[hardware] Add draft support for segment mem ops

pulp-platform · Oct 25, 2024 · a504f3b · a504f3b
1 parent 887a76c
commit a504f3b
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Showing 7 changed files with 1,219 additions and 1,107 deletions.
diff --git a/Bender.yml b/Bender.yml
@@ -27,6 +27,8 @@ sources:
     - hardware/include/ara_pkg.sv
 
     # Sources
+    # Level 0
+    - hardware/src/segment_sequencer.sv
     # Level 1
     - hardware/src/axi_to_mem.sv
     - hardware/src/ctrl_registers.sv

diff --git a/hardware/include/ara_pkg.sv b/hardware/include/ara_pkg.sv
@@ -38,6 +38,12 @@ package ara_pkg;
     FixedPointEnable  = 1'b1
   } fixpt_support_e;
 
+  // Support for segment memory operations
+  typedef enum logic {
+    SegSupportDisable = 1'b0,
+    SegSupportEnable  = 1'b1
+  } seg_support_e;
+
   // FP support outside of the FPU (external)
   // vfrec7, vfrsqrt7, round-toward-odd
   typedef enum logic {
@@ -302,6 +308,9 @@ package ara_pkg;
     // Effective length multiplier
     rvv_pkg::vlmul_e emul;
 
+    // Number of segments in segment mem op
+    logic [2:0] nf;
+
     // Rounding-Mode for FP operations
     fpnew_pkg::roundmode_e fp_rm;
     // Widen FP immediate (re-encoding)

diff --git a/hardware/scripts/wave_ara.tcl b/hardware/scripts/wave_ara.tcl
@@ -7,6 +7,7 @@
 add wave -noupdate -group Ara -group core /ara_tb/dut/i_ara_soc/i_system/i_ara/*
 
 add wave -noupdate -group Ara -group dispatcher /ara_tb/dut/i_ara_soc/i_system/i_ara/i_dispatcher/*
+add wave -noupdate -group Ara -group dispatcher -group segment_sequencer /ara_tb/dut/i_ara_soc/i_system/i_ara/i_dispatcher/i_segment_sequencer/*
 add wave -noupdate -group Ara -group sequencer /ara_tb/dut/i_ara_soc/i_system/i_ara/i_sequencer/*
 
 # Add waves from all the lanes

diff --git a/hardware/src/ara.sv b/hardware/src/ara.sv
@@ -15,6 +15,8 @@ module ara import ara_pkg::*; #(
     parameter  fpext_support_e        FPExtSupport = FPExtSupportEnable,
     // Support for fixed-point data types
     parameter  fixpt_support_e        FixPtSupport = FixedPointEnable,
+    // Support for segment memory operations
+    parameter  seg_support_e          SegSupport   = SegSupportEnable,
     // AXI Interface
     parameter  int           unsigned AxiDataWidth = 0,
     parameter  int           unsigned AxiAddrWidth = 0,
@@ -89,7 +91,8 @@ module ara import ara_pkg::*; #(
   vxrm_t     [NrLanes-1:0]      alu_vxrm;
 
   ara_dispatcher #(
-    .NrLanes(NrLanes)
+    .NrLanes(NrLanes),
+    .SegSupport(SegSupport)
   ) i_dispatcher (
     .clk_i             (clk_i           ),
     .rst_ni            (rst_ni          ),