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Add some SD file paging logic

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2932 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2010-09-08 22:06:38 +00:00
parent ad08a8d4bc
commit 72b94df57b
4 changed files with 181 additions and 11 deletions
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configs/ea3131/pgnsh/defconfig
+23
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@@ -405,6 +405,25 @@ CONFIG_SIG_SIGWORK=4
# page table entry to use for the vector mapping.
# CONFIG_PAGING_VECL2VADDR - This is the virtual address of the L2
# page table entry to use for the vector mapping.
# CONFIG_PAGING_BINPATH - If CONFIG_PAGING_BINPATH is defined, then it
# is the full path to a file on a mounted file system that contains
# a binary image of the NuttX executable. Pages will be filled by
# reading from offsets into this file that correspond to virtual
# fault addresses.
# CONFIG_PAGING_MOUNTPT - If CONFIG_PAGING_BINPATH is defined, additional
# options may be provided to control the initialization of underlying
# devices. CONFIG_PAGING_MOUNTPT identifies the mountpoint to be used
# if a device is mounted.
# CONFIG_PAGING_MINOR - Some mount operations require a "minor" number
# to identify the specific device instance. Default: 0
# CONFIG_PAGING_SDSLOT - If CONFIG_PAGING_BINPATH is defined, additional
# options may be provided to control the initialization of underlying
# devices. CONFIG_PAGING_SDSLOT identifies the slot number of the SD
# device to initialize. This must be undefined if SD is not being used.
# This should be defined to be zero for the typical device that has
# only a single slot (See CONFIG_MMCSD_NSLOTS). If defined,
# CONFIG_PAGING_SDSLOT will instruct certain board-specific logic to
# initialize the media in this SD slot.
#
CONFIG_PAGING=y
CONFIG_PAGING_PAGESIZE=1024
@@ -422,6 +441,10 @@ CONFIG_PAGING_BLOCKINGFILL=y
#CONFIG_PAGING_VECPPAGE
#CONFIG_PAGING_VECL2PADDR
#CONFIG_PAGING_VECL2VADDR
#CONFIG_PAGING_BINPATH="/mnt/pgsrc/nuttx.bin"
CONFIG_PAGING_MOUNTPT="/mnt/pgsrc"
CONFIG_PAGING_MINOR=0
CONFIG_PAGING_SDSLOT=0
#
# The following can be used to disable categories of