80 lines
1.7 KiB
C
80 lines
1.7 KiB
C
/*
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* Copyright (C) 2021 Intel Corporation.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <types.h>
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#include <errno.h>
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#include <asm/pgtable.h>
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#include <boot.h>
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#include <rtl.h>
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#include <logmsg.h>
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static struct acrn_boot_info acrn_bi = { 0 };
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/**
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* @pre (p_start != NULL) && (p_end != NULL)
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*/
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void get_boot_mods_range(uint64_t *p_start, uint64_t *p_end)
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{
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uint32_t i;
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uint64_t start = ~0UL, end = 0UL;
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struct acrn_boot_info *abi = get_acrn_boot_info();
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for (i = 0; i < abi->mods_count; i++) {
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if (hva2hpa(abi->mods[i].start) < start) {
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start = hva2hpa(abi->mods[i].start);
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}
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if (hva2hpa(abi->mods[i].start + abi->mods[i].size) > end) {
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end = hva2hpa(abi->mods[i].start + abi->mods[i].size);
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}
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}
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*p_start = start;
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*p_end = end;
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}
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void init_acrn_boot_info(uint32_t *registers)
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{
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(void)init_multiboot_info(registers);
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/* TODO: add more boot protocol support here */
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}
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int32_t sanitize_acrn_boot_info(struct acrn_boot_info *abi)
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{
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int32_t abi_status = 0;
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if (abi->mods_count == 0U) {
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pr_err("no boot module info found");
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abi_status = -EINVAL;
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}
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if (abi->mmap_entries == 0U) {
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pr_err("no boot mmap info found");
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abi_status = -EINVAL;
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}
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printf("%s environment detected.\n", boot_from_uefi(abi) ? "UEFI" : "Non-UEFI");
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if (boot_from_uefi(abi) && ((abi->uefi_info.memmap == 0U) || (abi->uefi_info.memmap_hi != 0U))) {
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pr_err("no efi memmap found below 4GB space!");
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abi_status = -EINVAL;
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}
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if (abi->loader_name[0] == '\0') {
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pr_err("no bootloader name found!");
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abi_status = -EINVAL;
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} else {
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printf("%s Bootloader: %s\n", abi->protocol_name, abi->loader_name);
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}
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return abi_status;
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}
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/*
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* @post retval != NULL
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*/
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struct acrn_boot_info *get_acrn_boot_info(void)
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{
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return &acrn_bi;
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}
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