2018-10-16 09:01:38 +00:00
|
|
|
#pragma once
|
|
|
|
|
2019-04-06 12:29:29 +00:00
|
|
|
#include <AK/Types.h>
|
2018-10-16 09:01:38 +00:00
|
|
|
|
|
|
|
namespace IO {
|
|
|
|
|
2019-07-03 19:17:35 +00:00
|
|
|
inline u8 in8(u16 port)
|
2018-11-02 08:49:10 +00:00
|
|
|
{
|
2019-07-03 19:17:35 +00:00
|
|
|
u8 value;
|
2019-05-28 09:53:16 +00:00
|
|
|
asm volatile("inb %1, %0"
|
|
|
|
: "=a"(value)
|
|
|
|
: "Nd"(port));
|
2018-11-02 08:49:10 +00:00
|
|
|
return value;
|
|
|
|
}
|
2018-10-16 09:01:38 +00:00
|
|
|
|
2019-07-03 19:17:35 +00:00
|
|
|
inline u16 in16(u16 port)
|
2018-11-02 08:49:10 +00:00
|
|
|
{
|
2019-07-03 19:17:35 +00:00
|
|
|
u16 value;
|
2019-05-28 09:53:16 +00:00
|
|
|
asm volatile("inw %1, %0"
|
|
|
|
: "=a"(value)
|
|
|
|
: "Nd"(port));
|
2018-11-02 08:49:10 +00:00
|
|
|
return value;
|
|
|
|
}
|
2018-10-16 09:01:38 +00:00
|
|
|
|
2019-07-03 19:17:35 +00:00
|
|
|
inline u32 in32(u16 port)
|
2018-11-02 08:49:10 +00:00
|
|
|
{
|
2019-07-03 19:17:35 +00:00
|
|
|
u32 value;
|
2019-05-28 09:53:16 +00:00
|
|
|
asm volatile("inl %1, %0"
|
|
|
|
: "=a"(value)
|
|
|
|
: "Nd"(port));
|
2018-11-02 08:49:10 +00:00
|
|
|
return value;
|
|
|
|
}
|
|
|
|
|
2019-07-03 19:17:35 +00:00
|
|
|
inline void repeated_in16(u16 port, u8* buffer, int buffer_size)
|
2019-04-23 01:45:55 +00:00
|
|
|
{
|
2019-05-28 09:53:16 +00:00
|
|
|
asm volatile("rep insw"
|
|
|
|
: "+D"(buffer), "+c"(buffer_size)
|
|
|
|
: "d"(port)
|
|
|
|
: "memory");
|
2019-04-23 01:45:55 +00:00
|
|
|
}
|
|
|
|
|
2019-07-03 19:17:35 +00:00
|
|
|
inline void out8(u16 port, u8 value)
|
2018-11-02 08:49:10 +00:00
|
|
|
{
|
2019-05-28 09:53:16 +00:00
|
|
|
asm volatile("outb %0, %1" ::"a"(value), "Nd"(port));
|
2018-11-02 08:49:10 +00:00
|
|
|
}
|
|
|
|
|
2019-07-03 19:17:35 +00:00
|
|
|
inline void out16(u16 port, u16 value)
|
2018-11-02 08:49:10 +00:00
|
|
|
{
|
2019-05-28 09:53:16 +00:00
|
|
|
asm volatile("outw %0, %1" ::"a"(value), "Nd"(port));
|
2018-11-02 08:49:10 +00:00
|
|
|
}
|
|
|
|
|
2019-07-03 19:17:35 +00:00
|
|
|
inline void out32(u16 port, u32 value)
|
2018-11-02 08:49:10 +00:00
|
|
|
{
|
2019-05-28 09:53:16 +00:00
|
|
|
asm volatile("outl %0, %1" ::"a"(value), "Nd"(port));
|
2018-11-02 08:49:10 +00:00
|
|
|
}
|
2019-04-23 01:45:55 +00:00
|
|
|
|
2019-07-03 19:17:35 +00:00
|
|
|
inline void repeated_out16(u16 port, const u8* data, int data_size)
|
2019-04-23 01:45:55 +00:00
|
|
|
{
|
2019-05-28 09:53:16 +00:00
|
|
|
asm volatile("rep outsw"
|
|
|
|
: "+S"(data), "+c"(data_size)
|
|
|
|
: "d"(port));
|
2019-04-23 01:45:55 +00:00
|
|
|
}
|
|
|
|
|
2019-07-12 17:28:01 +00:00
|
|
|
inline void delay()
|
|
|
|
{
|
|
|
|
// ~3 microsecs
|
|
|
|
for (auto i = 0; i < 32; i++) {
|
|
|
|
IO::in8(0x80);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-10-16 09:01:38 +00:00
|
|
|
}
|