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Coreboot video support.

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* grub-core/Makefile.core.def (vga): Extend to coreboot and multiboot.
	(vbe): Likewise.
	* grub-core/kern/i386/coreboot/startup.S: Include int.S.
	* grub-core/kern/i386/pc/startup.S (grub_bios_interrupt): Moved from
	here ...
	* grub-core/kern/i386/int.S: ... here.
	* grub-core/video/i386/pc/vbe.c: Updated includes.
	* grub-core/video/i386/pc/vga.c: Likewise.
	* include/grub/i386/coreboot/memory.h
	(GRUB_MEMORY_MACHINE_SCRATCH_ADDR): New definition.
	(GRUB_MEMORY_MACHINE_SCRATCH_SEG): Likewise.
	(GRUB_MEMORY_MACHINE_SCRATCH_SIZE): Likewise.
	* include/grub/i386/pc/int.h (GRUB_CPU_INT_FLAGS_DEFAULT) [!PCBIOS]:
	Disable interrupts.
	* include/grub/i386/pc/vga.h: Removed. All users updated.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-06-27 08:54:55 +02:00
parent 41bec7fec9
commit 9fc9ce3795
11 changed files with 184 additions and 136 deletions
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4
include/grub/i386/coreboot/memory.h
View file

@ -28,6 +28,10 @@
#include <grub/memory.h>
#endif
#define GRUB_MEMORY_MACHINE_SCRATCH_ADDR 0x68000
#define GRUB_MEMORY_MACHINE_SCRATCH_SEG (GRUB_MEMORY_MACHINE_SCRATCH_ADDR >> 4)
#define GRUB_MEMORY_MACHINE_SCRATCH_SIZE 0x10000
#define GRUB_MEMORY_MACHINE_LOWER_USABLE 0x9fc00 /* 640 kiB - 1 kiB */
#define GRUB_MEMORY_MACHINE_UPPER_START 0x100000 /* 1 MiB */

5
include/grub/i386/pc/int.h
View file

@ -45,7 +45,12 @@ struct grub_bios_int_registers
#define GRUB_CPU_INT_FLAGS_INTERRUPT 0x200
#define GRUB_CPU_INT_FLAGS_DIRECTION 0x400
#define GRUB_CPU_INT_FLAGS_OVERFLOW 0x800
#ifdef GRUB_MACHINE_PCBIOS
#define GRUB_CPU_INT_FLAGS_DEFAULT GRUB_CPU_INT_FLAGS_INTERRUPT
#else
#define GRUB_CPU_INT_FLAGS_DEFAULT 0
#endif
void EXPORT_FUNC (grub_bios_interrupt) (grub_uint8_t intno,
struct grub_bios_int_registers *regs);

28
include/grub/i386/pc/vga.h
View file

@ -1,28 +0,0 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2003,2007,2008 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
* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_VGA_MACHINE_HEADER
#define GRUB_VGA_MACHINE_HEADER 1
#include <grub/symbol.h>
#include <grub/machine/memory.h>
/* The VGA (at the beginning of upper memory). */
#define GRUB_MEMORY_MACHINE_VGA_ADDR GRUB_MEMORY_MACHINE_UPPER
#endif /* ! GRUB_VGA_MACHINE_HEADER */