9826c8d092
On userdebug & eng builds, change permission of SJTAG writable sysfs files that need to be written to 'system'. This became necessary after HSUM separated main user from the SYSTEM user Bug: 374645181 Flag: EXEMPT bugfix Test: Ensure that there is "Privileged Debugging" item in BetterBug settings. Signed-off-by: Kostya Yarmash <kyarmash@google.com> (cherry picked from https://googleplex-android-review.googlesource.com/q/commit:cfde8e50cc66c22ca44da58f4a35c0b3e055646f) Change-Id: I12857abcb94b4a7e6a068ea712c7f21c3de205ff
60 lines
2.7 KiB
Text
60 lines
2.7 KiB
Text
# SJTAG
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on init
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chown system system /sys/devices/platform/sjtag_ap/interface/access_lvl
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chown system system /sys/devices/platform/sjtag_ap/interface/auth
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chown system system /sys/devices/platform/sjtag_ap/interface/begin
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chown system system /sys/devices/platform/sjtag_ap/interface/dbg_domain
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chown system system /sys/devices/platform/sjtag_ap/interface/dbg_itvl
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chown system system /sys/devices/platform/sjtag_ap/interface/end
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chown system system /sys/devices/platform/sjtag_ap/interface/pubkey
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chown system system /sys/devices/platform/sjtag_gsa/interface/access_lvl
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chown system system /sys/devices/platform/sjtag_gsa/interface/auth
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chown system system /sys/devices/platform/sjtag_gsa/interface/begin
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chown system system /sys/devices/platform/sjtag_gsa/interface/dbg_domain
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chown system system /sys/devices/platform/sjtag_gsa/interface/dbg_itvl
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chown system system /sys/devices/platform/sjtag_gsa/interface/end
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chown system system /sys/devices/platform/sjtag_gsa/interface/pubkey
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# HSUM separated main user from the SYSTEM user, granting write permissions
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# for write only SJTAG sysfs files
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chmod 220 /sys/devices/platform/sjtag_ap/interface/auth
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chmod 220 /sys/devices/platform/sjtag_ap/interface/begin
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chmod 220 /sys/devices/platform/sjtag_ap/interface/end
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chmod 220 /sys/devices/platform/sjtag_gsa/interface/auth
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chmod 220 /sys/devices/platform/sjtag_gsa/interface/begin
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chmod 220 /sys/devices/platform/sjtag_gsa/interface/end
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on property:vendor.debug.ramdump.force_crash=true
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write /sys/kernel/pixel_debug/trigger "null"
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on property:power.battery_input.suspended=true
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write /sys/kernel/debug/google_charger/input_suspend 1
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on property:power.battery_input.suspended=false
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write /sys/kernel/debug/google_charger/input_suspend 0
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# Bluetooth
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on post-fs-data
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chown bluetooth system /dev/logbuffer_btlpm
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chown bluetooth system /dev/logbuffer_btpower
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chown bluetooth system /dev/logbuffer_tty18
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# pKVM performance is different on A0 and B0 chips.
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# Add extra tag to metrics collected on A0 to separate the results.
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on property:ro.revision=PROTO1.0
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setprop debug.hypervisor.metrics_tag "hwrev_a0"
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on property:ro.revision=PROTO1.1
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setprop debug.hypervisor.metrics_tag "hwrev_a0"
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on property:ro.revision=EVT1.0
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setprop debug.hypervisor.metrics_tag "hwrev_a0"
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service vendor.check_ap_pd_auth_sh /vendor/bin/init.check_ap_pd_auth.sh
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class main
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user root
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group root system
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oneshot
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# Enable etm/etm2dram when ramdump is enabled, and ap-sjtag is unlocked.
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on property:ro.boot.ramdump=enabled && property:ro.vendor.sjtag_ap_is_unlocked=true
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write /sys/devices/platform/exynos-etm/etm_on 1
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write /sys/devices/platform/etm2dram/arm 1
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