From 83eb76e0b3f6570b5e27e2295551f648eea96d86 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Sun, 5 Jun 2022 16:23:07 -0700
Subject: Add cache clearing to the command parser.

---
 hdl/command_parser.sv | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'hdl/command_parser.sv')

diff --git a/hdl/command_parser.sv b/hdl/command_parser.sv
index 1520db4..a4a5190 100644
--- a/hdl/command_parser.sv
+++ b/hdl/command_parser.sv
@@ -20,6 +20,8 @@ module command_parser
     ,   input   bit loop_ready
     ,   output  bit loop_valid
     ,   output  bit loop_data
+
+    ,   output  bit clear_caches
     );
 
     bit         input_byte_valid;
@@ -43,6 +45,7 @@ module command_parser
                 command_data.mask[i] = ~0;
             command_data.tag = TAG;
             loop_valid = 0;
+            clear_caches = 0;
             input_byte_valid = 0;
             input_byte = 0;
             loop_count = 0;
@@ -62,6 +65,7 @@ module command_parser
             if (loop_ready && loop_valid) begin
                 loop_valid = 0;
             end
+            clear_caches = 0;
 
             if (!command_valid && !loop_valid) begin
                 case (state)
@@ -106,6 +110,10 @@ module command_parser
                         state = READ_LOOP_COUNT;
                     end
 
+                    "$": begin
+                        clear_caches = 1;
+                    end
+
                     endcase
                     input_byte_valid = 0;
                 end
-- 
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