From 49fe1b2f9fe0d72faee232d514a7b4a5dd5c158e Mon Sep 17 00:00:00 2001 From: adam Date: Thu, 8 Feb 2007 04:49:11 +0100 Subject: [PATCH] icache bug fixes (was emitting extraneous instructions) --- src/edu/berkeley/fleet/slipway/icache.v | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/src/edu/berkeley/fleet/slipway/icache.v b/src/edu/berkeley/fleet/slipway/icache.v index 637157d..280ded8 100644 --- a/src/edu/berkeley/fleet/slipway/icache.v +++ b/src/edu/berkeley/fleet/slipway/icache.v @@ -28,8 +28,11 @@ module icache (clk, `defreg(dhorn_d_, [(`PACKET_WIDTH-1):0], dhorn_d) reg ihorn_full; + initial ihorn_full = 0; reg dhorn_full; + initial dhorn_full = 0; reg command_valid; + initial command_valid = 0; reg [(`BRAM_ADDR_WIDTH-1):0] preload_pos; reg [(`BRAM_ADDR_WIDTH-1):0] preload_size; @@ -55,6 +58,7 @@ module icache (clk, wire [(`BRAM_DATA_WIDTH-1):0] ramread; reg command_valid_read; + initial command_valid_read = 0; reg launched; initial launched = 0; @@ -85,7 +89,7 @@ module icache (clk, write_addr <= write_addr_d; write_data <= write_data_d; - end else if (ihorn_full) begin + end else if (ihorn_full && launched) begin `onwrite(ihorn_r, ihorn_a) ihorn_full <= 0; end @@ -159,12 +163,6 @@ module icache (clk, end end end -/* - if (write_flag) begin - write_flag = 0; - ram[write_addr] <= write_data; - end -*/ end endmodule -- 1.7.10.4