1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * NSC/Cyrix CPU indexed register access. Must be inlined instead of 4 * macros to ensure correct access ordering 5 * Access order is always 0x22 (=offset), 0x23 (=value) 6 */ 7 8 static inline u8 getCx86(u8 reg) 9 { 10 outb(reg, 0x22); 11 return inb(0x23); 12 } 13 14 static inline void setCx86(u8 reg, u8 data) 15 { 16 outb(reg, 0x22); 17 outb(data, 0x23); 18 } 19