initial import to public repository

2026-04-14 10:39:45 +08:00 · 2021-10-27 19:14:51 +08:00
commit c632bed67e
362 changed files with 53748 additions and 0 deletions
--- a/materials/chapter4/syscall_write.S
+++ b/materials/chapter4/syscall_write.S
@@ -0,0 +1,15 @@
+.section .rodata                                                                
+    .align 3
+.hello:
+	.ascii	"Hello World!\012\000"
+
+    .text
+    .align 3
+    .global main
+main:
+    li $a7, 64            #write的系统调用号
+    li $a0, 1             #  fd == 1是stdout的文件描述符号
+    la.local $a1, .hello     # 字符串地址
+    li $a2, 14            # 字符串长度
+    syscall 0x0            
+    jr  $ra              # 返回