replace the ugly rb532 cmdline hack with a cleaner one that does not depend on magic...
[openwrt/svn-archive/archive.git] / target / linux / rb532-2.6 / patches / 140-cmdline_hack.patch
index 55cf8889f65a14a1bc746607fadd2d587c45c6aa..01daf3132c068c4a9c4c95567b573c8c9a30d763 100644 (file)
@@ -1,18 +1,33 @@
 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.
+        * 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
+ EXPORT(stext)                                 # used for profiling
+ EXPORT(_stext)
 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
+--- linux.old/arch/mips/rb500/prom.c   2006-12-06 17:30:27.000000000 +0100
++++ linux.dev/arch/mips/rb500/prom.c   2006-12-06 17:41:40.000000000 +0100
 @@ -128,6 +128,7 @@
        /* FIXME: STUB */
  }
@@ -26,7 +41,7 @@ diff -ur linux.old/arch/mips/rb500/prom.c linux.dev/arch/mips/rb500/prom.c
                cp+=strlen(prom_argv[i]);
        }
 +      *(cp++) = ' ';
-+      strcpy(cp,&_image_cmdline);
++      strcpy(cp,(&_image_cmdline + 8));
 +      cp += strlen(&_image_cmdline);
        
        i=strlen(arcs_cmdline);