[x86] remove uses of magic macros for boot_params access
Instead of using magic macros for boot_params access, simply use the
boot_params structure.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/include/asm-x86/bootparam.h b/include/asm-x86/bootparam.h
index b91b017..ef67b59 100644
--- a/include/asm-x86/bootparam.h
+++ b/include/asm-x86/bootparam.h
@@ -14,6 +14,9 @@
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;