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-rw-r--r--src/arch/x86/include/arch/io.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/io.h b/src/arch/x86/include/arch/io.h
index c194379bb6..a59ac2c50b 100644
--- a/src/arch/x86/include/arch/io.h
+++ b/src/arch/x86/include/arch/io.h
@@ -174,6 +174,14 @@ static inline __attribute__((always_inline)) uint32_t read32(
return *((volatile uint32_t *)(addr));
}
+#ifndef __ROMCC__
+static inline __attribute__((always_inline)) uint64_t read64(
+ const volatile void *addr)
+{
+ return *((volatile uint64_t *)(addr));
+}
+#endif
+
static inline __attribute__((always_inline)) void write8(volatile void *addr,
uint8_t value)
{
@@ -192,6 +200,14 @@ static inline __attribute__((always_inline)) void write32(volatile void *addr,
*((volatile uint32_t *)(addr)) = value;
}
+#ifndef __ROMCC__
+static inline __attribute__((always_inline)) void write64(volatile void *addr,
+ uint64_t value)
+{
+ *((volatile uint64_t *)(addr)) = value;
+}
+#endif
+
/* Conflicts with definition in lib.h */
#if defined(__ROMCC__)
static inline int log2(u32 value)