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https://github.com/AsahiLinux/u-boot
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bootm: Update bootm_process_cmdline_env() to use flags
At present only one transformation is supported: making the Linux console silent. To prepare for adding more, convert the boolean parameter into a flag value. Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
parent
b6386f3841
commit
b3c01678fd
3 changed files with 19 additions and 10 deletions
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@ -542,16 +542,17 @@ static int fixup_silent_linux(char *buf, int maxlen)
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return 0;
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}
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int bootm_process_cmdline_env(bool do_silent)
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int bootm_process_cmdline_env(int flags)
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{
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const int maxlen = MAX_CMDLINE_SIZE;
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bool do_silent;
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const char *env;
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char *buf;
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int ret;
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/* First check if any action is needed */
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do_silent = IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
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!IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) && do_silent;
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!IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) && (flags & BOOTM_CL_SILENT);
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if (!do_silent)
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return 0;
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@ -685,7 +686,8 @@ int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc,
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if (!ret && (states & BOOTM_STATE_OS_BD_T))
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ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
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if (!ret && (states & BOOTM_STATE_OS_PREP)) {
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ret = bootm_process_cmdline_env(images->os.os == IH_OS_LINUX);
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ret = bootm_process_cmdline_env(images->os.os == IH_OS_LINUX ?
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BOOTM_CL_SILENT : 0);
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if (ret) {
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printf("Cmdline setup failed (err=%d)\n", ret);
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ret = CMD_RET_FAILURE;
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@ -75,6 +75,13 @@ void board_quiesce_devices(void);
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*/
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void switch_to_non_secure_mode(void);
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/* Flags to control bootm_process_cmdline() */
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enum bootm_cmdline_t {
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BOOTM_CL_SILENT = 1 << 0, /* Do silent console processing */
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BOOTM_CL_ALL = 1, /* All substitutions */
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};
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/**
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* arch_preboot_os() - arch specific configuration before booting
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*/
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@ -91,9 +98,9 @@ void board_preboot_os(void);
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* Updates the 'bootargs' envvar as required. This handles making Linux boot
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* silently if requested ('silent_linux' envvar)
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*
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* @do_silent: Process bootargs for silent console
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* @flags: Flags to control what happens (see bootm_cmdline_t)
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* @return 0 if OK, -ENOMEM if out of memory
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*/
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int bootm_process_cmdline_env(bool do_silent);
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int bootm_process_cmdline_env(int flags);
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#endif
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10
test/bootm.c
10
test/bootm.c
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@ -23,26 +23,26 @@ static int bootm_test_silent_var(struct unit_test_state *uts)
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/* 'silent_linux' not set should do nothing */
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env_set("silent_linux", NULL);
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env_set("bootargs", CONSOLE_STR);
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ut_assertok(bootm_process_cmdline_env(true));
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ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SILENT));
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ut_asserteq_str(CONSOLE_STR, env_get("bootargs"));
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env_set("bootargs", NULL);
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ut_assertok(bootm_process_cmdline_env(true));
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ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SILENT));
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ut_assertnull(env_get("bootargs"));
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ut_assertok(env_set("silent_linux", "no"));
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env_set("bootargs", CONSOLE_STR);
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ut_assertok(bootm_process_cmdline_env(true));
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ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SILENT));
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ut_asserteq_str(CONSOLE_STR, env_get("bootargs"));
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ut_assertok(env_set("silent_linux", "yes"));
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env_set("bootargs", CONSOLE_STR);
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ut_assertok(bootm_process_cmdline_env(true));
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ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SILENT));
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ut_asserteq_str("console=", env_get("bootargs"));
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/* Empty buffer should still add the string */
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env_set("bootargs", NULL);
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ut_assertok(bootm_process_cmdline_env(true));
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ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SILENT));
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ut_asserteq_str("console=", env_get("bootargs"));
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return 0;
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