diff -ur linux.old/arch/mips/kernel/head.S linux.dev/arch/mips/kernel/head.S
---- linux.old/arch/mips/kernel/head.S 2006-10-26 00:11:13.000000000 +0200
-+++ linux.dev/arch/mips/kernel/head.S 2006-10-26 02:40:10.000000000 +0200
-@@ -132,6 +132,8 @@
+--- linux.old/arch/mips/kernel/head.S 2006-12-06 17:30:27.000000000 +0100
++++ linux.dev/arch/mips/kernel/head.S 2006-12-06 18:34:43.000000000 +0100
+@@ -129,15 +129,20 @@
+ #endif
+ .endm
+-
j kernel_entry
nop
+-
+ nop
-+EXPORT(_image_cmdline)
-
++
/*
* Reserved space for exception handlers.
-diff -ur linux.old/arch/mips/rb500/prom.c linux.dev/arch/mips/rb500/prom.c
---- linux.old/arch/mips/rb500/prom.c 2006-10-26 00:11:14.000000000 +0200
-+++ linux.dev/arch/mips/rb500/prom.c 2006-10-26 02:40:46.000000000 +0200
-@@ -128,6 +128,7 @@
- /* FIXME: STUB */
- }
+ * Necessary for machines which link their kernels at KSEG0.
++ * Use as temporary storage for the kernel command line, so that it
++ * can be updated easily without having to relink the kernel.
+ */
+- .fill 0x400
++
++EXPORT(_image_cmdline)
++ .ascii "CMDLINE:"
++ .fill 0x3ec
-+extern char _image_cmdline;
- void __init prom_setup_cmdline(void){
- char cmd_line[CL_SIZE];
- char *cp;
-@@ -163,6 +164,9 @@
- strcpy(cp,prom_argv[i]);
- cp+=strlen(prom_argv[i]);
- }
-+ *(cp++) = ' ';
-+ strcpy(cp,&_image_cmdline);
-+ cp += strlen(&_image_cmdline);
-
- i=strlen(arcs_cmdline);
- if (i>0){
+ EXPORT(stext) # used for profiling
+ EXPORT(_stext)
+