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| -rw-r--r-- | docs/firmware/fw.md | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/firmware/fw.md b/docs/firmware/fw.md index 913f939..5a67848 100644 --- a/docs/firmware/fw.md +++ b/docs/firmware/fw.md @@ -69,6 +69,12 @@ parameters: argument by the prior booting stage. * **FW_FDT_PADDING** - Optional zero bytes padding to the embedded flattened device tree binary file specified by **FW_FDT_PATH** option. +* **FW_PIC** - "FW_PIC=y" generates position independent executable firmware + images. OpenSBI can run at arbitrary address with appropriate alignment. + Therefore, the original relocation mechanism ("FW_PIC=n") will be skipped. + In other words, OpenSBI will directly run at the load address without any + code movement. This option requires a toolchain with PIE support, and it + is on by default. Additionally, each firmware type as a set of type specific configuration parameters. Detailed information for each firmware type can be found in the |