diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_bootm.c | 40 | ||||
| -rw-r--r-- | common/console.c | 14 | ||||
| -rw-r--r-- | common/main.c | 33 |
3 files changed, 83 insertions, 4 deletions
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index 79b763ec13..8bac1be460 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -117,6 +117,9 @@ static boot_os_Fcn do_bootm_linux; #else extern boot_os_Fcn do_bootm_linux; #endif +#ifdef CONFIG_SILENT_CONSOLE +static void fixup_silent_linux (void); +#endif static boot_os_Fcn do_bootm_netbsd; static boot_os_Fcn do_bootm_rtems; #if (CONFIG_COMMANDS & CFG_CMD_ELF) @@ -378,6 +381,9 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) switch (hdr->ih_os) { default: /* handled by (original) Linux case */ case IH_OS_LINUX: +#ifdef CONFIG_SILENT_CONSOLE + fixup_silent_linux(); +#endif do_bootm_linux (cmdtp, flag, argc, argv, addr, len_ptr, verify); break; @@ -432,6 +438,40 @@ U_BOOT_CMD( " 'arg' can be the address of an initrd image\n" ); +#ifdef CONFIG_SILENT_CONSOLE +static void +fixup_silent_linux () +{ + DECLARE_GLOBAL_DATA_PTR; + char buf[256], *start, *end; + char *cmdline = getenv ("bootargs"); + + /* Only fix cmdline when requested */ + if (!(gd->flags & GD_FLG_SILENT)) + return; + + debug ("before silent fix-up: %s\n", cmdline); + if (cmdline) { + if ((start = strstr (cmdline, "console=")) != NULL) { + end = strchr (start, ' '); + strncpy (buf, cmdline, (start - cmdline + 8)); + if (end) + strcpy (buf + (start - cmdline + 8), end); + else + buf[start - cmdline + 8] = '\0'; + } else { + strcpy (buf, cmdline); + strcat (buf, " console="); + } + } else { + strcpy (buf, "console="); + } + + setenv ("bootargs", buf); + debug ("after silent fix-up: %s\n", buf); +} +#endif /* CONFIG_SILENT_CONSOLE */ + #ifdef CONFIG_PPC static void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, diff --git a/common/console.c b/common/console.c index 3ef60fd7ac..da49c96827 100644 --- a/common/console.c +++ b/common/console.c @@ -365,10 +365,16 @@ int console_init_f (void) DECLARE_GLOBAL_DATA_PTR; gd->have_console = 1; + +#ifdef CONFIG_SILENT_CONSOLE + if (getenv("silent") != NULL) + gd->flags |= GD_FLG_SILENT; +#endif + return (0); } -#if defined(CFG_CONSOLE_IS_IN_ENV) || defined(CONFIG_SPLASH_SCREEN) +#if defined(CFG_CONSOLE_IS_IN_ENV) || defined(CONFIG_SPLASH_SCREEN) || defined(CONFIG_SILENT_CONSOLE) /* search a device */ device_t *search_device (int flags, char *name) { @@ -494,6 +500,12 @@ int console_init_r (void) outputdev = search_device (DEV_FLAGS_OUTPUT, "nulldev"); #endif +#ifdef CONFIG_SILENT_CONSOLE + /* Suppress all output if "silent" mode requested */ + if (gd->flags & GD_FLG_SILENT) + outputdev = search_device (DEV_FLAGS_OUTPUT, "nulldev"); +#endif + /* Scan devices looking for input and output devices */ for (i = 1; (i <= items) && ((inputdev == NULL) || (outputdev == NULL)); diff --git a/common/main.c b/common/main.c index d08bc47d73..73f8ff9f0b 100644 --- a/common/main.c +++ b/common/main.c @@ -193,6 +193,18 @@ static __inline__ int abortboot(int bootdelay) { int abort = 0; +#ifdef CONFIG_SILENT_CONSOLE + { + DECLARE_GLOBAL_DATA_PTR; + + if (gd->flags & GD_FLG_SILENT) { + /* Restore serial console */ + console_assign (stdout, "serial"); + console_assign (stderr, "serial"); + } + } +#endif + #ifdef CONFIG_MENUPROMPT printf(CONFIG_MENUPROMPT, bootdelay); #else @@ -207,13 +219,13 @@ static __inline__ int abortboot(int bootdelay) if (bootdelay >= 0) { if (tstc()) { /* we got a key press */ (void) getc(); /* consume input */ - printf ("\b\b\b 0\n"); - return 1; /* don't auto boot */ + printf ("\b\b\b 0"); + abort = 1; /* don't auto boot */ } } #endif - while (bootdelay > 0) { + while ((bootdelay > 0) && (!abort)) { int i; --bootdelay; @@ -237,6 +249,21 @@ static __inline__ int abortboot(int bootdelay) putc ('\n'); +#ifdef CONFIG_SILENT_CONSOLE + { + DECLARE_GLOBAL_DATA_PTR; + + if (abort) { + /* permanently enable normal console output */ + gd->flags &= ~(GD_FLG_SILENT); + } else if (gd->flags & GD_FLG_SILENT) { + /* Restore silent console */ + console_assign (stdout, "nulldev"); + console_assign (stderr, "nulldev"); + } + } +#endif + return abort; } # endif /* CONFIG_AUTOBOOT_KEYED */ |