高通 rom 分区表
16lz
2021-01-23
分区 | 描述 |
---|---|
Label | Purpose of this partition |
Modem | Partition for modem |
Fsc | Cookie partition to store Modem File System’s cookies. |
Ssd | Partition for ssd diag module. stores the encrypted RSA keys |
sbl1 | Partition for secondary boot loader |
sbl1bak | Back up Partition for secondary boot loader |
Rpm | Partition for rpm image |
Rpmbak | Back up Partition for rpm image |
Tz | Partition for tz image |
tzbak | Back up Partition for tz image |
Hyp | Partition for hypervisor image |
hypbak | Back up Partition for hypervisor image |
Dsp | Partition for adsp dymanic loaders image |
modemst1 | Copy of Modem File System (Encrypted) |
modemst2 | Copy of Modem File System (Encrypted) |
DDR | Partition for DDR. |
Fsg | olden copy or backup of Modem File System (Encrypted). Also used to pre-populate the file system. |
Sec | Sec.dat contains fuse settings, mainly for secure boot and oem setting |
splash | The splash screen is displayed during the apps bootloader (also called the LK). The display driver in LK will read the splash image data from a separate eMMC partition named as ’splash’ |
aboot | Partition for apps boot loader |
abootbak | Back up Partition for apps boot loader |
boot | This is the boot partition of your android device,It includes the android kernel and the ramdisk. |
recovery | This is specially designed for backup. The recovery partition can be considered as an alternative boot partition |
devinfo | Device information including:iis_unlocked, is_tampered, is_verified, charger_screen_enabled, display_panel, bootloader_version, radio_version All these attirbutes are set based on some specific conditions and written on devinfo partition,. |
system | This partition contains the entire Android OS, other than the kernel and the ramdisk. This includes the Android GUI and all the system applications that come pre-installed on the device |
cache | This is the partition where Android stores frequently accessed data and app components |
persist | Partition entry for persist image. which contains data which shouldn’t be changed after the device shipped, for example: calibration data of chips(wifi, bt, camera, etc.), certificates and other security related files. |
misc | This partition contains miscellaneous system settings in form of on/off switches. These settings may include CID (Carrier or Region ID), USB configuration and certain hardware settings etc |
keystore | Partition for keystore service. |
config | Partition needed during display panel initialization. More info at Display_panel_configuration_in_Device_Tree |
oem | "It is meant for storing OEM specific info. Customer in this case can decide whether he wants to keep this partition or not typically reserved partitions are kept for future use |
limits | Partition to store LMh params on 8976 target. LMh (Limits management) driver in SBL writes the LMh HW trimmed data into separate partition and uses the same data for later reboots |
mota | Backup partition for M ota upgrade |
devcfg | Partition needed by TZ for M upgrades. |
Dip | Partition needed for SafeSwitch, feature (FR26255) designed to allow OEMs and carriers to address new smartphone theft bill issues. |
mdtp | Partition needed for SafeSwitch, feature (FR26255) designed to allow OEMs and carriers to address new smartphone theft bill issues. |
userdata | Partition for userdata image |
cmnlib | Verified boot feature introduced in M needLK to load cmnlib corresponding partitions |
keymaster | Verified boot feature introduced in M needs LK to load keymaster from corresponding partitions |
syscfg | Syscfg is internal testing for Vmin and CPR characterization |
mcfg | All MBNs place holder in flash. Specific MBN would be loaded by mcfg image based on the SIM/Carrier. |
msadp | used for modem debug policy |
apdp | used for persisting the debug policy. “Debug policy” is used to better support development and debug on secure/fuse-blown devices One instance of the debug policy will be signed for the AP |
dpo | This partition will store a policy override |
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