File: processor-cyrix.h

package info (click to toggle)
linux 5.10.218-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,146,196 kB
  • sloc: ansic: 19,551,519; asm: 264,269; sh: 75,283; makefile: 44,828; perl: 34,675; python: 32,447; cpp: 6,075; yacc: 4,748; lex: 2,743; awk: 1,215; ruby: 25; sed: 5
file content (18 lines) | stat: -rw-r--r-- 376 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
/* 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);
}