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Merge mainline into yeeloongfw

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-06-30 02:30:05 +02:00
commit b7e79e8a6a
155 changed files with 5949 additions and 2562 deletions
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49
kern/dl.c
View file

@ -39,31 +39,17 @@
struct grub_dl_list
{
struct grub_dl_list *next;
grub_dl_t mod;
};
typedef struct grub_dl_list *grub_dl_list_t;
static grub_dl_list_t grub_dl_head;
grub_dl_t grub_dl_head = 0;
static grub_err_t
grub_dl_add (grub_dl_t mod)
{
grub_dl_list_t l;
if (grub_dl_get (mod->name))
return grub_error (GRUB_ERR_BAD_MODULE,
"`%s' is already loaded", mod->name);
l = (grub_dl_list_t) grub_malloc (sizeof (*l));
if (! l)
return grub_errno;
l->mod = mod;
l->next = grub_dl_head;
grub_dl_head = l;
mod->next = grub_dl_head;
grub_dl_head = mod;
return GRUB_ERR_NONE;
}
@ -71,13 +57,12 @@ grub_dl_add (grub_dl_t mod)
static void
grub_dl_remove (grub_dl_t mod)
{
grub_dl_list_t *p, q;
grub_dl_t *p, q;
for (p = &grub_dl_head, q = *p; q; p = &q->next, q = *p)
if (q->mod == mod)
if (q == mod)
{
*p = q->next;
grub_free (q);
return;
}
}
@ -85,25 +70,15 @@ grub_dl_remove (grub_dl_t mod)
grub_dl_t
grub_dl_get (const char *name)
{
grub_dl_list_t l;
grub_dl_t l;
for (l = grub_dl_head; l; l = l->next)
if (grub_strcmp (name, l->mod->name) == 0)
return l->mod;
if (grub_strcmp (name, l->name) == 0)
return l;
return 0;
}
void
grub_dl_iterate (int (*hook) (grub_dl_t mod))
{
grub_dl_list_t l;
for (l = grub_dl_head; l; l = l->next)
if (hook (l->mod))
break;
}
struct grub_symbol
@ -694,11 +669,11 @@ grub_dl_unload_unneeded (void)
{
/* Because grub_dl_remove modifies the list of modules, this
implementation is tricky. */
grub_dl_list_t p = grub_dl_head;
grub_dl_t p = grub_dl_head;
while (p)
{
if (grub_dl_unload (p->mod))
if (grub_dl_unload (p))
{
p = grub_dl_head;
continue;
@ -714,13 +689,13 @@ grub_dl_unload_all (void)
{
while (grub_dl_head)
{
grub_dl_list_t p;
grub_dl_t p;
grub_dl_unload_unneeded ();
/* Force to decrement the ref count. This will purge pre-loaded
modules and manually inserted modules. */
for (p = grub_dl_head; p; p = p->next)
p->mod->ref_count--;
p->ref_count--;
}
}

23
kern/efi/mm.c
View file

@ -346,6 +346,7 @@ grub_efi_mm_init (void)
grub_efi_uintn_t desc_size;
grub_efi_uint64_t total_pages;
grub_efi_uint64_t required_pages;
int mm_status;
/* First of all, allocate pages to maintain allocations. */
allocated_pages
@ -361,16 +362,32 @@ grub_efi_mm_init (void)
if (! memory_map)
grub_fatal ("cannot allocate memory");
filtered_memory_map = NEXT_MEMORY_DESCRIPTOR (memory_map, MEMORY_MAP_SIZE);
/* Obtain descriptors for available memory. */
map_size = MEMORY_MAP_SIZE;
if (grub_efi_get_memory_map (&map_size, memory_map, 0, &desc_size, 0) < 0)
mm_status = grub_efi_get_memory_map (&map_size, memory_map, 0, &desc_size, 0);
if (mm_status == 0)
{
grub_efi_free_pages
((grub_efi_physical_address_t) ((grub_addr_t) memory_map),
2 * BYTES_TO_PAGES (MEMORY_MAP_SIZE));
memory_map = grub_efi_allocate_pages (0, 2 * BYTES_TO_PAGES (map_size));
if (! memory_map)
grub_fatal ("cannot allocate memory");
mm_status = grub_efi_get_memory_map (&map_size, memory_map, 0,
&desc_size, 0);
}
if (mm_status < 0)
grub_fatal ("cannot get memory map");
memory_map_end = NEXT_MEMORY_DESCRIPTOR (memory_map, map_size);
filtered_memory_map = memory_map_end;
filtered_memory_map_end = filter_memory_map (memory_map, filtered_memory_map,
desc_size, memory_map_end);

86
kern/emu/getroot.c
View file

@ -80,6 +80,86 @@ xgetcwd (void)
return path;
}
#ifdef __linux__
/* Statting something on a btrfs filesystem always returns a virtual device
major/minor pair rather than the real underlying device, because btrfs
can span multiple underlying devices (and even if it's currently only
using a single device it can be dynamically extended onto another). We
can't deal with the multiple-device case yet, but in the meantime, we can
at least cope with the single-device case by scanning
/proc/self/mountinfo. */
static char *
find_root_device_from_mountinfo (const char *dir)
{
FILE *fp;
char *buf = NULL;
size_t len = 0;
char *ret = NULL;
fp = fopen ("/proc/self/mountinfo", "r");
if (! fp)
return NULL; /* fall through to other methods */
while (getline (&buf, &len, fp) > 0)
{
int mnt_id, parent_mnt_id;
unsigned int major, minor;
char enc_root[PATH_MAX], enc_path[PATH_MAX];
int count;
size_t enc_path_len;
const char *sep;
char fstype[PATH_MAX], device[PATH_MAX];
struct stat st;
if (sscanf (buf, "%d %d %u:%u %s %s%n",
&mnt_id, &parent_mnt_id, &major, &minor, enc_root, enc_path,
&count) < 6)
continue;
if (strcmp (enc_root, "/") != 0)
continue; /* only a subtree is mounted */
enc_path_len = strlen (enc_path);
if (strncmp (dir, enc_path, enc_path_len) != 0 ||
(dir[enc_path_len] && dir[enc_path_len] != '/'))
continue;
/* This is a parent of the requested directory. /proc/self/mountinfo
is in mount order, so it must be the closest parent we've
encountered so far. If it's virtual, return its device node;
otherwise, carry on to try to find something closer. */
free (ret);
ret = NULL;
if (major != 0)
continue; /* not a virtual device */
sep = strstr (buf + count, " - ");
if (!sep)
continue;
sep += sizeof (" - ") - 1;
if (sscanf (sep, "%s %s", fstype, device) != 2)
continue;
if (stat (device, &st) < 0)
continue;
if (!S_ISBLK (st.st_mode))
continue; /* not a block device */
ret = strdup (device);
}
free (buf);
fclose (fp);
return ret;
}
#endif /* __linux__ */
#ifdef __MINGW32__
static char *
@ -366,6 +446,12 @@ grub_guess_root_device (const char *dir)
#else /* !__GNU__ */
struct stat st;
#ifdef __linux__
os_dev = find_root_device_from_mountinfo (dir);
if (os_dev)
return os_dev;
#endif /* __linux__ */
if (stat (dir, &st) < 0)
grub_util_error ("cannot stat `%s'", dir);

73
kern/emu/hostdisk.c
View file

@ -342,7 +342,7 @@ find_partition_start (const char *dev)
# endif /* !defined(__NetBSD__) */
# ifdef HAVE_DEVICE_MAPPER
if (device_is_mapped (dev)) {
if (grub_device_mapper_supported () && device_is_mapped (dev)) {
struct dm_task *task = NULL;
grub_uint64_t start, length;
char *target_type, *params, *space;
@ -413,7 +413,11 @@ devmapper_fail:
if (fd == -1)
{
grub_error (GRUB_ERR_BAD_DEVICE,
# if !defined(__NetBSD__)
"cannot open `%s' while attempting to get disk geometry", dev);
# else /* defined(__NetBSD__) */
"cannot open `%s' while attempting to get disk label", dev);
# endif /* !defined(__NetBSD__) */
return 0;
}
@ -425,7 +429,11 @@ devmapper_fail:
# endif /* !defined(__NetBSD__) */
{
grub_error (GRUB_ERR_BAD_DEVICE,
# if !defined(__NetBSD__)
"cannot get disk geometry of `%s'", dev);
# else /* defined(__NetBSD__) */
"cannot get disk label of `%s'", dev);
# endif /* !defined(__NetBSD__) */
close (fd);
return 0;
}
@ -984,6 +992,11 @@ grub_util_biosdisk_fini (void)
grub_disk_dev_unregister (&grub_util_biosdisk_dev);
}
/*
* Note: we do not use the new partition naming scheme as dos_part does not
* necessarily correspond to an msdos partition. See e.g. the FreeBSD code
* in function grub_util_biosdisk_get_grub_dev.
*/
static char *
make_device_name (int drive, int dos_part, int bsd_part)
{
@ -1256,22 +1269,28 @@ devmapper_out:
return path;
#elif defined(__NetBSD__)
/* NetBSD uses "/dev/r[wsc]d[0-9]+[a-z]". */
/* NetBSD uses "/dev/r[a-z]+[0-9][a-z]". */
char *path = xstrdup (os_dev);
if (strncmp ("/dev/rwd", path, 8) == 0 ||
strncmp ("/dev/rsd", path, 8) == 0 ||
strncmp ("/dev/rcd", path, 8) == 0)
if (strncmp ("/dev/r", path, sizeof("/dev/r") - 1) == 0 &&
(path[sizeof("/dev/r") - 1] >= 'a' && path[sizeof("/dev/r") - 1] <= 'z') &&
strncmp ("fd", path + sizeof("/dev/r") - 1, sizeof("fd") - 1) != 0) /* not a floppy device name */
{
char *q;
q = path + strlen(path) - 1; /* last character */
if (grub_isalpha(*q) && grub_isdigit(*(q-1)))
{
int rawpart = -1;
char *p;
for (p = path + sizeof("/dev/r"); *p >= 'a' && *p <= 'z'; p++);
if (grub_isdigit(*p))
{
p++;
if ((*p >= 'a' && *p <= 'z') && (*(p+1) == '\0'))
{
/* path matches the required regular expression and
p points to its last character. */
int rawpart = -1;
# ifdef HAVE_GETRAWPARTITION
rawpart = getrawpartition();
rawpart = getrawpartition();
# endif /* HAVE_GETRAWPARTITION */
if (rawpart >= 0)
*q = 'a' + rawpart;
if (rawpart >= 0)
*p = 'a' + rawpart;
}
}
}
return path;
@ -1386,11 +1405,9 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
For NetBSD, proceed as for Linux, except that the start sector is
obtained from the disk label. */
{
char *name;
char *name, *partname;
grub_disk_t disk;
grub_disk_addr_t start;
int dos_part = -1;
int bsd_part = -1;
auto int find_partition (grub_disk_t dsk,
const grub_partition_t partition);
@ -1405,17 +1422,7 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
if (start == part_start)
{
if (partition->parent)
{
dos_part = partition->parent->number;
bsd_part = partition->number;
}
else
{
dos_part = partition->number;
bsd_part = -1;
}
partname = grub_partition_get_name (partition);
return 1;
}
@ -1429,8 +1436,7 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
return name;
# else /* defined(__NetBSD__) */
/* Since os_dev and convert_system_partition_to_system_disk (os_dev) are
* different, we know that os_dev is of the form /dev/r[wsc]d[0-9]+[a-z]
* and in particular it cannot be a floppy device. */
* different, we know that os_dev cannot be a floppy device. */
# endif /* !defined(__NetBSD__) */
start = find_partition_start (os_dev);
@ -1452,6 +1458,7 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
if (! disk)
return 0;
partname = NULL;
grub_partition_iterate (disk, find_partition);
if (grub_errno != GRUB_ERR_NONE)
{
@ -1459,7 +1466,7 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
return 0;
}
if (dos_part < 0)
if (partname == NULL)
{
grub_disk_close (disk);
grub_error (GRUB_ERR_BAD_DEVICE,
@ -1467,7 +1474,9 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
return 0;
}
return make_device_name (drive, dos_part, bsd_part);
name = grub_xasprintf ("%s,%s", disk->name, partname);
free (partname);
return name;
}
#elif defined(__GNU__)
@ -1512,7 +1521,7 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
for (p = os_dev + 5; *p; ++p)
if (grub_isdigit(*p))
{
p = strchr (p, 's');
p = strchr (p, 's'); /* msdos or apple (or ... ?) partition map */
if (p)
{
p++;

39
kern/emu/misc.c
View file

@ -22,6 +22,10 @@
#include <grub/time.h>
#include <grub/emu/misc.h>
#ifdef HAVE_DEVICE_MAPPER
# include <libdevmapper.h>
#endif
int verbosity;
void
@ -311,3 +315,38 @@ grub_make_system_path_relative_to_its_root (const char *path)
return buf3;
}
#ifdef HAVE_DEVICE_MAPPER
static void device_mapper_null_log (int level __attribute__ ((unused)),
const char *file __attribute__ ((unused)),
int line __attribute__ ((unused)),
int dm_errno __attribute__ ((unused)),
const char *f __attribute__ ((unused)),
...)
{
}
int
grub_device_mapper_supported (void)
{
static int supported = -1;
if (supported == -1)
{
struct dm_task *dmt;
/* Suppress annoying log messages. */
dm_log_with_errno_init (&device_mapper_null_log);
dmt = dm_task_create (DM_DEVICE_VERSION);
supported = (dmt != NULL);
if (dmt)
dm_task_destroy (dmt);
/* Restore the original logger. */
dm_log_with_errno_init (NULL);
}
return supported;
}
#endif /* HAVE_DEVICE_MAPPER */

32
kern/fs.c
View file

@ -27,40 +27,10 @@
#include <grub/mm.h>
#include <grub/term.h>
static grub_fs_t grub_fs_list;
grub_fs_t grub_fs_list = 0;
grub_fs_autoload_hook_t grub_fs_autoload_hook = 0;
void
grub_fs_register (grub_fs_t fs)
{
fs->next = grub_fs_list;
grub_fs_list = fs;
}
void
grub_fs_unregister (grub_fs_t fs)
{
grub_fs_t *p, q;
for (p = &grub_fs_list, q = *p; q; p = &(q->next), q = q->next)
if (q == fs)
{
*p = q->next;
break;
}
}
void
grub_fs_iterate (int (*hook) (const grub_fs_t fs))
{
grub_fs_t p;
for (p = grub_fs_list; p; p = p->next)
if (hook (p))
break;
}
grub_fs_t
grub_fs_probe (grub_device_t device)
{

64
kern/handler.c
View file

@ -1,64 +0,0 @@
/* handler.c - grub handler function */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 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/handler.h>
grub_handler_class_t grub_handler_class_list;
void
grub_handler_register (grub_handler_class_t class, grub_handler_t handler)
{
int first_handler = (class->handler_list == 0);
grub_list_push (GRUB_AS_LIST_P (&class->handler_list),
GRUB_AS_LIST (handler));
if (first_handler)
{
grub_list_push (GRUB_AS_LIST_P (&grub_handler_class_list),
GRUB_AS_LIST (class));
grub_handler_set_current (class, handler);
}
}
void
grub_handler_unregister (grub_handler_class_t class, grub_handler_t handler)
{
grub_list_remove (GRUB_AS_LIST_P (&class->handler_list),
GRUB_AS_LIST (handler));
if (class->handler_list == 0)
grub_list_remove (GRUB_AS_LIST_P (&grub_handler_class_list),
GRUB_AS_LIST (class));
}
grub_err_t
grub_handler_set_current (grub_handler_class_t class, grub_handler_t handler)
{
if (class->cur_handler && class->cur_handler->fini)
if ((class->cur_handler->fini) () != GRUB_ERR_NONE)
return grub_errno;
if (handler->init)
if ((handler->init) () != GRUB_ERR_NONE)
return grub_errno;
class->cur_handler = handler;
return GRUB_ERR_NONE;
}

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

@ -71,6 +71,9 @@ grub_exit (void)
void
grub_machine_init (void)
{
#ifdef GRUB_MACHINE_QEMU
grub_qemu_init_cirrus ();
#endif
/* Initialize the console as early as possible. */
grub_vga_text_init ();

8
kern/i386/pc/init.c
View file

@ -83,6 +83,14 @@ make_install_device (void)
grub_snprintf (ptr, sizeof (dev) - (ptr - dev), ")%s", grub_prefix);
grub_strcpy (grub_prefix, dev);
}
else if (grub_prefix[1] == ',' || grub_prefix[1] == ')')
{
/* We have a prefix, but still need to fill in the boot drive. */
grub_snprintf (dev, sizeof (dev),
"(%cd%u%s", (grub_boot_drive & 0x80) ? 'h' : 'f',
grub_boot_drive & 0x7f, grub_prefix + 1);
grub_strcpy (grub_prefix, dev);
}
return grub_prefix;
}

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

@ -0,0 +1,152 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/pci.h>
#include <grub/machine/kernel.h>
#include <grub/misc.h>
#include <grub/vga.h>
static struct {grub_uint8_t r, g, b, a; } colors[] =
{
// {R, G, B, A}
{0x00, 0x00, 0x00, 0xFF}, // 0 = black
{0x00, 0x00, 0xA8, 0xFF}, // 1 = blue
{0x00, 0xA8, 0x00, 0xFF}, // 2 = green
{0x00, 0xA8, 0xA8, 0xFF}, // 3 = cyan
{0xA8, 0x00, 0x00, 0xFF}, // 4 = red
{0xA8, 0x00, 0xA8, 0xFF}, // 5 = magenta
{0xA8, 0x54, 0x00, 0xFF}, // 6 = brown
{0xA8, 0xA8, 0xA8, 0xFF}, // 7 = light gray
{0x54, 0x54, 0x54, 0xFF}, // 8 = dark gray
{0x54, 0x54, 0xFE, 0xFF}, // 9 = bright blue
{0x54, 0xFE, 0x54, 0xFF}, // 10 = bright green
{0x54, 0xFE, 0xFE, 0xFF}, // 11 = bright cyan
{0xFE, 0x54, 0x54, 0xFF}, // 12 = bright red
{0xFE, 0x54, 0xFE, 0xFF}, // 13 = bright magenta
{0xFE, 0xFE, 0x54, 0xFF}, // 14 = yellow
{0xFE, 0xFE, 0xFE, 0xFF} // 15 = white
};
#include <ascii.h>
static void
load_font (void)
{
unsigned i;
grub_vga_gr_write (0 << 2, GRUB_VGA_GR_GR6);
grub_vga_sr_write (GRUB_VGA_SR_MEMORY_MODE_NORMAL, GRUB_VGA_SR_MEMORY_MODE);
grub_vga_sr_write (1 << GRUB_VGA_TEXT_FONT_PLANE,
GRUB_VGA_SR_MAP_MASK_REGISTER);
grub_vga_gr_write (0, GRUB_VGA_GR_DATA_ROTATE);
grub_vga_gr_write (0, GRUB_VGA_GR_MODE);
grub_vga_gr_write (0xff, GRUB_VGA_GR_BITMASK);
for (i = 0; i < 128; i++)
grub_memcpy ((void *) (0xa0000 + 32 * i), ascii_bitmaps + 16 * (0x7f - i), 16);
}
static void
load_palette (void)
{
unsigned i;
for (i = 0; i < 16; i++)
{
grub_outb (i, GRUB_VGA_IO_ARX);
grub_outb (i, GRUB_VGA_IO_ARX);
}
for (i = 0; i < ARRAY_SIZE (colors); i++)
grub_vga_palette_write (i, colors[i].r, colors[i].g, colors[i].b);
}
void
grub_qemu_init_cirrus (void)
{
auto int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid);
int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused)))
{
grub_pci_address_t addr;
grub_uint32_t class;
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
class = grub_pci_read (addr);
if (((class >> 16) & 0xffff) != 0x0300)
return 0;
/* FIXME: chooose addresses dynamically. */
addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
grub_pci_write (addr, 0xf0000000 | GRUB_PCI_ADDR_MEM_PREFETCH
| GRUB_PCI_ADDR_SPACE_MEMORY | GRUB_PCI_ADDR_MEM_TYPE_32);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG1);
grub_pci_write (addr, 0xf2000000
| GRUB_PCI_ADDR_SPACE_MEMORY | GRUB_PCI_ADDR_MEM_TYPE_32);
addr = grub_pci_make_address (dev, GRUB_PCI_REG_COMMAND);
grub_pci_write (addr, GRUB_PCI_COMMAND_MEM_ENABLED
| GRUB_PCI_COMMAND_IO_ENABLED);
return 1;
}
grub_pci_iterate (find_card);
grub_outb (1, 0x3c2);
load_font ();
grub_vga_gr_write (GRUB_VGA_GR_GR6_MMAP_CGA, GRUB_VGA_GR_GR6);
grub_vga_gr_write (GRUB_VGA_GR_MODE_ODD_EVEN, GRUB_VGA_GR_MODE);
grub_vga_sr_write (GRUB_VGA_SR_MEMORY_MODE_NORMAL, GRUB_VGA_SR_MEMORY_MODE);
grub_vga_sr_write ((1 << GRUB_VGA_TEXT_TEXT_PLANE)
| (1 << GRUB_VGA_TEXT_ATTR_PLANE),
GRUB_VGA_SR_MAP_MASK_REGISTER);
grub_vga_cr_write (15, GRUB_VGA_CR_CELL_HEIGHT);
grub_vga_cr_write (79, GRUB_VGA_CR_WIDTH);
grub_vga_cr_write (40, GRUB_VGA_CR_PITCH);
int vert = 25 * 16;
grub_vga_cr_write (vert & 0xff, GRUB_VGA_CR_HEIGHT);
grub_vga_cr_write (((vert >> GRUB_VGA_CR_OVERFLOW_HEIGHT1_SHIFT)
& GRUB_VGA_CR_OVERFLOW_HEIGHT1_MASK)
| ((vert >> GRUB_VGA_CR_OVERFLOW_HEIGHT2_SHIFT)
& GRUB_VGA_CR_OVERFLOW_HEIGHT2_MASK),
GRUB_VGA_CR_OVERFLOW);
load_palette ();
grub_outb (0x10, 0x3c0);
grub_outb (0, 0x3c1);
grub_outb (0x14, 0x3c0);
grub_outb (0, 0x3c1);
grub_vga_sr_write (GRUB_VGA_SR_CLOCKING_MODE_8_DOT_CLOCK,
GRUB_VGA_SR_CLOCKING_MODE);
grub_vga_cr_write (14, GRUB_VGA_CR_CURSOR_START);
grub_vga_cr_write (15, GRUB_VGA_CR_CURSOR_END);
grub_outb (0x20, 0x3c0);
}

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

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

82
kern/list.c
View file

@ -28,18 +28,6 @@ grub_list_push (grub_list_t *head, grub_list_t item)
*head = item;
}
void *
grub_list_pop (grub_list_t *head)
{
grub_list_t item;
item = *head;
if (item)
*head = item->next;
return item;
}
void
grub_list_remove (grub_list_t *head, grub_list_t item)
{
@ -53,51 +41,16 @@ grub_list_remove (grub_list_t *head, grub_list_t item)
}
}
int
grub_list_iterate (grub_list_t head, grub_list_hook_t hook)
{
grub_list_t p;
for (p = head; p; p = p->next)
if (hook (p))
return 1;
return 0;
}
void
grub_list_insert (grub_list_t *head, grub_list_t item,
grub_list_test_t test)
{
grub_list_t *p, q;
for (p = head, q = *p; q; p = &(q->next), q = q->next)
if (test (item, q))
break;
*p = item;
item->next = q;
}
void *
grub_named_list_find (grub_named_list_t head, const char *name)
{
grub_named_list_t result = NULL;
grub_named_list_t item;
auto int list_find (grub_named_list_t item);
int list_find (grub_named_list_t item)
{
if (! grub_strcmp (item->name, name))
{
result = item;
return 1;
}
FOR_LIST_ELEMENTS (item, head)
if (grub_strcmp (item->name, name) == 0)
return item;
return 0;
}
grub_list_iterate (GRUB_AS_LIST (head), (grub_list_hook_t) list_find);
return result;
return NULL;
}
void
@ -105,27 +58,30 @@ grub_prio_list_insert (grub_prio_list_t *head, grub_prio_list_t nitem)
{
int inactive = 0;
auto int test (grub_prio_list_t new_item, grub_prio_list_t item);
int test (grub_prio_list_t new_item, grub_prio_list_t item)
grub_prio_list_t *p, q;
for (p = head, q = *p; q; p = &(q->next), q = q->next)
{
int r;
r = grub_strcmp (new_item->name, item->name);
if (r)
return (r < 0);
r = grub_strcmp (nitem->name, q->name);
if (r < 0)
break;
if (r > 0)
continue;
if (new_item->prio >= (item->prio & GRUB_PRIO_LIST_PRIO_MASK))
if (nitem->prio >= (q->prio & GRUB_PRIO_LIST_PRIO_MASK))
{
item->prio &= ~GRUB_PRIO_LIST_FLAG_ACTIVE;
return 1;
q->prio &= ~GRUB_PRIO_LIST_FLAG_ACTIVE;
break;
}
inactive = 1;
return 0;
}
grub_list_insert (GRUB_AS_LIST_P (head), GRUB_AS_LIST (nitem),
(grub_list_test_t) test);
*p = nitem;
nitem->next = q;
if (! inactive)
nitem->prio |= GRUB_PRIO_LIST_FLAG_ACTIVE;
}

1
kern/main.c
View file

@ -191,7 +191,6 @@ grub_main (void)
grub_set_root_dev ();
grub_register_core_commands ();
grub_register_rescue_parser ();
grub_load_config ();
grub_load_normal_mode ();

8
kern/parser.c
View file

@ -230,10 +230,6 @@ grub_parser_split_cmdline (const char *cmdline, grub_reader_getline_t getline,
return 0;
}
struct grub_handler_class grub_parser_class = {
.name = "parser"
};
grub_err_t
grub_parser_execute (char *source)
{
@ -261,11 +257,9 @@ grub_parser_execute (char *source)
while (source)
{
char *line;
grub_parser_t parser;
getline (&line, 0);
parser = grub_parser_get_current ();
parser->parse_line (line, getline);
grub_rescue_parse_line (line, getline);
grub_free (line);
}

14
kern/rescue_parser.c
View file

@ -24,7 +24,7 @@
#include <grub/misc.h>
#include <grub/command.h>
static grub_err_t
grub_err_t
grub_rescue_parse_line (char *line, grub_reader_getline_t getline)
{
char *name;
@ -74,15 +74,3 @@ grub_rescue_parse_line (char *line, grub_reader_getline_t getline)
return grub_errno;
}
static struct grub_parser grub_rescue_parser =
{
.name = "rescue",
.parse_line = grub_rescue_parse_line
};
void
grub_register_rescue_parser (void)
{
grub_parser_register ("rescue", &grub_rescue_parser);
}

2
kern/rescue_reader.c
View file

@ -86,7 +86,7 @@ grub_rescue_run (void)
if (! line || line[0] == '\0')
continue;
grub_parser_get_current ()->parse_line (line, grub_rescue_read_line);
grub_rescue_parse_line (line, grub_rescue_read_line);
grub_free (line);
}
}