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本文介绍RK3566/RK3568开发板Android11系统,编译ROOT权限固件的方法。触觉智能Purple Pi OH鸿蒙开发板演示,搭载了瑞芯微RK3566四核处理器,Laval鸿蒙社区推荐开发板,已适配全新OpenHarmony5.0 Release系统,SDK源码全开放!
关闭Selinux
修改以下路径文件:
adevice/rockchip/common/BoardConfig.mk
修改代码如下:
BOARD_BOOT_HEADER_VERSION ?= 2 BOARD_MKBOOTIMG_ARGS := BOARD_PREBUILT_DTBOIMAGE ?= $(TARGET_DEVICE_DIR)/dtbo.img BOARD_ROCKCHIP_VIRTUAL_AB_ENABLE ?= false -BOARD_SELINUX_ENFORCING ?= true +BOARD_SELINUX_ENFORCING ?= false
注意:"+"号为修改内容。
system/extras/su/su.cpp修改代码如下:
void extract_uidgids(const char* uidgids, uid_t* uid, gid_t*
gid, gid_t* gids, i
}
int main(int argc, char** argv) {
- uid_t current_uid = getuid();
- if (current_uid != AID_ROOT && current_uid != AID_SHELL) error(1, 0, "notallowed");
+ //uid_t current_uid = getuid();
+ //if (current_uid != AID_ROOT && current_uid != AID_SHELL) error(1, 0, "notallowed");注意:"+"号为修改内容。
system/core/libcutils/fs_config.cpp修改代码如下:
static const struct fs_path_config android_files[] = {
// the following two files are INTENTIONALLY set-uid, but they
// are NOT included on user builds.
{ 06755, AID_ROOT, AID_ROOT, 0, "system/xbin/procmem" },
- { 04750, AID_ROOT, AID_SHELL, 0, "system/xbin/su" },
+ { 06755, AID_ROOT, AID_SHELL, 0, "system/xbin/su" },frameworks/base/core/jni/com_android_internal_os_Zygote.cpp修改代码如下:
kernel/security/commoncap.c修改代码如下:
# make -j4
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