FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/memory.c

/* 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);