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Diffstat (limited to 'docs/porting-guide.rst')
| -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 71c7a93aa..dbbd102b1 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] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |