From bd26f7f0adba2963f6d4a4657fe2795c696126c8 Mon Sep 17 00:00:00 2001
From: Wojciech Kosior <kwojtus@protonmail.com>
Date: Wed, 9 Sep 2020 22:25:27 +0200
Subject: enable byte-grained reads and writes through interface_wrapper

---
 tests/interface_wrapper/operations.memv      | 39 ++++++++++++++++++++++++++++
 tests/interface_wrapper/test.v               |  6 ++---
 tests/wrapped_stack_machine_cond_jump/test.v |  6 ++---
 3 files changed, 45 insertions(+), 6 deletions(-)

(limited to 'tests')

diff --git a/tests/interface_wrapper/operations.memv b/tests/interface_wrapper/operations.memv
index 2b581b5..97237f0 100644
--- a/tests/interface_wrapper/operations.memv
+++ b/tests/interface_wrapper/operations.memv
@@ -1,5 +1,7 @@
 `include "macroasm.vh" // look into macroasm.vh for more info
 
+//// First half of operations has (SEL_O == 4'b111 && ADR_O[0] == 0)
+
 // First - a sequence of reads and writes like in self_32bit_word test
 `WRITE(000000, deadbeef)
 `WAIT
@@ -49,3 +51,40 @@
 `WRITE(012302, 0fca0000)
 `WRITE(012306, 0000baca)
 `READ (012304, baca0fca)
+
+
+//// Second half with non-aligned accesses and weird SEL_O patterns starts here
+
+`WRITE (200013, afe8b317)
+`READ  (200013, afe8b317)
+
+`WRITES(140022, xxxxd0d3, 3) // Only select 2 bottom bytes
+`READS (140022, xxxxd0d3, 3)
+
+`WRITES(140022, xx48e2xx, 6) // Only select 2 middle bytes
+`READS (140022, xx48e2xx, 6)
+`READS (140022, xx48e2d3, f) // Select 3 bottom bytes
+
+`WRITES(140025, xxxxxx72, 1) // Single byte write at odd address
+`WRITES(140024, xxxx7248, 3)
+`READS (140023, xx7248e2, 7) // Non-aligned read
+
+`DESELECT
+
+// Some other complicated stuff
+`WRITES(2013e4, 1182bbxx, a)
+`WAIT
+`WRITES(2013e6, xx10xxa2, 5)
+`WAIT
+`WAIT
+`WAIT
+`READS (2013e5, 1011a2bb, f)
+`READS (2013e7, 23232323, 0)
+
+`DESELECT
+`WAIT
+`WRITES(987135, 8dxxxx1e, 9)
+`WRITES(987137, xxxxxx3f, 1)
+`WRITES(987135, fedcba98, 0) // Should not do anything
+`WRITES(987133, 44xxxxxx, 8)
+`READS (987135, 8d3f441e, f)
diff --git a/tests/interface_wrapper/test.v b/tests/interface_wrapper/test.v
index 4031f35..d69970a 100644
--- a/tests/interface_wrapper/test.v
+++ b/tests/interface_wrapper/test.v
@@ -145,7 +145,7 @@ interface_wrapper wrapper
       CLK <= 0;
       RST <= 1;
 
-      for (i = 0; i < 600; i++) begin
+      for (i = 0; i < 2000; i++) begin
 	 #1;
 
 	 CLK <= ~CLK;
@@ -155,9 +155,9 @@ interface_wrapper wrapper
 
 	 if (M_finished)
 	   $finish;
-      end
+      end // for (i = 0; i < 2000; i++)
 
-      $display("error: master hasn't finished its operations in 300 ticks");
+      $display("error: master hasn't finished its operations in 1000 ticks");
       $finish;
    end
 endmodule // interface_wrapper_test
diff --git a/tests/wrapped_stack_machine_cond_jump/test.v b/tests/wrapped_stack_machine_cond_jump/test.v
index 7845045..ae50d4d 100644
--- a/tests/wrapped_stack_machine_cond_jump/test.v
+++ b/tests/wrapped_stack_machine_cond_jump/test.v
@@ -161,7 +161,7 @@ module wrapped_stack_machine_test();
       CLK <= 0;
       RST <= 1;
 
-      for (i = 0; i < 3500; i++) begin
+      for (i = 0; i < 5000; i++) begin
 	 #1;
 
 	 CLK <= ~CLK;
@@ -185,9 +185,9 @@ module wrapped_stack_machine_test();
 
 	    $finish;
 	 end // if (M_finished)
-      end // for (i = 0; i < 3500; i++)
+      end // for (i = 0; i < 5000; i++)
 
-      $display("error: cpu hasn't finished its operations in 1750 ticks");
+      $display("error: cpu hasn't finished its operations in 2500 ticks");
       $finish;
    end // initial begin
 endmodule // wrapped_stack_machine_test
-- 
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