hal_powerpc_vads.cdl

开放源码实时操作系统源码.

        cdl_option CYGBLD_GLOBAL_CFLAGS {
            display "Global compiler flags"
            flavor  data
            no_define
            default_value { "-msoft-float -mcpu=603e -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 { "-msoft-float -mcpu=603e -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 ROM image"
            default_value 0
            requires { CYG_HAL_STARTUP == "ROM" }
            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
# We don't support GDB BREAK (yet)
#            requires ! CYGDBG_HAL_DEBUG_GDB_BREAK_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 platform CDL takes care of creating
                an S-Record data file. -- This needs more work"

            make -priority 320 {
                <PREFIX>/bin/gdb_module.bin : <PREFIX>/bin/gdb_module.img
                $(OBJCOPY) -O srec --srec-forceS3 $< $(@:.bin=.s19)
                $(OBJCOPY) -O binary $< $@
#            }
# Changed the .srec extentsion to .txt for ease of downloading with hyperterm
# Changed the .txt extentsion to .s19 for ease of downloading with OCD
        }
    }

    cdl_component CYGPKG_HAL_POWERPC_VADS_OPTIONS {
        display "MPC8260 VADS build options"
        flavor  none
        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_VADS_CFLAGS_ADD {
            display "Additional compiler flags"
            flavor  data
            no_define
            default_value { "" }
            description   "
                This option modifies the set of compiler flags for
                building the VADS HAL. These flags are used in addition
                to the set of global flags."
        }

        cdl_option CYGPKG_HAL_POWERPC_VADS_CFLAGS_REMOVE {
            display "Suppressed compiler flags"
            flavor  data
            no_define
            default_value { "" }
            description   "
                This option modifies the set of compiler flags for
                building the VADS HAL. These flags are removed from
                the set of global flags if present."
        }
    }

    cdl_component CYGHWR_MEMORY_LAYOUT {
        display "Memory layout"
        flavor data
        no_define
        calculated { CYG_HAL_STARTUP == "RAM" ? "powerpc_vads_ram" : \
                                                "powerpc_vads_rom" }

        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_powerpc_vads_ram.ldi>"     : \
			 DCSPRI_HAL_VADS_ROM_MLT == "LOW"  ? "<pkgconf/mlt_powerpc_vads_romlow.ldi>"  : \
			 DCSPRI_HAL_VADS_ROM_MLT == "HIGH" ? "<pkgconf/mlt_powerpc_vads_romhigh.ldi>" : \
							     "<pkgconf/mlt_powerpc_vads_romram.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_powerpc_vads_ram.h>"     : \
			 DCSPRI_HAL_VADS_ROM_MLT == "LOW"  ? "<pkgconf/mlt_powerpc_vads_romlow.h>"  : \
			 DCSPRI_HAL_VADS_ROM_MLT == "HIGH" ? "<pkgconf/mlt_powerpc_vads_romhigh.h>" : \
							     "<pkgconf/mlt_powerpc_vads_romram.h>" }
        }
    }

    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 == "ROM" }
        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_option CYGSEM_HAL_USE_ROM_MONITOR {
        display       "Work with a ROM monitor"
        flavor        bool
        default_value { (CYG_HAL_STARTUP == "RAM" &&
                        !CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS &&
                        !CYGINT_HAL_USE_ROM_MONITOR_UNSUPPORTED &&
                        !CYGSEM_HAL_POWERPC_COPY_VECTORS) ? 1 : 0 }
        parent        CYGPKG_HAL_ROM_MONITOR
        requires      { CYG_HAL_STARTUP == "RAM" }
        requires      ! CYGSEM_HAL_POWERPC_COPY_VECTORS
        requires      ! CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
        requires      ! CYGINT_HAL_USE_ROM_MONITOR_UNSUPPORTED
        description   "
            Allow coexistence with ROM monitor (CygMon or GDB stubs) by
            only initializing interrupt vectors on startup, thus leaving
            exception handling to the ROM monitor."
    }


    # FIXME: the option above should be adjusted to select between monitor
    #        variants
    cdl_option CYGSEM_HAL_USE_ROM_MONITOR_GDB_stubs {
        parent        CYGPKG_HAL_ROM_MONITOR
        display "Bad CDL workaround"
        calculated 1
        active_if CYGSEM_HAL_USE_ROM_MONITOR
    }


    cdl_component CYGPKG_REDBOOT_HAL_OPTIONS {
        display       "Redboot HAL 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."

#            compile -library=libextras.a redboot_cmds.c
    
        cdl_option CYGBLD_BUILD_REDBOOT_BIN {
            display       "Build Redboot ROM binary image"
            active_if     CYGBLD_BUILD_REDBOOT
            default_value 1
            no_define
            description "This option enables the conversion of the Redboot ELF
                         image to a binary image suitable for ROM programming.
			 This needs more work."

            make -priority 325 {
                <PREFIX>/bin/redboot.bin : <PREFIX>/bin/redboot.elf
                $(OBJCOPY) --strip-debug $< $(@:.bin=.img) 
                $(OBJCOPY) -O srec $< $(@:.bin=.srec)
                $(OBJCOPY) -O srec --change-address=0x02040000 $< $(@:.bin=.ppcbug)
                $(OBJCOPY) -O binary $< $@
            }
        }
    }
}