[Add] add ext_int

2023-07-23 01:59:53 +08:00
parent 3e9b7e2b29
commit 27ef99503d
6 changed files with 17 additions and 20 deletions
--- a/lacpu/rtl/mycpu/csr.v
+++ b/lacpu/rtl/mycpu/csr.v
@@ -16,6 +16,9 @@ module csr(
    input  [13:0] csr_addr,
    input         csr_wdata_sel,
    input  [31:0] csr_wdata,
+
+    input  [ 7:0] ext_int,
+
    output [31:0] csr_rdata,

    output        except_en,
@@ -324,7 +327,7 @@ module csr(
                estat[11] <= 1'b1;
                timer_en  <= tcfg[`PERIODIC];
            end
-            //estat[9:0] <= intrpt; // ???
+            estat[9:2] <= ext_int; // TODO?
            
            // tval
            if(timer_en) begin