hal_sh.cdl

eCos1.31版

# ====================================================================
#
#      hal_sh.cdl
#
#      SH 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:  jskov
# Contributors:
# Date:           1999-10-29
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_SH {
    display       "SH architecture"
    parent        CYGPKG_HAL
    hardware
    include_dir   cyg/hal
    define_header hal_sh.h
    description   "
        The SH (SuperH) architecture HAL package provides generic
        support for this processor architecture. It is also
        necessary to select a specific target platform HAL
        package."

    compile       hal_misc.c context.S sh_stub.c

    # The "-o file" is a workaround for CR100958 - without it the
    # output file would end up in the source directory under CygWin.
    # n.b. grep does not behave itself under win32
    make -priority 1 {
        <PREFIX>/include/cyg/hal/sh_offsets.inc : <PACKAGE>/src/hal_mk_defs.c
        $(CC) $(CFLAGS) $(INCLUDE_PATH) -Wp,-MD,sh_offsets.tmp -o hal_mk_defs.tmp -S $<
        fgrep .equ hal_mk_defs.tmp | sed s/#// > $@
        @echo $@ ": \\" > $(notdir $@).deps
        @tail +2 sh_offsets.tmp >> $(notdir $@).deps
        @echo >> $(notdir $@).deps
        @rm sh_offsets.tmp hal_mk_defs.tmp
    }

    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
    }

    make {
        <PREFIX>/lib/target.ld: <PACKAGE>/src/sh.ld
        $(CC) -E -P -Wp,-MD,target.tmp -DEXTRAS=1 -xc $(INCLUDE_PATH) $(CFLAGS) -o $@ $<
        @echo $@ ": \\" > $(notdir $@).deps
        @tail +2 target.tmp >> $(notdir $@).deps
        @echo >> $(notdir $@).deps
        @rm target.tmp
    }

    cdl_option CYGHWR_HAL_SH_BIGENDIAN {
        display          "Use big-endian mode"
        default_value    1
        description      "
            Use the CPU in big-endian mode."
    }

    cdl_option CYGHWR_HAL_SH_HANDLE_SPURIOUS_INTERRUPTS {
        display          "Handle spurious interrupts"
        default_value    0
        description      "
            The SH3 may generate spurious interrupts with INTEVT = 0
            when changing the BL bit of the status register. Enabling
            this option will cause such interrupts to be identified
            very early in the interrupt handler and be ignored.  Given
            that the SH HAL uses the I-mask to control interrupts,
            these spurious interrupts should not occur, and so there
            should be no reason to include the special handling code."
       }

    cdl_option CYGBLD_LINKER_SCRIPT {
        display "Linker script"
        flavor data
	no_define
        calculated  { "src/sh.ld" }
    }
}