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-rw-r--r--src/arch/riscv/include/arch/io.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/arch/riscv/include/arch/io.h b/src/arch/riscv/include/arch/io.h
index 804d7dc1b1..5bc10c0cd4 100644
--- a/src/arch/riscv/include/arch/io.h
+++ b/src/arch/riscv/include/arch/io.h
@@ -45,4 +45,34 @@ static inline uint32_t inl(uint16_t port)
return 0;
}
+static inline __attribute__((always_inline)) uint8_t read8(const volatile void *addr)
+{
+ return *((volatile uint8_t *)(addr));
+}
+
+static inline __attribute__((always_inline)) uint16_t read16(const volatile void *addr)
+{
+ return *((volatile uint16_t *)(addr));
+}
+
+static inline __attribute__((always_inline)) uint32_t read32(const volatile void *addr)
+{
+ return *((volatile uint32_t *)(addr));
+}
+
+static inline __attribute__((always_inline)) void write8(volatile void *addr, uint8_t value)
+{
+ *((volatile uint8_t *)(addr)) = value;
+}
+
+static inline __attribute__((always_inline)) void write16(volatile void *addr, uint16_t value)
+{
+ *((volatile uint16_t *)(addr)) = value;
+}
+
+static inline __attribute__((always_inline)) void write32(volatile void *addr, uint32_t value)
+{
+ *((volatile uint32_t *)(addr)) = value;
+}
+
#endif