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| author | danh-arm <dan.handley@arm.com> | 2016-07-28 09:23:10 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-07-28 09:23:10 +0100 |
| commit | 405f42f9cb28ce3157471696ca3bf272857007ae (patch) | |
| tree | c9869ad32b9685d183399e7ec5b8361c742dab2a /docs | |
| parent | 422a40d9c6be03ed3508f0dd17a04227abcb70ce (diff) | |
| parent | 0289970d6c63fda397c49716042fb55de52ad55c (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.md | 13 |
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 |