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/*
* EFI application tables support
*
* Copyright (c) 2016 Alexander Graf
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <efi_loader.h>
#include <inttypes.h>
#include <smbios.h>
static const efi_guid_t smbios_guid = SMBIOS_TABLE_GUID;
void efi_smbios_register(void)
{
/* Map within the low 32 bits, to allow for 32bit SMBIOS tables */
uint64_t dmi = 0xffffffff;
/* Reserve 4kb for SMBIOS */
uint64_t pages = 1;
int memtype = EFI_RUNTIME_SERVICES_DATA;
if (efi_allocate_pages(1, memtype, pages, &dmi) != EFI_SUCCESS)
return;
/* Generate SMBIOS tables */
write_smbios_table(dmi);
/* And expose them to our EFI payload */
efi_install_configuration_table(&smbios_guid, (void*)(uintptr_t)dmi);
}
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