From ec527508ff8cde5de88a043483c16d50dee18995 Mon Sep 17 00:00:00 2001
From: fengbh <1953356163@qq.com>
Date: Mon, 9 Dec 2024 15:47:29 +0800
Subject: [PATCH] add me241101_dpi

---
 .gitignore                | 14 ++++++++++++--
 me241101_dpi/Makefile     | 12 ++++++++++++
 me241101_dpi/ReadMe.md    | 31 +++++++++++++++++++++++++++++++
 me241101_dpi/sv_main.c    | 10 ++++++++++
 me241101_dpi/testbench.sv | 29 +++++++++++++++++++++++++++++
 5 files changed, 94 insertions(+), 2 deletions(-)
 create mode 100644 me241101_dpi/Makefile
 create mode 100644 me241101_dpi/ReadMe.md
 create mode 100644 me241101_dpi/sv_main.c
 create mode 100644 me241101_dpi/testbench.sv

diff --git a/.gitignore b/.gitignore
index 4a15efa..6fbfca7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,3 @@
-2_dpi
-3_python_learn
 4_c_re
 5_vpi
 sv_lab
@@ -16,3 +14,15 @@ me241100_svExample/simv
 me241100_svExample/ucli.key
 me241100_svExample/vc_hdrs.h
 me241100_svExample/wave.fsdb
+
+me241101_dpi/csrc/
+me241101_dpi/simv.daidir/
+me241101_dpi/verdiLog/
+me241101_dpi/*.log
+me241101_dpi/novas.*
+me241101_dpi/simv
+me241101_dpi/ucli.key
+me241101_dpi/vc_hdrs.h
+me241101_dpi/wave.fsdb
+me241101_dpi/*.o
+me241101_dpi/*.so
\ No newline at end of file
diff --git a/me241101_dpi/Makefile b/me241101_dpi/Makefile
new file mode 100644
index 0000000..2758e60
--- /dev/null
+++ b/me241101_dpi/Makefile
@@ -0,0 +1,12 @@
+sv_main.so: sv_main.c
+	- gcc -fPIC -c sv_main.c -I ${VCS_HOME}/include
+	- gcc -shared -o sv_main.so sv_main.o
+#sv_main.so: sv_main.c
+#	- gcc -fPIC -shared -o sv_main.so -c sv_main.c -I ${VCS_HOME}/include
+comp:
+	- vcs -full64 +v2k -sverilog -LDFLAGS -Wl,--no-as-needed -debug_access+all -top testbench -l compile.log \
+		testbench.sv
+sim: sv_main.so
+	- ./simv -l sim.log -sv_root . -sv_lib sv_main
+clean:
+	- \rm -rf *.log simv simv.daidir *.a *.o *.so csrc *.key
\ No newline at end of file
diff --git a/me241101_dpi/ReadMe.md b/me241101_dpi/ReadMe.md
new file mode 100644
index 0000000..03902a0
--- /dev/null
+++ b/me241101_dpi/ReadMe.md
@@ -0,0 +1,31 @@
+# dpi
+
+## 概述
+
+使用vcs编译dpi的简单例子
+
+> 需要准备好vcs+verdi的仿真环境。
+
+### 特性
+
+- 动态调用
+- Makefile 管理
+
+## 快速开始
+
+### 一、仿真
+
+```bash
+make clean comp sim
+```
+
+### 二、检查log
+
+查看log，检查是否正确调用dpi。
+
+## 更多
+
+[PLI 学习 - 博涵 - 博客园](https://www.cnblogs.com/fengbohan/p/18595069/pli-learning-zx6kpe)
+
+
+
diff --git a/me241101_dpi/sv_main.c b/me241101_dpi/sv_main.c
new file mode 100644
index 0000000..9ab2c9f
--- /dev/null
+++ b/me241101_dpi/sv_main.c
@@ -0,0 +1,10 @@
+#include <svdpi.h>
+#include <vpi_user.h>
+#include <stdio.h>
+
+extern void sv_hello();
+int c_hello(const char *name, int age) {
+    vpi_printf("c_hello: %s, %d\n", name, age);
+    sv_hello();
+    return 0;
+}
diff --git a/me241101_dpi/testbench.sv b/me241101_dpi/testbench.sv
new file mode 100644
index 0000000..d8f7253
--- /dev/null
+++ b/me241101_dpi/testbench.sv
@@ -0,0 +1,29 @@
+//=========================================================================== 
+// Organization : Individual Developer 
+// Filename     : testbench.sv
+// Author       : Feng Bohan
+// Create Time  : 16:17:37 2024-11-22
+// Last Modified: 16:20:09 2024-11-22
+// Abstract     :  
+//--------------------------------------------------------------------------
+// Description:
+// 
+//--------------------------------------------------------------------------
+// Modification History:
+//--------------------------------------------------------------------------
+// Rev      Date        Who         Description
+// ---      ----        ---         -----------
+// 0.0.01   2024-11-22  Feng Bohan  initial version
+//===========================================================================
+module testbench;
+    import "DPI-C" context function int c_hello(input string name, input int age);
+    export "DPI-C" function sv_hello;
+    function void sv_hello();
+        $display("sv_hello");
+    endfunction
+
+    initial begin
+        c_hello("testbench", 18);
+    end
+endmodule
+