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x86_64: re-enable legacy PIC and PIT initialisation

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max 🍓
2024-09-17 17:48:26 +01:00
parent 3f992d84fb
commit d29b955ee8
6 changed files with 231 additions and 42 deletions
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27
arch/x86_64/include/arch/serial.h Normal file
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@@ -0,0 +1,27 @@
#ifndef ARCH_SERIAL_H_
#define ARCH_SERIAL_H_
#ifdef __cplusplus
extern "C" {
#endif
#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);
extern void early_serialcon_init(int baud);
#ifdef __cplusplus
}
#endif
#endif