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# ====================================================================

#

#      hal_arm.cdl

#

#      ARM architectural HAL package configuration data

#

# ====================================================================

#####ECOSGPLCOPYRIGHTBEGIN####

## -------------------------------------------

## This file is part of eCos, the Embedded Configurable Operating System.

## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

##

## eCos is free software; you can redistribute it and/or modify it under

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## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

## for more details.

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## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

##

## As a special exception, if other files instantiate templates or use macros

## or inline functions from this file, or you compile this file and link it

## with other works to produce a work based on this file, this file does not

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## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

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## -------------------------------------------

#####ECOSGPLCOPYRIGHTEND####

# ====================================================================

######DESCRIPTIONBEGIN####

#

# Author(s):      bartv

# Original data:  gthomas

# Contributors:

# Date:           1999-06-13

#

#####DESCRIPTIONEND####

#

# ====================================================================

cdl_package CYGPKG_HAL_ARM {

    display       "ARM architecture"

    parent        CYGPKG_HAL

    hardware

    include_dir   cyg/hal

    define_header hal_arm.h

    description   "

        The ARM architecture HAL package provides generic

        support for this processor architecture. It is also

        necessary to select a specific target platform HAL

        package."

    compile       hal_misc.c context.S arm_stub.c hal_syscall.c

    # 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 {

        arm.inc : /src/hal_mk_defs.c

        $(CC) $(CFLAGS) $(INCLUDE_PATH) -Wp,-MD,arm.tmp -o hal_mk_defs.tmp -S $<

        fgrep .equ hal_mk_defs.tmp | sed s/#// > $@

        @echo $@ ": \\" > $(notdir $@).deps

        @tail +2 arm.tmp >> $(notdir $@).deps

        @echo >> $(notdir $@).deps

        @rm arm.tmp hal_mk_defs.tmp

    }

    make {

        /lib/vectors.o : /src/vectors.S

        $(CC) -Wp,-MD,vectors.tmp $(INCLUDE_PATH) $(CFLAGS) -c -o $@ $<

        @echo $@ ": \\" > $(notdir $@).deps

        @tail +2 vectors.tmp >> $(notdir $@).deps

        @echo >> $(notdir $@).deps

        @rm vectors.tmp

    }

    make {

        /lib/target.ld: /src/arm.ld

        $(CC) -E -P -Wp,-MD,target.tmp -xc $(INCLUDE_PATH) $(CFLAGS) -o $@ $<

        @echo $@ ": \\" > $(notdir $@).deps

        @tail +2 target.tmp >> $(notdir $@).deps

        @echo >> $(notdir $@).deps

        @rm target.tmp

    }

    cdl_interface CYGINT_HAL_ARM_THUMB_ARCH {

        display "The CPU architecture supports THUMB mode"

    }

    cdl_option CYGHWR_THUMB {

        display          "Enable Thumb instruction set"

        active_if        { CYGINT_HAL_ARM_THUMB_ARCH != 0 }

        default_value    0

        description      "

            Enable use of the Thumb instruction set."

    }

    # Note that when building a ROM monitor we include Thumb

    # interworking in order to support Thumb applications running

    # under a ARM ROM monitor.

    cdl_option CYGBLD_ARM_ENABLE_THUMB_INTERWORK {

        display       "Enable Thumb interworking compiler option"

        active_if        { CYGINT_HAL_ARM_THUMB_ARCH != 0 }

        default_value { (CYGHWR_THUMB || CYGSEM_HAL_ROM_MONITOR) }

        description "

            This option controls the use of -mthumb-interwork in the

            compiler flags. It defaults enabled in Thumb or ROM monitor

            configurations, but can be overridden for reduced memory

            footprint where interworking is not a requirement."

    }

    cdl_interface CYGINT_HAL_ARM_BIGENDIAN {

        display "The platform and architecture supports Big Endian operation"

    }

    cdl_option CYGHWR_HAL_ARM_BIGENDIAN {

        display          "Use big-endian mode"

        active_if        { CYGINT_HAL_ARM_BIGENDIAN != 0 }

        default_value    0

        description      "

            Use the CPU in big-endian mode."

    }

    cdl_interface CYGINT_HAL_ARM_ARCH_ARM7 {

        display "The platform uses a processor with an ARM7 core"

    }

    cdl_interface CYGINT_HAL_ARM_ARCH_ARM9 {

        display "The platform uses a processor with an ARM9 core"

    }

    cdl_interface CYGINT_HAL_ARM_ARCH_STRONGARM {

        display "The platform uses a processor with a StrongARM core"

    }

    cdl_interface CYGINT_HAL_ARM_ARCH_XSCALE {

        display "The platform uses a processor with a XScale core"

    }

    cdl_option CYGHWR_HAL_ARM_CPU_FAMILY {

        display       "ARM CPU family"

        flavor        data

        legal_values  { (CYGINT_HAL_ARM_ARCH_ARM7 != 0) ? "ARM7" : ""

                        (CYGINT_HAL_ARM_ARCH_ARM9 != 0) ? "ARM9" : ""

                        (CYGINT_HAL_ARM_ARCH_STRONGARM != 0) ? "StrongARM" : ""

                        (CYGINT_HAL_ARM_ARCH_XSCALE != 0) ? "XScale" : ""

                        "" }

        default_value  { (CYGINT_HAL_ARM_ARCH_ARM7 != 0) ? "ARM7" :

                         (CYGINT_HAL_ARM_ARCH_ARM9 != 0) ? "ARM9" :

                         (CYGINT_HAL_ARM_ARCH_STRONGARM != 0) ? "StrongARM" :

                         (CYGINT_HAL_ARM_ARCH_XSCALE != 0) ? "XScale" :

                         "unknown" }

        no_define

        description   "

             It is possible to optimize code for different

             ARM CPU families. This option selects which CPU to

             optimize for on boards that support multiple CPU types."

    }

    cdl_option CYGHWR_HAL_ARM_DUMP_EXCEPTIONS {

        display          "Provide diagnostic dump for exceptions"

        requires         !CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS

        default_value    0

        description      "

            Print messages about hardware exceptions, including

            raw exception frame dump and register contents."

    }

    cdl_option CYGIMP_HAL_PROCESS_ALL_EXCEPTIONS {

        display          "Process all exceptions with the eCos application"

        default_value    0

        description      "

           Normal RAM-based programs which do not include GDB stubs

           defer processing of the illegal instruction exception to GDB.

           Setting this options allows the program to explicitly handle

           the illegal instruction exception itself.  Note: this will

           prevent the use of GDB to debug the application as breakpoints

           will no longer work."

    }

    cdl_option CYGHWR_HAL_ARM_ICE_THREAD_SUPPORT {

        display          "Support GDB thread operations via ICE/Multi-ICE"

        default_value    0

        requires         CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS

        requires         CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT

        requires         CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT

        description      "

           Allow GDB to get thread information via the ICE/Multi-ICE

           connection."

    }

    cdl_option CYGOPT_HAL_ARM_SYSCALL_GPROF_SUPPORT {

        display         "Support for 'gprof' callbacks"

        calculated      1

        no_define

        active_if       CYGSEM_REDBOOT_BSP_SYSCALLS

        active_if       { CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT || CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT }

        implements      CYGINT_REDBOOT_BSP_SYSCALLS_GPROF_SUPPORT

        description     "

            The ARM HAL provides the macro for 'gprof' callbacks from RedBoot

            to acquire the interrupt-context PC and SP, when this option is

            active."

    }

    cdl_component CYGPKG_REDBOOT_ARM_OPTIONS {

        display       "Redboot for ARM options"

        flavor        none

        no_define

        parent        CYGPKG_REDBOOT

        active_if     CYGPKG_REDBOOT

        description   "

            This option lists the target's requirements for a valid Redboot

            configuration."

        cdl_component CYGPKG_REDBOOT_ARM_LINUX_EXEC {

            display        "Provide the exec command in RedBoot"

            flavor         none

            parent         CYGPKG_REDBOOT_ARM_OPTIONS

            active_if      CYGBLD_BUILD_REDBOOT_WITH_EXEC

            description    "

                This option contains requirements for booting linux

                from RedBoot. The component is enabled/disabled from

                RedBoots CDL."

            compile -library=libextras.a redboot_linux_exec.c

            cdl_option CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS {

                display       "Physical base address of linux kernel"

                flavor        data

                default_value CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS_DEFAULT

                description   "

                    This is the physical address of the base of the

                    Linux kernel image."

            }

            cdl_option CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS_DEFAULT {

                display       "Default physical base address of linux kernel"

                flavor        data

                default_value 0x00008000

                no_define

                description   "

                    This is the physical address of the base of the

                    Linux kernel image. This option gets set by the

                    platform CDL."

            }

            cdl_option CYGHWR_REDBOOT_ARM_LINUX_TAGS_ADDRESS {

                display       "Base address of linux kernel parameter tags"

                flavor        data

                default_value 0x100

                description   "

                   This is the base address of the area of memory used to

                   pass parameters to the Linux kernel. This should be chosen

                   to avoid overlap with the kernel and any ramdisk image."

            }

        }

    }

    cdl_option CYGBLD_LINKER_SCRIPT {

        display "Linker script"

        flavor data

        no_define

        calculated  { "src/arm.ld" }

    }

    cdl_interface CYGINT_HAL_ARM_MEM_REAL_REGION_TOP {

        display  "Implementations of hal_arm_mem_real_region_top()"

    }

}

# EOF hal_arm.cdl