[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>

1 files changed, 13 insertions, 0 deletions

diff --git a/include/asm-x86/setup_64.h b/include/asm-x86/setup_64.h
index eaeff73d6c10..a04aadcccf67 100644
--- a/include/asm-x86/setup_64.h
+++ b/include/asm-x86/setup_64.h
@@ -3,4 +3,17 @@
 
 #define COMMAND_LINE_SIZE       2048
 
+#ifdef __KERNEL__
+
+#ifndef __ASSEMBLY__
+#include <asm/bootparam.h>
+
+/*
+ * This is set up by the setup-routine at boot-time
+ */
+extern struct boot_params boot_params;
+
+#endif /* not __ASSEMBLY__ */
+#endif /* __KERNEL__ */
+
 #endif