From 65c288daaa6d2a800710b93d90cdd3b6555c7ee2 Mon Sep 17 00:00:00 2001
From: Tim Fischer <fischeti@iis.ee.ethz.ch>
Date: Thu, 21 Nov 2024 11:14:07 +0100
Subject: [PATCH] test: Add `IdealSlave` for benchmarking

---
 hw/test/floo_axi_rand_slave.sv | 21 +++++++++++++++++++--
 hw/test/floo_dma_test_node.sv  |  5 +++--
 hw/test/floo_test_pkg.sv       |  1 +
 3 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/hw/test/floo_axi_rand_slave.sv b/hw/test/floo_axi_rand_slave.sv
index bee2d0fb..37fcaf0b 100644
--- a/hw/test/floo_axi_rand_slave.sv
+++ b/hw/test/floo_axi_rand_slave.sv
@@ -131,8 +131,15 @@ module floo_axi_rand_slave #(
     .UW ( AxiCfg.UserWidth  ),
     // Stimuli application and test time
     .TA ( ApplTime          ),
-    .TT ( TestTime          )
-  ) axi_rand_slave_t;
+    .TT ( TestTime          ),
+    // Responsiveness
+    .AX_MIN_WAIT_CYCLES   (0),
+    .AX_MAX_WAIT_CYCLES   (0),
+    .R_MIN_WAIT_CYCLES    (0),
+    .R_MAX_WAIT_CYCLES    (0),
+    .RESP_MIN_WAIT_CYCLES (0),
+    .RESP_MAX_WAIT_CYCLES (0)
+  ) axi_rand_ideal_slave_t;
 
   typedef axi_test::axi_rand_slave #(
     // AXI interface parameters
@@ -173,6 +180,7 @@ module floo_axi_rand_slave #(
   // axi slave
   axi_rand_slow_slave_t axi_rand_slow_slave[NumSlaves];
   axi_rand_fast_slave_t axi_rand_fast_slave[NumSlaves];
+  axi_rand_ideal_slave_t axi_rand_ideal_slave[NumSlaves];
 
   if (SlaveType == floo_test_pkg::SlowSlave) begin : gen_slow_slaves
     for (genvar i = 0; i < NumSlaves; i++) begin : gen_slow_slaves
@@ -192,6 +200,15 @@ module floo_axi_rand_slave #(
         axi_rand_fast_slave[i].run();
       end
     end
+  end else if (SlaveType == floo_test_pkg::IdealSlave) begin : gen_fast_slaves
+    for (genvar i = 0; i < NumSlaves; i++) begin : gen_fast_slaves
+      initial begin
+        axi_rand_ideal_slave[i] = new( slave_dv[i] );
+        axi_rand_ideal_slave[i].reset();
+        @(posedge rst_ni)
+        axi_rand_ideal_slave[i].run();
+      end
+    end
   end else if (SlaveType == floo_test_pkg::MixedSlave) begin : gen_mixed_slaves
     for (genvar i = 0; i < NumSlaves; i++) begin : gen_mixed_slaves
       if (i % 2 == 0) begin : gen_slow_slaves
diff --git a/hw/test/floo_dma_test_node.sv b/hw/test/floo_dma_test_node.sv
index e253aa5c..11425b78 100644
--- a/hw/test/floo_dma_test_node.sv
+++ b/hw/test/floo_dma_test_node.sv
@@ -15,6 +15,7 @@ module floo_dma_test_node  #(
   parameter time         TT                   = 9ns,
   parameter int unsigned BufferDepth          = 16,
   parameter int unsigned NumAxInFlight        = 16,
+  parameter floo_test_pkg::slave_type_e SlaveType = floo_test_pkg::FastSlave,
   parameter floo_pkg::axi_cfg_t AxiCfg = '{default:0},
   parameter type axi_req_t                    = logic,
   parameter type axi_rsp_t                    = logic,
@@ -250,7 +251,7 @@ module floo_dma_test_node  #(
     .AxiCfg       ( AxiCfg                    ),
     .ApplTime     ( TA                        ),
     .TestTime     ( TT                        ),
-    .SlaveType    ( floo_test_pkg::FastSlave  ),
+    .SlaveType    ( SlaveType                 ),
     .NumSlaves    ( 1                         ),
     .axi_req_t    ( axi_xbar_req_t            ),
     .axi_rsp_t    ( axi_xbar_resp_t           )
@@ -267,7 +268,7 @@ module floo_dma_test_node  #(
     .AxiCfg       ( floo_pkg::axi_cfg_swap_iw(AxiCfg) ),
     .ApplTime     ( TA                                ),
     .TestTime     ( TT                                ),
-    .SlaveType    ( floo_test_pkg::FastSlave          ),
+    .SlaveType    ( SlaveType                         ),
     .NumSlaves    ( 1                                 ),
     .axi_req_t    ( axi_in_req_t                      ),
     .axi_rsp_t    ( axi_in_rsp_t                      )
diff --git a/hw/test/floo_test_pkg.sv b/hw/test/floo_test_pkg.sv
index 1e480cfc..1cc38fa3 100644
--- a/hw/test/floo_test_pkg.sv
+++ b/hw/test/floo_test_pkg.sv
@@ -9,6 +9,7 @@
 package floo_test_pkg;
 
   typedef enum {
+    IdealSlave,
     FastSlave,
     SlowSlave,
     MixedSlave