Inline the mmio accessor functions
Making the simple mmio_read_*() and mmio_write_*() functions inline
saves 360 bytes of code in FVP release build.
Fixes ARM-software/tf-issues#210
Change-Id: I65134f9069f3b2d8821d882daaa5fdfe16355e2f
diff --git a/include/lib/mmio.h b/include/lib/mmio.h
index 5d33c59..cb37a1c 100644
--- a/include/lib/mmio.h
+++ b/include/lib/mmio.h
@@ -33,13 +33,34 @@
#include <stdint.h>
-void mmio_write_8(uintptr_t addr, uint8_t value);
-uint8_t mmio_read_8(uintptr_t addr);
+static inline void mmio_write_8(uintptr_t addr, uint8_t value)
+{
+ *(volatile uint8_t*)addr = value;
+}
-void mmio_write_32(uintptr_t addr, uint32_t value);
-uint32_t mmio_read_32(uintptr_t addr);
+static inline uint8_t mmio_read_8(uintptr_t addr)
+{
+ return *(volatile uint8_t*)addr;
+}
-void mmio_write_64(uintptr_t addr, uint64_t value);
-uint64_t mmio_read_64(uintptr_t addr);
+static inline void mmio_write_32(uintptr_t addr, uint32_t value)
+{
+ *(volatile uint32_t*)addr = value;
+}
+
+static inline uint32_t mmio_read_32(uintptr_t addr)
+{
+ return *(volatile uint32_t*)addr;
+}
+
+static inline void mmio_write_64(uintptr_t addr, uint64_t value)
+{
+ *(volatile uint64_t*)addr = value;
+}
+
+static inline uint64_t mmio_read_64(uintptr_t addr)
+{
+ return *(volatile uint64_t*)addr;
+}
#endif /* __MMIO_H__ */