Subversion Repositories openrisc_me

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

#

#      uitron.cdl

#

#      uITRON 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:  hmt

# Contributors:

# Date:           1999-06-13

#

#####DESCRIPTIONEND####

#

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

cdl_package CYGPKG_UITRON {

    display       "uITRON compatibility layer"

    include_dir   cyg/compat/uitron

    doc           ref/compat-uitron.html

    requires      CYGPKG_KERNEL

    description   "

        eCos supports a uITRON Compatibility Layer, providing

        full Level S (Standard) compliance with Version 3.02 of

        the uITRON Standard, plus many Level E (Extended) features.

        uITRON is the premier Japanese embedded RTOS standard."

    compile       uit_func.cxx uit_ifnc.cxx uit_objs.cxx

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

    #                       Conformance check

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

    cdl_interface CYGINT_UITRON_CONFORMANCE {

        requires 1 == CYGINT_UITRON_CONFORMANCE

    }

    cdl_option CYGIMP_UITRON_STRICT_CONFORMANCE {

        display       "Check strict uITRON standards conformance"

        default_value 0

        requires      CYGVAR_KERNEL_COUNTERS_CLOCK

        requires      CYGSEM_KERNEL_SCHED_MLQUEUE

        requires      !CYGSEM_KERNEL_SCHED_TIMESLICE

        requires      CYGFUN_KERNEL_THREADS_TIMER

        implements    CYGINT_UITRON_CONFORMANCE

        description   "

            Require the rest of the system configuration

            to match the needs of strict uITRON standards conformance.

            This option can only be set if the rest of the system is

            configured correctly for uITRON semantics, for example

            there must be a realtime clock, a suitable scheduler, and no

            timeslicing.

            Of course a system without this selected can be completely

            conformant; this is here to help you check."

    }

    cdl_option CYGIMP_UITRON_LOOSE_CONFORMANCE {

        display       "System configuration overrides uITRON"

        default_value 1

        implements    CYGINT_UITRON_CONFORMANCE

        description   "

            Do not require the rest of the system configuration

            to match the needs of strict uITRON standards conformance.

            For example a bitmap scheduler, or timeslicing, can be used

            with the uITRON functions, but such an environment is not

            strictly conformant with the uITRON specification.

            Of course a system with this selected can be completely

            conformant; but it is up to you to configure it correctly."

    }

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

    #                       uITRON FUNCTION CALLS

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

    cdl_option CYGIMP_UITRON_INLINE_FUNCS {

        display       "Inline functions"

        default_value 0

        description   "

            If compiling your application with a C++ compiler,

            uITRON functions can be inline: set this to make it so.

            Inlining functions often increases execution speed,

            though possibly at the cost of a larger executable,

            depending on what functions are used.

            Do NOT set this if compiling your application

            in plain C."

    }

    cdl_option CYGIMP_UITRON_CPP_OUTLINE_FUNCS {

        display       "C++ function names"

        default_value 0

        description   "

            If compiling your application with a C++ compiler,

            uITRON functions can be given C++ style mangled names:

            set this to make it so.

            This option may make debugging your program easier,

            depending on your development environment.

            Do NOT set this if compiling your application

            in plain C."

    }

    cdl_option CYGSEM_UITRON_BAD_PARAMS_RETURN_ERRORS {

        display       "Return error codes for bad params"

        default_value 1

        description   "

            When an application is fully debugged there is no need

            to check for bad parameters on every system call, for those

            parameters which are typically pointers or constants.

            Removing the checking code saves space

            and improves performance: set this to make it so.

            When this option is set, the correctness of parameters

            is asserted using CYG_ASSERT() which compiles to

            nothing in a non-debug configuration."

    }

    cdl_option CYGSEM_UITRON_PARAMS_NULL_IS_GOOD_PTR {

        display       "NULL is a good pointer"

        default_value 0

        description   "

            uITRON deliberately defines the constant NADR (-1) for

            use as an invalid memory address.

            The value -1 is chosen to allow working in microcontrollers

            which have real memory at address zero, the traditional 'C'

            NULL pointer.

            By default, uITRON functions check for both NULL and NADR as

            bad addresses: set this option to prevent checking for

            NULL and allow pointers to address zero to be used."

    }

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

    #                      uITRON KERNEL OBJECTS

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

    cdl_component CYGPKG_UITRON_SEMAS {

        display       "Semaphores"

        flavor        bool

        default_value 1

        description   "

            uITRON Semaphore objects are used with functions

            named xxx_sem(); they support traditional semaphore

            semantics."

        script        semas.cdl

    }

    cdl_component CYGPKG_UITRON_MBOXES {

        display       "Mailboxes"

        flavor        bool

        default_value 1

        description   "

            uITRON Mailbox objects are used with functions

            named xxx_msg() and xxx_mbx(); they support

            passing addresses (of 'messages') between tasks

            in a safe manner."

        script        mboxes.cdl

    }

    cdl_component CYGPKG_UITRON_FLAGS {

        display       "Eventflags"

        flavor        bool

        default_value 1

        description   "

            uITRON Eventflag objects are used with functions

            named xxx_flg(); they support communication between

            tasks by means of setting and clearing bits in a word

            or flag value.

            Waiting for all or any of a set of bits is supported."

        script        flags.cdl

    }

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

    #                            uITRON TASKS

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

    cdl_component CYGPKG_UITRON_TASKS {

        display      "Tasks"

        flavor        none

        description   "

            uITRON Tasks are the basic blocks of multi-tasking

            in the uITRON world; they are threads or lightweight

            processes, sharing the address space and the CPU.

            They communicate using the primitives outlined above.

            Each has a stack, an entry point (a C or C++ function),

            and (where appropriate) a scheduling priority."

        script        tasks.cdl

    }

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

    # Memory Pools, both fixed and variable block

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

    cdl_component CYGPKG_UITRON_MEMPOOLFIXED {

        display       "Fixed-size memorypools"

        flavor        bool

        default_value 1

        requires      CYGPKG_MEMALLOC

        description   "

            uITRON supports memory pools for dynamic, task-safe

            memory allocation.

            Two kinds are supported, fixed-size and variable-size.

            There may be multiple of each

            type of pool, each with differing characteristics.

            This option controls whether there are any fixed-size

            memorypools in the system.

            A fixed-size memorypool allocates blocks of memory of

            its preset fixed size and none other."

        script        mempoolfixed.cdl

    }

    cdl_component CYGPKG_UITRON_MEMPOOLVAR {

        display       "Variable-size memorypools"

        flavor        bool

        default_value 1

        requires      CYGPKG_MEMALLOC

        description   "

            uITRON supports memory pools for dynamic, task-safe

            memory allocation.

            Two kinds are supported, fixed-size and variable-size.

            There may be multiple of each

            type of pool, each with differing characteristics.

            This option controls whether there are any variable-size

            memorypools in the system.

            A variable-size memorypool allocates blocks of memory of

            any size requested, resources permitting."

        script        mempoolvar.cdl

    }

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

    # One-shot Alarm and Cyclic Alarm handlers:

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

    cdl_option CYGSEM_UITRON_TIME_IS_MILLISECONDS {

        display       "uITRON time unit is mS"

        flavor        bool

        default_value 0

        active_if     CYGVAR_KERNEL_COUNTERS_CLOCK

        description   "

            Setting this option enables a conversion feature so that

            time parameters to uITRON APIs are converted from milliSeconds

            to whatever the eCos kernel real-time clock's units are,

            or vice versa.

            If this option is not set, time parameters are expressed in

            kernel clock ticks."

    }

    cdl_component CYGPKG_UITRON_ALARMS {

        display       "Alarm handlers"

        flavor        bool

        default_value 1

        requires      CYGVAR_KERNEL_COUNTERS_CLOCK

        description   "

            uITRON Alarm Handlers are used with functions

            named def_alm() and ref_alm(); they support

            simple timing, with a function callback

            at the end of the timed period."

        cdl_option CYGNUM_UITRON_ALARMS {

            display       "Number of alarm handlers"

            flavor        data

            legal_values  1 to 65535

            default_value 3

            description   "

                The number of uITRON alarm

                handlers present in the system.

                Valid alarm handler numbers will range

                from 1 to this value."

        }

    }

    cdl_component CYGPKG_UITRON_CYCLICS {

        display       "Cyclic handlers"

        flavor        bool

        default_value 1

        requires      CYGVAR_KERNEL_COUNTERS_CLOCK

        description   "

            uITRON Cyclic Handlers are used with functions

            named xxx_cyc(); they support timing

            with a periodic function callback that

            can be dynamically turned on or off, and

            resynchronized with external events."

        cdl_option CYGNUM_UITRON_CYCLICS {

            display       "Number cyclic handlers"

            flavor        data

            legal_values  1 to 65535

            default_value 3

            description   "

                The number of uITRON cyclics

                handlers present in the system.

                Valid cyclic handler numbers will range

                from 1 to this value."

        }

    }

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

    # Interrupt-safe functions [ixxx_yyy()]:

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

    cdl_component CYGPKG_UITRON_INTERRUPT_FUNCTIONS {

        display         "Interrupt-safe functions"

        flavor          none

        description "The uITRON system provides some functions which may

                 safely be used within interrupt handlers.  In eCos, this

                 means within ISRs, providing that the corresponding DSR is

                 associated with that interrupt.  These functions are

                 typically named ixxx_yyy(), according to the uITRON

                 specification, for example isig_sem() corresponds to normal

                 function sig_sem()."

        cdl_option CYGSEM_UITRON_ISRFUNCS_TRY_IMMEDIATE_EXECUTION {

            display          "Execute in ISR if safe"

            parent           CYGPKG_UITRON_INTERRUPT_FUNCTIONS

            flavor           bool

            default_value    1

            description      "

                     These functions of necessity maintain a queue of

                     operations requested for deferred execution.  However,

                     during an interrupt, it may be safe to perform scheduling

                     operations.  If this option is set, the interrupt-safe

                     functions will have effect there and then if it is indeed

                     safe, rather than queueing a request to perform the

                     operation in the DSR."

        }

        cdl_option CYGNUM_UITRON_ISR_ACTION_QUEUESIZE {

            display          "Deferred operation queue size"

            parent           CYGPKG_UITRON_INTERRUPT_FUNCTIONS

            flavor           data

            legal_values     4 8 16 32 64 128 256

            default_value    32

            description "These functions of necessity maintain a queue of

                     operations requested for deferred execution.  This option

                     controls the queue size.  It must be a power of two for

                     implementation reasons."

        }

    }

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

    #                      uITRON VERSION INFORMATION

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

    cdl_component CYGPKG_UITRON_VERSION {

        display       "Version information"

        flavor        none

        description   "

            The get_ver() uITRON system call returns

            several version related values describing

            the vendor, product and CPU in question

            as well as the version of the uITRON

            standard supported.

            These values may be specified here."

        script        version.cdl

    }

    define_proc {

        puts $::cdl_header "/***** proc output start *****/"

        puts $::cdl_header "#include "

        puts $::cdl_header "#include "

        puts $::cdl_header "/*****  proc output end  *****/"

    }

    cdl_component CYGPKG_UITRON_OPTIONS {

        display "uITRON build options"

        flavor  none

        description   "

            Package specific build options including control over

            compiler flags used only in building this package,

            and details of which tests are built."

        cdl_option CYGPKG_UITRON_CFLAGS_ADD {

            display "Additional compiler flags"

            flavor  data

            no_define

            default_value { "" }

            description   "

                This option modifies the set of compiler flags for

                building the uITRON compatibility layer. These flags are used in addition

                to the set of global flags."

        }

        cdl_option CYGPKG_UITRON_CFLAGS_REMOVE {

            display "Suppressed compiler flags"

            flavor  data

            no_define

            default_value { "" }

            description   "

                This option modifies the set of compiler flags for

                building the uITRON compatibility layer. These flags are removed from

                the set of global flags if present."

        }

        cdl_option CYGPKG_UITRON_TESTS {

            display "uITRON tests"

            flavor  data

            no_define

            calculated {

                "tests/testcxx tests/testcx2 tests/testcx3 tests/testcx4 tests/testcx5 tests/testcx6 tests/testcx7 tests/testcx8 tests/testcx9"

                . ((!CYGIMP_UITRON_INLINE_FUNCS && !CYGIMP_UITRON_CPP_OUTLINE_FUNCS) ?

                " tests/test1 tests/test2 tests/test3 tests/test4 tests/test5 tests/test6 tests/test7 tests/test8 tests/test9 tests/testintr" : "")

            }

            description   "

                This option specifies the set of tests for the uITRON compatibility layer."

        }

    }

}