# ====================================================================
#
#      hal_mips_tx49_ref4955.cdl
#
#      TX49/REF4955 board 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
# Contributors:
# Date:           2000-05-15
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_MIPS_TX49_REF4955 {
    display  "REF4955 evaluation board"
    parent        CYGPKG_HAL_MIPS
    requires      CYGPKG_HAL_MIPS_TX49
    define_header hal_mips_tx49_ref4955.h
    include_dir   cyg/hal
    description   "
           The REF4955 HAL package should be used when targetting the
           actual hardware."

    compile       hal_diag.c platform.S plf_misc.c plf_stub.c pc87338.c

    implements    CYGINT_HAL_DEBUG_GDB_STUBS
    implements    CYGINT_HAL_DEBUG_GDB_STUBS_BREAK
    implements    CYGINT_HAL_VIRTUAL_VECTOR_SUPPORT

    define_proc {
        puts $::cdl_system_header "#define CYGBLD_HAL_TARGET_H   <pkgconf/hal_mips_tx49.h>"
        puts $::cdl_system_header "#define CYGBLD_HAL_PLATFORM_H <pkgconf/hal_mips_tx49_ref4955.h>"

        puts $::cdl_header "#define CYGHWR_HAL_MIPS_WARMSTART_COLDSTART"
    }

    cdl_component CYG_HAL_STARTUP {
        display       "Startup type"
        flavor        data
        legal_values  {"RAM" "ROM"}
        default_value {"RAM"}
	no_define
	define -file system.h CYG_HAL_STARTUP
        description   "
           When targetting the REF4955 board it is possible to build
           the system for either RAM bootstrap or ROM bootstrap. RAM
           bootstrap generally requires that the board
           is equipped with ROMs containing a suitable ROM monitor or
           equivalent software that allows GDB to download the eCos
           application on to the board. The ROM bootstrap typically
           requires that the eCos application be blown into EPROMs or
           equivalent technology."
    }

    cdl_option CYGHWR_HAL_MIPS_TX49_REF4955_ENDIAN {
        display "Board endian mode"
        flavor data
        legal_values {"big" "little"}
        default_value {"big"}
        no_define
        description "
            The TX4955 Reference Platform can be used in either big or
            little endian mode. This option select which. The board
            will also need to be reconfigured if this option changes."
    }
    cdl_option CYGHWR_HAL_MIPS_TX49_REF4955_ENDIAN_SET {
        display "Communicate endian setting to variant HAL"
        active_if {CYGHWR_HAL_MIPS_TX49_REF4955_ENDIAN == "big"}
        calculated 1
        implements CYGINT_HAL_MIPS_MSBFIRST
    }

    cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS {
        display      "Number of communication channels on the board"
        flavor       data
        calculated   2
    }

    cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL {
        display          "Debug serial port"
        flavor data
        legal_values     0 to CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS-1
        default_value    0
        description      "
           The REF4955 board has two separate serial ports.  This option
           chooses which of these ports will be used to connect to a host
           running GDB."
    }

    cdl_option CYGNUM_HAL_VIRTUAL_VECTOR_CONSOLE_CHANNEL {
        display          "Diagnostic serial port"
        flavor data
        legal_values     0 to CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS-1
        default_value    0
        description      "
           The REF4955 board has two separate serial ports.  This option
           chooses which of these ports will be used for diagnostic output."
    }

    # 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/plf_defs.inc : <PACKAGE>/src/plf_mk_defs.c
        $(CC) $(CFLAGS) $(INCLUDE_PATH) -Wp,-MD,plf_defs.tmp -o plf_mk_defs.tmp -S $<
        fgrep .equ plf_mk_defs.tmp | sed s/#// > $@
        @echo $@ ": \\" > $(notdir $@).deps
        @tail +2 plf_defs.tmp >> $(notdir $@).deps
        @echo >> $(notdir $@).deps
        @rm plf_defs.tmp plf_mk_defs.tmp
    }

    # Real-time clock/counter specifics
    cdl_component CYGNUM_HAL_RTC_CONSTANTS {
        display       "Real-time clock constants."
        flavor        none
    
        cdl_option CYGNUM_HAL_RTC_NUMERATOR {
            display       "Real-time clock numerator"
            flavor        data
            calculated    1000000000
        }
        cdl_option CYGNUM_HAL_RTC_DENOMINATOR {
            display       "Real-time clock denominator"
            flavor        data
            calculated    100
        }
        cdl_option CYGNUM_HAL_RTC_PERIOD {
            display       "Real-time clock period"
            flavor        data
            calculated    { 660000 }
            description   "
                The count and compare registers of the TX49 are used
                to drive the eCos kernel RTC. The count register
                increments at 66MHz on the REF4955."
        }
    }

    cdl_component CYGBLD_GLOBAL_OPTIONS {
        display "Global build options"
        flavor  none
        parent  CYGPKG_NONE
        description   "
	    Global build options including control over
	    compiler flags, linker flags and choice of toolchain."


        cdl_option CYGBLD_GLOBAL_COMMAND_PREFIX {
            display "Global command prefix"
            flavor  data
            no_define
            default_value { "mips-tx49-elf" }
            description "
                This option specifies the command prefix used when
                invoking the build tools."
        }

        cdl_option CYGBLD_GLOBAL_CFLAGS {
            display "Global compiler flags"
            flavor  data
            no_define
            default_value { CYGPKG_HAL_MIPS_MSBFIRST ? "-mips2 -EB -mabi=eabi -Wall -Wpointer-arith -Wstrict-prototypes -Winline -Wundef -Woverloaded-virtual -g -O2 -ffunction-sections -fdata-sections -fno-rtti -fno-exceptions -fvtable-gc -finit-priority" : "-mips2 -EL -mabi=eabi -Wall -Wpointer-arith -Wstrict-prototypes -Winline -Wundef -Woverloaded-virtual -g -O2 -ffunction-sections -fdata-sections -fno-rtti -fno-exceptions -fvtable-gc -finit-priority" }
            description   "
                This option controls the global compiler flags which
                are used to compile all packages by
                default. Individual packages may define
                options which override these global flags."
        }

        cdl_option CYGBLD_GLOBAL_LDFLAGS {
            display "Global linker flags"
            flavor  data
            no_define
            default_value { CYGPKG_HAL_MIPS_MSBFIRST ? "-g -mips2 -EB -mabi=eabi -nostdlib -Wl,--gc-sections -Wl,-static" : "-g -mips2 -EL -mabi=eabi -nostdlib -Wl,--gc-sections -Wl,-static" }
            description   "
                This option controls the global linker flags. Individual
                packages may define options which override these global flags."
        }

        cdl_option CYGBLD_BUILD_GDB_STUBS {
            display "Build GDB stub ROM image"
            default_value 0
            requires { CYG_HAL_STARTUP == "ROM" }
            requires CYGSEM_HAL_ROM_MONITOR
            requires CYGBLD_BUILD_COMMON_GDB_STUBS
            requires CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
            requires CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
            requires ! CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT
            requires CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
            requires ! CYGDBG_HAL_COMMON_INTERRUPTS_SAVE_MINIMUM_CONTEXT
            requires ! CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM
            no_define
            description "
                This option enables the building of the GDB stubs for the
                board. The common HAL controls takes care of most of the
                build process, but the final conversion from ELF image to
                SREC data is handled by the platform CDL, allowing
                relocation of the data if necessary."

            make -priority 320 {
                <PREFIX>/bin/gdb_module.srec : <PREFIX>/bin/gdb_module.img
                $(OBJCOPY) --strip-unneeded -O srec $< pre-swap.srec
                $(OBJCOPY) --strip-unneeded --change-addresses 0x40400000 $< be-swap.img
                $(OBJCOPY) -O binary be-swap.img be-swap.bin
                $(REPOSITORY)/$(PACKAGE)/misc/swap4.tcl be-swap.bin be.bin
                $(OBJCOPY) --change-address 0xbfc00000 -I binary -O srec be.bin $@
            }
        }
    }

    cdl_component CYGHWR_MEMORY_LAYOUT {
        display "Memory layout"
        flavor data
        no_define
        calculated { CYG_HAL_STARTUP == "RAM" ? "mips_tx49_ref4955_ram" : \
                                                "mips_tx49_ref4955_rom" }

        cdl_option CYGHWR_MEMORY_LAYOUT_LDI {
            display "Memory layout linker script fragment"
            flavor data
            no_define
            define -file system.h CYGHWR_MEMORY_LAYOUT_LDI
            calculated { CYG_HAL_STARTUP == "RAM" ? "<pkgconf/mlt_mips_tx49_ref4955_ram.ldi>" : \
                                                    "<pkgconf/mlt_mips_tx49_ref4955_rom.ldi>" }
        }

        cdl_option CYGHWR_MEMORY_LAYOUT_H {
            display "Memory layout header file"
            flavor data
            no_define
            define -file system.h CYGHWR_MEMORY_LAYOUT_H
            calculated { CYG_HAL_STARTUP == "RAM" ? "<pkgconf/mlt_mips_tx49_ref4955_ram.h>" : \
                                                    "<pkgconf/mlt_mips_tx49_ref4955_rom.h>" }
        }
    }

    cdl_option CYGSEM_HAL_USE_ROM_MONITOR {
        display       "Work with a ROM monitor"
        flavor        booldata
        legal_values  { "GDB_stubs" }
        default_value { CYG_HAL_STARTUP == "RAM" ? "GDB_stubs" : 0 }
        parent        CYGPKG_HAL_ROM_MONITOR
        requires      { CYG_HAL_STARTUP == "RAM" }
        description   "
            Support can be enabled for GDB stubs.
            This support changes various eCos semantics such as the encoding
            of diagnostic output, or the overriding of hardware interrupt
            vectors.
            \"GDB_stubs\" provides support when GDB stubs are
            included in the ROM monitor or boot ROM, allowing debugging
            via GDB."
    }

    cdl_option CYGSEM_HAL_ROM_MONITOR {
        display       "Behave as a ROM monitor"
        flavor        bool
        default_value 0
        parent        CYGPKG_HAL_ROM_MONITOR
        requires      { CYG_HAL_STARTUP == "ROM" }
        description   "
            Enable this option if this program is to be used as a ROM monitor,
            i.e. applications will be loaded into RAM on the board, and this
            ROM monitor may process exceptions or interrupts generated from the
            application. This enables features such as utilizing a separate
            interrupt stack when exceptions are generated."
    }
}