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# ====================================================================
#
#      hal_mips_rm7000.cdl
#
#      MIPS/RM7000 variant architectural HAL package configuration data
#
# ====================================================================
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## -------------------------------------------
## This file is part of eCos, the Embedded Configurable Operating System.
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      jskov
# Original data:  bartv, nickg
# Contributors:
# Date:           2000-05-15
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_MIPS_RM7000 {
    display       "RM7000 variant"
    parent        CYGPKG_HAL_MIPS
    hardware
    include_dir   cyg/hal
    define_header hal_mips_rm7000.h
    description   "
           The RM7000 architecture HAL package provides generic support
           for this processor architecture. It is also necessary to
           select a specific target platform HAL package."

    cdl_component CYGPKG_HAL_MIPS_RM7000A {
        display       "RM7000A microprocessor"
        default_value 1
        implements    CYGINT_HAL_MIPS_VARIANT
        description "
            The RM7000A microprocessor. This is chip which in addition to
            the RM7000 processor core has built in second level cache
            of 256kB."               

        define_proc {
            # Sizes are configurable (on the core). Should be configurable.
            puts $::cdl_header "#define CYGHWR_HAL_DCACHE_SIZE 16384"
            puts $::cdl_header "#define CYGHWR_HAL_ICACHE_SIZE 16384"
        }

        cdl_option CYGHWR_HAL_MIPS_64BIT {
            display    "Variant 64 bit architecture support"
            description "
                While the RM7000 is a 64bit CPU, only its 32bit mode is
                currently supported in eCos."
            calculated 0
        }

        # This is optional (on the core). Should be configurable.
        cdl_option CYGHWR_HAL_MIPS_FPU {
            display    "Variant FPU support"
            calculated 1
        }

        cdl_interface CYGINT_HAL_MIPS_FPU_64BIT {
            display "Variant 64 bit FPU support interface"
        }

        cdl_option CYGHWR_HAL_MIPS_FPU_64BIT {
            display    "Variant 64 bit FPU support"
            calculated { CYGINT_HAL_MIPS_FPU_64BIT == 1 ? 1 : 0 }
        }

        cdl_option CYGHWR_HAL_MIPS_FPU_32BIT {
            display    "Variant 32 bit FPU support"
            calculated { CYGINT_HAL_MIPS_FPU_64BIT == 0 ? 1 : 0 }
        }

        # FGRn+1 is most significant part of the FGRn&FGRn+1 pair of FPRn/2
        # This is true for BE mips2 mode at least. Not sure about fp64 mode
        cdl_option CYGPKG_HAL_MIPS_DOUBLE_LSBFIRST {
            active_if CYGHWR_HAL_MIPS_FPU_32BIT
            calculated 1
        }

        cdl_interface CYGINT_HAL_MIPS_MSBFIRST {
            no_define
            display    "CPU Variant big-endian interface"
        }

        cdl_option CYGPKG_HAL_MIPS_MSBFIRST {
            display    "CPU Variant big-endian"
            calculated { CYGINT_HAL_MIPS_MSBFIRST == 0 ? 0 : 1 }
        }

        cdl_option CYGPKG_HAL_MIPS_LSBFIRST {
            display    "CPU Variant little-endian"
            calculated { CYGINT_HAL_MIPS_MSBFIRST != 0 ? 0 : 1 }
        }
    }

    define_proc {
        puts $::cdl_header "#include <pkgconf/hal_mips.h>"
    }

    compile       var_misc.c variant.S var_mk_defs.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 {
        <PREFIX>/include/cyg/hal/var_defs.inc : <PACKAGE>/src/var_mk_defs.c
        $(CC) $(CFLAGS) $(INCLUDE_PATH) -Wp,-MD,var_defs.tmp -o var_mk_defs.tmp -S $<
        fgrep .equ var_mk_defs.tmp | sed s/#// > $@
        @echo $@ ": \\" > $(notdir $@).deps
        @tail +2 var_defs.tmp >> $(notdir $@).deps
        @echo >> $(notdir $@).deps
        @rm var_defs.tmp var_mk_defs.tmp
    }

    make {
        <PREFIX>/lib/target.ld: <PACKAGE>/src/mips_rm7000.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 CYGBLD_LINKER_SCRIPT {
        display "Linker script"
        flavor data
        no_define
        calculated  { "src/mips_rm7000.ld" }
    }
}