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x86_64: add temporary serial driver for printk

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max 🍓
2023-02-08 21:28:14 +00:00
parent 56578dda38
commit b0b557d919
3 changed files with 50 additions and 0 deletions
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17
arch/x86_64/include/arch/serial.h Normal file
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#ifndef ARCH_SERIAL_H_
#define ARCH_SERIAL_H_
#define SERIAL_PORT_A 0x3F8
#define SERIAL_PORT_B 0x2F8
#define SERIAL_PORT_C 0x3E8
#define SERIAL_PORT_D 0x2E8
extern void serial_putchar(int port, char ch);
extern void serial_wait(int device);
extern void serial_send_byte(int device, char out);
extern char serial_recv_byte(int device);
extern int serial_rcvd(int device);
#endif