From 8aa7824b35f4e5c48b4b4003831d242a91a4167c Mon Sep 17 00:00:00 2001
From: Johannes Stoelp <johannes.stoelp@gmail.com>
Date: Fri, 27 Oct 2023 00:49:18 +0200
Subject: lt_bus: update example with dmi invalidation

---
 src/lt_bus.cc | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

(limited to 'src/lt_bus.cc')

diff --git a/src/lt_bus.cc b/src/lt_bus.cc
index 42495c0..069e01f 100644
--- a/src/lt_bus.cc
+++ b/src/lt_bus.cc
@@ -15,9 +15,12 @@ struct target : public sc_core::sc_module {
 
  private:
   void b_transport(tlm::tlm_generic_payload& tx, sc_core::sc_time& t) {
-    LOGM("transport 0x%llx w: %d r: %d", tx.get_address(), tx.is_write(),
-         tx.is_read());
+    CLOGM(YELLOW, "transport 0x%llx w: %d r: %d", tx.get_address(),
+          tx.is_write(), tx.is_read());
     tx.set_response_status(tlm::TLM_OK_RESPONSE);
+
+    CLOGM(YELLOW, "invalidate 0x00 - 0x10");
+    p_sock->invalidate_direct_mem_ptr(0, 0x10);
   }
 };
 
@@ -27,13 +30,19 @@ struct initiator : public sc_core::sc_module {
   SC_HAS_PROCESS(initiator);
 
   explicit initiator(sc_core::sc_module_name nm) : sc_module(std::move(nm)) {
+    p_sock.register_invalidate_direct_mem_ptr(this, &initiator::invalidate_dmi);
+
     SC_THREAD(run);
   }
 
   tlm_utils::simple_initiator_socket<initiator> p_sock{"sock"};
 
  private:
-  void send_tx(tlm::tlm_command cmd, std::uint64_t addr) {
+  void invalidate_dmi(sc_dt::uint64 start, sc_dt::uint64 end) {
+    CLOGM(CYAN, "INV 0x%08llx-0x%08llx", start, end);
+  }
+
+  void send_tx(tlm::tlm_command cmd, u64 addr) {
     unsigned char data[4];
     tlm::tlm_generic_payload tx;
     tx.set_command(cmd);
@@ -45,11 +54,15 @@ struct initiator : public sc_core::sc_module {
     tx.set_response_status(tlm::TLM_INCOMPLETE_RESPONSE);
     tx.set_dmi_allowed(false);
 
+    CLOGM(CYAN, "ACCESS @0x%lx", addr);
+
     sc_core::sc_time t;
     p_sock->b_transport(tx, t);
 
-    LOGM("ACCESS @%lx ok: %d (%s)", addr, tx.is_response_ok(),
-         tx.get_response_string().c_str());
+    CLOGM(CYAN, "ACCESS ok: %d (%s)", tx.is_response_ok(),
+          tx.get_response_string().c_str());
+
+    LOG("------------------------------------------------------------");
   }
 
   void run() {
@@ -73,12 +86,14 @@ extern "C" int sc_main(int, char*[]) {
 
   initiator init1{"init1"};
 
-  bus.attach_target(target2.p_sock, 0x4000, 0x4fff);
   bus.attach_target(target1.p_sock, 0x0000, 0x3fff);
+  bus.attach_target(target2.p_sock, 0x4000, 0x4fff);
   bus.attach_target(target3.p_sock, 0x8000, 0x80ff);
 
   bus.attach_initiator(init1.p_sock);
 
+  bus.dump();
+
   sc_core::sc_start();
 
   return 0;
-- 
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