[dv/hmac] support new msg_len
Add check msg length before hash_trigger
Signed-off-by: Cindy Chen <chencindy@google.com>
diff --git a/hw/ip/hmac/dv/env/hmac_scoreboard.sv b/hw/ip/hmac/dv/env/hmac_scoreboard.sv
index c079ce9..af5cca4 100644
--- a/hw/ip/hmac/dv/env/hmac_scoreboard.sv
+++ b/hw/ip/hmac/dv/env/hmac_scoreboard.sv
@@ -65,6 +65,7 @@
end
end
foreach (msg[i]) msg_q.push_back(msg[i]);
+ update_wr_msg_length(msg_q.size());
end
end else begin
case (csr_name)
@@ -74,10 +75,10 @@
if (hmac_process) begin
// check if msg all streamed in, could happen during wr msg or trigger process
predict_digest(msg_q);
- update_wr_msg_length(msg_q.size());
msg_q.delete();
end else if (hmac_start) begin
msg_q.delete(); // make sure did not include previous msg
+ update_wr_msg_length(msg_q.size());
end
end else if (item.a_data[HashStart] == 1) begin
void'(ral.intr_state.hmac_err.predict(.value(1), .kind(UVM_PREDICT_DIRECT)));
diff --git a/hw/ip/hmac/dv/env/seq_lib/hmac_base_vseq.sv b/hw/ip/hmac/dv/env/seq_lib/hmac_base_vseq.sv
index 532ebeb..ac54d65 100644
--- a/hw/ip/hmac/dv/env/seq_lib/hmac_base_vseq.sv
+++ b/hw/ip/hmac/dv/env/seq_lib/hmac_base_vseq.sv
@@ -228,6 +228,7 @@
end
// ensure all msg fifo are written before trigger hmac_process
csr_utils_pkg::wait_no_outstanding_access();
+ if ($urandom_range(0, 1)) rd_msg_length();
endtask
// read fifo_depth reg and burst write a chunk of words
@@ -260,6 +261,7 @@
break;
end
csr_utils_pkg::wait_no_outstanding_access();
+ if ($urandom_range(0, 1)) rd_msg_length();
end
endtask
diff --git a/hw/ip/hmac/dv/env/seq_lib/hmac_sanity_vseq.sv b/hw/ip/hmac/dv/env/seq_lib/hmac_sanity_vseq.sv
index 5731b6e..e3ceda7 100644
--- a/hw/ip/hmac/dv/env/seq_lib/hmac_sanity_vseq.sv
+++ b/hw/ip/hmac/dv/env/seq_lib/hmac_sanity_vseq.sv
@@ -106,9 +106,10 @@
end
end
+
// if disable sha, digest should be cleared
// read msg fifo length
- rd_msg_length();
+ if ($urandom_range(0, 1)) rd_msg_length();
// read digest from DUT
rd_digest();
