From e28346442a2056a89a0c6aaf67ed39be80e29c6d Mon Sep 17 00:00:00 2001
From: Alban Gruin <alban.gruin@univ-tlse3.fr>
Date: Mon, 24 May 2021 12:02:20 +0200
Subject: [PATCH] ariane_pkg: reduce queue sizes to 1
Signed-off-by: Alban Gruin <alban.gruin@univ-tlse3.fr>
---
include/ariane_pkg.sv | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/ariane_pkg.sv b/include/ariane_pkg.sv
index 91b38513..81bbd602 100644
--- a/include/ariane_pkg.sv
+++ b/include/ariane_pkg.sv
@@ -128,7 +128,7 @@ package ariane_pkg;
endfunction : is_inside_cacheable_regions
// TODO: Slowly move those parameters to the new system.
- localparam NR_SB_ENTRIES = 8; // number of scoreboard entries
+ localparam NR_SB_ENTRIES = 2; // number of scoreboard entries
localparam TRANS_ID_BITS = $clog2(NR_SB_ENTRIES); // depending on the number of scoreboard entries we need that many bits
// to uniquely identify the entry in the scoreboard
localparam ASID_WIDTH = (riscv::XLEN == 64) ? 16 : 1;
@@ -278,7 +278,7 @@ package ariane_pkg;
// ---------------
// leave as is (fails with >8 entries and wider fetch width)
- localparam int unsigned FETCH_FIFO_DEPTH = 4;
+ localparam int unsigned FETCH_FIFO_DEPTH = 1;
localparam int unsigned FETCH_WIDTH = 32;
// maximum instructions we can fetch on one request (we support compressed instructions)
localparam int unsigned INSTR_PER_FETCH = FETCH_WIDTH / 16;
--
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