From f08882db2cbb30c379a1736f59943c5f60e73959 Mon Sep 17 00:00:00 2001
From: Zihao Yu <yuzihao@ict.ac.cn>
Date: Fri, 12 Jan 2024 20:14:32 +0800
Subject: [PATCH] bsp,am,integrate-am-apps: fix linking error for microbench

* do not change the name of symbol in libraries
* run microbench, but trigger segmentation fault
---
 bsp/abstract-machine/integrate-am-apps.py | 29 +++++++++++++++++++----
 1 file changed, 24 insertions(+), 5 deletions(-)

diff --git a/bsp/abstract-machine/integrate-am-apps.py b/bsp/abstract-machine/integrate-am-apps.py
index f083c6e..6021f4b 100644
--- a/bsp/abstract-machine/integrate-am-apps.py
+++ b/bsp/abstract-machine/integrate-am-apps.py
@@ -5,12 +5,21 @@ from pathlib import Path
 
 AM_HOME = Path(os.environ["AM_HOME"])
 AM_KERNELS_HOME = (AM_HOME / ".." / "am-kernels").resolve()
-app_dir_list = AM_KERNELS_HOME / "kernels" / "hello"
 ARCH = "native"
 Path("build").mkdir(exist_ok=True)
 am_app_mk_fp = open("am-apps.mk", "w")
 am_app_c_fp  = open("build/am-apps.c" , "w")
-lib_sym = []
+lib_sym = [
+  "memset", "memcpy", "memmove", "memcmp",
+  "strlen", "strcat", "strcpy", "strncpy", "strcmp", "strncmp",
+  "srand", "rand", "malloc", "free", "abs", "atoi",
+  "printf", "sprintf", "snprintf", "vsprintf", "vsnprintf",
+]
+am_init_sym = [ "trm_init", "ioe_init", "cte_init", "vme_init", "mpe_init" ]
+app_dir_list = [
+  AM_KERNELS_HOME / "kernels" / "hello",
+  AM_KERNELS_HOME / "benchmarks" / "microbench",
+]
 
 def read_lib_symbols(lib):
     libfile = AM_HOME / lib / "build" / f"{lib}-{ARCH}.a"
@@ -31,7 +40,10 @@ def integrate(app_dir):
     redefine_sym_file = "redefine_sym.txt"
     redefine_sym_fp = open(redefine_sym_file, "w")
     for f in lib_sym:
-        redefine_sym_fp.write(f"__am_{app_name}_{f} {f}\n")
+        if f in am_init_sym:
+            redefine_sym_fp.write(f"__am_{app_name}_{f} __dummy_{f}\n")
+        else:
+            redefine_sym_fp.write(f"__am_{app_name}_{f} {f}\n")
     redefine_sym_fp.close()
     for obj in objs:
         os.system(f"objcopy --prefix-symbols=__am_{app_name}_ {str(obj)}")
@@ -48,7 +60,14 @@ read_lib_symbols("am")
 read_lib_symbols("klib")
 
 am_app_mk_fp.write("SRCS += build/am-apps.c\n")
-am_app_c_fp.write("#include <rtthread.h>\n")
-integrate(app_dir_list)
+am_app_c_fp.write("""#include <am.h>
+#include <rtthread.h>
+bool __dummy_ioe_init() { return true; }
+bool __dummy_cte_init(Context *(*handler)(Event ev, Context *ctx)) { return true; }
+bool __dummy_vme_init(void *(*pgalloc)(int), void (*pgfree)(void *)) { return true; }
+bool __dummy_mpe_init(void (*entry)()) { return true; }
+""")
+for app in app_dir_list:
+    integrate(app)
 am_app_mk_fp.close()
 am_app_c_fp.close()