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-rw-r--r--include/asm-x86/bootparam.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/bootparam.h b/include/asm-x86/bootparam.h
index b91b01783e4..ef67b59dbdb 100644
--- a/include/asm-x86/bootparam.h
+++ b/include/asm-x86/bootparam.h
@@ -14,6 +14,9 @@ struct setup_header {
u16 root_flags;
u32 syssize;
u16 ram_size;
+#define RAMDISK_IMAGE_START_MASK 0x07FF
+#define RAMDISK_PROMPT_FLAG 0x8000
+#define RAMDISK_LOAD_FLAG 0x4000
u16 vid_mode;
u16 root_dev;
u16 boot_flag;