1 use crate::include::bindings::bindings::{io_in8, io_out8};
104             io_out8(port + 1, 0x00); // Disable all interrupts  in uart_init()
105             io_out8(port + 3, 0x80); // Enable DLAB (set baud rate divisor)  in uart_init()
109             io_out8(port + 0, (divisor & 0xff) as u8); // Set divisor  (lo byte)  in uart_init()
110             io_out8(port + 1, ((divisor >> 8) & 0xff) as u8); //                  (hi byte)  in uart_init()
111             io_out8(port + 3, 0x03); // 8 bits, no parity, one stop bit  in uart_init()
112             io_out8(port + 2, 0xC7); // Enable FIFO, clear them, with 14-byte threshold  in uart_init()
113 …io_out8(port + 4, 0x08); // IRQs enabled, RTS/DSR clear (现代计算机上一般都不需要hardware flow control，因此不需要置位…  in uart_init()
114             io_out8(port + 4, 0x1E); // Set in loopback mode, test the serial chip  in uart_init()
115 …io_out8(port + 0, 0xAE); // Test serial chip (send byte 0xAE and check if serial returns same byte)  in uart_init()
124             io_out8(port + 4, 0x08);  in uart_init()
164                     io_out8(port, c);  in uart_send()
188         io_out8(port, c);  in c_uart_send()
228         io_out8(port + 1, 0x00); // Disable all interrupts  in c_uart_init()
229         io_out8(port + 3, 0x80); // Enable DLAB (set baud rate divisor)  in c_uart_init()
233         io_out8(port + 0, (divisor & 0xff) as u8); // Set divisor  (lo byte)  in c_uart_init()
234         io_out8(port + 1, ((divisor >> 8) & 0xff) as u8); //                  (hi byte)  in c_uart_init()
235         io_out8(port + 3, 0x03); // 8 bits, no parity, one stop bit  in c_uart_init()
236         io_out8(port + 2, 0xC7); // Enable FIFO, clear them, with 14-byte threshold  in c_uart_init()
237 …io_out8(port + 4, 0x08); // IRQs enabled, RTS/DSR clear (现代计算机上一般都不需要hardware flow control，因此不需要置位…  in c_uart_init()
238         io_out8(port + 4, 0x1E); // Set in loopback mode, test the serial chip  in c_uart_init()
239 …io_out8(port + 0, 0xAE); // Test serial chip (send byte 0xAE and check if serial returns same byte)  in c_uart_init()
248         io_out8(port + 4, 0x08);  in c_uart_init()