hal_arm_arm9_at91rm9200.cdl

ecos在9200上redboot实现

             The AT91RM9200 boards have two serial ports.  This option
             chooses which port will be used for diagnostic output."
     }

    cdl_component CYGBLD_GLOBAL_OPTIONS {
        display "Global build options"
        flavor  none
        no_define
        description   "
            Global build options including control over
            compiler flags, linker flags and choice of toolchain."

        parent  CYGPKG_NONE

        cdl_option CYGBLD_GLOBAL_COMMAND_PREFIX {
            display "Global command prefix"
            flavor  data
            no_define
            default_value { "arm-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 { "-mcpu=arm9 -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 { "--no-target-default-spec -Wl,--gc-sections -Wl,-static -g -O2 -nostdlib" }
            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
            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 final conversion from ELF image to
                binary data is handled by the platform CDL, allowing
                relocation of the data if necessary."

            make -priority 320 {
                <PREFIX>/bin/gdb_module.bin : <PREFIX>/bin/gdb_module.img
                $(OBJCOPY) -O binary $< $@
            }
        }
   }


    cdl_component CYGPKG_HAL_ARM_ARM9_AT91RM9200_OPTIONS {
        display "ARM9/AT91RM9200 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_ARM_ARM9_AT91RM9200_CFLAGS_ADD {
            display "Additional compiler flags"
            flavor  data
            no_define
            default_value { "" }
            description   "
                This option modifies the set of compiler flags for
                building the ARM9 AT91RM9200 HAL. These flags are used in addition
                to the set of global flags."
        }

        cdl_option CYGPKG_HAL_ARM_ARM9_AT91RM9200_CFLAGS_REMOVE {
            display "Suppressed compiler flags"
            flavor  data
            no_define
            default_value { "" }
            description   "
                This option modifies the set of compiler flags for
                building the ARM9 AT91RM9200 HAL. These flags are removed from
                the set of global flags if present."
        }

        cdl_option CYGPKG_HAL_ARM_ARM9_AT91RM9200_TESTS {
            display "ARM9/AT91RM9200 tests"
            flavor  data
            no_define
            calculated { "" }
            description   "
                This option specifies the set of tests for the ARM9/AT91RM9200 HAL."
        }
    }

    cdl_component CYGHWR_MEMORY_LAYOUT {
        display "Memory layout"
        flavor data
        no_define
        calculated { CYG_HAL_STARTUP == "RAM" ? "arm_arm9_at91rm9200_ram" : \
                     CYG_HAL_STARTUP == "ROM" ? "arm_arm9_at91rm9200_rom" : \
                                                "arm_arm9_at91rm9200_romram" }

        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_arm_arm9_at91rm9200_ram.ldi>" :  \
                        CYG_HAL_STARTUP == "ROM" ? "<pkgconf/mlt_arm_arm9_at91rm9200_rom.ldi>" : \
                                                   "<pkgconf/mlt_arm_arm9_at91rm9200_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_arm_arm9_at91rm9200_ram.h>" :  \
                         CYG_HAL_STARTUP == "ROM" ? "<pkgconf/mlt_arm_arm9_at91rm9200_rom.h>" : \
                                                    "<pkgconf/mlt_arm_arm9_at91rm9200_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") || (CYG_HAL_STARTUP == "ROMRAM") }
        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        booldata
         legal_values  { "GDB_stubs" }
         default_value { CYG_HAL_STARTUP == "RAM" ? "GDB_stubs" : 0 }
         parent        CYGPKG_HAL_ROM_MONITOR
         requires      { CYG_HAL_STARTUP == "RAM" }
         description   "
             Support can be enabled for different varieties of ROM monitor.
             This support changes various eCos semantics such as the encoding
             of diagnostic output, or the overriding of hardware interrupt
             vectors.
             \"GDB_stubs\" provides support when GDB stubs are included in
             the ROM monitor or boot ROM."
     }

    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."

        # The backup image is not needed, since ROMRAM is the normal
        # RedBoot startup type.
        requires {!CYGPKG_REDBOOT_FLASH || CYGOPT_REDBOOT_FIS_REDBOOT_BACKUP == 0}

        # RedBoot details
        requires { CYGPKG_REDBOOT_ARM_LINUX_EXEC }
        requires { CYGHWR_REDBOOT_ARM_LINUX_EXEC_ADDRESS_DEFAULT == 0x00008000 }
        define_proc {
            puts $::cdl_header "#define CYGHWR_REDBOOT_ARM_TRAMPOLINE_ADDRESS 0x00001f00"
        }

        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."

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

}