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Diffstat (limited to 'Documentation/rmodules.md')
| -rw-r--r-- | Documentation/rmodules.md | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/rmodules.md b/Documentation/rmodules.md index 520d184ddc..8a707b8a54 100644 --- a/Documentation/rmodules.md +++ b/Documentation/rmodules.md @@ -15,9 +15,9 @@ done by fixing up all relocation entries in the relocatable module based on the location of the binary (which was returned by CBMEM at runtime). -# Implementation Details +## Implementation Details -## build time +### Build Time At build time the rmodtool (util/cbfstool/rmodtool.c) is used to create relocatable modules. The rmodtool basically takes an ELF @@ -44,7 +44,7 @@ which are all created by the rmodtool. 2. program (.program) 3. relocation entries (.relocs) -## runtime +### Runtime Either rmodule\_load (lib/rmodule.c) is used directly or through the rmodule\_stage\_load (lib/rmodule.c) wrapper. It is used to load the @@ -59,7 +59,7 @@ address pointing to a location that needs relocation. The relocation itself is just a simple addition, that adds an offset from where the image was "supposed" to be at link time, to where it is now relocated. -## module\_parameters +### module\_parameters module\_parameters is a section inside the rmodule ELF file. Its basically a way to pass runtime information to an rmodule @@ -73,7 +73,7 @@ volatile __attribute((aligned(4), __section__(".module_parameters"))) struct smm_runtime smm_runtime; ``` -# x86 why rmodules +## x86 why rmodules //TODO x86: postcar and ramstage cannot conflict with payload regarding memory placement. Therefore payload location is usually fixed and |