xref: /linux/arch/mips/include/asm/isa-rev.h (revision b7019ac550eb3916f34d79db583e9b7ea2524afa)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) 2018 MIPS Tech, LLC
4  * Author: Matt Redfearn <matt.redfearn@mips.com>
5  */
6 
7 #ifndef __MIPS_ASM_ISA_REV_H__
8 #define __MIPS_ASM_ISA_REV_H__
9 
10 /*
11  * The ISA revision level. This is 0 for MIPS I to V and N for
12  * MIPS{32,64}rN.
13  */
14 
15 /* If the compiler has defined __mips_isa_rev, believe it. */
16 #ifdef __mips_isa_rev
17 #define MIPS_ISA_REV __mips_isa_rev
18 #else
19 /* The compiler hasn't defined the isa rev so assume it's MIPS I - V (0) */
20 #define MIPS_ISA_REV 0
21 #endif
22 
23 
24 #endif /* __MIPS_ASM_ISA_REV_H__ */
25