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support android-14.0.0_r75

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This commit is contained in:
Ziyang Zhou
2025-06-15 21:44:49 +08:00
parent 80068271cd
commit 2f056e6c18
20 changed files with 896 additions and 0 deletions
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143
android-14.0.0_r75/system/core/0001-fix-booting.patch Normal file
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@@ -0,0 +1,143 @@
From 8929a18a1032b9b4c21875383a5d54bd2703939e Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Sun, 9 May 2021 23:09:00 +0800
Subject: [PATCH 1/6] fix booting
---
fs_mgr/libfstab/boot_config.cpp | 6 ++++--
init/first_stage_init.cpp | 22 ++++++++++++++++++----
init/service.cpp | 3 ++-
rootdir/init.rc | 1 -
4 files changed, 24 insertions(+), 8 deletions(-)
diff --git a/fs_mgr/libfstab/boot_config.cpp b/fs_mgr/libfstab/boot_config.cpp
index b21495e..15e597f 100644
--- a/fs_mgr/libfstab/boot_config.cpp
+++ b/fs_mgr/libfstab/boot_config.cpp
@@ -154,13 +154,15 @@ bool GetKernelCmdlineFromString(const std::string& cmdline, const std::string& k
void ImportKernelCmdline(const std::function<void(std::string, std::string)>& fn) {
std::string cmdline;
- android::base::ReadFileToString("/proc/cmdline", &cmdline);
+ android::base::ReadFileToString("/proc/self/cmdline", &cmdline);
+ std::replace(cmdline.begin(), cmdline.end(), '\0', ' ');
ImportKernelCmdlineFromString(android::base::Trim(cmdline), fn);
}
bool GetKernelCmdline(const std::string& key, std::string* out) {
std::string cmdline;
- android::base::ReadFileToString("/proc/cmdline", &cmdline);
+ android::base::ReadFileToString("/proc/self/cmdline", &cmdline);
+ std::replace(cmdline.begin(), cmdline.end(), '\0', ' ');
return GetKernelCmdlineFromString(android::base::Trim(cmdline), key, out);
}
diff --git a/init/first_stage_init.cpp b/init/first_stage_init.cpp
index c4d0f75..fdad43a 100644
--- a/init/first_stage_init.cpp
+++ b/init/first_stage_init.cpp
@@ -36,6 +36,7 @@
#include <android-base/chrono_utils.h>
#include <android-base/file.h>
#include <android-base/logging.h>
+#include <android-base/strings.h>
#include <android-base/stringprintf.h>
#include <modprobe/modprobe.h>
#include <private/android_filesystem_config.h>
@@ -334,6 +335,8 @@ int FirstStageMain(int argc, char** argv) {
CHECKCALL(mkdir("/dev/pts", 0755));
CHECKCALL(mkdir("/dev/socket", 0755));
CHECKCALL(mkdir("/dev/dm-user", 0755));
+ mount("/system/etc", "/etc", "none", MS_BIND, NULL); // cgroup fix
+ unshare(CLONE_NEWCGROUP);
CHECKCALL(mount("devpts", "/dev/pts", "devpts", 0, NULL));
#define MAKE_STR(x) __STRING(x)
CHECKCALL(mount("proc", "/proc", "proc", 0, "hidepid=2,gid=" MAKE_STR(AID_READPROC)));
@@ -397,7 +400,6 @@ int FirstStageMain(int argc, char** argv) {
for (const auto& [error_string, error_errno] : errors) {
LOG(ERROR) << error_string << " " << strerror(error_errno);
}
- LOG(FATAL) << "Init encountered errors starting first stage, aborting";
}
LOG(INFO) << "init first stage started!";
@@ -515,6 +517,7 @@ int FirstStageMain(int argc, char** argv) {
if (!fsm) {
fsm = CreateFirstStageMount(cmdline);
}
+ #if 0
if (!fsm) {
LOG(FATAL) << "FirstStageMount not available";
}
@@ -524,8 +527,9 @@ int FirstStageMain(int argc, char** argv) {
}
if (!fsm->DoFirstStageMount()) {
- LOG(FATAL) << "Failed to mount required partitions early ...";
+ LOG(ERROR) << "Failed to mount required partitions early ...";
}
+ #endif
}
struct stat new_root_info {};
@@ -544,12 +548,22 @@ int FirstStageMain(int argc, char** argv) {
1);
const char* path = "/system/bin/init";
- const char* args[] = {path, "selinux_setup", nullptr};
+ std::vector<const char *> args = {path, "second_stage"};
+ std::string init_cmdline;
+ android::base::ReadFileToString("/proc/self/cmdline", &init_cmdline);
+ std::replace(init_cmdline.begin(), init_cmdline.end(), '\0', ' ');
+ auto cmd_vector = android::base::Split(android::base::Trim(init_cmdline), " ");
+ int i = 0;
+ for (const auto& entry : cmd_vector) {
+ if (i++ == 0) continue; // ignore first arg '/init'
+ args.push_back(entry.c_str());
+ }
+ args.push_back(nullptr);
auto fd = open("/dev/kmsg", O_WRONLY | O_CLOEXEC);
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
close(fd);
- execv(path, const_cast<char**>(args));
+ execv(path, const_cast<char**>(args.data()));
// execv() only returns if an error happened, in which case we
// panic and never fall through this conditional.
diff --git a/init/service.cpp b/init/service.cpp
index eb24dd5..9ab2f94 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -76,6 +76,7 @@ namespace android {
namespace init {
static Result<std::string> ComputeContextFromExecutable(const std::string& service_path) {
+ se_hack1("HACKED");
std::string computed_context;
char* raw_con = nullptr;
@@ -367,7 +368,7 @@ void Service::Reap(const siginfo_t& siginfo) {
if (!GetBoolProperty("init.svc_debug.no_fatal." + name_, false)) {
// Aborts into `fatal_reboot_target_'.
SetFatalRebootTarget(fatal_reboot_target_);
- LOG(FATAL) << "critical process '" << name_ << "' exited 4 times "
+ LOG(ERROR) << "critical process '" << name_ << "' exited 4 times "
<< exit_reason;
}
} else {
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 8a2ed9f..e14d7f1 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -572,7 +572,6 @@ on post-fs
# Once everything is setup, no need to modify /.
# The bind+remount combination allows this to work in containers.
- mount rootfs rootfs / remount bind ro nodev
# Mount default storage into root namespace
mount none /mnt/user/0 /storage bind rec
--
2.49.0

25
android-14.0.0_r75/system/core/0002-allow-override-ro.-prop.patch Normal file
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@@ -0,0 +1,25 @@
From 229572b701e8bc949acbd45b7355b4661aab21b4 Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Sat, 26 Jun 2021 05:42:24 +0000
Subject: [PATCH 2/6] allow override ro.* prop
---
init/property_service.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git a/init/property_service.cpp b/init/property_service.cpp
index 157fc70..7197230 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -1364,6 +1364,8 @@ static void ProcessKernelCmdline() {
android::fs_mgr::ImportKernelCmdline([&](const std::string& key, const std::string& value) {
if (StartsWith(key, ANDROIDBOOT_PREFIX)) {
InitPropertySet("ro.boot." + key.substr(ANDROIDBOOT_PREFIX.size()), value);
+ } else if (StartsWith(key, "ro.")) {
+ InitPropertySet(key, value);
}
});
}
--
2.49.0

26
android-14.0.0_r75/system/core/0003-ignore-input-subsystem.patch Normal file
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@@ -0,0 +1,26 @@
From b324f06ebb6b170e444288bfbc3f06379b740eaf Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Fri, 25 Jun 2021 15:56:47 +0000
Subject: [PATCH 3/6] ignore input subsystem
---
rootdir/ueventd.rc | 3 ---
1 file changed, 3 deletions(-)
diff --git a/rootdir/ueventd.rc b/rootdir/ueventd.rc
index 3927501..404da8f 100644
--- a/rootdir/ueventd.rc
+++ b/rootdir/ueventd.rc
@@ -12,9 +12,6 @@ subsystem drm
devname uevent_devpath
dirname /dev/dri
-subsystem input
- devname uevent_devpath
- dirname /dev/input
subsystem sound
devname uevent_devpath
--
2.49.0

24
android-14.0.0_r75/system/core/0004-ignore-devfs-mount.patch Normal file
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@@ -0,0 +1,24 @@
From c94d39764a46fc834e7a996c5131605875fc667e Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Fri, 17 Dec 2021 22:44:33 +0800
Subject: [PATCH 4/6] ignore devfs mount
---
init/first_stage_init.cpp | 1 -
1 file changed, 1 deletion(-)
diff --git a/init/first_stage_init.cpp b/init/first_stage_init.cpp
index fdad43a..5d1d3dd 100644
--- a/init/first_stage_init.cpp
+++ b/init/first_stage_init.cpp
@@ -331,7 +331,6 @@ int FirstStageMain(int argc, char** argv) {
CHECKCALL(setenv("PATH", _PATH_DEFPATH, 1));
// Get the basic filesystem setup we need put together in the initramdisk
// on / and then we'll let the rc file figure out the rest.
- CHECKCALL(mount("tmpfs", "/dev", "tmpfs", MS_NOSUID, "mode=0755"));
CHECKCALL(mkdir("/dev/pts", 0755));
CHECKCALL(mkdir("/dev/socket", 0755));
CHECKCALL(mkdir("/dev/dm-user", 0755));
--
2.49.0

24
android-14.0.0_r75/system/core/0005-auto-alloc-binder-devices.patch Normal file
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@@ -0,0 +1,24 @@
From 054bb61d9c0779fca4109a59470f74e27a9aa879 Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Thu, 6 Jan 2022 20:47:28 +0800
Subject: [PATCH 5/6] auto alloc binder devices
---
rootdir/init.rc | 1 +
1 file changed, 1 insertion(+)
diff --git a/rootdir/init.rc b/rootdir/init.rc
index e14d7f1..cb8a8a7 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -259,6 +259,7 @@ on init
mkdir /dev/binderfs
mount binder binder /dev/binderfs stats=global
chmod 0755 /dev/binderfs
+ exec -- /vendor/bin/binder_alloc /dev/binderfs/binder-control binder hwbinder vndbinder
# Mount fusectl
mount fusectl none /sys/fs/fuse/connections
--
2.49.0

24
android-14.0.0_r75/system/core/0006-skip-fusectl-mount.patch Normal file
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@@ -0,0 +1,24 @@
From 5726bb74f92ce7e0ce9f9409c7f6d9420e297b49 Mon Sep 17 00:00:00 2001
From: Ziyang Zhou <ziyang.zhou@outlook.com>
Date: Sat, 2 Sep 2023 17:10:16 +0800
Subject: [PATCH 6/6] skip fusectl mount
---
rootdir/init.rc | 1 -
1 file changed, 1 deletion(-)
diff --git a/rootdir/init.rc b/rootdir/init.rc
index cb8a8a7..60dd1d6 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -262,7 +262,6 @@ on init
exec -- /vendor/bin/binder_alloc /dev/binderfs/binder-control binder hwbinder vndbinder
# Mount fusectl
- mount fusectl none /sys/fs/fuse/connections
symlink /dev/binderfs/binder /dev/binder
symlink /dev/binderfs/hwbinder /dev/hwbinder
--
2.49.0