解决了一些小问题

kernel/driver/keyboard/ps2_keyboard.h

@@ -0,0 +1,221 @@
+#pragma once
+
+#include "../../common/glib.h"
+
+#define PS2_KEYBOARD_INTR_VECTOR 0x21   // 键盘的中断向量号
+
+// 定义键盘循环队列缓冲区大小为100bytes
+#define ps2_keyboard_buffer_size 100
+
+/**
+ * @brief 键盘循环队列缓冲区结构体
+ *
+ */
+struct ps2_keyboard_input_buffer
+{
+    unsigned char *ptr_head;
+    unsigned char *ptr_tail;
+    int count;
+    unsigned char buffer[ps2_keyboard_buffer_size];
+};
+
+#define PORT_PS2_KEYBOARD_DATA 0x60
+#define PORT_PS2_KEYBOARD_STATUS 0x64
+#define PORT_PS2_KEYBOARD_CONTROL 0x64
+
+#define PS2_KEYBOARD_COMMAND_WRITE 0x60 // 向键盘发送配置命令
+#define PS2_KEYBOARD_COMMAND_READ 0x20  // 读取键盘的配置值
+#define PS2_KEYBOARD_PARAM_INIT 0x47    // 初始化键盘控制器的配置值
+
+// ========= 检测键盘控制器输入/输出缓冲区是否已满
+#define PS2_KEYBOARD_FLAG_OUTBUF_FULL 0x01 // 键盘的输出缓冲区已满标志位
+#define PS2_KEYBOARD_FLAG_INBUF_FULL 0x02  // 键盘的输入缓冲区已满标志位
+
+// 等待向键盘控制器写入信息完成
+#define wait_ps2_keyboard_write() while (io_in8(PORT_PS2_KEYBOARD_STATUS) & PS2_KEYBOARD_FLAG_INBUF_FULL)
+// 等待从键盘控制器读取信息完成
+#define wait_ps2_keyboard_read() while (io_in8(PORT_PS2_KEYBOARD_STATUS) & PS2_KEYBOARD_FLAG_OUTBUF_FULL)
+
+// 128个按键, 每个按键包含普通按键和shift+普通按键两种状态
+#define NUM_SCAN_CODES 0x80
+#define MAP_COLS 2
+
+#define PAUSE_BREAK 1
+#define PRINT_SCREEN 2
+#define OTHER_KEY 4 // 除了上面两个按键以外的功能按键（不包括下面的第三类按键）
+#define FLAG_BREAK 0X80
+
+// 键盘扫描码有三种：
+// 0xE1开头的PauseBreak键
+// 0xE0开头的功能键
+// 1byte的普通按键
+
+// pause break键的扫描码，没错，它就是这么长
+unsigned char pause_break_scan_code[] = {0xe1, 0x1d, 0x45, 0xe1, 0x9d, 0xc5};
+
+// 第一套键盘扫描码 及其对应的字符
+uint keycode_map_normal[NUM_SCAN_CODES*MAP_COLS] = 
+{
+/*scan-code	unShift		Shift		*/
+/*--------------------------------------------------------------*/
+/*0x00*/	0,		0,
+/*0x01*/	0,		0,		//ESC
+/*0x02*/	'1',		'!',
+/*0x03*/	'2',		'@',
+/*0x04*/	'3',		'#',
+/*0x05*/	'4',		'$',
+/*0x06*/	'5',		'%',
+/*0x07*/	'6',		'^',
+/*0x08*/	'7',		'&',
+/*0x09*/	'8',		'*',
+/*0x0a*/	'9',		'(',
+/*0x0b*/	'0',		')',
+/*0x0c*/	'-',		'_',
+/*0x0d*/	'=',		'+',
+/*0x0e*/	'\b',		'\b',		//BACKSPACE	
+/*0x0f*/	'\t',		'\t',		//TAB
+
+/*0x10*/	'q',		'Q',
+/*0x11*/	'w',		'W',
+/*0x12*/	'e',		'E',
+/*0x13*/	'r',		'R',
+/*0x14*/	't',		'T',
+/*0x15*/	'y',		'Y',
+/*0x16*/	'u',		'U',
+/*0x17*/	'i',		'I',
+/*0x18*/	'o',		'O',
+/*0x19*/	'p',		'P',
+/*0x1a*/	'[',		'{',
+/*0x1b*/	']',		'}',
+/*0x1c*/	'\n',		'\n',		//ENTER
+/*0x1d*/	0x1d,		0x1d,		//CTRL Left
+/*0x1e*/	'a',		'A',
+/*0x1f*/	's',		'S',
+
+/*0x20*/	'd',		'D',
+/*0x21*/	'f',		'F',
+/*0x22*/	'g',		'G',
+/*0x23*/	'h',		'H',
+/*0x24*/	'j',		'J',
+/*0x25*/	'k',		'K',
+/*0x26*/	'l',		'L',
+/*0x27*/	';',		':',
+/*0x28*/	'\'',		'"',
+/*0x29*/	'`',		'~',
+/*0x2a*/	0x2a,		0x2a,		//SHIFT Left
+/*0x2b*/	'\\',		'|',
+/*0x2c*/	'z',		'Z',
+/*0x2d*/	'x',		'X',
+/*0x2e*/	'c',		'C',
+/*0x2f*/	'v',		'V',
+
+/*0x30*/	'b',		'B',
+/*0x31*/	'n',		'N',
+/*0x32*/	'm',		'M',
+/*0x33*/	',',		'<',
+/*0x34*/	'.',		'>',
+/*0x35*/	'/',		'?',
+/*0x36*/	0x36,		0x36,		//SHIFT Right
+/*0x37*/	'*',		'*',
+/*0x38*/	0x38,		0x38,		//ALT Left
+/*0x39*/	' ',		' ',
+/*0x3a*/	0,		0,		//CAPS LOCK
+/*0x3b*/	0,		0,		//F1
+/*0x3c*/	0,		0,		//F2
+/*0x3d*/	0,		0,		//F3
+/*0x3e*/	0,		0,		//F4
+/*0x3f*/	0,		0,		//F5
+
+/*0x40*/	0,		0,		//F6
+/*0x41*/	0,		0,		//F7
+/*0x42*/	0,		0,		//F8
+/*0x43*/	0,		0,		//F9
+/*0x44*/	0,		0,		//F10
+/*0x45*/	0,		0,		//NUM LOCK
+/*0x46*/	0,		0,		//SCROLL LOCK
+/*0x47*/	'7',		0,		/*PAD HONE*/
+/*0x48*/	'8',		0,		/*PAD UP*/
+/*0x49*/	'9',		0,		/*PAD PAGEUP*/
+/*0x4a*/	'-',		0,		/*PAD MINUS*/
+/*0x4b*/	'4',		0,		/*PAD LEFT*/
+/*0x4c*/	'5',		0,		/*PAD MID*/
+/*0x4d*/	'6',		0,		/*PAD RIGHT*/
+/*0x4e*/	'+',		0,		/*PAD PLUS*/
+/*0x4f*/	'1',		0,		/*PAD END*/
+
+/*0x50*/	'2',		0,		/*PAD DOWN*/
+/*0x51*/	'3',		0,		/*PAD PAGEDOWN*/
+/*0x52*/	'0',		0,		/*PAD INS*/
+/*0x53*/	'.',		0,		/*PAD DOT*/
+/*0x54*/	0,		0,
+/*0x55*/	0,		0,
+/*0x56*/	0,		0,
+/*0x57*/	0,		0,		//F11
+/*0x58*/	0,		0,		//F12
+/*0x59*/	0,		0,		
+/*0x5a*/	0,		0,
+/*0x5b*/	0,		0,
+/*0x5c*/	0,		0,
+/*0x5d*/	0,		0,
+/*0x5e*/	0,		0,
+/*0x5f*/	0,		0,
+
+/*0x60*/	0,		0,
+/*0x61*/	0,		0,
+/*0x62*/	0,		0,
+/*0x63*/	0,		0,
+/*0x64*/	0,		0,
+/*0x65*/	0,		0,
+/*0x66*/	0,		0,
+/*0x67*/	0,		0,
+/*0x68*/	0,		0,
+/*0x69*/	0,		0,
+/*0x6a*/	0,		0,
+/*0x6b*/	0,		0,
+/*0x6c*/	0,		0,
+/*0x6d*/	0,		0,
+/*0x6e*/	0,		0,
+/*0x6f*/	0,		0,
+
+/*0x70*/	0,		0,
+/*0x71*/	0,		0,
+/*0x72*/	0,		0,
+/*0x73*/	0,		0,
+/*0x74*/	0,		0,
+/*0x75*/	0,		0,
+/*0x76*/	0,		0,
+/*0x77*/	0,		0,
+/*0x78*/	0,		0,
+/*0x79*/	0,		0,
+/*0x7a*/	0,		0,
+/*0x7b*/	0,		0,
+/*0x7c*/	0,		0,
+/*0x7d*/	0,		0,
+/*0x7e*/	0,		0,
+/*0x7f*/	0,		0,
+};
+
+/**
+ * @brief 初始化键盘驱动程序的函数
+ *
+ */
+void ps2_keyboard_init();
+
+/**
+ * @brief 键盘驱动卸载函数
+ *
+ */
+void ps2_keyboard_exit();
+
+/**
+ * @brief 解析键盘扫描码
+ * 
+ */
+void ps2_keyboard_analyze_keycode();
+
+/**
+ * @brief 从缓冲队列中获取键盘扫描码
+ * @return 键盘扫描码
+ * 若缓冲队列为空则返回-1
+ */
+int ps2_keyboard_get_scancode();