hal_powerpc_cogent.cdl

eCos1.31版

# ====================================================================
#
#      hal_powerpc_cogent.cdl
#
#      PowerPC/Cogent 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:           1999-11-02
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_POWERPC_COGENT {
    display       "Cogent PowerPC evaluation board"
    parent        CYGPKG_HAL_POWERPC
    requires      CYGPKG_HAL_POWERPC_MPC8xx
    define_header hal_powerpc_cogent.h
    include_dir   cyg/hal
    description   "
        The cogent HAL package provides the support needed to run
        eCos on a Cogent board equipped with a PowerPC processor."

    compile       hal_diag.c hal_aux.c cogent.S plf_stub.c

    implements    CYGINT_HAL_DEBUG_GDB_STUBS
    implements    CYGINT_HAL_DEBUG_GDB_STUBS_BREAK

    define_proc {
        puts $::cdl_system_header "#define CYGBLD_HAL_TARGET_H   <pkgconf/hal_powerpc_mpc8xx.h>"
        puts $::cdl_system_header "#define CYGBLD_HAL_PLATFORM_H <pkgconf/hal_powerpc_cogent.h>"
    }

    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 cogent 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_POWERPC_COGENT_GDB_PORT {
        display          "GDB Serial Port"
        flavor           data
        legal_values     1 0
        default_value    1
        description      "
            The Cogent board has two separate serial ports.  This option
            chooses which of these ports will be used by the GDB stub. 
            On the CMA101 board, 0 and 1 are the P11 and P12
            connectors respectively. On the CMA102 board, 0 and 1 are
            the P2 and P3 connectors respectively."
    }

    cdl_option CYGHWR_HAL_POWERPC_COGENT_DIAG_PORT {
        display          "Diag Serial Port"
        flavor           data
        legal_values     1 0
        default_value    1
        description      "
            The Cogent board has two separate serial ports.  This option
            chooses which of these ports will be used for diag output.
            On the CMA101 board, 0 and 1 are the P11 and P12
            connectors respectively. On the CMA102 board, 0 and 1 are
            the P2 and P3 connectors respectively."
    }

    cdl_option CYGHWR_HAL_POWERPC_BOARD_SPEED {
        display          "Development board clock speed (MHz)"
        flavor           data
        default_value    33.330
        description      "
           MPC8xx development boards have various system clock speeds
           depending on the processor fitted.  Select the clock speed
           appropriate for your board so that the system can set the serial
           baud rate correctly, amongst other things."
    }

    # Real-time clock/counter specifics
    cdl_component CYGNUM_HAL_RTC_CONSTANTS {
        display       "Real-time clock constants."
        description   "
            Period is busclock/16/100."
        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    { (((CYGHWR_HAL_POWERPC_BOARD_SPEED*1000000)/16)/100) }
        }
    }

    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 { "powerpc-eabi" }
            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 { "-msoft-float -mcpu=860 -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 { "-msoft-float -mcpu=860 -g -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_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
                binary data is handled by the platform CDL, allowing
                relocation of the data if necessary."

            make -priority 320 {
                <PREFIX>/bin/gdb_module.bin : <PREFIX>/bin/gdb_module.img
                $(OBJCOPY) -O binary $< $@
            }
        }
    }

    cdl_component CYGHWR_MEMORY_LAYOUT {
        display "Memory layout"
        flavor data
        no_define
        calculated { CYG_HAL_STARTUP == "RAM" ? "powerpc_cogent_ram" : \
                                                "powerpc_cogent_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_powerpc_cogent_ram.ldi>" : \
                                                    "<pkgconf/mlt_powerpc_cogent_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_powerpc_cogent_ram.h>" : \
                                                    "<pkgconf/mlt_powerpc_cogent_rom.h>" }
        }
    }

    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."
    }
}