The encrypted EAP Kernel is stored at virtual address 0xC1000000 and the decrypted and uncompressed EAP Kernel is located at virtual address 0xC3000000.ĮAP Kernel is located at virtual address 0xC3000000. The role of EAP Kernel Boot Loader is to decrypt then uncompress the EAP Kernel. See eapdev by Bigboss (psxdev).ĮAP Kernel Boot Loader is stored encrypted in a SLB2 container in PS4 Serial Flash. DDR clock: 800MHz.Īs EAP Core software is unsigned, unencrypted and easily replaceable on PS4 HDD with a PS4 kernel exploit, it is possible to run homebrew code on EAP processor. File handling ( Bluray Drive, Harddrive and USB 3.0), including background cachingĮAP consists of Marvell PJ4C B0 rev 1 cores, ARMv7 CORTEX-A8 running FreeBSD 9 kernel.Network connections: Wireless and GbLAN, including background downloading and PlayGo.It handles several tasks to offload the APU:

EAP runs its own FreeBSD kernel in standby mode, activated to handle tasks such as downloading games updates while the PS4 is in standby. The role of EAP is to handle media (online Wireless/ GbLAN, Bluray Drive and HDD/SSD) even when the PS4 is in standby mode. Its role is to launch both EAP Kernel Boot Loader and AMD bootROM.ĮAP could stand for External Application Processor. CPU clock: maybe about 100MHz.ĮMC Initial Program Loader is stored encrypted in a SLB2 container in PS4 Serial Flash. HPET, ACPI stuff).ĮMC cpuid = 412FC231 (ARM Cortex-M3 r2p1). It exposes ARM peripherals to the x86 side. It is a Marvell Armada, an ARM-based SoC. The role of EMC is to load EMC Initial Program Loader, to be an interface for icc for the main APU kernel and Syscon and to offer a debug interface via UART that does not rely on Syscon or main APU. EMC was named MediaCon by some people when its name was still unknown. It is a SoC (System on Chip).ĮMC could stand for External Micro Controller.

2.2 Motherboards per southbridge revisionsĬomponents Southbridge processors.

1.1.2.5 EAP Filesystem from EAP Kernel binary.

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