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ACPI: tools: Introduce utility for firmware updates/telemetry
Introduce a user space tool to make use of the interface exposed by Platform Firmware Runtime Update and Telemetry drivers. It can be used for firmware code injection, driver updates and to retrieve platform firmware telemetry data. Tested-by: Hongyu Ning <[email protected]> Signed-off-by: Chen Yu <[email protected]> [ rjw: Subject and changelog edits ] Signed-off-by: Rafael J. Wysocki <[email protected]>
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‎tools/power/acpi/.gitignore

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/acpidbg
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/acpidump
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/ec
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/pfrut
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/include/

‎tools/power/acpi/Makefile

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@@ -9,18 +9,18 @@ include ../../scripts/Makefile.include
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.NOTPARALLEL:
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all: acpidbg acpidump ec
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clean: acpidbg_clean acpidump_clean ec_clean
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install: acpidbg_install acpidump_install ec_install
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uninstall: acpidbg_uninstall acpidump_uninstall ec_uninstall
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all: acpidbg acpidump ec pfrut
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clean: acpidbg_clean acpidump_clean ec_clean pfrut_clean
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install: acpidbg_install acpidump_install ec_install pfrut_install
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uninstall: acpidbg_uninstall acpidump_uninstall ec_uninstall pfrut_uninstall
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acpidbg acpidump ec: FORCE
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acpidbg acpidump ec pfrut: FORCE
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$(call descend,tools/$@,all)
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acpidbg_clean acpidump_clean ec_clean:
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acpidbg_clean acpidump_clean ec_clean pfrut_clean:
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$(call descend,tools/$(@:_clean=),clean)
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acpidbg_install acpidump_install ec_install:
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acpidbg_install acpidump_install ec_install pfrut_install:
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$(call descend,tools/$(@:_install=),install)
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acpidbg_uninstall acpidump_uninstall ec_uninstall:
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acpidbg_uninstall acpidump_uninstall ec_uninstall pfrut_uninstall:
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$(call descend,tools/$(@:_uninstall=),uninstall)
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.PHONY: FORCE

‎tools/power/acpi/Makefile.rules

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@@ -9,7 +9,7 @@ objdir := $(OUTPUT)tools/$(TOOL)/
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toolobjs := $(addprefix $(objdir),$(TOOL_OBJS))
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$(OUTPUT)$(TOOL): $(toolobjs) FORCE
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$(ECHO) " LD " $(subst $(OUTPUT),,$@)
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$(QUIET) $(LD) $(CFLAGS) $(LDFLAGS) $(toolobjs) -L$(OUTPUT) -o $@
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$(QUIET) $(LD) $(CFLAGS) $(toolobjs) $(LDFLAGS) -L$(OUTPUT) -o $@
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$(ECHO) " STRIP " $(subst $(OUTPUT),,$@)
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$(QUIET) $(STRIPCMD) $@
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‎tools/power/acpi/man/pfrut.8

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.TH "PFRUT" "8" "October 2021" "pfrut 1.0" ""
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.hy
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.SH Name
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.PP
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pfrut \- Platform Firmware Runtime Update and Telemetry tool
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.SH SYNOPSIS
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.PP
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\f[B]pfrut\f[R] [\f[I]Options\f[R]]
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.SH DESCRIPTION
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.PP
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The PFRUT(Platform Firmware Runtime Update and Telemetry) kernel interface is designed
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to
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.PD 0
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.P
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.PD
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interact with the platform firmware interface defined in the
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.PD 0
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.P
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.PD
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Management Mode Firmware Runtime
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Update (https://uefi.org/sites/default/files/resources/Intel_MM_OS_Interface_Spec_Rev100.pdf)
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.PD 0
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.P
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.PD
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\f[B]pfrut\f[R] is the tool to interact with the kernel interface.
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.PD 0
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.P
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.PD
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.SH OPTIONS
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.TP
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.B \f[B]\-h\f[R], \f[B]\-\-help\f[R]
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Display helper information.
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.TP
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.B \f[B]\-l\f[R], \f[B]\-\-load\f[R]
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Load the capsule file into the system.
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To be more specific, the capsule file will be copied to the
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communication buffer.
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.TP
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.B \f[B]\-s\f[R], \f[B]\-\-stage\f[R]
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Stage the capsule image from communication buffer into Management Mode
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and perform authentication.
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.TP
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.B \f[B]\-a\f[R], \f[B]\-\-activate\f[R]
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Activate a previous staged capsule image.
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.TP
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.B \f[B]\-u\f[R], \f[B]\-\-update\f[R]
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Perform both stage and activation actions.
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.TP
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.B \f[B]\-q\f[R], \f[B]\-\-query\f[R]
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Query the update capability.
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.TP
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.B \f[B]\-d\f[R], \f[B]\-\-setrev\f[R]
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Set the revision ID of code injection/driver update.
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.TP
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.B \f[B]\-D\f[R], \f[B]\-\-setrevlog\f[R]
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Set the revision ID of telemetry.
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.TP
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.B \f[B]\-G\f[R], \f[B]\-\-getloginfo\f[R]
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Get telemetry log information and print it out.
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.TP
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.B \f[B]\-T\f[R], \f[B]\-\-type\f[R]
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Set the telemetry log data type.
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.TP
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.B \f[B]\-L\f[R], \f[B]\-\-level\f[R]
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Set the telemetry log level.
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.TP
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.B \f[B]\-R\f[R], \f[B]\-\-read\f[R]
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Read all the telemetry data and print it out.
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.SH EXAMPLES
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.PP
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\f[B]pfrut \-G\f[R]
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.PP
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log_level:4
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.P
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.PD
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log_type:0
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.PD 0
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.P
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.PD
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log_revid:2
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.PD 0
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.P
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.PD
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max_data_size:65536
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.PD 0
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.P
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.PD
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chunk1_size:0
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.PD 0
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.P
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.PD
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chunk2_size:1401
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.PD 0
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.P
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.PD
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rollover_cnt:0
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.PD 0
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.P
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.PD
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reset_cnt:4
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.PP
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\f[B]pfru \-q\f[R]
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.PP
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code injection image type:794bf8b2\-6e7b\-454e\-885f\-3fb9bb185402
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.PD 0
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.P
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.PD
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fw_version:0
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.PD 0
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.P
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.PD
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code_rt_version:1
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.PD 0
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.P
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.PD
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driver update image type:0e5f0b14\-f849\-7945\-ad81\-bc7b6d2bb245
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.PD 0
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.P
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.PD
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drv_rt_version:0
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.PD 0
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.P
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.PD
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drv_svn:0
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.PD 0
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.P
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.PD
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platform id:39214663\-b1a8\-4eaa\-9024\-f2bb53ea4723
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.PD 0
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.P
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.PD
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oem id:a36db54f\-ea2a\-e14e\-b7c4\-b5780e51ba3d
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.PP
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\f[B]pfrut \-l yours.cap \-u \-T 1 \-L 4\f[R]
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.SH AUTHORS
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Chen Yu.

‎tools/power/acpi/tools/pfrut/Makefile

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# SPDX-License-Identifier: GPL-2.0+
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include ../../Makefile.config
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TOOL = pfrut
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EXTRA_INSTALL = install-man
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EXTRA_UNINSTALL = uninstall-man
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CFLAGS += -Wall -O2
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CFLAGS += -DPFRUT_HEADER='"../../../../../include/uapi/linux/pfrut.h"'
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LDFLAGS += -luuid
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TOOL_OBJS = \
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pfrut.o
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include ../../Makefile.rules
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install-man: $(srctree)/man/pfrut.8
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$(ECHO) " INST " pfrut.8
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$(QUIET) $(INSTALL_DATA) -D $< $(DESTDIR)$(mandir)/man8/pfrut.8
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uninstall-man:
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$(ECHO) " UNINST " pfrut.8
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$(QUIET) rm -f $(DESTDIR)$(mandir)/man8/pfrut.8

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