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-@c
-@c  COPYRIGHT (c) 1988-2002.
-@c  On-Line Applications Research Corporation (OAR).
-@c  All rights reserved.
-
-@ifinfo
-@end ifinfo
-@chapter V850 Specific Information
-
-This chapter discusses the
-@uref{http://en.wikipedia.org/wiki/V850,V850 architecture}
-dependencies in this port of RTEMS.  The V850 was originally manufactured
-by NEC but is now part of the Renesas Electronics product line.
-
-@subheading Architecture Documents
-
-For information on the V850 architecture refer to the
-@uref{http://am.renesas.com/products/mpumcu/v850/index.jsp,Renesas v850 product page}.
-
-@section CPU Model Dependent Features
-
-This section presents the set of features which vary across V850 implementations and are of importance to RTEMS.  The set of CPU model feature macros are defined in the file @file{cpukit/score/cpu/v850/rtems/score/v850.h} based upon the particular CPU
-model flags specified on the compilation command line.
-
-@subsection CPU Model Name
-
-The macro @code{CPU_MODEL_NAME} is a string which designates
-the architectural level of this CPU model.  See in
-@file{cpukit/score/cpu/v850/rtems/score/v850.h} for the values.
-
-@subsection Count Leading Zeroes Instruction
-
-The V850v5 and later has the count leading zeroes @code{clz} instruction which
-could be used to speed up the find first bit operation.  The use of this
-instruction should significantly speed up the scheduling associated with a
-thread blocking.  This is currently not used.
-
-@subsection Floating Point Unit
-
-A floating point unit is currently not supported.
-
-@section Calling Conventions
-
-Please refer to the
-@uref{http://www.filibeto.org/unix/tru64/lib/ossc/doc/cygnus_doc-99r1/html/6_embed/embV850.html,
-Procedure Call Standard for the V850 Architecture} or the GCC source
-code for detailed information on the calling conventions.
-
-@subsection Register Usage
-
-Fixed registers are never available for register allocation in the
-compiler. By default the following registers are fixed in GCC:
-
-@itemize @bullet
-@item r0 (zero)
-@item r3 (sp)
-@item r4 (gp)
-@item r30 (ep)
-@end itemize
-
-@c r1 is mentioned as special purpose but I do not see a purpose
-
-Caller saved registers can be used by the compiler to hold values that
-do not live across function calls. The caller saved registers are r2,
-r5 through r19, and r31.
-
-Callee saved registers retain their value across function calls. The
-callee saved registers are r20 through r29.
-
-r6 through r9 are parameter registers while r10 and r11 are function return registers. r31 is the return pointer.
-
-r29 is used as the frame pointer in some functions.
-
-@section Memory Model
-
-A flat 32-bit memory model is supported.  
-
-@section Interrupt Processing
-
-The V850 architecture has ...
-
-@subsection Interrupt Levels
-
-The RTEMS interrupt level mapping scheme for the V850 is very simple. If
-the requested interrupt level is 1, then interrupts are disabled in the
-PSW register using the @code{di} instruction. If the requested interrupt
-level is 0, then interrupts are enabled in the PSW register using the
-@code{ei} instruction or restoring the previous value of the PSW register.
- 
-@subsection Interrupt Stack
-
-The board support package must initialize the interrupt stack. The memory for
-the stacks is usually reserved in the linker script. 
-
-@section Default Fatal Error Processing
-
-The default fatal error handler for this architecture performs the
-following actions:
-
-@itemize @bullet
-@item disables operating system supported interrupts (IRQ),
-@item places the error code in @code{r10}, and
-@item executes a halt processor instruction.
-@end itemize
-
-@section Symmetric Multiprocessing
-
-SMP is not supported.
-
-@section Thread-Local Storage
-
-Thread-local storage is not implemented.