grub/include/grub/vga.h
Vladimir 'phcoder' Serbinenko c35fc5bd15 Add monochrome text support (mda_text, aka `hercules' in grub-legacy).
* grub-core/Makefile.core.def (mda_text): New module.
	* grub-core/lib/legacy_parse.c (grub_legacy_parse): Support `hercules'.
	* grub-core/term/i386/vga_common.c (grub_console_cur_color): Moved to ..
	* grub-core/term/i386/pc/vga_text.c (cur_color): ... here
	* grub-core/term/i386/pc/console.c (grub_console_cur_color): ... and
	here.
	* grub-core/term/i386/vga_common.c (grub_console_getwh): Moved to ..
	* grub-core/term/i386/pc/vga_text.c (grub_console_getwh): ... here
	* grub-core/term/i386/pc/console.c (grub_console_getwh): ... and
	here.
	* grub-core/term/i386/vga_common.c (grub_console_setcolorstate): Moved
	to ..
	* grub-core/term/i386/pc/vga_text.c (grub_console_setcolorstate):
	... here
	* grub-core/term/i386/pc/console.c (grub_console_setcolorstate): ... and
	here.
	* grub-core/term/i386/vga_common.c: Removed.
	* include/grub/i386/vga_common.h: Likewise.
	* include/grub/vga.h (grub_vga_cr_bw_write): New function.
	(grub_vga_cr_bw_read): Likewise.
	* include/grub/vgaregs.h (GRUB_VGA_IO_CR_BW_INDEX): New enum value.
	(GRUB_VGA_IO_CR_BW_DATA): Likewise.
	* grub-core/term/i386/pc/vga_text.c [MODE_MDA]: Call
	grub_vga_cr_bw_read/grub_vga_cr_bw_write instead of
	grub_vga_cr_read/grub_vga_cr_write.
	(grub_vga_text_setcolorstate) [MODE_MDA]: Ignore color.
2012-06-28 15:27:54 +02:00

129 lines
4.2 KiB
C

/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010 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_HEADER
#define GRUB_VGA_HEADER 1
#ifndef GRUB_MACHINE_MIPS_QEMU_MIPS
#include <grub/pci.h>
#else
#include <grub/cpu/io.h>
#define GRUB_MACHINE_PCI_IO_BASE 0xb4000000
#endif
#include <grub/vgaregs.h>
static inline void
grub_vga_gr_write (grub_uint8_t val, grub_uint8_t addr)
{
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_GR_INDEX);
grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_GR_DATA);
}
static inline grub_uint8_t
grub_vga_gr_read (grub_uint8_t addr)
{
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_GR_INDEX);
return grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_GR_DATA);
}
static inline void
grub_vga_cr_write (grub_uint8_t val, grub_uint8_t addr)
{
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_CR_INDEX);
grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_CR_DATA);
}
static inline grub_uint8_t
grub_vga_cr_read (grub_uint8_t addr)
{
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_CR_INDEX);
return grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_CR_DATA);
}
static inline void
grub_vga_cr_bw_write (grub_uint8_t val, grub_uint8_t addr)
{
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_CR_BW_INDEX);
grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_CR_BW_DATA);
}
static inline grub_uint8_t
grub_vga_cr_bw_read (grub_uint8_t addr)
{
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_CR_BW_INDEX);
return grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_CR_BW_DATA);
}
static inline void
grub_vga_sr_write (grub_uint8_t val, grub_uint8_t addr)
{
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_SR_INDEX);
grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_SR_DATA);
}
static inline grub_uint8_t
grub_vga_sr_read (grub_uint8_t addr)
{
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_SR_INDEX);
return grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_SR_DATA);
}
static inline void
grub_vga_palette_read (grub_uint8_t addr, grub_uint8_t *r, grub_uint8_t *g,
grub_uint8_t *b)
{
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_READ_INDEX);
*r = grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
*g = grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
*b = grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
}
static inline void
grub_vga_palette_write (grub_uint8_t addr, grub_uint8_t r, grub_uint8_t g,
grub_uint8_t b)
{
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_WRITE_INDEX);
grub_outb (r, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
grub_outb (g, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
grub_outb (b, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
}
static inline void
grub_vga_write_arx (grub_uint8_t val, grub_uint8_t addr)
{
grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_INPUT_STATUS1_REGISTER);
grub_inb (GRUB_MACHINE_PCI_IO_BASE + 0x3ba);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX);
grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX_READ);
grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX);
}
static inline grub_uint8_t
grub_vga_read_arx (grub_uint8_t addr)
{
grub_uint8_t val;
grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_INPUT_STATUS1_REGISTER);
grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX);
val = grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX_READ);
grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX);
return val;
}
#endif