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merge mainline into backtrace

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-11-14 10:50:24 +01:00
commit 245f4582f9
871 changed files with 102908 additions and 16407 deletions
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160
grub-core/loader/i386/bsd.c
View file

@ -19,8 +19,8 @@
#include <grub/loader.h>
#include <grub/i386/bsd.h>
#include <grub/i386/cpuid.h>
#include <grub/machine/memory.h>
#include <grub/memory.h>
#include <grub/i386/memory.h>
#include <grub/file.h>
#include <grub/err.h>
#include <grub/dl.h>
@ -33,6 +33,10 @@
#include <grub/extcmd.h>
#include <grub/i18n.h>
#include <grub/ns8250.h>
#include <grub/bsdlabel.h>
#include <grub/crypto.h>
GRUB_MOD_LICENSE ("GPLv3+");
#include <grub/video.h>
#ifdef GRUB_MACHINE_PCBIOS
@ -65,7 +69,7 @@ static void *kern_chunk_src;
static grub_uint32_t bootflags;
static int is_elf_kernel, is_64bit;
static grub_uint32_t openbsd_root;
struct grub_relocator *relocator = NULL;
static struct grub_relocator *relocator = NULL;
static struct grub_openbsd_ramdisk_descriptor openbsd_ramdisk;
struct bsd_tag
@ -252,7 +256,7 @@ struct grub_e820_mmap
#define GRUB_E820_RESERVED 2
#define GRUB_E820_ACPI 3
#define GRUB_E820_NVS 4
#define GRUB_E820_EXEC_CODE 5
#define GRUB_E820_BADRAM 5
static void
generate_e820_mmap (grub_size_t *len, grub_size_t *cnt, void *buf)
@ -261,37 +265,30 @@ generate_e820_mmap (grub_size_t *len, grub_size_t *cnt, void *buf)
struct grub_e820_mmap *mmap = buf;
struct grub_e820_mmap prev, cur;
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t);
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
grub_memory_type_t);
int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
grub_uint32_t type)
grub_memory_type_t type)
{
cur.addr = addr;
cur.size = size;
switch (type)
{
case GRUB_MACHINE_MEMORY_AVAILABLE:
case GRUB_MEMORY_AVAILABLE:
cur.type = GRUB_E820_RAM;
break;
#ifdef GRUB_MACHINE_MEMORY_ACPI
case GRUB_MACHINE_MEMORY_ACPI:
case GRUB_MEMORY_ACPI:
cur.type = GRUB_E820_ACPI;
break;
#endif
#ifdef GRUB_MACHINE_MEMORY_NVS
case GRUB_MACHINE_MEMORY_NVS:
case GRUB_MEMORY_NVS:
cur.type = GRUB_E820_NVS;
break;
#endif
default:
#ifdef GRUB_MACHINE_MEMORY_CODE
case GRUB_MACHINE_MEMORY_CODE:
#endif
#ifdef GRUB_MACHINE_MEMORY_RESERVED
case GRUB_MACHINE_MEMORY_RESERVED:
#endif
case GRUB_MEMORY_CODE:
case GRUB_MEMORY_RESERVED:
cur.type = GRUB_E820_RESERVED;
break;
}
@ -453,7 +450,8 @@ grub_freebsd_list_modules (void)
{
struct bsd_tag *tag;
grub_printf (" %-18s %-18s%14s%14s\n", "name", "type", "addr", "size");
grub_printf (" %-18s %-18s%14s%14s\n", _("name"), _("type"), _("addr"),
_("size"));
for (tag = tags; tag; tag = tag->next)
{
@ -518,7 +516,8 @@ grub_netbsd_list_modules (void)
{
struct netbsd_module *mod;
grub_printf (" %-18s%14s%14s%14s\n", "name", "type", "addr", "size");
grub_printf (" %-18s%14s%14s%14s\n", _("name"), _("type"), _("addr"),
_("size"));
for (mod = netbsd_mods; mod; mod = mod->next)
grub_printf (" %-18s 0x%08x 0x%08x 0x%08x", mod->mod.name,
@ -528,6 +527,8 @@ grub_netbsd_list_modules (void)
/* This function would be here but it's under different license. */
#include "bsd_pagetable.c"
static grub_uint32_t freebsd_bootdev, freebsd_biosdev;
static grub_err_t
grub_freebsd_boot (void)
{
@ -535,7 +536,6 @@ grub_freebsd_boot (void)
grub_uint8_t *p, *p0;
grub_addr_t p_target;
grub_size_t p_size = 0;
grub_uint32_t bootdev, biosdev, unit, slice, part;
grub_err_t err;
grub_size_t tag_buf_len = 0;
@ -571,11 +571,7 @@ grub_freebsd_boot (void)
bi.version = FREEBSD_BOOTINFO_VERSION;
bi.length = sizeof (bi);
grub_bsd_get_device (&biosdev, &unit, &slice, &part);
bootdev = (FREEBSD_B_DEVMAGIC + ((slice + 1) << FREEBSD_B_SLICESHIFT) +
(unit << FREEBSD_B_UNITSHIFT) + (part << FREEBSD_B_PARTSHIFT));
bi.boot_device = biosdev;
bi.boot_device = freebsd_biosdev;
p_size = 0;
grub_env_iterate (iterate_env_count);
@ -748,7 +744,7 @@ grub_freebsd_boot (void)
state.ebp = stack_target;
stack[0] = entry; /* "Return" address. */
stack[1] = bootflags | FREEBSD_RB_BOOTINFO;
stack[2] = bootdev;
stack[2] = freebsd_bootdev;
stack[3] = 0;
stack[4] = 0;
stack[5] = 0;
@ -954,6 +950,88 @@ grub_netbsd_add_modules (void)
return err;
}
/*
* Adds NetBSD bootinfo bootdisk and bootwedge. The partition identified
* in these bootinfo fields is the root device.
*/
static void
grub_netbsd_add_boot_disk_and_wedge (void)
{
grub_device_t dev;
grub_disk_t disk;
grub_partition_t part;
grub_uint32_t biosdev;
grub_uint32_t partmapsector;
union {
grub_uint64_t raw[GRUB_DISK_SECTOR_SIZE / 8];
struct grub_partition_bsd_disk_label label;
} buf;
grub_uint8_t *hash;
grub_uint64_t ctx[(GRUB_MD_MD5->contextsize + 7) / 8];
dev = grub_device_open (0);
if (! (dev && dev->disk && dev->disk->partition))
goto fail;
disk = dev->disk;
part = disk->partition;
if (disk->dev && disk->dev->id == GRUB_DISK_DEVICE_BIOSDISK_ID)
biosdev = (grub_uint32_t) disk->id & 0xff;
else
biosdev = 0xff;
/* Absolute sector of the partition map describing this partition. */
partmapsector = grub_partition_get_start (part->parent) + part->offset;
disk->partition = part->parent;
if (grub_disk_read (disk, part->offset, 0, GRUB_DISK_SECTOR_SIZE, buf.raw)
!= GRUB_ERR_NONE)
goto fail;
disk->partition = part;
/* Fill bootwedge. */
{
struct grub_netbsd_btinfo_bootwedge biw;
grub_memset (&biw, 0, sizeof (biw));
biw.biosdev = biosdev;
biw.startblk = grub_partition_get_start (part);
biw.nblks = part->len;
biw.matchblk = partmapsector;
biw.matchnblks = 1;
GRUB_MD_MD5->init (&ctx);
GRUB_MD_MD5->write (&ctx, buf.raw, GRUB_DISK_SECTOR_SIZE);
GRUB_MD_MD5->final (&ctx);
hash = GRUB_MD_MD5->read (&ctx);
memcpy (biw.matchhash, hash, 16);
grub_bsd_add_meta (NETBSD_BTINFO_BOOTWEDGE, &biw, sizeof (biw));
}
/* Fill bootdisk if this a NetBSD disk label. */
if (part->partmap != NULL &&
(grub_strcmp (part->partmap->name, "netbsd") == 0) &&
buf.label.magic == grub_cpu_to_le32 (GRUB_PC_PARTITION_BSD_LABEL_MAGIC))
{
struct grub_netbsd_btinfo_bootdisk bid;
grub_memset (&bid, 0, sizeof (bid));
bid.labelsector = partmapsector;
bid.label.type = buf.label.type;
bid.label.checksum = buf.label.checksum;
memcpy (bid.label.packname, buf.label.packname, 16);
bid.biosdev = biosdev;
bid.partition = part->number;
grub_bsd_add_meta (NETBSD_BTINFO_BOOTDISK, &bid, sizeof (bid));
}
fail:
if (dev)
grub_device_close (dev);
}
static grub_err_t
grub_netbsd_boot (void)
{
@ -974,7 +1052,7 @@ grub_netbsd_boot (void)
if (err)
{
grub_print_error ();
grub_printf ("Booting however\n");
grub_puts_ (N_("Booting in blind mode"));
grub_errno = GRUB_ERR_NONE;
}
@ -1330,6 +1408,11 @@ grub_bsd_load (int argc, char *argv[])
goto fail;
relocator = grub_relocator_new ();
if (!relocator)
{
grub_file_close (file);
goto fail;
}
elf = grub_elf_file (file);
if (elf)
@ -1351,7 +1434,7 @@ grub_bsd_load (int argc, char *argv[])
fail:
if (grub_errno != GRUB_ERR_NONE)
grub_dl_unref (my_mod);
grub_dl_unref (my_mod);
return grub_errno;
}
@ -1378,6 +1461,8 @@ grub_cmd_freebsd (grub_extcmd_context_t ctxt, int argc, char *argv[])
if (grub_bsd_load (argc, argv) == GRUB_ERR_NONE)
{
grub_uint32_t unit, slice, part;
kern_end = ALIGN_PAGE (kern_end);
if (is_elf_kernel)
{
@ -1421,6 +1506,10 @@ grub_cmd_freebsd (grub_extcmd_context_t ctxt, int argc, char *argv[])
if (err)
return err;
}
grub_bsd_get_device (&freebsd_biosdev, &unit, &slice, &part);
freebsd_bootdev = (FREEBSD_B_DEVMAGIC + ((slice + 1) << FREEBSD_B_SLICESHIFT) +
(unit << FREEBSD_B_UNITSHIFT) + (part << FREEBSD_B_PARTSHIFT));
grub_loader_set (grub_freebsd_boot, grub_bsd_unload, 0);
}
@ -1566,6 +1655,9 @@ grub_cmd_netbsd (grub_extcmd_context_t ctxt, int argc, char *argv[])
grub_memset (&serial, 0, sizeof (serial));
grub_strcpy (serial.devname, "com");
serial.addr = grub_ns8250_hw_get_port (0);
serial.speed = 9600;
if (ctxt->state[NETBSD_SERIAL_ARG].arg)
{
ptr = ctxt->state[NETBSD_SERIAL_ARG].arg;
@ -1588,7 +1680,7 @@ grub_cmd_netbsd (grub_extcmd_context_t ctxt, int argc, char *argv[])
return grub_errno;
}
}
grub_bsd_add_meta (NETBSD_BTINFO_CONSOLE, &serial, sizeof (serial));
}
else
@ -1601,6 +1693,8 @@ grub_cmd_netbsd (grub_extcmd_context_t ctxt, int argc, char *argv[])
grub_bsd_add_meta (NETBSD_BTINFO_CONSOLE, &cons, sizeof (cons));
}
grub_netbsd_add_boot_disk_and_wedge ();
grub_loader_set (grub_netbsd_boot, grub_bsd_unload, 0);
}
@ -1615,7 +1709,7 @@ grub_cmd_freebsd_loadenv (grub_command_t cmd __attribute__ ((unused)),
char *buf = 0, *curr, *next;
int len;
if (kernel_type == KERNEL_TYPE_NONE)
if (! grub_loader_is_loaded ())
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"you need to load the kernel first");
@ -1848,7 +1942,7 @@ grub_cmd_freebsd_module_elf (grub_command_t cmd __attribute__ ((unused)),
grub_file_t file = 0;
grub_err_t err;
if (kernel_type == KERNEL_TYPE_NONE)
if (! grub_loader_is_loaded ())
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"you need to load the kernel first");
@ -1969,7 +2063,7 @@ GRUB_MOD_INIT (bsd)
cmd_openbsd_ramdisk = grub_register_command ("kopenbsd_ramdisk",
grub_cmd_openbsd_ramdisk, 0,
"Load kOpenBSD ramdisk. ");
N_("Load kOpenBSD ramdisk."));
my_mod = mod;
}

13
grub-core/loader/i386/bsdXX.c
View file

@ -195,6 +195,11 @@ SUFFIX (grub_freebsd_load_elfmodule) (struct grub_relocator *relocator,
chunk_size = s->sh_addr + s->sh_size;
}
if (chunk_size < sizeof (e))
chunk_size = sizeof (e);
chunk_size += e.e_phnum * e.e_phentsize;
chunk_size += e.e_shnum * e.e_shentsize;
{
grub_relocator_chunk_t ch;
@ -394,12 +399,10 @@ SUFFIX (grub_netbsd_load_elf_meta) (struct grub_relocator *relocator,
grub_err_t err;
Elf_Ehdr e;
Elf_Shdr *s, *symsh, *strsh;
char *shdr;
char *shdr = NULL;
unsigned symsize, strsize;
Elf_Sym *sym;
void *sym_chunk;
grub_uint8_t *curload;
const char *str;
grub_size_t chunk_size;
Elf_Ehdr *e2;
struct grub_netbsd_btinfo_symtab symtab;
@ -473,7 +476,6 @@ SUFFIX (grub_netbsd_load_elf_meta) (struct grub_relocator *relocator,
if (grub_file_seek (file, symsh->sh_offset) == (grub_off_t) -1)
return grub_errno;
sym = (Elf_Sym *) curload;
if (grub_file_read (file, curload, symsize) != (grub_ssize_t) symsize)
{
if (! grub_errno)
@ -484,7 +486,6 @@ SUFFIX (grub_netbsd_load_elf_meta) (struct grub_relocator *relocator,
if (grub_file_seek (file, strsh->sh_offset) == (grub_off_t) -1)
return grub_errno;
str = (char *) curload;
if (grub_file_read (file, curload, strsize) != (grub_ssize_t) strsize)
{
if (! grub_errno)
@ -515,7 +516,7 @@ SUFFIX(grub_openbsd_find_ramdisk) (grub_file_t file,
grub_err_t err;
Elf_Ehdr e;
Elf_Shdr *s;
char *shdr;
char *shdr = NULL;
err = read_headers (file, &e, &shdr);
if (err)

3
grub-core/loader/i386/bsd_pagetable.c
View file

@ -53,7 +53,7 @@ static void
fill_bsd64_pagetable (grub_uint8_t *src, grub_addr_t target)
{
grub_uint64_t *pt2, *pt3, *pt4;
grub_addr_t pt2t, pt3t, pt4t;
grub_addr_t pt2t, pt3t;
int i;
#define PG_V 0x001
@ -65,7 +65,6 @@ fill_bsd64_pagetable (grub_uint8_t *src, grub_addr_t target)
pt3 = (grub_uint64_t *) (src + 4096);
pt2 = (grub_uint64_t *) (src + 8192);
pt4t = target;
pt3t = target + 4096;
pt2t = target + 8192;

145
grub-core/loader/i386/coreboot/chainloader.c Normal file
View file

@ -0,0 +1,145 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2011 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/loader.h>
#include <grub/memory.h>
#include <grub/i386/memory.h>
#include <grub/file.h>
#include <grub/err.h>
#include <grub/dl.h>
#include <grub/mm.h>
#include <grub/elfload.h>
#include <grub/video.h>
#include <grub/relocator.h>
#include <grub/i386/relocator.h>
#include <grub/command.h>
#include <grub/i18n.h>
GRUB_MOD_LICENSE ("GPLv3+");
static grub_addr_t entry;
static struct grub_relocator *relocator = NULL;
static grub_err_t
grub_chain_boot (void)
{
struct grub_relocator32_state state;
grub_video_set_mode ("text", 0, 0);
state.eip = entry;
return grub_relocator32_boot (relocator, state);
}
static grub_err_t
grub_chain_unload (void)
{
grub_relocator_unload (relocator);
relocator = NULL;
return GRUB_ERR_NONE;
}
static grub_err_t
grub_chain_elf32_hook (Elf32_Phdr * phdr, grub_addr_t * addr, int *do_load)
{
grub_err_t err;
grub_relocator_chunk_t ch;
if (phdr->p_type != PT_LOAD)
{
*do_load = 0;
return 0;
}
*do_load = 1;
err = grub_relocator_alloc_chunk_addr (relocator, &ch,
phdr->p_paddr, phdr->p_memsz);
if (err)
return err;
*addr = (grub_addr_t) get_virtual_current_address (ch);
return GRUB_ERR_NONE;
}
static grub_err_t
grub_cmd_chain (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
grub_err_t err;
grub_file_t file;
grub_elf_t elf;
if (argc != 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "filename expected");
grub_loader_unset ();
file = grub_file_open (argv[0]);
if (!file)
return grub_errno;
relocator = grub_relocator_new ();
if (!relocator)
{
grub_file_close (file);
return grub_errno;
}
elf = grub_elf_file (file);
if (!elf)
{
grub_relocator_unload (relocator);
relocator = 0;
grub_file_close (file);
}
if (!grub_elf_is_elf32 (elf))
{
grub_relocator_unload (relocator);
relocator = 0;
grub_elf_close (elf);
}
entry = elf->ehdr.ehdr32.e_entry & 0xFFFFFF;
err = grub_elf32_load (elf, grub_chain_elf32_hook, 0, 0);
grub_elf_close (elf);
if (err)
return err;
grub_loader_set (grub_chain_boot, grub_chain_unload, 0);
return GRUB_ERR_NONE;
}
static grub_command_t cmd_chain;
GRUB_MOD_INIT (chain)
{
cmd_chain = grub_register_command ("chainloader", grub_cmd_chain,
N_("FILE"), N_("Load another payload"));
}
GRUB_MOD_FINI (chain)
{
grub_unregister_command (cmd_chain);
grub_chain_unload ();
}

426
grub-core/loader/i386/linux.c
View file

@ -17,7 +17,6 @@
*/
#include <grub/loader.h>
#include <grub/machine/memory.h>
#include <grub/memory.h>
#include <grub/normal.h>
#include <grub/file.h>
@ -34,24 +33,33 @@
#include <grub/command.h>
#include <grub/i386/relocator.h>
#include <grub/i18n.h>
#include <grub/lib/cmdline.h>
GRUB_MOD_LICENSE ("GPLv3+");
#ifdef GRUB_MACHINE_PCBIOS
#include <grub/i386/pc/vesa_modes_table.h>
#endif
#ifdef GRUB_MACHINE_EFI
#include <grub/efi/efi.h>
#define HAS_VGA_TEXT 0
#define DEFAULT_VIDEO_MODE "800x600"
#define DEFAULT_VIDEO_MODE "auto"
#define ACCEPTS_PURE_TEXT 0
#elif defined (GRUB_MACHINE_IEEE1275)
#include <grub/ieee1275/ieee1275.h>
#define HAS_VGA_TEXT 0
#define DEFAULT_VIDEO_MODE "text"
#define ACCEPTS_PURE_TEXT 1
#else
#include <grub/i386/pc/vbe.h>
#include <grub/i386/pc/console.h>
#define HAS_VGA_TEXT 1
#define DEFAULT_VIDEO_MODE "text"
#define ACCEPTS_PURE_TEXT 1
#endif
#define GRUB_LINUX_CL_OFFSET 0x1000
#define GRUB_LINUX_CL_END_OFFSET 0x2000
static grub_dl_t my_mod;
@ -68,6 +76,7 @@ static grub_uint32_t prot_mode_pages;
static grub_uint32_t initrd_pages;
static struct grub_relocator *relocator = NULL;
static void *efi_mmap_buf;
static grub_size_t maximal_cmdline_size;
#ifdef GRUB_MACHINE_EFI
static grub_efi_uintn_t efi_mmap_size;
#else
@ -89,175 +98,6 @@ static struct idt_descriptor idt_desc =
};
#endif
#ifdef GRUB_MACHINE_PCBIOS
struct linux_vesafb_res
{
grub_uint16_t width;
grub_uint16_t height;
};
struct linux_vesafb_mode
{
grub_uint8_t res_index;
grub_uint8_t depth;
};
enum vga_modes
{
VGA_320_200,
VGA_640_400,
VGA_640_480,
VGA_800_500,
VGA_800_600,
VGA_896_672,
VGA_1024_640,
VGA_1024_768,
VGA_1152_720,
VGA_1280_1024,
VGA_1440_900,
VGA_1600_1200,
};
static struct linux_vesafb_res linux_vesafb_res[] =
{
{ 320, 200 },
{ 640, 400 },
{ 640, 480 },
{ 800, 500 },
{ 800, 600 },
{ 896, 672 },
{ 1024, 640 },
{ 1024, 768 },
{ 1152, 720 },
{ 1280, 1024 },
{ 1440, 900 },
{ 1600, 1200 },
};
/* This is the reverse of the table in [linux]/Documentation/fb/vesafb.txt
plus a few more modes based on the table in
http://en.wikipedia.org/wiki/VESA_BIOS_Extensions */
struct linux_vesafb_mode linux_vesafb_modes[] =
{
{ VGA_640_400, 8 }, /* 0x300 */
{ VGA_640_480, 8 }, /* 0x301 */
{ VGA_800_600, 4 }, /* 0x302 */
{ VGA_800_600, 8 }, /* 0x303 */
{ VGA_1024_768, 4 }, /* 0x304 */
{ VGA_1024_768, 8 }, /* 0x305 */
{ VGA_1280_1024, 4 }, /* 0x306 */
{ VGA_1280_1024, 8 }, /* 0x307 */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ VGA_320_200, 15 }, /* 0x30d */
{ VGA_320_200, 16 }, /* 0x30e */
{ VGA_320_200, 24 }, /* 0x30f */
{ VGA_640_480, 15 }, /* 0x310 */
{ VGA_640_480, 16 }, /* 0x311 */
{ VGA_640_480, 24 }, /* 0x312 */
{ VGA_800_600, 15 }, /* 0x313 */
{ VGA_800_600, 16 }, /* 0x314 */
{ VGA_800_600, 24 }, /* 0x315 */
{ VGA_1024_768, 15 }, /* 0x316 */
{ VGA_1024_768, 16 }, /* 0x317 */
{ VGA_1024_768, 24 }, /* 0x318 */
{ VGA_1280_1024, 15 }, /* 0x319 */
{ VGA_1280_1024, 16 }, /* 0x31a */
{ VGA_1280_1024, 24 }, /* 0x31b */
{ VGA_1600_1200, 8 }, /* 0x31c */
{ VGA_1600_1200, 15 }, /* 0x31d */
{ VGA_1600_1200, 16 }, /* 0x31e */
{ VGA_1600_1200, 24 }, /* 0x31f */
{ 0, 0 },
{ VGA_640_400, 15 }, /* 0x321 */
{ VGA_640_400, 16 }, /* 0x322 */
{ VGA_640_400, 24 }, /* 0x323 */
{ VGA_640_400, 32 }, /* 0x324 */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ VGA_640_480, 32 }, /* 0x329 */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ VGA_896_672, 8 }, /* 0x32f */
{ VGA_896_672, 15 }, /* 0x330 */
{ VGA_896_672, 16 }, /* 0x331 */
{ VGA_896_672, 24 }, /* 0x332 */
{ VGA_896_672, 32 }, /* 0x333 */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ VGA_1600_1200, 32 }, /* 0x342 */
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ VGA_1440_900, 8 }, /* 0x360 */
{ VGA_1440_900, 15 }, /* 0x361 */
{ VGA_1440_900, 16 }, /* 0x362 */
{ VGA_1440_900, 24 }, /* 0x363 */
{ VGA_1440_900, 32 }, /* 0x364 */
{ VGA_1152_720, 8 }, /* 0x365 */
{ VGA_1152_720, 15 }, /* 0x366 */
{ VGA_1152_720, 16 }, /* 0x367 */
{ VGA_1152_720, 24 }, /* 0x368 */
{ VGA_1152_720, 32 }, /* 0x369 */
{ VGA_1024_640, 8 }, /* 0x36a */
{ VGA_1024_640, 15 }, /* 0x36b */
{ VGA_1024_640, 16 }, /* 0x36c */
{ VGA_1024_640, 24 }, /* 0x36d */
{ VGA_1024_640, 32 }, /* 0x36e */
{ VGA_800_500, 8 }, /* 0x36f */
{ VGA_800_500, 15 }, /* 0x370 */
{ VGA_800_500, 16 }, /* 0x371 */
{ VGA_800_500, 24 }, /* 0x372 */
{ VGA_800_500, 32 }, /* 0x373 */
};
#endif
static inline grub_size_t
page_align (grub_size_t size)
{
@ -290,7 +130,10 @@ find_efi_mmap_size (void)
grub_free (mmap);
if (ret < 0)
grub_fatal ("cannot get memory map");
{
grub_error (GRUB_ERR_IO, "cannot get memory map");
return 0;
}
else if (ret > 0)
break;
@ -301,7 +144,8 @@ find_efi_mmap_size (void)
later, and EFI itself may allocate more. */
mmap_size += (1 << 12);
return page_align (mmap_size);
mmap_size = page_align (mmap_size);
return mmap_size;
}
#endif
@ -312,10 +156,11 @@ find_mmap_size (void)
{
grub_size_t count = 0, mmap_size;
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t);
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
grub_memory_type_t);
int NESTED_FUNC_ATTR hook (grub_uint64_t addr __attribute__ ((unused)),
grub_uint64_t size __attribute__ ((unused)),
grub_uint32_t type __attribute__ ((unused)))
grub_memory_type_t type __attribute__ ((unused)))
{
count++;
return 0;
@ -350,12 +195,14 @@ allocate_pages (grub_size_t prot_size)
grub_err_t err;
/* Make sure that each size is aligned to a page boundary. */
real_size = GRUB_LINUX_CL_END_OFFSET;
real_size = GRUB_LINUX_CL_OFFSET + maximal_cmdline_size;
prot_size = page_align (prot_size);
mmap_size = find_mmap_size ();
#ifdef GRUB_MACHINE_EFI
efi_mmap_size = find_efi_mmap_size ();
if (efi_mmap_size == 0)
return grub_errno;
#endif
grub_dprintf ("linux", "real_size = %x, prot_size = %x, mmap_size = %x\n",
@ -379,12 +226,14 @@ allocate_pages (grub_size_t prot_size)
/* FIXME: Should request low memory from the heap when this feature is
implemented. */
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t);
int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size, grub_uint32_t type)
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
grub_memory_type_t);
int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
grub_memory_type_t type)
{
/* We must put real mode code in the traditional space. */
if (type == GRUB_MACHINE_MEMORY_AVAILABLE
if (type == GRUB_MEMORY_AVAILABLE
&& addr <= 0x90000)
{
if (addr < 0x10000)
@ -447,7 +296,7 @@ allocate_pages (grub_size_t prot_size)
return err;
}
static void
static grub_err_t
grub_e820_add_region (struct grub_e820_mmap *e820_map, int *e820_num,
grub_uint64_t start, grub_uint64_t size,
grub_uint32_t type)
@ -455,7 +304,10 @@ grub_e820_add_region (struct grub_e820_mmap *e820_map, int *e820_num,
int n = *e820_num;
if (n >= GRUB_E820_MAX_ENTRY)
grub_fatal ("Too many e820 memory map entries");
{
return grub_error (GRUB_ERR_OUT_OF_RANGE,
"Too many e820 memory map entries");
}
if ((n > 0) && (e820_map[n - 1].addr + e820_map[n - 1].size == start) &&
(e820_map[n - 1].type == type))
@ -467,6 +319,7 @@ grub_e820_add_region (struct grub_e820_mmap *e820_map, int *e820_num,
e820_map[n].type = type;
(*e820_num)++;
}
return GRUB_ERR_NONE;
}
static grub_err_t
@ -475,6 +328,13 @@ grub_linux_setup_video (struct linux_kernel_params *params)
struct grub_video_mode_info mode_info;
void *framebuffer;
grub_err_t err;
grub_video_driver_id_t driver_id;
const char *gfxlfbvar = grub_env_get ("gfxpayloadforcelfb");
driver_id = grub_video_get_driver_id ();
if (driver_id == GRUB_VIDEO_DRIVER_NONE)
return 1;
err = grub_video_get_info_and_fini (&mode_info, &framebuffer);
@ -501,12 +361,42 @@ grub_linux_setup_video (struct linux_kernel_params *params)
params->reserved_mask_size = mode_info.reserved_mask_size;
params->reserved_field_pos = mode_info.reserved_field_pos;
if (gfxlfbvar && (gfxlfbvar[0] == '1' || gfxlfbvar[0] == 'y'))
params->have_vga = GRUB_VIDEO_LINUX_TYPE_SIMPLE;
else
{
switch (driver_id)
{
case GRUB_VIDEO_DRIVER_VBE:
params->lfb_size >>= 16;
params->have_vga = GRUB_VIDEO_LINUX_TYPE_VESA;
break;
case GRUB_VIDEO_DRIVER_EFI_UGA:
case GRUB_VIDEO_DRIVER_EFI_GOP:
params->have_vga = GRUB_VIDEO_LINUX_TYPE_EFIFB;
break;
/* FIXME: check if better id is available. */
case GRUB_VIDEO_DRIVER_SM712:
case GRUB_VIDEO_DRIVER_SIS315PRO:
case GRUB_VIDEO_DRIVER_VGA:
case GRUB_VIDEO_DRIVER_CIRRUS:
case GRUB_VIDEO_DRIVER_BOCHS:
case GRUB_VIDEO_DRIVER_RADEON_FULOONG2E:
/* Make gcc happy. */
case GRUB_VIDEO_DRIVER_SDL:
case GRUB_VIDEO_DRIVER_NONE:
params->have_vga = GRUB_VIDEO_LINUX_TYPE_SIMPLE;
break;
}
}
#ifdef GRUB_MACHINE_PCBIOS
/* VESA packed modes may come with zeroed mask sizes, which need
to be set here according to DAC Palette width. If we don't,
this results in Linux displaying a black screen. */
if (mode_info.bpp <= 8)
if (driver_id == GRUB_VIDEO_DRIVER_VBE && mode_info.bpp <= 8)
{
struct grub_vbe_info_block controller_info;
int status;
@ -537,14 +427,15 @@ grub_linux_boot (void)
struct linux_kernel_params *params;
int e820_num;
grub_err_t err = 0;
char *modevar, *tmp;
const char *modevar;
char *tmp;
struct grub_relocator32_state state;
params = real_mode_mem;
#ifdef GRUB_MACHINE_IEEE1275
{
char *bootpath;
const char *bootpath;
grub_ssize_t len;
bootpath = grub_env_get ("root");
@ -559,46 +450,43 @@ grub_linux_boot (void)
grub_dprintf ("linux", "code32_start = %x\n",
(unsigned) params->code32_start);
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t);
int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size, grub_uint32_t type)
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
grub_memory_type_t);
int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
grub_memory_type_t type)
{
grub_uint32_t e820_type;
switch (type)
{
case GRUB_MACHINE_MEMORY_AVAILABLE:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_RAM);
case GRUB_MEMORY_AVAILABLE:
e820_type = GRUB_E820_RAM;
break;
#ifdef GRUB_MACHINE_MEMORY_ACPI
case GRUB_MACHINE_MEMORY_ACPI:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_ACPI);
case GRUB_MEMORY_ACPI:
e820_type = GRUB_E820_ACPI;
break;
#endif
#ifdef GRUB_MACHINE_MEMORY_NVS
case GRUB_MACHINE_MEMORY_NVS:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_NVS);
case GRUB_MEMORY_NVS:
e820_type = GRUB_E820_NVS;
break;
#endif
#ifdef GRUB_MACHINE_MEMORY_CODE
case GRUB_MACHINE_MEMORY_CODE:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_EXEC_CODE);
case GRUB_MEMORY_BADRAM:
e820_type = GRUB_E820_BADRAM;
break;
#endif
default:
grub_e820_add_region (params->e820_map, &e820_num,
addr, size, GRUB_E820_RESERVED);
e820_type = GRUB_E820_RESERVED;
}
if (grub_e820_add_region (params->e820_map, &e820_num,
addr, size, e820_type))
return 1;
return 0;
}
e820_num = 0;
grub_mmap_iterate (hook);
if (grub_mmap_iterate (hook))
return grub_errno;
params->mmap_size = e820_num;
modevar = grub_env_get ("gfxpayload");
@ -610,28 +498,30 @@ grub_linux_boot (void)
tmp = grub_xasprintf ("%s;" DEFAULT_VIDEO_MODE, modevar);
if (! tmp)
return grub_errno;
#if ACCEPTS_PURE_TEXT
err = grub_video_set_mode (tmp, 0, 0);
#else
err = grub_video_set_mode (tmp, GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0);
#endif
grub_free (tmp);
}
else
err = grub_video_set_mode (DEFAULT_VIDEO_MODE, 0, 0);
{
#if ACCEPTS_PURE_TEXT
err = grub_video_set_mode (DEFAULT_VIDEO_MODE, 0, 0);
#else
err = grub_video_set_mode (DEFAULT_VIDEO_MODE,
GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0);
#endif
}
if (err)
{
grub_print_error ();
grub_printf ("Booting however\n");
grub_puts_ (N_("Booting in blind mode"));
grub_errno = GRUB_ERR_NONE;
}
if (! grub_linux_setup_video (params))
{
/* Use generic framebuffer unless VESA is known to be supported. */
if (params->have_vga != GRUB_VIDEO_LINUX_TYPE_VESA)
params->have_vga = GRUB_VIDEO_LINUX_TYPE_SIMPLE;
else
params->lfb_size >>= 16;
}
else
if (grub_linux_setup_video (params))
{
#if defined (GRUB_MACHINE_PCBIOS) || defined (GRUB_MACHINE_COREBOOT) || defined (GRUB_MACHINE_QEMU)
params->have_vga = GRUB_VIDEO_LINUX_TYPE_TEXT;
@ -685,6 +575,7 @@ grub_linux_boot (void)
#ifdef GRUB_MACHINE_EFI
{
grub_efi_uintn_t efi_desc_size;
grub_size_t efi_mmap_target;
grub_efi_uint32_t efi_desc_version;
err = grub_efi_finish_boot_services (&efi_mmap_size, efi_mmap_buf, NULL,
&efi_desc_size, &efi_desc_version);
@ -692,23 +583,24 @@ grub_linux_boot (void)
return err;
/* Note that no boot services are available from here. */
efi_mmap_target = real_mode_target
+ ((grub_uint8_t *) efi_mmap_buf - (grub_uint8_t *) real_mode_mem);
/* Pass EFI parameters. */
if (grub_le_to_cpu16 (params->version) >= 0x0206)
{
params->v0206.efi_mem_desc_size = efi_desc_size;
params->v0206.efi_mem_desc_version = efi_desc_version;
params->v0206.efi_mmap = (grub_uint32_t) (unsigned long) efi_mmap_buf;
params->v0206.efi_mmap = efi_mmap_target;
params->v0206.efi_mmap_size = efi_mmap_size;
#ifdef __x86_64__
params->v0206.efi_mmap_hi = (grub_uint32_t) ((grub_uint64_t) efi_mmap_buf >> 32);
params->v0206.efi_mmap_hi = (efi_mmap_target >> 32);
#endif
}
else if (grub_le_to_cpu16 (params->version) >= 0x0204)
{
params->v0204.efi_mem_desc_size = efi_desc_size;
params->v0204.efi_mem_desc_version = efi_desc_version;
params->v0204.efi_mmap = (grub_uint32_t) (unsigned long) efi_mmap_buf;
params->v0204.efi_mmap = efi_mmap_target;
params->v0204.efi_mmap_size = efi_mmap_size;
}
}
@ -742,7 +634,6 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
grub_size_t real_size, prot_size;
grub_ssize_t len;
int i;
char *dest;
grub_dl_ref (my_mod);
@ -797,6 +688,14 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
goto fail;
}
if (grub_le_to_cpu16 (lh.version) >= 0x0206)
maximal_cmdline_size = grub_le_to_cpu32 (lh.cmdline_size) + 1;
else
maximal_cmdline_size = 256;
if (maximal_cmdline_size < 128)
maximal_cmdline_size = 128;
setup_sects = lh.setup_sects;
/* If SETUP_SECTS is not set, set it to the default (4). */
@ -810,7 +709,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
goto fail;
params = (struct linux_kernel_params *) real_mode_mem;
grub_memset (params, 0, GRUB_LINUX_CL_END_OFFSET);
grub_memset (params, 0, GRUB_LINUX_CL_OFFSET + maximal_cmdline_size);
grub_memcpy (&params->setup_sects, &lh.setup_sects, sizeof (lh) - 0x1F1);
params->ps_mouse = params->padding10 = 0;
@ -822,7 +721,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
goto fail;
}
params->type_of_loader = (LINUX_LOADER_ID_GRUB << 4);
params->type_of_loader = GRUB_LINUX_BOOT_LOADER_TYPE;
/* These two are used (instead of cmd_line_ptr) by older versions of Linux,
and otherwise ignored. */
@ -882,17 +781,19 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
/* Video mode selection support. */
char *val = argv[i] + 4;
unsigned vid_mode = GRUB_LINUX_VID_MODE_NORMAL;
struct linux_vesafb_mode *linux_mode;
struct grub_vesa_mode_table_entry *linux_mode;
grub_err_t err;
char *buf;
grub_dl_load ("vbe");
if (grub_strcmp (val, "normal") == 0)
vid_mode = GRUB_LINUX_VID_MODE_NORMAL;
else if (grub_strcmp (val, "ext") == 0)
vid_mode = GRUB_LINUX_VID_MODE_EXTENDED;
else if (grub_strcmp (val, "ask") == 0)
{
grub_printf ("Legacy `ask' parameter no longer supported.\n");
grub_puts_ (N_("Legacy `ask' parameter no longer supported."));
/* We usually would never do this in a loader, but "vga=ask" means user
requested interaction, so it can't hurt to request keyboard input. */
@ -908,9 +809,9 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
case 0:
case GRUB_LINUX_VID_MODE_NORMAL:
grub_env_set ("gfxpayload", "text");
grub_printf ("%s is deprecated. "
"Use set gfxpayload=text before "
"linux command instead.\n",
grub_printf_ (N_("%s is deprecated. "
"Use set gfxpayload=text before "
"linux command instead.\n"),
argv[i]);
break;
@ -918,44 +819,37 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
case GRUB_LINUX_VID_MODE_EXTENDED:
/* FIXME: support 80x50 text. */
grub_env_set ("gfxpayload", "text");
grub_printf ("%s is deprecated. "
"Use set gfxpayload=text before "
"linux command instead.\n",
grub_printf_ (N_("%s is deprecated. "
"Use set gfxpayload=text before "
"linux command instead.\n"),
argv[i]);
break;
default:
/* Ignore invalid values. */
if (vid_mode < GRUB_LINUX_VID_MODE_VESA_START ||
vid_mode >= GRUB_LINUX_VID_MODE_VESA_START +
ARRAY_SIZE (linux_vesafb_modes))
if (vid_mode < GRUB_VESA_MODE_TABLE_START ||
vid_mode > GRUB_VESA_MODE_TABLE_END)
{
grub_env_set ("gfxpayload", "text");
grub_printf ("%s is deprecated. Mode %d isn't recognized. "
"Use set gfxpayload=WIDTHxHEIGHT[xDEPTH] before "
"linux command instead.\n",
grub_printf_ (N_("%s is deprecated. Mode %d isn't recognized. "
"Use set gfxpayload=WIDTHxHEIGHT[xDEPTH] "
"before linux command instead.\n"),
argv[i], vid_mode);
break;
}
/* We can't detect VESA, but user is implicitly telling us that it
is built-in because `vga=' parameter was used. */
params->have_vga = GRUB_VIDEO_LINUX_TYPE_VESA;
linux_mode
= &linux_vesafb_modes[vid_mode - GRUB_LINUX_VID_MODE_VESA_START];
linux_mode = &grub_vesa_mode_table[vid_mode
- GRUB_VESA_MODE_TABLE_START];
buf = grub_xasprintf ("%ux%ux%u,%ux%u",
linux_vesafb_res[linux_mode->res_index].width,
linux_vesafb_res[linux_mode->res_index].height,
linux_mode->width, linux_mode->height,
linux_mode->depth,
linux_vesafb_res[linux_mode->res_index].width,
linux_vesafb_res[linux_mode->res_index].height);
linux_mode->width, linux_mode->height);
if (! buf)
goto fail;
grub_printf ("%s is deprecated. "
"Use set gfxpayload=%s before "
"linux command instead.\n",
grub_printf_ (N_("%s is deprecated. "
"Use set gfxpayload=%s before "
"linux command instead.\n"),
argv[i], buf);
err = grub_env_set ("gfxpayload", buf);
grub_free (buf);
@ -1004,22 +898,14 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
params->loadflags |= GRUB_LINUX_FLAG_QUIET;
}
/* Specify the boot file. */
dest = grub_stpcpy ((char *) real_mode_mem + GRUB_LINUX_CL_OFFSET,
"BOOT_IMAGE=");
dest = grub_stpcpy (dest, argv[0]);
/* Copy kernel parameters. */
for (i = 1;
i < argc
&& dest + grub_strlen (argv[i]) + 1 < ((char *) real_mode_mem
+ GRUB_LINUX_CL_END_OFFSET);
i++)
{
*dest++ = ' ';
dest = grub_stpcpy (dest, argv[i]);
}
/* Create kernel command line. */
grub_memcpy ((char *)real_mode_mem + GRUB_LINUX_CL_OFFSET, LINUX_IMAGE,
sizeof (LINUX_IMAGE));
grub_create_loader_cmdline (argc, argv,
(char *)real_mode_mem + GRUB_LINUX_CL_OFFSET
+ sizeof (LINUX_IMAGE) - 1,
maximal_cmdline_size
- (sizeof (LINUX_IMAGE) - 1));
len = prot_size;
if (grub_file_read (file, prot_mode_mem, len) != len)

208
grub-core/loader/i386/multiboot_mbi.c
View file

@ -16,10 +16,11 @@
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/machine/memory.h>
#include <grub/memory.h>
#ifdef GRUB_MACHINE_PCBIOS
#include <grub/machine/biosnum.h>
#include <grub/machine/apm.h>
#include <grub/machine/memory.h>
#endif
#include <grub/multiboot.h>
#include <grub/cpu/relocator.h>
@ -32,6 +33,7 @@
#include <grub/relocator.h>
#include <grub/video.h>
#include <grub/file.h>
#include <grub/net.h>
/* The bits in the required part of flags field we don't support. */
#define UNSUPPORTED_FLAGS 0x0000fff8
@ -45,7 +47,7 @@ struct module
int cmdline_size;
};
struct module *modules, *modules_last;
static struct module *modules, *modules_last;
static grub_size_t cmdline_size;
static grub_size_t total_modcmd;
static unsigned modcnt;
@ -140,7 +142,7 @@ grub_multiboot_load (grub_file_t file)
}
if (header->bss_end_addr)
grub_memset ((grub_uint32_t *) source + load_size, 0,
grub_memset ((grub_uint8_t *) source + load_size, 0,
header->bss_end_addr - header->load_addr - load_size);
grub_multiboot_payload_eip = header->entry_addr;
@ -186,15 +188,36 @@ grub_multiboot_load (grub_file_t file)
return err;
}
#if GRUB_MACHINE_HAS_VBE || GRUB_MACHINE_HAS_VGA_TEXT
#include <grub/i386/pc/vbe.h>
#endif
static grub_size_t
grub_multiboot_get_mbi_size (void)
{
return sizeof (struct multiboot_info) + ALIGN_UP (cmdline_size, 4)
grub_size_t ret;
struct grub_net_network_level_interface *net;
ret = sizeof (struct multiboot_info) + ALIGN_UP (cmdline_size, 4)
+ modcnt * sizeof (struct multiboot_mod_list) + total_modcmd
+ ALIGN_UP (sizeof(PACKAGE_STRING), 4)
+ grub_get_multiboot_mmap_count () * sizeof (struct multiboot_mmap_entry)
+ elf_sec_entsize * elf_sec_num
+ 256 * sizeof (struct multiboot_color);
+ 256 * sizeof (struct multiboot_color)
#if GRUB_MACHINE_HAS_VBE || GRUB_MACHINE_HAS_VGA_TEXT
+ sizeof (struct grub_vbe_info_block)
+ sizeof (struct grub_vbe_mode_info_block)
#endif
+ ALIGN_UP (sizeof (struct multiboot_apm_info), 4);
FOR_NET_NETWORK_LEVEL_INTERFACES(net)
if (net->dhcp_ack)
{
ret += net->dhcp_acklen;
break;
}
return ret;
}
/* Fill previously allocated Multiboot mmap. */
@ -203,28 +226,30 @@ grub_fill_multiboot_mmap (struct multiboot_mmap_entry *first_entry)
{
struct multiboot_mmap_entry *mmap_entry = (struct multiboot_mmap_entry *) first_entry;
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t);
int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size, grub_uint32_t type)
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t,
grub_memory_type_t);
int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size,
grub_memory_type_t type)
{
mmap_entry->addr = addr;
mmap_entry->len = size;
switch (type)
{
case GRUB_MACHINE_MEMORY_AVAILABLE:
case GRUB_MEMORY_AVAILABLE:
mmap_entry->type = MULTIBOOT_MEMORY_AVAILABLE;
break;
#ifdef GRUB_MACHINE_MEMORY_ACPI_RECLAIMABLE
case GRUB_MACHINE_MEMORY_ACPI_RECLAIMABLE:
case GRUB_MEMORY_ACPI:
mmap_entry->type = MULTIBOOT_MEMORY_ACPI_RECLAIMABLE;
break;
#endif
#ifdef GRUB_MACHINE_MEMORY_NVS
case GRUB_MACHINE_MEMORY_NVS:
case GRUB_MEMORY_NVS:
mmap_entry->type = MULTIBOOT_MEMORY_NVS;
break;
#endif
case GRUB_MEMORY_BADRAM:
mmap_entry->type = MULTIBOOT_MEMORY_BADRAM;
break;
default:
mmap_entry->type = MULTIBOOT_MEMORY_RESERVED;
@ -239,6 +264,90 @@ grub_fill_multiboot_mmap (struct multiboot_mmap_entry *first_entry)
grub_mmap_iterate (hook);
}
#if GRUB_MACHINE_HAS_VBE || GRUB_MACHINE_HAS_VGA_TEXT
static grub_err_t
fill_vbe_info (struct multiboot_info *mbi, grub_uint8_t *ptrorig,
grub_uint32_t ptrdest, int fill_generic)
{
grub_uint32_t vbe_mode;
struct grub_vbe_mode_info_block *mode_info;
#if GRUB_MACHINE_HAS_VBE
grub_vbe_status_t status;
void *scratch = (void *) GRUB_MEMORY_MACHINE_SCRATCH_ADDR;
status = grub_vbe_bios_get_controller_info (scratch);
if (status != GRUB_VBE_STATUS_OK)
return grub_error (GRUB_ERR_IO, "Can't get controller info.");
mbi->vbe_control_info = ptrdest;
grub_memcpy (ptrorig, scratch, sizeof (struct grub_vbe_info_block));
ptrorig += sizeof (struct grub_vbe_info_block);
ptrdest += sizeof (struct grub_vbe_info_block);
#else
mbi->vbe_control_info = 0;
#endif
#if GRUB_MACHINE_HAS_VBE
status = grub_vbe_bios_get_mode (scratch);
vbe_mode = *(grub_uint32_t *) scratch;
if (status != GRUB_VBE_STATUS_OK)
return grub_error (GRUB_ERR_IO, "can't get VBE mode");
#else
vbe_mode = 3;
#endif
mbi->vbe_mode = vbe_mode;
mode_info = (struct grub_vbe_mode_info_block *) ptrorig;
mbi->vbe_mode_info = ptrdest;
/* get_mode_info isn't available for mode 3. */
if (vbe_mode == 3)
{
grub_memset (mode_info, 0, sizeof (struct grub_vbe_mode_info_block));
mode_info->memory_model = GRUB_VBE_MEMORY_MODEL_TEXT;
mode_info->x_resolution = 80;
mode_info->y_resolution = 25;
}
else
{
#if GRUB_MACHINE_HAS_VBE
status = grub_vbe_bios_get_mode_info (vbe_mode, scratch);
if (status != GRUB_VBE_STATUS_OK)
return grub_error (GRUB_ERR_IO, "can't get mode info");
grub_memcpy (mode_info, scratch,
sizeof (struct grub_vbe_mode_info_block));
#endif
}
ptrorig += sizeof (struct grub_vbe_mode_info_block);
ptrdest += sizeof (struct grub_vbe_mode_info_block);
#if GRUB_MACHINE_HAS_VBE
grub_vbe_bios_get_pm_interface (&mbi->vbe_interface_seg,
&mbi->vbe_interface_off,
&mbi->vbe_interface_len);
#endif
mbi->flags |= MULTIBOOT_INFO_VBE_INFO;
if (fill_generic && mode_info->memory_model == GRUB_VBE_MEMORY_MODEL_TEXT)
{
mbi->framebuffer_addr = 0xb8000;
mbi->framebuffer_pitch = 2 * mode_info->x_resolution;
mbi->framebuffer_width = mode_info->x_resolution;
mbi->framebuffer_height = mode_info->y_resolution;
mbi->framebuffer_bpp = 16;
mbi->framebuffer_type = MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT;
mbi->flags |= MULTIBOOT_INFO_FRAMEBUFFER_INFO;
}
return GRUB_ERR_NONE;
}
#endif
static grub_err_t
retrieve_video_parameters (struct multiboot_info *mbi,
grub_uint8_t *ptrorig, grub_uint32_t ptrdest)
@ -259,8 +368,13 @@ retrieve_video_parameters (struct multiboot_info *mbi,
grub_video_get_palette (0, ARRAY_SIZE (palette), palette);
driv_id = grub_video_get_driver_id ();
#if GRUB_MACHINE_HAS_VGA_TEXT
if (driv_id == GRUB_VIDEO_DRIVER_NONE)
return fill_vbe_info (mbi, ptrorig, ptrdest, 1);
#else
if (driv_id == GRUB_VIDEO_DRIVER_NONE)
return GRUB_ERR_NONE;
#endif
err = grub_video_get_info_and_fini (&mode_info, &framebuffer);
if (err)
@ -308,6 +422,11 @@ retrieve_video_parameters (struct multiboot_info *mbi,
mbi->flags |= MULTIBOOT_INFO_FRAMEBUFFER_INFO;
#if GRUB_MACHINE_HAS_VBE
if (driv_id == GRUB_VIDEO_DRIVER_VBE)
return fill_vbe_info (mbi, ptrorig, ptrdest, 0);
#endif
return GRUB_ERR_NONE;
}
@ -329,13 +448,13 @@ grub_multiboot_make_mbi (grub_uint32_t *target)
bufsize = grub_multiboot_get_mbi_size ();
err = grub_relocator_alloc_chunk_align (grub_multiboot_relocator, &ch,
0, 0xffffffff - bufsize,
0x10000, 0x100000 - bufsize,
bufsize, 4,
GRUB_RELOCATOR_PREFERENCE_NONE);
if (err)
return err;
ptrorig = get_virtual_current_address (ch);
ptrdest = (grub_addr_t) get_virtual_current_address (ch);
ptrdest = get_physical_target_address (ch);
*target = ptrdest;
@ -356,6 +475,29 @@ grub_multiboot_make_mbi (grub_uint32_t *target)
ptrorig += ALIGN_UP (sizeof(PACKAGE_STRING), 4);
ptrdest += ALIGN_UP (sizeof(PACKAGE_STRING), 4);
#ifdef GRUB_MACHINE_PCBIOS
{
struct grub_apm_info info;
if (grub_apm_get_info (&info))
{
struct multiboot_apm_info *mbinfo = (void *) ptrorig;
mbinfo->cseg = info.cseg;
mbinfo->offset = info.offset;
mbinfo->cseg_16 = info.cseg_16;
mbinfo->dseg = info.dseg;
mbinfo->flags = info.flags;
mbinfo->cseg_len = info.cseg_len;
mbinfo->dseg_len = info.dseg_len;
mbinfo->cseg_16_len = info.cseg_16_len;
mbinfo->version = info.version;
ptrorig += ALIGN_UP (sizeof (struct multiboot_apm_info), 4);
ptrdest += ALIGN_UP (sizeof (struct multiboot_apm_info), 4);
}
}
#endif
if (modcnt)
{
mbi->flags |= MULTIBOOT_INFO_MODS;
@ -401,6 +543,20 @@ grub_multiboot_make_mbi (grub_uint32_t *target)
mbi->flags |= MULTIBOOT_INFO_BOOTDEV;
}
{
struct grub_net_network_level_interface *net;
FOR_NET_NETWORK_LEVEL_INTERFACES(net)
if (net->dhcp_ack)
{
grub_memcpy (ptrorig, net->dhcp_ack, net->dhcp_acklen);
mbi->drives_addr = ptrdest;
mbi->drives_length = net->dhcp_acklen;
ptrorig += net->dhcp_acklen;
ptrdest += net->dhcp_acklen;
break;
}
}
if (elf_sec_num)
{
mbi->u.elf_sec.addr = ptrdest;
@ -410,6 +566,9 @@ grub_multiboot_make_mbi (grub_uint32_t *target)
mbi->u.elf_sec.shndx = elf_sec_shstrndx;
mbi->flags |= MULTIBOOT_INFO_ELF_SHDR;
ptrorig += elf_sec_entsize * elf_sec_num;
ptrdest += elf_sec_entsize * elf_sec_num;
}
err = retrieve_video_parameters (mbi, ptrorig, ptrdest);
@ -419,6 +578,22 @@ grub_multiboot_make_mbi (grub_uint32_t *target)
grub_errno = GRUB_ERR_NONE;
}
if ((mbi->flags & MULTIBOOT_INFO_FRAMEBUFFER_INFO)
&& mbi->framebuffer_type == MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED)
{
ptrorig += mbi->framebuffer_palette_num_colors
* sizeof (struct multiboot_color);
ptrdest += mbi->framebuffer_palette_num_colors
* sizeof (struct multiboot_color);
}
#if GRUB_MACHINE_HAS_VBE
ptrorig += sizeof (struct grub_vbe_info_block);
ptrdest += sizeof (struct grub_vbe_info_block);
ptrorig += sizeof (struct grub_vbe_mode_info_block);
ptrdest += sizeof (struct grub_vbe_mode_info_block);
#endif
return GRUB_ERR_NONE;
}
@ -506,6 +681,7 @@ grub_multiboot_add_module (grub_addr_t start, grub_size_t size,
return grub_errno;
newmod->start = start;
newmod->size = size;
newmod->next = 0;
for (i = 0; i < argc; i++)
len += grub_strlen (argv[i]) + 1;

155
grub-core/loader/i386/pc/chainloader.c
View file

@ -18,8 +18,8 @@
*/
#include <grub/loader.h>
#include <grub/machine/loader.h>
#include <grub/machine/chainloader.h>
#include <grub/machine/memory.h>
#include <grub/file.h>
#include <grub/err.h>
#include <grub/device.h>
@ -27,7 +27,7 @@
#include <grub/misc.h>
#include <grub/types.h>
#include <grub/partition.h>
#include <grub/machine/memory.h>
#include <grub/memory.h>
#include <grub/dl.h>
#include <grub/command.h>
#include <grub/msdos_partition.h>
@ -36,28 +36,110 @@
#include <grub/i18n.h>
#include <grub/video.h>
#include <grub/mm.h>
#include <grub/fat.h>
#include <grub/ntfs.h>
#include <grub/i386/relocator.h>
GRUB_MOD_LICENSE ("GPLv3+");
static grub_dl_t my_mod;
static int boot_drive;
static void *boot_part_addr;
static grub_addr_t boot_part_addr;
static struct grub_relocator *rel;
typedef enum
{
GRUB_CHAINLOADER_FORCE = 0x1,
GRUB_CHAINLOADER_BPB = 0x2,
} grub_chainloader_flags_t;
static grub_err_t
grub_chainloader_boot (void)
{
struct grub_relocator16_state state = {
.edx = boot_drive,
.esi = boot_part_addr,
.ds = 0,
.es = 0,
.fs = 0,
.gs = 0,
.ss = 0,
.cs = 0,
.sp = GRUB_MEMORY_MACHINE_BOOT_LOADER_ADDR,
.ip = GRUB_MEMORY_MACHINE_BOOT_LOADER_ADDR,
.a20 = 0
};
grub_video_set_mode ("text", 0, 0);
grub_chainloader_real_boot (boot_drive, boot_part_addr);
/* Never reach here. */
return GRUB_ERR_NONE;
return grub_relocator16_boot (rel, state);
}
static grub_err_t
grub_chainloader_unload (void)
{
grub_relocator_unload (rel);
rel = NULL;
grub_dl_unref (my_mod);
return GRUB_ERR_NONE;
}
void
grub_chainloader_patch_bpb (void *bs, grub_device_t dev, grub_uint8_t dl)
{
grub_uint32_t part_start = 0;
if (dev && dev->disk)
part_start = grub_partition_get_start (dev->disk->partition);
if (grub_memcmp ((char *) &((struct grub_ntfs_bpb *) bs)->oem_name,
"NTFS", 4) == 0)
{
struct grub_ntfs_bpb *bpb = (struct grub_ntfs_bpb *) bs;
bpb->num_hidden_sectors = grub_cpu_to_le32 (part_start);
bpb->bios_drive = dl;
return;
}
do
{
struct grub_fat_bpb *bpb = (struct grub_fat_bpb *) bs;
if (grub_strncmp((const char *) bpb->version_specific.fat12_or_fat16.fstype, "FAT12", 5)
&& grub_strncmp((const char *) bpb->version_specific.fat12_or_fat16.fstype, "FAT16", 5)
&& grub_strncmp((const char *) bpb->version_specific.fat32.fstype, "FAT32", 5))
break;
if (grub_le_to_cpu16 (bpb->bytes_per_sector) < 512
|| (grub_le_to_cpu16 (bpb->bytes_per_sector)
& (grub_le_to_cpu16 (bpb->bytes_per_sector) - 1)))
break;
if (bpb->sectors_per_cluster == 0
|| (bpb->sectors_per_cluster & (bpb->sectors_per_cluster - 1)))
break;
if (bpb->num_reserved_sectors == 0)
break;
if (bpb->num_total_sectors_16 == 0 || bpb->num_total_sectors_32 == 0)
break;
if (bpb->num_fats == 0)
break;
if (bpb->sectors_per_fat_16)
{
bpb->num_hidden_sectors = grub_cpu_to_le32 (part_start);
bpb->version_specific.fat12_or_fat16.num_ph_drive = dl;
return;
}
if (bpb->version_specific.fat32.sectors_per_fat_32)
{
bpb->num_hidden_sectors = grub_cpu_to_le32 (part_start);
bpb->version_specific.fat32.num_ph_drive = dl;
return;
}
break;
}
while (0);
}
static void
grub_chainloader_cmd (const char *filename, grub_chainloader_flags_t flags)
{
@ -65,7 +147,12 @@ grub_chainloader_cmd (const char *filename, grub_chainloader_flags_t flags)
grub_uint16_t signature;
grub_device_t dev;
int drive = -1;
void *part_addr = 0;
grub_addr_t part_addr = 0;
grub_uint8_t *bs, *ptable;
rel = grub_relocator_new ();
if (!rel)
goto fail;
grub_dl_ref (my_mod);
@ -74,8 +161,25 @@ grub_chainloader_cmd (const char *filename, grub_chainloader_flags_t flags)
if (! file)
goto fail;
{
grub_relocator_chunk_t ch;
grub_err_t err;
err = grub_relocator_alloc_chunk_addr (rel, &ch, 0x7C00,
GRUB_DISK_SECTOR_SIZE);
if (err)
goto fail;
bs = get_virtual_current_address (ch);
err = grub_relocator_alloc_chunk_addr (rel, &ch,
GRUB_MEMORY_MACHINE_PART_TABLE_ADDR,
64);
if (err)
goto fail;
ptable = get_virtual_current_address (ch);
}
/* Read the first block. */
if (grub_file_read (file, (void *) 0x7C00, GRUB_DISK_SECTOR_SIZE)
if (grub_file_read (file, bs, GRUB_DISK_SECTOR_SIZE)
!= GRUB_DISK_SECTOR_SIZE)
{
if (grub_errno == GRUB_ERR_NONE)
@ -85,7 +189,7 @@ grub_chainloader_cmd (const char *filename, grub_chainloader_flags_t flags)
}
/* Check the signature. */
signature = *((grub_uint16_t *) (0x7C00 + GRUB_DISK_SECTOR_SIZE - 2));
signature = *((grub_uint16_t *) (bs + GRUB_DISK_SECTOR_SIZE - 2));
if (signature != grub_le_to_cpu16 (0xaa55)
&& ! (flags & GRUB_CHAINLOADER_FORCE))
{
@ -109,15 +213,17 @@ grub_chainloader_cmd (const char *filename, grub_chainloader_flags_t flags)
if (p && grub_strcmp (p->partmap->name, "msdos") == 0)
{
disk->partition = p->parent;
grub_disk_read (disk, p->offset, 446, 64,
(void *) GRUB_MEMORY_MACHINE_PART_TABLE_ADDR);
part_addr = (void *) (GRUB_MEMORY_MACHINE_PART_TABLE_ADDR
+ (p->index << 4));
grub_disk_read (disk, p->offset, 446, 64, ptable);
part_addr = (GRUB_MEMORY_MACHINE_PART_TABLE_ADDR
+ (p->index << 4));
disk->partition = p;
}
}
}
if (flags & GRUB_CHAINLOADER_BPB)
grub_chainloader_patch_bpb ((void *) 0x7C00, dev, drive);
if (dev)
grub_device_close (dev);
@ -144,11 +250,23 @@ grub_cmd_chainloader (grub_command_t cmd __attribute__ ((unused)),
{
grub_chainloader_flags_t flags = 0;
if (argc > 0 && grub_strcmp (argv[0], "--force") == 0)
while (argc > 0)
{
flags |= GRUB_CHAINLOADER_FORCE;
argc--;
argv++;
if (grub_strcmp (argv[0], "--force") == 0)
{
flags |= GRUB_CHAINLOADER_FORCE;
argc--;
argv++;
continue;
}
if (grub_strcmp (argv[0], "--bpb") == 0)
{
flags |= GRUB_CHAINLOADER_BPB;
argc--;
argv++;
continue;
}
break;
}
if (argc == 0)
@ -164,7 +282,8 @@ static grub_command_t cmd;
GRUB_MOD_INIT(chainloader)
{
cmd = grub_register_command ("chainloader", grub_cmd_chainloader,
0, N_("Load another boot loader."));
N_("[--force|--bpb] FILE"),
N_("Load another boot loader."));
my_mod = mod;
}

139
grub-core/loader/i386/pc/freedos.c Normal file
View file

@ -0,0 +1,139 @@
/* chainloader.c - boot another boot loader */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2004,2007,2009,2010 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/loader.h>
#include <grub/file.h>
#include <grub/err.h>
#include <grub/device.h>
#include <grub/disk.h>
#include <grub/misc.h>
#include <grub/types.h>
#include <grub/partition.h>
#include <grub/dl.h>
#include <grub/command.h>
#include <grub/machine/biosnum.h>
#include <grub/i18n.h>
#include <grub/video.h>
#include <grub/mm.h>
#include <grub/cpu/relocator.h>
GRUB_MOD_LICENSE ("GPLv3+");
static grub_dl_t my_mod;
static struct grub_relocator *rel;
static grub_uint32_t ebx = 0xffffffff;
#define GRUB_FREEDOS_SEGMENT 0x60
#define GRUB_FREEDOS_STACK_SEGMENT 0x1fe0
#define GRUB_FREEDOS_STACK_POINTER 0x8000
static grub_err_t
grub_freedos_boot (void)
{
struct grub_relocator16_state state = {
.cs = GRUB_FREEDOS_SEGMENT,
.ip = 0,
.ds = 0,
.es = 0,
.fs = 0,
.gs = 0,
.ss = GRUB_FREEDOS_STACK_SEGMENT,
.sp = GRUB_FREEDOS_STACK_POINTER,
.ebx = ebx,
.edx = 0,
.a20 = 1
};
grub_video_set_mode ("text", 0, 0);
return grub_relocator16_boot (rel, state);
}
static grub_err_t
grub_freedos_unload (void)
{
grub_relocator_unload (rel);
rel = NULL;
grub_dl_unref (my_mod);
return GRUB_ERR_NONE;
}
static grub_err_t
grub_cmd_freedos (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
grub_file_t file = 0;
grub_err_t err;
void *kernelsys;
grub_size_t kernelsyssize;
if (argc == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "no file specified");
grub_dl_ref (my_mod);
rel = grub_relocator_new ();
if (!rel)
goto fail;
file = grub_file_open (argv[0]);
if (! file)
goto fail;
ebx = grub_get_root_biosnumber ();
kernelsyssize = grub_file_size (file);
{
grub_relocator_chunk_t ch;
err = grub_relocator_alloc_chunk_addr (rel, &ch, GRUB_FREEDOS_SEGMENT << 4,
kernelsyssize);
if (err)
goto fail;
kernelsys = get_virtual_current_address (ch);
}
if (grub_file_read (file, kernelsys, kernelsyssize)
!= (grub_ssize_t) kernelsyssize)
goto fail;
grub_loader_set (grub_freedos_boot, grub_freedos_unload, 1);
return GRUB_ERR_NONE;
fail:
if (file)
grub_file_close (file);
grub_freedos_unload ();
return grub_errno;
}
static grub_command_t cmd;
GRUB_MOD_INIT(freedos)
{
cmd = grub_register_command ("freedos", grub_cmd_freedos,
0, N_("Load FreeDOS kernel.sys."));
my_mod = mod;
}
GRUB_MOD_FINI(freedos)
{
grub_unregister_command (cmd);
}

51
grub-core/loader/i386/pc/linux.c
View file

@ -18,14 +18,13 @@
*/
#include <grub/loader.h>
#include <grub/machine/loader.h>
#include <grub/file.h>
#include <grub/err.h>
#include <grub/device.h>
#include <grub/disk.h>
#include <grub/misc.h>
#include <grub/types.h>
#include <grub/machine/memory.h>
#include <grub/memory.h>
#include <grub/dl.h>
#include <grub/cpu/linux.h>
#include <grub/command.h>
@ -34,9 +33,11 @@
#include <grub/cpu/relocator.h>
#include <grub/video.h>
#include <grub/i386/floppy.h>
#include <grub/lib/cmdline.h>
GRUB_MOD_LICENSE ("GPLv3+");
#define GRUB_LINUX_CL_OFFSET 0x9000
#define GRUB_LINUX_CL_END_OFFSET 0x90FF
static grub_dl_t my_mod;
@ -46,6 +47,7 @@ static struct grub_relocator *relocator = NULL;
static grub_addr_t grub_linux_real_target;
static char *grub_linux_real_chunk;
static grub_size_t grub_linux16_prot_size;
static grub_size_t maximal_cmdline_size;
static grub_err_t
grub_linux16_boot (void)
@ -58,6 +60,7 @@ grub_linux16_boot (void)
state.sp = GRUB_LINUX_SETUP_STACK;
state.cs = segment + 0x20;
state.ip = 0;
state.a20 = 1;
grub_video_set_mode ("text", 0, 0);
@ -86,7 +89,6 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
grub_size_t real_size;
grub_ssize_t len;
int i;
char *dest;
char *grub_linux_prot_chunk;
int grub_linux_is_bzimage;
grub_addr_t grub_linux_prot_target;
@ -126,15 +128,20 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
setup_sects = lh.setup_sects;
linux_mem_size = 0;
maximal_cmdline_size = 256;
if (lh.header == grub_cpu_to_le32 (GRUB_LINUX_MAGIC_SIGNATURE)
&& grub_le_to_cpu16 (lh.version) >= 0x0200)
{
grub_linux_is_bzimage = (lh.loadflags & GRUB_LINUX_FLAG_BIG_KERNEL);
lh.type_of_loader = GRUB_LINUX_BOOT_LOADER_TYPE;
if (grub_le_to_cpu16 (lh.version) >= 0x0206)
maximal_cmdline_size = grub_le_to_cpu32 (lh.cmdline_size) + 1;
/* Put the real mode part at as a high location as possible. */
grub_linux_real_target = grub_mmap_get_lower ()
- GRUB_LINUX_SETUP_MOVE_SIZE;
- (GRUB_LINUX_CL_OFFSET + maximal_cmdline_size);
/* But it must not exceed the traditional area. */
if (grub_linux_real_target > GRUB_LINUX_OLD_REAL_MODE_ADDR)
grub_linux_real_target = GRUB_LINUX_OLD_REAL_MODE_ADDR;
@ -151,7 +158,8 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
{
lh.cl_magic = grub_cpu_to_le16 (GRUB_LINUX_CL_MAGIC);
lh.cl_offset = grub_cpu_to_le16 (GRUB_LINUX_CL_OFFSET);
lh.setup_move_size = grub_cpu_to_le16 (GRUB_LINUX_SETUP_MOVE_SIZE);
lh.setup_move_size = grub_cpu_to_le16 (GRUB_LINUX_CL_OFFSET
+ maximal_cmdline_size);
}
}
else
@ -183,12 +191,13 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
goto fail;
}
if (grub_linux_real_target + GRUB_LINUX_SETUP_MOVE_SIZE
if (grub_linux_real_target + GRUB_LINUX_CL_OFFSET + maximal_cmdline_size
> grub_mmap_get_lower ())
{
grub_error (GRUB_ERR_OUT_OF_RANGE,
"too small lower memory (0x%x > 0x%x)",
grub_linux_real_target + GRUB_LINUX_SETUP_MOVE_SIZE,
grub_linux_real_target + GRUB_LINUX_CL_OFFSET
+ maximal_cmdline_size,
(int) grub_mmap_get_lower ());
goto fail;
}
@ -261,7 +270,8 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
grub_relocator_chunk_t ch;
err = grub_relocator_alloc_chunk_addr (relocator, &ch,
grub_linux_real_target,
GRUB_LINUX_SETUP_MOVE_SIZE);
GRUB_LINUX_CL_OFFSET
+ maximal_cmdline_size);
if (err)
return err;
grub_linux_real_chunk = get_virtual_current_address (ch);
@ -286,21 +296,14 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
((GRUB_LINUX_MAX_SETUP_SECTS - setup_sects - 1)
<< GRUB_DISK_SECTOR_BITS));
/* Specify the boot file. */
dest = grub_stpcpy (grub_linux_real_chunk + GRUB_LINUX_CL_OFFSET,
"BOOT_IMAGE=");
dest = grub_stpcpy (dest, argv[0]);
/* Copy kernel parameters. */
for (i = 1;
i < argc
&& dest + grub_strlen (argv[i]) + 1 < (grub_linux_real_chunk
+ GRUB_LINUX_CL_END_OFFSET);
i++)
{
*dest++ = ' ';
dest = grub_stpcpy (dest, argv[i]);
}
/* Create kernel command line. */
grub_memcpy ((char *)grub_linux_real_chunk + GRUB_LINUX_CL_OFFSET,
LINUX_IMAGE, sizeof (LINUX_IMAGE));
grub_create_loader_cmdline (argc, argv,
(char *)grub_linux_real_chunk
+ GRUB_LINUX_CL_OFFSET + sizeof (LINUX_IMAGE) - 1,
maximal_cmdline_size
- (sizeof (LINUX_IMAGE) - 1));
if (grub_linux_is_bzimage)
grub_linux_prot_target = GRUB_LINUX_BZIMAGE_ADDR;

7
grub-core/loader/i386/pc/ntldr.c
View file

@ -32,6 +32,9 @@
#include <grub/video.h>
#include <grub/mm.h>
#include <grub/cpu/relocator.h>
#include <grub/machine/chainloader.h>
GRUB_MOD_LICENSE ("GPLv3+");
static grub_dl_t my_mod;
static struct grub_relocator *rel;
@ -51,7 +54,8 @@ grub_ntldr_boot (void)
.gs = 0,
.ss = 0,
.sp = 0x7c00,
.edx = edx
.edx = edx,
.a20 = 1
};
grub_video_set_mode ("text", 0, 0);
@ -110,6 +114,7 @@ grub_cmd_ntldr (grub_command_t cmd __attribute__ ((unused)),
grub_device_close (dev);
goto fail;
}
grub_chainloader_patch_bpb (bs, dev, edx);
}
if (dev)

513
grub-core/loader/i386/pc/plan9.c Normal file
View file

@ -0,0 +1,513 @@
/*
* 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/loader.h>
#include <grub/file.h>
#include <grub/err.h>
#include <grub/device.h>
#include <grub/disk.h>
#include <grub/misc.h>
#include <grub/types.h>
#include <grub/partition.h>
#include <grub/msdos_partition.h>
#include <grub/scsi.h>
#include <grub/dl.h>
#include <grub/command.h>
#include <grub/i18n.h>
#include <grub/video.h>
#include <grub/mm.h>
#include <grub/cpu/relocator.h>
#include <grub/extcmd.h>
static grub_dl_t my_mod;
static struct grub_relocator *rel;
static grub_uint32_t eip = 0xffffffff;
#define GRUB_PLAN9_TARGET 0x100000
#define GRUB_PLAN9_ALIGN 4096
#define GRUB_PLAN9_CONFIG_ADDR 0x001200
#define GRUB_PLAN9_CONFIG_PATH_SIZE 0x000040
#define GRUB_PLAN9_CONFIG_MAGIC "ZORT 0\r\n"
static const struct grub_arg_option options[] =
{
{"map", 'm', GRUB_ARG_OPTION_REPEATABLE,
N_("Override guessed mapping of Plan9 devices."),
N_("GRUBDEVICE=PLAN9DEVICE"),
ARG_TYPE_STRING},
{0, 0, 0, 0, 0, 0}
};
struct grub_plan9_header
{
grub_uint32_t magic;
#define GRUB_PLAN9_MAGIC 0x1eb
grub_uint32_t text_size;
grub_uint32_t data_size;
grub_uint32_t bss_size;
grub_uint32_t sectiona;
grub_uint32_t entry_addr;
grub_uint32_t zero;
grub_uint32_t sectionb;
};
static grub_err_t
grub_plan9_boot (void)
{
struct grub_relocator32_state state = {
.eax = 0,
.eip = eip,
.ebx = 0,
.ecx = 0,
.edx = 0,
.edi = 0,
.esp = 0,
.ebp = 0,
.esi = 0
};
grub_video_set_mode ("text", 0, 0);
return grub_relocator32_boot (rel, state);
}
static grub_err_t
grub_plan9_unload (void)
{
grub_relocator_unload (rel);
rel = NULL;
grub_dl_unref (my_mod);
return GRUB_ERR_NONE;
}
static grub_err_t
grub_cmd_plan9 (grub_extcmd_context_t ctxt, int argc, char *argv[])
{
grub_file_t file = 0;
void *mem;
grub_size_t memsize, padsize;
struct grub_plan9_header hdr;
char *config, *configptr;
grub_size_t configsize;
char *pmap = NULL;
grub_size_t pmapalloc = 256;
grub_size_t pmapptr = 0;
int noslash = 1;
char prefixes[5][10] = {"dos", "plan9", "ntfs", "linux", "linuxswap"};
int prefixescnt[5];
char *bootdisk = NULL, *bootpart = NULL, *bootpath = NULL;
auto int fill_partition (grub_disk_t disk,
const grub_partition_t partition);
int fill_partition (grub_disk_t disk,
const grub_partition_t partition)
{
int file_disk = 0;
int pstart, pend;
if (!noslash)
{
if (grub_extend_alloc (pmapptr + 1, &pmapalloc, (void **) &pmap))
return 1;
pmap[pmapptr++] = '/';
}
noslash = 0;
file_disk = file->device->disk && disk->id == file->device->disk->id
&& disk->dev->id == file->device->disk->dev->id;
pstart = pmapptr;
if (grub_strcmp (partition->partmap->name, "plan") == 0)
{
unsigned ptr = partition->index + sizeof ("part ") - 1;
grub_err_t err;
disk->partition = partition->parent;
do
{
if (grub_extend_alloc (pmapptr + 1, &pmapalloc, (void **) &pmap))
return 1;
err = grub_disk_read (disk, 1, ptr, 1, pmap + pmapptr);
if (err)
{
disk->partition = 0;
return err;
}
ptr++;
pmapptr++;
}
while (grub_isalpha (pmap[pmapptr - 1])
|| grub_isdigit (pmap[pmapptr - 1]));
pmapptr--;
}
else
{
char name[50];
int c = 0;
if (grub_strcmp (partition->partmap->name, "msdos") == 0)
{
switch (partition->msdostype)
{
case GRUB_PC_PARTITION_TYPE_PLAN9:
c = 1;
break;
case GRUB_PC_PARTITION_TYPE_NTFS:
c = 2;
break;
case GRUB_PC_PARTITION_TYPE_MINIX:
case GRUB_PC_PARTITION_TYPE_LINUX_MINIX:
case GRUB_PC_PARTITION_TYPE_EXT2FS:
c = 3;
break;
case GRUB_PC_PARTITION_TYPE_LINUX_SWAP:
c = 4;
break;
}
}
if (prefixescnt[c] == 0)
grub_strcpy (name, prefixes[c]);
else
grub_snprintf (name, sizeof (name), "%s.%d", prefixes[c],
prefixescnt[c]);
prefixescnt[c]++;
if (grub_extend_alloc (pmapptr + grub_strlen (name) + 1,
&pmapalloc, (void **) &pmap))
return 1;
grub_strcpy (pmap + pmapptr, name);
pmapptr += grub_strlen (name);
}
pend = pmapptr;
if (grub_extend_alloc (pmapptr + 2 + 25 + 5 + 25, &pmapalloc,
(void **) &pmap))
return 1;
pmap[pmapptr++] = ' ';
grub_snprintf (pmap + pmapptr, 25 + 5 + 25,
"%" PRIuGRUB_UINT64_T " %" PRIuGRUB_UINT64_T,
grub_partition_get_start (partition),
grub_partition_get_start (partition)
+ grub_partition_get_len (partition));
if (file_disk && grub_partition_get_start (partition)
== grub_partition_get_start (file->device->disk->partition)
&& grub_partition_get_len (partition)
== grub_partition_get_len (file->device->disk->partition))
{
grub_free (bootpart);
bootpart = grub_strndup (pmap + pstart, pend - pstart);
}
pmapptr += grub_strlen (pmap + pmapptr);
return 0;
}
auto int fill_disk (const char *name);
int fill_disk (const char *name)
{
grub_device_t dev;
char *plan9name = NULL;
unsigned i;
int file_disk = 0;
dev = grub_device_open (name);
if (!dev)
{
grub_print_error ();
return 0;
}
if (!dev->disk)
{
grub_device_close (dev);
return 0;
}
file_disk = file->device->disk && dev->disk->id == file->device->disk->id
&& dev->disk->dev->id == file->device->disk->dev->id;
for (i = 0; ctxt->state[0].args && ctxt->state[0].args[i]; i++)
if (grub_strncmp (name, ctxt->state[0].args[i], grub_strlen (name)) == 0
&& ctxt->state[0].args[i][grub_strlen (name)] == '=')
break;
if (ctxt->state[0].args && ctxt->state[0].args[i])
plan9name = grub_strdup (ctxt->state[0].args[i] + grub_strlen (name) + 1);
else
switch (dev->disk->dev->id)
{
case GRUB_DISK_DEVICE_BIOSDISK_ID:
if (dev->disk->id & 0x80)
plan9name = grub_xasprintf ("sdB%u",
(unsigned) (dev->disk->id & 0x7f));
else
plan9name = grub_xasprintf ("fd%u",
(unsigned) (dev->disk->id & 0x7f));
break;
/* Shouldn't happen as Plan9 doesn't work on these platforms. */
case GRUB_DISK_DEVICE_OFDISK_ID:
case GRUB_DISK_DEVICE_EFIDISK_ID:
/* Plan9 doesn't see those. */
default:
/* Not sure how to handle those. */
case GRUB_DISK_DEVICE_PXE_ID:
case GRUB_DISK_DEVICE_NAND_ID:
if (!file_disk)
{
grub_device_close (dev);
return 0;
}
/* if it's the disk the kernel is loaded from we need to name
it nevertheless. */
plan9name = grub_strdup ("sdZ0");
break;
case GRUB_DISK_DEVICE_ATA_ID:
{
int unit;
if (grub_strlen (dev->disk->name) < sizeof ("ata0") - 1)
unit = 0;
else
unit = grub_strtoul (dev->disk->name + sizeof ("ata0") - 1, 0, 0);
plan9name = grub_xasprintf ("sd%c%d", 'C' + unit / 2, unit % 2);
}
break;
case GRUB_DISK_DEVICE_SCSI_ID:
if (((dev->disk->id >> GRUB_SCSI_ID_SUBSYSTEM_SHIFT) & 0xff)
== GRUB_SCSI_SUBSYSTEM_PATA)
{
int unit;
if (grub_strlen (dev->disk->name) < sizeof ("ata0") - 1)
unit = 0;
else
unit = grub_strtoul (dev->disk->name + sizeof ("ata0") - 1,
0, 0);
plan9name = grub_xasprintf ("sd%c%d", 'C' + unit / 2, unit % 2);
break;
}
/* FIXME: how does Plan9 number controllers?
We probably need save the SCSI devices and sort them */
plan9name
= grub_xasprintf ("sd0%u", (unsigned)
((dev->disk->id >> GRUB_SCSI_ID_BUS_SHIFT)
& 0xf));
break;
}
if (!plan9name)
{
grub_print_error ();
return 0;
}
if (grub_extend_alloc (pmapptr + grub_strlen (plan9name)
+ sizeof ("part="), &pmapalloc,
(void **) &pmap))
{
grub_free (plan9name);
return 1;
}
grub_strcpy (pmap + pmapptr, plan9name);
pmapptr += grub_strlen (plan9name);
if (!file_disk)
grub_free (plan9name);
else
{
grub_free (bootdisk);
bootdisk = plan9name;
}
grub_strcpy (pmap + pmapptr, "part=");
pmapptr += sizeof ("part=") - 1;
noslash = 1;
grub_memset (prefixescnt, 0, sizeof (prefixescnt));
if (grub_partition_iterate (dev->disk, fill_partition))
return 1;
if (grub_extend_alloc (pmapptr + 1, &pmapalloc, (void **) &pmap))
return 1;
pmap[pmapptr++] = '\n';
return 0;
}
if (argc == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "no file specified");
grub_dl_ref (my_mod);
rel = grub_relocator_new ();
if (!rel)
goto fail;
file = grub_file_open (argv[0]);
if (! file)
goto fail;
pmap = grub_malloc (pmapalloc);
if (!pmap)
goto fail;
if (grub_disk_dev_iterate (fill_disk))
goto fail;
if (grub_extend_alloc (pmapptr + 1, &pmapalloc,
(void **) &pmap))
goto fail;
pmap[pmapptr] = 0;
{
char *file_name = grub_strchr (argv[0], ')');
if (file_name)
file_name++;
else
file_name = argv[0];
if (*file_name)
file_name++;
if (bootpart)
bootpath = grub_xasprintf ("%s!%s!%s", bootdisk, bootpart, file_name);
else
bootpath = grub_xasprintf ("%s!%s", bootdisk, file_name);
grub_free (bootdisk);
grub_free (bootpart);
}
if (!bootpath)
goto fail;
if (grub_file_read (file, &hdr, sizeof (hdr)) != (grub_ssize_t) sizeof (hdr))
goto fail;
if (grub_be_to_cpu32 (hdr.magic) != GRUB_PLAN9_MAGIC
|| hdr.zero)
{
grub_error (GRUB_ERR_BAD_OS, "unsupported Plan9");
goto fail;
}
memsize = ALIGN_UP (grub_be_to_cpu32 (hdr.text_size) + sizeof (hdr),
GRUB_PLAN9_ALIGN);
memsize += ALIGN_UP (grub_be_to_cpu32 (hdr.data_size), GRUB_PLAN9_ALIGN);
memsize += ALIGN_UP(grub_be_to_cpu32 (hdr.bss_size), GRUB_PLAN9_ALIGN);
eip = grub_be_to_cpu32 (hdr.entry_addr) & 0xfffffff;
/* path */
configsize = GRUB_PLAN9_CONFIG_PATH_SIZE;
/* magic */
configsize += sizeof (GRUB_PLAN9_CONFIG_MAGIC) - 1;
{
int i;
for (i = 1; i < argc; i++)
configsize += grub_strlen (argv[i]) + 1;
}
configsize += (sizeof ("bootfile=") - 1) + grub_strlen (bootpath) + 1;
configsize += pmapptr;
/* Terminating \0. */
configsize++;
{
grub_relocator_chunk_t ch;
grub_err_t err;
err = grub_relocator_alloc_chunk_addr (rel, &ch, GRUB_PLAN9_CONFIG_ADDR,
configsize);
if (err)
goto fail;
config = get_virtual_current_address (ch);
}
grub_memset (config, 0, GRUB_PLAN9_CONFIG_PATH_SIZE);
grub_strncpy (config, bootpath, GRUB_PLAN9_CONFIG_PATH_SIZE - 1);
configptr = config + GRUB_PLAN9_CONFIG_PATH_SIZE;
grub_memcpy (configptr, GRUB_PLAN9_CONFIG_MAGIC,
sizeof (GRUB_PLAN9_CONFIG_MAGIC) - 1);
configptr += sizeof (GRUB_PLAN9_CONFIG_MAGIC) - 1;
configptr = grub_stpcpy (configptr, "bootfile=");
configptr = grub_stpcpy (configptr, bootpath);
*configptr++ = '\n';
{
int i;
for (i = 1; i < argc; i++)
{
configptr = grub_stpcpy (configptr, argv[i]);
*configptr++ = '\n';
}
}
configptr = grub_stpcpy (configptr, pmap);
{
grub_relocator_chunk_t ch;
grub_err_t err;
err = grub_relocator_alloc_chunk_addr (rel, &ch, GRUB_PLAN9_TARGET,
memsize);
if (err)
goto fail;
mem = get_virtual_current_address (ch);
}
{
grub_uint8_t *ptr;
ptr = mem;
grub_memcpy (ptr, &hdr, sizeof (hdr));
ptr += sizeof (hdr);
if (grub_file_read (file, ptr, grub_be_to_cpu32 (hdr.text_size))
!= (grub_ssize_t) grub_be_to_cpu32 (hdr.text_size))
goto fail;
ptr += grub_be_to_cpu32 (hdr.text_size);
padsize = ALIGN_UP (grub_be_to_cpu32 (hdr.text_size) + sizeof (hdr),
GRUB_PLAN9_ALIGN) - grub_be_to_cpu32 (hdr.text_size)
- sizeof (hdr);
grub_memset (ptr, 0, padsize);
ptr += padsize;
if (grub_file_read (file, ptr, grub_be_to_cpu32 (hdr.data_size))
!= (grub_ssize_t) grub_be_to_cpu32 (hdr.data_size))
goto fail;
ptr += grub_be_to_cpu32 (hdr.data_size);
padsize = ALIGN_UP (grub_be_to_cpu32 (hdr.data_size), GRUB_PLAN9_ALIGN)
- grub_be_to_cpu32 (hdr.data_size);
grub_memset (ptr, 0, padsize);
ptr += padsize;
grub_memset (ptr, 0, ALIGN_UP(grub_be_to_cpu32 (hdr.bss_size),
GRUB_PLAN9_ALIGN));
}
grub_loader_set (grub_plan9_boot, grub_plan9_unload, 1);
return GRUB_ERR_NONE;
fail:
grub_free (pmap);
if (file)
grub_file_close (file);
grub_plan9_unload ();
return grub_errno;
}
static grub_extcmd_t cmd;
GRUB_MOD_INIT(plan9)
{
cmd = grub_register_extcmd ("plan9", grub_cmd_plan9,
GRUB_COMMAND_OPTIONS_AT_START,
N_("KERNEL ARGS"), N_("Load Plan9 kernel."),
options);
my_mod = mod;
}
GRUB_MOD_FINI(plan9)
{
grub_unregister_extcmd (cmd);
}

28
grub-core/loader/i386/xnu.c
View file

@ -49,7 +49,7 @@ struct tbl_alias
char *name;
};
struct tbl_alias table_aliases[] =
static struct tbl_alias table_aliases[] =
{
{GRUB_EFI_ACPI_20_TABLE_GUID, "ACPI_20"},
{GRUB_EFI_ACPI_TABLE_GUID, "ACPI"},
@ -219,7 +219,7 @@ struct property_descriptor
void *data;
};
struct grub_xnu_devprop_device_descriptor *devices = 0;
static struct grub_xnu_devprop_device_descriptor *devices = 0;
grub_err_t
grub_xnu_devprop_remove_property (struct grub_xnu_devprop_device_descriptor *dev,
@ -452,11 +452,11 @@ grub_cpu_xnu_fill_devprop (void)
}
devprop = grub_xnu_create_value (&(efikey->first_child), "device-properties");
if (devprop)
{
devprop->data = grub_malloc (total_length);
devprop->datasize = total_length;
}
if (!devprop)
return grub_errno;
devprop->data = grub_malloc (total_length);
devprop->datasize = total_length;
ptr = devprop->data;
head = ptr;
@ -700,7 +700,7 @@ grub_cpu_xnu_fill_devicetree (void)
return grub_errno;
/* First see if user supplies the value. */
char *fsbvar = grub_env_get ("fsb");
const char *fsbvar = grub_env_get ("fsb");
if (! fsbvar)
*((grub_uint64_t *) curval->data) = 0;
else
@ -951,10 +951,11 @@ grub_err_t
grub_xnu_boot (void)
{
struct grub_xnu_boot_params *bootparams;
void *bp_in;
grub_addr_t bootparams_target;
grub_err_t err;
grub_efi_uintn_t memory_map_size = 0;
grub_efi_memory_descriptor_t *memory_map;
void *memory_map;
grub_addr_t memory_map_target;
grub_efi_uintn_t map_key = 0;
grub_efi_uintn_t descriptor_size = 0;
@ -1006,9 +1007,10 @@ grub_xnu_boot (void)
/* Relocate the boot parameters to heap. */
err = grub_xnu_heap_malloc (sizeof (*bootparams),
(void **) &bootparams, &bootparams_target);
&bp_in, &bootparams_target);
if (err)
return err;
bootparams = bp_in;
/* Set video. */
err = grub_xnu_set_video (bootparams);
@ -1016,7 +1018,7 @@ grub_xnu_boot (void)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
grub_printf ("Booting in blind mode\n");
grub_puts_ (N_("Booting in blind mode"));
bootparams->lfb_mode = 0;
bootparams->lfb_width = 0;
@ -1035,7 +1037,7 @@ grub_xnu_boot (void)
memory map growth. */
memory_map_size += 20 * descriptor_size;
err = grub_xnu_heap_malloc (memory_map_size,
(void **) &memory_map, &memory_map_target);
&memory_map, &memory_map_target);
if (err)
return err;
@ -1109,7 +1111,7 @@ grub_xnu_boot (void)
grub_xnu_arg1 = bootparams_target;
grub_autoefi_set_virtual_address_map (memory_map_size, descriptor_size,
descriptor_version,memory_map);
descriptor_version, memory_map);
state.eip = grub_xnu_entry_point;
state.eax = grub_xnu_arg1;