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| author | danh-arm <dan.handley@arm.com> | 2016-02-22 13:23:49 +0000 |
|---|---|---|
| committer | danh-arm <dan.handley@arm.com> | 2016-02-22 13:23:49 +0000 |
| commit | 9931932bfd3429aa8e98c33a26dfafcdbda71a43 (patch) | |
| tree | 29fe2640dd4e1112e205c4c2caaeb280144a6868 /docs | |
| parent | 094a935de268a560494f6b36b122a50d7c6967fc (diff) | |
| parent | c64a04486ff469a826c01aa563a8988006a712ec (diff) | |
| download | arm-trusted-firmware-9931932bfd3429aa8e98c33a26dfafcdbda71a43.tar.gz | |
Merge pull request #532 from soby-mathew/vk/configure_mmap_macros
Rationalise MMU and Page table related constants on ARM platforms
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/user-guide.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/user-guide.md b/docs/user-guide.md index 70e1abc34..9c17e353c 100644 --- a/docs/user-guide.md +++ b/docs/user-guide.md @@ -481,6 +481,13 @@ 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 CSS platform specific build options * `CSS_DETECT_PRE_1_7_0_SCP`: Boolean flag to detect SCP version |