Merge mainline into newreloc
This commit is contained in:
Vladimir 'phcoder' Serbinenko
commit
2a1d16154d
160 changed files with 6853 additions and 2250 deletions
152
kern/i386/qemu/init.c
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152
kern/i386/qemu/init.c
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2010 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/pci.h>
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#include <grub/machine/kernel.h>
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#include <grub/misc.h>
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#include <grub/vga.h>
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static struct {grub_uint8_t r, g, b, a; } colors[] =
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{
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// {R, G, B, A}
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{0x00, 0x00, 0x00, 0xFF}, // 0 = black
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{0x00, 0x00, 0xA8, 0xFF}, // 1 = blue
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{0x00, 0xA8, 0x00, 0xFF}, // 2 = green
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{0x00, 0xA8, 0xA8, 0xFF}, // 3 = cyan
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{0xA8, 0x00, 0x00, 0xFF}, // 4 = red
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{0xA8, 0x00, 0xA8, 0xFF}, // 5 = magenta
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{0xA8, 0x54, 0x00, 0xFF}, // 6 = brown
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{0xA8, 0xA8, 0xA8, 0xFF}, // 7 = light gray
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{0x54, 0x54, 0x54, 0xFF}, // 8 = dark gray
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{0x54, 0x54, 0xFE, 0xFF}, // 9 = bright blue
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{0x54, 0xFE, 0x54, 0xFF}, // 10 = bright green
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{0x54, 0xFE, 0xFE, 0xFF}, // 11 = bright cyan
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{0xFE, 0x54, 0x54, 0xFF}, // 12 = bright red
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{0xFE, 0x54, 0xFE, 0xFF}, // 13 = bright magenta
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{0xFE, 0xFE, 0x54, 0xFF}, // 14 = yellow
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{0xFE, 0xFE, 0xFE, 0xFF} // 15 = white
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};
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#include <ascii.h>
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static void
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load_font (void)
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{
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unsigned i;
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grub_vga_gr_write (0 << 2, GRUB_VGA_GR_GR6);
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grub_vga_sr_write (GRUB_VGA_SR_MEMORY_MODE_NORMAL, GRUB_VGA_SR_MEMORY_MODE);
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grub_vga_sr_write (1 << GRUB_VGA_TEXT_FONT_PLANE,
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GRUB_VGA_SR_MAP_MASK_REGISTER);
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grub_vga_gr_write (0, GRUB_VGA_GR_DATA_ROTATE);
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grub_vga_gr_write (0, GRUB_VGA_GR_MODE);
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grub_vga_gr_write (0xff, GRUB_VGA_GR_BITMASK);
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for (i = 0; i < 128; i++)
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grub_memcpy ((void *) (0xa0000 + 32 * i), ascii_bitmaps + 16 * (0x7f - i), 16);
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}
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static void
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load_palette (void)
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{
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unsigned i;
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for (i = 0; i < 16; i++)
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{
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grub_outb (i, GRUB_VGA_IO_ARX);
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grub_outb (i, GRUB_VGA_IO_ARX);
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}
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for (i = 0; i < ARRAY_SIZE (colors); i++)
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grub_vga_palette_write (i, colors[i].r, colors[i].g, colors[i].b);
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}
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void
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grub_qemu_init_cirrus (void)
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{
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auto int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid);
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int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused)))
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{
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grub_pci_address_t addr;
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grub_uint32_t class;
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addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
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class = grub_pci_read (addr);
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if (((class >> 16) & 0xffff) != 0x0300)
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return 0;
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/* FIXME: chooose addresses dynamically. */
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addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
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grub_pci_write (addr, 0xf0000000 | GRUB_PCI_ADDR_MEM_PREFETCH
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| GRUB_PCI_ADDR_SPACE_MEMORY | GRUB_PCI_ADDR_MEM_TYPE_32);
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addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG1);
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grub_pci_write (addr, 0xf2000000
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| GRUB_PCI_ADDR_SPACE_MEMORY | GRUB_PCI_ADDR_MEM_TYPE_32);
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addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
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grub_pci_write (addr, GRUB_PCI_COMMAND_MEM_ENABLED
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| GRUB_PCI_COMMAND_IO_ENABLED);
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return 1;
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}
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grub_pci_iterate (find_card);
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grub_outb (1, 0x3c2);
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load_font ();
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grub_vga_gr_write (GRUB_VGA_GR_GR6_MMAP_CGA, GRUB_VGA_GR_GR6);
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grub_vga_gr_write (GRUB_VGA_GR_MODE_ODD_EVEN, GRUB_VGA_GR_MODE);
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grub_vga_sr_write (GRUB_VGA_SR_MEMORY_MODE_NORMAL, GRUB_VGA_SR_MEMORY_MODE);
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grub_vga_sr_write ((1 << GRUB_VGA_TEXT_TEXT_PLANE)
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| (1 << GRUB_VGA_TEXT_ATTR_PLANE),
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GRUB_VGA_SR_MAP_MASK_REGISTER);
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grub_vga_cr_write (15, GRUB_VGA_CR_CELL_HEIGHT);
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grub_vga_cr_write (79, GRUB_VGA_CR_WIDTH);
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grub_vga_cr_write (40, GRUB_VGA_CR_PITCH);
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int vert = 25 * 16;
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grub_vga_cr_write (vert & 0xff, GRUB_VGA_CR_HEIGHT);
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grub_vga_cr_write (((vert >> GRUB_VGA_CR_OVERFLOW_HEIGHT1_SHIFT)
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& GRUB_VGA_CR_OVERFLOW_HEIGHT1_MASK)
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| ((vert >> GRUB_VGA_CR_OVERFLOW_HEIGHT2_SHIFT)
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& GRUB_VGA_CR_OVERFLOW_HEIGHT2_MASK),
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GRUB_VGA_CR_OVERFLOW);
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load_palette ();
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grub_outb (0x10, 0x3c0);
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grub_outb (0, 0x3c1);
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grub_outb (0x14, 0x3c0);
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grub_outb (0, 0x3c1);
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grub_vga_sr_write (GRUB_VGA_SR_CLOCKING_MODE_8_DOT_CLOCK,
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GRUB_VGA_SR_CLOCKING_MODE);
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grub_vga_cr_write (14, GRUB_VGA_CR_CURSOR_START);
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grub_vga_cr_write (15, GRUB_VGA_CR_CURSOR_END);
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grub_outb (0x20, 0x3c0);
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}
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@ -27,21 +27,37 @@
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#define QEMU_CMOS_MEMSIZE_HIGH 0x35
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#define QEMU_CMOS_MEMSIZE_LOW 0x34
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#define QEMU_CMOS_MEMSIZE2_HIGH 0x31
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#define QEMU_CMOS_MEMSIZE2_LOW 0x30
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#define min(a,b) ((a) > (b) ? (b) : (a))
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extern char _start[];
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extern char _end[];
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grub_size_t grub_lower_mem, grub_upper_mem;
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grub_uint64_t mem_size;
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static grub_uint64_t mem_size, above_4g;
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void
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grub_machine_mmap_init ()
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{
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mem_size = grub_cmos_read (QEMU_CMOS_MEMSIZE_HIGH) << 24 | grub_cmos_read (QEMU_CMOS_MEMSIZE_LOW) << 16;
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mem_size = ((grub_uint64_t) grub_cmos_read (QEMU_CMOS_MEMSIZE_HIGH)) << 24
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| ((grub_uint64_t) grub_cmos_read (QEMU_CMOS_MEMSIZE_LOW)) << 16;
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if (mem_size > 0)
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{
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/* Don't ask... */
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mem_size += (16 * 1024 * 1024);
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}
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else
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{
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mem_size
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= ((((grub_uint64_t) grub_cmos_read (QEMU_CMOS_MEMSIZE2_HIGH)) << 18)
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| ((grub_uint64_t) (grub_cmos_read (QEMU_CMOS_MEMSIZE2_LOW)) << 10))
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+ 1024 * 1024;
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}
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/* Don't ask... */
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mem_size += (16 * 1024 * 1024);
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above_4g = (((grub_uint64_t) grub_cmos_read (0x5b)) << 16)
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| (((grub_uint64_t) grub_cmos_read (0x5c)) << 24)
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| (((grub_uint64_t) grub_cmos_read (0x5d)) << 32);
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}
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grub_err_t
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@ -62,6 +78,12 @@ grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uin
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GRUB_MACHINE_MEMORY_RESERVED))
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return 1;
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/* Everything else is free. */
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if (hook (0x100000,
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min (mem_size, (grub_uint32_t) -GRUB_BOOT_MACHINE_SIZE) - 0x100000,
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GRUB_MACHINE_MEMORY_AVAILABLE))
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return 1;
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/* Protect boot.img, which contains the gdt. It is mapped at the top of memory
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(it is also mapped below 0x100000, but we already reserved that area). */
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if (hook ((grub_uint32_t) -GRUB_BOOT_MACHINE_SIZE,
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@ -69,10 +91,8 @@ grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uin
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GRUB_MACHINE_MEMORY_RESERVED))
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return 1;
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/* Everything else is free. */
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if (hook (0x100000,
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min (mem_size, (grub_uint32_t) -GRUB_BOOT_MACHINE_SIZE) - 0x100000,
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GRUB_MACHINE_MEMORY_AVAILABLE))
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if (above_4g != 0 && hook (0x100000000ULL, above_4g,
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GRUB_MACHINE_MEMORY_AVAILABLE))
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return 1;
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return 0;
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