Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / arch / i386 / interface / pcbios / bios_smbios.c

diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pcbios/bios_smbios.c b/qemu/roms/ipxe/src/arch/i386/interface/pcbios/bios_smbios.c
new file mode 100644 (file)
index 0000000..dd7897e
--- /dev/null
+++ b/qemu/roms/ipxe/src/arch/i386/interface/pcbios/bios_smbios.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program 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 2 of the
+ * License, or any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+#include <ipxe/uaccess.h>
+#include <ipxe/smbios.h>
+#include <realmode.h>
+#include <pnpbios.h>
+
+/** @file
+ *
+ * System Management BIOS
+ *
+ */
+
+/**
+ * Find SMBIOS
+ *
+ * @v smbios           SMBIOS entry point descriptor structure to fill in
+ * @ret rc             Return status code
+ */
+static int bios_find_smbios ( struct smbios *smbios ) {
+       struct smbios_entry entry;
+       int rc;
+
+       /* Scan through BIOS segment to find SMBIOS entry point */
+       if ( ( rc = find_smbios_entry ( real_to_user ( BIOS_SEG, 0 ), 0x10000,
+                                       &entry ) ) != 0 )
+               return rc;
+
+       /* Fill in entry point descriptor structure */
+       smbios->address = phys_to_user ( entry.smbios_address );
+       smbios->len = entry.smbios_len;
+       smbios->count = entry.smbios_count;
+       smbios->version = SMBIOS_VERSION ( entry.major, entry.minor );
+
+       return 0;
+}
+
+PROVIDE_SMBIOS ( pcbios, find_smbios, bios_find_smbios );