Prepare for release

.github/workflows/openlane.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       REPO : serv
-      VLNV : serv
+      VLNV : award-winning:serv:serv
     steps:
       - name: Checkout repo
         uses: actions/checkout@v4
@@ -15,11 +15,11 @@ jobs:
       - run: echo "EDALIZE_LAUNCHER=el_docker" >> $GITHUB_ENV
       - run: pip3 install fusesoc
       - run: fusesoc library add $REPO $GITHUB_WORKSPACE/$REPO
-      - run: fusesoc run --target=sky130 $VLNV
+      - run: fusesoc run --target=sky130 --work-root=openlane_work $VLNV
       - run: find -name *.gds
       - name: Store artifacts
         uses: actions/upload-artifact@v4
         with:
           name: serv.gds
-          path: build/serv_1.3.0/sky130-openlane/runs/serv_synth_wrapper/results/finishing/serv_synth_wrapper.gds
+          path: openlane_work/runs/serv_synth_wrapper/results/finishing/serv_synth_wrapper.gds
 

NEWS

@@ -1,3 +1,16 @@
+1.4.0 2025-10-15 Olof Kindgren
+======================================================
+
+* Zephyr BSP: Port to Zephyr 4.0.0
+* Fix mstatus[mpp] field
+* Fix misa and mstatus being triggered at the same time
+* Add documentation for extension interface
+* Add Subservient documentation
+* Add 4-bit mode (QERV)
+* Add simulation debug module
+* New servant ports: Trenz Electronic TE0802
+* Make slt, branches and shifts one cycle faster
+
 1.3.0 2024-07-05 Olof Kindgren
 ======================================================
 

README.md

@@ -89,7 +89,7 @@ Each of the following commands should be run from the workspace directory:
 
 If everything worked, the output should look like
 
-    INFO: Preparing ::serv:1.3.0
+    INFO: Preparing award-winning:serv:serv:1.4.0
     INFO: Setting up project
 
     INFO: Building simulation model

doc/servant.rst

@@ -144,7 +144,7 @@ iCEstick
 Pin 95 is used as the GPIO output which is connected to the board's green LED. Due to this board's limited Embedded BRAM, programs with a maximum of 7168 bytes can be loaded. The default program for this board is blinky.hex.
 
     fusesoc run --target=icestick servant
-    iceprog build/servant_1.3.0/icestick-icestorm/servant_1.3.0.bin
+    iceprog build/servant_1.4.0/icestick-icestorm/servant_1.4.0.bin
 
 iCESugar
 ^^^^^^^^
@@ -162,7 +162,7 @@ Pin 9 is used for UART output with 57600 baud rate.
 
     fusesoc run --target=icev_wireless servant
 
-    iceprog build/servant_1.3.0/icestick-icestorm/servant_1.3.0.bin
+    iceprog build/servant_1.4.0/icestick-icestorm/servant_1.4.0.bin
 
 GMM7550
 ^^^^^^^
@@ -181,7 +181,7 @@ Pin B1 is used for UART output with 115200 baud rate. The serial port on Kolibri
 
     fusesoc run --target=machdyne_kolibri servant
 
-    ldprog -Ks build/servant_1.3.0/machdyne_kolibri-icestorm/servant_1.3.0.bin
+    ldprog -Ks build/servant_1.4.0/machdyne_kolibri-icestorm/servant_1.4.0.bin
 
 MAX10 10M08 Evaluation Kit
 ^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -196,7 +196,7 @@ Nandland Go Board
 Pin 56 is used as the GPIO output which is connected to the board's LED1. Due to this board's limited Embedded BRAM, programs with a maximum of 7168 bytes can be loaded. The default program for this board is blinky.hex.
 
     fusesoc run --target=go_board servant
-    iceprog build/servant_1.3.0/go_board-icestorm/servant_1.3.0.bin
+    iceprog build/servant_1.4.0/go_board-icestorm/servant_1.4.0.bin
 
 Nexys 2
 ^^^^^^^
@@ -218,7 +218,7 @@ OrangeCrab R0.2
 Pin D1 is used for UART output with 115200 baud rate.
 
     fusesoc run --target=orangecrab_r0.2 servant
-    dfu-util -d 1209:5af0 -D build/servant_1.3.0/orangecrab_r0.2-trellis/servant_1.3.0.bit
+    dfu-util -d 1209:5af0 -D build/servant_1.4.0/orangecrab_r0.2-trellis/servant_1.4.0.bit
 
 PolarFire Splash Kit
 ^^^^^^^^^^^^^^^^^^^^

serv.core

@@ -1,6 +1,8 @@
 CAPI=2:
 
-name : ::serv:1.3.0
+name : award-winning:serv:serv:1.4.0
+description: The award-winning SERV, the world's smallest RISC-V CPU
+license: ISC
 
 filesets:
   core:

servant.core

@@ -1,7 +1,8 @@
 CAPI=2:
 
-name : ::servant:1.3.0
+name : award-winning:serv:servant:1.4.0
 description: Simple reference system for SERV
+license: ISC
 
 filesets:
   # Common filesets
@@ -37,7 +38,7 @@ filesets:
       - "!tool_quartus? (servant/servant_ram.v)"
       - servant/servant.v
     file_type : verilogSource
-    depend : [servile, "mdu? (mdu)"]
+    depend : [award-winning:serv:servile, "mdu? (mdu)"]
 
   verilator_tb:
     files:

servile.core

@@ -1,8 +1,8 @@
 CAPI=2:
 
-name : ::servile:1.3.0
+name : award-winning:serv:servile:1.4.0
-
 description: Convenience wrapper for SERV
+license: ISC
 
 filesets:
   rtl:
@@ -12,7 +12,7 @@ filesets:
       - servile/servile_arbiter.v
       - servile/servile.v
     file_type: verilogSource
-    depend : [serv]
+    depend : [award-winning:serv:serv]
 
 targets:
   default:

serving.core

@@ -1,7 +1,8 @@
 CAPI=2:
 
-name : ::serving:1.3.0
+name : award-winning:serv:serving:1.4.0
 description: SERV-based subsystem for FPGAs
+license: ISC
 
 filesets:
   rtl:
@@ -9,7 +10,7 @@ filesets:
       - serving/serving_ram.v
       - serving/serving.v
     file_type : verilogSource
-    depend : [servile]
+    depend : [award-winning:serv:servile]
 
 targets:
   default:

verif/plugin-serv/riscof_serv.py

@@ -8,7 +8,7 @@ logger = logging.getLogger()
 
 class serv(pluginTemplate):
     __model__ = "serv"
-    __version__ = "1.3.0"
+    __version__ = "1.4.0"
 
     def __init__(self, *args, **kwargs):
         sclass = super().__init__(*args, **kwargs)
@@ -39,7 +39,7 @@ class serv(pluginTemplate):
        utils.shellCommand(add_mdu).run()
 
        build_serv = 'fusesoc run --target=verilator_tb --flag=mdu\
-         --build --build-root=servant_test servant\
+         --build --work-root=servant_test award-winning:serv:servant\
          --memsize=8388608 --compressed=1'
        utils.shellCommand(build_serv).run()
 
@@ -76,9 +76,7 @@ class serv(pluginTemplate):
           #The behavior of --build-root in FuseSoC has changed since version 2.2.1
           #Check first for executable model in the new location and else fall back
           #to the old one
-          exe = 'servant_test/verilator_tb/Vservant_sim'
+          exe = 'servant_test/Vservant_sim'
-          if not os.path.exists(exe):
-              exe = 'servant_test/servant_1.3.0/verilator_tb/Vservant_sim'
           
           sigdump_run = [exe,
                          "+timeout=1000000000",