MTK 平台项目系统签名流程 及 security boot 开启/关闭

以 https://online.mediatek.com/FAQ#/SW/FAQ26691 为基础做如下记录以做备忘：

How to Enable/Disable Secure Boot for Security 3.0:

1、 How to Enable

      Path      Enable
Preloader      /vendor/mediatek/proprietary/bootable/bootloader/preloader/custom/{Project Name}/{Project Name}.mk     

MTK_SECURITY_SW_SUPPORT=yes

MTK_SECURITY_ANTI_ROLLBACK=yes    

     \\Note:配置该项会打开anti-rollback

MTK_SEC_BOOT = ATTR_SBOOT_ENABLE

     \\ATTR_SBOOT_ENABLE: always enable       

     \\ATTR_SBOOT_ONLY_ENABLE_ON_SCHIP:enable depend on SBC_EN

MTK_SEC_USBDL = ATTR_SUSBDL_ENABLE

    \\ATTR_SUSBDL_ENABLE: always enable）

    \\ ATTR_SUSBDL_ONLY_ENABLE_ON_SCHIP: enable depend on SBC_EN
lk2     /vendor/mediatek/proprietary/bootable/bootloader/lk2/project/{Project name}.mk     

MTK_SECURITY_SW_SUPPORT=yes

MTK_SECURITY_ANTI_ROLLBACK=yes 

    \\Note:配置该项会打开anti-rollback
Kernel     

/kernel-5.10/arch/arm64/configs/{Project Name}_defconfig

/kernel-5.10/arch/arm64/configs/{Project Name}_debug_defconfig

   ( e.g.   /kernel-5.10/arch/arm64/configs/k6983v1_64_defconfig)
    

CONFIG_MTK_SECURITY_SW_SUPPORT=m
/device/mediateksample/{PROJECT}/ko_order_table.csv     

在ko_order_table.csv新增如下配置:

sec.ko,/drivers/misc/mediatek/masp/sec.ko,vendor,Y,Y,user/userdebug/eng

2、 How to Disable:

      Path      Enable
Preloader      /vendor/mediatek/proprietary/bootable/bootloader/preloader/custom/{Project Name}/{Project Name}.mk     

MTK_SECURITY_SW_SUPPORT=no

MTK_SECURITY_ANTI_ROLLBACK=no