mirror of
https://github.com/projectacrn/acrn-hypervisor.git
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56c52d0b95
The mi_flags is not needed any more so remove it from acrn_boot_info struct; Tracked-On: #5661 Signed-off-by: Victor Sun <victor.sun@intel.com> Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/*
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* Copyright (C) 2020 Intel Corporation. All rights reserved.
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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 "multiboot_priv.h"
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/**
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* @pre abi != NULL
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*/
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int32_t multiboot_to_acrn_bi(struct acrn_boot_info *abi, void *mb_info) {
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struct multiboot_info *mbi = (struct multiboot_info *)(hpa2hva_early((uint64_t)mb_info));
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struct multiboot_mmap *mmap = (struct multiboot_mmap *)hpa2hva_early((uint64_t)mbi->mi_mmap_addr);
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struct multiboot_module *mods = (struct multiboot_module *)hpa2hva_early((uint64_t)mbi->mi_mods_addr);
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abi->mi_cmdline = (char *)hpa2hva_early((uint64_t)mbi->mi_cmdline);
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abi->mi_loader_name = (char *)hpa2hva_early((uint64_t)mbi->mi_loader_name);
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abi->mi_mmap_entries = mbi->mi_mmap_length / sizeof(struct multiboot_mmap);
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abi->mi_mods_count = mbi->mi_mods_count;
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if (((mbi->mi_flags & MULTIBOOT_INFO_HAS_MMAP) != 0U) && (abi->mi_mmap_entries != 0U) && (mmap != NULL)) {
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if (abi->mi_mmap_entries > MAX_MMAP_ENTRIES) {
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abi->mi_mmap_entries = MAX_MMAP_ENTRIES;
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}
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(void)memcpy_s((void *)(&abi->mi_mmap_entry[0]),
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(abi->mi_mmap_entries * sizeof(struct multiboot_mmap)),
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mmap, (abi->mi_mmap_entries * sizeof(struct multiboot_mmap)));
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} else {
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abi->mi_mmap_entries = 0U;
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}
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if (((mbi->mi_flags & MULTIBOOT_INFO_HAS_MODS) != 0U) && (abi->mi_mods_count != 0U) && (mods != NULL)) {
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if (abi->mi_mods_count > MAX_MODULE_NUM) {
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abi->mi_mods_count = MAX_MODULE_NUM;
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}
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(void)memcpy_s((void *)(&abi->mi_mods[0]),
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(abi->mi_mods_count * sizeof(struct multiboot_module)),
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mods, (abi->mi_mods_count * sizeof(struct multiboot_module)));
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} else {
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abi->mi_mods_count = 0U;
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}
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return 0;
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}
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int32_t init_multiboot_info(uint32_t *registers)
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{
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int32_t ret = -ENODEV;
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uint32_t magic = registers[0];
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uint32_t info = registers[1];
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struct acrn_boot_info *abi = get_acrn_boot_info();
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if (boot_from_multiboot(magic, info)) {
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if (multiboot_to_acrn_bi(abi, hpa2hva_early((uint64_t)info)) == 0) {
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ret = 0;
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}
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}
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return ret;
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}
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