mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 14:36:46 +07:00
10a0ef39fb
This closes http://bugzilla.kernel.org/show_bug.cgi?id=10893 which is a showstopper for X development on alpha. The generic HAVE_PCI_MMAP code (drivers/pci-sysfs.c) is not very useful since we have to deal with three different types of MMIO address spaces: sparse and dense mappings for old ev4/ev5 machines and "normal" 1:1 MMIO space (bwx) for ev56 and later. Also "write combine" mappings are meaningless on alpha - roughly speaking, alpha does write combining, IO reordering and other optimizations by default, unless user splits IO accesses with memory barriers. I think the cleanest way to deal with resource files on alpha is to convert the default no-op pci_create_resource_files() and pci_remove_resource_files() for !HAVE_PCI_MMAP case into __weak functions and override them with alpha specific ones. Another alpha hook is needed for "legacy_" resource files to handle sparse addressing (pci_adjust_legacy_attr). With the "standard" resourceN files on ev56/ev6 libpciaccess works "out of the box". Handling of resourceN_sparse/resourceN_dense files on older machines obviously requires some userland work. Sparse/dense stuff has been tested on sx164 (pca56/pyxis, normally uses bwx IO) with the kernel hacked into "cia compatible" mode. Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
105 lines
4.0 KiB
Makefile
105 lines
4.0 KiB
Makefile
#
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# Makefile for the linux kernel.
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#
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extra-y := head.o vmlinux.lds
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EXTRA_AFLAGS := $(KBUILD_CFLAGS)
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EXTRA_CFLAGS := -Werror -Wno-sign-compare
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obj-y := entry.o traps.o process.o init_task.o osf_sys.o irq.o \
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irq_alpha.o signal.o setup.o ptrace.o time.o \
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alpha_ksyms.o systbls.o err_common.o io.o binfmt_loader.o
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obj-$(CONFIG_VGA_HOSE) += console.o
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obj-$(CONFIG_SMP) += smp.o
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obj-$(CONFIG_PCI) += pci.o pci_iommu.o pci-sysfs.o
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obj-$(CONFIG_SRM_ENV) += srm_env.o
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obj-$(CONFIG_MODULES) += module.o
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ifdef CONFIG_ALPHA_GENERIC
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obj-y += core_apecs.o core_cia.o core_irongate.o core_lca.o \
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core_mcpcia.o core_polaris.o core_t2.o \
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core_tsunami.o
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obj-y += sys_alcor.o sys_cabriolet.o sys_dp264.o sys_eb64p.o sys_eiger.o \
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sys_jensen.o sys_miata.o sys_mikasa.o sys_nautilus.o \
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sys_noritake.o sys_rawhide.o sys_ruffian.o sys_rx164.o \
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sys_sable.o sys_sio.o sys_sx164.o sys_takara.o
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ifndef CONFIG_ALPHA_LEGACY_START_ADDRESS
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obj-y += core_marvel.o core_titan.o core_wildfire.o
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obj-y += sys_marvel.o sys_titan.o sys_wildfire.o
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obj-y += err_ev7.o err_titan.o err_marvel.o
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endif
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obj-y += irq_pyxis.o irq_i8259.o irq_srm.o
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obj-y += err_ev6.o
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obj-y += es1888.o smc37c669.o smc37c93x.o ns87312.o gct.o
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obj-y += srmcons.o
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else
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# Misc support
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obj-$(CONFIG_ALPHA_SRM) += srmcons.o
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# Core logic support
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obj-$(CONFIG_ALPHA_APECS) += core_apecs.o
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obj-$(CONFIG_ALPHA_CIA) += core_cia.o
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obj-$(CONFIG_ALPHA_IRONGATE) += core_irongate.o
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obj-$(CONFIG_ALPHA_LCA) += core_lca.o
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obj-$(CONFIG_ALPHA_MARVEL) += core_marvel.o gct.o
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obj-$(CONFIG_ALPHA_MCPCIA) += core_mcpcia.o
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obj-$(CONFIG_ALPHA_POLARIS) += core_polaris.o
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obj-$(CONFIG_ALPHA_T2) += core_t2.o
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obj-$(CONFIG_ALPHA_TSUNAMI) += core_tsunami.o
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obj-$(CONFIG_ALPHA_TITAN) += core_titan.o
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obj-$(CONFIG_ALPHA_WILDFIRE) += core_wildfire.o
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# Board support
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obj-$(CONFIG_ALPHA_ALCOR) += sys_alcor.o irq_i8259.o irq_srm.o
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obj-$(CONFIG_ALPHA_CABRIOLET) += sys_cabriolet.o irq_i8259.o irq_srm.o \
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ns87312.o
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obj-$(CONFIG_ALPHA_EB164) += sys_cabriolet.o irq_i8259.o irq_srm.o \
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ns87312.o
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obj-$(CONFIG_ALPHA_EB66P) += sys_cabriolet.o irq_i8259.o irq_srm.o \
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ns87312.o
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obj-$(CONFIG_ALPHA_LX164) += sys_cabriolet.o irq_i8259.o irq_srm.o \
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smc37c93x.o
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obj-$(CONFIG_ALPHA_PC164) += sys_cabriolet.o irq_i8259.o irq_srm.o \
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smc37c93x.o
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obj-$(CONFIG_ALPHA_DP264) += sys_dp264.o irq_i8259.o es1888.o smc37c669.o
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obj-$(CONFIG_ALPHA_SHARK) += sys_dp264.o irq_i8259.o es1888.o smc37c669.o
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obj-$(CONFIG_ALPHA_TITAN) += sys_titan.o irq_i8259.o smc37c669.o
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obj-$(CONFIG_ALPHA_EB64P) += sys_eb64p.o irq_i8259.o
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obj-$(CONFIG_ALPHA_EB66) += sys_eb64p.o irq_i8259.o
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obj-$(CONFIG_ALPHA_EIGER) += sys_eiger.o irq_i8259.o
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obj-$(CONFIG_ALPHA_JENSEN) += sys_jensen.o pci-noop.o irq_i8259.o
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obj-$(CONFIG_ALPHA_MARVEL) += sys_marvel.o
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obj-$(CONFIG_ALPHA_MIATA) += sys_miata.o irq_pyxis.o irq_i8259.o \
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es1888.o smc37c669.o
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obj-$(CONFIG_ALPHA_MIKASA) += sys_mikasa.o irq_i8259.o irq_srm.o
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obj-$(CONFIG_ALPHA_NAUTILUS) += sys_nautilus.o irq_i8259.o irq_srm.o
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obj-$(CONFIG_ALPHA_NORITAKE) += sys_noritake.o irq_i8259.o
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obj-$(CONFIG_ALPHA_RAWHIDE) += sys_rawhide.o irq_i8259.o
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obj-$(CONFIG_ALPHA_RUFFIAN) += sys_ruffian.o irq_pyxis.o irq_i8259.o
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obj-$(CONFIG_ALPHA_RX164) += sys_rx164.o irq_i8259.o
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obj-$(CONFIG_ALPHA_SABLE) += sys_sable.o
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obj-$(CONFIG_ALPHA_LYNX) += sys_sable.o
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obj-$(CONFIG_ALPHA_BOOK1) += sys_sio.o irq_i8259.o irq_srm.o ns87312.o
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obj-$(CONFIG_ALPHA_AVANTI) += sys_sio.o irq_i8259.o irq_srm.o ns87312.o
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obj-$(CONFIG_ALPHA_NONAME) += sys_sio.o irq_i8259.o irq_srm.o ns87312.o
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obj-$(CONFIG_ALPHA_P2K) += sys_sio.o irq_i8259.o irq_srm.o ns87312.o
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obj-$(CONFIG_ALPHA_XL) += sys_sio.o irq_i8259.o irq_srm.o ns87312.o
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obj-$(CONFIG_ALPHA_SX164) += sys_sx164.o irq_pyxis.o irq_i8259.o \
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irq_srm.o smc37c669.o
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obj-$(CONFIG_ALPHA_TAKARA) += sys_takara.o irq_i8259.o ns87312.o
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obj-$(CONFIG_ALPHA_WILDFIRE) += sys_wildfire.o irq_i8259.o
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# Error support
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obj-$(CONFIG_ALPHA_MARVEL) += err_ev7.o err_marvel.o
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obj-$(CONFIG_ALPHA_NAUTILUS) += err_ev6.o
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obj-$(CONFIG_ALPHA_TITAN) += err_ev6.o err_titan.o
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endif # GENERIC
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