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Remove excessive secondary counter saturation clamping logic. Counters will now be allowed to be set to values beyond their saturation point if loaded through non-increment/decrement mechanism. #114

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This commit is contained in:
Alex Mykyta
2024-12-19 21:41:20 -08:00
parent a15178c719
commit e788e7cafd
2 changed files with 17 additions and 25 deletions
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34
tests/test_counter_saturate/tb_template.sv
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@@ -65,13 +65,13 @@
//--------------------------------------------------------------------------
// Test incrsaturate = 250; decrsaturate = 5;
//--------------------------------------------------------------------------
cpuif.assert_read('h4, 'h05, 'hFF);
cpuif.assert_read('h4, 'h00, 'hFF);
// incrsaturate via +1
cpuif.write('h4, `set);
cpuif.assert_read('h4, 'hFA, 'hFF);
cpuif.assert_read('h4, 'hFF, 'hFF);
cpuif.write('h4, `decr + `step(1));
cpuif.assert_read('h4, 'hF9, 'hFF);
cpuif.assert_read('h4, 'hFE, 'hFF);
cpuif.write('h4, `incr + `step(1));
cpuif.assert_read('h4, 'hFA, 'hFF);
cpuif.write('h4, `incr + `step(1));
@@ -79,9 +79,9 @@
// decrsaturate via +1
cpuif.write('h4, `clr);
cpuif.assert_read('h4, 'h05, 'hFF);
cpuif.assert_read('h4, 'h00, 'hFF);
cpuif.write('h4, `incr + `step(1));
cpuif.assert_read('h4, 'h06, 'hFF);
cpuif.assert_read('h4, 'h01, 'hFF);
cpuif.write('h4, `decr + `step(1));
cpuif.assert_read('h4, 'h05, 'hFF);
cpuif.write('h4, `decr + `step(1));
@@ -89,9 +89,9 @@
// incrsaturate via larger steps
cpuif.write('h4, `set);
cpuif.assert_read('h4, 'hFA, 'hFF);
cpuif.assert_read('h4, 'hFF, 'hFF);
cpuif.write('h4, `decr + `step(1));
cpuif.assert_read('h4, 'hF9, 'hFF);
cpuif.assert_read('h4, 'hFE, 'hFF);
cpuif.write('h4, `incr + `step(2));
cpuif.assert_read('h4, 'hFA, 'hFF);
cpuif.write('h4, `incr + `step(3));
@@ -101,9 +101,9 @@
// decrsaturate via larger steps
cpuif.write('h4, `clr);
cpuif.assert_read('h4, 'h05, 'hFF);
cpuif.assert_read('h4, 'h00, 'hFF);
cpuif.write('h4, `incr + `step(1));
cpuif.assert_read('h4, 'h06, 'hFF);
cpuif.assert_read('h4, 'h01, 'hFF);
cpuif.write('h4, `decr + `step(2));
cpuif.assert_read('h4, 'h05, 'hFF);
cpuif.write('h4, `decr + `step(3));
@@ -169,9 +169,9 @@
// incrsaturate via +1
cpuif.write('h8, `set);
cpuif.assert_read('h8, 'hFA, 'hFF);
cpuif.assert_read('h8, 'hFF, 'hFF);
cpuif.write('h8, `decr + `step(1));
cpuif.assert_read('h8, 'hF9, 'hFF);
cpuif.assert_read('h8, 'hFE, 'hFF);
cpuif.write('h8, `incr + `step(1));
cpuif.assert_read('h8, 'hFA, 'hFF);
cpuif.write('h8, `incr + `step(1));
@@ -179,9 +179,9 @@
// decrsaturate via +1
cpuif.write('h8, `clr);
cpuif.assert_read('h8, 'h05, 'hFF);
cpuif.assert_read('h8, 'h00, 'hFF);
cpuif.write('h8, `incr + `step(1));
cpuif.assert_read('h8, 'h06, 'hFF);
cpuif.assert_read('h8, 'h01, 'hFF);
cpuif.write('h8, `decr + `step(1));
cpuif.assert_read('h8, 'h05, 'hFF);
cpuif.write('h8, `decr + `step(1));
@@ -189,9 +189,9 @@
// incrsaturate via larger steps
cpuif.write('h8, `set);
cpuif.assert_read('h8, 'hFA, 'hFF);
cpuif.assert_read('h8, 'hFF, 'hFF);
cpuif.write('h8, `decr + `step(1));
cpuif.assert_read('h8, 'hF9, 'hFF);
cpuif.assert_read('h8, 'hFE, 'hFF);
cpuif.write('h8, `incr + `step(2));
cpuif.assert_read('h8, 'hFA, 'hFF);
cpuif.write('h8, `incr + `step(3));
@@ -201,9 +201,9 @@
// decrsaturate via larger steps
cpuif.write('h8, `clr);
cpuif.assert_read('h8, 'h05, 'hFF);
cpuif.assert_read('h8, 'h00, 'hFF);
cpuif.write('h8, `incr + `step(1));
cpuif.assert_read('h8, 'h06, 'hFF);
cpuif.assert_read('h8, 'h01, 'hFF);
cpuif.write('h8, `decr + `step(2));
cpuif.assert_read('h8, 'h05, 'hFF);
cpuif.write('h8, `decr + `step(3));