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Commit 66a625a8 authored by Dave Martin's avatar Dave Martin
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ARM: mm: proc-macros: Add generic proc/cache/tlb struct definition macros 



This patch adds some generic macros to reduce boilerplate when
declaring certain common structures in arch/arm/mm/*.S

Thanks to Russell King for outlining what the
define_processor_functions macro could look like.

Signed-off-by: default avatarDave Martin <dave.martin@linaro.org>
Acked-by: default avatarNicolas Pitre <nicolas.pitre@linaro.org>
parent b0af8dfd

arch/arm/mm/proc-macros.S

+63 −0
Original line number Diff line number Diff line
@@ -254,3 +254,66 @@ 
	mcr	p15, 0, r0, c7, c10, 1		@ clean L1 D line

	mcr	p15, 0, ip, c7, c10, 4		@ data write barrier

	.endm



.macro define_processor_functions name:req, dabort:req, pabort:req, nommu=0, suspend=0

	.type	\name\()_processor_functions, #object

	.align 2

ENTRY(\name\()_processor_functions)

	.word	\dabort

	.word	\pabort

	.word	cpu_\name\()_proc_init

	.word	cpu_\name\()_proc_fin

	.word	cpu_\name\()_reset

	.word	cpu_\name\()_do_idle

	.word	cpu_\name\()_dcache_clean_area

	.word	cpu_\name\()_switch_mm



	.if \nommu

	.word	0

	.else

	.word	cpu_\name\()_set_pte_ext

	.endif



	.if \suspend

	.word	cpu_\name\()_suspend_size

	.word	cpu_\name\()_do_suspend

	.word	cpu_\name\()_do_resume

	.else

	.word	0

	.word	0

	.word	0

	.endif



	.size	\name\()_processor_functions, . - \name\()_processor_functions

.endm



.macro define_cache_functions name:req

	.align 2

	.type	\name\()_cache_fns, #object

ENTRY(\name\()_cache_fns)

	.long	\name\()_flush_icache_all

	.long	\name\()_flush_kern_cache_all

	.long	\name\()_flush_user_cache_all

	.long	\name\()_flush_user_cache_range

	.long	\name\()_coherent_kern_range

	.long	\name\()_coherent_user_range

	.long	\name\()_flush_kern_dcache_area

	.long	\name\()_dma_map_area

	.long	\name\()_dma_unmap_area

	.long	\name\()_dma_flush_range

	.size	\name\()_cache_fns, . - \name\()_cache_fns

.endm



.macro define_tlb_functions name:req, flags_up:req, flags_smp

	.type	\name\()_tlb_fns, #object

ENTRY(\name\()_tlb_fns)

	.long	\name\()_flush_user_tlb_range

	.long	\name\()_flush_kern_tlb_range

	.ifnb \flags_smp

		ALT_SMP(.long	\flags_smp )

		ALT_UP(.long	\flags_up )

	.else

		.long	\flags_up

	.endif

	.size	\name\()_tlb_fns, . - \name\()_tlb_fns

.endm