diff --git a/ChangeLog b/ChangeLog index 120feca65..776060afc 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,19 @@ +2008-01-19 Robert Millan + + * include/grub/i386/linuxbios/console.h: Add header protection. + (grub_keyboard_controller_init): New function prototype. + * term/i386/pc/at_keyboard.c (KEYBOARD_COMMAND_ISREADY): New macro. + (KEYBOARD_COMMAND_READ): Likewise. + (KEYBOARD_COMMAND_WRITE): Likewise. + (KEYBOARD_SCANCODE_SET1): Likewise. + (grub_keyboard_controller_write): New function. + (grub_keyboard_controller_read): Likewise. + (grub_keyboard_controller_init): Likewise. + + * term/i386/pc/console.c: Include `'. + (grub_console_init): On coreboot/LinuxBIOS, call + grub_keyboard_controller_init(). + 2008-01-19 Robert Millan PowerPC changes provided by Pavel Roskin. diff --git a/include/grub/i386/linuxbios/console.h b/include/grub/i386/linuxbios/console.h index 305a46d8e..f4f481077 100644 --- a/include/grub/i386/linuxbios/console.h +++ b/include/grub/i386/linuxbios/console.h @@ -1 +1,25 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 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 + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef _GRUB_CONSOLE_MACHINE_LB_HEADER +#define _GRUB_CONSOLE_MACHINE_LB_HEADER 1 #include + +void grub_keyboard_controller_init (void); + +#endif /* ! _GRUB_CONSOLE_MACHINE_LB_HEADER */ diff --git a/term/i386/pc/at_keyboard.c b/term/i386/pc/at_keyboard.c index 5852ec94b..ad8fc3d2e 100644 --- a/term/i386/pc/at_keyboard.c +++ b/term/i386/pc/at_keyboard.c @@ -1,6 +1,6 @@ /* * GRUB -- GRand Unified Bootloader - * Copyright (C) 2007 Free Software Foundation, Inc. + * Copyright (C) 2007,2008 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 @@ -37,6 +37,13 @@ #define KEYBOARD_REG_DATA 0x60 #define KEYBOARD_REG_STATUS 0x64 +/* Used for sending commands to the controller. */ +#define KEYBOARD_COMMAND_ISREADY(x) !((x) & 0x02) +#define KEYBOARD_COMMAND_READ 0x20 +#define KEYBOARD_COMMAND_WRITE 0x60 + +#define KEYBOARD_SCANCODE_SET1 0x40 + #define KEYBOARD_ISMAKE(x) !((x) & 0x80) #define KEYBOARD_ISREADY(x) (((x) & 0x01) == 0) #define KEYBOARD_SCANCODE(x) ((x) & 0x7f) @@ -73,6 +80,28 @@ static char keyboard_map_shift[128] = '2', '3', }; +static void +grub_keyboard_controller_write (grub_uint8_t c) +{ + while (! KEYBOARD_COMMAND_ISREADY (grub_inb (KEYBOARD_REG_STATUS))); + grub_outb (KEYBOARD_COMMAND_WRITE, KEYBOARD_REG_STATUS); + grub_outb (c, KEYBOARD_REG_DATA); +} + +static grub_uint8_t +grub_keyboard_controller_read (void) +{ + while (! KEYBOARD_COMMAND_ISREADY (grub_inb (KEYBOARD_REG_STATUS))); + grub_outb (KEYBOARD_COMMAND_READ, KEYBOARD_REG_STATUS); + return grub_inb (KEYBOARD_REG_DATA); +} + +void +grub_keyboard_controller_init (void) +{ + grub_keyboard_controller_write (grub_keyboard_controller_read () | KEYBOARD_SCANCODE_SET1); +} + /* FIXME: This should become an interrupt service routine. For now it's just used to catch events from control keys. */ static void diff --git a/term/i386/pc/console.c b/term/i386/pc/console.c index 9fae1181f..04a1ae1e4 100644 --- a/term/i386/pc/console.c +++ b/term/i386/pc/console.c @@ -1,6 +1,6 @@ /* * GRUB -- GRand Unified Bootloader - * Copyright (C) 2002,2003,2005,2007 Free Software Foundation, Inc. + * Copyright (C) 2002,2003,2005,2007,2008 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 @@ -16,6 +16,7 @@ * along with GRUB. If not, see . */ +#include #include #include #include @@ -148,6 +149,10 @@ static struct grub_term grub_console_term = void grub_console_init (void) { +#ifdef GRUB_MACHINE_LINUXBIOS + grub_keyboard_controller_init (); +#endif + grub_term_register (&grub_console_term); grub_term_set_current (&grub_console_term); }