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bsps/arm: Add support for small pages MMU

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The small page MMU support reduces the granularity for memory settings
through the MMU from 1MiB sections to 4KiB small pages.

Enable it by default on the realview_pbx_a9_qemu BSP.
This commit is contained in:
Sebastian Huber
2019-10-28 10:15:28 +01:00
parent 3fb72b0f1e
commit f9648baf65
4 changed files with 103 additions and 30 deletions
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c/src/lib/libbsp/arm/realview-pbx-a9/configure.ac
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@@ -43,6 +43,8 @@ RTEMS_BSPOPTS_HELP([CLOCK_DRIVER_USE_ONLY_BOOT_PROCESSOR],
[If defined, then do the clock tick processing on the boot processor on behalf
of all other processors.])
RTEMS_BSPOPTS_SET([ARM_MMU_USE_SMALL_PAGES],[*],[1])
RTEMS_BSPOPTS_HELP([ARM_MMU_USE_SMALL_PAGES],[use MMU with small pages (4KiB)])
RTEMS_BSP_CLEANUP_OPTIONS