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Init cirrus ourselves instead of calling videobios

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-06-21 01:02:48 +02:00
parent 8c0346515d
commit 4d88b9aec7
7 changed files with 172 additions and 4 deletions
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3
boot/i386/qemu/boot.S
View file

@ -36,9 +36,6 @@ VARIABLE(grub_core_entry_addr)
.long 0
1:
/* Process VGA rom. */
call $0xc000, $0x3
/* Set up %ds, %ss, and %es. */
xorw %ax, %ax
movw %ax, %ds

6
conf/i386-qemu.rmk
View file

@ -19,10 +19,13 @@ grub_mkimage_SOURCES = util/grub-mkrawimage.c util/misc.c \
grub_mkimage_CFLAGS = -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR)
util/grub-mkrawimage.c_DEPENDENCIES = Makefile
kern/i386/qemu/init.c_DEPENDENCIES = ascii.h
pkglib_IMAGES += kernel.img
kernel_img_SOURCES = kern/i386/qemu/startup.S \
kern/i386/misc.S \
kern/i386/coreboot/init.c \
kern/i386/qemu/init.c \
kern/i386/qemu/mmap.c \
kern/i386/halt.c \
kern/main.c kern/device.c \
@ -35,8 +38,9 @@ kernel_img_SOURCES = kern/i386/qemu/startup.S \
kern/generic/rtc_get_time_ms.c \
kern/generic/millisleep.c \
kern/env.c \
term/i386/pc/vga_text.c term/i386/vga_common.c \
term/i386/pc/vga_text.c term/i386/vga_common.c bus/pci.c \
symlist.c
kernel_img_HEADERS += pci.h
kernel_img_CFLAGS = $(COMMON_CFLAGS) -DGRUB_BOOT_MACHINE_LINK_ADDR=$(GRUB_BOOT_MACHINE_LINK_ADDR)
kernel_img_ASFLAGS = $(COMMON_ASFLAGS) -DGRUB_KERNEL_MACHINE_LINK_ADDR=$(GRUB_KERNEL_MACHINE_LINK_ADDR)
kernel_img_LDFLAGS += $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS)$(GRUB_KERNEL_MACHINE_LINK_ADDR)

3
conf/i386.rmk
View file

@ -60,11 +60,14 @@ serial_mod_SOURCES = term/serial.c
serial_mod_CFLAGS = $(COMMON_CFLAGS)
serial_mod_LDFLAGS = $(COMMON_LDFLAGS)
# On qemu it's compiled in
ifneq ($(platform), qemu)
# For pci.mod
pkglib_MODULES += pci.mod
pci_mod_SOURCES = bus/pci.c
pci_mod_CFLAGS = $(COMMON_CFLAGS)
pci_mod_LDFLAGS = $(COMMON_LDFLAGS)
endif
# For lspci.mod
pkglib_MODULES += lspci.mod

7
configure.ac
View file

@ -178,13 +178,20 @@ if test "x$YACC" = x; then
AC_MSG_ERROR([bison is not found])
fi
FONT_SOURCE=
for file in /usr/src/unifont.bdf /usr/share/fonts/X11/misc/unifont.pcf.gz /usr/share/fonts/unifont/unifont.pcf.gz; do
if test -e $file ; then
FONT_SOURCE=$file
AC_SUBST([FONT_SOURCE], [$file])
break
fi
done
if test "x$FONT_SOURCE" == x && ( test "x$platform" = xqemu || test "x$platform" = xyeeloong ); then
AC_MSG_ERROR([qemu and yeeloong ports need unifont])
fi
AC_PROG_INSTALL
AC_PROG_AWK
AC_PROG_LEX

2
include/grub/i386/qemu/kernel.h
View file

@ -48,6 +48,8 @@ extern grub_int32_t grub_total_module_size;
configuration file are located. */
extern char grub_prefix[];
void grub_qemu_init_cirrus (void);
#endif /* ! ASM_FILE */
#endif /* ! GRUB_KERNEL_MACHINE_HEADER */

3
kern/i386/coreboot/init.c
View file

@ -70,6 +70,9 @@ grub_exit (void)
void
grub_machine_init (void)
{
#ifdef GRUB_MACHINE_QEMU
grub_qemu_init_cirrus ();
#endif
/* Initialize the console as early as possible. */
grub_vga_text_init ();

152
kern/i386/qemu/init.c Normal file
View file

@ -0,0 +1,152 @@
/*
* 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/>.
*/
#include <grub/pci.h>
#include <grub/machine/kernel.h>
#include <grub/misc.h>
#include <grub/vga.h>
static struct {grub_uint8_t r, g, b, a; } colors[] =
{
// {R, G, B, A}
{0x00, 0x00, 0x00, 0xFF}, // 0 = black
{0x00, 0x00, 0xA8, 0xFF}, // 1 = blue
{0x00, 0xA8, 0x00, 0xFF}, // 2 = green
{0x00, 0xA8, 0xA8, 0xFF}, // 3 = cyan
{0xA8, 0x00, 0x00, 0xFF}, // 4 = red
{0xA8, 0x00, 0xA8, 0xFF}, // 5 = magenta
{0xA8, 0x54, 0x00, 0xFF}, // 6 = brown
{0xA8, 0xA8, 0xA8, 0xFF}, // 7 = light gray
{0x54, 0x54, 0x54, 0xFF}, // 8 = dark gray
{0x54, 0x54, 0xFE, 0xFF}, // 9 = bright blue
{0x54, 0xFE, 0x54, 0xFF}, // 10 = bright green
{0x54, 0xFE, 0xFE, 0xFF}, // 11 = bright cyan
{0xFE, 0x54, 0x54, 0xFF}, // 12 = bright red
{0xFE, 0x54, 0xFE, 0xFF}, // 13 = bright magenta
{0xFE, 0xFE, 0x54, 0xFF}, // 14 = yellow
{0xFE, 0xFE, 0xFE, 0xFF} // 15 = white
};
#include <ascii.h>
static void
load_font (void)
{
unsigned i;
grub_vga_gr_write (0 << 2, GRUB_VGA_GR_GR6);
grub_vga_sr_write (GRUB_VGA_SR_MEMORY_MODE_NORMAL, GRUB_VGA_SR_MEMORY_MODE);
grub_vga_sr_write (1 << GRUB_VGA_TEXT_FONT_PLANE,
GRUB_VGA_SR_MAP_MASK_REGISTER);
grub_vga_gr_write (0, GRUB_VGA_GR_DATA_ROTATE);
grub_vga_gr_write (0, GRUB_VGA_GR_MODE);
grub_vga_gr_write (0xff, GRUB_VGA_GR_BITMASK);
for (i = 0; i < 128; i++)
grub_memcpy ((void *) (0xa0000 + 32 * i), ascii_bitmaps + 16 * (0x7f - i), 16);
}
static void
load_palette (void)
{
unsigned i;
for (i = 0; i < 16; i++)
{
grub_outb (i, GRUB_VGA_IO_ARX);
grub_outb (i, GRUB_VGA_IO_ARX);
}
for (i = 0; i < ARRAY_SIZE (colors); i++)
grub_vga_palette_write (i, colors[i].r, colors[i].g, colors[i].b);
}
void
grub_qemu_init_cirrus (void)
{
auto int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid);
int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused)))
{
grub_pci_address_t addr;
grub_uint32_t class;
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
class = grub_pci_read (addr);
if (((class >> 16) & 0xffff) != 0x0300)
return 0;
/* FIXME: chooose addresses dynamically. */
addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
grub_pci_write (addr, 0xf0000000 | GRUB_PCI_ADDR_MEM_PREFETCH
| GRUB_PCI_ADDR_SPACE_MEMORY | GRUB_PCI_ADDR_MEM_TYPE_32);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG1);
grub_pci_write (addr, 0xf2000000
| GRUB_PCI_ADDR_SPACE_MEMORY | GRUB_PCI_ADDR_MEM_TYPE_32);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
grub_pci_write (addr, GRUB_PCI_REG_STATUS_MEMORY_ENABLE
| GRUB_PCI_REG_STATUS_IO_ENABLE);
return 1;
}
grub_pci_iterate (find_card);
grub_outb (1, 0x3c2);
load_font ();
grub_vga_gr_write (GRUB_VGA_GR_GR6_MMAP_CGA, GRUB_VGA_GR_GR6);
grub_vga_gr_write (GRUB_VGA_GR_MODE_ODD_EVEN, GRUB_VGA_GR_MODE);
grub_vga_sr_write (GRUB_VGA_SR_MEMORY_MODE_NORMAL, GRUB_VGA_SR_MEMORY_MODE);
grub_vga_sr_write ((1 << GRUB_VGA_TEXT_TEXT_PLANE)
| (1 << GRUB_VGA_TEXT_ATTR_PLANE),
GRUB_VGA_SR_MAP_MASK_REGISTER);
grub_vga_cr_write (15, GRUB_VGA_CR_CELL_HEIGHT);
grub_vga_cr_write (79, GRUB_VGA_CR_WIDTH);
grub_vga_cr_write (40, GRUB_VGA_CR_PITCH);
int vert = 25 * 16;
grub_vga_cr_write (vert & 0xff, GRUB_VGA_CR_HEIGHT);
grub_vga_cr_write (((vert >> GRUB_VGA_CR_OVERFLOW_HEIGHT1_SHIFT)
& GRUB_VGA_CR_OVERFLOW_HEIGHT1_MASK)
| ((vert >> GRUB_VGA_CR_OVERFLOW_HEIGHT2_SHIFT)
& GRUB_VGA_CR_OVERFLOW_HEIGHT2_MASK),
GRUB_VGA_CR_OVERFLOW);
load_palette ();
grub_outb (0x10, 0x3c0);
grub_outb (0, 0x3c1);
grub_outb (0x14, 0x3c0);
grub_outb (0, 0x3c1);
grub_vga_sr_write (GRUB_VGA_SR_CLOCKING_MODE_8_DOT_CLOCK,
GRUB_VGA_SR_CLOCKING_MODE);
grub_vga_cr_write (14, GRUB_VGA_CR_CURSOR_START);
grub_vga_cr_write (15, GRUB_VGA_CR_CURSOR_END);
grub_outb (0x20, 0x3c0);
}