Fix syntax errors and make it compile in verilator.

[firearm.git] / icache.v

diff --git a/icache.v b/icache.v
index 4dce41d..7daebb6 100644 (file)
--- a/icache.v
+++ b/icache.v
@@ -13,7 +13,7 @@ module ICache(
        output reg bus_req,
        input bus_ack,
        output reg [31:0] bus_addr,
        output reg bus_req,
        input bus_ack,
        output reg [31:0] bus_addr,

-       input [31:0] bus_data
+       input [31:0] bus_data,

        output reg bus_rd,
        output wire bus_wr,
        input bus_ready);
        output reg bus_rd,
        output wire bus_wr,
        input bus_ready);


@@ -28,11 +28,12 @@ module ICache(
        
        reg cache_valid [15:0];
        reg [21:0] cache_tags [15:0];
        
        reg cache_valid [15:0];
        reg [21:0] cache_tags [15:0];

-       reg [31:0] cache_data [15:0] [7:0];
+       reg [31:0] cache_data [15:0 /* line */] [15:0 /* word */];

        
        

+       reg [3:0] i;

        initial
        initial

-               for (i = 0; i < 16; i = i + 1)
-                       cache_valid[i] <= 0;
+               for (i = 0; i <= 15; i = i + 1)
+                       cache_valid[i] = 0;

        
        wire [5:0] rd_didx = rd_addr[5:0];
        wire [3:0] rd_didx_word = rd_didx[5:2];
        
        wire [5:0] rd_didx = rd_addr[5:0];
        wire [3:0] rd_didx_word = rd_didx[5:2];


@@ -47,7 +48,7 @@ module ICache(
        end
        
        reg [3:0] cache_fill_pos = 0;
        end
        
        reg [3:0] cache_fill_pos = 0;

-       always @(*) begin
+       always @(*)

                if (rd_req && !cache_hit) begin
                        bus_req = 1;
                        if (bus_ack) begin
                if (rd_req && !cache_hit) begin
                        bus_req = 1;
                        if (bus_ack) begin