1 files changed, 26 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/memory.c b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/memory.c
new file mode 100644
index 000000000..05ab7ead2
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/memory.c
@@ -0,0 +1,26 @@
+/* Copyright 2019 SiFive, Inc */
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#include <metal/machine.h>
+#include <metal/memory.h>
+
+struct metal_memory *metal_get_memory_from_address(const uintptr_t address) {
+	for(int i = 0; i < __METAL_DT_MAX_MEMORIES; i++) {
+		struct metal_memory *mem = __metal_memory_table[i];
+
+		uintptr_t lower_bound = metal_memory_get_base_address(mem);
+		uintptr_t upper_bound  = lower_bound + metal_memory_get_size(mem);
+
+		if((address >= lower_bound) && (address < upper_bound)) {
+			return mem;
+		}
+	}
+
+	return NULL;
+}
+
+extern __inline__ uintptr_t metal_memory_get_base_address(const struct metal_memory *memory);
+extern __inline__ size_t metal_memory_get_size(const struct metal_memory *memory);
+extern __inline__ int metal_memory_supports_atomics(const struct metal_memory *memory);
+extern __inline__ int metal_memory_is_cachable(const struct metal_memory *memory);
+