288629;\n"); - fprintf(f, "reg [31:0] xorshift128_w = 88675123;\n"); + fprintf(f, "reg [31:0] xorshift128_w = %u; // <-- seed value\n", int(time(NULL))); fprintf(f, "reg [31:0] xorshift128_t;\n\n"); fprintf(f, "task xorshift128;\n"); fprintf(f, "begin\n"); @@ -279,7 +279,7 @@ static void autotest(FILE *f, RTLIL::Design *design) fprintf(f, "begin\n"); fprintf(f, "\t$display(\"#OUT#\\n#OUT# ==== %s ====\");\n", idy(mod->name).c_str()); fprintf(f, "\t%s;\n", idy(mod->name, "reset").c_str()); - fprintf(f, "\tfor (i=0; i<%d; i=i+1) begin\n", NUM_ITER); + fprintf(f, "\tfor (i=0; i<%d; i=i+1) begin\n", num_iter); fprintf(f, "\t\tif (i %% 20 == 0) %s;\n", idy(mod->name, "print_header").c_str()); fprintf(f, "\t\t#100; %s;\n", idy(mod->name, "update_data").c_str()); fprintf(f, "\t\t#100; %s;\n", idy(mod->name, "update_clock").c_str()); @@ -307,7 +307,7 @@ struct TestAutotbBackend : public Backend { { // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| log("\n"); - log(" test_autotb [filename]\n"); + log(" test_autotb [options] [filename]\n"); log("\n"); log("Automatically create primitive verilog test benches for all modules in the\n"); log("design. The generated testbenches toggle the input pins of the module in\n"); @@ -324,12 +324,30 @@ struct TestAutotbBackend : public Backend { log("value after initialization. This can e.g. be used to force a reset signal\n"); log("low in order to explore more inner states in a state machine.\n"); log("\n"); + log(" -n <int>\n"); + log(" number of iterations the test bench shuld run (default = 1000)\n"); + log("\n"); } virtual void execute(FILE *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) { + int num_iter = 1000; + log_header("Executing TEST_AUTOTB backend (auto-generate pseudo-random test benches).\n"); - extra_args(f, filename, args, 1); - autotest(f, design); + + int argidx; + for (argidx = 1; argidx < SIZE(args); argidx++) + { + if (args[argidx] == "-n" && argidx+1 < SIZE(args)) { + num_iter = atoi(args[++argidx].c_str()); + continue; + } + break; + } + + extra_args(f, filename, args, argidx); + autotest(f, design, num_iter); } } TestAutotbBackend; +PRIVATE_NAMESPACE_END + diff --git a/tests/tools/autotest.sh b/tests/tools/autotest.sh index 781dc167..2d97e46f 100755 --- a/tests/tools/autotest.sh +++ b/tests/tools/autotest.sh @@ -9,6 +9,7 @@ keeprunning=false makejmode=false frontend="verilog" backend_opts="-noattr -noexpr" +autotb_opts="" scriptfiles="" scriptopt="" toolsdir="$(cd $(dirname $0); pwd)" @@ -18,7 +19,7 @@ if [ ! -f $toolsdir/cmp_tbdata -o $toolsdir/cmp_tbdata.c -nt $toolsdir/cmp_tbdat ( set -ex; gcc -Wall -o $toolsdir/cmp_tbdata $toolsdir/cmp_tbdata.c; ) || exit 1 fi -while getopts xmGl:wkjvrf:s:p: opt; do +while getopts xmGl:wkjvrf:s:p:n: opt; do case "$opt" in x) use_xsim=true ;; @@ -45,6 +46,8 @@ while getopts xmGl:wkjvrf:s:p: opt; do scriptfiles="$scriptfiles $OPTARG" ;; p) scriptopt="$OPTARG" ;; + n) + autotb_opts="$autotb_opts -n $OPTARG" ;; *) echo "Usage: $0 [-x|-m] [-w] [-k] [-j] [-v] [-r] [-l libs] [-f frontend] [-s script] [-p cmdstring] verilog-files\n" >&2 exit 1 @@ -102,7 +105,7 @@ do cd ${bn}.out cp ../$fn $fn if [ ! -f ../${bn}_tb.v ]; then - "$toolsdir"/../../yosys -b test_autotb -o ${bn}_tb.v $fn + "$toolsdir"/../../yosys -b "test_autotb $autotb_opts" -o ${bn}_tb.v $fn else cp ../${bn}_tb.v ${bn}_tb.v fi |