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2009-08-28 Colin Watson <cjwatson@ubuntu.com>

Browse source 
2009-08-28  Robert Millan  <rmh.grub@aybabtu.com>

	Add `getkeystatus' terminal method.  Add a new `keystatus' command
	to query it.

	* include/grub/term.h (GRUB_TERM_STATUS_SHIFT,
	GRUB_TERM_STATUS_CTRL, GRUB_TERM_STATUS_ALT): Definitions for
	modifier key bitmasks.
	(struct grub_term_input): Add `getkeystatus' member.
	(grub_getkeystatus): Add prototype.
	* kern/term.c (grub_getkeystatus): New function.

	* include/grub/i386/pc/memory.h
	(GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR): New macro.
	(struct grub_machine_bios_data_area): Define necessary parts of BIOS
	Data Area layout.
	* term/i386/pc/console.c (grub_console_getkeystatus): New function.
	(grub_console_term_input): Set `getkeystatus' member.
	* term/usb_keyboard.c (grub_usb_hid): Macroify HID protocol
	constants.
	(grub_usb_keyboard_getreport): Likewise.
	(grub_usb_keyboard_checkkey): Likewise.
	(grub_usb_keyboard_getkeystatus): New function.
	(grub_usb_keyboard_term): Set `getkeystatus' member.

	* commands/keystatus.c: New file.
	* conf/common.rmk (pkglib_MODULES): Add keystatus.mod.
	(keystatus_mod_SOURCES): New variable.
	(keystatus_mod_CFLAGS): Likewise.
	(keystatus_mod_LDFLAGS): Likewise.
	* conf/i386-coreboot.rmk (grub_emu_SOURCES): Add
	commands/keystatus.c.
	* conf/i386-efi.rmk (grub_emu_SOURCES): Likewise.
	* conf/i386-ieee1275.rmk (grub_emu_SOURCES): Likewise.
	* conf/i386-pc.rmk (grub_emu_SOURCES): Likewise.
	* conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Likewise.
	* conf/sparc64-ieee1275.rmk (grub_emu_SOURCES): Likewise.
	* conf/x86_64-efi.rmk (grub_emu_SOURCES): Likewise.
	* DISTLIST: Add commands/keystatus.c.
This commit is contained in:
cjwatson 2009-08-28 13:20:34 +00:00
parent 6e2a90859a
commit 4cbe67e509
15 changed files with 270 additions and 15 deletions
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27
term/i386/pc/console.c
View file

@ -1,6 +1,6 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2003,2005,2007,2008 Free Software Foundation, Inc.
* Copyright (C) 2002,2003,2005,2007,2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -16,15 +16,40 @@
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/machine/memory.h>
#include <grub/machine/console.h>
#include <grub/term.h>
#include <grub/types.h>
static const struct grub_machine_bios_data_area *bios_data_area = GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR;
#define KEYBOARD_LEFT_SHIFT (1 << 0)
#define KEYBOARD_RIGHT_SHIFT (1 << 1)
#define KEYBOARD_CTRL (1 << 2)
#define KEYBOARD_ALT (1 << 3)
static int
grub_console_getkeystatus (void)
{
grub_uint8_t status = bios_data_area->keyboard_flag_lower;
int mods = 0;
if (status & (KEYBOARD_LEFT_SHIFT | KEYBOARD_RIGHT_SHIFT))
mods |= GRUB_TERM_STATUS_SHIFT;
if (status & KEYBOARD_CTRL)
mods |= GRUB_TERM_STATUS_CTRL;
if (status & KEYBOARD_ALT)
mods |= GRUB_TERM_STATUS_ALT;
return mods;
}
static struct grub_term_input grub_console_term_input =
{
.name = "console",
.checkkey = grub_console_checkkey,
.getkey = grub_console_getkey,
.getkeystatus = grub_console_getkeystatus,
};
static struct grub_term_output grub_console_term_output =