Github_Repos/cvw
1
0
Fork 1
mirror of https://github.com/openhwgroup/cvw synced 2025-02-11 06:05:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Passed Regression: Seems to work perfectly fine

Browse Source
This commit is contained in:
slmnemo 2022-06-09 18:21:13 -07:00
parent ec7cdee0f3
commit dc11066ff2
2 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
pipelined/src/ebu/ahblite.sv
View File

@ -133,9 +133,8 @@ module ahblite (
assign #1 GrantData = (NextBusState == MEMREAD) | (NextBusState == MEMWRITE); assign #1 GrantData = (NextBusState == MEMREAD) | (NextBusState == MEMWRITE);
assign #1 AccessAddress = (GrantData) ? LSUBusAdr[31:0] : IFUBusAdr[31:0]; assign #1 AccessAddress = (GrantData) ? LSUBusAdr[31:0] : IFUBusAdr[31:0];
assign #1 HADDR = AccessAddress; assign #1 HADDR = AccessAddress;
// assign ISize = 3'b010; // 32 bit instructions for now; later improve for filling cache with full width; ignored on reads anyway assign ISize = 3'b010; // 32 bit instructions for now; later improve for filling cache with full width; ignored on reads anyway
// assign HSIZE = (GrantData) ? {1'b0, LSUBusSize[1:0]} : ISize; // Commented out due to not using ISize. assign HSIZE = (GrantData) ? {1'b0, LSUBusSize[1:0]} : ISize;
assign HSIZE = (`XLEN == 64) ? 3'b011 : 3'b010;
assign HBURST = (GrantData) ? LSUBurstType : IFUBurstType; // If doing memory accesses, use LSUburst, else use Instruction burst. assign HBURST = (GrantData) ? LSUBurstType : IFUBurstType; // If doing memory accesses, use LSUburst, else use Instruction burst.
/* Cache burst read/writes case statement (hopefully) WRAPS only have access to 4 wraps. X changes position based on HSIZE. /* Cache burst read/writes case statement (hopefully) WRAPS only have access to 4 wraps. X changes position based on HSIZE.

2
pipelined/src/lsu/busfsm.sv
View File

@ -145,7 +145,7 @@ module busfsm #(parameter integer WordCountThreshold,
assign LSUBurstType = (UnCachedRW) ? 3'b0 : LocalBurstType; // Don't want to use burst when doing an Uncached Access. assign LSUBurstType = (UnCachedRW) ? 3'b0 : LocalBurstType; // Don't want to use burst when doing an Uncached Access.
assign LSUTransComplete = (UnCachedRW) ? LSUBusAck : WordCountFlag & LSUBusAck; assign LSUTransComplete = (UnCachedRW) ? LSUBusAck : WordCountFlag & LSUBusAck;
assign LSUTransType = (|WordCount) & ~UnCachedRW ? 2'b11 : (LSUBusRead | LSUBusWrite) & (~WordCountFlag) ? 2'b10 : 2'b00; assign LSUTransType = (|WordCount) & ~UnCachedRW ? 2'b11 : (LSUBusRead | LSUBusWrite) & (~WordCountFlag | ~CACHE_ENABLED) ? 2'b10 : 2'b00;
assign CntReset = BusCurrState == STATE_BUS_READY; assign CntReset = BusCurrState == STATE_BUS_READY;
assign BusStall = (BusCurrState == STATE_BUS_READY & ~IgnoreRequest & ((UnCachedAccess & (|LSURWM)) | DCacheFetchLine | DCacheWriteLine)) | assign BusStall = (BusCurrState == STATE_BUS_READY & ~IgnoreRequest & ((UnCachedAccess & (|LSURWM)) | DCacheFetchLine | DCacheWriteLine)) |