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 }