From 703069b467329c8c27c06e62ad61b915e9079ac6 Mon Sep 17 00:00:00 2001
From: p6a8nelzg <1973393745@qq.com>
Date: Fri, 1 Jul 2022 11:10:50 +0800
Subject: [PATCH] ADD file via upload

---
 mouse.S | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 mouse.S

diff --git a/mouse.S b/mouse.S
new file mode 100644
index 0000000..03c0aaa
--- /dev/null
+++ b/mouse.S
@@ -0,0 +1,52 @@
+#include<linux/config.h>
+.globl mouse_interrupt
+mouse_interrupt:
+    pushl %eax
+    pushl %ebx
+    pushl %ecx
+    pushl %edx
+
+    push %ds
+    movl $0x10,%eax
+    mov %ax,%ds         #为后面的call做准备
+    
+    #inb %ax,%ds
+    #call readmouse      #调用c函数进行细致处理
+
+#鼠标对应数据寄存器端口是$0x60,通过inb命令将该数据寄存器中
+#存放的一个字节信息读入到寄存器AL中，
+#用户对鼠标的全部信息包含在这一个字节的数据编码里
+xor %eax,%eax 
+        inb $0x60,%al
+        pushl %eax
+        call readmouse
+        addl $4,%esp
+
+xor %eax,%eax 
+        inb $0x60,%al
+        pushl %eax
+        call readmouse
+        addl $4,%esp
+
+xor %eax,%eax 
+        inb $0x60,%al          #读入鼠标数据
+        pushl %eax
+        call readmouse
+        addl $4,%esp
+
+xor %eax,%eax 
+        inb $0x60,%al
+        pushl %eax
+        call readmouse
+        addl $4,%esp   
+#在mouse_interupt 处理完中断以后，给8259A发送结束中断(EOI)指令
+    movb $0x20,%al
+    outb %al,$0xA0
+    outb %al,$0x20
+
+    pop %ds
+    popl %edx
+    popl %ecx
+    popl %ebx     
+    popl %eax
+    iret
\ No newline at end of file