hal_mips.cdl

eCos1.31版

# ====================================================================
#
#      hal_mips.cdl
#
#      MIPS architectural HAL package configuration data
#
# ====================================================================
#####COPYRIGHTBEGIN####
#                                                                          
# -------------------------------------------                              
# The contents of this file are subject to the Red Hat eCos Public License 
# Version 1.1 (the "License"); you may not use this file except in         
# compliance with the License.  You may obtain a copy of the License at    
# http://www.redhat.com/                                                   
#                                                                          
# Software distributed under the License is distributed on an "AS IS"      
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
# License for the specific language governing rights and limitations under 
# the License.                                                             
#                                                                          
# The Original Code is eCos - Embedded Configurable Operating System,      
# released September 30, 1998.                                             
#                                                                          
# The Initial Developer of the Original Code is Red Hat.                   
# Portions created by Red Hat are                                          
# Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
# All Rights Reserved.                                                     
# -------------------------------------------                              
#                                                                          
#####COPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      jskov
# Original data:  bartv, nickg
# Contributors:
# Date:           1999-11-02
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_MIPS {
    display "MIPS architecture"
    parent        CYGPKG_HAL
    hardware
    include_dir   cyg/hal
    define_header hal_mips.h
    description   "
        The MIPS architecture HAL package provides generic support
        for this processor architecture. It is also necessary to
        select a CPU variant and a specific target platform HAL
        package."

    cdl_interface CYGINT_HAL_MIPS_VARIANT {
        display  "Number of variant implementations in this configuration"
        requires 1 == CYGINT_HAL_MIPS_VARIANT
    }

    compile       hal_misc.c context.S mips-stub.c mipsfp.c

    make {
        <PREFIX>/lib/vectors.o : <PACKAGE>/src/vectors.S
        $(CC) -Wp,-MD,vectors.tmp $(INCLUDE_PATH) $(CFLAGS) -c -o $@ $<
        @echo $@ ": \\" > $(notdir $@).deps
        @tail +2 vectors.tmp >> $(notdir $@).deps
        @echo >> $(notdir $@).deps
        @rm vectors.tmp
    }

    cdl_option CYGHWR_HAL_MIPS_CPU_FREQ {
        display "CPU frequency"
        flavor  data
        legal_values 0 to 1000000
        default_value 50
        description "
           This option contains the frequency of the CPU in MegaHertz.
           Choose the frequency to match the processor you have. This
           may affect thing like serial device, interval clock and
           memory access speed settings."
    }

    cdl_option CYGDBG_HAL_MIPS_DEBUG_GDB_CTRLC_SUPPORT {
        display "Architecture GDB CTRLC support"
        calculated { CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT || CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT }
        description "
            If either the CTRLC or BREAK support options in hal.h are set
            then set our own option to turn on shared generic support for
            control C handling."
    }

   cdl_option CYGSEM_HAL_MIPS_EMULATE_UNIMPLEMENTED_FPU_OPS {
       display  "Emulate unimplemented FPU opcodes"
       flavor   bool
       default_value 1
       description "
           Enabling this option will include a hook in the exception
           processing so that Unimplemented Operation FPU exceptions
           may be handled. This option has no effect if there is no
           hardware floating-point unit. Note that not all situations
           in which an exception is raised may be handled. If not, the
           exception will be passed on as normal through the standard
           exception delivery mechanism."
   }
}