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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;
/*
* Install the SMBIOS table as a configuration table.
*
* @return status code
*/
efi_status_t efi_smbios_register(void)
{
/* Map within the low 32 bits, to allow for 32bit SMBIOS tables */
u64 dmi = U32_MAX;
efi_status_t ret;
/* Reserve 4kiB page for SMBIOS */
ret = efi_allocate_pages(EFI_ALLOCATE_MAX_ADDRESS,
EFI_RUNTIME_SERVICES_DATA, 1, &dmi);
if (ret != EFI_SUCCESS)
return ret;
/* Generate SMBIOS tables */
write_smbios_table(dmi);
/* And expose them to our EFI payload */
return efi_install_configuration_table(&smbios_guid,
(void *)(uintptr_t)dmi);
}
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