51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
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/*
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* Copyright (C) 2021 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 <asm/guest/vm.h>
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#include <vboot_info.h>
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/**
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* @pre vm != NULL
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*/
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static void prepare_loading_rawimage(struct acrn_vm *vm)
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{
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struct sw_kernel_info *sw_kernel = &(vm->sw.kernel_info);
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struct sw_module_info *acpi_info = &(vm->sw.acpi_info);
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const struct acrn_vm_config *vm_config = get_vm_config(vm->vm_id);
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uint64_t kernel_load_gpa;
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/* TODO: GPA 0 load support */
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kernel_load_gpa = vm_config->os_config.kernel_load_addr;
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/* Copy the guest kernel image to its run-time location */
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(void)copy_to_gpa(vm, sw_kernel->kernel_src_addr, kernel_load_gpa, sw_kernel->kernel_size);
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/* Copy Guest OS ACPI to its load location */
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load_sw_module(vm, acpi_info);
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sw_kernel->kernel_entry_addr = (void *)vm_config->os_config.kernel_entry_addr;
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}
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int32_t vm_rawimage_loader(struct acrn_vm *vm)
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{
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int32_t ret = 0;
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uint64_t vgdt_gpa = 0x800;
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/*
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* TODO:
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* - We need to initialize the guest bsp registers according to
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* guest boot mode (real mode vs protect mode)
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* - The memory layout usage is unclear, only GDT might be needed as its boot param.
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* currently we only support Zephyr which has no needs on cmdline/e820/efimmap/etc.
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* hardcode the vGDT GPA to 0x800 where is not used by Zephyr so far;
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*/
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init_vcpu_protect_mode_regs(vcpu_from_vid(vm, BSP_CPU_ID), vgdt_gpa);
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prepare_loading_rawimage(vm);
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return ret;
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}
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