hal_mips_mips32.cdl

来自「eCos操作系统源码」· CDL 代码 · 共 177 行

# ====================================================================
#
#      hal_mips_mips32.cdl
#
#      MIPS 32/64 variant architectural HAL package configuration data
#
# ====================================================================
#####ECOSGPLCOPYRIGHTBEGIN####
## -------------------------------------------
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# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      dmoseley
# Original data:  bartv, nickg, [e-mail]
# Contributors:
# Date:           2000-06-07
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_HAL_MIPS_MIPS32 {
    display       "MIPS32 variant"
    parent        CYGPKG_HAL_MIPS
    hardware
    include_dir   cyg/hal
    description   "
           The MIPS32 architecture HAL package provides generic support
           for this processor architecture. It is also necessary to
           select a specific target platform HAL package."

    cdl_option CYGHWR_HAL_MIPS_MIPS32_CORE {
        display       "Mips32 processor core used"
        flavor        data
        default_value {"4Kc"}
        legal_values  {"4Kc" "4Kp" "4Km"}
        description   "
            The MIPS 32 cores come in (at least) 3 flavors.  The main
            differences being in the MMU"
    }

    implements    CYGINT_HAL_MIPS_VARIANT

    cdl_option CYGHWR_HAL_MIPS_FPU {
        display    "Variant FPU support"
        calculated 0
    }
    
   cdl_option CYGHWR_HAL_MIPS_MIPS32_ENDIAN {
        display       "Endian format to use"
        flavor        data
        default_value {"Little" }
        legal_values  {"Little" "Big" }
        description   "
            The MIPS 32 can use either a big or little endian format.
            This allows the flexibility to choose which format to use
	    to create a HAL."
    }

    cdl_option CYGPKG_HAL_MIPS_LSBFIRST {
        display    "CPU Variant little-endian"
        calculated {   CYGHWR_HAL_MIPS_MIPS32_ENDIAN == "Little"}
    }


    cdl_option CYGPKG_HAL_MIPS_MSBFIRST {
        display    "CPU Variant big-endian"
        calculated {   CYGHWR_HAL_MIPS_MIPS32_ENDIAN == "Big"}
    }

    cdl_option CYGPKG_HAL_MIPS_GDB_REPORT_CP0 {
	display "Report contents of CP0 to GDB"
	calculated 0
    }
    
    define_proc {
        puts $::cdl_header "#include <pkgconf/hal_mips.h>"
    }

    compile       var_misc.c variant.S

    make {
        <PREFIX>/lib/target.ld: <PACKAGE>/src/mips_mips32.ld
        $(CC) -E -P -Wp,-MD,target.tmp -DEXTRAS=1 -xc $(INCLUDE_PATH) $(CFLAGS) -o $@ $<
        @echo $@ ": \\" > $(notdir $@).deps
        @tail -n +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_mips32.ld" }
    }


    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 { "mipsisa32-elf" }
            description "
                This option specifies the command prefix used when
                invoking the build tools."
        }

        cdl_option CYGBLD_GLOBAL_CFLAGS {
            display "Global compiler flags"
            flavor  data
            no_define
            default_value { CYGPKG_HAL_MIPS_LSBFIRST ? "-mips32 -EL -msoft-float -Wall -Wpointer-arith -Wstrict-prototypes -Winline -Wundef -Woverloaded-virtual -g -O2 -ffunction-sections -fdata-sections -fno-rtti -fno-exceptions -fvtable-gc -finit-priority -G0" : \
			       "-mips32 -EB -msoft-float -Wall -Wpointer-arith -Wstrict-prototypes -Winline -Wundef -Woverloaded-virtual -g -O2 -ffunction-sections -fdata-sections -fno-rtti -fno-exceptions -fvtable-gc -finit-priority -G0"  }
            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 {CYGPKG_HAL_MIPS_LSBFIRST ? "-EL -msoft-float -g -nostdlib -Wl,--gc-sections -Wl,-static" :\
			    "-msoft-float -EB -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."
        }

    }
    
}

# EOF hal_mips_mips32.cdl