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This commit is contained in:
Robert Millan 2010-01-18 20:51:35 +00:00
commit e022a2d667
98 changed files with 3475 additions and 1020 deletions
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10
loader/i386/bsd.c
View file

@ -1,6 +1,6 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008, 2009 Free Software Foundation, Inc.
* Copyright (C) 2008,2009,2010 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
@ -35,7 +35,7 @@
#include <grub/command.h>
#include <grub/extcmd.h>
#include <grub/i18n.h>
#include <grub/video.h>
#ifdef GRUB_MACHINE_PCBIOS
#include <grub/machine/biosnum.h>
#endif
@ -509,6 +509,8 @@ grub_freebsd_boot (void)
bi.bi_kernend = kern_end;
grub_video_set_mode ("text", 0, 0);
if (is_64bit)
{
grub_uint32_t *gdt;
@ -617,6 +619,8 @@ grub_openbsd_boot (void)
pa->ba_type = OPENBSD_BOOTARG_END;
pa++;
grub_video_set_mode ("text", 0, 0);
grub_unix_real_boot (entry, bootflags, openbsd_root, OPENBSD_BOOTARG_APIVER,
0, (grub_uint32_t) (grub_mmap_get_upper () >> 10),
(grub_uint32_t) (grub_mmap_get_lower () >> 10),
@ -713,6 +717,8 @@ grub_netbsd_boot (void)
bootinfo->bi_data[0] = mmap;
}
grub_video_set_mode ("text", 0, 0);
grub_unix_real_boot (entry, bootflags, 0, bootinfo,
0, (grub_uint32_t) (grub_mmap_get_upper () >> 10),
(grub_uint32_t) (grub_mmap_get_lower () >> 10));

9
loader/i386/efi/linux.c
View file

@ -1,6 +1,6 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2006,2007,2008,2009 Free Software Foundation, Inc.
* Copyright (C) 2006,2007,2008,2009,2010 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
@ -587,7 +587,7 @@ grub_linux_setup_video (struct linux_kernel_params *params)
params->reserved_mask_size = 8;
params->reserved_field_pos = 24;
params->have_vga = GRUB_VIDEO_TYPE_VLFB;
params->have_vga = GRUB_VIDEO_LINUX_TYPE_VESA;
params->vid_mode = 0x338; /* 1024x768x32 */
return 0;
@ -676,8 +676,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
goto fail;
}
/* XXX Linux assumes that only elilo can boot Linux on EFI!!! */
params->type_of_loader = (LINUX_LOADER_ID_ELILO << 4);
params->type_of_loader = (LINUX_LOADER_ID_GRUB << 4);
params->cl_magic = GRUB_LINUX_CL_MAGIC;
params->cl_offset = 0x1000;
@ -852,7 +851,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
else if (grub_memcmp (argv[i], "video=efifb", 11) == 0)
{
if (params->have_vga)
params->have_vga = GRUB_VIDEO_TYPE_EFI;
params->have_vga = GRUB_VIDEO_LINUX_TYPE_SIMPLE;
}
/* Specify the boot file. */

10
loader/i386/linux.c
View file

@ -524,11 +524,11 @@ grub_linux_boot (void)
if (! tmp)
return grub_errno;
grub_sprintf (tmp, "%s;text", modevar);
err = grub_video_set_mode (tmp, 0);
err = grub_video_set_mode (tmp, 0, 0);
grub_free (tmp);
}
else
err = grub_video_set_mode ("text", 0);
err = grub_video_set_mode ("text", 0, 0);
if (err)
{
@ -538,16 +538,16 @@ grub_linux_boot (void)
}
if (! grub_linux_setup_video (params))
params->have_vga = GRUB_VIDEO_TYPE_VLFB;
params->have_vga = GRUB_VIDEO_LINUX_TYPE_VESA;
else
{
params->have_vga = GRUB_VIDEO_TYPE_TEXT;
params->have_vga = GRUB_VIDEO_LINUX_TYPE_TEXT;
params->video_width = 80;
params->video_height = 25;
}
/* Initialize these last, because terminal position could be affected by printfs above. */
if (params->have_vga == GRUB_VIDEO_TYPE_TEXT)
if (params->have_vga == GRUB_VIDEO_LINUX_TYPE_TEXT)
{
grub_term_output_t term;
int found = 0;

336
loader/i386/multiboot.c
View file

@ -1,7 +1,7 @@
/* multiboot.c - boot a multiboot OS image. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2007,2008,2009 Free Software Foundation, Inc.
* Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2007,2008,2009,2010 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
@ -28,13 +28,11 @@
*/
/* The bits in the required part of flags field we don't support. */
#define UNSUPPORTED_FLAGS 0x0000fffc
#define UNSUPPORTED_FLAGS 0x0000fff8
#include <grub/loader.h>
#include <grub/machine/loader.h>
#include <grub/multiboot.h>
#include <grub/machine/init.h>
#include <grub/machine/memory.h>
#include <grub/cpu/multiboot.h>
#include <grub/elf.h>
#include <grub/aout.h>
@ -45,31 +43,29 @@
#include <grub/misc.h>
#include <grub/gzio.h>
#include <grub/env.h>
#ifdef GRUB_MACHINE_PCBIOS
#include <grub/machine/biosnum.h>
#include <grub/disk.h>
#include <grub/device.h>
#include <grub/partition.h>
#endif
#include <grub/i386/relocator.h>
#include <grub/video.h>
#ifdef GRUB_MACHINE_EFI
#include <grub/efi/efi.h>
#endif
extern grub_dl_t my_mod;
static struct multiboot_info *mbi, *mbi_dest;
static grub_size_t code_size;
static grub_size_t code_size, alloc_mbi;
char *grub_multiboot_payload_orig;
grub_addr_t grub_multiboot_payload_dest;
grub_size_t grub_multiboot_payload_size;
grub_size_t grub_multiboot_pure_size;
grub_uint32_t grub_multiboot_payload_eip;
static grub_err_t
grub_multiboot_boot (void)
{
grub_size_t mbi_size;
grub_err_t err;
struct grub_relocator32_state state =
{
.eax = MULTIBOOT_BOOTLOADER_MAGIC,
.ebx = PTR_TO_UINT32 (mbi_dest),
.ecx = 0,
.edx = 0,
.eip = grub_multiboot_payload_eip,
@ -78,6 +74,29 @@ grub_multiboot_boot (void)
.esp = 0x7ff00
};
mbi_size = grub_multiboot_get_mbi_size ();
if (alloc_mbi < mbi_size)
{
grub_multiboot_payload_orig
= grub_relocator32_realloc (grub_multiboot_payload_orig,
grub_multiboot_pure_size + mbi_size);
if (!grub_multiboot_payload_orig)
return grub_errno;
alloc_mbi = mbi_size;
}
state.ebx = grub_multiboot_payload_dest + grub_multiboot_pure_size;
err = grub_multiboot_make_mbi (grub_multiboot_payload_orig,
grub_multiboot_payload_dest,
grub_multiboot_pure_size, mbi_size);
if (err)
return err;
#ifdef GRUB_MACHINE_EFI
if (! grub_efi_finish_boot_services ())
grub_fatal ("cannot exit boot services");
#endif
grub_relocator32_boot (grub_multiboot_payload_orig,
grub_multiboot_payload_dest,
state);
@ -89,69 +108,18 @@ grub_multiboot_boot (void)
static grub_err_t
grub_multiboot_unload (void)
{
if (mbi)
{
unsigned int i;
for (i = 0; i < mbi->mods_count; i++)
{
grub_free ((void *)
((struct multiboot_mod_list *) mbi->mods_addr)[i].mod_start);
grub_free ((void *)
((struct multiboot_mod_list *) mbi->mods_addr)[i].cmdline);
}
grub_free ((void *) mbi->mods_addr);
}
grub_multiboot_free_mbi ();
grub_relocator32_free (grub_multiboot_payload_orig);
mbi = NULL;
alloc_mbi = 0;
grub_multiboot_payload_orig = NULL;
grub_dl_unref (my_mod);
return GRUB_ERR_NONE;
}
/* Return the length of the Multiboot mmap that will be needed to allocate
our platform's map. */
static grub_uint32_t
grub_get_multiboot_mmap_len (void)
{
grub_size_t count = 0;
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t);
int NESTED_FUNC_ATTR hook (grub_uint64_t addr __attribute__ ((unused)),
grub_uint64_t size __attribute__ ((unused)),
grub_uint32_t type __attribute__ ((unused)))
{
count++;
return 0;
}
grub_mmap_iterate (hook);
return count * sizeof (struct multiboot_mmap_entry);
}
/* Fill previously allocated Multiboot mmap. */
static void
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)
{
mmap_entry->addr = addr;
mmap_entry->len = size;
mmap_entry->type = type;
mmap_entry->size = sizeof (struct multiboot_mmap_entry) - sizeof (mmap_entry->size);
mmap_entry++;
return 0;
}
grub_mmap_iterate (hook);
}
#define MULTIBOOT_LOAD_ELF64
#include "multiboot_elfxx.c"
#undef MULTIBOOT_LOAD_ELF64
@ -172,58 +140,13 @@ grub_multiboot_load_elf (grub_file_t file, void *buffer)
return grub_error (GRUB_ERR_UNKNOWN_OS, "unknown ELF class");
}
static int
grub_multiboot_get_bootdev (grub_uint32_t *bootdev)
{
#ifdef GRUB_MACHINE_PCBIOS
char *p;
grub_uint32_t biosdev, slice = ~0, part = ~0;
grub_device_t dev;
biosdev = grub_get_root_biosnumber ();
dev = grub_device_open (0);
if (dev && dev->disk && dev->disk->partition)
{
p = dev->disk->partition->partmap->get_name (dev->disk->partition);
if (p)
{
if ((p[0] >= '0') && (p[0] <= '9'))
{
slice = grub_strtoul (p, &p, 0) - 1;
if ((p) && (p[0] == ','))
p++;
}
if ((p[0] >= 'a') && (p[0] <= 'z'))
part = p[0] - 'a';
}
}
if (dev)
grub_device_close (dev);
*bootdev = ((biosdev & 0xff) << 24) | ((slice & 0xff) << 16)
| ((part & 0xff) << 8) | 0xff;
return (biosdev != ~0UL);
#else
*bootdev = 0xffffffff;
return 0;
#endif
}
void
grub_multiboot (int argc, char *argv[])
{
grub_file_t file = 0;
char buffer[MULTIBOOT_SEARCH], *cmdline = 0, *p;
char buffer[MULTIBOOT_SEARCH];
struct multiboot_header *header;
grub_ssize_t len, cmdline_length, boot_loader_name_length;
grub_uint32_t mmap_length;
int i;
int cmdline_argc;
char **cmdline_argv;
grub_ssize_t len;
grub_loader_unset ();
@ -274,31 +197,8 @@ grub_multiboot (int argc, char *argv[])
grub_relocator32_free (grub_multiboot_payload_orig);
grub_multiboot_payload_orig = NULL;
mmap_length = grub_get_multiboot_mmap_len ();
/* Figure out cmdline length. */
/* Skip filename. */
cmdline_argc = argc - 1;
cmdline_argv = argv + 1;
for (i = 0, cmdline_length = 0; i < cmdline_argc; i++)
cmdline_length += grub_strlen (cmdline_argv[i]) + 1;
if (cmdline_length == 0)
cmdline_length = 1;
boot_loader_name_length = sizeof(PACKAGE_STRING);
#define cmdline_addr(x) ((void *) ((x) + code_size))
#define boot_loader_name_addr(x) \
((void *) ((x) + code_size + cmdline_length))
#define mbi_addr(x) ((void *) ((x) + code_size + cmdline_length + boot_loader_name_length))
#define mmap_addr(x) ((void *) ((x) + code_size + cmdline_length + boot_loader_name_length + sizeof (struct multiboot_info)))
grub_multiboot_payload_size = cmdline_length
/* boot_loader_name_length might need to grow for mbi,etc to be aligned (see below) */
+ boot_loader_name_length + 3
+ sizeof (struct multiboot_info) + mmap_length;
grub_multiboot_init_mbi (argc - 1, argv + 1);
if (header->flags & MULTIBOOT_AOUT_KLUDGE)
{
@ -313,10 +213,12 @@ grub_multiboot (int argc, char *argv[])
code_size = load_size;
grub_multiboot_payload_dest = header->load_addr;
grub_multiboot_payload_size += code_size;
grub_multiboot_pure_size += code_size;
/* Allocate a bit more to avoid relocations in most cases. */
alloc_mbi = grub_multiboot_get_mbi_size () + 65536;
grub_multiboot_payload_orig
= grub_relocator32_alloc (grub_multiboot_payload_size);
= grub_relocator32_alloc (grub_multiboot_pure_size + alloc_mbi);
if (! grub_multiboot_payload_orig)
goto fail;
@ -338,53 +240,37 @@ grub_multiboot (int argc, char *argv[])
else if (grub_multiboot_load_elf (file, buffer) != GRUB_ERR_NONE)
goto fail;
/* This provides alignment for the MBI, the memory map and the backward relocator. */
boot_loader_name_length += (0x04 - ((unsigned long) mbi_addr (grub_multiboot_payload_dest) & 0x03));
mbi = mbi_addr (grub_multiboot_payload_orig);
mbi_dest = mbi_addr (grub_multiboot_payload_dest);
grub_memset (mbi, 0, sizeof (struct multiboot_info));
mbi->mmap_length = mmap_length;
grub_fill_multiboot_mmap (mmap_addr (grub_multiboot_payload_orig));
/* FIXME: grub_uint32_t will break for addresses above 4 GiB, but is mandated
by the spec. Is there something we can do about it? */
mbi->mmap_addr = (grub_uint32_t) mmap_addr (grub_multiboot_payload_dest);
mbi->flags |= MULTIBOOT_INFO_MEM_MAP;
/* Convert from bytes to kilobytes. */
mbi->mem_lower = grub_mmap_get_lower () / 1024;
mbi->mem_upper = grub_mmap_get_upper () / 1024;
mbi->flags |= MULTIBOOT_INFO_MEMORY;
cmdline = p = cmdline_addr (grub_multiboot_payload_orig);
if (! cmdline)
goto fail;
for (i = 0; i < cmdline_argc; i++)
if (header->flags & MULTIBOOT_VIDEO_MODE)
{
p = grub_stpcpy (p, cmdline_argv[i]);
*(p++) = ' ';
switch (header->mode_type)
{
case 1:
grub_env_set ("gfxpayload", "text");
break;
case 0:
{
char buf[sizeof ("XXXXXXXXXXxXXXXXXXXXXxXXXXXXXXXX,XXXXXXXXXXxXXXXXXXXXX,auto")];
if (header->depth && header->width && header->height)
grub_sprintf (buf, "%dx%dx%d,%dx%d,auto", header->width,
header->height, header->depth, header->width,
header->height);
else if (header->width && header->height)
grub_sprintf (buf, "%dx%d,auto", header->width, header->height);
else
grub_sprintf (buf, "auto");
grub_env_set ("gfxpayload", buf);
break;
}
}
}
/* Remove the space after the last word. */
if (p != cmdline)
p--;
*p = 0;
grub_multiboot_set_accepts_video (!!(header->flags & MULTIBOOT_VIDEO_MODE));
mbi->flags |= MULTIBOOT_INFO_CMDLINE;
mbi->cmdline = (grub_uint32_t) cmdline_addr (grub_multiboot_payload_dest);
grub_multiboot_set_bootdev ();
grub_strcpy (boot_loader_name_addr (grub_multiboot_payload_orig), PACKAGE_STRING);
mbi->flags |= MULTIBOOT_INFO_BOOT_LOADER_NAME;
mbi->boot_loader_name = (grub_uint32_t) boot_loader_name_addr (grub_multiboot_payload_dest);
if (grub_multiboot_get_bootdev (&mbi->boot_device))
mbi->flags |= MULTIBOOT_INFO_BOOTDEV;
grub_loader_set (grub_multiboot_boot, grub_multiboot_unload, 1);
grub_loader_set (grub_multiboot_boot, grub_multiboot_unload, 0);
fail:
if (file)
@ -392,22 +278,18 @@ grub_multiboot (int argc, char *argv[])
if (grub_errno != GRUB_ERR_NONE)
{
grub_free (cmdline);
grub_free (mbi);
grub_relocator32_free (grub_multiboot_payload_orig);
grub_dl_unref (my_mod);
}
}
void
grub_module (int argc, char *argv[])
{
grub_file_t file = 0;
grub_ssize_t size, len = 0;
char *module = 0, *cmdline = 0, *p;
int i;
int cmdline_argc;
char **cmdline_argv;
grub_ssize_t size;
char *module = 0;
grub_err_t err;
if (argc == 0)
{
@ -415,7 +297,7 @@ grub_module (int argc, char *argv[])
goto fail;
}
if (!mbi)
if (!grub_multiboot_payload_orig)
{
grub_error (GRUB_ERR_BAD_ARGUMENT,
"you need to load the multiboot kernel first");
@ -431,73 +313,19 @@ grub_module (int argc, char *argv[])
if (! module)
goto fail;
err = grub_multiboot_add_module ((grub_addr_t) module, size,
argc - 1, argv + 1);
if (err)
goto fail;
if (grub_file_read (file, module, size) != size)
{
grub_error (GRUB_ERR_FILE_READ_ERROR, "couldn't read file");
goto fail;
}
/* Skip module name. */
cmdline_argc = argc - 1;
cmdline_argv = argv + 1;
for (i = 0; i < cmdline_argc; i++)
len += grub_strlen (cmdline_argv[i]) + 1;
if (len == 0)
len = 1;
cmdline = p = grub_malloc (len);
if (! cmdline)
goto fail;
for (i = 0; i < cmdline_argc; i++)
{
p = grub_stpcpy (p, cmdline_argv[i]);
*(p++) = ' ';
}
/* Remove the space after the last word. */
if (p != cmdline)
p--;
*p = '\0';
if (mbi->flags & MULTIBOOT_INFO_MODS)
{
struct multiboot_mod_list *modlist = (struct multiboot_mod_list *) mbi->mods_addr;
modlist = grub_realloc (modlist, (mbi->mods_count + 1)
* sizeof (struct multiboot_mod_list));
if (! modlist)
goto fail;
mbi->mods_addr = (grub_uint32_t) modlist;
modlist += mbi->mods_count;
modlist->mod_start = (grub_uint32_t) module;
modlist->mod_end = (grub_uint32_t) module + size;
modlist->cmdline = (grub_uint32_t) cmdline;
modlist->pad = 0;
mbi->mods_count++;
}
else
{
struct multiboot_mod_list *modlist = grub_zalloc (sizeof (struct multiboot_mod_list));
if (! modlist)
goto fail;
modlist->mod_start = (grub_uint32_t) module;
modlist->mod_end = (grub_uint32_t) module + size;
modlist->cmdline = (grub_uint32_t) cmdline;
mbi->mods_count = 1;
mbi->mods_addr = (grub_uint32_t) modlist;
mbi->flags |= MULTIBOOT_INFO_MODS;
}
fail:
if (file)
grub_file_close (file);
if (grub_errno != GRUB_ERR_NONE)
{
grub_free (module);
grub_free (cmdline);
}
}

5
loader/i386/multiboot_elfxx.c
View file

@ -100,10 +100,11 @@ CONCAT(grub_multiboot_load_elf, XX) (grub_file_t file, void *buffer)
code_size = (phdr(highest_segment)->p_paddr + phdr(highest_segment)->p_memsz) - phdr(lowest_segment)->p_paddr;
grub_multiboot_payload_dest = phdr(lowest_segment)->p_paddr;
grub_multiboot_payload_size += code_size;
grub_multiboot_pure_size += code_size;
alloc_mbi = grub_multiboot_get_mbi_size ();
grub_multiboot_payload_orig
= grub_relocator32_alloc (grub_multiboot_payload_size);
= grub_relocator32_alloc (grub_multiboot_pure_size + alloc_mbi + 65536);
if (!grub_multiboot_payload_orig)
return grub_errno;

463
loader/i386/multiboot_mbi.c Normal file
View file

@ -0,0 +1,463 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2007,2008,2009 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/machine/memory.h>
#include <grub/memory.h>
#ifdef GRUB_MACHINE_PCBIOS
#include <grub/machine/biosnum.h>
#endif
#include <grub/multiboot.h>
#include <grub/cpu/multiboot.h>
#include <grub/disk.h>
#include <grub/device.h>
#include <grub/partition.h>
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/env.h>
#include <grub/video.h>
#if defined (GRUB_MACHINE_PCBIOS) || defined (GRUB_MACHINE_COREBOOT) || defined (GRUB_MACHINE_QEMU)
#include <grub/i386/pc/vbe.h>
#define DEFAULT_VIDEO_MODE "text"
#define HAS_VGA_TEXT 1
#else
#define DEFAULT_VIDEO_MODE "auto"
#define HAS_VGA_TEXT 0
#endif
struct module
{
struct module *next;
grub_addr_t start;
grub_size_t size;
char *cmdline;
int cmdline_size;
};
struct module *modules, *modules_last;
static grub_size_t cmdline_size;
static grub_size_t total_modcmd;
static unsigned modcnt;
static char *cmdline = NULL;
static grub_uint32_t bootdev;
static int bootdev_set;
static int accepts_video;
void
grub_multiboot_set_accepts_video (int val)
{
accepts_video = val;
}
/* Return the length of the Multiboot mmap that will be needed to allocate
our platform's map. */
static grub_uint32_t
grub_get_multiboot_mmap_len (void)
{
grub_size_t count = 0;
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t);
int NESTED_FUNC_ATTR hook (grub_uint64_t addr __attribute__ ((unused)),
grub_uint64_t size __attribute__ ((unused)),
grub_uint32_t type __attribute__ ((unused)))
{
count++;
return 0;
}
grub_mmap_iterate (hook);
return count * sizeof (struct multiboot_mmap_entry);
}
grub_size_t
grub_multiboot_get_mbi_size (void)
{
return 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_len ()
+ 256 * sizeof (struct multiboot_color);
}
/* Fill previously allocated Multiboot mmap. */
static void
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)
{
mmap_entry->addr = addr;
mmap_entry->len = size;
switch (type)
{
case GRUB_MACHINE_MEMORY_AVAILABLE:
mmap_entry->type = MULTIBOOT_MEMORY_AVAILABLE;
break;
default:
mmap_entry->type = MULTIBOOT_MEMORY_RESERVED;
break;
}
mmap_entry->size = sizeof (struct multiboot_mmap_entry) - sizeof (mmap_entry->size);
mmap_entry++;
return 0;
}
grub_mmap_iterate (hook);
}
static grub_err_t
set_video_mode (void)
{
grub_err_t err;
const char *modevar;
if (accepts_video || !HAS_VGA_TEXT)
{
modevar = grub_env_get ("gfxpayload");
if (! modevar || *modevar == 0)
err = grub_video_set_mode (DEFAULT_VIDEO_MODE, 0, 0);
else
{
char *tmp;
tmp = grub_malloc (grub_strlen (modevar)
+ sizeof (DEFAULT_VIDEO_MODE) + 1);
if (! tmp)
return grub_errno;
grub_sprintf (tmp, "%s;" DEFAULT_VIDEO_MODE, modevar);
err = grub_video_set_mode (tmp, 0, 0);
grub_free (tmp);
}
}
else
err = grub_video_set_mode ("text", 0, 0);
return err;
}
static grub_err_t
retrieve_video_parameters (struct multiboot_info *mbi,
grub_uint8_t *ptrorig, grub_uint32_t ptrdest)
{
grub_err_t err;
struct grub_video_mode_info mode_info;
void *framebuffer;
grub_video_driver_id_t driv_id;
struct grub_video_palette_data palette[256];
err = set_video_mode ();
if (err)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
}
grub_video_get_palette (0, ARRAY_SIZE (palette), palette);
driv_id = grub_video_get_driver_id ();
if (driv_id == GRUB_VIDEO_DRIVER_NONE)
return GRUB_ERR_NONE;
err = grub_video_get_info_and_fini (&mode_info, &framebuffer);
if (err)
return err;
mbi->framebuffer_addr = (grub_addr_t) framebuffer;
mbi->framebuffer_pitch = mode_info.pitch;
mbi->framebuffer_width = mode_info.width;
mbi->framebuffer_height = mode_info.height;
mbi->framebuffer_bpp = mode_info.bpp;
if (mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_INDEX_COLOR)
{
struct multiboot_color *mb_palette;
unsigned i;
mbi->framebuffer_type = MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED;
mbi->framebuffer_palette_addr = ptrdest;
mbi->framebuffer_palette_num_colors = mode_info.number_of_colors;
if (mbi->framebuffer_palette_num_colors > ARRAY_SIZE (palette))
mbi->framebuffer_palette_num_colors = ARRAY_SIZE (palette);
mb_palette = (struct multiboot_color *) ptrorig;
for (i = 0; i < mbi->framebuffer_palette_num_colors; i++)
{
mb_palette[i].red = palette[i].r;
mb_palette[i].green = palette[i].g;
mb_palette[i].blue = palette[i].b;
}
ptrorig += mbi->framebuffer_palette_num_colors
* sizeof (struct multiboot_color);
ptrdest += mbi->framebuffer_palette_num_colors
* sizeof (struct multiboot_color);
}
else
{
mbi->framebuffer_type = MULTIBOOT_FRAMEBUFFER_TYPE_RGB;
mbi->framebuffer_red_field_position = mode_info.green_field_pos;
mbi->framebuffer_red_mask_size = mode_info.green_mask_size;
mbi->framebuffer_green_field_position = mode_info.green_field_pos;
mbi->framebuffer_green_mask_size = mode_info.green_mask_size;
mbi->framebuffer_blue_field_position = mode_info.blue_field_pos;
mbi->framebuffer_blue_mask_size = mode_info.blue_mask_size;
}
mbi->flags |= MULTIBOOT_INFO_FRAMEBUFFER_INFO;
return GRUB_ERR_NONE;
}
grub_err_t
grub_multiboot_make_mbi (void *orig, grub_uint32_t dest, grub_off_t buf_off,
grub_size_t bufsize)
{
grub_uint8_t *ptrorig = (grub_uint8_t *) orig + buf_off;
grub_uint32_t ptrdest = dest + buf_off;
struct multiboot_info *mbi;
struct multiboot_mod_list *modlist;
unsigned i;
struct module *cur;
grub_size_t mmap_size;
grub_err_t err;
if (bufsize < grub_multiboot_get_mbi_size ())
return grub_error (GRUB_ERR_OUT_OF_MEMORY, "mbi buffer is too small");
mbi = (struct multiboot_info *) ptrorig;
ptrorig += sizeof (*mbi);
ptrdest += sizeof (*mbi);
grub_memset (mbi, 0, sizeof (*mbi));
grub_memcpy (ptrorig, cmdline, cmdline_size);
mbi->flags |= MULTIBOOT_INFO_CMDLINE;
mbi->cmdline = ptrdest;
ptrorig += ALIGN_UP (cmdline_size, 4);
ptrdest += ALIGN_UP (cmdline_size, 4);
grub_memcpy (ptrorig, PACKAGE_STRING, sizeof(PACKAGE_STRING));
mbi->flags |= MULTIBOOT_INFO_BOOT_LOADER_NAME;
mbi->boot_loader_name = ptrdest;
ptrorig += ALIGN_UP (sizeof(PACKAGE_STRING), 4);
ptrdest += ALIGN_UP (sizeof(PACKAGE_STRING), 4);
if (modcnt)
{
mbi->flags |= MULTIBOOT_INFO_MODS;
mbi->mods_addr = ptrdest;
mbi->mods_count = modcnt;
modlist = (struct multiboot_mod_list *) ptrorig;
ptrorig += modcnt * sizeof (struct multiboot_mod_list);
ptrdest += modcnt * sizeof (struct multiboot_mod_list);
for (i = 0, cur = modules; i < modcnt; i++, cur = cur->next)
{
modlist[i].mod_start = cur->start;
modlist[i].mod_end = modlist[i].mod_start + cur->size;
modlist[i].cmdline = ptrdest;
grub_memcpy (ptrorig, cur->cmdline, cur->cmdline_size);
ptrorig += ALIGN_UP (cur->cmdline_size, 4);
ptrdest += ALIGN_UP (cur->cmdline_size, 4);
}
}
else
{
mbi->mods_addr = 0;
mbi->mods_count = 0;
}
mmap_size = grub_get_multiboot_mmap_len ();
grub_fill_multiboot_mmap ((struct multiboot_mmap_entry *) ptrorig);
mbi->mmap_length = mmap_size;
mbi->mmap_addr = ptrdest;
mbi->flags |= MULTIBOOT_INFO_MEM_MAP;
ptrorig += mmap_size;
ptrdest += mmap_size;
/* Convert from bytes to kilobytes. */
mbi->mem_lower = grub_mmap_get_lower () / 1024;
mbi->mem_upper = grub_mmap_get_upper () / 1024;
mbi->flags |= MULTIBOOT_INFO_MEMORY;
if (bootdev_set)
{
mbi->boot_device = bootdev;
mbi->flags |= MULTIBOOT_INFO_BOOTDEV;
}
err = retrieve_video_parameters (mbi, ptrorig, ptrdest);
if (err)
{
grub_print_error ();
grub_errno = GRUB_ERR_NONE;
}
return GRUB_ERR_NONE;
}
void
grub_multiboot_free_mbi (void)
{
struct module *cur, *next;
cmdline_size = 0;
total_modcmd = 0;
modcnt = 0;
grub_free (cmdline);
cmdline = NULL;
bootdev_set = 0;
for (cur = modules; cur; cur = next)
{
next = cur->next;
grub_free (cur->cmdline);
grub_free (cur);
}
modules = NULL;
modules_last = NULL;
}
grub_err_t
grub_multiboot_init_mbi (int argc, char *argv[])
{
grub_ssize_t len = 0;
char *p;
int i;
grub_multiboot_free_mbi ();
for (i = 0; i < argc; i++)
len += grub_strlen (argv[i]) + 1;
if (len == 0)
len = 1;
cmdline = p = grub_malloc (len);
if (! cmdline)
return grub_errno;
cmdline_size = len;
for (i = 0; i < argc; i++)
{
p = grub_stpcpy (p, argv[i]);
*(p++) = ' ';
}
/* Remove the space after the last word. */
if (p != cmdline)
p--;
*p = '\0';
return GRUB_ERR_NONE;
}
grub_err_t
grub_multiboot_add_module (grub_addr_t start, grub_size_t size,
int argc, char *argv[])
{
struct module *newmod;
char *p;
grub_ssize_t len = 0;
int i;
newmod = grub_malloc (sizeof (*newmod));
if (!newmod)
return grub_errno;
newmod->start = start;
newmod->size = size;
for (i = 0; i < argc; i++)
len += grub_strlen (argv[i]) + 1;
if (len == 0)
len = 1;
newmod->cmdline = p = grub_malloc (len);
if (! newmod->cmdline)
{
grub_free (newmod);
return grub_errno;
}
newmod->cmdline_size = len;
total_modcmd += ALIGN_UP (len, 4);
for (i = 0; i < argc; i++)
{
p = grub_stpcpy (p, argv[i]);
*(p++) = ' ';
}
/* Remove the space after the last word. */
if (p != newmod->cmdline)
p--;
*p = '\0';
if (modules_last)
modules_last->next = newmod;
else
{
modules = newmod;
modules_last->next = NULL;
}
modules_last = newmod;
modcnt++;
return GRUB_ERR_NONE;
}
void
grub_multiboot_set_bootdev (void)
{
char *p;
grub_uint32_t biosdev, slice = ~0, part = ~0;
grub_device_t dev;
#ifdef GRUB_MACHINE_PCBIOS
biosdev = grub_get_root_biosnumber ();
#else
biosdev = 0xffffffff;
#endif
dev = grub_device_open (0);
if (dev && dev->disk && dev->disk->partition)
{
p = dev->disk->partition->partmap->get_name (dev->disk->partition);
if (p)
{
if ((p[0] >= '0') && (p[0] <= '9'))
{
slice = grub_strtoul (p, &p, 0) - 1;
if ((p) && (p[0] == ','))
p++;
}
if ((p[0] >= 'a') && (p[0] <= 'z'))
part = p[0] - 'a';
}
}
if (dev)
grub_device_close (dev);
bootdev = ((biosdev & 0xff) << 24) | ((slice & 0xff) << 16)
| ((part & 0xff) << 8) | 0xff;
bootdev_set = 1;
}

5
loader/i386/pc/chainloader.c
View file

@ -1,7 +1,7 @@
/* chainloader.c - boot another boot loader */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002,2004,2007,2009 Free Software Foundation, Inc.
* 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
@ -33,6 +33,8 @@
#include <grub/command.h>
#include <grub/machine/biosnum.h>
#include <grub/i18n.h>
#include <grub/video.h>
#include <grub/mm.h>
static grub_dl_t my_mod;
static int boot_drive;
@ -41,6 +43,7 @@ static void *boot_part_addr;
static grub_err_t
grub_chainloader_boot (void)
{
grub_video_set_mode ("text", 0, 0);
grub_chainloader_real_boot (boot_drive, boot_part_addr);
/* Never reach here. */

14
loader/i386/pc/linux.c
View file

@ -1,7 +1,7 @@
/* linux.c - boot Linux zImage or bzImage */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2007,2008,2009 Free Software Foundation, Inc.
* Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2007,2008,2009,2010 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
@ -31,6 +31,8 @@
#include <grub/cpu/linux.h>
#include <grub/command.h>
#include <grub/i18n.h>
#include <grub/mm.h>
#include <grub/video.h>
#define GRUB_LINUX_CL_OFFSET 0x9000
#define GRUB_LINUX_CL_END_OFFSET 0x90FF
@ -48,6 +50,16 @@ grub_linux_unload (void)
return GRUB_ERR_NONE;
}
static grub_err_t
grub_linux16_boot (void)
{
grub_video_set_mode ("text", 0, 0);
grub_linux16_real_boot ();
/* Not reached. */
return GRUB_ERR_NONE;
}
static grub_err_t
grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])

122
loader/i386/pc/multiboot2.c
View file

@ -1,122 +0,0 @@
/* multiboot2.c - boot a multiboot 2 OS image. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2007,2008,2009 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/multiboot2.h>
#include <multiboot2.h>
#include <grub/elf.h>
#include <grub/err.h>
#include <grub/machine/loader.h>
#include <grub/mm.h>
#include <grub/multiboot.h>
#include <grub/cpu/multiboot.h>
grub_err_t
grub_mb2_arch_elf32_hook (Elf32_Phdr *phdr,
grub_addr_t *addr __attribute__ ((unused)),
int *do_load)
{
Elf32_Addr paddr = phdr->p_paddr;
if (phdr->p_type != PT_LOAD)
{
*do_load = 0;
return 0;
}
*do_load = 1;
if ((paddr < grub_os_area_addr)
|| (paddr + phdr->p_memsz > grub_os_area_addr + grub_os_area_size))
return grub_error(GRUB_ERR_OUT_OF_RANGE,"address 0x%x is out of range",
paddr);
return GRUB_ERR_NONE;
}
grub_err_t
grub_mb2_arch_elf64_hook (Elf64_Phdr *phdr,
grub_addr_t *addr __attribute__ ((unused)),
int *do_load)
{
Elf64_Addr paddr = phdr->p_paddr;
if (phdr->p_type != PT_LOAD)
{
*do_load = 0;
return 0;
}
*do_load = 1;
if ((paddr < grub_os_area_addr)
|| (paddr + phdr->p_memsz > grub_os_area_addr + grub_os_area_size))
return grub_error (GRUB_ERR_OUT_OF_RANGE, "address 0x%x is out of range",
paddr);
return GRUB_ERR_NONE;
}
grub_err_t
grub_mb2_arch_module_alloc (grub_size_t size, grub_addr_t *addr)
{
grub_addr_t modaddr;
modaddr = (grub_addr_t) grub_memalign (MULTIBOOT2_MOD_ALIGN, size);
if (! modaddr)
return grub_errno;
*addr = modaddr;
return GRUB_ERR_NONE;
}
grub_err_t
grub_mb2_arch_module_free (grub_addr_t addr,
grub_size_t size __attribute__ ((unused)))
{
grub_free((void *) addr);
return GRUB_ERR_NONE;
}
void
grub_mb2_arch_boot (grub_addr_t entry, void *tags)
{
grub_multiboot2_real_boot (entry, tags);
}
void
grub_mb2_arch_unload (struct multiboot2_tag_header *tags)
{
struct multiboot2_tag_header *tag;
/* Free all module memory in the tag list. */
for_each_tag (tag, tags)
{
if (tag->key == MULTIBOOT2_TAG_MODULE)
{
struct multiboot2_tag_module *module =
(struct multiboot2_tag_module *) tag;
grub_free((void *) module->addr);
}
}
}
grub_err_t
grub_mb2_tags_arch_create (void)
{
/* XXX Create boot device et al. */
return GRUB_ERR_NONE;
}

22
loader/i386/pc/xnu.c
View file

@ -26,16 +26,7 @@
#define min(a,b) (((a) < (b)) ? (a) : (b))
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define DEFAULT_VIDEO_MODE "1024x768x32,800x600x32,640x480x32"
static int NESTED_FUNC_ATTR video_hook (grub_video_adapter_t p __attribute__ ((unused)),
struct grub_video_mode_info *info)
{
if (info->mode_type & GRUB_VIDEO_MODE_TYPE_PURE_TEXT)
return 0;
return 1;
}
#define DEFAULT_VIDEO_MODE "auto"
/* Setup video for xnu. */
grub_err_t
@ -48,8 +39,12 @@ grub_xnu_set_video (struct grub_xnu_boot_params *params)
grub_err_t err;
modevar = grub_env_get ("gfxpayload");
/* Consider only graphical 32-bit deep modes. */
if (! modevar || *modevar == 0)
err = grub_video_set_mode (DEFAULT_VIDEO_MODE, video_hook);
err = grub_video_set_mode (DEFAULT_VIDEO_MODE,
GRUB_VIDEO_MODE_TYPE_PURE_TEXT
| GRUB_VIDEO_MODE_TYPE_DEPTH_MASK,
32 << GRUB_VIDEO_MODE_TYPE_DEPTH_POS);
else
{
tmp = grub_malloc (grub_strlen (modevar)
@ -58,7 +53,10 @@ grub_xnu_set_video (struct grub_xnu_boot_params *params)
return grub_error (GRUB_ERR_OUT_OF_MEMORY,
"couldn't allocate temporary storag");
grub_sprintf (tmp, "%s;" DEFAULT_VIDEO_MODE, modevar);
err = grub_video_set_mode (tmp, video_hook);
err = grub_video_set_mode (tmp,
GRUB_VIDEO_MODE_TYPE_PURE_TEXT
| GRUB_VIDEO_MODE_TYPE_DEPTH_MASK,
32 << GRUB_VIDEO_MODE_TYPE_DEPTH_POS);
grub_free (tmp);
}