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{| class="wikitable"
{| class="wikitable"
|-
|-
! Loader !! Location !! Type !! Zlib support !! Fself support !! Remarks
! Loader !! Location !! Type !! Remarks
|-
|-
| bootldr || [[Flash]] || Boot Loader || NO || NO || primary loader from chain of trust, loads lv0
| bootldr || [[Flash]] || Boot Loader || primary loader from chain of trust
|-
|-
| metldr || [[Flash]] || Meta Loader || NO || NO || aka asecure_loader. Loads other loaders
| metldr || [[Flash]] || Meta Loader || aka asecure_loader. Loads other loaders
|-
|-
| appldr || [[Boot_Order#CoreOS_PKG_Filelisting|CoreOS]] || Application Loader || YES || YES || loads userspace [f]selfs e.g. [[VSH|vsh.self]], videoplayer_plugin.sprx, disc/NPDRM EBOOT.BINs and [[EDAT_files|EDAT files]]
| appldr || [[Boot_Order#CoreOS_PKG_Filelisting|CoreOS]] || Application Loader || loads userspace [f]selfs e.g. [[VSH|vsh.self]], videoplayer_plugin.sprx, disc EBOOT.BINs, NPDRM EBOOT.BINs
|-
|-
| isoldr || [[Boot_Order#CoreOS_PKG_Filelisting|CoreOS]] || Isolation Loader || NO ||  NO || loading [[Iso module|isolated SPU modules]]
| isoldr || [[Boot_Order#CoreOS_PKG_Filelisting|CoreOS]] || Isolation Loader || loading [[Iso module|isolated SPU modules]]
|-
|-
| lv1ldr || [[Boot_Order#CoreOS_PKG_Filelisting|CoreOS]] || Hypervisor Loader || YES ||  NO || loads [[lv1.self]] ([[Hypervisor_Reverse_Engineering|Hypervisor]])
| lv1ldr || [[Boot_Order#CoreOS_PKG_Filelisting|CoreOS]] || Hypervisor Loader || loads [[lv1.self]] ([[Hypervisor_Reverse_Engineering|Hypervisor]])
|-  
|-  
| lv2ldr || [[Boot_Order#CoreOS_PKG_Filelisting|CoreOS]] || Supervisor Loader || YES ||  NO || loads lv2_kernel.self (Supervisor kernel)
| lv2ldr || [[Boot_Order#CoreOS_PKG_Filelisting|CoreOS]] || Supervisor Loader || loads lv2_kernel.self (Supervisor kernel)
|-
|-
|}
|}
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=== lv2ldr ===
=== lv2ldr ===
Used to verify and decrypt lv2 selfs (lv2_kernel.self, ps2_emu.self, ps2_gxemu.self, ps2_softemu.self, ps2_netemu.self)
Used to verify and decrypt lv2 selfs (lv2_kernel.self, ps2_emu.self, ps2_gxemu.self, ps2_softemu.self, ps2_netemu.self)
And to install RVK-list.


==== LS Parameters layout ====
==== LS Parameters layout ====
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|-
|-
|u8[16] || res2 || Unknown / Not used
|u8[16] || res2 || Unknown / Not used
|}
=== appldr ===
Used to verify and decrypt usermode program/data segments (system libraries, vsh and its modules, games, edat and sdat files)<BR>
Allows to authenticate fselfs by following Target_ids from EID0: 0x81, 0x82, 0xA0.
==== LS Parameters layout ====
{| class="wikitable"
|-
! Address !! Usage !! Comments
|-
| 0x3E000 || Wait flag || If (flag==0){wait;} // use 0xFF00000000ULL
|-
| 0x3E400 || EID0 || first 0x400 bytes of EID0
|-
| 0x3E800 || Arguments || u64 buffer_args_effective_addr
|-
| 0x3EC00 || QA-Flag Info|| u64 qaflag_exist_flag //If existed, set to 0, otherwise -1<BR>u64 unk0 //always 0<BR>u8[0x50] qa_token<BR>u8[0x2A] qa_token_signature<BR>u8[0x6] padding
|-
| 0x3EE00 || LV2 Protection Info || u64 hashed memory effective addr<BR>u64 hashed memory size<BR>u8[0x14] expected_hmac_hash<BR>u8[0xC] padding
|-
| 0x3F000 || Program revoke list ||
|}
==== Arguments ====
For authenticate_program_segment, firmware 0.8x
{| class="wikitable"
|-
! Size !! Name !! Value
|-
|u64 || program_auth_id || subject program authority id
|-
|u64 || lpar_auth_id || subject logical partition authority id
|-
|u64 || self_header_addr ||
|-
|u64 || program_segment_addr ||
|-
|u64 || program_segment_index ||
|-
|u64 || destination_addr || where to decrypt
|-
|u64 || capability_addr || capability flags will be placed to this addr
|-
|u64 || flag ||
|-
|u64 || field40 || unknown/pad
|-
|u64 || field48 || 2 (on modern fws it could be 2 or 3 or 5)
|}
For authenticate_program_segment, firmware 4.7x
{| class="wikitable"
|-
! Size !! Name !! Value
|-
|u64 || subarguments_addr || subarguments effective address
|-
|u64 || lpar_auth_id || subject logical partition authority id
|-
| || ||
|-
|u64 || field48 || 5 (checked by appldr, if doesnot match -> appldr will be stoped with err code 0x27)
|-
| || ||
|}
subarguments
{| class="wikitable"
|-
! Size !! Name !! Value
|-
| u64 || program_auth_id ||
|-
| u64 || self_header_addr ||
|-
| u64 || program_segment_addr? ||
|-
| u32 || segment_type || 0 for phdrs, 1 for shdrs
|-
| u32 || program_segment_index || segment number
|-
| u64 || destination_addr ||
|-
| u64 || capability_addr || capability flags (0x20 bytes) will be copyed at this effective addr
|-
| u64 || flag || some flags // flag & 0xFFFF must be <=2 for APP, 3 for UNK7/seven, 4 for NPDRM_APP, 5 for EDAT
|-
| u64 || ||
|-
| u64 || ||
|-
| u64 || ||
|-
| u64 || ||
|-
| u64 || ||
|-
| u8[0x10] || sceNpDrmKey ||
|-
| u64 || header_key_check_result_addr || ppu addr to send the result.
|-
| u64 || ||
|}
|}


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|u8 res2[16] || Unknown
|u8 res2[16] || Unknown
|}
|}
=== appldr ===
Used to verify and decrypt userland program/data segments (system libraries, vsh and its modules, games, edat and sdat files)
==== Arguments ====
For authenticate_program_segment, firmware 0.8x
{| class="wikitable"
|-
! Size !! Name !! Value
|-
|u64 || program_auth_id || subject program authority id
|-
|u64 || lpar_auth_id || subject logical partition authority id
|-
|u64 || self_header_addr ||
|-
|u64 || program_segment_addr ||
|-
|u64 || program_segment_index ||
|-
|u64 || destination_addr || where to decrypt
|-
|u64 || capability_addr || capability flags will be placed to this addr
|-
|u64 || flag ||
|-
|u64 || field40 || unknown/pad
|-
|u64 || field48 || 2
|}


{| class="wikitable"
{| class="wikitable"
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