Files
chipyard/tests/mmio.h
2017-06-26 20:25:37 -07:00

31 lines
591 B
C

#ifndef __MMIO_H__
#define __MMIO_H__
#include <stdint.h>
static inline void reg_write32(uintptr_t addr, uint32_t data)
{
volatile uint32_t *ptr = (volatile uint32_t *) addr;
*ptr = data;
}
static inline uint32_t reg_read32(uintptr_t addr)
{
volatile uint32_t *ptr = (volatile uint32_t *) addr;
return *ptr;
}
static inline void reg_write64(unsigned long addr, uint64_t data)
{
volatile uint64_t *ptr = (volatile uint64_t *) addr;
*ptr = data;
}
static inline uint64_t reg_read64(unsigned long addr)
{
volatile uint64_t *ptr = (volatile uint64_t *) addr;
return *ptr;
}
#endif