banan-os/kernel/include/kernel/MMIO.h

49 lines
828 B
C++

#pragma once
#include <stdint.h>
#include <stddef.h>
namespace MMIO
{
static inline void write8(uintptr_t addr, uint8_t val)
{
*(volatile uint8_t*)addr = val;
}
static inline void write16(uintptr_t addr, uint16_t val)
{
*(volatile uint16_t*)addr = val;
}
static inline void write32(uintptr_t addr, uint32_t val)
{
*(volatile uint32_t*)addr = val;
}
static inline void write64(uintptr_t addr, uint64_t val)
{
*(volatile uint64_t*)addr = val;
}
static inline uint8_t read8(uintptr_t addr)
{
return *(volatile uint8_t*)addr;
}
static inline uint16_t read16(uintptr_t addr)
{
return *(volatile uint16_t*)addr;
}
static inline uint32_t read32(uintptr_t addr)
{
return *(volatile uint32_t*)addr;
}
static inline uint64_t read64(uintptr_t addr)
{
return *(volatile uint64_t*)addr;
}
}