📄 544.html
字号:
<html>
<head>
<title>outb</title>
<meta name='robots' content='noindex,nofollow'>
<meta name='generator' content='GLOBAL-5.4.1'>
</head>
<body text='#191970' bgcolor='#f5f5dc' vlink='gray'>
<pre>
<a href='../S/55.html#L315'>outb</a> 315 kernel/blk_drv/floppy.c outb (byte, FD_DATA);
<a href='../S/55.html#L601'>outb</a> 601 kernel/blk_drv/floppy.c outb (current_DOR, FD_DOR); // 再启动软盘控制器。
<a href='../S/55.html#L620'>outb</a> 620 kernel/blk_drv/floppy.c outb (current_DOR, FD_DOR); // 向数字输出寄存器输出当前DOR。
<a href='../S/55.html#L693'>outb</a> 693 kernel/blk_drv/floppy.c outb (inb_p (0x21) & ~0x40, 0x21); // 复位软盘的中断请求屏蔽位，允许
<a href='../S/56.html#L273'>outb</a> 273 kernel/blk_drv/hd.c outb (cmd, ++port); // 命令：硬盘控制命令。
<a href='../S/56.html#L298'>outb</a> 298 kernel/blk_drv/hd.c outb (4, HD_CMD); // 向控制寄存器端口发送控制字节(4-复位)。
<a href='../S/56.html#L301'>outb</a> 301 kernel/blk_drv/hd.c outb (hd_info[0].ctl & 0x0f, HD_CMD); // 再发送正常的控制字节(不禁止重试、重读)。
<a href='../S/56.html#L470'>outb</a> 470 kernel/blk_drv/hd.c outb (inb_p (0xA1) & 0xbf, 0xA1); // 复位硬盘的中断请求屏蔽位（在从片上），允许
<a href='../S/60.html#L957'>outb</a> 957 kernel/chr_drv/console.c outb (a, 0x61); // 再允许键盘工作，用以复位键盘操作。
<a href='../S/60.html#L968'>outb</a> 968 kernel/chr_drv/console.c outb (inb_p (0x61) & 0xFC, 0x61);
<a href='../S/60.html#L986'>outb</a> 986 kernel/chr_drv/console.c outb (0x06, 0x42);
<a href='../S/64.html#L63'>outb</a> 63 kernel/chr_drv/serial.c outb (inb_p (0x21) & 0xE7, 0x21); // 允许主8259A 芯片的IRQ3，IRQ4 中断信号请求。
<a href='../S/64.html#L86'>outb</a> 86 kernel/chr_drv/serial.c outb (inb_p (tty->write_q.data + 1) | 0x02, tty->write_q.data + 1);
<a href='../S/66.html#L45'>outb</a> 45 kernel/chr_drv/tty_ioctl.c outb (0x03, port + 3); /* reset DLAB */// 复位DLAB。
<a href='../S/74.html#L319'>outb</a> 319 kernel/sched.c outb (mask, FD_DOR);
<a href='../S/74.html#L368'>outb</a> 368 kernel/sched.c outb (current_DOR, FD_DOR); // 更新数字输出寄存器。
<a href='../S/74.html#L579'>outb</a> 579 kernel/sched.c outb (LATCH >> 8, 0x40); /* MSB */// 定时值高字节。
<a href='../S/74.html#L583'>outb</a> 583 kernel/sched.c outb (inb_p (0x21) & ~0x01, 0x21);
<a href='../S/79.html#L206'>outb</a> 206 kernel/traps.c outb(inb_p(0xA1)&0xdf,0xA1);
</pre>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -