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Difference between revisions of "TYPE"

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Line 56: Line 56:
 
| Alamo
  
| Alamo
 
| almo
  
| almo
  +
|
 
|-
  
|-
 
| ANE Firmware
  
| ANE Firmware
 
| anef
  
| anef
  +
|
 
|-
  
|-
 
| AOP
  
| AOP
 
| aopf
  
| aopf
  +
|
 
|-
  
|-
 
| [[AppleLogo]]
  
| [[AppleLogo]]
 
| logo
  
| logo
  +
| Used during boot
 
|-
  
|-
 
| Audio Codec Firmware
  
| Audio Codec Firmware
 
| acfw
  
| acfw
  +
|
 
|-
  
|-
 
| AVE Firmware
  
| AVE Firmware
 
| avef
  
| avef
  +
|
 
|-
  
|-
 
| [[BatteryCharging0]]
  
| [[BatteryCharging0]]
 
| chg0
  
| chg0
−
| Charging indicator (bright)
 +
| Charging indicator (bright), used in the battery low screen
 
|-
  
|-
 
| [[BatteryCharging1]]
  
| [[BatteryCharging1]]
 
| chg1
  
| chg1
−
| Charging Indicator (dim)
 +
| Charging Indicator (dim), used in the battery low screen
 
|-
  
|-
 
| [[BatteryFull]]
  
| [[BatteryFull]]
 
| batF
  
| batF
  +
| Only used in China to indicate battery status while device is off.
 
|-
  
|-
 
| [[BatteryLow0]]
  
| [[BatteryLow0]]
 
| bat0
  
| bat0
−
| Empty battery
 +
| Empty battery, used in the battery low screen
 
|-
  
|-
 
| [[BatteryLow1]]
  
| [[BatteryLow1]]
 
| bat1
  
| bat1
−
| Red composed onto empty battery
 +
| Red composed onto empty battery, used in the battery low screen
 
|-
  
|-
 
| CFELoader
  
| CFELoader
Line 97: Line 104:
 
| [[Dali]]
  
| [[Dali]]
 
| dali
  
| dali
  +
|
 
|-
  
|-
 
| [[DeviceTree]]
  
| [[DeviceTree]]
 
| dtre
  
| dtre
  +
|
 
|-
  
|-
−
| Diags
 +
| [[Diags]]
 
| diag
  
| diag
  +
|
 
|-
  
|-
 
| EngineeringTrustCache
  
| EngineeringTrustCache
 
| dtrs
  
| dtrs
  +
|
 
|-
  
|-
 
| Environment Variables
  
| Environment Variables
 
| ienv
  
| ienv
  +
|
 
|-
  
|-
 
| FDR Trust Object for AP
  
| FDR Trust Object for AP
 
| fdrt
  
| fdrt
  +
|
 
|-
  
|-
 
| FDR Trust Object for SEP
  
| FDR Trust Object for SEP
 
| fdrs
  
| fdrs
  +
|
 
|-
  
|-
 
| [[GlyphCharging]]
  
| [[GlyphCharging]]
 
| glyC
  
| glyC
  +
| Used in the battery low screen
 
|-
  
|-
 
| [[GlyphPlugin]]
  
| [[GlyphPlugin]]
 
| glyP
  
| glyP
  +
| Used in the battery low screen
 
|-
  
|-
 
| GPU Firmware
  
| GPU Firmware
 
| gfxf
  
| gfxf
  +
|
 
|-
  
|-
 
| Homer
  
| Homer
 
| homr
  
| homr
  +
|
 
|-
  
|-
 
| Hypervisor
  
| Hypervisor
 
| hypr
  
| hypr
  +
|
 
|-
  
|-
 
| [[iBEC]]
  
| [[iBEC]]
 
| ibec
  
| ibec
  +
|
 
|-
  
|-
 
| [[iBoot (Bootloader)|iBoot]]
  
| [[iBoot (Bootloader)|iBoot]]
 
| ibot
  
| ibot
  +
|
 
|-
  
|-
 
| iBootTest
  
| iBootTest
 
| itst
  
| itst
  +
|
 
|-
  
|-
 
| [[iBSS]]
  
| [[iBSS]]
 
| ibss
  
| ibss
  +
|
 
|-
  
|-
 
| Input Device
  
| Input Device
 
| ipdf
  
| ipdf
  +
|
 
|-
  
|-
 
| iSpoof(?)
  
| iSpoof(?)
 
| ispf
  
| ispf
  +
|
 
|-
  
|-
 
| [[Kernelcache|KernelCache]]
  
| [[Kernelcache|KernelCache]]
 
| krnl
  
| krnl
  +
|
 
|-
  
|-
 
| LeapHaptics
  
| LeapHaptics
 
| lphp
  
| lphp
  +
|
 
|-
  
|-
 
| [[LLB]]
  
| [[LLB]]
 
| illb
  
| illb
  +
|
 
|-
  
|-
 
| LoadableTrustCache
  
| LoadableTrustCache
 
| ltrs
  
| ltrs
  +
|
 
|-
  
|-
 
| LowPowerWallet0
  
| LowPowerWallet0
 
| lpw0
  
| lpw0
  +
| Used in the battery low screen with power reserve enabled, allowing the iPhone to still use transit cards when the iPhone is off.
 
|-
  
|-
 
| LowPowerWallet1
  
| LowPowerWallet1
 
| lpw1
  
| lpw1
  +
| Used in the battery low screen with power reserve enabled, allowing the iPhone to still use transit cards when the iPhone is off.
 
|-
  
|-
 
| LowPowerWallet2
  
| LowPowerWallet2
 
| lpw2
  
| lpw2
  +
| Used in the battery low screen with power reserve enabled, allowing the iPhone to still use transit cards when the iPhone is off.
 
|-
  
|-
 
| Mac EFI
  
| Mac EFI
 
| mefi
  
| mefi
  +
| Used only on T2 Macs
 
|-
  
|-
 
| [[Maggie Firmware]]
  
| [[Maggie Firmware]]
 
| magg
  
| magg
  +
|
 
|-
  
|-
 
| Multitouch Firmware
  
| Multitouch Firmware
 
| mtfw
  
| mtfw
  +
|
 
|-
  
|-
 
| [[NeedService]]
  
| [[NeedService]]
 
| nsrv
  
| nsrv
  +
|
 
|-
  
|-
 
| OSRamdisk
  
| OSRamdisk
 
| osrd
  
| osrd
  +
|
 
|-
  
|-
 
| PEHammer
  
| PEHammer
Line 191: Line 228:
 
| PersonalizedDMG
  
| PersonalizedDMG
 
| pdmg
  
| pdmg
  +
|
 
|-
  
|-
 
| PERTOS
  
| PERTOS
Line 202: Line 240:
 
| PMP
  
| PMP
 
| pmpf
  
| pmpf
  +
|
 
|-
  
|-
 
| [[Restore Ramdisk|RestoreRamDisk]]
  
| [[Restore Ramdisk|RestoreRamDisk]]
 
| rdsk
  
| rdsk
  +
|
 
|-
  
|-
 
| RBM
  
| RBM
Line 212: Line 252:
 
| [[RecoveryMode]]
  
| [[RecoveryMode]]
 
| recm
  
| recm
  +
| Used when device is in [[Recovery Mode]]
 
|-
  
|-
 
| RestoreDeviceTree
  
| RestoreDeviceTree
 
| rdtr
  
| rdtr
  +
|
 
|-
  
|-
 
| RestoreKernelCache
  
| RestoreKernelCache
 
| rkrn
  
| rkrn
  +
|
 
|-
  
|-
 
| RestoreLogo
  
| RestoreLogo
 
| rlgo
  
| rlgo
  +
| Same as appleLogo
 
|-
  
|-
 
| RestoreOS
  
| RestoreOS
 
| rosi
  
| rosi
  +
|
 
|-
  
|-
 
| RestoreSEP
  
| RestoreSEP
Line 231: Line 276:
 
| RestoreTrustCache
  
| RestoreTrustCache
 
| rtsc
  
| rtsc
  +
|
 
|-
  
|-
 
| RTP
  
| RTP
 
| rtpf
  
| rtpf
  +
|
 
|-
  
|-
 
| SCE
  
| SCE
 
| scef
  
| scef
  +
|
 
|-
  
|-
 
| [[Secure Enclave Processor|SEP]]
  
| [[Secure Enclave Processor|SEP]]
 
| sepi
  
| sepi
  +
|
 
|-
  
|-
 
| SmartIOFirmware
  
| SmartIOFirmware
 
| siof
  
| siof
  +
|
 
|-
  
|-
 
| StaticTrustCache
  
| StaticTrustCache
 
| trst
  
| trst
  +
|
 
|-
  
|-
 
| System Locker
  
| System Locker
 
| lckr
  
| lckr
  +
|
 
|-
  
|-
 
| TSYS Tester
  
| TSYS Tester
 
| tsys
  
| tsys
  +
|
 
|-
  
|-
 
| WCHFirmwareUpdater
  
| WCHFirmwareUpdater
 
| wchf
  
| wchf
  +
|
 
|-
  
|-
 
| Wireless Charging
  
| Wireless Charging
 
| wchf
  
| wchf
  +
|
 
|-
  
|-
−
| Boot Chime
 +
| [[Chime|Boot Chime]]
 
| aubt
  
| aubt
  +
| Raw audio file
 
|-
  
|-
−
| Accessibility Chime
 +
| [[Chime|Accessibility Chime]]
 
| auac
  
| auac
  +
| Raw audio file
 
|-
  
|-
−
| Attach Chime
 +
| [[Chime|Attach Chime]]
 
| aupr
  
| aupr
  +
| Raw audio file
 
|-
  
|-
 
| Aux Kernel Cache
  
| Aux Kernel Cache
 
| auxk
  
| auxk
  +
|
 
|-
  
|-
 
| Base System Trust Cache
  
| Base System Trust Cache
 
| bstc
  
| bstc
  +
|
 
|-
  
|-
 
| x86 Base System Trust Cache
  
| x86 Base System Trust Cache
 
| xbtc
  
| xbtc
  +
|
 
|-
  
|-
 
| Base System Volume Root Hash
  
| Base System Volume Root Hash
 
| csys
  
| csys
  +
|
 
|-
  
|-
 
| System Volume Root Hash
  
| System Volume Root Hash
 
| isys
  
| isys
  +
|
 
|-
  
|-
 
| x86 System Volume Root hash
  
| x86 System Volume Root hash
 
| xsys
  
| xsys
  +
|
 
|-
  
|-
 
| System Volume Canonical Metadata
  
| System Volume Canonical Metadata
Line 296: Line 360:
 
| Unknowns
  
| Unknowns
 
| ibdt, ansf (ANS (Storage Controller) Firmware?), rans, ciof, dcpf, tmuf, rpmp, lpol, rtmu, rcio, rdcp, nsrv
  
| ibdt, ansf (ANS (Storage Controller) Firmware?), rans, ciof, dcpf, tmuf, rpmp, lpol, rtmu, rcio, rdcp, nsrv
  +
|
 
|-
  
|-
 
|}
  
|}

Latest revision as of 10:30, 21 July 2022

The TYPE tag is a 32-bit unsigned integer (uint32_t) that, when viewed in little-endian format, states the type of firmware image the IMG2/IMG3/IMG4/IM4P file is. This value is passed to load_selected_image and then image_load early in the SecureROM boot process, where a non-NULL pointer check is performed.

Types

IMG2

Name Type
AppleLogo logo
BatteryCharging batC
BatteryLow0 batl
BatteryLow1 batL
DeviceTree dtre
iBoot ibot
LLB llbz
NeedService nsrv
RecoveryMode recm

IMG3+

Name Type Notes
Any 0x00 Represents any image type
ACIBT acib ACI Bluetooth
ACIWIFI aciw ACI WiFi
Alamo almo
ANE Firmware anef
AOP aopf
AppleLogo logo Used during boot
Audio Codec Firmware acfw
AVE Firmware avef
BatteryCharging0 chg0 Charging indicator (bright), used in the battery low screen
BatteryCharging1 chg1 Charging Indicator (dim), used in the battery low screen
BatteryFull batF Only used in China to indicate battery status while device is off.
BatteryLow0 bat0 Empty battery, used in the battery low screen
BatteryLow1 bat1 Red composed onto empty battery, used in the battery low screen
CFELoader cfel Silicon Validation [1] CFE loader
Dali dali
DeviceTree dtre
Diags diag
EngineeringTrustCache dtrs
Environment Variables ienv
FDR Trust Object for AP fdrt
FDR Trust Object for SEP fdrs
GlyphCharging glyC Used in the battery low screen
GlyphPlugin glyP Used in the battery low screen
GPU Firmware gfxf
Homer homr
Hypervisor hypr
iBEC ibec
iBoot ibot
iBootTest itst
iBSS ibss
Input Device ipdf
iSpoof(?) ispf
KernelCache krnl
LeapHaptics lphp
LLB illb
LoadableTrustCache ltrs
LowPowerWallet0 lpw0 Used in the battery low screen with power reserve enabled, allowing the iPhone to still use transit cards when the iPhone is off.
LowPowerWallet1 lpw1 Used in the battery low screen with power reserve enabled, allowing the iPhone to still use transit cards when the iPhone is off.
LowPowerWallet2 lpw2 Used in the battery low screen with power reserve enabled, allowing the iPhone to still use transit cards when the iPhone is off.
Mac EFI mefi Used only on T2 Macs
Maggie Firmware magg
Multitouch Firmware mtfw
NeedService nsrv
OSRamdisk osrd
PEHammer hmmr PE Hammer test
PersonalizedDMG pdmg
PERTOS pert PE RTOS environment
PHLEET phlt Silicon Validation PHLEET test
PMP pmpf
RestoreRamDisk rdsk
RBM rbmt Silicon Validation RBM test
RecoveryMode recm Used when device is in Recovery Mode
RestoreDeviceTree rdtr
RestoreKernelCache rkrn
RestoreLogo rlgo Same as appleLogo
RestoreOS rosi
RestoreSEP rsep rsep is also present in sepboot
RestoreTrustCache rtsc
RTP rtpf
SCE scef
SEP sepi
SmartIOFirmware siof
StaticTrustCache trst
System Locker lckr
TSYS Tester tsys
WCHFirmwareUpdater wchf
Wireless Charging wchf
Boot Chime aubt Raw audio file
Accessibility Chime auac Raw audio file
Attach Chime aupr Raw audio file
Aux Kernel Cache auxk
Base System Trust Cache bstc
x86 Base System Trust Cache xbtc
Base System Volume Root Hash csys
System Volume Root Hash isys
x86 System Volume Root hash xsys
System Volume Canonical Metadata msys Compressed gzip file
x86 System Volume Canonical Metadata xsys Compressed gzip file
Unknowns ibdt, ansf (ANS (Storage Controller) Firmware?), rans, ciof, dcpf, tmuf, rpmp, lpol, rtmu, rcio, rdcp, nsrv

References

  1. ^ Job listing on LinkedIn
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