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| author | Ion Agorria <ion@agorria.com> | 2024-01-05 09:22:11 +0200 |
|---|---|---|
| committer | Mattijs Korpershoek <mkorpershoek@baylibre.com> | 2024-01-09 14:58:33 +0100 |
| commit | 16f79dd4cd624de0ee336dfeeac6db954f99ae68 (patch) | |
| tree | f63ff061a3705dd97805a1aa1aac9487bc569750 /drivers/fastboot | |
| parent | e58bafc35fe37491bb3546299593dcc054145adb (diff) | |
| download | u-boot-16f79dd4cd624de0ee336dfeeac6db954f99ae68.tar.gz u-boot-16f79dd4cd624de0ee336dfeeac6db954f99ae68.tar.bz2 u-boot-16f79dd4cd624de0ee336dfeeac6db954f99ae68.zip | |
fastboot: add oem console command support
"oem console" serves to read console record buffer.
Signed-off-by: Ion Agorria <ion@agorria.com>
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/20240105072212.6615-7-clamor95@gmail.com
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Diffstat (limited to 'drivers/fastboot')
| -rw-r--r-- | drivers/fastboot/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/fastboot/fb_command.c | 39 |
2 files changed, 46 insertions, 0 deletions
diff --git a/drivers/fastboot/Kconfig b/drivers/fastboot/Kconfig index 11fc0fe1c8..5e5855a76c 100644 --- a/drivers/fastboot/Kconfig +++ b/drivers/fastboot/Kconfig @@ -242,6 +242,13 @@ config FASTBOOT_OEM_RUN this feature if you are using verified boot, as it will allow an attacker to bypass any restrictions you have in place. +config FASTBOOT_CMD_OEM_CONSOLE + bool "Enable the 'oem console' command" + depends on CONSOLE_RECORD + help + Add support for the "oem console" command to input and read console + record buffer. + endif # FASTBOOT endmenu diff --git a/drivers/fastboot/fb_command.c b/drivers/fastboot/fb_command.c index 6f621df074..f95f4e4ae1 100644 --- a/drivers/fastboot/fb_command.c +++ b/drivers/fastboot/fb_command.c @@ -41,6 +41,7 @@ static void reboot_recovery(char *, char *); static void oem_format(char *, char *); static void oem_partconf(char *, char *); static void oem_bootbus(char *, char *); +static void oem_console(char *, char *); static void run_ucmd(char *, char *); static void run_acmd(char *, char *); @@ -108,6 +109,10 @@ static const struct { .command = "oem run", .dispatch = CONFIG_IS_ENABLED(FASTBOOT_OEM_RUN, (run_ucmd), (NULL)) }, + [FASTBOOT_COMMAND_OEM_CONSOLE] = { + .command = "oem console", + .dispatch = CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_CONSOLE, (oem_console), (NULL)) + }, [FASTBOOT_COMMAND_UCMD] = { .command = "UCmd", .dispatch = CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT, (run_ucmd), (NULL)) @@ -159,6 +164,23 @@ void fastboot_multiresponse(int cmd, char *response) case FASTBOOT_COMMAND_GETVAR: fastboot_getvar_all(response); break; + case FASTBOOT_COMMAND_OEM_CONSOLE: + if (CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_CONSOLE)) { + char buf[FASTBOOT_RESPONSE_LEN] = { 0 }; + + if (console_record_isempty()) { + console_record_reset(); + fastboot_okay(NULL, response); + } else { + int ret = console_record_readline(buf, sizeof(buf) - 5); + + if (ret < 0) + fastboot_fail("Error reading console", response); + else + fastboot_response("INFO", response, "%s", buf); + } + break; + } default: fastboot_fail("Unknown multiresponse command", response); break; @@ -503,3 +525,20 @@ static void __maybe_unused oem_bootbus(char *cmd_parameter, char *response) else fastboot_okay(NULL, response); } + +/** + * oem_console() - Execute the OEM console command + * + * @cmd_parameter: Pointer to command parameter + * @response: Pointer to fastboot response buffer + */ +static void __maybe_unused oem_console(char *cmd_parameter, char *response) +{ + if (cmd_parameter) + console_in_puts(cmd_parameter); + + if (console_record_isempty()) + fastboot_fail("Empty console", response); + else + fastboot_response(FASTBOOT_MULTIRESPONSE_START, response, NULL); +} |