Remove Arm barriers for pre-armv6 CPUs

Remove the macros that define the Arm barriers on Armv5 and earlier. We
don't support these CPUs.

Reviewed by:	imp
Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D33807

This commit is contained in:

Andrew Turner

2022-01-10 15:25:18 +00:00

parent ac795a774c

commit e7961ccd9f

1 changed files with 0 additions and 5 deletions

									
										sys/arm/include/asm.h
									
		-5
	
												View File
												
					@@ -207,11 +207,6 @@

					#define DSB	mcr CP15_CP15DSB

					#define DSB	mcr CP15_CP15DSB

					#define DMB	mcr CP15_CP15DMB

					#define DMB	mcr CP15_CP15DMB

					#define WFI	mcr CP15_CP15WFI

					#define WFI	mcr CP15_CP15WFI

					#else

					#define ISB	mcr CP15_CP15ISB

					#define DSB	mcr CP15_CP15DSB	/* DSB and DMB are the */

					#define DMB	mcr CP15_CP15DSB	/* same prior to v6.*/

					/* No form of WFI available on v4, define nothing to get an error on use. */

					#endif

					#endif

					#endif /* !_MACHINE_ASM_H_ */

					#endif /* !_MACHINE_ASM_H_ */