hal_i386_linux.cdl

eCos1.31版

# ====================================================================
#
#      hal_i386_linux.cdl
#
#      Linux/i386 synthetic target 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:           1999-11-01
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_I386_LINUX {
    display  "Linux/i386 synthetic target"
    parent        CYGPKG_HAL_I386
    define_header hal_i386_linux.h
    include_dir   cyg/hal
    description   "
        The Linux/i386 Synthetic Target HAL package provides the 
        support needed to run eCos binaries on top of the i386
        Linux kernel."

    compile       hal_diag.c hal_startup.c syscall-i386-linux-1.0.S entry.c
    compile       linux.S linux_misc.c

    define_proc {
        puts $::cdl_system_header "#define CYGBLD_HAL_TARGET_H   <pkgconf/hal_i386.h>"
        puts $::cdl_system_header "#define CYGBLD_HAL_PLATFORM_H <pkgconf/hal_i386_linux.h>"
    }

    cdl_component CYG_HAL_STARTUP {
        display       "Startup type"
        flavor        data
        legal_values  {"RAM"}
        default_value {"RAM"}
	no_define
	define -file system.h CYG_HAL_STARTUP
        description   "
            At the moment only RAM startup is supported. This should
            be extended to include ROM startup which would be used to
            test early initialization code copying data/code to \"RAM\"."
    }

    cdl_option CYGSEM_HAL_I386_LINUX_REAL_TIME {
        display          "Use Linux real-time timer"
        default_value    1
        description      "
            Using the real-time timer to drive the eCos RTC allows the
            eCos idle loop to call select(2) and thus not put any load
            on the host machine.
            Deselecting this option means the virtual timer will be used
            instead. This may prevent (to some degree) time skew in the
            eCos kernel, especially if the host machine has a high load."
   }

    # Real-time clock/counter specifics
    cdl_component CYGNUM_HAL_RTC_CONSTANTS {
        display       "Real-time clock constants."
        description   "
            These values are used in the usec field of the itimerval structure
            when using getitimer/setitimer."
        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     10000
        }
    }

    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 { "i686-pc-linux-gnu" }
            description "
                This option specifies the command prefix used when
                invoking the build tools. You must be using gcc-2.95.2 or
                later, and \"ld -v\" must report a version more recent than
                2.9.1."
        }

        cdl_option CYGBLD_GLOBAL_CFLAGS {
            display "Global compiler flags"
            flavor  data
            no_define
            default_value { "-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 { "-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_component CYGHWR_MEMORY_LAYOUT {
        display "Memory layout"
        flavor data
        no_define
        calculated { "mlt_i386_linux_ram" }

        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 { "<pkgconf/mlt_i386_linux_ram.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 { "<pkgconf/mlt_i386_linux_ram.h>" }
        }
    }
}