redboot.cdl

基于ecos的redboot

# ====================================================================
#
#      redboot.cdl
#
#      Redboot 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, 2001 Red Hat, Inc.                             
# All Rights Reserved.                                                     
# -------------------------------------------                              
#                                                                          
#####COPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      gthomas
# Original data:  gthomas
# Contributors:
# Date:           2000-05-01
#
#####DESCRIPTIONEND####
#
# ====================================================================
cdl_package CYGPKG_REDBOOT {
    display       "Redboot ROM monitor"
    define_header redboot.h
    description   "
           This package supports the Redboot \[stand-alone debug monitor\]
           using eCos as the underlying board support mechanism."

    # Since the CYGDAT_REDBOOT_CONSOLE_DEV setting ends up in the platform
    # HAL header, we need to include that here (via hal.h).
    define_proc {
        puts $::cdl_header "#include <pkgconf/hal.h>"
    }

    cdl_component CYGBLD_BUILD_REDBOOT {
        display "Build Redboot ROM ELF image"
        default_value 0
        requires CYGPKG_INFRA
# Someday the tools will handle this
#        requires { CYGINT_HAL_DEBUG_GDB_STUBS implies CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS }
#        requires { CYGINT_HAL_DEBUG_GDB_STUBS implies CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT }
#
        requires { !CYGINT_HAL_DEBUG_GDB_STUBS || CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS }
        requires { !CYGINT_HAL_DEBUG_GDB_STUBS || CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT }
#
        requires ! CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT
        requires ! CYGDBG_HAL_COMMON_INTERRUPTS_SAVE_MINIMUM_CONTEXT
        requires ! CYGDBG_HAL_COMMON_CONTEXT_SAVE_MINIMUM
        requires CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT

        cdl_option CYGBLD_BUILD_REDBOOT_WITH_THREADS {
            display "Threads debugging support"
            no_define
            description "
              Enabling this option will include special code in the GDB stubs to
              support debugging of threaded programs.  In the case of eCos programs,
              this support allows GDB to have complete access to the eCos threads
              in the program."
            active_if { CYG_HAL_STARTUP != "RAM" }
            requires  CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
        }

        cdl_option CYGDAT_REDBOOT_CUSTOM_VERSION {
            display        "Customized version string"
            flavor         booldata
            default_value  0
            description    "
              Use this option to define a customized version \"string\" for
              RedBoot.  Note: this value is only cosmetic, displayed by the
              \"version\" command, but is useful for providing site specific
              information about the RedBoot configuration."
        }

        no_define
        description "This option enables the building of the Redboot ELF image.
                     The image may require further relocation or symbol
                     stripping before being converted to a binary image.
                     This is handled by a rule in the target CDL."

        compile main.c crc.c
        compile printf.c misc_funs.c io.c parse.c ticks.c xyzModem.c syscall.c
        compile decompress.c
        compile -library=libextras.a load.c 

        make -priority 320 {
            <PREFIX>/bin/redboot.elf : $(PREFIX)/lib/target.ld $(PREFIX)/lib/vectors.o $(PREFIX)/lib/libtarget.a $(PREFIX)/lib/libextras.a
                    @sh -c "mkdir -p $(dir $@)"
                    $(CC) -c $(INCLUDE_PATH) $(CFLAGS) -o $(PREFIX)/lib/version.o $(REPOSITORY)/$(PACKAGE)/src/version.c
                    $(CC) $(LDFLAGS) -L$(PREFIX)/lib -Ttarget.ld -o $@ $(PREFIX)/lib/version.o
        }
    }

    cdl_component CYGPKG_REDBOOT_NETWORKING {
        display       "Redboot Networking"
        flavor        bool
        active_if     CYGPKG_IO_ETH_DRIVERS
        default_value 1
        compile net/bootp.c net/udp.c net/ip.c net/pktbuf.c net/cksum.c
        compile net/enet.c net/icmp.c net/tcp.c net/timers.c net/arp.c
        compile net/tftp_client.c net/net_io.c net/inet_addr.c
        compile -library=libextras.a net/ping.c
        description "This option includes networking support in RedBoot."
        define_proc {
            puts $::cdl_system_header "#define CYGNUM_HAL_VIRTUAL_VECTOR_AUX_CHANNELS 1"
        }

        cdl_option CYGDAT_REDBOOT_DEFAULT_IP_ADDR {
            display          "Default IP address"
            flavor           booldata
            default_value    CYGSEM_REDBOOT_FLASH_CONFIG ? 0 : \
                                { "0, 0, 0, 0" }
            description      "
                This IP address is the default used by RedBoot if a BOOTP/DHCP
                server does not respond. The numbers should be separated by
                *commas*, and not dots. If an IP address is configured into
                the Flash configuration, that will be used in preference."
        }

        cdl_option CYGNUM_REDBOOT_NETWORKING_TCP_PORT {
            display          "TCP port to listen for incoming connections"
            flavor           data
            default_value    9000
            description      "
               RedBoot will 'listen' on this port for incoming TCP connections.
               This allows outside connections to be made to the platform, either
               for GDB or RedBoot commands."
        }

        cdl_option CYGNUM_REDBOOT_NETWORKING_MAX_PKTBUF {
            display          "Number of \[network\] packet buffers"
            flavor           data
            default_value    4
            legal_values     3 to 8
            description      "
               RedBoot may need to buffer network data to support various connections.
               This option allows control over the number of such buffered packets,
               and in turn, controls the amount of memory used by RedBoot (which
               is not available to user applications).  Each packet buffer takes up
               about 1514 bytes.  Note: there is little need to make this larger
               than the default."
        }
    }

    cdl_option CYGPKG_REDBOOT_ANY_CONSOLE {
        display       "Allow RedBoot to use any I/O channel for it's console."
        flavor        bool
        default_value 1
        description   "
          If this option is enabled then RedBoot will attempt to use all
          defined serial I/O channels for it's console device.  Once input
          arrives at one of these channels then the console will use only
          that port."
    }

    cdl_option CYGSEM_REDBOOT_VARIABLE_BAUD_RATE {
        display       "Allow RedBoot to adjust the baud rate on the serial console."
        flavor        bool
        default_value 0
        description   "
          If this option is enabled then RedBoot will support commands to set
          and query the baud rate on the selected console."     
    }

    cdl_option CYGPKG_REDBOOT_MAX_CMD_LINE {
        display       "Maximum command line length"
        flavor        data
        default_value 256
        description   "
          This option allows control over how long the CLI command line
          should be.  This space will be allocated statically
          rather than from RedBoot's stack."
    }

    cdl_option CYGNUM_REDBOOT_CLI_IDLE_TIMEOUT {
        display       "Command processing idle timeout (ms)"
        flavor        data
        default_value 10
        description   "
          This option controls the timeout period before the
          command processing is considered 'idle'.  Making this
          number smaller will cause idle processing to take place
          more often, etc.  The default value of 10ms is a reasonable
          tradeoff between responsiveness and overhead."
    }

    cdl_option CYGNUM_REDBOOT_LOAD_ZLIB_BUFFER {
        display       "Size of zlib decompression buffer"
        active_if     CYGPKG_COMPRESS_ZLIB
        flavor        data
        default_value 64
        legal_values  5 to 256
        description   "
            This is the size of the buffer filled with incoming data
            during load before calls are made to the decompressor
            function. For ethernet downloads this can be made bigger
            (at the cost of memory), but for serial downloads on slow
            processors it may be necessary to reduce the size to
            avoid serial overruns. zlib appears to bail out if less than
            five bytes are available initially so this is the minimum."
    }

    cdl_option CYGSEM_REDBOOT_VALIDATE_USER_RAM_LOADS {
        display       "Validate RAM addresses during load"
        flavor        bool
        default_value 1
        description   "
          This option controls whether or not RedBoot will make sure that
          memory being used by the \"load\" command is in fact in user RAM.
          Leaving the option enabled makes for a safer environment, but this
          check may not be valid on all platforms, thus the ability to
          disable it.  ** Disable this only with great care **"
    }

    cdl_component CYGPKG_REDBOOT_FLASH {
        display       "Allow RedBoot to support FLASH programming"
        flavor        bool
        default_value 1
        active_if     CYGPKG_IO_FLASH
        description   "
          If this option is enabled then RedBoot will provide commands
          to manage images in FLASH memory.  These images can be loaded
          into memory for execution or executed in place."
        compile -library=libextras.a flash.c

        cdl_option CYGBLD_REDBOOT_MIN_IMAGE_SIZE {
            display       "Minimum image size"
            flavor        data
            default_value 0x20000
            description "
              This option controls the minimum length of images kept by
              the FIS.  In particular, it should be large enough to hold
              the RedBoot primary image itself, as well as be a natural
              multiple of the FLASH erase block size."
        }

        cdl_option CYGBLD_REDBOOT_FLASH_BOOT_OFFSET {
            display       "Offset from start of FLASH to RedBoot boot image"
            flavor        data
            default_value CYGNUM_REDBOOT_FLASH_RESERVED_BASE
            requires      { CYGNUM_REDBOOT_FLASH_RESERVED_BASE <= \
                            CYGBLD_REDBOOT_FLASH_BOOT_OFFSET }
            description "
              This option controls where the RedBoot boot image is located
              relative to the start of FLASH."
        }

        cdl_option CYGNUM_REDBOOT_FLASH_RESERVED_BASE {
            display       "Size of reserved area at start of FLASH"
            flavor        data