Add configuration ettings for the on-demand paging option
This commit is contained in:
Gregory Nutt
parent
6f3f870d31
commit
972eeae12d
128
arch/Kconfig
128
arch/Kconfig
@ -145,6 +145,134 @@ config ARCH_NAND_HWECC
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bool
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default n
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menuconfig PAGING
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bool "On-demand paging"
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default n
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depends on ARCH_HAVE_MMU && !ARCH_ROMPGTABLE
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---help---
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If set =y in your configation file, this setting will enable the on-demand
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paging feature as described in http://www.nuttx.org/NuttXDemandPaging.html.
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if PAGING
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config PAGING_PAGESIZE
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int "Page size (bytes)"
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default 4096
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---help---
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The size of one managed page. This must be a value supported by the
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processor's memory management unit
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config PAGING_NLOCKED
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int "Number of locked pages"
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default 48
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---help---
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This is the number of locked pages in the memory map.
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config PAGING_CUSTOM_BASE
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bool "Custom paging base address"
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default n
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---help---
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By default, the page begins at RAM_START/VSTART. That base address
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can be changed if this value is selected.
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if PAGING_CUSTOM_BASE
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config PAGING_LOCKED_PBASE
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hex "Physical base address"
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config PAGING_LOCKED_VBASE
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hex "Virtual base address"
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endif # PAGING_CUSTOM_BASE
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config PAGING_NPPAGED
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int "Number of physical pages"
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default 256
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---help---
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This is the number of physical pages available to support the paged
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text region.
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config PAGING_NVPAGED
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int "Number of virtual pages"
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default 1024
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---help---
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This actual size of the virtual paged text region (in pages). This
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is also the number of virtual pages required to span the entire
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paged region. The on-demand paging feature is intended to support
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only the case where the virtual paged text area is much larger the
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available physical pages. Otherwise, why would you enable on-demand paging?
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config PAGING_NDATA
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int "Number of data pages"
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default 256
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---help---
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This is the number of data pages in the memory map. The data region
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will extend to the end of RAM unless overridden by a setting in the
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configuration file.
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NOTE: In some architectures, it may be necessary to take some memory
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from the end of RAM for page tables or other system usage. The
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configuration settings and linker directives must be cognizant of
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that: PAGING_NDATA should be defined to prevent the data region from
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extending all the way to the end of memory.
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config PAGING_DEFPRIO
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int "Page fill worker thread priority"
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default 100
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---help---
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The default, minimum priority of the page fill worker thread. The
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priority of the page fill work thread will be boosted boosted
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dynamically so that it matches the priority of the task on behalf
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of which it performs the fill. This defines the minimum priority
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that will be used. Default: 100.
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config PAGING_STACKSIZE
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int "Page fill worker thread stack size"
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default 1024
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---help---
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Defines the size of the allocated stack for the page fill worker
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thread. Default: 1024.
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config PAGING_BLOCKINGFILL
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bool "Blocking fill"
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default n
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---help---
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The architecture specific up_fillpage() function may be blocking
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or non-blocking. If defined, this setting indicates that the
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up_fillpage() implementation will block until the transfer is
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completed. Default: Undefined (non-blocking).
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config PAGING_WORKPERIOD
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int "Work period (usec)"
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default 500000
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---help---
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The page fill worker thread will wake periodically even if there
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is no mapping to do. This selection controls that wake-up period
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(in microseconds). This wake-up a failsafe that will handle any
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cases where a single is lost (that would really be a bug and
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shouldn't happen!) and also supports timeouts for case of non-
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blocking, asynchronous fills (see CONFIG_PAGING_TIMEOUT_TICKS).
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config PAGING_TIMEOUT
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bool "Paging timeout"
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default n
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---help---
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If defined, the implementation will monitor the (asynchronous) page
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fill logic. If the fill takes longer than than a timeout value,
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then a fatal error will be declared. Default: No timeouts monitored
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config PAGING_TIMEOUT_TICKS
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int "Paging timeout ticks"
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default 10
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depends on PAGING_TIMEOUT
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---help---
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If PAGING_TIMEOUT is defined, then implementation will monitor the
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(asynchronous) page fill logic. If the fill takes longer than this
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number if microseconds, then a fatal error will be declared.
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Default: No timeouts monitored
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endif # PAGING
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config ARCH_IRQPRIO
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bool "Prioritized interrupt support"
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default n
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@ -306,14 +306,6 @@ config ARCH_ROMPGTABLE
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---help---
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Support a fixed memory mapping use a (read-only) page table in ROM/FLASH.
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config PAGING
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bool "On-demand paging"
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default n
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depends on ARCH_HAVE_MMU && !ARCH_ROMPGTABLE
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---help---
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If set =y in your configation file, this setting will enable the on-demand
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paging feature as described in http://www.nuttx.org/NuttXDemandPaging.html.
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config DEBUG_HARDFAULT
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bool "Verbose Hard-Fault Debug"
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default n
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@ -4,4 +4,30 @@
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#
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if ARCH_BOARD_EA3131
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endif
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if PAGING
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config EA3131_PAGING_MINOR
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int "Page device minor number"
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default 0
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config EA3131_PAGING_MOUNTPT
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string "Page device mount point"
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default "/mnt/pgsrc"
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config EA3131_PAGING_BINOFFSET
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int "Volume offset"
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default 0
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config EA3131_PAGING_SDSLOT
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int "SD page device slot number"
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default 0
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depends on MMCSD
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config EA3131_PAGING_SPIPORT
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int "SD SPI port number"
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default 0
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depends on SPI
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endif # PAGING
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endif # ARCH_BOARD_EA3131
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@ -53,7 +53,7 @@
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# include <stdbool.h>
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# include <unistd.h>
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# include <fcntl.h>
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# ifdef CONFIG_PAGING_SDSLOT
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# ifdef CONFIG_EA3131_PAGING_SDSLOT
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# include <stdio.h>
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# include <sys/mount.h>
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# include <nuttx/sdio.h>
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@ -80,14 +80,14 @@
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#ifdef CONFIG_ARCH_BOARD_EA3131
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# define HAVE_SD 1
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# define HAVE_SPINOR 1
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# if defined(CONFIG_PAGING_SDSLOT) && CONFIG_PAGING_SDSLOT != 0
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# if defined(CONFIG_EA3131_PAGING_SDSLOT) && CONFIG_EA3131_PAGING_SDSLOT != 0
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# error "Only one SD slot"
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# undef CONFIG_PAGING_SDSLOT
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# undef CONFIG_EA3131_PAGING_SDSLOT
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# endif
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#else
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/* Add configuration for new LPC31XX boards here */
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# error "Unrecognized LPC31XX board"
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# undef CONFIG_PAGING_SDSLOT
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# undef CONFIG_EA3131_PAGING_SDSLOT
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# undef HAVE_SD
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# undef HAVE_SPINOR
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#endif
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@ -113,9 +113,9 @@
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/* Can't support SD if the board does not support SD (duh) */
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# if defined(CONFIG_PAGING_SDSLOT) && !defined(HAVE_SD)
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# if defined(CONFIG_EA3131_PAGING_SDSLOT) && !defined(HAVE_SD)
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# error "This board does not support SD"
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# undef CONFIG_PAGING_SDSLOT
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# undef CONFIG_EA3131_PAGING_SDSLOT
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# endif
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/* Can't support SD if mountpoints are disabled or if SDIO support
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@ -123,25 +123,25 @@
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*/
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# if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_LPC31_MCI)
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# ifdef CONFIG_PAGING_SDSLOT
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# ifdef CONFIG_EA3131_PAGING_SDSLOT
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# error "Mountpoints and/or MCI disabled"
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# endif
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# undef CONFIG_PAGING_SDSLOT
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# undef CONFIG_EA3131_PAGING_SDSLOT
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# undef HAVE_SD
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# endif
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/* A mountpoint for the FAT file system must be provided */
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# if !defined(CONFIG_PAGING_MOUNTPT) && defined(CONFIG_PAGING_SDSLOT)
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# error "No CONFIG_PAGING_MOUNTPT provided"
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# undef CONFIG_PAGING_SDSLOT
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# if !defined(CONFIG_EA3131_PAGING_MOUNTPT) && defined(CONFIG_EA3131_PAGING_SDSLOT)
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# error "No CONFIG_EA3131_PAGING_MOUNTPT provided"
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# undef CONFIG_EA3131_PAGING_SDSLOT
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# undef HAVE_SD
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# endif
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/* If no minor number is provided, default to zero */
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# ifndef CONFIG_PAGING_MINOR
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# define CONFIG_PAGING_MINOR 0
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# ifndef CONFIG_EA3131_PAGING_MINOR
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# define CONFIG_EA3131_PAGING_MINOR 0
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# endif
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#endif /* CONFIG_PAGING_BINPATH */
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@ -160,14 +160,14 @@
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* of the NuttX binary image.
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*/
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# ifndef CONFIG_PAGING_BINOFFSET
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# define CONFIG_PAGING_BINOFFSET 0
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# ifndef CONFIG_EA3131_PAGING_BINOFFSET
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# define CONFIG_EA3131_PAGING_BINOFFSET 0
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# endif
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/* Make sure that some value is defined for the SPI port number */
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# ifndef CONFIG_PAGING_SPIPORT
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# define CONFIG_PAGING_SPIPORT 0
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# ifndef CONFIG_EA3131_PAGING_SPIPORT
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# define CONFIG_EA3131_PAGING_SPIPORT 0
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# endif
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#endif
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@ -232,7 +232,7 @@ static struct pg_source_s g_pgsrc;
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#if defined(CONFIG_PAGING_BINPATH)
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static inline void lpc31_initsrc(void)
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{
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#ifdef CONFIG_PAGING_SDSLOT
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#ifdef CONFIG_EA3131_PAGING_SDSLOT
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FAR struct sdio_dev_s *sdio;
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int ret;
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#endif
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@ -241,7 +241,7 @@ static inline void lpc31_initsrc(void)
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if (!g_pgsrc.initialized)
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{
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#ifdef CONFIG_PAGING_SDSLOT
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#ifdef CONFIG_EA3131_PAGING_SDSLOT
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char devname[16];
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#endif
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@ -249,16 +249,16 @@ static inline void lpc31_initsrc(void)
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/* No, do we need to mount an SD device? */
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#ifdef CONFIG_PAGING_SDSLOT
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#ifdef CONFIG_EA3131_PAGING_SDSLOT
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/* Yes.. First, get an instance of the SDIO interface */
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sdio = sdio_initialize(CONFIG_PAGING_SDSLOT);
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sdio = sdio_initialize(CONFIG_EA3131_PAGING_SDSLOT);
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DEBUGASSERT(sdio != NULL);
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/* Then bind the SDIO interface to the SD driver */
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ret = mmcsd_slotinitialize(CONFIG_PAGING_MINOR, sdio);
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ret = mmcsd_slotinitialize(CONFIG_EA3131_PAGING_MINOR, sdio);
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DEBUGASSERT(ret == OK);
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/* Then let's guess and say that there is a card in the slot.
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@ -269,11 +269,11 @@ static inline void lpc31_initsrc(void)
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/* Now mount the file system */
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snprintf(devname, 16, "/dev/mmcsd%d", CONFIG_PAGING_MINOR);
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ret = mount(devname, CONFIG_PAGING_MOUNTPT, "vfat", MS_RDONLY, NULL);
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snprintf(devname, 16, "/dev/mmcsd%d", CONFIG_EA3131_PAGING_MINOR);
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ret = mount(devname, CONFIG_EA3131_PAGING_MOUNTPT, "vfat", MS_RDONLY, NULL);
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DEBUGASSERT(ret == OK);
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#endif /* CONFIG_PAGING_SDSLOT */
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#endif /* CONFIG_EA3131_PAGING_SDSLOT */
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/* Open the selected path for read-only access */
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@ -305,7 +305,7 @@ static inline void lpc31_initsrc(void)
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/* First get an instance of the SPI device interface */
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spi = up_spiinitialize(CONFIG_PAGING_SPIPORT);
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spi = up_spiinitialize(CONFIG_EA3131_PAGING_SPIPORT);
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DEBUGASSERT(spi != NULL);
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/* Then bind the SPI interface to the MTD driver */
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@ -329,7 +329,7 @@ static inline void lpc31_initsrc(void)
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DEBUGASSERT(ret >= 0);
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capacity = g_pgsrc.geo.erasesize*g_pgsrc.geo.neraseblocks;
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pgllvdbg("capacity: %d\n", capacity);
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DEBUGASSERT(capacity >= (CONFIG_PAGING_BINOFFSET + PG_TEXT_VSIZE));
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DEBUGASSERT(capacity >= (CONFIG_EA3131_PAGING_BINOFFSET + PG_TEXT_VSIZE));
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#endif
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/* We are now initialized */
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@ -454,7 +454,7 @@ int up_fillpage(FAR struct tcb_s *tcb, FAR void *vpage)
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* virtual address. File offset 0 corresponds to PG_LOCKED_VBASE.
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*/
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offset = (off_t)tcb->xcp.far - PG_LOCKED_VBASE + CONFIG_PAGING_BINOFFSET;
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offset = (off_t)tcb->xcp.far - PG_LOCKED_VBASE + CONFIG_EA3131_PAGING_BINOFFSET;
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/* Read the page at the correct offset into the SPI FLASH device */
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@ -4,4 +4,30 @@
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#
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if ARCH_BOARD_EA3152
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endif
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if PAGING
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config EA3152_PAGING_MINOR
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int "Page device minor number"
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default 0
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config EA3152_PAGING_MOUNTPT
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string "Page device mount point"
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default "/mnt/pgsrc"
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config EA3152_PAGING_BINOFFSET
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int "Volume offset"
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default 0
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config EA3152_PAGING_SDSLOT
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int "SD page device slot number"
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default 0
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depends on MMCSD
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config EA3152_PAGING_SPIPORT
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int "SD SPI port number"
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default 0
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depends on SPI
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endif # PAGING
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endif # ARCH_BOARD_EA3152
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@ -53,7 +53,7 @@
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# include <stdbool.h>
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# include <unistd.h>
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# include <fcntl.h>
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# ifdef CONFIG_PAGING_SDSLOT
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# ifdef CONFIG_EA3152_PAGING_SDSLOT
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# include <stdio.h>
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# include <sys/mount.h>
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# include <nuttx/sdio.h>
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@ -80,14 +80,14 @@
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#ifdef CONFIG_ARCH_BOARD_EA3152
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# define HAVE_SD 1
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# define HAVE_SPINOR 1
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# if defined(CONFIG_PAGING_SDSLOT) && CONFIG_PAGING_SDSLOT != 0
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# if defined(CONFIG_EA3152_PAGING_SDSLOT) && CONFIG_EA3152_PAGING_SDSLOT != 0
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# error "Only one SD slot"
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# undef CONFIG_PAGING_SDSLOT
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# undef CONFIG_EA3152_PAGING_SDSLOT
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# endif
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#else
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/* Add configuration for new LPC31XX boards here */
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# error "Unrecognized LPC31XX board"
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# undef CONFIG_PAGING_SDSLOT
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# undef CONFIG_EA3152_PAGING_SDSLOT
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# undef HAVE_SD
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# undef HAVE_SPINOR
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#endif
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@ -113,9 +113,9 @@
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/* Can't support SD if the board does not support SD (duh) */
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# if defined(CONFIG_PAGING_SDSLOT) && !defined(HAVE_SD)
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# if defined(CONFIG_EA3152_PAGING_SDSLOT) && !defined(HAVE_SD)
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# error "This board does not support SD"
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# undef CONFIG_PAGING_SDSLOT
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# undef CONFIG_EA3152_PAGING_SDSLOT
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# endif
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/* Can't support SD if mountpoints are disabled or if SDIO support
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@ -123,25 +123,25 @@
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*/
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# if defined(CONFIG_DISABLE_MOUNTPOINT) || !defined(CONFIG_LPC31_MCI)
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# ifdef CONFIG_PAGING_SDSLOT
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# ifdef CONFIG_EA3152_PAGING_SDSLOT
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# error "Mountpoints and/or MCI disabled"
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# endif
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# undef CONFIG_PAGING_SDSLOT
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# undef CONFIG_EA3152_PAGING_SDSLOT
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# undef HAVE_SD
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# endif
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/* A mountpoint for the FAT file system must be provided */
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# if !defined(CONFIG_PAGING_MOUNTPT) && defined(CONFIG_PAGING_SDSLOT)
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# error "No CONFIG_PAGING_MOUNTPT provided"
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# undef CONFIG_PAGING_SDSLOT
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# if !defined(CONFIG_EA3152_PAGING_MOUNTPT) && defined(CONFIG_EA3152_PAGING_SDSLOT)
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# error "No CONFIG_EA3152_PAGING_MOUNTPT provided"
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# undef CONFIG_EA3152_PAGING_SDSLOT
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# undef HAVE_SD
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# endif
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/* If no minor number is provided, default to zero */
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# ifndef CONFIG_PAGING_MINOR
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# define CONFIG_PAGING_MINOR 0
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# ifndef CONFIG_EA3152_PAGING_MINOR
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# define CONFIG_EA3152_PAGING_MINOR 0
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# endif
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#endif /* CONFIG_PAGING_BINPATH */
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@ -160,14 +160,14 @@
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* of the NuttX binary image.
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*/
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# ifndef CONFIG_PAGING_BINOFFSET
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# define CONFIG_PAGING_BINOFFSET 0
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# ifndef CONFIG_EA3152_PAGING_BINOFFSET
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# define CONFIG_EA3152_PAGING_BINOFFSET 0
|
||||
# endif
|
||||
|
||||
/* Make sure that some value is defined for the SPI port number */
|
||||
|
||||
# ifndef CONFIG_PAGING_SPIPORT
|
||||
# define CONFIG_PAGING_SPIPORT 0
|
||||
# ifndef CONFIG_EA3152_PAGING_SPIPORT
|
||||
# define CONFIG_EA3152_PAGING_SPIPORT 0
|
||||
# endif
|
||||
#endif
|
||||
|
||||
@ -232,7 +232,7 @@ static struct pg_source_s g_pgsrc;
|
||||
#if defined(CONFIG_PAGING_BINPATH)
|
||||
static inline void lpc31_initsrc(void)
|
||||
{
|
||||
#ifdef CONFIG_PAGING_SDSLOT
|
||||
#ifdef CONFIG_EA3152_PAGING_SDSLOT
|
||||
FAR struct sdio_dev_s *sdio;
|
||||
int ret;
|
||||
#endif
|
||||
@ -241,7 +241,7 @@ static inline void lpc31_initsrc(void)
|
||||
|
||||
if (!g_pgsrc.initialized)
|
||||
{
|
||||
#ifdef CONFIG_PAGING_SDSLOT
|
||||
#ifdef CONFIG_EA3152_PAGING_SDSLOT
|
||||
char devname[16];
|
||||
#endif
|
||||
|
||||
@ -249,16 +249,16 @@ static inline void lpc31_initsrc(void)
|
||||
|
||||
/* No, do we need to mount an SD device? */
|
||||
|
||||
#ifdef CONFIG_PAGING_SDSLOT
|
||||
#ifdef CONFIG_EA3152_PAGING_SDSLOT
|
||||
|
||||
/* Yes.. First, get an instance of the SDIO interface */
|
||||
|
||||
sdio = sdio_initialize(CONFIG_PAGING_SDSLOT);
|
||||
sdio = sdio_initialize(CONFIG_EA3152_PAGING_SDSLOT);
|
||||
DEBUGASSERT(sdio != NULL);
|
||||
|
||||
/* Then bind the SDIO interface to the SD driver */
|
||||
|
||||
ret = mmcsd_slotinitialize(CONFIG_PAGING_MINOR, sdio);
|
||||
ret = mmcsd_slotinitialize(CONFIG_EA3152_PAGING_MINOR, sdio);
|
||||
DEBUGASSERT(ret == OK);
|
||||
|
||||
/* Then let's guess and say that there is a card in the slot.
|
||||
@ -269,11 +269,11 @@ static inline void lpc31_initsrc(void)
|
||||
|
||||
/* Now mount the file system */
|
||||
|
||||
snprintf(devname, 16, "/dev/mmcsd%d", CONFIG_PAGING_MINOR);
|
||||
ret = mount(devname, CONFIG_PAGING_MOUNTPT, "vfat", MS_RDONLY, NULL);
|
||||
snprintf(devname, 16, "/dev/mmcsd%d", CONFIG_EA3152_PAGING_MINOR);
|
||||
ret = mount(devname, CONFIG_EA3152_PAGING_MOUNTPT, "vfat", MS_RDONLY, NULL);
|
||||
DEBUGASSERT(ret == OK);
|
||||
|
||||
#endif /* CONFIG_PAGING_SDSLOT */
|
||||
#endif /* CONFIG_EA3152_PAGING_SDSLOT */
|
||||
|
||||
/* Open the selected path for read-only access */
|
||||
|
||||
@ -305,7 +305,7 @@ static inline void lpc31_initsrc(void)
|
||||
|
||||
/* First get an instance of the SPI device interface */
|
||||
|
||||
spi = up_spiinitialize(CONFIG_PAGING_SPIPORT);
|
||||
spi = up_spiinitialize(CONFIG_EA3152_PAGING_SPIPORT);
|
||||
DEBUGASSERT(spi != NULL);
|
||||
|
||||
/* Then bind the SPI interface to the MTD driver */
|
||||
@ -329,7 +329,7 @@ static inline void lpc31_initsrc(void)
|
||||
DEBUGASSERT(ret >= 0);
|
||||
capacity = g_pgsrc.geo.erasesize*g_pgsrc.geo.neraseblocks;
|
||||
pgllvdbg("capacity: %d\n", capacity);
|
||||
DEBUGASSERT(capacity >= (CONFIG_PAGING_BINOFFSET + PG_TEXT_VSIZE));
|
||||
DEBUGASSERT(capacity >= (CONFIG_EA3152_PAGING_BINOFFSET + PG_TEXT_VSIZE));
|
||||
#endif
|
||||
|
||||
/* We are now initialized */
|
||||
@ -454,7 +454,7 @@ int up_fillpage(FAR struct tcb_s *tcb, FAR void *vpage)
|
||||
* virtual address. File offset 0 corresponds to PG_LOCKED_VBASE.
|
||||
*/
|
||||
|
||||
offset = (off_t)tcb->xcp.far - PG_LOCKED_VBASE + CONFIG_PAGING_BINOFFSET;
|
||||
offset = (off_t)tcb->xcp.far - PG_LOCKED_VBASE + CONFIG_EA3152_PAGING_BINOFFSET;
|
||||
|
||||
/* Read the page at the correct offset into the SPI FLASH device */
|
||||
|
||||
|
||||
@ -118,8 +118,8 @@
|
||||
|
||||
/* CONFIG_PAGING_NPPAGED - This is the number of physical pages available to
|
||||
* support the paged text region.
|
||||
* CONFIG_PAGING_NVPAGED - This actual size of the paged text region (in
|
||||
* pages). This is also the number of virtual pages required to support
|
||||
* CONFIG_PAGING_NVPAGED - This actual size of the virtual paged text region (in
|
||||
* pages). This is also the number of virtual pages required to span
|
||||
* the entire paged region. The on-demand paging feature is intended to
|
||||
* support only the case where the virtual paged text area is much larger
|
||||
* the available physical pages. Otherwise, why would you enable on-demand
|
||||
@ -202,8 +202,8 @@
|
||||
|
||||
/* CONFIG_PAGING_DEFPRIO - The default, minimum priority of the page fill
|
||||
* worker thread. The priority of the page fill work thread will be boosted
|
||||
* boosted dynmically so that it matches the priority of the task on behalf
|
||||
* of which it peforms the fill. This defines the minimum priority that
|
||||
* boosted dynamically so that it matches the priority of the task on behalf
|
||||
* of which it performs the fill. This defines the minimum priority that
|
||||
* will be used. Default: 50.
|
||||
* CONFIG_PAGING_STACKSIZE - Defines the size of the allocated stack
|
||||
* for the page fill worker thread. Default: 1024.
|
||||
|
||||
@ -67,6 +67,7 @@ static const char *dequote_list[] =
|
||||
"CONFIG_EXECFUNCS_SYMTAB", /* Symbol table used by exec[l|v] */
|
||||
"CONFIG_PASS1_BUILDIR", /* Pass1 build directory */
|
||||
"CONFIG_PASS1_TARGET", /* Pass1 build target */
|
||||
"CONFIG_PASS1_OBJECT", /* Pass1 build object */
|
||||
"CONFIG_DEBUG_OPTLEVEL", /* Custom debug level */
|
||||
|
||||
/* NxWidgets/NxWM */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user