From 9df46609e2674bf3403cecc049ea16b83dea026b Mon Sep 17 00:00:00 2001
From: Nandkumar Joshi <nandkumar.joshi@sifive.com>
Date: Tue, 25 Aug 2020 11:41:38 +0530
Subject: [PATCH] Add example for Sifive L2 hardware prefetcher.

---
 .gitmodules             | 3 +++
 README.md               | 2 ++
 doc/sphinx/contents.rst | 3 +++
 software/example-l2pf   | 1 +
 wit-manifest.json       | 5 +++++
 5 files changed, 14 insertions(+)
 create mode 160000 software/example-l2pf

diff --git a/.gitmodules b/.gitmodules
index 29e965951..0f4713323 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -157,3 +157,6 @@
 [submodule "software/example-l2pm"]
 	path = software/example-l2pm
 	url = https://github.com/sifive/example-l2pm.git
+[submodule "software/example-l2pf"]
+	path = software/example-l2pf
+	url = https://github.com/sifive/example-l2pf.git
diff --git a/README.md b/README.md
index f818e8d01..d8aa787c4 100644
--- a/README.md
+++ b/README.md
@@ -151,6 +151,8 @@ operating systems to RISC-V.
     - Demonstrates usage of the RISC-V hardware performance counter APIs.
   - example-l2pm
     - Demonstrates usage of Sifive L2 performance monitor counter APIs to capture L2 cache event logs.
+  - example-l2pf
+    - Example for usage and measuring effectiveness of SiFive L2 Prefetcher.
   - example-freertos-minimal
     - A simple FreeRTOS skeleton to build your FreeRTOS application.
   - example-freertos-blinky
diff --git a/doc/sphinx/contents.rst b/doc/sphinx/contents.rst
index 58ad5176a..98e3f8438 100644
--- a/doc/sphinx/contents.rst
+++ b/doc/sphinx/contents.rst
@@ -289,3 +289,6 @@ The example programs can be found under the ``software/`` directory.
 - example-l2pm
 
   - Demonstrates usage of Sifive L2 performance monitor counter APIs to capture L2 cache event logs.
+
+- example-l2pf
+  - Example for usage and measuring effectiveness of SiFive L2 Prefetcher.
diff --git a/software/example-l2pf b/software/example-l2pf
new file mode 160000
index 000000000..983a3f6fe
--- /dev/null
+++ b/software/example-l2pf
@@ -0,0 +1 @@
+Subproject commit 983a3f6fe57c2a83e46d79c7aa62c6efd2dde584
diff --git a/wit-manifest.json b/wit-manifest.json
index 0121ec2b5..36a979ba0 100644
--- a/wit-manifest.json
+++ b/wit-manifest.json
@@ -263,5 +263,10 @@
         "commit": "817e1b54223da438f7d242b1b824cb9900f5d756",
         "name": "example-l2pm",
         "source": "git@github.com:sifive/example-l2pm.git"
+    },
+    {
+        "commit": "983a3f6fe57c2a83e46d79c7aa62c6efd2dde584",
+        "name": "example-l2pf",
+        "source": "git@github.com:sifive/example-l2pm.git"
     }
 ]