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    /or1k/trunk/ecos-2.0/packages/infra/v2_0/cdl
    from Rev 1254 to Rev 1765
    Reverse comparison

Rev 1254 → Rev 1765

/infra.cdl
0,0 → 1,312
# ====================================================================
#
# infra.cdl
#
# Infrastructure configuration data
#
# ====================================================================
#####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): bartv
# Original data: bartv,hmt
# Contributors:
# Date: 1999-06-13
#
#####DESCRIPTIONEND####
#
# ====================================================================
 
cdl_package CYGPKG_INFRA {
display "Infrastructure"
include_dir cyg/infra
description "
Common types and useful macros.
Tracing and assertion facilities.
Package startup options."
 
compile startup.cxx prestart.cxx pkgstart.cxx userstart.cxx \
dummyxxmain.cxx null.cxx simple.cxx fancy.cxx buffer.cxx \
diag.cxx tcdiag.cxx memcpy.c memset.c delete.cxx eprintf.c \
pure.cxx
 
 
# ====================================================================
# cdl_component CYGPKG_INFRA_TYPES {
# display "Common Types"
# flavor none
# active_if 0 ;# Not yet configurable.
# description "
# These types are used throughout the eCos source code.
# Currently there are no configuration options associated
# with the Common Types component; they are automatically
# set up according to the selected HAL."
# }
 
# ====================================================================
cdl_component CYGPKG_INFRA_DEBUG {
display "Asserts & Tracing"
default_value 0
description "
The eCos source code contains a significant amount of
internal debugging support, in the form of assertions and
tracing.
Assertions check at runtime that various conditions are as
expected; if not, execution is halted.
Tracing takes the form of text messages that are output
whenever certain events occur, or whenever functions are
called or return.
The most important property of these checks and messages is
that they are not required for the program to run.
It is prudent to develop software with assertions enabled,
but disable them when making a product release, thus
removing the overhead of that checking.
It is possible to enable assertions and tracing
independently.
There are also options controlling the exact behaviour of
the assertion and tracing facilities, thus giving users
finer control over the code and data size requirements."
 
script debug.cdl
}
 
# ====================================================================
cdl_component CYGPKG_INFRA_STARTUP {
display "Startup options"
flavor none
description "
Some packages require a startup routine to be called.
This can be carried out by application code, by supplying
a routine called cyg_package_start() which calls the
appropriate package startup routine(s).
Alternatively, this routine can be constructed automatically
and configured to call the startup routines of your choice."
 
script startup.cdl
}
 
# ========================================================================
# memcpy()/memset() configuration
cdl_option CYGIMP_INFRA_PREFER_SMALL_TO_FAST_MEMCPY {
display "Smaller slower memcpy()"
default_value 0
description "
Enabling this option causes the implementation of
the standard memcpy() routine to reduce code
size at the expense of execution speed. This
option is automatically enabled with the use of
the -Os option to the compiler. Also note that
the compiler will try to use its own builtin
version of memcpy() if possible, ignoring the
implementation in this package, unless given
the -fno-builtin compiler option."
}
 
cdl_option CYGIMP_INFRA_PREFER_SMALL_TO_FAST_MEMSET {
display "Smaller slower memset()"
default_value 0
description "
Enabling this option causes the implementation of
the standard memset() routine to reduce code
size at the expense of execution speed. This
option is automatically enabled with the use of
the -Os option to the compiler. Also note that
the compiler will try to use its own builtin
version of memset() if possible, ignoring the
implementation in this package, unless given
the -fno-builtin compiler option."
}
 
# ========================================================================
 
cdl_option CYGFUN_INFRA_EMPTY_DELETE_FUNCTIONS {
display "Provide empty C++ delete functions"
default_value 1
description "
To deal with virtual destructors, where the correct delete()
function must be called for the derived class in question, the
underlying delete is called when needed, from destructors. This
is regardless of whether the destructor is called by delete itself.
So there is a reference to delete() from all destructors. The
default builtin delete() attempts to call free() if there is
one defined. So, if you have destructors, and you have free(),
as in malloc() and free(), any destructor counts as a reference
to free(). So the dynamic memory allocation code is linked
in regardless of whether it gets explicitly called. This
increases code and data size needlessly.
To defeat this undesirable behaviour, we define empty versions
of delete and delete[]. But doing this prevents proper use
of dynamic memory in C++ programs via C++'s new and delete
operators.
Therefore, this option is provided
for explicitly disabling the provision of these empty functions,
so that new and delete can be used, if that is what is required."
}
 
# ========================================================================
 
cdl_option CYGFUN_INFRA_DUMMY_ABORT {
display "Provide dummy abort() function"
requires !CYGINT_ISO_EXIT
default_value { CYGINT_ISO_EXIT == 0 }
compile abort.cxx
description "
This option controls the inclusion of a dummy abort() function.
Parts of the C and C++ compiler runtime systems contain references
to abort(), particulary in the C++ exception handling code. It is
not possible to eliminate these references, so this dummy function
in included to satisfy them. It is not expected that this function
will ever be called, so its current behaviour is to simply loop."
}
 
# ========================================================================
 
cdl_option CYGFUN_INFRA_DUMMY_STRLEN {
display "Provide dummy strlen() function"
requires !CYGINT_ISO_STRING_STRFUNCS
default_value { CYGINT_ISO_STRING_STRFUNCS == 0 }
compile strlen.cxx
description "
This option controls the inclusion of a dummy strlen() function.
Parts of the C and C++ compiler runtime systems contain references
to strlen(), particulary in the C++ exception handling code. It is
not possible to eliminate these references, so this dummy function
in included to satisfy them. While it is not expected that this function
will ever be called, it is functional but uses the simplest, smallest
algorithm. There is a faster version of strlen() in the C library."
}
# ========================================================================
# Debugging-related miscellania.
 
define_proc {
puts $::cdl_header "/***** proc output start *****/"
puts $::cdl_header "#include <pkgconf/system.h>"
puts $::cdl_header "/***** proc output end *****/"
}
 
 
# ========================================================================
# Global compiler option controls
 
cdl_option CYGBLD_INFRA_CFLAGS_WARNINGS_AS_ERRORS {
display "Make all compiler warnings show as errors"
requires { is_substr(CYGBLD_GLOBAL_CFLAGS, " -Werror") }
default_value 0
description "
Enabling this option will cause all compiler warnings to show
as errors and bring the library build to a halt. This is used
to ensure that the code base is warning free, and thus ensure
that newly introduced warnings stand out and get fixed before
they show up as weird run-time behavior."
}
 
cdl_option CYGBLD_INFRA_CFLAGS_PIPE {
display "Make compiler and assembler communicate by pipe"
requires { is_substr(CYGBLD_GLOBAL_CFLAGS, " -pipe") }
default_value 0
description "
Enabling this option will cause the compiler to feed the
assembly output the the assembler via a pipe instead of
via a temporary file. This normally reduces the build
time."
}
 
# ========================================================================
# Package compiler options
 
cdl_component CYGPKG_INFRA_OPTIONS {
display "Infra build options"
flavor none
description "
Package specific build options including control over
compiler flags used only in building this package."
 
 
cdl_option CYGPKG_INFRA_CFLAGS_ADD {
display "Additional compiler flags"
flavor data
no_define
default_value { "" }
description "
This option modifies the set of compiler flags for
building the eCos infra package. These flags are used
in addition to the set of global flags."
}
 
cdl_option CYGPKG_INFRA_CFLAGS_REMOVE {
display "Suppressed compiler flags"
flavor data
no_define
default_value { "" }
description "
This option modifies the set of compiler flags for
building the eCos infra package. These flags are removed from
the set of global flags if present."
}
 
cdl_option CYGPKG_INFRA_LDFLAGS_REMOVE {
display "Suppressed linker flags"
flavor data
no_define
default_value { "-Wl,--gc-sections" }
description "
This option modifies the set of linker flags for
building the eCos infra package tests. These flags are removed from
the set of global flags if present."
}
 
cdl_option CYGPKG_INFRA_LDFLAGS_ADD {
display "Additional linker flags"
flavor data
no_define
default_value { "-Wl,--fatal-warnings" }
description "
This option modifies the set of linker flags for
building the eCos infra package tests. These flags are added to
the set of global flags if present."
}
 
cdl_option CYGPKG_INFRA_TESTS {
display "Infra package tests"
flavor data
no_define
calculated { "" }
}
 
}
}
/assert.cdl
0,0 → 1,120
# ====================================================================
#
# assert.cdl
#
# Infrastructure debugging/assertion configuration data
#
# ====================================================================
#####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): jskov
# Original data: bartv,hmt
# Contributors:
# Date: 1999-07-02
#
#####DESCRIPTIONEND####
#
# ====================================================================
 
# The eCos system uses a number of more specialised assertions in
# addition to a conventional ASSERT() macro. By default these are all
# enabled when general assertions are enabled, but it is possible to
# suppress some of them and thus reduce the size of the generated code.
#
# Preconditions check that a condition holds true at the beginning of
# a piece of code, typically at the start of a function. For example a
# kernel function might have a precondition that it is only invoked
# when the scheduler is locked.
#
# Postconditions check that a condition holds at the end of a piece of
# code, typically at the point where a function returns. For example
# at the end of scheduler initialisation there could be a
# postcondition that there is at least one runnable thread, the idle
# thread.
#
# Loop invariants check that a condition holds on every iteration of
# a loop. For example the deferred service support code in the kernel
# could have a loop invariant that interrupts are enabled whenever
# there are still DSR's pending.
 
cdl_option CYGDBG_INFRA_DEBUG_PRECONDITIONS {
display "Preconditions"
default_value 1
description "
This option allows individual control of preconditions.
A precondition is one type of assert, which it is
useful to control separately from more general asserts.
The function is CYG_PRECONDITION(condition,msg)."
}
cdl_option CYGDBG_INFRA_DEBUG_POSTCONDITIONS {
display "Postconditions"
default_value 1
description "
This option allows individual control of postconditions.
A postcondition is one type of assert, which it is
useful to control separately from more general asserts.
The function is CYG_POSTCONDITION(condition,msg)."
}
cdl_option CYGDBG_INFRA_DEBUG_LOOP_INVARIANTS {
display "Loop invariants"
default_value 1
description "
This option allows individual control of loop invariants.
A loop invariant is one type of assert, which it is
useful to control separately from more general asserts,
particularly since a loop invariant is typically evaluated
a great many times when used correctly.
The function is CYG_LOOP_INVARIANT(condition,msg)."
}
 
cdl_option CYGDBG_INFRA_DEBUG_ASSERT_MESSAGE {
display "Use assert text"
default_value 1
description "
All assertions within eCos contain a text message
which should give some information about the condition
being tested.
These text messages will end up being embedded in the
application image and hence there is a significant penalty
in terms of image size.
It is possible to suppress the use of these messages by
disabling this option.
This results in smaller code size, but there is less
human-readable information if an assertion actually gets
triggered."
}
 
# EOF assert.cdl
/startup.cdl
0,0 → 1,82
# ====================================================================
#
# startup.cdl
#
# Infrastructure startup configuration data
#
# ====================================================================
#####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): bartv
# Original data: bartv,hmt
# Contributors:
# Date: 1999-06-13
#
#####DESCRIPTIONEND####
#
# ====================================================================
 
# =================================================================
# The following options allow particular compatibility modes to be
# enabled, when they require specialised support from the startup
# process. These can affect the environment in which the program
# runs.
#
# CYGSEM_START_UITRON_COMPATIBILITY enables compatibility with uItron.
# You must configure uItron with the correct tasks, and then enabling this
# option starts the uItron subsystem. It does this by invoking the function
# cyg_uitron_start().
#
# Both these can also be done by the user overriding cyg_user_start(),
# cyg_package_start(), or cyg_prestart(). Refer to the documentation on
# how and when to do this.
 
cdl_option CYGSEM_START_UITRON_COMPATIBILITY {
display "Start uITRON subsystem"
default_value 0
requires CYGPKG_UITRON
active_if CYGPKG_UITRON
description "
Generate a call to initialize the
uITRON compatibility subsystem
within the system version of cyg_package_start().
This enables compatibility with uITRON.
You must configure uITRON with the correct tasks before
starting the uItron subsystem.
If this is disabled, and you want to use uITRON,
you must call cyg_uitron_start() from your own
cyg_package_start() or cyg_userstart()."
}
/debug.cdl
0,0 → 1,235
# ====================================================================
#
# debug.cdl
#
# Infrastructure debugging configuration data
#
# ====================================================================
#####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): jskov
# Original data: bartv,hmt
# Contributors:
# Date: 1999-07-02
#
#####DESCRIPTIONEND####
#
# ====================================================================
 
# If global debugging is enabled then by default all assertions
# are enabled. Tracing is not enabled by default because it
# involves excessive overheads, for example on some targets
# it requires sending a string down a serial line for every
# function call. Both assertions and tracing are controlled
# by the following lines.
 
cdl_component CYGDBG_USE_ASSERTS {
display "Use asserts"
default_value 1
requires { 1 == CYGINT_INFRA_DEBUG_TRACE_IMPL }
description "
If this option is defined, asserts in the code are tested.
Assert functions (CYG_ASSERT()) are defined in
'include/cyg/infra/cyg_ass.h' within the 'install' tree.
If it is not defined, these result in no additional
object code and no checking of the asserted conditions."
 
script assert.cdl
}
 
cdl_component CYGDBG_USE_TRACING {
display "Use tracing"
default_value 0
requires { 1 == CYGINT_INFRA_DEBUG_TRACE_IMPL }
description "
If this option is defined, tracing operations
result in output or logging, depending on other options.
This may have adverse effects on performance, if the time
taken to output message overwhelms the available CPU
power or output bandwidth.
Trace functions (CYG_TRACE()) are defined in
'include/cyg/infra/cyg_trac.h' within the 'install' tree.
If it is not defined, these result in no additional
object code and no trace information."
 
 
# The eCos system uses two types of tracing mechanisms. The most common
# type traces events, for example an event could be logged whenever
# an interrupt occurs or whenever a context switch takes place. The
# second type of tracing mechanism records every function entry and
# exit. It is possible to disable this second type of tracing while
# leaving the main tracing facility enabled.
cdl_option CYGDBG_INFRA_DEBUG_FUNCTION_REPORTS {
display "Trace function reports"
default_value 1
description "
This option allows individual control of
function entry/exit tracing, independent of
more general tracing output.
This may be useful to remove clutter from a
trace log."
}
 
cdl_option CYGDBG_INFRA_DEBUG_TRACE_MESSAGE {
display "Use trace text"
default_value 1
description "
All trace calls within eCos contain a text message
which should give some information about the circumstances.
These text messages will end up being embedded in the
application image and hence there is a significant penalty
in terms of image size.
It is possible to suppress the use of these messages by
disabling this option.
This results in smaller code size, but there is less
human-readable information available in the trace output,
possibly only filenames and line numbers."
}
}
 
cdl_interface CYGINT_INFRA_DEBUG_TRACE_IMPL {
display "Trace output implementations"
}
 
cdl_option CYGDBG_INFRA_DEBUG_TRACE_ASSERT_NULL {
display "Null output"
default_value 0
implements CYGINT_INFRA_DEBUG_TRACE_IMPL
description "
A null output module which is useful when
debugging interactively; the output routines
can be breakpointed rather than have them actually
'print' something."
}
cdl_option CYGDBG_INFRA_DEBUG_TRACE_ASSERT_SIMPLE {
display "Simple output"
default_value 0
implements CYGINT_INFRA_DEBUG_TRACE_IMPL
description "
An output module which produces simple output
from tracing and assertion events."
}
cdl_option CYGDBG_INFRA_DEBUG_TRACE_ASSERT_FANCY {
display "Fancy output"
default_value 0
implements CYGINT_INFRA_DEBUG_TRACE_IMPL
description "
An output module which produces fancy output
from tracing and assertion events."
}
cdl_component CYGDBG_INFRA_DEBUG_TRACE_ASSERT_BUFFER {
display "Buffered tracing"
default_value 1
implements CYGINT_INFRA_DEBUG_TRACE_IMPL
description "
An output module which buffers output
from tracing and assertion events. The stored
messages are output when an assert fires, or
CYG_TRACE_PRINT() (defined in <cyg/infra/cyg_trac.h>)
is called.
Of course, there will only be stored messages
if tracing per se (CYGDBG_USE_TRACING)
is enabled above."
 
cdl_option CYGDBG_INFRA_DEBUG_TRACE_BUFFER_SIZE {
display "Trace buffer size"
flavor data
active_if CYGDBG_USE_TRACING
default_value 32
legal_values 5 to 65535
description "
The size of the trace buffer. This counts the number
of trace records stored. When the buffer fills it
either wraps, stops recording, or generates output."
}
# FIXME: The below options should be mutually exclusive.
cdl_option CYGDBG_INFRA_DEBUG_TRACE_BUFFER_WRAP {
display "Wrap trace buffer when full"
active_if CYGDBG_USE_TRACING
default_value 1
# type radio
description "
When the trace buffer has filled with records it
starts again at the beginning. Hence only the last
CYGDBG_INFRA_DEBUG_TRACE_BUFFER_SIZE messages will
be recorded."
}
cdl_option CYGDBG_INFRA_DEBUG_TRACE_BUFFER_HALT {
display "Halt trace buffer when full"
active_if CYGDBG_USE_TRACING
default_value 0
# type radio
description "
When the trace buffer has filled with records it
stops recording. Hence only the first
CYGDBG_INFRA_DEBUG_TRACE_BUFFER_SIZE messages will
be recorded."
}
cdl_option CYGDBG_INFRA_DEBUG_TRACE_BUFFER_PRINT {
display "Print trace buffer when full"
active_if CYGDBG_USE_TRACING
default_value 0
# type radio
description "
When the trace buffer has filled with records it
prints the contents of the buffer. The buffer is then
emptied and the system continues."
}
cdl_option CYGDBG_INFRA_DEBUG_TRACE_BUFFER_PRINT_ON_ASSERT {
display "Print trace buffer on assert fail"
active_if CYGDBG_USE_TRACING
default_value 1
description "
When an assertion fails the trace buffer will be
printed to the default diagnostic device."
}
}
 
cdl_option CYGDBG_INFRA_DEBUG_FUNCTION_PSEUDOMACRO {
display "Use function names"
default_value 1
description "
All trace and assert calls within eCos contain a
reference to the builtin macro '__PRETTY_FUNCTION__',
which evaluates to a string containing
the name of the current function.
This is useful when reading a trace log.
It is possible to suppress the use of the function name
by disabling this option.
This results in smaller code size, but there is less
human-readable information available in the trace output,
possibly only filenames and line numbers."
}

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