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https://github.com/xen-project/xen.git
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Oleksii Kurochko
c9bd8b322e
imsic_init() is introduced to parse device tree node, which has the following
bindings [2], and based on the parsed information update IMSIC configuration
which is stored in imsic_cfg.
The following helpers are introduces for imsic_init() usage:
- imsic_parse_node() parses IMSIC node from DTS
- imsic_get_parent_hartid() returns the hart ( CPU ) ID of the given device
tree node.
This patch is based on the code from [1].
Since Microchip originally developed imsic.{c,h}, an internal discussion with
them led to the decision to use the MIT license.
[1] https://gitlab.com/xen-project/people/olkur/xen/-/commit/0b1a94f2bc3bb1a81cd26bb75f0bf578f84cb4d4
[2] https://elixir.bootlin.com/linux/v6.12/source/Documentation/devicetree/bindings/interrupt-controller/riscv,imsics.yaml
Co-developed-by: Romain Caritey <Romain.Caritey@microchip.com>
Signed-off-by: Oleksii Kurochko <oleksii.kurochko@gmail.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
49 lines
1.3 KiB
Makefile
49 lines
1.3 KiB
Makefile
obj-y += aplic.o
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obj-y += cpufeature.o
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obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
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obj-y += entry.o
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obj-y += imsic.o
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obj-y += intc.o
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obj-y += irq.o
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obj-y += mm.o
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obj-y += pt.o
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obj-$(CONFIG_RISCV_64) += riscv64/
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obj-y += sbi.o
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obj-y += setup.o
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obj-y += shutdown.o
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obj-y += smp.o
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obj-y += smpboot.o
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obj-y += stubs.o
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obj-y += time.o
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obj-y += traps.o
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obj-y += vm_event.o
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$(TARGET): $(TARGET)-syms
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$(OBJCOPY) -O binary -S $< $@
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$(TARGET)-syms: $(objtree)/prelink.o $(obj)/xen.lds
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$(LD) $(XEN_LDFLAGS) -T $(obj)/xen.lds $< \
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$(objtree)/common/symbols-dummy.o -o $(dot-target).0
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$(NM) -pa --format=sysv $(dot-target).0 \
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| $(objtree)/tools/symbols $(all_symbols) --sysv --sort \
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> $(dot-target).0.S
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$(MAKE) $(build)=$(@D) $(dot-target).0.o
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$(LD) $(XEN_LDFLAGS) -T $(obj)/xen.lds $< \
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$(dot-target).0.o -o $(dot-target).1
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$(NM) -pa --format=sysv $(dot-target).1 \
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| $(objtree)/tools/symbols $(all_symbols) --sysv --sort \
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> $(dot-target).1.S
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$(MAKE) $(build)=$(@D) $(dot-target).1.o
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$(LD) $(XEN_LDFLAGS) -T $(obj)/xen.lds $< $(build_id_linker) \
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$(dot-target).1.o -o $@
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$(NM) -pa --format=sysv $@ \
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| $(objtree)/tools/symbols --all-symbols --xensyms --sysv --sort \
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> $@.map
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rm -f $(@D)/.$(@F).[0-9]*
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$(obj)/xen.lds: $(src)/xen.lds.S FORCE
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$(call if_changed_dep,cpp_lds_S)
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.PHONY: include
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include:
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