[ci] Add capture test to the CI

This commit adds the first FPGA test to the CI.
The test captures and publishes 1000 traces using
aes-fvsr-key-batch command.

ci/azure-pipelines.yml

@@ -1,13 +1,30 @@
-trigger:
+pr:
   branches:
     include:
     - "*"
 
 jobs:
-- job: hello_world
-  displayName: Hello world
-  pool:
-    vmImage: ubuntu-latest
+- job: sca_capture
+  displayName: "Capture SCA traces"
+  timeoutInMinutes: 30
+  pool: FPGA SCA
   steps:
+  - checkout: self
   - bash: |
-      echo Hello, world!
+      python3 -m pip install --user -r python-requirements.txt
+    displayName: "Install python dependencies"
+  - bash: |
+      apt update
+      apt install git-lfs
+    displayName: "Install system dependencies"
+  - bash: |
+      git-lfs pull
+    displayName: "Pull LFS binaries"
+  - bash: |
+      pushd ci
+      ./ci_capture_aes_fvsr.sh
+      popd
+    displayName: "Capture traces"
+  - publish: ./ci/ci_projects/opentitan_simple_aes_data/
+    artifact: traces
+    displayName: "Upload traces"

ci/ci_capture_aes_cw310.yaml

@@ -0,0 +1,30 @@
+device:
+  fpga_bitstream: ../cw/objs/lowrisc_systems_chip_earlgrey_cw310_0.1.bit
+  force_program_bitstream: True
+  fw_bin: ../cw/objs/aes_serial_fpga_cw310.bin
+  pll_frequency: 100000000
+  baudrate: 115200
+capture:
+  # Only AES-128 ECB is supported at this moment.
+  key_len_bytes: 16
+  plain_text_len_bytes: 16
+  output_len_bytes: 16
+  # Samples per trace - We oversample by 20x and AES w/ DOM is doing
+  # ~56/72 cycles per encryption (AES-128/256).
+  num_samples: 1200
+  # Offest in samples - The AES idle signal becomes visible 1 target clock
+  # cycle later (20 samples) and there are 2 synchronization stages at 100 MHz
+  # at the top level (4 samples).
+  offset: -40
+  # 32-bit seed for SW key masking. Key masks are generated using an LFSR.
+  # To switch off the masking, 0 must be used as LFSR seed.
+  lfsr_seed: 0xdeadbeef
+  batch_prng_seed: 0
+  scope_gain: 31.5
+  num_traces: 1000
+  project_name: ci_projects/opentitan_simple_aes
+  waverunner_ip: 192.168.1.228
+plot_capture:
+  show: False
+  num_traces: 100
+  trace_image_filename: null

ci/ci_capture_aes_fvsr.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+# Copyright lowRISC contributors.
+# Licensed under the Apache License, Version 2.0, see LICENSE for details.
+# SPDX-License-Identifier: Apache-2.0
+
+# Simple script to test AES fvsr-key capture
+../cw/capture.py --cfg-file ci_capture_aes_cw310.yaml capture aes-fvsr-key-batch
+if [ -d "./ci_projects/opentitan_simple_aes_data" ];
+then
+    echo "Directory ./ci_projects/opentitan_simple_aes_data exists"
+else
+    echo "Error: Directory ./ci_projects/opentitan_simple_aes_data does not exists."
+    exit 1
+fi