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DeprecatedPortingToAndroid10 » History » Version 54

Denis 'GNUtoo' Carikli, 03/28/2019 01:56 PM

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h1. Porting Replicant to Android 9
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h2. Status
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* The Galaxy SIII 4G (i9305) boots (with graphics hacks) under AOSP9, without having to import nonfree libraries. Not much has been validated beside that.
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* The kernel used is based on Linux 5.0-rc6 and has ~150 Android specific patches on top and some patches for the Galaxy SIII 4G (i9305) on top
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h2. Repositories and changes
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* git://git.putti.eu/aosp/manifest_i9305.git
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* git://git.putti.eu/aosp/kernel_i9305.git
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* git://git.putti.eu/aosp/device_i9305.git
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h2. Building
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First get the source code:
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<pre>
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$ repo init -u git://git.putti.eu/aosp/manifest_i9305.git -b android-9.0.0
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</pre>
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For Trisquel8 (WIP):
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<pre>
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sudo apt-get install git-core gnupg flex bison gperf build-essential zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev libgl1-mesa-dev libxml2-utils xsltproc unzip bc python-mako
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</pre>
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Then see the device/putti/i9305/README.md for the build instructions.
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h2. TODO
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|_. Task |_. Time estimation |_. Comments |
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| -Boot a device under AOSP9- | DONE | Only boots with graphics, not much more |
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| Build it under a "FSDG compliant distribution":https://www.gnu.org/distros/free-distros.html like Trisquel8 | 8h | It's difficult to do precise time estimations as it could work out of the box or require one full time month of work depending on how much issues are encountered |
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| Port the changes from AOSP9 to LineageOS 16 | | |
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| Find and remove proprietary software in LineageOS 16 | | |
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| Find and remove privacy issues in LineageOS 16 | | |
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| Cleanup the device code, build the kernel from within Replicant | | |
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| Add support for Audio | | |
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| Port the sensors libraries and other device specific libraries | | |
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| Add support for the i9300 and factorize the code with i9305 | | |
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| Add support for the i9300 modem, touch keys, and flash led | | |
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| Add internal WiFi and external WiFi dongles support | | |
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| Make the modem driver and libsamsung-ipc work together | | |
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| Port libsamsung-ipc and libsamsung-ril to Android 9| | |
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| Rebrand LineageOS as Replicant | | |
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| Create a recovery | | |
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| Create install and upgrade instructions | | |
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| Reduce the attack surface | | |
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| Add in-system upgrades | |
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Add support for smartphones that were supported in Replicant 4.2 and 6.0 if they meet the [[HardwareRequirements]]:
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|_. Device |_. Time estimation |_. Comments |
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| Galaxy Note II (N7100) | |/2. Similar to the Galaxy SIII (I9300) | 
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| Galaxy Note 8.0 (N5100) and 8.0 WiFi (N5110)| |
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| Galaxy S II (i9100) | | linux: devboard dts upstream? unknown status |
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| Galaxy Note (N7000) | | unknown linux upstream status |
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| Galaxy Nexus (I9250) | |/2. OMAP4, no dts upsrteam |
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| Galaxy Tab 2 7.0 (P3100), 7.0 WiFi (P3110), 10.1 (P5100), 10.1 WiFi (P5110) | |
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| GTA04 >= A4 | | TODO: a RIL needs to be written, userspace GPS support is missing, audio scenarios, etc |
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h2. Replicant 6.0 changes
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|_. Repository path |_. rebase worked |_. Changes |
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| build | No | |
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| manifest | No | N/A |
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| bootable/recovery | Yes | * UI changes to improve usability 
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* Branding
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* Small fix(es) | 
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| external/boringssl | Yes | * Small fix(es) |
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| external/heimdall | No | |
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| frameworks/av | Yes | * Software rendering fix(es) |
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| frameworks/base | Yes | * WiFi fixe(s) for external dongles
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* Software rendering fix(es) 
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* Privacy fix(es) 
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* Security improvements 
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* Usability improvements |
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| frameworks/native | No |
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| hardware/broadcom/wlan | Yes | * Remove nonfree software |
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| hardware/libhardware | Yes | * Software rendering fix(es) |
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| hardware/libhardware_legacy | Yes | * Don't depend on nonfree software |
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| hardware/ti/omap4 | Yes | * Remove nonfree software 
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* Don't depend on nonfree software 
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* Small fix(es) |
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| libcore | Yes | * Small fix(es) | 
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| packages/apps/Browser | Yes | * Privacy fix(es) 
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* Branding
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* Small fix(es) |
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| packages/apps/LegacyCamera | Yes | * Software rendering fix(es)
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* Small fix(es) |
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| packages/apps/RepWifi | Not upstreamed, obsolete | N/A |
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| packages/apps/ReplicantWallpapers | Not upstreamed | * Branding |
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| packages/apps/Settings | No | |
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| packages/apps/SetupWizard | Yes | * Privacy fix(es) 
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* Don't depend on nonfree software
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* Branding |
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| packages/apps/ThemeChooser | Yes | * Privacy fix(es) ?
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* Don't depend on nonfree software ? |
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| packages/providers/ContactsProvider | Yes | * Small fix(es) |
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| system/core | Yes | * Branding
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* various fixes |
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| vendor/replicant | No | |
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| vendor/cmsdk | Yes | * Branding |
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| external/chromium-webview | ? | ? |
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| external/drm_gralloc | Yes | * Software rendering fix(es) |
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| external/llvm | Yes | * Software rendering fix(es) |
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| external/mesa3d |  Yes | * Software rendering fix(es)
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* Performance debugging for software rendering |
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| external/parameter-framework | Yes | * Small fix(es) |
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| external/protobuf | N/A | No changes |
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| prebuilts/ndk | ? | ? |
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| prebuilts/sdk | ? | ? |
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| sdk | Yes | * Small fix(es) |
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| toolchain/src/binutils | Yes | * Small fix(es) |
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| toolchain/src/gcc | No | |
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| toolchain/src/jack | Yes | * Small fix(es) |
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| toolchain/src/jill | Yes | * Small fix(es) |
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| kernel/samsung/smdk4412 |/3. Yes |/3. * Security fixes
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* Privacy Fixes (TrustZone)
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* Don't depend on nonfree software
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* Remove nonfree software
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* Small fix(es) |
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| kernel/samsung/tuna |
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| kernel/samsung/espresso10 |
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| device/samsung/i9100 | No |/14. * Replace nonfree software by free software
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* free software sensors implementation(s)
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* free software modem audio implementation(s)
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* Software rendering fix(es)
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* Privacy Fixes (TrustZone)
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* Don't depend on nonfree software
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* Remove nonfree software
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* Branding
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* Small fix(es) |
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| device/samsung/n7000 | Yes |
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| device/samsung/i9300 | No |
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| device/samsung/i9305 | No |
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| device/samsung/n7100 | Yes |
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| device/samsung/n5100 | Yes |
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| device/samsung/n5110 | Yes |
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| device/samsung/maguro | Yes |
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| device/samsung/tuna | Yes |
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| device/samsung/espressowifi | Yes |
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| device/samsung/espresso3g | Yes |
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| device/samsung/galaxys2-common | Yes |
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| device/samsung/smdk4412-common | No |
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| device/samsung/kona-common | Yes |
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| hardware/ril/samsung-ril | Not upstreamed | N/A |
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| external/libsamsung-ipc | Not upstreamed | N/A |
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| hardware/tinyalsa-audio | Not upstreamed? | N/A |
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h2. Links 
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* https://source.android.com/setup/build/requirements