Editing Kernel command-line arguments inside Kernel

Question

U-boot passes kernel command-line parameters. In my requirement I want to edit these parameters in the kernel source tree and don\'t want to change U-boot code. I am using 2

Answer 1

You can change if from kernel config:-

+CONFIG_CMDLINE="foo=1"
+CONFIG_CMDLINE_EXTEND=y

Check runtime:-
$cat /proc/cmdline

Answer 2

Follow this procedure:

• Enter the kernel config by typing make menuconfig
• Enter the menu Processor type and features
• Enable Built-in kernel command line
• Specify your command line by clicking on Built-in kernel command string
• Select Built-in command line overrides boot loader arguments if you want bootargs to be ignored