From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/x86/realmode/rm/realmode.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 arch/x86/realmode/rm/realmode.h (limited to 'arch/x86/realmode/rm/realmode.h') diff --git a/arch/x86/realmode/rm/realmode.h b/arch/x86/realmode/rm/realmode.h new file mode 100644 index 000000000..d74cff635 --- /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 */ -- cgit v1.2.3-54-g00ecf