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#ifndef CYGONCE_HAL_VARIANT_INC
#define CYGONCE_HAL_VARIANT_INC
##=============================================================================
##
## variant.inc
##
## H8/300H 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.
##
## eCos is distributed in the hope that it will be useful, but WITHOUT ANY
## WARRANTY; without even the implied warranty of MERCHANTABILITY or
## 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
## with eCos; if not, write to the Free Software Foundation, Inc.,
## 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
## by itself cause the resulting work to be covered by the GNU General Public
## License. However the source code for this file must still be made available
## in accordance with section (3) of the GNU General Public License.
##
## This exception does not invalidate any other reasons why a work based on
## this file might be covered by the GNU General Public License.
##
## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
## at http://sources.redhat.com/ecos/ecos-license/
## -------------------------------------------
#####ECOSGPLCOPYRIGHTEND####
##=============================================================================
#######DESCRIPTIONBEGIN####
##
## Author(s): nickg
## Contributors: nickg
## Date: 1999-04-06
## Purpose: H8/300H definitions.
## Description: This file contains various definitions and macros that are
## useful for writing assembly code for the H8/300H CPU variant.
## Usage:
## #include <cyg/hal/variant.inc>
## ...
##
##
######DESCRIPTIONEND####
##
##=============================================================================
#include <pkgconf/hal.h>
#include <cyg/hal/platform.inc>
#------------------------------------------------------------------------------
# Register definitions
#define SYSCR 0xfee012
#------------------------------------------------------------------------------
# CPU state save and restore macros
.macro hal_cpu_save_all
stc ccr,@-sp
subs #2,sp
subs #4,sp
mov.l er6,@-sp # push all registers
mov.l er5,@-sp
mov.l er4,@-sp
mov.l er3,@-sp
mov.l er2,@-sp
mov.l er1,@-sp
mov.l er0,@-sp
.endm
.macro hal_cpu_load_all
mov.l @sp+,er0 # pop regs
mov.l @sp+,er1
mov.l @sp+,er2
mov.l @sp+,er3
mov.l @sp+,er4
mov.l @sp+,er5
mov.l @sp+,er6
adds #4,sp
adds #2,sp
ldc @sp+,ccr
.endm
# Location of PC in saved register context (HAL_SavedRegisters)
#define SAVED_CONTEXT_PC_OFFSET 36
##-----------------------------------------------------------------------------
# Default interrupt decoding macros.
#ifndef CYGPKG_HAL_H8300_INTC_DEFINED
#define CYG_ISR_TABLE_SIZE 64
.macro hal_intc_init
mov.b @SYSCR,r0l
bclr #3,r0l
mov.b r0l,@SYSCR
.endm
#define CYGPKG_HAL_H8300_INTC_DEFINED
#endif
#ifndef CYGPKG_HAL_H8300_MON_DEFINED
.macro hal_mon_init
.endm
#if !(defined(CYG_HAL_STARTUP_ROM) || \
defined(CYGPKG_HAL_H8300_H8300H_SIM) || \
!defined(CYGSEM_HAL_USE_ROM_MONITOR))
#define CYG_HAL_H8300_VSR_TABLE_DEFINED
#endif
#define CYGPKG_HAL_H8300_MON_DEFINED
#endif
#------------------------------------------------------------------------------
#endif // ifndef CYGONCE_HAL_VARIANT_INC
# end of variant.inc
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