添加rtthread相关代码

2025-06-13 14:38:32 +08:00
parent caf2d9f0c5
commit 160f9f8201
1809 changed files with 648100 additions and 10 deletions
--- a/riscv/startup/test.c
+++ b/riscv/startup/test.c
@@ -0,0 +1,129 @@
+
+#include "stdint.h"
+#include "head.h"
+
+
+
+// 无符号大小比较
+void test1(uint32_t a,uint32_t b){
+  if(a>b){
+    my_printf("%u>%u\n",a,b);
+  }else if(a<b){
+    my_printf("%u<%u\n",a,b);
+  }else{
+    my_printf("%u==%u\n",a,b);
+  }
+}
+
+
+// 有符号大小比较
+void test2(int32_t a,int32_t b){
+  if(a>b){
+    my_printf("%d>%d\n",a,b);
+  }else if(a<b){
+    my_printf("%d<%d\n",a,b);
+  }else{
+    my_printf("%d==%d\n",a,b);
+  }
+}
+
+// uint16_t 大小比较
+void test3(uint16_t a,uint16_t b){
+  if(a>b){
+    my_printf("%u>%u\n",a,b);
+  }else if(a<b){
+    my_printf("%u<%u\n",a,b);
+  }else{
+    my_printf("%u==%u\n",a,b);
+  }
+}
+
+void test4(int16_t a,int16_t b){
+  if(a>b){
+    my_printf("%d>%d\n",a,b);
+  }else if(a<b){
+    my_printf("%d<%d\n",a,b);
+  }else{
+    my_printf("%d==%d\n",a,b);
+  }
+}
+
+
+// uint8_t 大小比较
+void test5(uint8_t a,uint8_t b){
+  if(a>b){
+    my_printf("%u>%u\n",a,b);
+  }else if(a<b){
+    my_printf("%u<%u\n",a,b);
+  }else{
+    my_printf("%u==%u\n",a,b);
+  }
+}
+
+void test6(int8_t a,int8_t b){
+  if(a>b){
+    my_printf("%d>%d\n",a,b);
+  }else if(a<b){
+    my_printf("%d<%d\n",a,b);
+  }else{
+    my_printf("%d==%d\n",a,b);
+  }
+}
+
+
+
+void test7(uint32_t a,int b){
+  my_printf("shift right %08x, %08x\n",a,a>>b);
+}
+
+void test8(int32_t a,int b){
+  my_printf("shift right %08x, %08x\n",a,a>>b);
+}
+
+void test9(uint16_t a,int b){
+  my_printf("shift right %08x, %08x\n",a,a>>b);
+}
+
+void test10(int16_t a,int b){
+  my_printf("shift right %08x, %08x\n",a,a>>b);
+}
+
+void test11(uint8_t a,int b){
+  my_printf("shift right %08x, %08x\n",a,a>>b);
+}
+
+void test12(int8_t a,int b){
+  my_printf("shift right %08x, %08x\n",a,a>>b);
+}
+
+void cpu_test() {
+
+  my_printf("test 32 bit\n");
+  test1(1,2);
+  test1(1,-2);
+  test2(1,2);
+  test2(1,-2);
+
+  my_printf("test 16 bit\n");
+  test3(1,2);
+  test3(1,-2);
+  test4(1,2);
+  test4(1,-2);
+  
+  my_printf("test 8 bit\n");
+  test5(1,2);
+  test5(1,-2);
+  test6(1,2);
+  test6(1,-2);
+
+  my_printf("shift test\n");
+  test7(0x80000000,7);
+  test8(0x80000000,7);
+  test9(0x8000,7);
+  test10(0x8000,7);
+  test11(0x80,7);
+  test12(0x80,7);
+
+}
+
+