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-rw-r--r--grub-core/commands/i386/pc/smbios.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/grub-core/commands/i386/pc/smbios.c b/grub-core/commands/i386/pc/smbios.c
new file mode 100644
index 0000000..069d663
--- /dev/null
+++ b/grub-core/commands/i386/pc/smbios.c
@@ -0,0 +1,52 @@
+/* smbios.c - get smbios tables. */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2019 Free Software Foundation, Inc.
+ *
+ * GRUB is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/acpi.h>
+#include <grub/smbios.h>
+#include <grub/misc.h>
+
+struct grub_smbios_eps *
+grub_machine_smbios_get_eps (void)
+{
+ grub_uint8_t *ptr;
+
+ grub_dprintf ("smbios", "Looking for SMBIOS EPS. Scanning BIOS\n");
+
+ for (ptr = (grub_uint8_t *) 0xf0000; ptr < (grub_uint8_t *) 0x100000; ptr += 16)
+ if (grub_memcmp (ptr, "_SM_", 4) == 0
+ && grub_byte_checksum (ptr, sizeof (struct grub_smbios_eps)) == 0)
+ return (struct grub_smbios_eps *) ptr;
+
+ return 0;
+}
+
+struct grub_smbios_eps3 *
+grub_machine_smbios_get_eps3 (void)
+{
+ grub_uint8_t *ptr;
+
+ grub_dprintf ("smbios", "Looking for SMBIOS3 EPS. Scanning BIOS\n");
+
+ for (ptr = (grub_uint8_t *) 0xf0000; ptr < (grub_uint8_t *) 0x100000; ptr += 16)
+ if (grub_memcmp (ptr, "_SM3_", 5) == 0
+ && grub_byte_checksum (ptr, sizeof (struct grub_smbios_eps3)) == 0)
+ return (struct grub_smbios_eps3 *) ptr;
+
+ return 0;
+}