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#ifndef CYGONCE_HAL_PLATFORM_INC

#define CYGONCE_HAL_PLATFORM_INC

##=============================================================================

##

##      platform.inc

##

##      REFIDT334 board assembler header file

##

##=============================================================================

#####ECOSGPLCOPYRIGHTBEGIN####

## -------------------------------------------

## This file is part of eCos, the Embedded Configurable Operating System.

## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

##

## eCos is free software; you can redistribute it and/or modify it under

## the terms of the GNU General Public License as published by the Free

## Software Foundation; either version 2 or (at your option) any later version.

##

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## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

## for more details.

##

## You should have received a copy of the GNU General Public License along

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## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

##

## As a special exception, if other files instantiate templates or use macros

## or inline functions from this file, or you compile this file and link it

## with other works to produce a work based on this file, this file does not

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## License. However the source code for this file must still be made available

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##

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## this file might be covered by the GNU General Public License.

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## -------------------------------------------

#####ECOSGPLCOPYRIGHTEND####

##=============================================================================

#######DESCRIPTIONBEGIN####

##

## Author(s):    tmichals

## Contributors: nickg

## Date:         2003-02-13

## Purpose:      CT1608-IDT32334 board definitions.

## Description:  This file contains various definitions and macros that are

##               useful for writing assembly code for the IDT32334 reference

##               board.

## Usage:

##               #include 

##               ...

##

##

######DESCRIPTIONEND####

##

##=============================================================================

#include 

#------------------------------------------------------------------------------

# Monitor initialization.

#ifndef CYGPKG_HAL_MIPS_MON_DEFINED

#if     defined(CYG_HAL_STARTUP_ROM) ||                 \

        (       defined(CYG_HAL_STARTUP_RAM) &&         \

                !defined(CYGSEM_HAL_USE_ROM_MONITOR))

        # If we are starting up from ROM, or we are starting in

        # RAM and NOT using a ROM monitor, initialize the VSR table.

        .macro  hal_mon_init

        la      a0,__default_interrupt_vsr

        la      a1,__default_exception_vsr

        la      a3,hal_vsr_table

        sw      a0,0(a3)

        sw      a1,1*4(a3)

        sw      a1,2*4(a3)

        sw      a1,3*4(a3)

        sw      a1,4*4(a3)

        sw      a1,5*4(a3)

        sw      a1,6*4(a3)

        sw      a1,7*4(a3)

        sw      a1,8*4(a3)

        sw      a1,9*4(a3)

        sw      a1,10*4(a3)

        sw      a1,11*4(a3)

        sw      a1,12*4(a3)

        sw      a1,13*4(a3)

        sw      a1,14*4(a3)

        sw      a1,15*4(a3)

        sw      a1,32*4(a3)

        sw      a1,33*4(a3)

        .endm

#elif defined(CYG_HAL_STARTUP_RAM) && defined(CYGSEM_HAL_USE_ROM_MONITOR)

        # Initialize the VSR table entries

        # We only take control of the interrupt vector,

        # the rest are left to the ROM for now...

        .macro  hal_mon_init

        la      a0,__default_interrupt_vsr

        la      a3,hal_vsr_table

        sw      a0,0(a3)

        .endm

#else

        .macro  hal_mon_init

        .endm

#endif

#define CYGPKG_HAL_MIPS_MON_DEFINED

#endif

#------------------------------------------------------------------------------

# Decide whether the VSR table is defined externally, or is to be defined

# here.

#if defined(CYGPKG_HAL_MIPS_SIM) ||        \

    ( defined(CYGPKG_HAL_MIPS_TX3904) &&   \

      defined(CYG_HAL_STARTUP_RAM) &&      \

      !defined(CYGSEM_HAL_USE_ROM_MONITOR) \

    )

## VSR table defined in linker script

#else

#define CYG_HAL_MIPS_VSR_TABLE_DEFINED

#endif

#if defined(CYG_HAL_STARTUP_ROMRAM) || defined(CYG_HAL_STARTUP_ROM)

#ifndef CYGPKG_HAL_MIPS_MEMC_DEFINED

.macro  hal_memc_init

        .extern hal_memc_setup

        lar     t0,hal_memc_setup

        jalr    t0

        nop

#if defined(CYG_HAL_STARTUP_ROMRAM)

        # Having got the RAM working, we must now relocate the Entire

        # ROM into it and then continue execution from RAM.

        la      t0,0x80000000           # dest addr

        la      t1,0xbfc00000           # source addr

        la      t3,__ram_data_end       # end dest addr

1:

        lw      v0,0(t1)                # get word

        addi    t1,t1,4

        sw      v0,0(t0)                # write word

        addi    t0,t0,4

        bne     t0,t3,1b

        nop

        la      v0,2f                   # RAM address to go to

        jr      v0

        nop

2:

        # We are now executing out of RAM!

#endif

.endm

#define CYGPKG_HAL_MIPS_MEMC_DEFINED

#endif

#endif

#------------------------------------------------------------------------------

#endif // ifndef CYGONCE_HAL_PLATFORM_INC

# end of platform.inc