From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/mips/fw/arc/cmdline.c | 104 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 arch/mips/fw/arc/cmdline.c (limited to 'arch/mips/fw/arc/cmdline.c') diff --git a/arch/mips/fw/arc/cmdline.c b/arch/mips/fw/arc/cmdline.c new file mode 100644 index 00000000..c0122a1d --- /dev/null +++ b/arch/mips/fw/arc/cmdline.c @@ -0,0 +1,104 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * cmdline.c: Kernel command line creation using ARCS argc/argv. + * + * Copyright (C) 1996 David S. Miller (davem@davemloft.net) + */ +#include +#include +#include +#include + +#include +#include + +#undef DEBUG_CMDLINE + +static char *ignored[] = { + "ConsoleIn=", + "ConsoleOut=", + "SystemPartition=", + "OSLoader=", + "OSLoadPartition=", + "OSLoadFilename=", + "OSLoadOptions=" +}; + +static char *used_arc[][2] = { + { "OSLoadPartition=", "root=" }, + { "OSLoadOptions=", "" } +}; + +static char * __init move_firmware_args(char* cp) +{ + char *s; + int actr, i; + + actr = 1; /* Always ignore argv[0] */ + + while (actr < prom_argc) { + for(i = 0; i < ARRAY_SIZE(used_arc); i++) { + int len = strlen(used_arc[i][0]); + + if (!strncmp(prom_argv(actr), used_arc[i][0], len)) { + /* Ok, we want it. First append the replacement... */ + strcat(cp, used_arc[i][1]); + cp += strlen(used_arc[i][1]); + /* ... and now the argument */ + s = strchr(prom_argv(actr), '='); + if (s) { + s++; + strcpy(cp, s); + cp += strlen(s); + } + *cp++ = ' '; + break; + } + } + actr++; + } + + return cp; +} + +void __init prom_init_cmdline(void) +{ + char *cp; + int actr, i; + + actr = 1; /* Always ignore argv[0] */ + + cp = arcs_cmdline; + /* + * Move ARC variables to the beginning to make sure they can be + * overridden by later arguments. + */ + cp = move_firmware_args(cp); + + while (actr < prom_argc) { + for (i = 0; i < ARRAY_SIZE(ignored); i++) { + int len = strlen(ignored[i]); + + if (!strncmp(prom_argv(actr), ignored[i], len)) + goto pic_cont; + } + /* Ok, we want it. */ + strcpy(cp, prom_argv(actr)); + cp += strlen(prom_argv(actr)); + *cp++ = ' '; + + pic_cont: + actr++; + } + + if (cp != arcs_cmdline) /* get rid of trailing space */ + --cp; + *cp = '\0'; + +#ifdef DEBUG_CMDLINE + printk(KERN_DEBUG "prom cmdline: %s\n", arcs_cmdline); +#endif +} -- cgit