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| author | Simon Glass <sjg@chromium.org> | 2021-12-29 11:57:48 -0700 |
|---|---|---|
| committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2021-12-31 06:59:37 +0100 |
| commit | cf376037e232869fd86cf2658bdf297fbe004055 (patch) | |
| tree | b7402ae601bc400019c6fe43a5ba0fac6270fd32 | |
| parent | bc53a35ac526c575a91c12af21f7106d54f7a496 (diff) | |
| download | u-boot-cf376037e232869fd86cf2658bdf297fbe004055.zip u-boot-cf376037e232869fd86cf2658bdf297fbe004055.tar.gz u-boot-cf376037e232869fd86cf2658bdf297fbe004055.tar.bz2 | |
efi: Mention that efi_info_get() is only used in the stub
This provides access to EFI tables after U-Boot has exited boot services.
It is not needed in the app since boot services remain alive and we can
just call them whenever needed.
Add a comment to explain this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
| -rw-r--r-- | include/efi.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/efi.h b/include/efi.h index 8c3f332..877a2e5 100644 --- a/include/efi.h +++ b/include/efi.h @@ -566,6 +566,10 @@ void efi_putc(struct efi_priv *priv, const char ch); /** * efi_info_get() - get an entry from an EFI table * + * This function is called from U-Boot proper to read information set up by the + * EFI stub. It can only be used when running from the EFI stub, not when U-Boot + * is running as an app. + * * @type: Entry type to search for * @datap: Returns pointer to entry data * @sizep: Returns pointer to entry size |