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| author | Soby Mathew <soby.mathew@arm.com> | 2018-01-10 12:51:34 +0000 |
|---|---|---|
| committer | Soby Mathew <soby.mathew@arm.com> | 2018-02-26 16:31:11 +0000 |
| commit | 101d01e2a2e34a568fb25c2ef2390fd71183413e (patch) | |
| tree | c7c962e6580d07900ec7130a8568c47009d63511 /docs | |
| parent | 0c306cc062611d71cd79a2cf2b7aac022c741165 (diff) | |
BL1: Deprecate the `bl1_init_bl2_mem_layout()` API
The `bl1_init_bl2_mem_layout()` API is now deprecated. The default weak
implementation of `bl1_plat_handle_post_image_load()` calculates the
BL2 memory layout and populates the same in x1(r1). This ensures
compatibility for the deprecated API.
Change-Id: Id44bdc1f572dc42ee6ceef4036b3a46803689315
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/porting-guide.rst | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/docs/porting-guide.rst b/docs/porting-guide.rst index 71c7a93a..dbbd102b 100644 --- a/docs/porting-guide.rst +++ b/docs/porting-guide.rst @@ -1179,25 +1179,6 @@ its own use. This function helps fulfill requirements 4 and 5 above. -Function : bl1\_init\_bl2\_mem\_layout() [optional] -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -:: - - Argument : meminfo *, meminfo * - Return : void - -BL1 needs to tell the next stage the amount of secure RAM available -for it to use. This information is populated in a ``meminfo`` -structure. - -Depending upon where BL2 has been loaded in secure RAM (determined by -``BL2_BASE``), BL1 calculates the amount of free memory available for BL2 to use. -BL1 also ensures that its data sections resident in secure RAM are not visible -to BL2. An illustration of how this is done in ARM standard platforms is given -in the **Memory layout on ARM development platforms** section in the -`Firmware Design`_. - Function : bl1\_plat\_prepare\_exit() [optional] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |