完成rtthread适配

riscv/startup/main.c

@@ -2,6 +2,7 @@
 #include "stdio.h"
 #include "stdarg.h"
 #include "head.h"
+#include "rtthread.h"
 
 #define PRINT_BASE_ADDR *(uint8_t *)0x40000000
 
@@ -32,36 +33,36 @@ int my_printf(const char* fmt, ...) {
 
 
 
-int add(int a, int b) {
-  return a+b;
-}
-
 
 char g_string[] = "string from ram";
 
 
+
+
+void task1(void* par) {
+  (void)par;
+  while (1) {
+    my_printf("task1: %s\n", g_string);
+    rt_thread_delay(500);
+  }
+}
+
+
+
+
+
 int main()
 {
-  int a=1;
-  int b=2;
-  typedef void (*fun_t)(void);
-  fun_t fun = (fun_t)0;
-  set_csr(mstatus, 0x00000008);
-  set_csr(mie, (1 << 3) | (1 << 7));
-  set_csr(mip, (1 << 3));
-  fun();
-  int c = add(a, b);
   my_printf("Hello World! %s\n", "Andy");
-  my_printf("add(%d, %d)=%d\n", a, b, c);
-  a = 67;b = -78;
-  fun=(fun_t)0xff000000;
-  fun();
-  my_printf("mul(%d, %d)=%d\n", a, b, a * b);
-  my_printf("ram_val test: %s\n", g_string);
-  cpu_test();
+  // cpu_test();
 
+  rt_thread_t t = rt_thread_create("task1", task1, 0, 1024, 10, 10);
+  (void)t;
+  rt_thread_startup(t);
   my_printf("enter while 1\n");
   while (1) {
+    my_printf("main: %s\n", g_string);
+    rt_thread_delay(1000);
   }
   return 0;
 }