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authorFelix Fietkau <nbd@openwrt.org>2006-10-26 01:08:41 +0000
committerFelix Fietkau <nbd@openwrt.org>2006-10-26 01:08:41 +0000
commit60037e70b76041e9405f69280b2c20951f61e481 (patch)
tree0d11d9505339e326cf674abd1dabea62d804a1d0 /target/linux/rb532-2.6/patches/140-cmdline_hack.patch
parenta3d5bf8d54d949c99d79df81069f160ce5eeea4d (diff)
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Add NAND flash/YAFFS2 patches for RB532 by David Goodenough
Read the kernel command line from an otherwise unused area of the kernel image (will be used for changing the command line on the fly when copying the system from CF to NAND) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5296 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/rb532-2.6/patches/140-cmdline_hack.patch')
-rw-r--r--target/linux/rb532-2.6/patches/140-cmdline_hack.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/rb532-2.6/patches/140-cmdline_hack.patch b/target/linux/rb532-2.6/patches/140-cmdline_hack.patch
new file mode 100644
index 0000000000..55cf8889f6
--- /dev/null
+++ b/target/linux/rb532-2.6/patches/140-cmdline_hack.patch
@@ -0,0 +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 @@
+
+ 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 */
+ }
+
++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){