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authordanh-arm <dan.handley@arm.com>2016-07-28 09:23:10 +0100
committerGitHub <noreply@github.com>2016-07-28 09:23:10 +0100
commit405f42f9cb28ce3157471696ca3bf272857007ae (patch)
treec9869ad32b9685d183399e7ec5b8361c742dab2a /docs
parent422a40d9c6be03ed3508f0dd17a04227abcb70ce (diff)
parent0289970d6c63fda397c49716042fb55de52ad55c (diff)
Merge pull request #671 from antonio-nino-diaz-arm/an/unoptimised-mem
ARM platforms: Define common image sizes
Diffstat (limited to 'docs')
-rw-r--r--docs/user-guide.md13
1 files changed, 7 insertions, 6 deletions
diff --git a/docs/user-guide.md b/docs/user-guide.md
index 41a272fa..c9312f2c 100644
--- a/docs/user-guide.md
+++ b/docs/user-guide.md
@@ -465,12 +465,13 @@ map is explained in the [Firmware Design].
match the frame used by the Non-Secure image (normally the Linux kernel).
Default is true (access to the frame is allowed).
-* `ARM_BOARD_OPTIMISE_MMAP`: Boolean option to enable or disable optimisation
- of page table and MMU related macros `PLAT_ARM_MMAP_ENTRIES` and
- `MAX_XLAT_TABLES`. By default this flag is 0, which means it uses the
- default unoptimised values for these macros. ARM development platforms
- that wish to optimise memory usage for page tables need to set this flag to 1
- and must override the related macros.
+* `ARM_BOARD_OPTIMISE_MEM`: Boolean option to enable or disable optimisation
+ of the memory reserved for each image. This affects the maximum size of each
+ BL image as well as the number of allocated memory regions and translation
+ tables. By default this flag is 0, which means it uses the default
+ unoptimised values for these macros. ARM development platforms that wish to
+ optimise memory usage need to set this flag to 1 and must override the
+ related macros.
* 'ARM_BL31_IN_DRAM': Boolean option to select loading of BL31 in TZC secured
DRAM. By default, BL31 is in the secure SRAM. Set this flag to 1 to load