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Diffstat (limited to 'docs/porting-guide.md')
| -rw-r--r-- | docs/porting-guide.md | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/docs/porting-guide.md b/docs/porting-guide.md index 721ba1b..c66279c 100644 --- a/docs/porting-guide.md +++ b/docs/porting-guide.md @@ -191,9 +191,36 @@ constants defined. In the ARM FVP port, this file is found in image. Must be aligned on a page-size boundary. * **#define : NS_IMAGE_OFFSET** + Defines the base address in non-secure DRAM where BL2 loads the BL3-3 binary image. Must be aligned on a page-size boundary. +If the BL3-2 image is supported by the platform, the following constants must +be defined as well: + +* **#define : TSP_SEC_MEM_BASE** + + Defines the base address of the secure memory used by the BL3-2 image on the + platform. + +* **#define : TSP_SEC_MEM_SIZE** + + Defines the size of the secure memory used by the BL3-2 image on the + platform. + +* **#define : BL32_BASE** + + Defines the base address in secure memory where BL2 loads the BL3-2 binary + image. Must be inside the secure memory identified by `TSP_SEC_MEM_BASE` and + `TSP_SEC_MEM_SIZE` constants. Must also be aligned on a page-size boundary. + +* **#define : BL32_LIMIT** + + Defines the maximum address that the BL3-2 image can occupy. Must be inside + the secure memory identified by `TSP_SEC_MEM_BASE` and `TSP_SEC_MEM_SIZE` + constants. + + ### File : platform_macros.S [mandatory] Each platform must export a file of this name with the following |