acrn-kernel/arch/x86/realmode/rm/realmode.h

23 lines
524 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#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 */