x86: Use the generic linker script initializing

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>

1 files changed, 99 insertions, 0 deletions

diff --git a/arch/x86/mach-i386/include/mach/barebox.lds.h b/arch/x86/mach-i386/include/mach/barebox.lds.h
new file mode 100644
index 0000000000..81c326e48d
--- /dev/null
+++ b/arch/x86/mach-i386/include/mach/barebox.lds.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2009 Juergen Beisert, Pengutronix
+ *
+ * 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 (at your option) 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+/**
+ * @file
+ * @brief Adapt linker script content in accordance to Kconfig settings
+ */
+
+/**
+ * Area in the MBR of the barebox basic boot code. This offset must be in
+ * accordance to the 'indirect_sector_lba' label.
+ */
+#define PATCH_AREA 400
+
+/**
+ * Offset where to store the boot drive number (BIOS number, 1 byte)
+ */
+#define PATCH_AREA_BOOT_DEV 16
+
+/**
+ * Offset where to store information about the persistant environment storage
+ * It points to an LBA number (8 bytes) and defines the first sector of this
+ * storage on disk.
+ */
+#define PATCH_AREA_PERS_START 20
+
+/**
+ * Offset where to store information about the persistant environment storage
+ * It points to a short number (2 bytes) and defines the sector count of this
+ * storage on disk.
+ */
+#define PATCH_AREA_PERS_SIZE 28
+
+/**
+ * Offset where to store information about the persistant environment storage
+ * drive number (BIOS number, 1 byte)
+ */
+#define PATCH_AREA_PERS_DRIVE 30
+
+/**
+ * Mark the persistant environment as not used
+ */
+#define PATCH_AREA_PERS_SIZE_UNUSED 0x000
+
+/**
+ * Mark a DAPS as unused/invalid
+ */
+#define MARK_DAPS_INVALID 0x0000
+
+/**
+ * Offset of the partition table in an MBR
+ */
+#define OFFSET_OF_PARTITION_TABLE 446
+
+/**
+ * Offset of the signature in an MBR
+ */
+#define OFFSET_OF_SIGNATURE 510
+
+/**
+ * Area where to store indirect sector to loop through. Keep this value
+ * in accordance to the 'indirect_area' label. Note: .
+ *
+ * @attention These addresses are real mode ones (seg:offset)
+ */
+#define INDIRECT_AREA 0x7A00
+#define INDIRECT_SEGMENT 0x0000
+
+/**
+ * Area where to load sectors from disk to. They should start after the
+ * MBR area and must be in accordance to the offset of the '.bootstrapping'
+ * section in the linker file.
+ *
+ * @attention The address must be a multiple of 512.
+ */
+#define LOAD_AREA 0x7e00
+#define LOAD_SEGMENT 0x0000
+
+/**
+ * Size of one sector.
+ */
+#define SECTOR_SIZE 512