If you want to use a USB keyboard, you'll need to enable this CONFIG. It is disabled by default, since we usually use serial access and it is a source of interference. Sometimes you want a keyboard for debugging.
Signed-off-by: Barret Rhoden <[email protected]> --- kern/arch/x86/Kconfig | 10 ++++++++++ kern/arch/x86/init.c | 4 ++++ 2 files changed, 14 insertions(+) diff --git a/kern/arch/x86/Kconfig b/kern/arch/x86/Kconfig index dbff2afcd4d9..e467b5409f67 100644 --- a/kern/arch/x86/Kconfig +++ b/kern/arch/x86/Kconfig @@ -72,4 +72,14 @@ config X86_DISABLE_KEYBOARD Say 'y' if you have such a machine and do not need the keyboard. +config ENABLE_LEGACY_USB + bool "Enable Legacy USB" + default n + help + Say 'y' if you want to use a USB keyboard. Given that we do not have a + USB stack, disabling legacy USB means USB keyboards will not work. We + disable legacy USB by default, since our primary console communication + is serial, and legacy USB support results in SMM interference that + affects all cores. + endmenu diff --git a/kern/arch/x86/init.c b/kern/arch/x86/init.c index 126d75b8a565..b724360f7333 100644 --- a/kern/arch/x86/init.c +++ b/kern/arch/x86/init.c @@ -91,6 +91,10 @@ void arch_init() perfmon_init(); cons_irq_init(); intel_lpc_init(); +#ifdef CONFIG_ENABLE_LEGACY_USB + printk("Legacy USB support enabled, expect SMM interference!\n"); +#else usb_disable_legacy(); +#endif check_timing_stability(); } -- 2.6.0.rc2.230.g3dd15c0 -- You received this message because you are subscribed to the Google Groups "Akaros" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. For more options, visit https://groups.google.com/d/optout.
