ADD file via upload

cur/linux/kernel/chr_drv/mouse.S

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+# 1 "mouse.S"
+# 1 "<built-in>"
+# 1 "<command-line>"
+# 1 "mouse.S"
+# 1 "mouse.S"
+# 1 "<built-in>"
+# 1 "<command-line>"
+# 1 "mouse.S"
+
+# 1 "../../include/linux/config.h" 1
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+# 36 "../../include/linux/config.h"
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+# 47 "../../include/linux/config.h"
+
+# 2 "mouse.S" 2
+.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
+	xor %eax,%eax
+#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
+	inb $0x60,%al		#读入鼠标数据
+	pushl %eax
+	call readmouse		#调用c函数进行细致处理
+    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