1 files changed, 70 insertions, 0 deletions

diff --git a/include/asm-ppc64/bootinfo.h b/include/asm-ppc64/bootinfo.h
new file mode 100644
index 000000000000..f55e7cb48f46
--- /dev/null
+++ b/include/asm-ppc64/bootinfo.h
@@ -0,0 +1,70 @@
+/*
+ * Non-machine dependent bootinfo structure.  Basic idea
+ * borrowed from the m68k.
+ *
+ * Copyright (C) 1999 Cort Dougan <cort@ppc.kernel.org>
+ * Copyright (c) 2001 PPC64 Team, IBM Corp 
+ *
+ * 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.
+ */
+
+
+#ifndef _PPC64_BOOTINFO_H
+#define _PPC64_BOOTINFO_H
+
+#include <asm/types.h>
+
+/* We use a u32 for the type of the fields since they're written by
+ * the bootloader which is a 32-bit process and read by the kernel
+ * which is a 64-bit process.  This way they can both agree on the
+ * size of the type.
+ */
+typedef u32 bi_rec_field;
+
+struct bi_record {
+        bi_rec_field tag;       /* tag ID */
+        bi_rec_field size;      /* size of record (in bytes) */
+        bi_rec_field data[0];   /* data */
+};
+
+#define BI_FIRST                0x1010  /* first record - marker */
+#define BI_LAST                 0x1011  /* last record - marker */
+#define BI_CMD_LINE             0x1012
+#define BI_BOOTLOADER_ID        0x1013
+#define BI_INITRD               0x1014
+#define BI_SYSMAP               0x1015
+#define BI_MACHTYPE             0x1016
+
+static __inline__ struct bi_record * bi_rec_init(unsigned long addr)
+{
+        struct bi_record *bi_recs;
+        bi_recs = (struct bi_record *)_ALIGN(addr, PAGE_SIZE);
+        bi_recs->size = 0;
+        return bi_recs;
+}
+
+static __inline__ struct bi_record * bi_rec_alloc(struct bi_record *rec,
+                                                  unsigned long args)
+{
+        rec = (struct bi_record *)((unsigned long)rec + rec->size);
+        rec->size = sizeof(struct bi_record) + args*sizeof(bi_rec_field);
+        return rec;
+}
+
+static __inline__ struct bi_record * bi_rec_alloc_bytes(struct bi_record *rec,
+                                                        unsigned long bytes)
+{
+        rec = (struct bi_record *)((unsigned long)rec + rec->size);
+        rec->size = sizeof(struct bi_record) + bytes;
+        return rec;
+}
+
+static __inline__ struct bi_record * bi_rec_next(struct bi_record *rec)
+{
+        return (struct bi_record *)((unsigned long)rec + rec->size);
+}
+
+#endif /* _PPC64_BOOTINFO_H */