Talk:Baryon

Manuals

• https://www.sendspace.com/filegroup/l%2Fg5mQJapWFij2H9ON2v3g
• https://www.sendspace.com/file/vssra7 (Page 17)
• https://www.sendspace.com/file/2euka5 (Page 49)

Attack Manuals

• https://www.sendspace.com/file/7gue6e (Pages 100, 104, 105)
• https://github.com/janvdherrewegen/bootl-attacks

Table

Production Start Date (<=)	PS2 Mechacon	PSP Syscon	PS3 Syscon	PSVita Syscon	PS4 Syscon	Used IC/CPU Core
08/2004 First	-	BARxx	-	-	-	NEC D790019 / D780032AY (78K0/78003xA, 64 pin)
07/2005 Legolas1/Legolas2	-	B30x	-	-	-	NEC D79F0036 / D78F0531 (78K0/KE2, 64 pin)
07/2007 Frodo	-	B40x	-	-	-	NEC D79F???? / D78F0544 (78K0/KF2, 84 pin)
07/2008 Samwise	-	3Axx	-	-	-	NEC D79F???? / D78F0534 (78K0/KE2, 64 pin)
03/2009 Samwise VA2	-	3Bxx	-	-	-	NEC D79F???? / D78F0534 (78K0/KE2, 64 pin)
05/2009 Strider	-	40xx	-	-	-	NEC D79F???? / D78F0544 (78K0/KF2, 84 pin)

Notes

• Codename BAR/B30/3A/3B is associated with 64 pin COTS BGA
• Likewise, B40/40 is associated with 84 pin Custom BGA

Bootrom List of Commands

External (0x8522-0x854B):
00 0x80F3 Reset
20 0x93FF Chip Erase
22 0x942F Block Erase
13 0x9379 Verify
32 0x9609 Block Blank Check
40 0x969F Programming
90 0x9994 Oscillating Frequency Set
9E 0x99ED ??
C0 0x9B08 Silicon Signature
C5 0x9B71 Version Get
70 0x9A5B Status
B0 0x9A79 Checksum
A0 0x9C04 Security Set
A4 0x9B97 EA Read (Reads Only first 0x400 bytes)

Internal (0x9FC9 - 0x9FE6):
17 0x8218 EEPROMWrite
0F 0x84B3 ??
0E 0x84A8 CheckFLMD
0A 0x8475 FlashSetInfo
09 0x8399 FlashGetInfo
08 0x835D FlashBlockBlankCheck
06 0x8321 FlashBlockVerify
04 0x8252 FlashWordWrite
03 0x81DD FlashBlockErase
00 0x81BD FlashEnv

Disasm of EA Read

Disassembling switch table from 0x0A1F: case 0xA4 at 0x1B97
Disassembling Function 0x1B97
 > 0x1B97 - [0x713AC5]   - set1 0xFFC5.3
<  0x1B9A - [0x9A930F]   - call !0x0F93 (prepare_byte_STATUS_BUSY_for_response_packet_02)
   0x1B9D - [0x1611FD]   - movw HL, #0xFD11
   0x1BA0 - [0xAE00]     - mov A, [HL+0x00]
   0x1BA2 - [0x4D00]     - cmp A, #0x00
v  0x1BA4 - [0xBD06]     - bnz $0x1BAC
   0x1BA6 - [0xAE01]     - mov A, [HL+0x01]
   0x1BA8 - [0x4D00]     - cmp A, #0x00
v  0x1BAA - [0xAD08]     - bz $0x1BB4
<> 0x1BAC - [0x9AA70F]   - call !0x0FA7 (prepare_byte_STATUS_PARAM_ERROR_for_response_packet_02)
<  0x1BAF - [0x9A260F]   - call !0x0F26 (receive_packet_01_70_and_send_response_packets_02_and_03)
v  0x1BB2 - [0xFA4C]     - br $0x1C00
<> 0x1BB4 - [0x9A6D0F]   - call !0x0F6D (check_status_success_for_response_packet_02)
<  0x1BB7 - [0x9A260F]   - call !0x0F26 (receive_packet_01_70_and_send_response_packets_02_and_03)
   0x1BBA - [0x710BC7]   - clr1 0xFFC7.0
<  0x1BBD - [0x9AF706]   - call !0x06F7 (set_FFCA_to_01)
   0x1BC0 - [0x112000]   - mov 0xFE20, #0x00		; <= Starting at address 0x000000
   0x1BC3 - [0x112100]   - mov 0xFE21, #0x00
   0x1BC6 - [0x112200]   - mov 0xFE22, #0x00
<  0x1BC9 - [0x9A6906]   - call !0x0669 (small_delay)
<  0x1BCC - [0x9AFE05]   - call !0x05FE (set_secure_flash_operation_read_with_delay_variable)
   0x1BCF - [0xA304]     - mov B, #0x04			; <= Looping for 4 times 256 bytes
 > 0x1BD1 - [0xA240]     - mov C, #0x40			; <= Looping for 64 times 4 bytes
   0x1BD3 - [0x1410FD]   - movw DE, #0xFD10
<> 0x1BD6 - [0x9A2712]   - call !0x1227 (read32_secure_flash_to_DE) ; <= Reading 4 bytes
<  0x1BD9 - [0x9AB811]   - call !0x11B8 (increase_address_range)
^  0x1BDC - [0x8AF8]     - dbnz C, $0x1BD6		; <= End of loop on C
   0x1BDE - [0x63]       - mov A, B
   0x1BDF - [0x4D01]     - cmp A, #0x01
v  0x1BE1 - [0xAD0C]     - bz $0x1BEF
   0x1BE3 - [0xB3]       - push BC
   0x1BE4 - [0x1410FD]   - movw DE, #0xFD10
   0x1BE7 - [0xA200]     - mov C, #0x00			; <= Packet data size (0x00 means 256 bytes)
<  0x1BE9 - [0x9AA40E]   - call !0x0EA4 (send_response_packet_02_and_17) ; <= Sending back packet of 256 bytes data
   0x1BEC - [0xB2]       - pop BC
^  0x1BED - [0x8BE2]     - dbnz B, $0x1BD1		; <= End of loop on B
 > 0x1BEF - [0xA200]     - mov C, #0x00
   0x1BF1 - [0x1410FD]   - movw DE, #0xFD10
<  0x1BF4 - [0x9AAD0E]   - call !0x0EAD (send_response_packet_02_and_03)
   0x1BF7 - [0x711BC5]   - clr1 0xFFC5.1
<  0x1BFA - [0x9AF305]   - call !0x05F3 (set_secure_flash_operation_read_with_delay_3)
<  0x1BFD - [0x9A1907]   - call !0x0719 (set_FFCA_to_00)
 > 0x1C00 - [0x713BC5]   - clr1 0xFFC5.3
   0x1C03 - [0xAF]       - ret