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| author | Soby Mathew <soby.mathew@arm.com> | 2014-07-16 15:12:21 +0100 |
|---|---|---|
| committer | Soby Mathew <soby.mathew@arm.com> | 2014-08-11 14:45:08 +0100 |
| commit | 27905d0a10ceceeb9a98cfdaee3ceef69bf7b52c (patch) | |
| tree | 385dcfe71c146aa0039e0d0040d97b21a5315d59 /docs | |
| parent | c1efc4c0666b95912b54e079de484d8c2249e045 (diff) | |
Add compilation macro for each BL stage
This patch defines a compile time macro for each boot loader stage
which allows compilation of code only for a specific stage.
Change-Id: I3a4068404cd3dc26d652556ca9ca7afea8dd28ef
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/firmware-design.md | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/firmware-design.md b/docs/firmware-design.md index 3203a52..23cae19 100644 --- a/docs/firmware-design.md +++ b/docs/firmware-design.md @@ -1226,6 +1226,11 @@ categories. Based upon the above, the code layout looks like this: lib Yes Yes Yes services No No Yes +The build system provides a non configurable build option IMAGE_BLx for each +boot loader stage (where x = BL stage). e.g. for BL1 , IMAGE_BL1 will be +defined by the build system. This enables the Trusted Firmware to compile +certain code only for specific boot loader stages + All assembler files have the `.S` extension. The linker source files for each boot stage have the extension `.ld.S`. These are processed by GCC to create the linker scripts which have the extension `.ld`. |