Cheri-research/Toooba
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Experimentally remove deburster.

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This thing has a seraliser in it that serialises memory accesses, which
is a disaster for performance.
This commit is contained in:
Jonathan Woodruff
2024-02-16 09:50:07 +00:00
parent 6838b02274
commit 271bc9c0e8
1 changed files with 4 additions and 4 deletions
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8
src_Core/Core/CoreW.bsv
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@@ -145,7 +145,7 @@ module mkCoreW (CoreW_IFC #(t_n_irq));
`ifdef RVFI_DII
, .rvfi
`endif
, .ifc}
, .ifc}
<- mkCoreW_reset ( rst, reset_by newRst.new_rst);
(* no_implicit_conditions, fire_when_enabled *)
rule rl_forward_debug_reset (otherRst);
@@ -236,10 +236,10 @@ module mkCoreW_reset #(Reset porReset)
TagControllerAXI #(Wd_MId, Wd_Addr, Wd_Data)
tagController <- mkTagControllerAXI (reset_by all_harts_reset); // TODO double check if reseting like this is good enough
mkConnection (proc.master0, tagController.slave, reset_by all_harts_reset);
AXI4_Shim#(TAdd #(Wd_MId, 1), Wd_Addr, Wd_Data, 0, 0, 0, 0, 0)
/*AXI4_Shim#(TAdd #(Wd_MId, 1), Wd_Addr, Wd_Data, 0, 0, 0, 0, 0)
tag_controller_deburster <- mkBurstToNoBurst;
mkConnection (tagController.master, tag_controller_deburster.slave, reset_by all_harts_reset);
*/
`ifdef PERFORMANCE_MONITORING
rule report_tagController_events;
@@ -633,7 +633,7 @@ module mkCoreW_reset #(Reset porReset)
// memory interfaces
// -----------------
// Cached master to Fabric master interface
interface manager_0 = tag_controller_deburster.master;
interface manager_0 = tagController.master;
// Uncached master to Fabric master interface
interface manager_1 = prepend_AXI4_Master_id
(0, zero_AXI4_Master_user (uncached_mem_shim.master));