x86, realmode: Relocator for realmode code

Implements relocator for real mode code that is called
as part of setup_arch(). Processes segment relocations
and linear relocations. Real-mode code is relocated to
a free hole below 1 MB.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com>
Link: http://lkml.kernel.org/r/1336501366-28617-4-git-send-email-jarkko.sakkinen@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 1a2901562059..56e41242a6b8 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -74,6 +74,7 @@
 #include <asm/mtrr.h>
 #include <asm/apic.h>
 #include <asm/trampoline.h>
+#include <asm/realmode.h>
 #include <asm/e820.h>
 #include <asm/mpspec.h>
 #include <asm/setup.h>
@@ -918,6 +919,7 @@ void __init setup_arch(char **cmdline_p)
                         max_pfn_mapped<<PAGE_SHIFT);
 
         setup_trampolines();
+        setup_real_mode();
 
         init_gbpages();