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

#

#      hal_powerpc.cdl

#

#      PowerPC architectural HAL package configuration data

#

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

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

######DESCRIPTIONBEGIN####

#

# Author(s):      jskov

# Original data:  bartv

# Contributors:

# Date:           1999-11-02

#

#####DESCRIPTIONEND####

#

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

cdl_package CYGPKG_HAL_POWERPC {

    display  "PowerPC architecture"

    parent        CYGPKG_HAL

    hardware

    include_dir   cyg/hal

    define_header hal_powerpc.h

    description   "

        The PowerPC architecture HAL package provides generic

        support for this processor architecture. It is also

        necessary to select a specific target platform HAL

        package."

    cdl_interface CYGINT_HAL_POWERPC_VARIANT {

        display  "Number of variant implementations in this configuration"

        no_define

        requires 1 == CYGINT_HAL_POWERPC_VARIANT

    }

    compile       hal_misc.c context.S ppc_stub.c hal_intr.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 {

        /include/cyg/hal/ppc_offsets.inc : /src/hal_mk_defs.c

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

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

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

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

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

        @rm ppc_offsets.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/powerpc.ld

        $(CC) -E -P -Wp,-MD,target.tmp -DEXTRAS=1 -xc $(INCLUDE_PATH) $(CFLAGS) -o $@ $<

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

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

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

        @rm target.tmp

    }

    cdl_option CYGSEM_HAL_POWERPC_RESET_USES_JUMP {

        display       "RESET vector jumps to startup"

        default_value 0

        description   "

            Some platforms may need this for ROMRAM startup."

    }

    cdl_option CYGSEM_HAL_POWERPC_COPY_VECTORS {

        display       "Copy exception vectors to RAM"

        default_value { (CYG_HAL_STARTUP != "RAM" ||

                         CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS) ? 1 : 0 }

        requires      ! CYGSEM_HAL_USE_ROM_MONITOR

        description   "

            Enable this option to force exception vectors to be copied

            to the vector base on startup. For RAM startup this is normally

            disabled since the vectors would already have been provided

            by the GDB stubs - but it's possible to override, thus taking

            full control of the target. For ROM startup it is desirable to

            enable this option if the vector base is set to RAM since

            accessing vectors in ROM is normally slower. But if memory is

            tight the vectors can be left in ROM."

    }

    cdl_option CYGHWR_HAL_POWERPC_NEED_VECTORS {

        display       "Exception vectors inclusion"

        description   "

            If eCos can rely on the target environment to provide

            eCos compatible vector code, there is no reason to include

            the additional data in application images. This option controls

            the inclusion of the vector code."

        # Platform HALs and startup configuration controls this setting.

        calculated { ((CYGHWR_HAL_POWERPC_FORCE_VECTORS ||

                       CYG_HAL_STARTUP != "RAM" ||

                       CYGSEM_HAL_POWERPC_COPY_VECTORS) &&

                      ! CYGSEM_HAL_USE_ROM_MONITOR)

                      ? 1 : 0 }

    }

    cdl_option CYGHWR_HAL_POWERPC_VECTOR_BASE {

        display       "Exception vectors location"

        description   "

            PowerPC exception vectors can reside either at 0x00000000 or

            0xfff00000. The startup type and platform HAL controls which

            is used."

        flavor        data

        calculated { (! CYGHWR_HAL_POWERPC_FORCE_VECTOR_BASE_LOW &&

                       (CYGHWR_HAL_POWERPC_FORCE_VECTOR_BASE_HIGH ||

                       (CYG_HAL_STARTUP != "RAM" &&

                        ! CYGSEM_HAL_POWERPC_COPY_VECTORS)))

                      ? 0xfff00000 : 0x00000000 }

    }

    cdl_option CYGHWR_HAL_POWERPC_ENABLE_MMU {

        display       "Enable MMU"

        calculated    { !CYGHWR_HAL_POWERPC_DISABLE_MMU }

        description   "

            Some platforms do not want the MMU enabled."

    }

    cdl_option CYGDBG_HAL_POWERPC_FRAME_WALLS {

        display       "Exception stack-frame walls"

        default_value 0

        description   "

            Enable this option to put \"walls\" around the exception

            frames. This can ease analyzing the stack contents when

            debugging."

    }

    cdl_component CYGPKG_HAL_POWERPC_OPTIONS {

        display "PowerPC build options"

        flavor  none

        no_define

        description   "

            Package specific build options including control over

            compiler flags used only in building this package,

            and details of which tests are built."

        cdl_option CYGPKG_HAL_POWERPC_CFLAGS_ADD {

            display "Additional compiler flags"

            flavor  data

            no_define

            default_value { "" }

            description   "

                This option modifies the set of compiler flags for

                building the PowerPC HAL. These flags are used in addition

                to the set of global flags."

        }

        cdl_option CYGPKG_HAL_POWERPC_CFLAGS_REMOVE {

            display "Suppressed compiler flags"

            flavor  data

            no_define

            default_value { "" }

            description   "

                This option modifies the set of compiler flags for

                building the PowerPC HAL. These flags are removed from

                the set of global flags if present."

        }

        cdl_option CYGPKG_HAL_POWERPC_TESTS {

            display "PowerPC tests"

            flavor  data

            no_define

            calculated { "" }

            description   "

                This option specifies the set of tests for the PowerPC HAL."

        }

    }

    cdl_option CYGBLD_LINKER_SCRIPT {

        display "Linker script"

        flavor data

        no_define

        calculated  { "src/powerpc.ld" }

    }

}