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| author | Simon Glass <sjg@chromium.org> | 2019-07-21 05:51:17 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-08-02 18:19:14 +0300 |
| commit | 88fa4beb631c5329bf616554f7d2714ece7a5f0b (patch) | |
| tree | 845ded2b808a0c57184b45d83035487aa8dbc60c /common | |
| parent | e8c780560ad2a3104c0cbfbb61f0ac229881599d (diff) | |
| download | u-boot-88fa4beb631c5329bf616554f7d2714ece7a5f0b.tar.xz | |
autoboot: Improve docs for CONFIG_AUTOBOOT_ENCRYPTION
This option is not documented properly at present. Fix it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common')
| -rw-r--r-- | common/autoboot.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/common/autoboot.c b/common/autoboot.c index 5a0dac8d79..f832808b71 100644 --- a/common/autoboot.c +++ b/common/autoboot.c @@ -54,6 +54,14 @@ static int slow_equals(u8 *a, u8 *b, int len) return diff == 0; } +/** + * passwd_abort_sha256() - check for a hashed key sequence to abort booting + * + * This checks for the user entering a SHA256 hash within a given time. + * + * @etime: Timeout value ticks (stop when get_ticks() reachs this) + * @return 0 if autoboot should continue, 1 if it should stop + */ static int passwd_abort_sha256(uint64_t etime) { const char *sha_env_str = env_get("bootstopkeysha256"); @@ -106,6 +114,14 @@ static int passwd_abort_sha256(uint64_t etime) return abort; } +/** + * passwd_abort_key() - check for a key sequence to aborted booting + * + * This checks for the user entering a string within a given time. + * + * @etime: Timeout value ticks (stop when get_ticks() reachs this) + * @return 0 if autoboot should continue, 1 if it should stop + */ static int passwd_abort_key(uint64_t etime) { int abort = 0; |