[mirror_ubuntu-hirsute-kernel.git] / 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);
}
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
f25f64ed JB	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)
f25f64ed JB	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	}