commit 9d64f0fd9001c77a7333fe5750a18ea574551ddc
author Melissa Jost <melissakjost@gmail.com> Fri Nov 05 16:33:23 2021 -0700
committer melissa jost <melissakjost@gmail.com> Tue Dec 07 21:39:57 2021 +0000
tree dc4fb4f59f48a91785059c2de27aa8728a55da99
parent 9f39ea136ae0c02623e229185ce802d7bcd1bd22

stdlib: Added LupIO-IPI to the LupV Board

This adds the LupioIPI device to our LupV Board, which
finalizes the changes needed for the LupIO devices to run
with SMP support.

Change-Id: I3e51dae6d8d589d3b38c57c33322e740c832a03d
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/53042
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>

src/python/gem5/components/boards/lupv_board.py

diff --git a/src/python/gem5/components/boards/lupv_board.py b/src/python/gem5/components/boards/lupv_board.py
index 00ca934..11a9ebc 100644
--- a/src/python/gem5/components/boards/lupv_board.py
+++ b/src/python/gem5/components/boards/lupv_board.py
@@ -48,6 +48,7 @@
     Plic,
     Terminal,
     LupioBLK,
+    LupioIPI,
     LupioPIC,
     LupioRNG,
     LupioRTC,
@@ -110,10 +111,18 @@
         # PLIC
         self.pic = Plic(pio_addr=0xc000000)
 
+        # LUPIO IPI
+        self.lupio_ipi = LupioIPI(
+            pio_addr=0x20001000,
+            int_type=self._excep_code['INT_SOFT_SUPER'],
+            num_threads = self.processor.get_num_cores()
+        )
+
         # LUPIO PIC
         self.lupio_pic = LupioPIC(
             pio_addr=0x20002000,
-            int_type = self._excep_code['INT_EXT_SUPER']
+            int_type = self._excep_code['INT_EXT_SUPER'],
+            num_threads = self.processor.get_num_cores()
         )
 
         #LupV Platform
@@ -142,7 +151,8 @@
         # LUPIO TMR
         self.lupio_tmr = LupioTMR(
             pio_addr=0x20006000,
-            int_type = self._excep_code['INT_TIMER_SUPER']
+            int_type = self._excep_code['INT_TIMER_SUPER'],
+            num_threads = self.processor.get_num_cores()
         )
 
         # LUPIO TTY
@@ -183,6 +193,7 @@
         self._on_chip_devices = [
             self.clint,
             self.pic,
+            self.lupio_ipi,
             self.lupio_pic,
             self.lupio_tmr
         ]
@@ -423,6 +434,22 @@
 
         soc_node.append(plic_node)
 
+        # LupioIPI Device
+        lupio_ipi = self.lupio_ipi
+        lupio_ipi_node = lupio_ipi.generateBasicPioDeviceNode(soc_state,
+                                "lupio-ipi", lupio_ipi.pio_addr,
+                                lupio_ipi.pio_size)
+        int_extended = list()
+        for i, core in enumerate(self.get_processor().get_cores()):
+            phandle = state.phandle(f"cpu@{i}.int_state")
+            int_extended.append(phandle)
+            int_extended.append(self._excep_code['INT_SOFT_SUPER'])
+        lupio_ipi_node.append(
+            FdtPropertyWords("interrupts-extended", int_extended))
+        lupio_ipi_node.append(FdtProperty("interrupt-controller"))
+        lupio_ipi_node.appendCompatible(["lupio,ipi"])
+        soc_node.append(lupio_ipi_node)
+
         # LupioPIC Device
         lupio_pic = self.lupio_pic
         lupio_pic_node = lupio_pic.generateBasicPioDeviceNode(soc_state,