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Diffstat (limited to 'docs/firmware/fw_dynamic.md')
| -rw-r--r-- | docs/firmware/fw_dynamic.md | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/docs/firmware/fw_dynamic.md b/docs/firmware/fw_dynamic.md index 01f43f9..7b9b192 100644 --- a/docs/firmware/fw_dynamic.md +++ b/docs/firmware/fw_dynamic.md @@ -6,8 +6,9 @@ information about next booting stage (e.g. a bootloader or an OS) and runtime OpenSBI library options from previous booting stage. The previous booting stage will pass information to *FW_DYNAMIC* by creating -*struct fw_dynamic_info* in memory and passing it's address to *FW_DYNAMIC* -via *a2* register of RISC-V CPU. +*struct fw_dynamic_info* in memory and passing its address to *FW_DYNAMIC* +via *a2* register of RISC-V CPU. The address must be aligned to 8 bytes on +RV64 and 4 bytes on RV32. A *FW_DYNAMIC* firmware is particularly useful when the booting stage executed prior to OpenSBI firmware is capable of loading both the OpenSBI firmware and |