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-.. SPDX-License-Identifier: CC-BY-SA-4.0
-
-.. Copyright (C) 1988, 2002 On-Line Applications Research Corporation (OAR)
-
-Epiphany Specific Information
-*****************************
-
-This chapter discusses the`Epiphany Architecture
-http://adapteva.com/docs/epiphany_sdk_ref.pdf dependencies in this port of
-RTEMS. Epiphany is a chip that can come with 16 and 64 cores, each of which can
-run RTEMS separately or they can work together to run a SMP RTEMS application.
-
-**Architecture Documents**
-
-For information on the Epiphany architecture refer to the *Epiphany
-Architecture Reference* http://adapteva.com/docs/epiphany_arch_ref.pdf.
-
-Calling Conventions
-===================
-
-Please refer to the *Epiphany SDK*
-http://adapteva.com/docs/epiphany_sdk_ref.pdf Appendix A: Application Binary
-Interface
-
-Floating Point Unit
--------------------
-
-A floating point unit is currently not supported.
-
-Memory Model
-============
-
-A flat 32-bit memory model is supported, no caches. Each core has its own 32
-KiB strictly ordered local memory along with an access to a shared 32 MiB
-external DRAM.
-
-Interrupt Processing
-====================
-
-Every Epiphany core has 10 exception types:
-
-- Reset
-
-- Software Exception
-
-- Data Page Fault
-
-- Timer 0
-
-- Timer 1
-
-- Message Interrupt
-
-- DMA0 Interrupt
-
-- DMA1 Interrupt
-
-- WANT Interrupt
-
-- User Interrupt
-
-Interrupt Levels
-----------------
-
-There are only two levels: interrupts enabled and interrupts disabled.
-
-Interrupt Stack
----------------
-
-The Epiphany RTEMS port uses a dedicated software interrupt stack.  The stack
-for interrupts is allocated during interrupt driver initialization.  When an
-interrupt is entered, the _ISR_Handler routine is responsible for switching
-from the interrupted task stack to RTEMS software interrupt stack.
-
-Default Fatal Error Processing
-==============================
-
-The default fatal error handler for this architecture performs the following
-actions:
-
-- disables operating system supported interrupts (IRQ),
-
-- places the error code in ``r0``, and
-
-- executes an infinite loop to simulate a halt processor instruction.
-
-Symmetric Multiprocessing
-=========================
-
-SMP is not supported.