diff options
author | Tom Rini <trini@konsulko.com> | 2016-10-19 07:48:16 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2016-10-19 07:48:16 -0400 |
commit | 3431b392ad50ff37fa3d6e7715c6a99c74d692dc (patch) | |
tree | 53b6785acaa658a60c6a854af4dea9040f826b48 /lib/efi_loader/efi_smbios.c | |
parent | 68ff827ec74fdca8f17d469f22e1032ed14cb795 (diff) | |
parent | 3fb97e267a5e136d8386a7cb1d5b4fe63af518eb (diff) |
Merge tag 'signed-efi-next' of git://github.com/agraf/u-boot
Patch queue for efi - 2016-10-19
Highlights this time around:
- Add run time service (power control) support for PSCI (fixed in v3)
- Add efi gop pointer exposure
- SMBIOS support for EFI (on ARM)
- efi pool memory unmap support (needed for 4.8)
- initial x86 efi payload support (fixed up in v2)
- various bug fixes
Signed-off-by: Tom Rini <trini@konsulko.com>
Conflicts:
include/tables_csum.h
Diffstat (limited to 'lib/efi_loader/efi_smbios.c')
-rw-r--r-- | lib/efi_loader/efi_smbios.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_smbios.c b/lib/efi_loader/efi_smbios.c new file mode 100644 index 00000000000..ac412e7362a --- /dev/null +++ b/lib/efi_loader/efi_smbios.c @@ -0,0 +1,32 @@ +/* + * 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); +} |