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-rw-r--r--techlibs/ice40/tests/test_bram.sh9
1 files changed, 2 insertions, 7 deletions
diff --git a/techlibs/ice40/tests/test_bram.sh b/techlibs/ice40/tests/test_bram.sh
index 73d889ce..d4d641a9 100644
--- a/techlibs/ice40/tests/test_bram.sh
+++ b/techlibs/ice40/tests/test_bram.sh
@@ -5,13 +5,8 @@ set -ex
for abits in 7 8 9 10 11 12; do
for dbits in 2 4 8 16 24 32; do
id="test_bram_${abits}_${dbits}"
- if [ $((RANDOM % 2)) -eq 0 ]; then
- iadr=0
- idat=0
- else
- iadr=$((RANDOM % (1 << abits)))
- idat=$((RANDOM % (1 << dbits)))
- fi
+ iadr=$((RANDOM % (1 << abits)))
+ idat=$((RANDOM % ((1 << dbits) - 1) + 1))
sed -re "s/(ABITS = )0/\1$abits/g; s/(DBITS = )0/\1$dbits/g; s/(INIT_ADDR = )0/\1$iadr/g; s/(INIT_DATA = )0/\1$idat/g;" < test_bram.v > ${id}.v
sed -re "s/(ABITS = )0/\1$abits/g; s/(DBITS = )0/\1$dbits/g; s/(INIT_ADDR = )0/\1$iadr/g; s/(INIT_DATA = )0/\1$idat/g;" < test_bram_tb.v > ${id}_tb.v
../../../yosys -ql ${id}_syn.log -p "synth_ice40" -o ${id}_syn.v ${id}.v