diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2012-05-30 12:11:26 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2012-05-30 12:11:32 -0700 |
| commit | bbd771474ec44b516107685d77e1c80bbe09f141 (patch) | |
| tree | 0cb15781539a68f27b4ea6c89f827282630cbce6 /arch/x86/realmode/rm/realmode.h | |
| parent | 403e1c5b7495d7b80fae9fc4d0a7a6f5abdc3307 (diff) | |
| parent | 319b6ffc6df892e4ccffff823cc5521a4a5d2dca (diff) | |
Merge branch 'x86/trampoline' into x86/urgent
x86/trampoline contains an urgent commit which is necessarily on a
newer baseline.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/realmode/rm/realmode.h')
| -rw-r--r-- | arch/x86/realmode/rm/realmode.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/realmode/rm/realmode.h b/arch/x86/realmode/rm/realmode.h new file mode 100644 index 000000000000..d74cff6350ed --- /dev/null +++ b/arch/x86/realmode/rm/realmode.h @@ -0,0 +1,21 @@ +#ifndef ARCH_X86_REALMODE_RM_REALMODE_H +#define ARCH_X86_REALMODE_RM_REALMODE_H + +#ifdef __ASSEMBLY__ + +/* + * 16-bit ljmpw to the real_mode_seg + * + * This must be open-coded since gas will choke on using a + * relocatable symbol for the segment portion. + */ +#define LJMPW_RM(to) .byte 0xea ; .word (to), real_mode_seg + +#endif /* __ASSEMBLY__ */ + +/* + * Signature at the end of the realmode region + */ +#define REALMODE_END_SIGNATURE 0x65a22c82 + +#endif /* ARCH_X86_REALMODE_RM_REALMODE_H */ |