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| author | danh-arm <dan.handley@arm.com> | 2015-10-21 12:12:12 +0100 |
|---|---|---|
| committer | danh-arm <dan.handley@arm.com> | 2015-10-21 12:12:12 +0100 |
| commit | 7b66a0269ef9f1626041c8feabd0e679e18b1b5c (patch) | |
| tree | 6e21b3897af944ff3696cbd5384b74ab13ae72ed /docs/porting-guide.md | |
| parent | 4425448a01665aa16c36d32629934db694344f48 (diff) | |
| parent | e3f6712409c54b03f42869faeff0cf8d8af9245e (diff) | |
Merge pull request #411 from jcastillo-arm/jc/plat_bl1_exit
Jc/plat bl1 exit
Diffstat (limited to 'docs/porting-guide.md')
| -rw-r--r-- | docs/porting-guide.md | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/porting-guide.md b/docs/porting-guide.md index 50d36ea2..c369844c 100644 --- a/docs/porting-guide.md +++ b/docs/porting-guide.md @@ -788,6 +788,17 @@ the entry point set by loader and also set the security state and SPSR which represents the entry point system state for BL2. +### Function : bl1_plat_prepare_exit() [optional] + + Argument : void + Return : void + +This function is called prior to exiting BL1 in response to the `RUN_IMAGE_SMC` +request raised by BL2. It should be used to perform platform specific clean up +or bookkeeping operations before transferring control to the next image. This +function runs with MMU disabled. + + 3.2 Boot Loader Stage 2 (BL2) ----------------------------- |