# ==================================================================== # # kernel.cdl # # eCos kernel 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: nickg # Contributors: # Date: 1999-06-13 # #####DESCRIPTIONEND#### # # ==================================================================== cdl_package CYGPKG_KERNEL { display "eCos kernel" doc ref/kernel.html include_dir cyg/kernel description " This package contains the core functionality of the eCos kernel. It relies on functionality provided by various HAL packages and by the eCos infrastructure. In turn the eCos kernel provides support for other packages such as the device drivers and the uITRON compatibility layer." # FIXME: The compile statement should be split up and integrated as # part of the components - so files only get comiled when they # will actually be used. compile common/clock.cxx common/timer.cxx common/kapi.cxx \ common/thread.cxx common/except.cxx \ intr/intr.cxx \ sched/bitmap.cxx sched/lottery.cxx sched/mlqueue.cxx \ sched/sched.cxx \ sync/bin_sem.cxx sync/cnt_sem.cxx sync/flag.cxx \ sync/cnt_sem2.cxx sync/mbox.cxx sync/mutex.cxx \ debug/dbg-thread-demux.c # --------------------------------------------------------------------- # The first component within the kernel is related to interrupt # handling. cdl_component CYGPKG_KERNEL_INTERRUPTS { display "Kernel interrupt handling" flavor none doc ref/kernel-interrupts.html description " The majority of configuration options related to interrupt handling are in the HAL packages, since usually the code has to be platform-specific. There are a number of options provided within the kernel related to slightly higher-level concepts, for example Delayed Service Routines." script interrupts.cdl } # --------------------------------------------------------------------- # Exceptions. Currently there are only two options. The first # determines whether or not exceptions are enabled at all. The # second controls whether they apply globally or on a per-thread # basis. There should probably be more options, but the boundary # between the HAL and kernel becomes blurred. cdl_component CYGPKG_KERNEL_EXCEPTIONS { display "Exception handling" requires CYGPKG_HAL_EXCEPTIONS default_value 1 doc ref/kernel-exceptions.html description " In the context of the eCos kernel exceptions are unexpected events detected by the hardware, for example an attempt to execute an illegal instruction. There is no relation with other forms of exception, for example the catch and throw facilities of languages like C++. It is possible to disable all support for exceptions and thus save some memory." cdl_option CYGSEM_KERNEL_EXCEPTIONS_DECODE { display "Decode exception types in kernel" default_value 0 description " On targets where several different types of exception are possible, for example executing an illegal instruction and division by zero, it is possible for the kernel to do some decoding of the exception type and deliver the different types of exception to different handlers in the application code. Alternatively the kernel can simply pass all exceptions directly to application code, leaving the decoding to be done by the application" } cdl_option CYGSEM_KERNEL_EXCEPTIONS_GLOBAL { display "Use global exception handlers" default_value 1 description " In the context of the eCos kernel exceptions are unexpected events detected by the hardware, for example an attempt to execute an illegal instruction. If the kernel is configured to support exceptions then two implementations are possible. The default implementation involves a single set of exception handlers that are in use for the entire system. The alternative implementation allows different exception handlers to be specified for each thread." } } # --------------------------------------------------------------------- cdl_component CYGPKG_KERNEL_SCHED { display "Kernel schedulers" flavor none doc ref/kernel-overview.html#KERNEL-OVERVIEW-SCHEDULERS description " The eCos kernel provides a choice of schedulers. In addition there are a number of configuration options to control the detailed behaviour of these schedulers." script scheduler.cdl } # --------------------------------------------------------------------- # SMP support cdl_component CYGPKG_KERNEL_SMP_SUPPORT { display "SMP support" flavor bool requires CYGPKG_HAL_SMP_SUPPORT default_value 0 } # --------------------------------------------------------------------- cdl_component CYGPKG_KERNEL_COUNTERS { display "Counters and clocks" flavor none doc ref/kernel-counters.html description " The counter objects provided by the kernel provide an abstraction of the clock facility that is generally provided. Application code can associate alarms with counters, where an alarm is identified by the number of ticks until it triggers, the action to be taken on triggering, and whether or not the alarm should be repeated." script counters.cdl } # --------------------------------------------------------------------- cdl_component CYGPKG_KERNEL_THREADS { display "Thread-related options" flavor none description " There are a number of configuration options related to the implementation of threads, for example whether or not the eCos kernel supports per-thread data." script thread.cdl } # --------------------------------------------------------------------- cdl_component CYGPKG_KERNEL_SYNCH { display "Synchronization primitives" flavor none description " The eCos kernel supports a number of different synchronization primitives such as mutexes, semaphores, condition variables, and message boxes. There are configuration options to control the exact behaviour of some of these synchronization primitives." script synch.cdl } # --------------------------------------------------------------------- cdl_component CYGPKG_KERNEL_INSTRUMENT { display "Kernel instrumentation" flavor bool default_value 0 description " The current release of the kernel contains an initial version of instrumentation support. The various parts of the kernel will invoke instrumentation routines whenever appropriate events occur, and these will be stored in a circular buffer for later reference." compile instrmnt/meminst.cxx script instrument.cdl } #=================================================================== # Options related to source-level debugging and diagnostics. cdl_component CYGPKG_KERNEL_DEBUG { display "Source-level debugging support" flavor none description " If the source level debugger gdb is to be used for debugging application code then it may be necessary to configure in support for this in the kernel." # NOTE: does this require any other support ? cdl_option CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT { display "Include GDB multi-threading debug support" requires CYGVAR_KERNEL_THREADS_LIST requires CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT default_value 1 compile debug/dbg_gdb.cxx description " This option enables some extra kernel code which is needed to support multi-threaded source level debugging." } } # --------------------------------------------------------------------- # Kernel API's. The C++ one is the default. A C API is optional. # Support for other languages is possible. cdl_component CYGPKG_KERNEL_API { display "Kernel APIs" flavor none description " The eCos kernel is implemented in C++, so a C++ interface to the kernel is always available. There is also an optional C API. Additional API's may be provided in future versions." cdl_option CYGFUN_KERNEL_API_C { display "Provide C API" default_value 1 description " The eCos kernel is implemented in C++, but there is an optional C API for use by application code. This C API can be disabled if the application code does not invoke the kernel directly, but instead uses higher level code such as the uITRON compatibility layer." } } define_proc { puts $::cdl_header "/***** proc output start *****/" # Clients of pkgconf/kernel.h expects system.h to be included. puts $::cdl_header "#include " # FIXME: Some clients may rely on hal.h and infra.h being included. # This should go away when any such client has been fixed. puts $::cdl_header "#include " puts $::cdl_header "#include " # Include HAL/Platform specifics puts $::cdl_header "#include CYGBLD_HAL_PLATFORM_H" # Fallback defaults (in case HAL didn't define these) puts $::cdl_header "#ifndef CYGNUM_HAL_RTC_NUMERATOR" puts $::cdl_header "# define CYGNUM_HAL_RTC_NUMERATOR 1000000000" puts $::cdl_header "# define CYGNUM_HAL_RTC_DENOMINATOR 100" puts $::cdl_header "# define CYGNUM_HAL_RTC_PERIOD 9999" puts $::cdl_header "#endif" puts $::cdl_header "/***** proc output end *****/" } cdl_component CYGPKG_KERNEL_OPTIONS { display "Kernel 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_KERNEL_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 kernel. These flags are used in addition to the set of global flags." } cdl_option CYGPKG_KERNEL_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 kernel. These flags are removed from the set of global flags if present." } cdl_option CYGPKG_KERNEL_TESTS { display "Kernel tests" flavor data no_define calculated { "tests/bin_sem0 tests/bin_sem1 tests/bin_sem2 tests/bin_sem3 tests/clock0 tests/clock1 tests/clockcnv tests/clocktruth tests/cnt_sem0 tests/cnt_sem1 tests/except1 tests/flag0 tests/flag1 tests/intr0 tests/kill tests/mbox1 tests/mqueue1 tests/mutex0 tests/mutex1 tests/mutex2 tests/mutex3 tests/release tests/sched1 tests/sync2 tests/sync3 tests/thread0 tests/thread1 tests/thread2" . ((CYGFUN_KERNEL_API_C) ? " tests/kclock0 tests/kclock1 tests/kexcept1 tests/kflag0 tests/kflag1 tests/kintr0 tests/klock tests/kmbox1 tests/kmutex0 tests/kmutex1 tests/kmutex3 tests/kmutex4 tests/ksched1 tests/ksem0 tests/ksem1 tests/kthread0 tests/kthread1 tests/stress_threads tests/thread_gdb tests/timeslice tests/timeslice2 tests/tm_basic tests/fptest tests/kalarm0" : "") . ((!CYGPKG_INFRA_DEBUG && !CYGPKG_KERNEL_INSTRUMENT && CYGFUN_KERNEL_API_C) ? " tests/dhrystone" : "") . ((CYGPKG_KERNEL_SMP_SUPPORT && CYGFUN_KERNEL_API_C) ? " tests/smp" : "") . ((!CYGINT_HAL_TESTS_NO_CACHES && CYGFUN_KERNEL_API_C) ? " tests/kcache1 tests/kcache2" : "") } description " This option specifies the set of tests for the eCos kernel." } } } # EOF kernel.cdl