Messages in this thread Patch in this message | | | Date | Sun, 11 Jun 2006 16:55:30 -0500 | From | Matt Mackall <> | Subject | [PATCH] x86 built-in command line |
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This patch allows building in a kernel command line on x86 as is possible on several other arches.
Signed-off-by: Matt Mackall <mpm@selenic.com>
Index: linux/arch/i386/Kconfig =================================================================== --- linux.orig/arch/i386/Kconfig 2006-05-26 16:18:13.000000000 -0500 +++ linux/arch/i386/Kconfig 2006-06-11 17:01:01.000000000 -0500 @@ -763,6 +763,20 @@ config HOTPLUG_CPU /sys/devices/system/cpu. +config CMDLINE_BOOL + bool "Default bootloader kernel arguments" if EMBEDDED + +config CMDLINE + string "Initial kernel command string" if EMBEDDED + depends on CMDLINE_BOOL + default "root=/dev/hda1 ro" + help + On some systems, there is no way for the boot loader to pass + arguments to the kernel. For these platforms, you can supply + some command-line options at build time by entering them + here. In most cases you will need to specify the root device + here. + endmenu Index: linux/arch/i386/kernel/setup.c =================================================================== --- linux.orig/arch/i386/kernel/setup.c 2006-05-26 16:18:13.000000000 -0500 +++ linux/arch/i386/kernel/setup.c 2006-06-11 16:23:51.000000000 -0500 @@ -713,6 +713,10 @@ static void __init parse_cmdline_early ( int len = 0; int userdef = 0; +#ifdef CONFIG_CMDLINE_BOOL + strlcpy(saved_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE); +#endif + /* Save unparsed command line copy for /proc/cmdline */ saved_command_line[COMMAND_LINE_SIZE-1] = '\0';
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