# ====================================================================
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# ====================================================================
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#
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#
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# common.cdl
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# common.cdl
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#
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#
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# HAL common configuration data
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# HAL common configuration data
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#
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#
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# ====================================================================
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# ====================================================================
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#####ECOSGPLCOPYRIGHTBEGIN####
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#####ECOSGPLCOPYRIGHTBEGIN####
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## -------------------------------------------
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## -------------------------------------------
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## This file is part of eCos, the Embedded Configurable Operating System.
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## This file is part of eCos, the Embedded Configurable Operating System.
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## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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##
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##
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## eCos is free software; you can redistribute it and/or modify it under
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## eCos is free software; you can redistribute it and/or modify it under
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## the terms of the GNU General Public License as published by the Free
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## the terms of the GNU General Public License as published by the Free
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## Software Foundation; either version 2 or (at your option) any later version.
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## Software Foundation; either version 2 or (at your option) any later version.
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##
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##
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## eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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## eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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## WARRANTY; without even the implied warranty of MERCHANTABILITY or
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## WARRANTY; without even the implied warranty of MERCHANTABILITY or
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## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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## for more details.
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## for more details.
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##
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##
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## You should have received a copy of the GNU General Public License along
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## You should have received a copy of the GNU General Public License along
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## with eCos; if not, write to the Free Software Foundation, Inc.,
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## with eCos; if not, write to the Free Software Foundation, Inc.,
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## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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##
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##
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## As a special exception, if other files instantiate templates or use macros
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## As a special exception, if other files instantiate templates or use macros
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## or inline functions from this file, or you compile this file and link it
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## or inline functions from this file, or you compile this file and link it
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## with other works to produce a work based on this file, this file does not
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## with other works to produce a work based on this file, this file does not
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## by itself cause the resulting work to be covered by the GNU General Public
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## by itself cause the resulting work to be covered by the GNU General Public
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## License. However the source code for this file must still be made available
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## License. However the source code for this file must still be made available
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## in accordance with section (3) of the GNU General Public License.
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## in accordance with section (3) of the GNU General Public License.
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##
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##
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## This exception does not invalidate any other reasons why a work based on
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## This exception does not invalidate any other reasons why a work based on
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## this file might be covered by the GNU General Public License.
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## this file might be covered by the GNU General Public License.
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##
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##
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## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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## at http://sources.redhat.com/ecos/ecos-license/
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## at http://sources.redhat.com/ecos/ecos-license/
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## -------------------------------------------
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## -------------------------------------------
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#####ECOSGPLCOPYRIGHTEND####
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#####ECOSGPLCOPYRIGHTEND####
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# ====================================================================
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# ====================================================================
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######DESCRIPTIONBEGIN####
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######DESCRIPTIONBEGIN####
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#
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#
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# Author(s): jskov
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# Author(s): jskov
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# Original data: nickg,jskov,jlarmour
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# Original data: nickg,jskov,jlarmour
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# Contributors:
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# Contributors:
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# Date: 1999-07-02
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# Date: 1999-07-02
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#
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#
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#####DESCRIPTIONEND####
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#####DESCRIPTIONEND####
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#
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#
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# ====================================================================
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# ====================================================================
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cdl_option CYGFUN_HAL_COMMON_KERNEL_SUPPORT {
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cdl_option CYGFUN_HAL_COMMON_KERNEL_SUPPORT {
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display "Provide eCos kernel support"
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display "Provide eCos kernel support"
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requires CYGPKG_KERNEL
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requires CYGPKG_KERNEL
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default_value CYGPKG_KERNEL
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default_value CYGPKG_KERNEL
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description "
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description "
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The HAL can be configured to either support the full eCos
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The HAL can be configured to either support the full eCos
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kernel, or to support only very simple applications which do
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kernel, or to support only very simple applications which do
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not require a full kernel. If kernel support is not required
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not require a full kernel. If kernel support is not required
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then some of the startup, exception, and interrupt handling
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then some of the startup, exception, and interrupt handling
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code can be eliminated."
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code can be eliminated."
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}
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}
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# NOTE: The requirement for kernel exception support is bogus in that
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# NOTE: The requirement for kernel exception support is bogus in that
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# the user can supply a deliver_exception function herself. In that
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# the user can supply a deliver_exception function herself. In that
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# case, however, it is easy to force the kernel option off while leaving
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# case, however, it is easy to force the kernel option off while leaving
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# this one on. Having the requirement prevents accidental invalid
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# this one on. Having the requirement prevents accidental invalid
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# configurations of the kernel.
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# configurations of the kernel.
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cdl_option CYGPKG_HAL_EXCEPTIONS {
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cdl_option CYGPKG_HAL_EXCEPTIONS {
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display "HAL exception support"
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display "HAL exception support"
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requires CYGPKG_KERNEL_EXCEPTIONS
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requires CYGPKG_KERNEL_EXCEPTIONS
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default_value CYGPKG_KERNEL_EXCEPTIONS
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default_value CYGPKG_KERNEL_EXCEPTIONS
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description "
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description "
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When a processor exception occurs, for example an attempt to
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When a processor exception occurs, for example an attempt to
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execute an illegal instruction or to perform a divide by
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execute an illegal instruction or to perform a divide by
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zero, this exception may be handled in a number of different
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zero, this exception may be handled in a number of different
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ways. If the target system has gdb support then typically
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ways. If the target system has gdb support then typically
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the exception will be handled by gdb code. Otherwise if the
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the exception will be handled by gdb code. Otherwise if the
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HAL exception support is enabled then the HAL will invoke a
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HAL exception support is enabled then the HAL will invoke a
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routine deliver_exception(). Typically this routine will be
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routine deliver_exception(). Typically this routine will be
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provided by the eCos kernel, but it is possible for
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provided by the eCos kernel, but it is possible for
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application code to provide its own implementation. If the
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application code to provide its own implementation. If the
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HAL exception support is not enabled and a processor
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HAL exception support is not enabled and a processor
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exception occurs then the behaviour of the system is
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exception occurs then the behaviour of the system is
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undefined."
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undefined."
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}
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}
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cdl_option CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG {
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cdl_option CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG {
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display "Stop calling constructors early"
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display "Stop calling constructors early"
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requires CYGSEM_LIBC_INVOKE_DEFAULT_STATIC_CONSTRUCTORS
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requires CYGSEM_LIBC_INVOKE_DEFAULT_STATIC_CONSTRUCTORS
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default_value 0
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default_value 0
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description "
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description "
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This option supports environments where some constructors
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This option supports environments where some constructors
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must be run in the context of a thread rather than at
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must be run in the context of a thread rather than at
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simple system startup time. A boolean flag named
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simple system startup time. A boolean flag named
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cyg_hal_stop_constructors is set to 1 when constructors
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cyg_hal_stop_constructors is set to 1 when constructors
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should no longer be invoked. It is up to some other
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should no longer be invoked. It is up to some other
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package to deal with the rest of the constructors.
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package to deal with the rest of the constructors.
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In the current version this is only possible with the
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In the current version this is only possible with the
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C library."
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C library."
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}
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}
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cdl_interface CYGINT_HAL_SUPPORTS_MMU_TABLES {
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cdl_interface CYGINT_HAL_SUPPORTS_MMU_TABLES {
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display "HAL uses the MMU and allows for CDL manipulation of it's use"
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display "HAL uses the MMU and allows for CDL manipulation of it's use"
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}
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}
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cdl_option CYGSEM_HAL_INSTALL_MMU_TABLES {
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cdl_option CYGSEM_HAL_INSTALL_MMU_TABLES {
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display "Install MMU tables."
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display "Install MMU tables."
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default_value { CYG_HAL_STARTUP != "RAM" }
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default_value { CYG_HAL_STARTUP != "RAM" }
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active_if CYGINT_HAL_SUPPORTS_MMU_TABLES
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active_if CYGINT_HAL_SUPPORTS_MMU_TABLES
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description "This option controls whether this application installs
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description "This option controls whether this application installs
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its own Memory Management Unit (MMU) tables, or relies on the
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its own Memory Management Unit (MMU) tables, or relies on the
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existing environment to run."
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existing environment to run."
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}
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}
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cdl_option CYGSEM_HAL_STATIC_MMU_TABLES {
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cdl_option CYGSEM_HAL_STATIC_MMU_TABLES {
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display "Use static MMU tables."
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display "Use static MMU tables."
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default_value 0
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default_value 0
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requires CYGSEM_HAL_INSTALL_MMU_TABLES
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requires CYGSEM_HAL_INSTALL_MMU_TABLES
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description "This option defines an environment where any Memory
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description "This option defines an environment where any Memory
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Management Unit (MMU) tables are constant. Normally used by ROM
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Management Unit (MMU) tables are constant. Normally used by ROM
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based environments, this provides a way to save RAM usage which
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based environments, this provides a way to save RAM usage which
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would otherwise be required for these tables."
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would otherwise be required for these tables."
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}
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}
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cdl_component CYGDBG_HAL_DIAG_TO_DEBUG_CHAN {
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cdl_component CYGDBG_HAL_DIAG_TO_DEBUG_CHAN {
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display "Route diagnostic output to debug channel"
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display "Route diagnostic output to debug channel"
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default_value { (CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS \
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default_value { (CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS \
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|| CYG_HAL_STARTUP == "RAM") ? 1 : 0}
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|| CYG_HAL_STARTUP == "RAM") ? 1 : 0}
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active_if !CYGSEM_HAL_VIRTUAL_VECTOR_INHERIT_CONSOLE
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active_if !CYGSEM_HAL_VIRTUAL_VECTOR_INHERIT_CONSOLE
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active_if { CYGPKG_HAL_ARM || CYGPKG_HAL_POWERPC_MPC8xx \
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active_if { CYGPKG_HAL_ARM || CYGPKG_HAL_POWERPC_MPC8xx \
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|| CYGPKG_HAL_V85X_V850 || CYGSEM_HAL_VIRTUAL_VECTOR_DIAG }
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|| CYGPKG_HAL_V85X_V850 || CYGSEM_HAL_VIRTUAL_VECTOR_DIAG }
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description "
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description "
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If not inheriting the console setup from the ROM monitor,
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If not inheriting the console setup from the ROM monitor,
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it is possible to redirect diagnostic output to the debug
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it is possible to redirect diagnostic output to the debug
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channel by enabling this option. Depending on the debugger
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channel by enabling this option. Depending on the debugger
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used it may also be necessary to select a mangler for the
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used it may also be necessary to select a mangler for the
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output to be displayed by the debugger."
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output to be displayed by the debugger."
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cdl_option CYGSEM_HAL_DIAG_MANGLER {
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cdl_option CYGSEM_HAL_DIAG_MANGLER {
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display "Mangler used on diag output"
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display "Mangler used on diag output"
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flavor data
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flavor data
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legal_values {"GDB" "None"}
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legal_values {"GDB" "None"}
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default_value { "GDB" }
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default_value { "GDB" }
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description "
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description "
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It is sometimes necessary to mangle (encode) the
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It is sometimes necessary to mangle (encode) the
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diag ASCII text output in order for it to show up at the
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diag ASCII text output in order for it to show up at the
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other end. In particular, GDB may silently ignore raw
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other end. In particular, GDB may silently ignore raw
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ASCII text."
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ASCII text."
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}
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}
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}
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}
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