diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2018-02-28 12:38:05 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-03-02 15:22:24 +0000 |
| commit | 60320182d011a8c31793f833f36f65cd5e8b50df (patch) | |
| tree | 52676d96126d0c455a4411cdcc4ac66b23dc4501 /src/console | |
| parent | 277f4b99740e989bbe21b4ddd2451c5dbe8efea2 (diff) | |
console: only allow console messages after initialization
The console subsystem allows printk() to be called prior to the
drivers and/or infrastructure is completely set up. In those
situations don't allow messages to be added until the console
is completely initialized.
BUG=b:73898539
Change-Id: Idc3840132d7f95f8e22045d7484c528d828bb0de
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/24917
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/console')
| -rw-r--r-- | src/console/init.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/console/init.c b/src/console/init.c index 78c568f96e..8f71b09881 100644 --- a/src/console/init.c +++ b/src/console/init.c @@ -14,6 +14,7 @@ * GNU General Public License for more details. */ +#include <arch/early_variables.h> #include <console/console.h> #include <console/uart.h> #include <console/streams.h> @@ -29,10 +30,13 @@ #define CONSOLE_LEVEL_CONST 0 #endif +static int console_inited CAR_GLOBAL; static int console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL; static inline int get_log_level(void) { + if (car_get_var(console_inited) == 0) + return -1; if (CONSOLE_LEVEL_CONST) return get_console_loglevel(); @@ -74,6 +78,8 @@ asmlinkage void console_init(void) console_hw_init(); + car_set_var(console_inited, 1); + printk(BIOS_NOTICE, "\n\ncoreboot-%s%s %s " ENV_STRING " starting...\n", coreboot_version, coreboot_extra_version, coreboot_build); } |