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separate mmio read/write functions by size

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This commit is contained in:
Howard Mao
2017-06-26 20:25:37 -07:00
parent f766dcc550
commit 8d029185ca
3 changed files with 39 additions and 25 deletions
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22
tests/mmio.h
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@@ -1,15 +1,29 @@
#ifndef __MMIO_H__
#define __MMIO_H__
static inline void write_reg(unsigned long addr, unsigned int data)
#include <stdint.h>
static inline void reg_write32(uintptr_t addr, uint32_t data)
{
volatile unsigned int *ptr = (volatile unsigned int *) addr;
volatile uint32_t *ptr = (volatile uint32_t *) addr;
*ptr = data;
}
static inline unsigned long read_reg(unsigned long addr)
static inline uint32_t reg_read32(uintptr_t addr)
{
volatile unsigned int *ptr = (volatile unsigned int *) 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;
}