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+# SPDX-License-Identifier: GPL-2.0
+# Some of the tools (perf) use same make variables
+# as in kernel build.
+export srctree=
+export objtree=
+
+include scripts/Makefile.include
+
+help:
+ @echo 'Possible targets:'
+ @echo ''
+ @echo ' acpi - ACPI tools'
+ @echo ' bpf - misc BPF tools'
+ @echo ' cgroup - cgroup tools'
+ @echo ' cpupower - a tool for all things x86 CPU power'
+ @echo ' debugging - tools for debugging'
+ @echo ' firewire - the userspace part of nosy, an IEEE-1394 traffic sniffer'
+ @echo ' firmware - Firmware tools'
+ @echo ' freefall - laptop accelerometer program for disk protection'
+ @echo ' gpio - GPIO tools'
+ @echo ' hv - tools used when in Hyper-V clients'
+ @echo ' iio - IIO tools'
+ @echo ' intel-speed-select - Intel Speed Select tool'
+ @echo ' kvm_stat - top-like utility for displaying kvm statistics'
+ @echo ' leds - LEDs tools'
+ @echo ' liblockdep - user-space wrapper for kernel locking-validator'
+ @echo ' objtool - an ELF object analysis tool'
+ @echo ' pci - PCI tools'
+ @echo ' perf - Linux performance measurement and analysis tool'
+ @echo ' selftests - various kernel selftests'
+ @echo ' bootconfig - boot config tool'
+ @echo ' spi - spi tools'
+ @echo ' tmon - thermal monitoring and tuning tool'
+ @echo ' turbostat - Intel CPU idle stats and freq reporting tool'
+ @echo ' usb - USB testing tools'
+ @echo ' virtio - vhost test module'
+ @echo ' vm - misc vm tools'
+ @echo ' wmi - WMI interface examples'
+ @echo ' x86_energy_perf_policy - Intel energy policy tool'
+ @echo ''
+ @echo 'You can do:'
+ @echo ' $$ make -C tools/ <tool>_install'
+ @echo ''
+ @echo ' from the kernel command line to build and install one of'
+ @echo ' the tools above'
+ @echo ''
+ @echo ' $$ make tools/all'
+ @echo ''
+ @echo ' builds all tools.'
+ @echo ''
+ @echo ' $$ make tools/install'
+ @echo ''
+ @echo ' installs all tools.'
+ @echo ''
+ @echo 'Cleaning targets:'
+ @echo ''
+ @echo ' all of the above with the "_clean" string appended cleans'
+ @echo ' the respective build directory.'
+ @echo ' clean: a summary clean target to clean _all_ folders'
+
+acpi: FORCE
+ $(call descend,power/$@)
+
+cpupower: FORCE
+ $(call descend,power/$@)
+
+cgroup firewire hv guest bootconfig spi usb virtio vm bpf iio gpio objtool leds wmi pci firmware debugging: FORCE
+ $(call descend,$@)
+
+bpf/%: FORCE
+ $(call descend,$@)
+
+liblockdep: FORCE
+ $(call descend,lib/lockdep)
+
+libapi: FORCE
+ $(call descend,lib/api)
+
+# The perf build does not follow the descend function setup,
+# invoking it via it's own make rule.
+PERF_O = $(if $(O),$(O)/tools/perf,)
+
+perf: FORCE
+ $(Q)mkdir -p $(PERF_O) .
+ $(Q)$(MAKE) --no-print-directory -C perf O=$(PERF_O) subdir=
+
+selftests: FORCE
+ $(call descend,testing/$@)
+
+turbostat x86_energy_perf_policy intel-speed-select: FORCE
+ $(call descend,power/x86/$@)
+
+tmon: FORCE
+ $(call descend,thermal/$@)
+
+freefall: FORCE
+ $(call descend,laptop/$@)
+
+kvm_stat: FORCE
+ $(call descend,kvm/$@)
+
+all: acpi cgroup cpupower gpio hv firewire liblockdep \
+ perf selftests bootconfig spi turbostat usb \
+ virtio vm bpf x86_energy_perf_policy \
+ tmon freefall iio objtool kvm_stat wmi \
+ pci debugging
+
+acpi_install:
+ $(call descend,power/$(@:_install=),install)
+
+cpupower_install:
+ $(call descend,power/$(@:_install=),install)
+
+cgroup_install firewire_install gpio_install hv_install iio_install perf_install bootconfig_install spi_install usb_install virtio_install vm_install bpf_install objtool_install wmi_install pci_install debugging_install:
+ $(call descend,$(@:_install=),install)
+
+liblockdep_install:
+ $(call descend,lib/lockdep,install)
+
+selftests_install:
+ $(call descend,testing/$(@:_install=),install)
+
+turbostat_install x86_energy_perf_policy_install intel-speed-select_install:
+ $(call descend,power/x86/$(@:_install=),install)
+
+tmon_install:
+ $(call descend,thermal/$(@:_install=),install)
+
+freefall_install:
+ $(call descend,laptop/$(@:_install=),install)
+
+kvm_stat_install:
+ $(call descend,kvm/$(@:_install=),install)
+
+install: acpi_install cgroup_install cpupower_install gpio_install \
+ hv_install firewire_install iio_install liblockdep_install \
+ perf_install selftests_install turbostat_install usb_install \
+ virtio_install vm_install bpf_install x86_energy_perf_policy_install \
+ tmon_install freefall_install objtool_install kvm_stat_install \
+ wmi_install pci_install debugging_install intel-speed-select_install
+
+acpi_clean:
+ $(call descend,power/acpi,clean)
+
+cpupower_clean:
+ $(call descend,power/cpupower,clean)
+
+cgroup_clean hv_clean firewire_clean bootconfig_clean spi_clean usb_clean virtio_clean vm_clean wmi_clean bpf_clean iio_clean gpio_clean objtool_clean leds_clean pci_clean firmware_clean debugging_clean:
+ $(call descend,$(@:_clean=),clean)
+
+liblockdep_clean:
+ $(call descend,lib/lockdep,clean)
+
+libapi_clean:
+ $(call descend,lib/api,clean)
+
+libbpf_clean:
+ $(call descend,lib/bpf,clean)
+
+libsubcmd_clean:
+ $(call descend,lib/subcmd,clean)
+
+perf_clean:
+ $(Q)mkdir -p $(PERF_O) .
+ $(Q)$(MAKE) --no-print-directory -C perf O=$(PERF_O) subdir= clean
+
+selftests_clean:
+ $(call descend,testing/$(@:_clean=),clean)
+
+turbostat_clean x86_energy_perf_policy_clean intel-speed-select_clean:
+ $(call descend,power/x86/$(@:_clean=),clean)
+
+tmon_clean:
+ $(call descend,thermal/tmon,clean)
+
+freefall_clean:
+ $(call descend,laptop/freefall,clean)
+
+build_clean:
+ $(call descend,build,clean)
+
+clean: acpi_clean cgroup_clean cpupower_clean hv_clean firewire_clean \
+ perf_clean selftests_clean turbostat_clean bootconfig_clean spi_clean usb_clean virtio_clean \
+ vm_clean bpf_clean iio_clean x86_energy_perf_policy_clean tmon_clean \
+ freefall_clean build_clean libbpf_clean libsubcmd_clean liblockdep_clean \
+ gpio_clean objtool_clean leds_clean wmi_clean pci_clean firmware_clean debugging_clean \
+ intel-speed-select_clean
+
+.PHONY: FORCE