flash_synth.cdl

来自「eCos操作系统源码」· CDL 代码 · 共 131 行

# ====================================================================
#
#      flash_synth.cdl
#
#      FLASH memory - Synthetic flash driver for Synthetic target
#
# ====================================================================
#####ECOSGPLCOPYRIGHTBEGIN####
## -------------------------------------------
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## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      [e-mail]
# Contributors:   jlarmour
# Date:           2000-10-30
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_DEVS_FLASH_SYNTH {
    display       "Synthetic FLASH memory support"

    parent        CYGPKG_IO_FLASH
    active_if	  CYGPKG_IO_FLASH
    requires      CYGINT_ISO_ERRNO_CODES

    implements    CYGHWR_IO_FLASH_DEVICE

    include_dir   .
    include_files ; # none _exported_ whatsoever
    description   "FLASH memory device support for Synthetic target"
    compile       synth.c flash_erase_block.c flash_program_buf.c flash_query.c
	
    cdl_option CYGMEM_FLASH_SYNTH_BASE {
      display       "Base address of flash"
      flavor        booldata
      default_value 0
      description  "
              If enabled, controls where in the synth target memory map the 
              flash is mapped. WARNING: This must be somewhere 
              the host Linux kernel is prepaired to mmap a file. It
              must be page aligned. For hosts with recent x86 Linux kernels,
              a value of 0x40000000 is likely appropriate. When disabled,
              the driver will automatically use whatever address the kernel
              provides it with."
    }

    cdl_option CYGSEM_FLASH_SYNTH_FILE_WRITEBACK {
      display       "FLASH changes modify the underlying file"
      flavor        booldata
      default_value 0
      description  "
              If enabled, changes made to the contents of the emulated
              FLASH are reflected in the underlying file. Otherwise,
              the file will be left unaffected by any changes the program
              makes to FLASH contents."
    }

    cdl_option CYGNUM_FLASH_SYNTH_BLOCKSIZE {
	display        "Size of one block of synth flash"
	flavor	       data
	default_value  65536
        legal_values   4096 to 999999
        requires       { (CYGNUM_FLASH_SYNTH_BLOCKSIZE % 4096) == 0 }
	description    "
	        This controls the size of one block of flash. This is 
		the minimum size that can be erased."
    }		

    cdl_option CYGNUM_FLASH_SYNTH_NUMBLOCKS {
	display        "Number of blocks in the synth flash"
	flavor	       data
	default_value  16
	description    "
	        This controls how many blocks there are in the flash"
    }

    cdl_option CYGDAT_FLASH_SYNTH_FILENAME {
	display        "Name of file emulating synth flash"
	flavor	       data
	default_value  { "\"synth.flash\"" }
	description    "
	        This is the name of the file which holds the contents of
		the flash. It is mmap'ed into memory and written for flash
		program & erase operations. It will be created if it does
                not exist."
    }

    cdl_option CYGPKG_DEVS_FLASH_SYNTH_TESTS {
        display "Synth flash tests"
        flavor  data
        no_define
        calculated { "tests/flash1.c"}
            description   "
                This option specifies the set of tests for the synth flash package."
    }
}

# EOF flash_synth.cdl