vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Merge Mainline.

Browse source
This commit is contained in:
Manoel R. Abranches 2011-05-27 00:23:33 -03:00
commit 85fd555441
191 changed files with 9311 additions and 1208 deletions
Download patch file Download diff file Expand all files Collapse all files

10
grub-core/loader/efi/chainloader.c
View file

@ -57,6 +57,7 @@ grub_chainloader_unload (void)
grub_free (file_path);
grub_free (cmdline);
cmdline = 0;
file_path = 0;
grub_dl_unref (my_mod);
return GRUB_ERR_NONE;
@ -68,7 +69,7 @@ grub_chainloader_boot (void)
grub_efi_boot_services_t *b;
grub_efi_status_t status;
grub_efi_uintn_t exit_data_size;
grub_efi_char16_t *exit_data;
grub_efi_char16_t *exit_data = NULL;
b = grub_efi_system_table->boot_services;
status = efi_call_3 (b->start_image, image_handle, &exit_data_size, &exit_data);
@ -95,7 +96,7 @@ grub_chainloader_boot (void)
if (exit_data)
efi_call_1 (b->free_pool, exit_data);
grub_chainloader_unload ();
grub_loader_unset ();
return grub_errno;
}
@ -238,6 +239,11 @@ grub_cmd_chainloader (grub_command_t cmd __attribute__ ((unused)),
grub_efi_print_device_path (file_path);
size = grub_file_size (file);
if (!size)
{
grub_error (GRUB_ERR_BAD_OS, "file is empty");
goto fail;
}
pages = (((grub_efi_uintn_t) size + ((1 << 12) - 1)) >> 12);
status = efi_call_4 (b->allocate_pages, GRUB_EFI_ALLOCATE_ANY_PAGES,

17
grub-core/loader/i386/linux.c
View file

@ -57,7 +57,6 @@ GRUB_MOD_LICENSE ("GPLv3+");
#endif
#define GRUB_LINUX_CL_OFFSET 0x1000
#define GRUB_LINUX_CL_END_OFFSET 0x2000
static grub_dl_t my_mod;
@ -74,6 +73,7 @@ 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
@ -189,7 +189,7 @@ 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 ();
@ -367,6 +367,7 @@ grub_linux_setup_video (struct linux_kernel_params *params)
/* 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:
@ -662,6 +663,14 @@ 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). */
@ -675,7 +684,7 @@ 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;
@ -870,7 +879,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
grub_create_loader_cmdline (argc, argv,
(char *)real_mode_mem + GRUB_LINUX_CL_OFFSET
+ sizeof (LINUX_IMAGE) - 1,
GRUB_LINUX_CL_END_OFFSET - GRUB_LINUX_CL_OFFSET
maximal_cmdline_size
- (sizeof (LINUX_IMAGE) - 1));
len = prot_size;

91
grub-core/loader/i386/pc/chainloader.c
View file

@ -37,6 +37,8 @@
#include <grub/i18n.h>
#include <grub/video.h>
#include <grub/mm.h>
#include <grub/fat.h>
#include <grub/ntfs.h>
GRUB_MOD_LICENSE ("GPLv3+");
@ -44,6 +46,12 @@ static grub_dl_t my_mod;
static int boot_drive;
static void *boot_part_addr;
typedef enum
{
GRUB_CHAINLOADER_FORCE = 0x1,
GRUB_CHAINLOADER_BPB = 0x2,
} grub_chainloader_flags_t;
static grub_err_t
grub_chainloader_boot (void)
{
@ -61,6 +69,63 @@ grub_chainloader_unload (void)
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)
{
@ -121,6 +186,9 @@ grub_chainloader_cmd (const char *filename, grub_chainloader_flags_t flags)
}
}
if (flags & GRUB_CHAINLOADER_BPB)
grub_chainloader_patch_bpb ((void *) 0x7C00, dev, drive);
if (dev)
grub_device_close (dev);
@ -147,11 +215,23 @@ 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)
@ -167,7 +247,8 @@ static grub_command_t cmd;
GRUB_MOD_INIT(chainloader)
{
cmd = grub_register_command ("chainloader", grub_cmd_chainloader,
0, N_("Load another boot loader."));
"[--force|--bpb] FILE",
N_("Load another boot loader."));
my_mod = mod;
}

136
grub-core/loader/i386/pc/freedos.c Normal file
View file

@ -0,0 +1,136 @@
/* 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>
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
};
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);
}

22
grub-core/loader/i386/pc/linux.c
View file

@ -39,7 +39,6 @@
GRUB_MOD_LICENSE ("GPLv3+");
#define GRUB_LINUX_CL_OFFSET 0x9000
#define GRUB_LINUX_CL_END_OFFSET 0x90FF
static grub_dl_t my_mod;
@ -49,6 +48,7 @@ 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)
@ -128,15 +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;
@ -153,7 +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
@ -185,12 +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;
}
@ -263,7 +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);
@ -294,7 +302,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
grub_create_loader_cmdline (argc, argv,
(char *)grub_linux_real_chunk
+ GRUB_LINUX_CL_OFFSET + sizeof (LINUX_IMAGE) - 1,
GRUB_LINUX_CL_END_OFFSET - GRUB_LINUX_CL_OFFSET
maximal_cmdline_size
- (sizeof (LINUX_IMAGE) - 1));
if (grub_linux_is_bzimage)

2
grub-core/loader/i386/pc/ntldr.c
View file

@ -32,6 +32,7 @@
#include <grub/video.h>
#include <grub/mm.h>
#include <grub/cpu/relocator.h>
#include <grub/machine/chainloader.h>
GRUB_MOD_LICENSE ("GPLv3+");
@ -112,6 +113,7 @@ grub_cmd_ntldr (grub_command_t cmd __attribute__ ((unused)),
grub_device_close (dev);
goto fail;
}
grub_chainloader_patch_bpb (bs, dev, edx);
}
if (dev)

795
grub-core/loader/ia64/efi/linux.c Normal file
View file

@ -0,0 +1,795 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2010 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/disk.h>
#include <grub/err.h>
#include <grub/misc.h>
#include <grub/types.h>
#include <grub/command.h>
#include <grub/dl.h>
#include <grub/mm.h>
#include <grub/cache.h>
#include <grub/kernel.h>
#include <grub/efi/api.h>
#include <grub/efi/efi.h>
#include <grub/elf.h>
#define ALIGN_MIN (256*1024*1024)
#define GRUB_ELF_SEARCH 1024
#define BOOT_PARAM_SIZE 16384
struct ia64_boot_param
{
grub_uint64_t command_line; /* physical address of command line. */
grub_uint64_t efi_systab; /* physical address of EFI system table */
grub_uint64_t efi_memmap; /* physical address of EFI memory map */
grub_uint64_t efi_memmap_size; /* size of EFI memory map */
grub_uint64_t efi_memdesc_size; /* size of an EFI memory map descriptor */
grub_uint32_t efi_memdesc_version; /* memory descriptor version */
struct
{
grub_uint16_t num_cols; /* number of columns on console output dev */
grub_uint16_t num_rows; /* number of rows on console output device */
grub_uint16_t orig_x; /* cursor's x position */
grub_uint16_t orig_y; /* cursor's y position */
} console_info;
grub_uint64_t fpswa; /* physical address of the fpswa interface */
grub_uint64_t initrd_start;
grub_uint64_t initrd_size;
grub_uint64_t domain_start; /* boot domain address. */
grub_uint64_t domain_size; /* how big is the boot domain */
grub_uint64_t payloads_chain;
grub_uint64_t payloads_nbr;
};
struct ia64_boot_payload
{
grub_uint64_t start;
grub_uint64_t length;
/* Payload command line */
grub_uint64_t cmdline;
grub_uint64_t next;
};
typedef struct
{
grub_uint32_t revision;
grub_uint32_t reserved;
void *fpswa;
} fpswa_interface_t;
static fpswa_interface_t *fpswa;
#define NEXT_MEMORY_DESCRIPTOR(desc, size) \
((grub_efi_memory_descriptor_t *) ((char *) (desc) + (size)))
static grub_dl_t my_mod;
static int loaded;
/* Kernel base and size. */
static void *kernel_mem;
static grub_efi_uintn_t kernel_pages;
static grub_uint64_t entry;
/* Initrd base and size. */
static void *initrd_mem;
static grub_efi_uintn_t initrd_pages;
static grub_efi_uintn_t initrd_size;
static struct ia64_boot_param *boot_param;
static grub_efi_uintn_t boot_param_pages;
static struct ia64_boot_payload *last_payload = NULL;
/* Can linux kernel be relocated ? */
#define RELOCATE_OFF 0 /* No. */
#define RELOCATE_ON 1 /* Yes. */
#define RELOCATE_FORCE 2 /* Always - used to debug. */
static int relocate = RELOCATE_OFF;
static inline grub_size_t
page_align (grub_size_t size)
{
return (size + (1 << 12) - 1) & (~((1 << 12) - 1));
}
static void
query_fpswa (void)
{
grub_efi_handle_t fpswa_image;
grub_efi_boot_services_t *bs;
grub_efi_status_t status;
grub_efi_uintn_t size;
static const grub_efi_guid_t fpswa_protocol =
{ 0xc41b6531, 0x97b9, 0x11d3,
{0x9a, 0x29, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d} };
if (fpswa != NULL)
return;
size = sizeof(grub_efi_handle_t);
bs = grub_efi_system_table->boot_services;
status = bs->locate_handle (GRUB_EFI_BY_PROTOCOL,
(void *)&fpswa_protocol,
NULL, &size, &fpswa_image);
if (status != GRUB_EFI_SUCCESS)
{
grub_printf("Could not locate FPSWA driver\n");
return;
}
status = bs->handle_protocol (fpswa_image,
(void *)&fpswa_protocol, (void *)&fpswa);
if (status != GRUB_EFI_SUCCESS)
{
grub_printf ("Fpswa protocol not able find the interface\n");
return;
}
}
/* Find the optimal number of pages for the memory map. Is it better to
move this code to efi/mm.c? */
static grub_efi_uintn_t
find_mmap_size (void)
{
static grub_efi_uintn_t mmap_size = 0;
if (mmap_size != 0)
return mmap_size;
mmap_size = (1 << 12);
while (1)
{
int ret;
grub_efi_memory_descriptor_t *mmap;
grub_efi_uintn_t desc_size;
mmap = grub_malloc (mmap_size);
if (! mmap)
return 0;
ret = grub_efi_get_memory_map (&mmap_size, mmap, 0, &desc_size, 0);
grub_free (mmap);
if (ret < 0)
grub_fatal ("cannot get memory map");
else if (ret > 0)
break;
mmap_size += (1 << 12);
}
/* Increase the size a bit for safety, because GRUB allocates more on
later, and EFI itself may allocate more. */
mmap_size += (1 << 12);
return page_align (mmap_size);
}
static void
free_pages (void)
{
if (kernel_mem)
{
grub_efi_free_pages ((grub_addr_t) kernel_mem, kernel_pages);
kernel_mem = 0;
}
if (initrd_mem)
{
grub_efi_free_pages ((grub_addr_t) initrd_mem, initrd_pages);
initrd_mem = 0;
}
if (boot_param)
{
struct ia64_boot_payload *payload;
struct ia64_boot_payload *next_payload;
/* Free payloads. */
payload = (struct ia64_boot_payload *)boot_param->payloads_chain;
while (payload != 0)
{
next_payload = (struct ia64_boot_payload *)payload->next;
grub_efi_free_pages
(payload->start, page_align (payload->length) >> 12);
grub_efi_free_pages ((grub_efi_physical_address_t)payload, 1);
payload = next_payload;
}
/* Free bootparam. */
grub_efi_free_pages ((grub_efi_physical_address_t)boot_param,
boot_param_pages);
boot_param = 0;
}
}
static void *
allocate_pages (grub_uint64_t align, grub_uint64_t size_pages,
grub_uint64_t nobase)
{
grub_uint64_t size;
grub_efi_uintn_t desc_size;
grub_efi_memory_descriptor_t *mmap, *mmap_end;
grub_efi_uintn_t mmap_size, tmp_mmap_size;
grub_efi_memory_descriptor_t *desc;
void *mem = NULL;
size = size_pages << 12;
mmap_size = find_mmap_size ();
/* Read the memory map temporarily, to find free space. */
mmap = grub_malloc (mmap_size);
if (! mmap)
return 0;
tmp_mmap_size = mmap_size;
if (grub_efi_get_memory_map (&tmp_mmap_size, mmap, 0, &desc_size, 0) <= 0)
grub_fatal ("cannot get memory map");
mmap_end = NEXT_MEMORY_DESCRIPTOR (mmap, tmp_mmap_size);
/* First, find free pages for the real mode code
and the memory map buffer. */
for (desc = mmap;
desc < mmap_end;
desc = NEXT_MEMORY_DESCRIPTOR (desc, desc_size))
{
grub_uint64_t start, end;
grub_uint64_t aligned_start;
if (desc->type != GRUB_EFI_CONVENTIONAL_MEMORY)
continue;
start = desc->physical_start;
end = start + (desc->num_pages << 12);
/* Align is a power of 2. */
aligned_start = (start + align - 1) & ~(align - 1);
if (aligned_start + size > end)
continue;
if (aligned_start == nobase)
aligned_start += align;
if (aligned_start + size > end)
continue;
mem = grub_efi_allocate_pages (aligned_start, size_pages);
if (! mem)
grub_fatal ("cannot allocate pages");
break;
}
if (! mem)
{
grub_error (GRUB_ERR_OUT_OF_MEMORY, "cannot allocate memory");
goto fail;
}
grub_free (mmap);
return mem;
fail:
grub_free (mmap);
free_pages ();
return 0;
}
static void
set_boot_param_console (void)
{
grub_efi_simple_text_output_interface_t *conout;
grub_efi_uintn_t cols, rows;
conout = grub_efi_system_table->con_out;
if (conout->query_mode (conout, conout->mode->mode, &cols, &rows)
!= GRUB_EFI_SUCCESS)
return;
grub_dprintf("linux",
"Console info: cols=%lu rows=%lu x=%u y=%u\n",
cols, rows,
conout->mode->cursor_column, conout->mode->cursor_row);
boot_param->console_info.num_cols = cols;
boot_param->console_info.num_rows = rows;
boot_param->console_info.orig_x = conout->mode->cursor_column;
boot_param->console_info.orig_y = conout->mode->cursor_row;
}
static grub_err_t
grub_linux_boot (void)
{
grub_efi_uintn_t mmap_size;
grub_efi_uintn_t map_key;
grub_efi_uintn_t desc_size;
grub_efi_uint32_t desc_version;
grub_efi_memory_descriptor_t *mmap_buf;
grub_err_t err;
/* FPSWA. */
query_fpswa ();
boot_param->fpswa = (grub_uint64_t)fpswa;
/* Initrd. */
boot_param->initrd_start = (grub_uint64_t)initrd_mem;
boot_param->initrd_size = (grub_uint64_t)initrd_size;
set_boot_param_console ();
grub_printf ("Jump to %016lx\n", entry);
grub_machine_fini ();
/* MDT.
Must be done after grub_machine_fini because map_key is used by
exit_boot_services. */
mmap_size = find_mmap_size ();
mmap_buf = grub_efi_allocate_pages (0, page_align (mmap_size) >> 12);
if (! mmap_buf)
grub_fatal ("cannot allocate memory map");
err = grub_efi_finish_boot_services (&mmap_size, mmap_buf, &map_key,
&desc_size, &desc_version);
if (err)
return err;
boot_param->efi_memmap = (grub_uint64_t)mmap_buf;
boot_param->efi_memmap_size = mmap_size;
boot_param->efi_memdesc_size = desc_size;
boot_param->efi_memdesc_version = desc_version;
/* See you next boot. */
asm volatile ("mov r28=%1; br.sptk.few %0" :: "b"(entry),"r"(boot_param));
/* Never reach here. */
return GRUB_ERR_NONE;
}
static grub_err_t
grub_linux_unload (void)
{
free_pages ();
grub_dl_unref (my_mod);
loaded = 0;
return GRUB_ERR_NONE;
}
static grub_err_t
grub_load_elf64 (grub_file_t file, void *buffer)
{
Elf64_Ehdr *ehdr = (Elf64_Ehdr *) buffer;
Elf64_Phdr *phdr;
int i;
grub_uint64_t low_addr;
grub_uint64_t high_addr;
grub_uint64_t align;
grub_uint64_t reloc_offset;
if (ehdr->e_ident[EI_CLASS] != ELFCLASS64)
return grub_error (GRUB_ERR_UNKNOWN_OS, "invalid ELF class");
if (ehdr->e_ident[EI_MAG0] != ELFMAG0
|| ehdr->e_ident[EI_MAG1] != ELFMAG1
|| ehdr->e_ident[EI_MAG2] != ELFMAG2
|| ehdr->e_ident[EI_MAG3] != ELFMAG3
|| ehdr->e_version != EV_CURRENT
|| ehdr->e_ident[EI_DATA] != ELFDATA2LSB
|| ehdr->e_machine != EM_IA_64)
return grub_error(GRUB_ERR_UNKNOWN_OS, "no valid ELF header found");
if (ehdr->e_type != ET_EXEC)
return grub_error (GRUB_ERR_UNKNOWN_OS, "invalid ELF file type");
/* FIXME: Should we support program headers at strange locations? */
if (ehdr->e_phoff + ehdr->e_phnum * ehdr->e_phentsize > GRUB_ELF_SEARCH)
return grub_error (GRUB_ERR_BAD_OS, "program header at a too high offset");
entry = ehdr->e_entry;
/* Compute low, high and align addresses. */
low_addr = ~0UL;
high_addr = 0;
align = 0;
for (i = 0; i < ehdr->e_phnum; i++)
{
phdr = (Elf64_Phdr *) ((char *) buffer + ehdr->e_phoff
+ i * ehdr->e_phentsize);
if (phdr->p_type == PT_LOAD)
{
if (phdr->p_paddr < low_addr)
low_addr = phdr->p_paddr;
if (phdr->p_paddr + phdr->p_memsz > high_addr)
high_addr = phdr->p_paddr + phdr->p_memsz;
if (phdr->p_align > align)
align = phdr->p_align;
}
}
if (align < ALIGN_MIN)
align = ALIGN_MIN;
if (high_addr == 0)
return grub_error (GRUB_ERR_BAD_OS, "no program entries");
kernel_pages = page_align (high_addr - low_addr) >> 12;
if (relocate != RELOCATE_FORCE)
{
kernel_mem = grub_efi_allocate_pages (low_addr, kernel_pages);
reloc_offset = 0;
}
/* Try to relocate. */
if (! kernel_mem && relocate != RELOCATE_OFF)
{
kernel_mem = allocate_pages (align, kernel_pages, low_addr);
if (kernel_mem)
{
reloc_offset = (grub_uint64_t)kernel_mem - low_addr;
grub_printf (" Relocated at %p (offset=%016lx)\n",
kernel_mem, reloc_offset);
entry += reloc_offset;
}
}
if (! kernel_mem)
return grub_error (GRUB_ERR_OUT_OF_MEMORY,
"cannot allocate memory for OS");
/* Load every loadable segment in memory. */
for (i = 0; i < ehdr->e_phnum; i++)
{
phdr = (Elf64_Phdr *) ((char *) buffer + ehdr->e_phoff
+ i * ehdr->e_phentsize);
if (phdr->p_type == PT_LOAD)
{
grub_printf (" [paddr=%lx load=%lx memsz=%08lx "
"off=%lx flags=%x]\n",
phdr->p_paddr, phdr->p_paddr + reloc_offset,
phdr->p_memsz, phdr->p_offset, phdr->p_flags);
if (grub_file_seek (file, phdr->p_offset) == (grub_off_t)-1)
return grub_error (GRUB_ERR_BAD_OS,
"invalid offset in program header");
if (grub_file_read (file, (void *)(phdr->p_paddr + reloc_offset),
phdr->p_filesz)
!= (grub_ssize_t) phdr->p_filesz)
return grub_error (GRUB_ERR_BAD_OS,
"couldn't read segment from file");
if (phdr->p_filesz < phdr->p_memsz)
grub_memset
((char *)(phdr->p_paddr + reloc_offset + phdr->p_filesz),
0, phdr->p_memsz - phdr->p_filesz);
/* Sync caches if necessary. */
if (phdr->p_flags & PF_X)
grub_arch_sync_caches
((void *)(phdr->p_paddr + reloc_offset), phdr->p_memsz);
}
}
loaded = 1;
return 0;
}
static grub_err_t
grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
grub_file_t file = 0;
char buffer[GRUB_ELF_SEARCH];
char *cmdline, *p;
grub_ssize_t len;
int i;
grub_dl_ref (my_mod);
grub_loader_unset ();
if (argc == 0)
{
grub_error (GRUB_ERR_BAD_ARGUMENT, "No kernel specified");
goto fail;
}
file = grub_file_open (argv[0]);
if (! file)
{
grub_error (GRUB_ERR_BAD_ARGUMENT, "Couldn't open file");
goto fail;
}
len = grub_file_read (file, buffer, sizeof (buffer));
if (len < (grub_ssize_t)sizeof (Elf64_Ehdr))
{
grub_error (GRUB_ERR_BAD_OS, "File too small");
goto fail;
}
grub_printf ("Loading linux: %s\n", argv[0]);
if (grub_load_elf64 (file, buffer))
goto fail;
len = sizeof("BOOT_IMAGE=") + 8;
for (i = 0; i < argc; i++)
len += grub_strlen (argv[i]) + 1;
len += sizeof (struct ia64_boot_param) + 256; /* Room for extensions. */
boot_param_pages = page_align (len) >> 12;
boot_param = grub_efi_allocate_pages (0, boot_param_pages);
if (boot_param == 0)
{
grub_error (GRUB_ERR_OUT_OF_MEMORY,
"cannot allocate memory for bootparams");
goto fail;
}
grub_memset (boot_param, 0, len);
cmdline = ((char *)(boot_param + 1)) + 256;
/* Build cmdline. */
p = grub_stpcpy (cmdline, "BOOT_IMAGE");
for (i = 0; i < argc; i++)
{
*p++ = ' ';
p = grub_stpcpy (p, argv[i]);
}
cmdline[10] = '=';
boot_param->command_line = (grub_uint64_t) cmdline;
boot_param->efi_systab = (grub_uint64_t) grub_efi_system_table;
grub_errno = GRUB_ERR_NONE;
grub_loader_set (grub_linux_boot, grub_linux_unload, 0);
fail:
if (file)
grub_file_close (file);
if (grub_errno != GRUB_ERR_NONE)
{
grub_efi_free_pages ((grub_efi_physical_address_t) boot_param,
boot_param_pages);
grub_dl_unref (my_mod);
}
return grub_errno;
}
static grub_err_t
grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
grub_file_t file = 0;
if (argc == 0)
{
grub_error (GRUB_ERR_BAD_ARGUMENT, "No filename specified");
goto fail;
}
if (! loaded)
{
grub_error (GRUB_ERR_BAD_ARGUMENT, "You need to load the kernel first.");
goto fail;
}
file = grub_file_open (argv[0]);
if (! file)
goto fail;
grub_printf ("Loading initrd: %s\n",argv[0]);
initrd_size = grub_file_size (file);
initrd_pages = (page_align (initrd_size) >> 12);
initrd_mem = grub_efi_allocate_pages (0, initrd_pages);
if (! initrd_mem)
grub_fatal ("cannot allocate pages");
grub_printf (" [addr=0x%lx, size=0x%lx]\n",
(grub_uint64_t)initrd_mem, initrd_size);
if (grub_file_read (file, initrd_mem, initrd_size)
!= (grub_ssize_t)initrd_size)
{
grub_error (GRUB_ERR_FILE_READ_ERROR, "Couldn't read file");
goto fail;
}
fail:
if (file)
grub_file_close (file);
return grub_errno;
}
static grub_err_t
grub_cmd_payload (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
grub_file_t file = 0;
grub_ssize_t size, len = 0;
char *base = 0, *cmdline = 0, *p;
struct ia64_boot_payload *payload = NULL;
int i;
if (argc == 0)
{
grub_error (GRUB_ERR_BAD_ARGUMENT, "No module specified");
goto fail;
}
if (!boot_param)
{
grub_error (GRUB_ERR_BAD_ARGUMENT,
"You need to load the kernel first");
goto fail;
}
file = grub_file_open (argv[0]);
if (! file)
goto fail;
size = grub_file_size (file);
base = grub_efi_allocate_pages (0, page_align (size) >> 12);
if (! base)
goto fail;
grub_printf ("Payload %s [addr=%lx + %lx]\n",
argv[0], (grub_uint64_t)base, size);
if (grub_file_read (file, base, size) != size)
{
grub_error (GRUB_ERR_FILE_READ_ERROR, "Couldn't read file");
goto fail;
}
len = sizeof (struct ia64_boot_payload);
for (i = 0; i < argc; i++)
len += grub_strlen (argv[i]) + 1;
if (len > 4096)
{
grub_error (GRUB_ERR_OUT_OF_RANGE, "payload command line too long");
goto fail;
}
payload = grub_efi_allocate_pages (0, 1);
if (! payload)
goto fail;
p = (char *)(payload + 1);
payload->start = (grub_uint64_t)base;
payload->length = size;
payload->cmdline = (grub_uint64_t)p;
payload->next = 0;
if (last_payload)
last_payload->next = (grub_uint64_t)payload;
else
{
last_payload = payload;
boot_param->payloads_chain = (grub_uint64_t)payload;
}
boot_param->payloads_nbr++;
/* Copy command line. */
for (i = 0; i < argc; i++)
{
p = grub_stpcpy (p, argv[i]);
*(p++) = ' ';
}
/* Remove the space after the last word. */
*(--p) = '\0';
fail:
if (file)
grub_file_close (file);
if (grub_errno != GRUB_ERR_NONE)
{
grub_free (base);
grub_free (cmdline);
}
return grub_errno;
}
static grub_err_t
grub_cmd_relocate (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
static const char * const vals[] = { "off", "on", "force"};
unsigned int i;
if (argc == 0)
{
grub_printf ("relocate is %s\n", vals[relocate]);
return GRUB_ERR_NONE;
}
else if (argc == 1)
{
if (kernel_mem != NULL)
grub_printf ("Warning: kernel already loaded!\n");
for (i = 0; i < sizeof (vals)/sizeof(vals[0]); i++)
if (grub_strcmp (argv[0], vals[i]) == 0)
{
relocate = i;
return GRUB_ERR_NONE;
}
return grub_error (GRUB_ERR_BAD_ARGUMENT, "unknown relocate value");
}
else
{
return grub_error (GRUB_ERR_BAD_ARGUMENT, "accept 0 or 1 argument");
}
}
static grub_err_t
grub_cmd_fpswa (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[] __attribute__((unused)))
{
if (argc != 0)
{
return grub_error (GRUB_ERR_BAD_ARGUMENT, "Arguments not expected");
}
query_fpswa ();
if (fpswa == NULL)
grub_printf ("No FPSWA loaded\n");
else
grub_printf ("FPSWA revision: %x\n", fpswa->revision);
return GRUB_ERR_NONE;
}
static grub_command_t cmd_linux, cmd_initrd, cmd_payload, cmd_relocate, cmd_fpswa;
GRUB_MOD_INIT(linux)
{
cmd_linux = grub_register_command ("linux", grub_cmd_linux,
"FILE [ARGS...]", "Load Linux.");
cmd_initrd = grub_register_command ("initrd", grub_cmd_initrd,
"FILE", "Load initrd.");
cmd_payload = grub_register_command ("payload", grub_cmd_payload,
"FILE [ARGS...]",
"Load an additional file.");
cmd_relocate = grub_register_command ("relocate", grub_cmd_relocate,
"[on|off|force]",
"Set relocate feature.");
cmd_fpswa = grub_register_command ("fpswa", grub_cmd_fpswa,
"", "Display FPSWA version.");
my_mod = mod;
}
GRUB_MOD_FINI(linux)
{
grub_unregister_command (cmd_linux);
grub_unregister_command (cmd_initrd);
grub_unregister_command (cmd_payload);
grub_unregister_command (cmd_relocate);
grub_unregister_command (cmd_fpswa);
}

141
grub-core/loader/mips/linux.c
View file

@ -27,19 +27,22 @@
#include <grub/mips/relocator.h>
#include <grub/memory.h>
#include <grub/i18n.h>
#include <grub/lib/cmdline.h>
GRUB_MOD_LICENSE ("GPLv3+");
/* For frequencies. */
#include <grub/pci.h>
#include <grub/machine/time.h>
#ifdef GRUB_MACHINE_MIPS_YEELOONG
/* This can be detected on runtime from PMON, but:
a) it wouldn't work when GRUB is the firmware
and
b) for now we only support Yeeloong anyway. */
#define LOONGSON_MACHTYPE "machtype=lemote-yeeloong-2f-8.9inches"
#ifdef GRUB_MACHINE_MIPS_LOONGSON
#include <grub/pci.h>
#include <grub/machine/kernel.h>
const char loongson_machtypes[][60] =
{
[GRUB_ARCH_MACHINE_YEELOONG] = "machtype=lemote-yeeloong-2f-8.9inches",
[GRUB_ARCH_MACHINE_FULOONG] = "machtype=lemote-fuloong-2f-unknown"
};
#endif
static grub_dl_t my_mod;
@ -51,9 +54,16 @@ static grub_size_t linux_size;
static struct grub_relocator *relocator;
static grub_uint8_t *playground;
static grub_addr_t target_addr, entry_addr;
#ifdef GRUB_MACHINE_MIPS_QEMU_MIPS
static char *params;
#else
static int linux_argc;
static grub_off_t argv_off, envp_off;
static grub_off_t argv_off;
#ifdef GRUB_MACHINE_MIPS_LOONGSON
static grub_off_t envp_off;
#endif
static grub_off_t rd_addr_arg_off, rd_size_arg_off;
#endif
static int initrd_loaded = 0;
static grub_err_t
@ -61,11 +71,43 @@ grub_linux_boot (void)
{
struct grub_relocator32_state state;
grub_memset (&state, 0, sizeof (state));
/* Boot the kernel. */
state.gpr[1] = entry_addr;
#ifdef GRUB_MACHINE_MIPS_QEMU_MIPS
{
grub_err_t err;
grub_relocator_chunk_t ch;
grub_uint32_t *memsize;
grub_uint32_t *magic;
char *str;
err = grub_relocator_alloc_chunk_addr (relocator, &ch,
((16 << 20) - 264),
grub_strlen (params) + 1 + 8);
if (err)
return err;
memsize = get_virtual_current_address (ch);
magic = memsize + 1;
*memsize = grub_mmap_get_lower ();
*magic = 0x12345678;
str = (char *) (magic + 1);
grub_strcpy (str, params);
}
#endif
#ifndef GRUB_MACHINE_MIPS_QEMU_MIPS
state.gpr[4] = linux_argc;
state.gpr[5] = target_addr + argv_off;
#ifdef GRUB_MACHINE_MIPS_LOONGSON
state.gpr[6] = target_addr + envp_off;
#else
state.gpr[6] = 0;
#endif
state.gpr[7] = 0;
#endif
state.jumpreg = 1;
grub_relocator32_boot (relocator, state);
@ -78,6 +120,11 @@ grub_linux_unload (void)
grub_relocator_unload (relocator);
grub_dl_unref (my_mod);
#ifdef GRUB_MACHINE_MIPS_QEMU_MIPS
grub_free (params);
params = 0;
#endif
loaded = 0;
return GRUB_ERR_NONE;
@ -197,12 +244,18 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
grub_elf_t elf = 0;
int i;
int size;
void *extra = NULL;
grub_uint32_t *linux_argv, *linux_envp;
char *linux_args, *linux_envs;
#ifndef GRUB_MACHINE_MIPS_QEMU_MIPS
int i;
grub_uint32_t *linux_argv;
char *linux_args;
#endif
grub_err_t err;
#ifdef GRUB_MACHINE_MIPS_LOONGSON
char *linux_envs;
grub_uint32_t *linux_envp;
#endif
if (argc == 0)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "no kernel specified");
@ -222,9 +275,12 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
grub_loader_unset ();
loaded = 0;
#ifdef GRUB_MACHINE_MIPS_QEMU_MIPS
size = 0;
#else
/* For arguments. */
linux_argc = argc;
#ifdef LOONGSON_MACHTYPE
#ifdef GRUB_MACHINE_MIPS_LOONGSON
linux_argc++;
#endif
/* Main arguments. */
@ -239,8 +295,8 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
/* Normal arguments. */
for (i = 1; i < argc; i++)
size += ALIGN_UP (grub_strlen (argv[i]) + 1, 4);
#ifdef LOONGSON_MACHTYPE
size += ALIGN_UP (sizeof (LOONGSON_MACHTYPE), 4);
#ifdef GRUB_MACHINE_MIPS_LOONGSON
size += ALIGN_UP (sizeof (loongson_machtypes[0]), 4);
#endif
/* rd arguments. */
@ -254,6 +310,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
+ ALIGN_UP (sizeof ("highmemsize=XXXXXXXXXXXXXXXXXXXX"), 4)
+ ALIGN_UP (sizeof ("busclock=XXXXXXXXXX"), 4)
+ ALIGN_UP (sizeof ("cpuclock=XXXXXXXXXX"), 4);
#endif
if (grub_elf_is_elf32 (elf))
err = grub_linux_load32 (elf, &extra, size);
@ -268,6 +325,20 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
if (err)
return err;
#ifdef GRUB_MACHINE_MIPS_QEMU_MIPS
/* Create kernel command line. */
size = grub_loader_cmdline_size(argc, argv);
params = grub_malloc (size + sizeof (LINUX_IMAGE));
if (! params)
{
grub_linux_unload ();
return grub_errno;
}
grub_memcpy (params, LINUX_IMAGE, sizeof (LINUX_IMAGE));
grub_create_loader_cmdline (argc, argv, params + sizeof (LINUX_IMAGE) - 1,
size);
#else
linux_argv = extra;
argv_off = (grub_uint8_t *) linux_argv - (grub_uint8_t *) playground;
extra = linux_argv + (linux_argc + 1 + 2);
@ -279,14 +350,20 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
linux_argv++;
linux_args += ALIGN_UP (sizeof ("a0"), 4);
#ifdef LOONGSON_MACHTYPE
/* In Loongson platform, it is the responsibility of the bootloader/firmware
to supply the OS kernel with machine type information. */
grub_memcpy (linux_args, LOONGSON_MACHTYPE, sizeof (LOONGSON_MACHTYPE));
*linux_argv = (grub_uint8_t *) linux_args - (grub_uint8_t *) playground
+ target_addr;
linux_argv++;
linux_args += ALIGN_UP (sizeof (LOONGSON_MACHTYPE), 4);
#ifdef GRUB_MACHINE_MIPS_LOONGSON
{
unsigned mtype = grub_arch_machine;
if (mtype >= ARRAY_SIZE (loongson_machtypes))
mtype = 0;
/* In Loongson platform, it is the responsibility of the bootloader/firmware
to supply the OS kernel with machine type information. */
grub_memcpy (linux_args, loongson_machtypes[mtype],
sizeof (loongson_machtypes[mtype]));
*linux_argv = (grub_uint8_t *) linux_args - (grub_uint8_t *) playground
+ target_addr;
linux_argv++;
linux_args += ALIGN_UP (sizeof (loongson_machtypes[mtype]), 4);
}
#endif
for (i = 1; i < argc; i++)
@ -313,6 +390,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
extra = linux_args;
#ifdef GRUB_MACHINE_MIPS_LOONGSON
linux_envp = extra;
envp_off = (grub_uint8_t *) linux_envp - (grub_uint8_t *) playground;
linux_envs = (char *) (linux_envp + 5);
@ -340,8 +418,9 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
+ target_addr;
linux_envs += ALIGN_UP (grub_strlen (linux_envs) + 1, 4);
linux_envp[4] = 0;
#endif
#endif
grub_loader_set (grub_linux_boot, grub_linux_unload, 1);
initrd_loaded = 0;
@ -404,6 +483,21 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
return grub_errno;
}
#ifdef GRUB_MACHINE_MIPS_QEMU_MIPS
{
char *tmp;
tmp = grub_xasprintf ("%s rd_start=0x%" PRIxGRUB_ADDR
" rd_size=0x%" PRIxGRUB_ADDR, params,
initrd_dest, size);
if (!tmp)
{
grub_file_close (file);
return grub_errno;
}
grub_free (params);
params = tmp;
}
#else
grub_snprintf ((char *) playground + rd_addr_arg_off,
sizeof ("rd_start=0xXXXXXXXXXXXXXXXX"), "rd_start=0x%llx",
(unsigned long long) initrd_dest);
@ -417,6 +511,7 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
((grub_uint32_t *) (playground + argv_off))[linux_argc]
= target_addr + rd_size_arg_off;
linux_argc++;
#endif
initrd_loaded = 1;