47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
#ifndef __MMIO_H__
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#define __MMIO_H__
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#include <stdint.h>
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static inline void reg_write8(uintptr_t addr, uint8_t data) {
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volatile uint8_t *ptr = (volatile uint8_t *)addr;
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*ptr = data;
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}
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static inline uint8_t reg_read8(uintptr_t addr) {
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volatile uint8_t *ptr = (volatile uint8_t *)addr;
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return *ptr;
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}
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static inline void reg_write16(uintptr_t addr, uint16_t data) {
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volatile uint16_t *ptr = (volatile uint16_t *)addr;
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*ptr = data;
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}
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static inline uint16_t reg_read16(uintptr_t addr) {
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volatile uint16_t *ptr = (volatile uint16_t *)addr;
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return *ptr;
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}
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static inline void reg_write32(uintptr_t addr, uint32_t data) {
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volatile uint32_t *ptr = (volatile uint32_t *)addr;
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*ptr = data;
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}
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static inline uint32_t reg_read32(uintptr_t addr) {
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volatile uint32_t *ptr = (volatile uint32_t *)addr;
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return *ptr;
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}
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static inline void reg_write64(unsigned long addr, uint64_t data) {
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volatile uint64_t *ptr = (volatile uint64_t *)addr;
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*ptr = data;
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}
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static inline uint64_t reg_read64(unsigned long addr) {
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volatile uint64_t *ptr = (volatile uint64_t *)addr;
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return *ptr;
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}
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#endif
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