Difference between revisions of "Talk:Communication Processor"

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=== VITA CP Documents ===
 +
CPU: http://static6.arrow.com/aropdfconversion/efe99265d2b83da3bfce2e77e1aae1fafb760fae/s19686ej4v0ds00_s_ds_e.pdf <br>
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eMMC: https://datasheet.iiic.cc/datasheets-0/samsung/KLM2G1DEHE-B101.pdf <br>
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CPU (extra): https://www.rockbox.org/wiki/EmmaMobile1

Revision as of 11:11, 24 June 2020

Problem

Using this file: [[1]] (v1.0.4c2_TMU510_u.bin) -> Source

IV: 737973317347595DFB853B7B4A28105D
Hash: 46EE8C013CB4F1821E184FB74A56FCC7

update.bin = v1.0.4c2_TMU510_u.bin - first 32 bytes (IV + Hash)

Type This
openssl enc -aes-256-cbc -d -K E8ED2B817207B70C5DF9090507AF2A8982967620D692B92A59231638402DF13F -iv 737973317347595DFB853B7B4A28105D -in update.bin -out update.tar.gz

Output:

2282524:error:06065064:digital envelope routines:EVP_DecryptFinal_ex:bad decrypt:evp_enc.c:539:

This is a syscon firmware update, not a CP update.

CP updates are usually called reftool_cp_xxx.bin (replace xxx by version) you can find these in official sdks. Syscon firmware updates use other keys and another algorithm.

-Mathieulh


Thanks,

Type This
openssl enc -aes-256-cbc -d -K E8ED2B817207B70C5DF9090507AF2A8982967620D692B92A59231638402DF13F -iv FB306DA62E530EB13FB9D0EF8615060A -in reftool_cp_133.bin -out reftool_cp_133.tar.gz

works. (I should learn reading ;))


Extra Information

I would like to add that it's much easier to interact with the System Controller from the Communication Processor shell considering that Syscon on Reference tool does not require any authentication or encryption of the packets sent to it and you do get real time replies, Syscon on those units also allow many more commands than on consumer systems (even after using AUTH1/AUTH2), this can be rather useful should you want syscon to jump to your code (Syscon is powered by an ARM7TDMI (ARMv4) CPU) by performing a packet overflow.

  • Because Syscon's firmware is fully overwritten on a DECR-1000, it is trivial to downgrade its firmware if you are connected to the CP's Shell. (There is actually a script on the CP rom that does just this, all you have to do is to comment the version check) (patched update_syscon.pl: [[2]])
Package:
DECR-1000-linux-2.4.tar.gz
hhl-target-anacron-2.3-mvl3.0.0.2.src.rpm
hhl-target-bash-2.05a-mvl3.0.0.1.src.rpm
hhl-target-binutils-2.12.1-mvl3.0.0.14.3.src.rpm
hhl-target-dhcpcd-1.3.22pl2-devtool.1.src.rpm
hhl-target-diff-2.7-mvl3.0.0.3.src.rpm
hhl-target-e2fsprogs-1.22-mvl3.0.0.2.src.rpm
hhl-target-fileutils-4.1-mvl3.0.0.2.src.rpm
hhl-target-findutils-4.1.7-mvl3.0.0.2.src.rpm
hhl-target-gawk-3.1.0-mvl3.0.0.2.src.rpm
hhl-target-gcc-3.2.1-mvl3.0.0.5.20.src.rpm
hhl-target-glib-1.2.10-mvl3.0.0.7.src.rpm
hhl-target-glibc-2.2.5-mvl3.0.0.15.14.src.rpm
hhl-target-grep-2.4.2-mvl3.0.0.1.src.rpm
hhl-target-gzip-1.2.4-mvl3.0.0.2.src.rpm
hhl-target-hardhatutils-1.14-mvl3.0.0.10.src.rpm
hhl-target-hostname-2.09-mvl3.0.0.1.src.rpm
hhl-target-ifupdown-0.6.4-mvl3.0.0.2.src.rpm
hhl-target-iptables-1.2.2-mvl3.0.0.1.src.rpm
hhl-target-iputils-20020124-mvl3.0.0.1.1.src.rpm
hhl-target-less-358-mvl3.0.0.1.src.rpm
hhl-target-logrotate-3.5.7-mvl3.0.0.1.src.rpm
hhl-target-memstat-0.2-mvl3.0.0.2.src.rpm
hhl-target-minicom-1.83.0-mvl3.0.0.1.src.rpm
hhl-target-modutils-2.4.16-mvl3.0.0.4.src.rpm
hhl-target-nano-1.0.3-mvl3.0.0.1.src.rpm
hhl-target-net-tools-1.60-mvl3.0.0.2.src.rpm
hhl-target-netbase-4.06-mvl3.0.0.1.src.rpm
hhl-target-pam-0.72-mvl3.0.0.4.src.rpm
hhl-target-perl-5.6.1-mvl3.0.0.5.src.rpm
hhl-target-procps-2.0.7-mvl3.0.0.3.src.rpm
hhl-target-psmisc-20.1-mvl3.0.0.2.src.rpm
hhl-target-rsync-2.3.2-mvl3.0.0.4.src.rpm
hhl-target-sed-3.02-mvl3.0.0.2.src.rpm
hhl-target-shellutils-2.0.11-mvl3.0.0.3.src.rpm
hhl-target-sysklogd-1.3.31-mvl3.0.0.3.src.rpm
hhl-target-sysutils-1.3.8.1-mvl3.0.0.3.src.rpm
hhl-target-sysvinit-2.78-mvl3.0.0.11.src.rpm
hhl-target-tar-1.13.19-mvl3.0.0.3.src.rpm
hhl-target-textutils-2.0-mvl3.0.0.2.src.rpm
hhl-target-util-linux-2.11h-mvl3.0.0.4.src.rpm
hhl-target-which-2.12-mvl3.0.0.2.src.rpm
hhl-target-xfsprogs-2.2.2-mvl3.0.0.1.src.rpm
mips_fp_le-lrzsz-0.12.20-devtool.1.src.rpm


The Communication Processor can also talk to the southbridge.

CP Revisions

/*
TCP-510  Rev. 1:  0x10
TCP-510  Rev. 2:  0x11

TCP-520  Rev. 1:  0x20
TCP-520  Rev. 2:  0x21
TCP-520  Rev. 3:  0x22
*/
static int get_cp_revision(void)
{
	unsigned int rev = (unsigned int)(*((volatile unsigned long long *) 0xFF1FE000) >> 32);
	return (((rev >> 2) & 0x3f) | ((rev >> 4) & 0x40));
}

PS2/PSP/PS3/VITA/PS4 CP

PS2
DTL-T10000(H) / DTL-T15000 "MPU-401"
x86 PCI SBC (PCI-586VE-S / PCI-815VE)

PSP
DTP-T1000 "MPU-220"
Sony CXD9823 (Toshiba TX4937)

PS3
DECR-1000 "MPU-230"
Sony CXD9802 (Toshiba TX4937)

PSVITA
PDEL-1000 "?"
Renesas µPD77630A (EMMA Mobile1-S)

PS4
DUH-D7000 "?"
Marvell 88R6B2D-AD (Armada SP?)

VITA CP Documents

CPU: http://static6.arrow.com/aropdfconversion/efe99265d2b83da3bfce2e77e1aae1fafb760fae/s19686ej4v0ds00_s_ds_e.pdf
eMMC: https://datasheet.iiic.cc/datasheets-0/samsung/KLM2G1DEHE-B101.pdf
CPU (extra): https://www.rockbox.org/wiki/EmmaMobile1