162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef ARCH_X86_REALMODE_RM_REALMODE_H 362306a36Sopenharmony_ci#define ARCH_X86_REALMODE_RM_REALMODE_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#ifdef __ASSEMBLY__ 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci/* 862306a36Sopenharmony_ci * 16-bit ljmpw to the real_mode_seg 962306a36Sopenharmony_ci * 1062306a36Sopenharmony_ci * This must be open-coded since gas will choke on using a 1162306a36Sopenharmony_ci * relocatable symbol for the segment portion. 1262306a36Sopenharmony_ci */ 1362306a36Sopenharmony_ci#define LJMPW_RM(to) .byte 0xea ; .word (to), real_mode_seg 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci#endif /* __ASSEMBLY__ */ 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci/* 1862306a36Sopenharmony_ci * Signature at the end of the realmode region 1962306a36Sopenharmony_ci */ 2062306a36Sopenharmony_ci#define REALMODE_END_SIGNATURE 0x65a22c82 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci#endif /* ARCH_X86_REALMODE_RM_REALMODE_H */ 23