arch/x86/include/asm/processor-cyrix.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * NSC/Cyrix CPU indexed register access. Must be inlined instead of
 * macros to ensure correct access ordering
 * Access order is always 0x22 (=offset), 0x23 (=value)
 */

static inline u8 getCx86(u8 reg)
{
	outb(reg, 0x22);
	return inb(0x23);
}

static inline void setCx86(u8 reg, u8 data)
{
	outb(reg, 0x22);
	outb(data, 0x23);
}