arch/riscv64/kernel/pmem.c


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/* SPDX-License-Identifier: GPL-3.0-or-later */
/* Copyright 2021 - 2022, Kim Kuparinen < kimi.h.kuparinen@gmail.com > */

/**
 * @file pmem.c
 * riscv64 implementation of arch-specific physical memory handling
 */

#include <arch/pmem.h>

stat_t stat_pmem_conf(void *fdt, size_t *max_order, size_t *base_bits,
                      size_t bits[NUM_ORDERS])
{
	UNUSED(fdt);

	/* Sv39 for now */
	*max_order = 2;
	*base_bits = 12;
	/* we can assume bits[] is zeroed out beforehand */
	for (size_t i = 0; i <= *max_order; ++i)
		bits[i] = 9;

	return OK;
}