688023cd0a
The following are two use cases from Rajat Jain <rajatjain@juniper.net>:
1) We have a board that boots Linux and this board itself can be plugged
into one of different chassis types. We need to pass different
parameters to the kernel based on the "CHASSIS_TYPE" information
that is passed by the bios in the DMI/SMBIOS tables.
2) We may have a USB stick that can go into multiple boards, and the
exact kernel to be loaded depends on the machine information
(PRODUCT_NAME etc) passed via the DMI.
Signed-off-by: David Michael <fedora.dm0@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
/* Register SMBIOS and ACPI tables. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/err.h>
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#include <grub/efiemu/efiemu.h>
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#include <grub/misc.h>
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#include <grub/mm.h>
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#include <grub/acpi.h>
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#include <grub/smbios.h>
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grub_err_t
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grub_machine_efiemu_init_tables (void)
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{
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void *table;
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grub_err_t err;
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grub_efi_guid_t smbios = GRUB_EFI_SMBIOS_TABLE_GUID;
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grub_efi_guid_t acpi20 = GRUB_EFI_ACPI_20_TABLE_GUID;
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grub_efi_guid_t acpi = GRUB_EFI_ACPI_TABLE_GUID;
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err = grub_efiemu_unregister_configuration_table (smbios);
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if (err)
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return err;
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err = grub_efiemu_unregister_configuration_table (acpi);
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if (err)
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return err;
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err = grub_efiemu_unregister_configuration_table (acpi20);
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if (err)
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return err;
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table = grub_acpi_get_rsdpv1 ();
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if (table)
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{
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err = grub_efiemu_register_configuration_table (acpi, 0, 0, table);
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if (err)
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return err;
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}
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table = grub_acpi_get_rsdpv2 ();
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if (table)
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{
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err = grub_efiemu_register_configuration_table (acpi20, 0, 0, table);
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if (err)
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return err;
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}
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table = grub_smbios_get_eps ();
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if (table)
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{
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err = grub_efiemu_register_configuration_table (smbios, 0, 0, table);
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if (err)
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return err;
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}
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return GRUB_ERR_NONE;
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}
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