diff options
Diffstat (limited to 'arch/sh/mm/Makefile_64')
-rw-r--r-- | arch/sh/mm/Makefile_64 | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/sh/mm/Makefile_64 b/arch/sh/mm/Makefile_64 new file mode 100644 index 00000000000..cbd6aa33c5a --- /dev/null +++ b/arch/sh/mm/Makefile_64 @@ -0,0 +1,44 @@ +# +# Makefile for the Linux SuperH-specific parts of the memory manager. +# + +obj-y := init.o extable_64.o consistent.o + +mmu-y := tlb-nommu.o pg-nommu.o +mmu-$(CONFIG_MMU) := fault_64.o ioremap_64.o tlbflush_64.o tlb-sh5.o + +ifndef CONFIG_CACHE_OFF +obj-y += cache-sh5.o +endif + +obj-y += $(mmu-y) + +obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o +obj-$(CONFIG_NUMA) += numa.o + +EXTRA_CFLAGS += -Werror + +# Special flags for fault_64.o. This puts restrictions on the number of +# caller-save registers that the compiler can target when building this file. +# This is required because the code is called from a context in entry.S where +# very few registers have been saved in the exception handler (for speed +# reasons). +# The caller save registers that have been saved and which can be used are +# r2,r3,r4,r5 : argument passing +# r15, r18 : SP and LINK +# tr0-4 : allow all caller-save TR's. The compiler seems to be able to make +# use of them, so it's probably beneficial to performance to save them +# and have them available for it. +# +# The resources not listed below are callee save, i.e. the compiler is free to +# use any of them and will spill them to the stack itself. + +CFLAGS_fault_64.o += -ffixed-r7 \ + -ffixed-r8 -ffixed-r9 -ffixed-r10 -ffixed-r11 -ffixed-r12 \ + -ffixed-r13 -ffixed-r14 -ffixed-r16 -ffixed-r17 -ffixed-r19 \ + -ffixed-r20 -ffixed-r21 -ffixed-r22 -ffixed-r23 \ + -ffixed-r24 -ffixed-r25 -ffixed-r26 -ffixed-r27 \ + -ffixed-r36 -ffixed-r37 -ffixed-r38 -ffixed-r39 -ffixed-r40 \ + -ffixed-r41 -ffixed-r42 -ffixed-r43 \ + -ffixed-r60 -ffixed-r61 -ffixed-r62 \ + -fomit-frame-pointer |