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084ee1c641
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>
26 lines
590 B
C
26 lines
590 B
C
#ifndef _ARCH_X86_REALMODE_H
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#define _ARCH_X86_REALMODE_H
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#include <linux/types.h>
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#include <asm/io.h>
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/* This must match data at realmode.S */
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struct real_mode_header {
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u32 text_start;
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u32 ro_end;
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u32 end;
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} __attribute__((__packed__));
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extern struct real_mode_header real_mode_header;
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extern unsigned char *real_mode_base;
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extern unsigned long init_rsp;
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extern unsigned long initial_code;
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extern unsigned long initial_gs;
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extern unsigned char real_mode_blob[];
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extern unsigned char real_mode_relocs[];
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extern void __init setup_real_mode(void);
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#endif /* _ARCH_X86_REALMODE_H */
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