Update TTY

src/driver/keyboard.c

@@ -89,6 +89,21 @@ unsigned char shift_keyboard_map[128] =
                 0,	/* All other keys are undefined */
         };
 
+char keytable[0x54] = { // 按下Shift
+        0,   0x01, '!', '@', '#', '$', '%',  '^', '&', '*', '(', ')', '_', '+', '\b', '\t', 'Q',
+        'W', 'E',  'R', 'T', 'Y', 'U', 'I',  'O', 'P', '{', '}', 10,  0,   'A', 'S',  'D',  'F',
+        'G', 'H',  'J', 'K', 'L', ':', '\"', '~', 0,   '|', 'Z', 'X', 'C', 'V', 'B',  'N',  'M',
+        '<', '>',  '?', 0,   '*', 0,   ' ',  0,   0,   0,   0,   0,   0,   0,   0,    0,    0,
+        0,   0,    0,   '7', 'D', '8', '-',  '4', '5', '6', '+', '1', '2', '3', '0',  '.'};
+
+char keytable1[0x54] = { // 未按下Shift
+        0,   0x01, '1', '2', '3', '4', '5',  '6', '7', '8',  '9', '0', '-', '=', '\b', '\t', 'q',
+        'w', 'e',  'r', 't', 'y', 'u', 'i',  'o', 'p', '[',  ']', 10,  0,   'a', 's',  'd',  'f',
+        'g', 'h',  'j', 'k', 'l', ';', '\'', '`', 0,   '\\', 'z', 'x', 'c', 'v', 'b',  'n',  'm',
+        ',', '.',  '/', 0,   '*', 0,   ' ',  0,   0,   0,    0,   0,   0,   0,   0,    0,    0,
+        0,   0,    0,   '7', '8', '9', '-',  '4', '5', '6',  '+', '1', '2', '3', '0',  '.'};
+
+
 static void default_handle(uint32_t key,int release,char c){
     if(!release) {
         if(key == 42) {
@@ -146,8 +161,6 @@ int handle_keyboard_input(registers_t *reg){
 
     io_cli();
 
-    info("PS/2 Keyboard: %c : %08x",c,key);
-
     struct key_listener* h = head_listener;
     while (1){
         h->func(key,release,c);
@@ -224,3 +237,31 @@ void add_listener(struct key_listener* listener){
         }
     }
 }
+
+int kernel_getch() {
+    uint8_t ch;
+    ch = input_char_inSM(); // 扫描码
+    if (ch == 0xe0) {       // keytable之外的键（↑,↓,←,→）
+        ch = input_char_inSM();
+        if (ch == 0x48) { // ↑
+            return -1;
+        } else if (ch == 0x50) { // ↓
+            return -2;
+        } else if (ch == 0x4b) { // ←
+            return -3;
+        } else if (ch == 0x4d) { // →
+            return -4;
+        }
+    }
+    // 返回扫描码（keytable之内）对应的ASCII码
+    if (keytable[ch] == 0x00) {
+        return 0;
+    } else if (shift == 0 && caps_lock == 0) {
+        return keytable1[ch];
+    } else if (shift == 1 || caps_lock == 1) {
+        return keytable[ch];
+    } else if (shift == 1 && caps_lock == 1) {
+        return keytable1[ch];
+    }
+    return -1;
+}

src/include/task.h

@@ -3,6 +3,7 @@
 
 #include "memory.h"
 #include "vfs.h"
+#include "tty.h"
 
 typedef struct {
     int (*main)(int argc,char* * argv);
@@ -41,8 +42,9 @@ struct task_struct {
     int mem_size;                 // 内存利用率
     char *name;                   // 进程名
     void *stack;                  // 进程的内核栈地址
-    header_t *head;               // 进程堆
+    header_t *head;               // 进程堆链表头
     header_t *tail;
+    tty_t *tty;                   // 输入输出设备管理器
     vfs_t *vfs_now;               // 文件路径焦点
     bool isUser;                  // 是否是用户进程
     uint32_t program_break;       // 进程堆基址

src/include/tty.h

@@ -0,0 +1,20 @@
+#ifndef CRASHPOWEROS_TTY_H
+#define CRASHPOWEROS_TTY_H
+
+#include "common.h"
+#include "fifo.h"
+
+typedef struct tty{
+    uint32_t *frame_buffer; // 图形缓冲区映射
+    uint32_t width;
+    uint32_t height;
+    bool is_default_frame;  // 是否为根缓冲区
+    struct FIFO8 *fifo;     // 键盘输出缓冲区
+}tty_t;
+
+#include "task.h"
+
+void init_default_tty(struct task_struct *task);
+void free_tty(struct task_struct *task);
+
+#endif

src/kernel/task.c

@@ -145,12 +145,13 @@ void task_kill(int pid) {
     }
     argv->state = TASK_DEATH;
     printf("Taskkill process PID:%d Name:%s\n", argv->pid, argv->name);
-    kfree(argv);
+    free_tty(*argv);
     struct task_struct *head = running_proc_head;
     struct task_struct *last = NULL;
     while (1) {
         if (head->pid == argv->pid) {
             last->next = argv->next;
+            kfree(argv);
             io_sti();
             return;
         }
@@ -215,6 +216,8 @@ int32_t user_process(char *path, char *name){ // 用户进程创建
     new_task->program_break_end = USER_HEAP_END;
     new_task->name = name;
     new_task->isUser = 1;
+    new_task->tty = kmalloc(sizeof(tty_t));
+    init_default_tty(*new_task);
 
     extern char root_disk;
     vfs_change_disk(new_task,root_disk);
@@ -233,7 +236,7 @@ int32_t user_process(char *path, char *name){ // 用户进程创建
         alloc_frame(pg,0,1);
     }
 
-    char* buffer =  USER_EXEC_FILE_START;//user_alloc(new_task,size);
+    char* buffer =  USER_EXEC_FILE_START;
 
     memset(buffer,0,size);
     vfs_readfile(path,buffer);

src/kernel/tty.c

@@ -0,0 +1,25 @@
+#include "../include/tty.h"
+
+extern uint32_t *screen;
+extern uint32_t width, height;
+
+void init_default_tty(struct task_struct *task){
+    task->tty->fifo = kmalloc(sizeof(struct FIFO8));
+    char* buffer = kmalloc(256);
+
+    task->tty->frame_buffer = screen;
+    task->tty->width = width;
+    task->tty->height = height;
+    task->tty->is_default_frame = true;
+
+    fifo8_init(task->tty->fifo,256,buffer);
+}
+
+void free_tty(struct task_struct *task){
+    if(!task->tty->is_default_frame){
+        kfree(task->tty->frame_buffer);
+    }
+    kfree(task->tty->fifo->buf);
+    kfree(task->tty->fifo);
+    kfree(task->tty);
+}