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Diffstat (limited to 'docs/porting-guide.md')
| -rw-r--r-- | docs/porting-guide.md | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/docs/porting-guide.md b/docs/porting-guide.md index 57f2c40d..a74966c3 100644 --- a/docs/porting-guide.md +++ b/docs/porting-guide.md @@ -443,7 +443,19 @@ constant must also be defined: * **#define : ADDR_SPACE_SIZE** Defines the total size of the address space in bytes. For example, for a 32 - bit address space, this value should be `(1ull << 32)`. + bit address space, this value should be `(1ull << 32)`. This definition is + now deprecated, platforms should use `PLAT_PHY_ADDR_SPACE_SIZE` and + `PLAT_VIRT_ADDR_SPACE_SIZE` instead. + +* **#define : PLAT_VIRT_ADDR_SPACE_SIZE** + + Defines the total size of the virtual address space in bytes. For example, + for a 32 bit virtual address space, this value should be `(1ull << 32)`. + +* **#define : PLAT_PHY_ADDR_SPACE_SIZE** + + Defines the total size of the physical address space in bytes. For example, + for a 32 bit physical address space, this value should be `(1ull << 32)`. If the platform port uses the IO storage framework, the following constants must also be defined: |