Imported files

README.md

@@ -1,3 +1,5 @@
 # xiaomi-laurel_sprout-pmOS
 
-APKBUILDs for laurel_sprout
+Build templates for Xiaomi Mi A3 (laurel_sprout). **NOT BOOTING** as of now, so if anyone wants to contribute, you're free to commit potential fixes.
+
+![Mi A3 on Fastboot](device.png)

device-xiaomi-laurel_sprout/APKBUILD

@@ -0,0 +1,29 @@
+# Reference: <https://postmarketos.org/devicepkg>
+pkgname=device-xiaomi-laurel_sprout
+pkgdesc="Xiaomi Mi A3"
+pkgver=0.1
+pkgrel=0
+url="https://postmarketos.org"
+license="MIT"
+arch="aarch64"
+options="!check !archcheck"
+depends="
+	linux-xiaomi-laurel_sprout
+	mesa-dri-gallium
+	mkbootimg
+	postmarketos-base
+"
+makedepends="devicepkg-dev"
+source="deviceinfo"
+
+build() {
+	devicepkg_build $startdir $pkgname
+}
+
+package() {
+	devicepkg_package $startdir $pkgname
+}
+
+sha512sums="
+ab9a6d1aaa755700547a0b7fae25772a340322dd1a48b2488b375a487dad2a0b0bb18018b491c12d5b8a5ff41e760d48f565b1a0f38a4527dfe7a1a6fa26af44  deviceinfo
+"

device-xiaomi-laurel_sprout/deviceinfo

@@ -0,0 +1,38 @@
+# Reference: <https://postmarketos.org/deviceinfo>
+# Please use double quotes only. You can source this file in shell
+# scripts.
+
+deviceinfo_format_version="0"
+deviceinfo_name="Xiaomi Mi A3"
+deviceinfo_manufacturer="Xiaomi"
+deviceinfo_codename="xiaomi-laurel_sprout"
+deviceinfo_year="2019"
+deviceinfo_dtb=""
+deviceinfo_modules_initfs=""
+deviceinfo_arch="aarch64"
+
+# Device related
+deviceinfo_chassis="handset"
+deviceinfo_keyboard="false"
+deviceinfo_external_storage="true"
+deviceinfo_screen_width="1560"
+deviceinfo_screen_height="720"
+deviceinfo_no_framebuffer="true"
+deviceinfo_getty="ttyMSM0;115200"
+
+# Bootloader related
+deviceinfo_flash_method="fastboot"
+deviceinfo_flash_fastboot_partition_vbmeta="vbmeta"
+deviceinfo_flash_sparse=true
+deviceinfo_kernel_cmdline="console=ttyMSM0,115200n8 androidboot.hardware=qcom androidboot.console=ttyMSM0 androidboot.memcg=1 lpm_levels.sleep_disabled=1 video=vfb:640x400,bpp=32,memsize=3072000 msm_rtb.filter=0x237 service_locator.enable=1 swiotlb=1 earlycon=msm_geni_serial,0x4a90000 loop.max_part=7 cgroup.memory=nokmem,nosocket buildvariant=user"
+deviceinfo_generate_bootimg="true"
+deviceinfo_bootimg_qcdt="false"
+deviceinfo_bootimg_mtk_mkimage="false"
+deviceinfo_bootimg_dtb_second="false"
+deviceinfo_flash_pagesize="4096"
+deviceinfo_flash_offset_base="0x00000000"
+deviceinfo_flash_offset_kernel="0x00008000"
+deviceinfo_flash_offset_ramdisk="0x01000000"
+deviceinfo_flash_offset_second="0x00f00000"
+deviceinfo_flash_offset_tags="0x00000100"
+deviceinfo_rootfs_image_sector_size="4096"

linux-xiaomi-laurel_sprout/0001-always_boot_to_initramfs.patch

@@ -0,0 +1,24 @@
+From 4995be221047acf5b40610e5c4eacf4b75434500 Mon Sep 17 00:00:00 2001
+From: NeKit <nekit1000@gmail.com>
+Date: Mon, 18 Mar 2019 22:02:40 +0100
+Subject: [PATCH] (hybris) always boot to initramfs
+
+---
+ init/initramfs.c | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/init/initramfs.c b/init/initramfs.c
+index 52059169..54768fd3 100644
+--- a/init/initramfs.c
++++ b/init/initramfs.c
+@@ -612,7 +612,9 @@ static int __init skip_initramfs_param(char *str)
+ {
+ 	if (*str)
+ 		return 0;
+-	do_skip_initramfs = 1;
++	// Halium: always boot to initramfs
++	//do_skip_initramfs = 1;
++	do_skip_initramfs = 0;
+ 	return 1;
+ }
+ __setup("skip_initramfs", skip_initramfs_param);

linux-xiaomi-laurel_sprout/0002-disable_skip_initramfs.patch

@@ -0,0 +1,18 @@
+diff --git a/init/initramfs.c b/init/initramfs.c
+index bf3af10c500a..1c74b6d70e5e 100644
+--- a/init/initramfs.c
++++ b/init/initramfs.c
+@@ -622,11 +622,11 @@ static int __init populate_rootfs(void)
+ {
+ 	char *err;
+ 
+-	if (do_skip_initramfs) {
++	/*if (do_skip_initramfs) {
+ 		if (initrd_start)
+ 			free_initrd();
+ 		return default_rootfs();
+-	}
++	}*/
+ 
+ 	err = unpack_to_rootfs(__initramfs_start, __initramfs_size);
+ 	if (err)

linux-xiaomi-laurel_sprout/0003-remove_bootloader_cmdline_opts.patch

@@ -0,0 +1,80 @@
+From 92e3310d2db157deacb86ef5db8c8c8d38251312 Mon Sep 17 00:00:00 2001
+From: Alexey Min <alexey.min@gmail.com>
+Date: Wed, 11 Sep 2019 21:51:40 +0300
+Subject: [PATCH 3/6] Add config option to fix bootloader cmdline args
+
+Android bootloader passes some arguments in kernel command
+line, that make booting custom OSes harder:
+
+ * skip_initramfs
+ * root=PARTUUID=...
+ * init=/init
+
+Those parameters override default boot partition to hardcoded,
+set init binary to /init, disable booting from initramfs.
+
+If enabled, those parameters will be erased from bootloader's
+command line, and custom OS can boot the way it likes.
+
+Signed-off-by: Alexey Min <alexey.min@gmail.com>
+---
+ arch/arm64/Kconfig | 17 +++++++++++++++++
+ drivers/of/fdt.c   | 14 ++++++++++++++
+ 2 files changed, 31 insertions(+)
+
+diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
+index 2829edba6aa5..bd9f05f83c7e 100644
+--- a/arch/arm64/Kconfig
++++ b/arch/arm64/Kconfig
+@@ -1125,6 +1125,23 @@ config CMDLINE_FORCE
+ 	  command-line options your boot loader passes to the kernel.
+ endchoice
+ 
++config CMDLINE_DROP_DANGEROUS_ANDROID_OPTIONS
++	bool "Drop certain dangerous options from cmdline"
++	default n
++	help
++	  Android bootloader passes some arguments in kernel command
++	  line, that make booting custom OSes harder:
++	  
++	    * skip_initramfs
++	    * root=PARTUUID=...
++	    * init=/init
++	  
++	  Those parameters override default boot partition to hardcoded,
++	  set init binary to /init, disable booting from initramfs.
++	  
++	  If enabled, those parameters will be erased from bootloader's
++	  command line, and custom OS can boot the way it likes.
++
+ config EFI_STUB
+ 	bool
+ 
+diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
+index ca175710c4c8..fd8257589648 100644
+--- a/drivers/of/fdt.c
++++ b/drivers/of/fdt.c
+@@ -1012,6 +1012,20 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
+ 
+ 	pr_debug("Command line is: %s\n", (char*)data);
+ 
++#ifdef CONFIG_CMDLINE_DROP_DANGEROUS_ANDROID_OPTIONS
++	pr_err("Replacing dangerous cmdline options...");
++	cmdline = strstr((const char *)data, "skip_initramfs");
++	if (cmdline)
++		*cmdline = '_';
++	cmdline = strstr((const char *)data, "root=");
++	if (cmdline)
++		*cmdline = '_';
++	cmdline = strstr((const char *)data, "init=");
++	if (cmdline)
++		*cmdline = '_';
++	pr_err("Command line now is: %s\n", (char*)data);
++#endif
++
+ 	/* break now */
+ 	return 1;
+ }
+-- 
+2.24.1
+

linux-xiaomi-laurel_sprout/0004-selinux_include_generated_headers.patch

@@ -0,0 +1,33 @@
+Arm64 has generated headers that other arches don't, didn't investigate why this
+is able to compile in downstream (our upstream). Possibly due to out-of-tree build.
+Note the hacky relative include. May not work in more complicated setups.
+
+diff --git a/scripts/selinux/genheaders/Makefile b/scripts/selinux/genheaders/Makefile
+index e8c533140..62475f060 100644
+--- a/scripts/selinux/genheaders/Makefile
++++ b/scripts/selinux/genheaders/Makefile
+@@ -2,6 +2,8 @@
+ hostprogs-y	:= genheaders
+ HOST_EXTRACFLAGS += \
+ 	-I$(srctree)/include/uapi -I$(srctree)/include \
+-	-I$(srctree)/security/selinux/include
++	-I$(srctree)/security/selinux/include \
++	-I./arch/$(ARCH)/include/generated/uapi \
++	-I$(srctree)/arch/$(ARCH)/include/uapi
+ 
+ always		:= $(hostprogs-y)
+diff --git a/scripts/selinux/mdp/Makefile b/scripts/selinux/mdp/Makefile
+index e9c92db7e..09e626fa4 100644
+--- a/scripts/selinux/mdp/Makefile
++++ b/scripts/selinux/mdp/Makefile
+@@ -2,7 +2,9 @@
+ hostprogs-y	:= mdp
+ HOST_EXTRACFLAGS += \
+ 	-I$(srctree)/include/uapi -I$(srctree)/include \
+-	-I$(srctree)/security/selinux/include
++	-I$(srctree)/security/selinux/include \
++	-I./arch/$(ARCH)/include/generated/uapi \
++	-I$(srctree)/arch/$(ARCH)/include/uapi
+ 
+ always		:= $(hostprogs-y)
+ clean-files	:= policy.* file_contexts

linux-xiaomi-laurel_sprout/APKBUILD

@@ -0,0 +1,69 @@
+# Reference: <https://postmarketos.org/vendorkernel>
+# Kernel config based on: arch/arm64/configs/(CHANGEME!)
+
+pkgname=linux-xiaomi-laurel_sprout
+pkgver=4.14.117
+pkgrel=0
+pkgdesc="Xiaomi Mi A3 kernel fork"
+arch="aarch64"
+_carch="arm64"
+_flavor="xiaomi-laurel_sprout"
+url="https://kernel.org"
+license="GPL-2.0-only"
+options="!strip !check !tracedeps pmb:cross-native"
+makedepends="
+	bash
+	bc
+	bison
+	devicepkg-dev
+	flex
+	openssl-dev
+	linux-headers
+	perl
+	clang
+"
+
+# Source
+_repository="android_kernel_xiaomi_laurel_sprout"
+_commit="18cce7c37b08cf3b8cb013ac648f03a7361ac215"
+_config="config-$_flavor.$arch"
+source="
+	$pkgname-$_commit.tar.gz::https://github.com/AOSPA/$_repository/archive/$_commit.tar.gz
+	$_config
+	0001-always_boot_to_initramfs.patch
+	0002-disable_skip_initramfs.patch
+	0003-remove_bootloader_cmdline_opts.patch
+	0004-selinux_include_generated_headers.patch
+"
+builddir="$srcdir/$_repository-$_commit"
+_outdir="out"
+
+prepare() {
+	default_prepare
+	REPLACE_GCCH=0
+	. downstreamkernel_prepare
+}
+
+build() {
+	unset LDFLAGS
+	make O="$_outdir" ARCH="$_carch" CC="clang" HOSTCC="clang" \
+		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
+}
+
+package() {
+	downstreamkernel_package "$builddir" "$pkgdir" "$_carch" "$_flavor" "$_outdir"
+	# Modules
+	unset LDFLAGS
+	make O="$_outdir" ARCH="$_carch" CC="clang" \
+		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS" \
+		INSTALL_MOD_PATH="$pkgdir" modules_install
+}
+
+sha512sums="
+2cebedae30ffc2ff16b5f8d6b93f7edeb7d28e88cbecdf7835dcdd3ceaabc61a3b5aee3085fea385e4644aaadd371e0109356eb0a21135d97fcfe6bf6a4c8b04  linux-xiaomi-laurel_sprout-18cce7c37b08cf3b8cb013ac648f03a7361ac215.tar.gz
+65b37d0298dd9121cd014dc9e15ad02148d306e6161c4f8d091757722d1cdc00447a52c9a06e6303d63e49b169c1992cc12f78ff81de3062600acd62495c17f9  config-xiaomi-laurel_sprout.aarch64
+e2a7a404a7bd404dbda08663ca5f96c38e04e58bd781024c6904115a4775e089775a552583347ab8e2f745d5ab5653a63c08070b3b43b8b4a2f23696e747311e  0001-always_boot_to_initramfs.patch
+65048fb6474fd543b14bc99d9d95cfe5297da239af211d327a8509f7777d489bd01dd911364e0c62ec0e68f4c22ebb3b145eabfe01cad2abf57cf46896a1e58f  0002-disable_skip_initramfs.patch
+9ce867c4254b537ef5d2485780c26b72da8a3a8767ba71557f3b48d6c550e0e14c8c3e575b31bf65d2878f08a8a4926e48a1c2f1be534bf80a7a57f58313b0fd  0003-remove_bootloader_cmdline_opts.patch
+6ab9db01d35f7f5cc2c19ebe5f65a7dc479a1c68de587300cdde9a6c759d34610666c72f0f321cd450cf56c13df3b54a774e0f7ebdbf0f8608fbfd66b49d04e7  0004-selinux_include_generated_headers.patch
+"