c993487ec8
This sets up a generic SRAM pool for CPUs and platform code to insert their otherwise unused memories into. A simple alloc/free interface is provided (lifed from avr32) for generic code. This only applies to tiny SRAMs that are otherwise unmanaged, and does not take in to account the more complex SRAMs sitting behind transfer engines, or that employ an I/D split. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
71 lines
2.5 KiB
Makefile
71 lines
2.5 KiB
Makefile
#
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# Makefile for the Linux SuperH-specific parts of the memory manager.
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#
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obj-y := alignment.o cache.o init.o consistent.o mmap.o
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cacheops-$(CONFIG_CPU_SH2) := cache-sh2.o
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cacheops-$(CONFIG_CPU_SH2A) := cache-sh2a.o
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cacheops-$(CONFIG_CPU_SH3) := cache-sh3.o
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cacheops-$(CONFIG_CPU_SH4) := cache-sh4.o flush-sh4.o
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cacheops-$(CONFIG_CPU_SH5) := cache-sh5.o flush-sh4.o
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cacheops-$(CONFIG_SH7705_CACHE_32KB) += cache-sh7705.o
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cacheops-$(CONFIG_CPU_SHX3) += cache-shx3.o
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obj-y += $(cacheops-y)
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mmu-y := nommu.o extable_32.o
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mmu-$(CONFIG_MMU) := extable_$(BITS).o fault_$(BITS).o \
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ioremap.o kmap.o pgtable.o tlbflush_$(BITS).o
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obj-y += $(mmu-y)
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debugfs-y := asids-debugfs.o
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ifndef CONFIG_CACHE_OFF
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debugfs-$(CONFIG_CPU_SH4) += cache-debugfs.o
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endif
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ifdef CONFIG_MMU
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debugfs-$(CONFIG_CPU_SH4) += tlb-debugfs.o
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tlb-$(CONFIG_CPU_SH3) := tlb-sh3.o
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tlb-$(CONFIG_CPU_SH4) := tlb-sh4.o tlb-urb.o
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tlb-$(CONFIG_CPU_SH5) := tlb-sh5.o
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tlb-$(CONFIG_CPU_HAS_PTEAEX) := tlb-pteaex.o tlb-urb.o
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obj-y += $(tlb-y)
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endif
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obj-$(CONFIG_DEBUG_FS) += $(debugfs-y)
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obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
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obj-$(CONFIG_PMB) += pmb.o
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obj-$(CONFIG_NUMA) += numa.o
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obj-$(CONFIG_IOREMAP_FIXED) += ioremap_fixed.o
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obj-$(CONFIG_UNCACHED_MAPPING) += uncached.o
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obj-$(CONFIG_HAVE_SRAM_POOL) += sram.o
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# Special flags for fault_64.o. This puts restrictions on the number of
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# caller-save registers that the compiler can target when building this file.
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# This is required because the code is called from a context in entry.S where
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# very few registers have been saved in the exception handler (for speed
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# reasons).
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# The caller save registers that have been saved and which can be used are
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# r2,r3,r4,r5 : argument passing
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# r15, r18 : SP and LINK
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# tr0-4 : allow all caller-save TR's. The compiler seems to be able to make
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# use of them, so it's probably beneficial to performance to save them
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# and have them available for it.
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#
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# The resources not listed below are callee save, i.e. the compiler is free to
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# use any of them and will spill them to the stack itself.
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CFLAGS_fault_64.o += -ffixed-r7 \
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-ffixed-r8 -ffixed-r9 -ffixed-r10 -ffixed-r11 -ffixed-r12 \
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-ffixed-r13 -ffixed-r14 -ffixed-r16 -ffixed-r17 -ffixed-r19 \
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-ffixed-r20 -ffixed-r21 -ffixed-r22 -ffixed-r23 \
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-ffixed-r24 -ffixed-r25 -ffixed-r26 -ffixed-r27 \
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-ffixed-r36 -ffixed-r37 -ffixed-r38 -ffixed-r39 -ffixed-r40 \
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-ffixed-r41 -ffixed-r42 -ffixed-r43 \
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-ffixed-r60 -ffixed-r61 -ffixed-r62 \
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-fomit-frame-pointer
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ccflags-y := -Werror
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