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bootm: Add a bool parameter to bootm_process_cmdline_env()

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This function will soon do more than just handle the 'silent linux'
feature. As a first step, update it to take a boolean parameter,
indicating whether or not the processing is required.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2020-11-05 10:33:41 -07:00 committed by Tom Rini
parent 4dcb81545a
commit d9477a0a4d
3 changed files with 17 additions and 16 deletions
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20
common/bootm.c
View file

@ -468,15 +468,17 @@ ulong bootm_disable_interrupts(void)
#define CONSOLE_ARG "console="
#define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
int bootm_process_cmdline_env(void)
int bootm_process_cmdline_env(bool do_silent)
{
char *buf;
const char *env_val;
char *cmdline;
int want_silent;
if (!IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
!IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY))
/* First check if any action is needed */
do_silent = IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
!IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) && do_silent;
if (!do_silent)
return 0;
cmdline = env_get("bootargs");
@ -631,13 +633,11 @@ int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc,
if (!ret && (states & BOOTM_STATE_OS_BD_T))
ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
if (!ret && (states & BOOTM_STATE_OS_PREP)) {
if (images->os.os == IH_OS_LINUX) {
ret = bootm_process_cmdline_env();
if (ret) {
printf("Cmdline setup failed (err=%d)\n", ret);
ret = CMD_RET_FAILURE;
goto err;
}
ret = bootm_process_cmdline_env(images->os.os == IH_OS_LINUX);
if (ret) {
printf("Cmdline setup failed (err=%d)\n", ret);
ret = CMD_RET_FAILURE;
goto err;
}
ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
}

3
include/bootm.h
View file

@ -91,8 +91,9 @@ void board_preboot_os(void);
* Updates the 'bootargs' envvar as required. This handles making Linux boot
* silently if requested ('silent_linux' envvar)
*
* @do_silent: Process bootargs for silent console
* @return 0 if OK, -ENOMEM if out of memory
*/
int bootm_process_cmdline_env(void);
int bootm_process_cmdline_env(bool do_silent);
#endif

10
test/bootm.c
View file

@ -23,26 +23,26 @@ static int bootm_test_silent_var(struct unit_test_state *uts)
/* 'silent_linux' not set should do nothing */
env_set("silent_linux", NULL);
env_set("bootargs", CONSOLE_STR);
ut_assertok(bootm_process_cmdline_env());
ut_assertok(bootm_process_cmdline_env(true));
ut_asserteq_str(CONSOLE_STR, env_get("bootargs"));
env_set("bootargs", NULL);
ut_assertok(bootm_process_cmdline_env());
ut_assertok(bootm_process_cmdline_env(true));
ut_assertnull(env_get("bootargs"));
ut_assertok(env_set("silent_linux", "no"));
env_set("bootargs", CONSOLE_STR);
ut_assertok(bootm_process_cmdline_env());
ut_assertok(bootm_process_cmdline_env(true));
ut_asserteq_str(CONSOLE_STR, env_get("bootargs"));
ut_assertok(env_set("silent_linux", "yes"));
env_set("bootargs", CONSOLE_STR);
ut_assertok(bootm_process_cmdline_env());
ut_assertok(bootm_process_cmdline_env(true));
ut_asserteq_str("console=", env_get("bootargs"));
/* Empty buffer should still add the string */
env_set("bootargs", NULL);
ut_assertok(bootm_process_cmdline_env());
ut_assertok(bootm_process_cmdline_env(true));
ut_asserteq_str("console=", env_get("bootargs"));
return 0;