29 lines
749 B
C
29 lines
749 B
C
/*
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* Copyright (C) 2019 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 <vacpi.h>
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/**
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* @pre vm != NULL
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* @pre vm->vm_id < CONFIG_MAX_VM_NUM
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*/
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void build_vrsdp(struct acrn_vm *vm)
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{
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struct acpi_table_rsdp rsdp = {
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.signature = ACPI_SIG_RSDP,
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.oem_id = ACPI_OEM_ID,
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.revision = 0x2U,
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.length = ACPI_RSDP_XCHECKSUM_LENGTH,
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.xsdt_physical_address = VIRT_XSDT_ADDR,
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};
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rsdp.checksum = calculate_checksum8(&rsdp, ACPI_RSDP_CHECKSUM_LENGTH);
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rsdp.extended_checksum = calculate_checksum8(&rsdp, ACPI_RSDP_XCHECKSUM_LENGTH);
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/* Copy RSDP table to guest physical memory F segment */
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(void)copy_to_gpa(vm, &rsdp, VIRT_RSDP_ADDR, ACPI_RSDP_XCHECKSUM_LENGTH);
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}
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