Allow setting a command line at build time on x86_64. Compiled but not
tested.
Signed-off-by: Matt Mackall <[email protected]>
Index: linux/arch/x86_64/Kconfig
===================================================================
--- linux.orig/arch/x86_64/Kconfig 2006-07-26 18:08:29.000000000 -0500
+++ linux/arch/x86_64/Kconfig 2006-07-27 17:19:50.000000000 -0500
@@ -558,6 +558,20 @@ config K8_NB
def_bool y
depends on AGP_AMD64 || IOMMU || (PCI && NUMA)
+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/x86_64/kernel/setup.c
===================================================================
--- linux.orig/arch/x86_64/kernel/setup.c 2006-07-26 18:08:29.000000000 -0500
+++ linux/arch/x86_64/kernel/setup.c 2006-07-27 17:26:51.000000000 -0500
@@ -289,6 +289,10 @@ static __init void parse_cmdline_early (
int len = 0;
int userdef = 0;
+#ifdef CONFIG_CMDLINE_BOOL
+ strlcpy(saved_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+#endif
+
for (;;) {
if (c != ' ')
goto next_char;
--
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