blob: dace9afc610b2ce222d62320e96320de624647de [file] [log] [blame]
/*
* Copyright 2019 The Hafnium Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "hf/boot_flow.h"
#include "hf/dlog.h"
#include "hf/fdt_handler.h"
#include "hf/plat/boot_flow.h"
/**
* Extract the boot parameters from the FDT and the boot-flow driver.
*/
bool boot_flow_get_params(struct boot_params *p,
const struct fdt_node *fdt_root)
{
struct string memory = STRING_INIT("memory");
struct string device_memory = STRING_INIT("device-memory");
p->mem_ranges_count = 0;
p->kernel_arg = plat_boot_flow_get_kernel_arg();
return plat_boot_flow_get_initrd_range(fdt_root, &p->initrd_begin,
&p->initrd_end) &&
fdt_find_cpus(fdt_root, p->cpu_ids, &p->cpu_count) &&
fdt_find_memory_ranges(fdt_root, &memory, p->mem_ranges,
&p->mem_ranges_count, MAX_MEM_RANGES) &&
fdt_find_memory_ranges(
fdt_root, &device_memory, p->device_mem_ranges,
&p->device_mem_ranges_count, MAX_DEVICE_MEM_RANGES);
}
/**
* Takes action on any updates that were generated.
*/
bool boot_flow_update(struct mm_stage1_locked stage1_locked,
const struct manifest *manifest,
struct boot_params_update *p, struct memiter *cpio,
struct mpool *ppool)
{
return plat_boot_flow_update(stage1_locked, manifest, p, cpio, ppool);
}