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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-07-02 19:35:07 +02:00
commit e8d0a8f85c
271 changed files with 14187 additions and 16216 deletions
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10
kern/i386/coreboot/init.c
View file

@ -22,7 +22,6 @@
#include <grub/machine/init.h>
#include <grub/machine/memory.h>
#include <grub/machine/console.h>
#include <grub/machine/kernel.h>
#include <grub/types.h>
#include <grub/err.h>
#include <grub/dl.h>
@ -33,8 +32,10 @@
#include <grub/time.h>
#include <grub/symbol.h>
#include <grub/cpu/io.h>
#include <grub/cpu/kernel.h>
#include <grub/cpu/tsc.h>
#ifdef GRUB_MACHINE_QEMU
#include <grub/machine/kernel.h>
#endif
#define GRUB_FLOPPY_REG_DIGITAL_OUTPUT 0x3f2
@ -70,6 +71,9 @@ 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 ();
@ -146,6 +150,6 @@ grub_arch_modules_addr (void)
#ifdef GRUB_MACHINE_QEMU
return grub_core_entry_addr + grub_kernel_image_size;
#else
return ALIGN_UP((grub_addr_t) _end, GRUB_MOD_ALIGN);
return ALIGN_UP((grub_addr_t) _end, GRUB_KERNEL_MACHINE_MOD_ALIGN);
#endif
}

6
kern/i386/coreboot/startup.S
View file

@ -19,7 +19,7 @@
#include <grub/symbol.h>
#include <grub/machine/memory.h>
#include <grub/cpu/linux.h>
#include <grub/cpu/kernel.h>
#include <grub/offsets.h>
#include <multiboot.h>
#include <multiboot2.h>
@ -42,7 +42,7 @@ _start:
* This is a special data area at a fixed offset from the beginning.
*/
. = _start + GRUB_KERNEL_CPU_PREFIX
. = _start + GRUB_KERNEL_MACHINE_PREFIX
VARIABLE(grub_prefix)
/* to be filled by grub-mkimage */
@ -51,7 +51,7 @@ VARIABLE(grub_prefix)
* Leave some breathing room for the prefix.
*/
. = _start + GRUB_KERNEL_CPU_DATA_END
. = _start + GRUB_KERNEL_MACHINE_DATA_END
/*
* Support for booting GRUB from a Multiboot boot loader (e.g. GRUB itself).

5
kern/i386/ieee1275/startup.S
View file

@ -19,7 +19,6 @@
#include <grub/symbol.h>
#include <grub/machine/memory.h>
#include <grub/cpu/linux.h>
#include <grub/cpu/kernel.h>
#include <multiboot.h>
#include <multiboot2.h>
@ -43,7 +42,7 @@ _start:
* This is a special data area at a fixed offset from the beginning.
*/
. = _start + GRUB_KERNEL_CPU_PREFIX
. = _start + GRUB_KERNEL_MACHINE_PREFIX
VARIABLE(grub_prefix)
/* to be filled by grub-mkimage */
@ -52,7 +51,7 @@ VARIABLE(grub_prefix)
* Leave some breathing room for the prefix.
*/
. = _start + GRUB_KERNEL_CPU_DATA_END
. = _start + GRUB_KERNEL_MACHINE_DATA_END
codestart:
movl %eax, EXT_C(grub_ieee1275_entry_fn)

12
kern/i386/pc/init.c
View file

@ -75,14 +75,22 @@ make_install_device (void)
ptr += grub_strlen (ptr);
if (grub_install_bsd_part >= 0)
grub_snprintf (ptr, sizeof (dev) - (ptr - dev), ",%c",
grub_install_bsd_part + 'a');
grub_snprintf (ptr, sizeof (dev) - (ptr - dev), ",%u",
grub_install_bsd_part + 1);
ptr += grub_strlen (ptr);
}
grub_snprintf (ptr, sizeof (dev) - (ptr - dev), ")%s", grub_prefix);
grub_strcpy (grub_prefix, dev);
}
else if (grub_prefix[1] == ',' || grub_prefix[1] == ')')
{
/* We have a prefix, but still need to fill in the boot drive. */
grub_snprintf (dev, sizeof (dev),
"(%cd%u%s", (grub_boot_drive & 0x80) ? 'h' : 'f',
grub_boot_drive & 0x7f, grub_prefix + 1);
grub_strcpy (grub_prefix, dev);
}
return grub_prefix;
}

5
kern/i386/pc/mmap.c
View file

@ -20,6 +20,7 @@
#include <grub/machine/memory.h>
#include <grub/err.h>
#include <grub/types.h>
#include <grub/misc.h>
grub_err_t
grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uint64_t, grub_uint32_t))
@ -28,6 +29,8 @@ grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uin
struct grub_machine_mmap_entry *entry
= (struct grub_machine_mmap_entry *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR;
grub_memset (entry, 0, sizeof (entry));
/* Check if grub_get_mmap_entry works. */
cont = grub_get_mmap_entry (entry, 0);
@ -43,6 +46,8 @@ grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uin
if (! cont)
break;
grub_memset (entry, 0, sizeof (entry));
cont = grub_get_mmap_entry (entry, cont);
}
while (entry->size);

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_COMMAND_MEM_ENABLED
| GRUB_PCI_COMMAND_IO_ENABLED);
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);
}

38
kern/i386/qemu/mmap.c
View file

@ -27,21 +27,37 @@
#define QEMU_CMOS_MEMSIZE_HIGH 0x35
#define QEMU_CMOS_MEMSIZE_LOW 0x34
#define QEMU_CMOS_MEMSIZE2_HIGH 0x31
#define QEMU_CMOS_MEMSIZE2_LOW 0x30
#define min(a,b) ((a) > (b) ? (b) : (a))
extern char _start[];
extern char _end[];
grub_size_t grub_lower_mem, grub_upper_mem;
grub_uint64_t mem_size;
static grub_uint64_t mem_size, above_4g;
void
grub_machine_mmap_init ()
{
mem_size = grub_cmos_read (QEMU_CMOS_MEMSIZE_HIGH) << 24 | grub_cmos_read (QEMU_CMOS_MEMSIZE_LOW) << 16;
mem_size = ((grub_uint64_t) grub_cmos_read (QEMU_CMOS_MEMSIZE_HIGH)) << 24
| ((grub_uint64_t) grub_cmos_read (QEMU_CMOS_MEMSIZE_LOW)) << 16;
if (mem_size > 0)
{
/* Don't ask... */
mem_size += (16 * 1024 * 1024);
}
else
{
mem_size
= ((((grub_uint64_t) grub_cmos_read (QEMU_CMOS_MEMSIZE2_HIGH)) << 18)
| ((grub_uint64_t) (grub_cmos_read (QEMU_CMOS_MEMSIZE2_LOW)) << 10))
+ 1024 * 1024;
}
/* Don't ask... */
mem_size += (16 * 1024 * 1024);
above_4g = (((grub_uint64_t) grub_cmos_read (0x5b)) << 16)
| (((grub_uint64_t) grub_cmos_read (0x5c)) << 24)
| (((grub_uint64_t) grub_cmos_read (0x5d)) << 32);
}
grub_err_t
@ -57,6 +73,12 @@ grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uin
GRUB_MACHINE_MEMORY_RESERVED))
return 1;
/* Everything else is free. */
if (hook (0x100000,
min (mem_size, (grub_uint32_t) -GRUB_BOOT_MACHINE_SIZE) - 0x100000,
GRUB_MACHINE_MEMORY_AVAILABLE))
return 1;
/* Protect boot.img, which contains the gdt. It is mapped at the top of memory
(it is also mapped below 0x100000, but we already reserved that area). */
if (hook ((grub_uint32_t) -GRUB_BOOT_MACHINE_SIZE,
@ -64,10 +86,8 @@ grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t, grub_uin
GRUB_MACHINE_MEMORY_RESERVED))
return 1;
/* Everything else is free. */
if (hook (0x100000,
min (mem_size, (grub_uint32_t) -GRUB_BOOT_MACHINE_SIZE) - 0x100000,
GRUB_MACHINE_MEMORY_AVAILABLE))
if (above_4g != 0 && hook (0x100000000ULL, above_4g,
GRUB_MACHINE_MEMORY_AVAILABLE))
return 1;
return 0;

2
kern/i386/qemu/startup.S
View file

@ -27,7 +27,7 @@
_start:
jmp codestart
. = _start + GRUB_KERNEL_MACHINE_CORE_ENTRY_ADDR
. = _start + GRUB_KERNEL_I386_QEMU_CORE_ENTRY_ADDR
VARIABLE(grub_core_entry_addr)
.long 0
VARIABLE(grub_kernel_image_size)