hal_i386_pc.cdl

eCos1.31版

# ====================================================================
#
#      hal_i386_pc.cdl
#
#      PC/i386 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_PC {
    display  "i386 PC target"
    parent        CYGPKG_HAL_I386
    define_header hal_i386_pc.h
    include_dir   cyg/hal
    description   "
           The i386 PC Target HAL package provides the 
           support needed to run eCos binaries on an i386 PC."

    compile       hal_diag.c hal_startup.c hal_intr.c var_misc.c plf_misc.c 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_i386.h>"
        puts $::cdl_system_header "#define CYGBLD_HAL_PLATFORM_H <pkgconf/hal_i386_pc.h>"
    }

    cdl_component CYG_HAL_STARTUP {
        display       "Startup type"
        flavor        data
        legal_values  {"RAM" "FLOPPY"}
        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\"."
    }


    # Real-time clock/counter specifics
    cdl_component CYGNUM_HAL_RTC_CONSTANTS {
        display       "Real-time clock constants."
        description   "The RTC period is based
	on the clock input to the 8254, which is 1193180 Hz.  CYGNUM_HAL_RTC_PERIOD
	is set for 100 ticks per second."
        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     11932
        }
    }

    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 { "i386-elf" }
            description "
                This option specifies the command prefix used when
                invoking the build tools. If your host operating system
                is Linux you can set this to empty to use your native tools.
                If so, your native gcc must be 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_option CYGBLD_BUILD_GDB_STUBS {
            display "Build GDB stub loader image"
            default_value 0
            requires { CYG_HAL_STARTUP == "FLOPPY" }
            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
                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" ? "i386_pc_ram" : \
	                                        "i386_pc_floppy" }

        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_i386_pc_ram.ldi>" : \
                                                    "<pkgconf/mlt_i386_pc_floppy.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_i386_pc_ram.h>" : \
                                                    "<pkgconf/mlt_i386_pc_floppy.h>" }
        }
    }


    cdl_option CYGSEM_HAL_I386_PC_STARTUP_RAM {
	display       "Configure for downloaded RAM configuration"
	flavor bool
	no_define
	calculated { CYG_HAL_STARTUP == "RAM" }
	requires !CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
	requires CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
	requires CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
	requires CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
    }


    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 == "FLOPPY" }
	requires      !CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
	requires      !CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
	requires      !CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT
        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."
    }

    cdl_component CYGSEM_HAL_I386_PC_DIAG {
	display "Diagnostic output options"
	flavor  none

	cdl_option CYGSEM_HAL_I386_PC_DIAG_SCREEN {
	    display "Output to PC screen"
	    flavor  bool
	    default_value 0
	    requires !CYGSEM_HAL_I386_PC_DIAG_SERIAL1
	    requires !CYGSEM_HAL_I386_PC_DIAG_SERIAL2
	    description "This option causes any diagnostic output to
	        be sent to the PC monitor screen."
	}

	cdl_option CYGSEM_HAL_I386_PC_DIAG_SERIAL1 {
	    display "Output to serial line 1"
	    flavor  bool
	    default_value 1
	    requires !CYGSEM_HAL_I386_PC_DIAG_SCREEN
	    requires !CYGSEM_HAL_I386_PC_DIAG_SERIAL2
	    description "This option causes any diagnostic output to
	        be sent to serial line 1."
	}

	cdl_option CYGSEM_HAL_I386_PC_DIAG_SERIAL2 {
	    display "Output to serial line 1"
	    flavor  bool
	    default_value 0
	    requires !CYGSEM_HAL_I386_PC_DIAG_SCREEN
	    requires !CYGSEM_HAL_I386_PC_DIAG_SERIAL1
	    description "This option causes any diagnostic output to
	        be sent to serial line 2."
	}
    }
}