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authorTom Rini <trini@konsulko.com>2016-10-19 07:48:16 -0400
committerTom Rini <trini@konsulko.com>2016-10-19 07:48:16 -0400
commit3431b392ad50ff37fa3d6e7715c6a99c74d692dc (patch)
tree53b6785acaa658a60c6a854af4dea9040f826b48 /lib/efi_loader/efi_smbios.c
parent68ff827ec74fdca8f17d469f22e1032ed14cb795 (diff)
parent3fb97e267a5e136d8386a7cb1d5b4fe63af518eb (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.c32
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);
+}