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[usb] Add basic support for USB keyboards

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When USB network card drivers are used, the BIOS' legacy USB
capability is necessarily disabled since there is no way to share the
host controller between the BIOS and iPXE.  This currently results in
USB keyboards becoming non-functional in USB-enabled builds of iPXE.

Fix by adding basic support for USB keyboards, enabled by default in
iPXE builds which include USB support.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2015-05-11 15:42:54 +01:00
parent a8e4187c45
commit 372672275e
7 changed files with 680 additions and 0 deletions
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src/config/defaults/pcbios.h
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@@ -39,6 +39,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#define USB_HCD_XHCI /* xHCI USB host controller */
#define USB_HCD_EHCI /* EHCI USB host controller */
#define USB_HCD_UHCI /* UHCI USB host controller */
#define USB_KEYBOARD /* USB keyboards */
#define REBOOT_CMD /* Reboot command */
#define CPUID_CMD /* x86 CPU feature detection command */