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Merge branch 'master' of git://git.savannah.gnu.org/grub

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This commit is contained in:
Michael Marineau 2015-12-17 12:01:00 -08:00
commit 286f1b63df
95 changed files with 6481 additions and 522 deletions
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185
grub-core/loader/arm64/fdt.c Normal file
View file

@ -0,0 +1,185 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013-2015 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/fdt.h>
#include <grub/mm.h>
#include <grub/cpu/fdtload.h>
#include <grub/err.h>
#include <grub/dl.h>
#include <grub/command.h>
#include <grub/file.h>
#include <grub/efi/efi.h>
static void *loaded_fdt;
static void *fdt;
static void *
get_firmware_fdt (void)
{
grub_efi_configuration_table_t *tables;
grub_efi_guid_t fdt_guid = GRUB_EFI_DEVICE_TREE_GUID;
void *firmware_fdt = NULL;
unsigned int i;
/* Look for FDT in UEFI config tables. */
tables = grub_efi_system_table->configuration_table;
for (i = 0; i < grub_efi_system_table->num_table_entries; i++)
if (grub_memcmp (&tables[i].vendor_guid, &fdt_guid, sizeof (fdt_guid)) == 0)
{
firmware_fdt = tables[i].vendor_table;
grub_dprintf ("linux", "found registered FDT @ %p\n", firmware_fdt);
break;
}
return firmware_fdt;
}
void *
grub_fdt_load (grub_size_t additional_size)
{
void *raw_fdt;
grub_size_t size;
if (fdt)
{
size = GRUB_EFI_BYTES_TO_PAGES (grub_fdt_get_totalsize (fdt));
grub_efi_free_pages ((grub_efi_physical_address_t) fdt, size);
}
if (loaded_fdt)
raw_fdt = loaded_fdt;
else
raw_fdt = get_firmware_fdt();
size =
raw_fdt ? grub_fdt_get_totalsize (raw_fdt) : GRUB_FDT_EMPTY_TREE_SZ;
size += additional_size;
grub_dprintf ("linux", "allocating %ld bytes for fdt\n", size);
fdt = grub_efi_allocate_pages (0, GRUB_EFI_BYTES_TO_PAGES (size));
if (!fdt)
return NULL;
if (raw_fdt)
{
grub_memmove (fdt, raw_fdt, size);
grub_fdt_set_totalsize (fdt, size);
}
else
{
grub_fdt_create_empty_tree (fdt, size);
}
return fdt;
}
grub_err_t
grub_fdt_install (void)
{
grub_efi_boot_services_t *b;
grub_efi_guid_t fdt_guid = GRUB_EFI_DEVICE_TREE_GUID;
grub_efi_status_t status;
b = grub_efi_system_table->boot_services;
status = b->install_configuration_table (&fdt_guid, fdt);
if (status != GRUB_EFI_SUCCESS)
return grub_error (GRUB_ERR_IO, "failed to install FDT");
grub_dprintf ("fdt", "Installed/updated FDT configuration table @ %p\n",
fdt);
return GRUB_ERR_NONE;
}
void
grub_fdt_unload (void) {
if (!fdt) {
return;
}
grub_efi_free_pages ((grub_efi_physical_address_t) fdt,
GRUB_EFI_BYTES_TO_PAGES (grub_fdt_get_totalsize (fdt)));
fdt = NULL;
}
static grub_err_t
grub_cmd_devicetree (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
grub_file_t dtb;
void *blob = NULL;
int size;
if (loaded_fdt)
grub_free (loaded_fdt);
loaded_fdt = NULL;
/* No arguments means "use firmware FDT". */
if (argc == 0)
{
return GRUB_ERR_NONE;
}
dtb = grub_file_open (argv[0]);
if (!dtb)
goto out;
size = grub_file_size (dtb);
blob = grub_malloc (size);
if (!blob)
goto out;
if (grub_file_read (dtb, blob, size) < size)
{
if (!grub_errno)
grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"), argv[0]);
goto out;
}
if (grub_fdt_check_header (blob, size) != 0)
{
grub_error (GRUB_ERR_BAD_OS, N_("invalid device tree"));
goto out;
}
out:
if (dtb)
grub_file_close (dtb);
if (blob)
{
if (grub_errno == GRUB_ERR_NONE)
loaded_fdt = blob;
else
grub_free (blob);
}
return grub_errno;
}
static grub_command_t cmd_devicetree;
GRUB_MOD_INIT (fdt)
{
cmd_devicetree =
grub_register_command ("devicetree", grub_cmd_devicetree, 0,
N_("Load DTB file."));
}
GRUB_MOD_FINI (fdt)
{
grub_unregister_command (cmd_devicetree);
}

170
grub-core/loader/arm64/linux.c
View file

@ -26,6 +26,7 @@
#include <grub/mm.h>
#include <grub/types.h>
#include <grub/cpu/linux.h>
#include <grub/cpu/fdtload.h>
#include <grub/efi/efi.h>
#include <grub/efi/pe32.h>
#include <grub/i18n.h>
@ -45,69 +46,6 @@ static grub_uint32_t cmdline_size;
static grub_addr_t initrd_start;
static grub_addr_t initrd_end;
static void *loaded_fdt;
static void *fdt;
static void *
get_firmware_fdt (void)
{
grub_efi_configuration_table_t *tables;
grub_efi_guid_t fdt_guid = GRUB_EFI_DEVICE_TREE_GUID;
void *firmware_fdt = NULL;
unsigned int i;
/* Look for FDT in UEFI config tables. */
tables = grub_efi_system_table->configuration_table;
for (i = 0; i < grub_efi_system_table->num_table_entries; i++)
if (grub_memcmp (&tables[i].vendor_guid, &fdt_guid, sizeof (fdt_guid)) == 0)
{
firmware_fdt = tables[i].vendor_table;
grub_dprintf ("linux", "found registered FDT @ %p\n", firmware_fdt);
break;
}
return firmware_fdt;
}
void *
grub_linux_get_fdt (void)
{
void *raw_fdt;
grub_size_t size;
if (fdt)
{
size = BYTES_TO_PAGES (grub_fdt_get_totalsize (fdt));
grub_efi_free_pages ((grub_efi_physical_address_t) fdt, size);
}
if (loaded_fdt)
raw_fdt = loaded_fdt;
else
raw_fdt = get_firmware_fdt();
size =
raw_fdt ? grub_fdt_get_totalsize (raw_fdt) : GRUB_FDT_EMPTY_TREE_SZ;
size += 0x400;
grub_dprintf ("linux", "allocating %ld bytes for fdt\n", size);
fdt = grub_efi_allocate_pages (0, BYTES_TO_PAGES (size));
if (!fdt)
return NULL;
if (raw_fdt)
{
grub_memmove (fdt, raw_fdt, size);
grub_fdt_set_totalsize (fdt, size);
}
else
{
grub_fdt_create_empty_tree (fdt, size);
}
return fdt;
}
grub_err_t
grub_arm64_uefi_check_image (struct grub_arm64_linux_kernel_header * lh)
{
@ -129,12 +67,13 @@ grub_arm64_uefi_check_image (struct grub_arm64_linux_kernel_header * lh)
static grub_err_t
finalize_params_linux (void)
{
grub_efi_boot_services_t *b;
grub_efi_guid_t fdt_guid = GRUB_EFI_DEVICE_TREE_GUID;
grub_efi_status_t status;
int node, retval;
if (!grub_linux_get_fdt ())
void *fdt;
fdt = grub_fdt_load (0x400);
if (!fdt)
goto failure;
node = grub_fdt_find_subnode (fdt, 0, "chosen");
@ -160,82 +99,16 @@ finalize_params_linux (void)
goto failure;
}
b = grub_efi_system_table->boot_services;
status = b->install_configuration_table (&fdt_guid, fdt);
if (status != GRUB_EFI_SUCCESS)
if (grub_fdt_install() != GRUB_ERR_NONE)
goto failure;
grub_dprintf ("linux", "Installed/updated FDT configuration table @ %p\n",
fdt);
return GRUB_ERR_NONE;
failure:
grub_efi_free_pages ((grub_efi_physical_address_t) fdt,
BYTES_TO_PAGES (grub_fdt_get_totalsize (fdt)));
fdt = NULL;
grub_fdt_unload();
return grub_error(GRUB_ERR_BAD_OS, "failed to install/update FDT");
}
static grub_err_t
grub_cmd_devicetree (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
grub_file_t dtb;
void *blob = NULL;
int size;
if (!loaded)
{
grub_error (GRUB_ERR_BAD_ARGUMENT,
N_("you need to load the kernel first"));
return GRUB_ERR_BAD_OS;
}
if (argc != 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
if (loaded_fdt)
grub_free (loaded_fdt);
loaded_fdt = NULL;
dtb = grub_file_open (argv[0]);
if (!dtb)
goto out;
size = grub_file_size (dtb);
blob = grub_malloc (size);
if (!blob)
goto out;
if (grub_file_read (dtb, blob, size) < size)
{
if (!grub_errno)
grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"), argv[0]);
goto out;
}
if (grub_fdt_check_header (blob, size) != 0)
{
grub_error (GRUB_ERR_BAD_OS, N_("invalid device tree"));
goto out;
}
out:
if (dtb)
grub_file_close (dtb);
if (blob)
{
if (grub_errno == GRUB_ERR_NONE)
loaded_fdt = blob;
else
grub_free (blob);
}
return grub_errno;
}
grub_err_t
grub_arm64_uefi_boot_image (grub_addr_t addr, grub_size_t size, char *args)
{
@ -276,7 +149,7 @@ grub_arm64_uefi_boot_image (grub_addr_t addr, grub_size_t size, char *args)
(grub_strlen (args) + 1) * sizeof (grub_efi_char16_t);
loaded_image->load_options =
grub_efi_allocate_pages (0,
BYTES_TO_PAGES (loaded_image->load_options_size));
GRUB_EFI_BYTES_TO_PAGES (loaded_image->load_options_size));
if (!loaded_image->load_options)
return grub_errno;
@ -290,7 +163,7 @@ grub_arm64_uefi_boot_image (grub_addr_t addr, grub_size_t size, char *args)
/* When successful, not reached */
b->unload_image (image_handle);
grub_efi_free_pages ((grub_efi_physical_address_t) loaded_image->load_options,
BYTES_TO_PAGES (loaded_image->load_options_size));
GRUB_EFI_BYTES_TO_PAGES (loaded_image->load_options_size));
return grub_errno;
}
@ -312,16 +185,13 @@ grub_linux_unload (void)
loaded = 0;
if (initrd_start)
grub_efi_free_pages ((grub_efi_physical_address_t) initrd_start,
BYTES_TO_PAGES (initrd_end - initrd_start));
GRUB_EFI_BYTES_TO_PAGES (initrd_end - initrd_start));
initrd_start = initrd_end = 0;
grub_free (linux_args);
if (kernel_addr)
grub_efi_free_pages ((grub_efi_physical_address_t) kernel_addr,
BYTES_TO_PAGES (kernel_size));
if (fdt)
grub_efi_free_pages ((grub_efi_physical_address_t) fdt,
BYTES_TO_PAGES (grub_fdt_get_totalsize (fdt)));
GRUB_EFI_BYTES_TO_PAGES (kernel_size));
grub_fdt_unload ();
return GRUB_ERR_NONE;
}
@ -352,7 +222,7 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
initrd_size = grub_get_initrd_size (&initrd_ctx);
grub_dprintf ("linux", "Loading initrd\n");
initrd_pages = (BYTES_TO_PAGES (initrd_size));
initrd_pages = (GRUB_EFI_BYTES_TO_PAGES (initrd_size));
initrd_mem = grub_efi_allocate_pages (0, initrd_pages);
if (!initrd_mem)
{
@ -407,9 +277,9 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
grub_loader_unset();
grub_dprintf ("linux", "kernel file size: %lld\n", (long long) kernel_size);
kernel_addr = grub_efi_allocate_pages (0, BYTES_TO_PAGES (kernel_size));
kernel_addr = grub_efi_allocate_pages (0, GRUB_EFI_BYTES_TO_PAGES (kernel_size));
grub_dprintf ("linux", "kernel numpages: %lld\n",
(long long) BYTES_TO_PAGES (kernel_size));
(long long) GRUB_EFI_BYTES_TO_PAGES (kernel_size));
if (!kernel_addr)
{
grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
@ -460,13 +330,13 @@ fail:
if (kernel_addr && !loaded)
grub_efi_free_pages ((grub_efi_physical_address_t) kernel_addr,
BYTES_TO_PAGES (kernel_size));
GRUB_EFI_BYTES_TO_PAGES (kernel_size));
return grub_errno;
}
static grub_command_t cmd_linux, cmd_initrd, cmd_devicetree;
static grub_command_t cmd_linux, cmd_initrd;
GRUB_MOD_INIT (linux)
{
@ -474,9 +344,6 @@ GRUB_MOD_INIT (linux)
N_("Load Linux."));
cmd_initrd = grub_register_command ("initrd", grub_cmd_initrd, 0,
N_("Load initrd."));
cmd_devicetree =
grub_register_command ("devicetree", grub_cmd_devicetree, 0,
N_("Load DTB file."));
my_mod = mod;
}
@ -484,5 +351,4 @@ GRUB_MOD_FINI (linux)
{
grub_unregister_command (cmd_linux);
grub_unregister_command (cmd_initrd);
grub_unregister_command (cmd_devicetree);
}

587
grub-core/loader/arm64/xen_boot.c Normal file
View file

@ -0,0 +1,587 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2014 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/cache.h>
#include <grub/charset.h>
#include <grub/command.h>
#include <grub/err.h>
#include <grub/file.h>
#include <grub/fdt.h>
#include <grub/list.h>
#include <grub/loader.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/types.h>
#include <grub/cpu/fdtload.h>
#include <grub/cpu/linux.h>
#include <grub/efi/efi.h>
#include <grub/efi/pe32.h> /* required by struct xen_hypervisor_header */
#include <grub/i18n.h>
#include <grub/lib/cmdline.h>
GRUB_MOD_LICENSE ("GPLv3+");
#define XEN_HYPERVISOR_NAME "xen_hypervisor"
#define MODULE_DEFAULT_ALIGN (0x0)
#define MODULE_IMAGE_MIN_ALIGN MODULE_DEFAULT_ALIGN
#define MODULE_INITRD_MIN_ALIGN MODULE_DEFAULT_ALIGN
#define MODULE_XSM_MIN_ALIGN MODULE_DEFAULT_ALIGN
#define MODULE_CUSTOM_MIN_ALIGN MODULE_DEFAULT_ALIGN
#define MODULE_IMAGE_COMPATIBLE "multiboot,kernel\0multiboot,module"
#define MODULE_INITRD_COMPATIBLE "multiboot,ramdisk\0multiboot,module"
#define MODULE_XSM_COMPATIBLE "xen,xsm-policy\0multiboot,module"
#define MODULE_CUSTOM_COMPATIBLE "multiboot,module"
/* This maximum size is defined in Power.org ePAPR V1.1
* https://www.power.org/documentation/epapr-version-1-1/
* 2.2.1.1 Node Name Requirements
* node-name@unit-address
* 31 + 1(@) + 16(64bit address in hex format) + 1(\0) = 49
*/
#define FDT_NODE_NAME_MAX_SIZE (49)
struct compat_string_struct
{
grub_size_t size;
const char *compat_string;
};
typedef struct compat_string_struct compat_string_struct_t;
#define FDT_COMPATIBLE(x) {.size = sizeof(x), .compat_string = (x)}
enum module_type
{
MODULE_IMAGE,
MODULE_INITRD,
MODULE_XSM,
MODULE_CUSTOM
};
typedef enum module_type module_type_t;
struct fdt_node_info
{
module_type_t type;
const char *compat_string;
grub_size_t compat_string_size;
};
struct xen_hypervisor_header
{
struct grub_arm64_linux_kernel_header efi_head;
/* This is always PE\0\0. */
grub_uint8_t signature[GRUB_PE32_SIGNATURE_SIZE];
/* The COFF file header. */
struct grub_pe32_coff_header coff_header;
/* The Optional header. */
struct grub_pe64_optional_header optional_header;
};
struct xen_boot_binary
{
struct xen_boot_binary *next;
struct xen_boot_binary **prev;
const char *name;
grub_addr_t start;
grub_size_t size;
grub_size_t align;
char *cmdline;
int cmdline_size;
struct fdt_node_info node_info;
};
static grub_dl_t my_mod;
static int loaded;
static struct xen_boot_binary *xen_hypervisor;
static struct xen_boot_binary *module_head;
static const grub_size_t module_default_align[] = {
MODULE_IMAGE_MIN_ALIGN,
MODULE_INITRD_MIN_ALIGN,
MODULE_XSM_MIN_ALIGN,
MODULE_CUSTOM_MIN_ALIGN
};
static const compat_string_struct_t default_compat_string[] = {
FDT_COMPATIBLE (MODULE_IMAGE_COMPATIBLE),
FDT_COMPATIBLE (MODULE_INITRD_COMPATIBLE),
FDT_COMPATIBLE (MODULE_XSM_COMPATIBLE),
FDT_COMPATIBLE (MODULE_CUSTOM_COMPATIBLE)
};
static __inline grub_addr_t
xen_boot_address_align (grub_addr_t start, grub_size_t align)
{
return (align ? (ALIGN_UP (start, align)) : start);
}
/* set module type according to command name. */
static grub_err_t
set_module_type (grub_command_t cmd, struct xen_boot_binary *module)
{
if (!grub_strcmp (cmd->name, "xen_linux"))
module->node_info.type = MODULE_IMAGE;
else if (!grub_strcmp (cmd->name, "xen_initrd"))
module->node_info.type = MODULE_INITRD;
else if (!grub_strcmp (cmd->name, "xen_xsm"))
module->node_info.type = MODULE_XSM;
return GRUB_ERR_NONE;
}
static grub_err_t
prepare_xen_hypervisor_params (void *xen_boot_fdt)
{
int chosen_node = 0;
int retval;
chosen_node = grub_fdt_find_subnode (xen_boot_fdt, 0, "chosen");
if (chosen_node < 0)
chosen_node = grub_fdt_add_subnode (xen_boot_fdt, 0, "chosen");
if (chosen_node < 1)
return grub_error (GRUB_ERR_IO, "failed to get chosen node in FDT");
grub_dprintf ("xen_loader",
"Xen Hypervisor cmdline : %s @ %p size:%d\n",
xen_hypervisor->cmdline, xen_hypervisor->cmdline,
xen_hypervisor->cmdline_size);
retval = grub_fdt_set_prop (xen_boot_fdt, chosen_node, "bootargs",
xen_hypervisor->cmdline,
xen_hypervisor->cmdline_size);
if (retval)
return grub_error (GRUB_ERR_IO, "failed to install/update FDT");
return GRUB_ERR_NONE;
}
static grub_err_t
prepare_xen_module_params (struct xen_boot_binary *module, void *xen_boot_fdt)
{
int retval, chosen_node = 0, module_node = 0;
char module_name[FDT_NODE_NAME_MAX_SIZE];
retval = grub_snprintf (module_name, FDT_NODE_NAME_MAX_SIZE, "module@%lx",
xen_boot_address_align (module->start,
module->align));
grub_dprintf ("xen_loader", "Module node name %s \n", module_name);
if (retval < (int) sizeof ("module@"))
return grub_error (GRUB_ERR_IO, N_("failed to get FDT"));
chosen_node = grub_fdt_find_subnode (xen_boot_fdt, 0, "chosen");
if (chosen_node < 0)
chosen_node = grub_fdt_add_subnode (xen_boot_fdt, 0, "chosen");
if (chosen_node < 1)
return grub_error (GRUB_ERR_IO, "failed to get chosen node in FDT");
module_node =
grub_fdt_find_subnode (xen_boot_fdt, chosen_node, module_name);
if (module_node < 0)
module_node =
grub_fdt_add_subnode (xen_boot_fdt, chosen_node, module_name);
retval = grub_fdt_set_prop (xen_boot_fdt, module_node, "compatible",
module->node_info.compat_string,
(grub_uint32_t) module->
node_info.compat_string_size);
if (retval)
return grub_error (GRUB_ERR_IO, "failed to update FDT");
grub_dprintf ("xen_loader", "Module %s compatible = %s size = 0x%lx\n",
module->name, module->node_info.compat_string,
module->node_info.compat_string_size);
retval = grub_fdt_set_reg64 (xen_boot_fdt, module_node,
xen_boot_address_align (module->start,
module->align),
module->size);
if (retval)
return grub_error (GRUB_ERR_IO, "failed to update FDT");
if (module->cmdline && module->cmdline_size > 0)
{
grub_dprintf ("xen_loader",
"Module %s cmdline : %s @ %p size:%d\n", module->name,
module->cmdline, module->cmdline, module->cmdline_size);
retval = grub_fdt_set_prop (xen_boot_fdt, module_node, "bootargs",
module->cmdline, module->cmdline_size + 1);
if (retval)
return grub_error (GRUB_ERR_IO, "failed to update FDT");
}
else
{
grub_dprintf ("xen_loader", "Module %s has not bootargs!\n",
module->name);
}
return GRUB_ERR_NONE;
}
static grub_err_t
finalize_params_xen_boot (void)
{
struct xen_boot_binary *module;
void *xen_boot_fdt;
grub_size_t additional_size = 0x1000;
/* Hypervisor. */
additional_size += FDT_NODE_NAME_MAX_SIZE + xen_hypervisor->cmdline_size;
FOR_LIST_ELEMENTS (module, module_head)
{
additional_size += 6 * FDT_NODE_NAME_MAX_SIZE + module->
node_info.compat_string_size + module->cmdline_size;
}
xen_boot_fdt = grub_fdt_load (additional_size);
if (!xen_boot_fdt)
return grub_error (GRUB_ERR_IO, "failed to get FDT");
if (xen_hypervisor)
{
if (prepare_xen_hypervisor_params (xen_boot_fdt) != GRUB_ERR_NONE)
goto fail;
}
else
{
grub_dprintf ("xen_loader", "Failed to get Xen Hypervisor info!\n");
goto fail;
}
/* Set module params info */
FOR_LIST_ELEMENTS (module, module_head)
{
if (module->start && module->size > 0)
{
grub_dprintf ("xen_loader", "Module %s @ 0x%lx size:0x%lx\n",
module->name,
xen_boot_address_align (module->start, module->align),
module->size);
if (prepare_xen_module_params (module, xen_boot_fdt) != GRUB_ERR_NONE)
goto fail;
}
else
{
grub_dprintf ("xen_loader", "Module info error: %s!\n", module->name);
goto fail;
}
}
if (grub_fdt_install() == GRUB_ERR_NONE)
return GRUB_ERR_NONE;
fail:
grub_fdt_unload ();
return grub_error (GRUB_ERR_IO, "failed to install/update FDT");
}
static grub_err_t
xen_boot (void)
{
grub_err_t err = finalize_params_xen_boot ();
if (err)
return err;
return grub_arm64_uefi_boot_image (xen_hypervisor->start,
xen_hypervisor->size,
xen_hypervisor->cmdline);
}
static void
single_binary_unload (struct xen_boot_binary *binary)
{
if (!binary)
return;
if (binary->start && binary->size > 0)
{
grub_efi_free_pages ((grub_efi_physical_address_t) binary->start,
GRUB_EFI_BYTES_TO_PAGES (binary->size + binary->align));
}
if (binary->cmdline && binary->cmdline_size > 0)
{
grub_free (binary->cmdline);
grub_dprintf ("xen_loader",
"Module %s cmdline memory free @ %p size: %d\n",
binary->name, binary->cmdline, binary->cmdline_size);
}
if (binary->node_info.type == MODULE_CUSTOM)
grub_free ((void *) binary->node_info.compat_string);
if (grub_strcmp (binary->name, XEN_HYPERVISOR_NAME))
grub_list_remove (GRUB_AS_LIST (binary));
grub_dprintf ("xen_loader",
"Module %s struct memory free @ %p size: 0x%lx\n",
binary->name, binary, sizeof (binary));
grub_free (binary);
return;
}
static void
all_binaries_unload (void)
{
struct xen_boot_binary *binary;
FOR_LIST_ELEMENTS (binary, module_head)
{
single_binary_unload (binary);
}
if (xen_hypervisor)
single_binary_unload (xen_hypervisor);
return;
}
static grub_err_t
xen_unload (void)
{
loaded = 0;
all_binaries_unload ();
grub_fdt_unload ();
grub_dl_unref (my_mod);
return GRUB_ERR_NONE;
}
static void
xen_boot_binary_load (struct xen_boot_binary *binary, grub_file_t file,
int argc, char *argv[])
{
binary->size = grub_file_size (file);
grub_dprintf ("xen_loader", "Xen_boot %s file size: 0x%lx\n",
binary->name, binary->size);
binary->start
= (grub_addr_t) grub_efi_allocate_pages (0,
GRUB_EFI_BYTES_TO_PAGES
(binary->size +
binary->align));
if (!binary->start)
{
grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
return;
}
grub_dprintf ("xen_loader", "Xen_boot %s numpages: 0x%lx\n",
binary->name, GRUB_EFI_BYTES_TO_PAGES (binary->size + binary->align));
if (grub_file_read (file, (void *) xen_boot_address_align (binary->start,
binary->align),
binary->size) != (grub_ssize_t) binary->size)
{
single_binary_unload (binary);
grub_error (GRUB_ERR_BAD_OS, N_("premature end of file %s"), argv[0]);
return;
}
if (argc > 1)
{
binary->cmdline_size = grub_loader_cmdline_size (argc - 1, argv + 1);
binary->cmdline = grub_zalloc (binary->cmdline_size);
if (!binary->cmdline)
{
single_binary_unload (binary);
grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
return;
}
grub_create_loader_cmdline (argc - 1, argv + 1, binary->cmdline,
binary->cmdline_size);
grub_dprintf ("xen_loader",
"Xen_boot %s cmdline @ %p %s, size: %d\n", binary->name,
binary->cmdline, binary->cmdline, binary->cmdline_size);
}
else
{
binary->cmdline_size = 0;
binary->cmdline = NULL;
}
grub_errno = GRUB_ERR_NONE;
return;
}
static grub_err_t
grub_cmd_xen_module (grub_command_t cmd, int argc, char *argv[])
{
struct xen_boot_binary *module = NULL;
grub_file_t file = 0;
if (!argc)
{
grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
goto fail;
}
if (!loaded)
{
grub_error (GRUB_ERR_BAD_ARGUMENT,
N_("you need to load the Xen Hypervisor first"));
goto fail;
}
module =
(struct xen_boot_binary *) grub_zalloc (sizeof (struct xen_boot_binary));
if (!module)
return grub_errno;
/* process all the options and get module type */
if (set_module_type (cmd, module) != GRUB_ERR_NONE)
goto fail;
switch (module->node_info.type)
{
case MODULE_IMAGE:
case MODULE_INITRD:
case MODULE_XSM:
module->node_info.compat_string =
default_compat_string[module->node_info.type].compat_string;
module->node_info.compat_string_size =
default_compat_string[module->node_info.type].size;
break;
case MODULE_CUSTOM:
/* we have set the node_info in set_module_type */
break;
default:
return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("invalid argument"));
}
module->name = module->node_info.compat_string;
module->align = module_default_align[module->node_info.type];
grub_dprintf ("xen_loader", "Init %s module and node info:\n"
"compatible %s\ncompat_string_size 0x%lx\n",
module->name, module->node_info.compat_string,
module->node_info.compat_string_size);
file = grub_file_open (argv[0]);
if (!file)
goto fail;
xen_boot_binary_load (module, file, argc, argv);
if (grub_errno == GRUB_ERR_NONE)
grub_list_push (GRUB_AS_LIST_P (&module_head), GRUB_AS_LIST (module));
fail:
if (file)
grub_file_close (file);
if (grub_errno != GRUB_ERR_NONE)
single_binary_unload (module);
return grub_errno;
}
static grub_err_t
grub_cmd_xen_hypervisor (grub_command_t cmd __attribute__ ((unused)),
int argc, char *argv[])
{
struct xen_hypervisor_header sh;
grub_file_t file = NULL;
grub_dl_ref (my_mod);
if (!argc)
{
grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
goto fail;
}
file = grub_file_open (argv[0]);
if (!file)
goto fail;
if (grub_file_read (file, &sh, sizeof (sh)) != (long) sizeof (sh))
goto fail;
if (grub_arm64_uefi_check_image
((struct grub_arm64_linux_kernel_header *) &sh) != GRUB_ERR_NONE)
goto fail;
grub_file_seek (file, 0);
/* if another module has called grub_loader_set,
we need to make sure that another module is unloaded properly */
grub_loader_unset ();
xen_hypervisor =
(struct xen_boot_binary *) grub_zalloc (sizeof (struct xen_boot_binary));
if (!xen_hypervisor)
return grub_errno;
xen_hypervisor->name = XEN_HYPERVISOR_NAME;
xen_hypervisor->align = (grub_size_t) sh.optional_header.section_alignment;
xen_boot_binary_load (xen_hypervisor, file, argc, argv);
if (grub_errno == GRUB_ERR_NONE)
{
grub_loader_set (xen_boot, xen_unload, 0);
loaded = 1;
}
fail:
if (file)
grub_file_close (file);
if (grub_errno != GRUB_ERR_NONE)
{
loaded = 0;
all_binaries_unload ();
grub_dl_unref (my_mod);
}
return grub_errno;
}
static grub_command_t cmd_xen_hypervisor;
static grub_command_t cmd_xen_linux, cmd_xen_initrd, cmd_xen_xsm;
GRUB_MOD_INIT (xen_boot)
{
cmd_xen_hypervisor =
grub_register_command ("xen_hypervisor", grub_cmd_xen_hypervisor, 0,
N_("Load a xen hypervisor."));
cmd_xen_linux =
grub_register_command ("xen_linux", grub_cmd_xen_module, 0,
N_("Load a xen linux kernel for dom0."));
cmd_xen_initrd =
grub_register_command ("xen_initrd", grub_cmd_xen_module, 0,
N_("Load a xen initrd for dom0."));
cmd_xen_xsm =
grub_register_command ("xen_xsm", grub_cmd_xen_module, 0,
N_("Load a xen security module."));
my_mod = mod;
}
GRUB_MOD_FINI (xen_boot)
{
grub_unregister_command (cmd_xen_hypervisor);
grub_unregister_command (cmd_xen_linux);
grub_unregister_command (cmd_xen_initrd);
grub_unregister_command (cmd_xen_xsm);
}

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

@ -73,6 +73,9 @@ load_kernel (grub_file_t file, const char *filename,
if (grub_multiboot_quirks & GRUB_MULTIBOOT_QUIRK_BAD_KLUDGE)
{
err = grub_multiboot_load_elf (file, filename, buffer);
if (err == GRUB_ERR_NONE) {
return GRUB_ERR_NONE;
}
if (err == GRUB_ERR_UNKNOWN_OS && (header->flags & MULTIBOOT_AOUT_KLUDGE))
grub_errno = err = GRUB_ERR_NONE;
}

29
grub-core/loader/multiboot.c
View file

@ -240,20 +240,27 @@ grub_cmd_multiboot (grub_command_t cmd __attribute__ ((unused)),
#ifndef GRUB_USE_MULTIBOOT2
grub_multiboot_quirks = GRUB_MULTIBOOT_QUIRKS_NONE;
int option_found = 0;
if (argc != 0 && grub_strcmp (argv[0], "--quirk-bad-kludge") == 0)
do
{
argc--;
argv++;
grub_multiboot_quirks |= GRUB_MULTIBOOT_QUIRK_BAD_KLUDGE;
}
option_found = 0;
if (argc != 0 && grub_strcmp (argv[0], "--quirk-bad-kludge") == 0)
{
argc--;
argv++;
option_found = 1;
grub_multiboot_quirks |= GRUB_MULTIBOOT_QUIRK_BAD_KLUDGE;
}
if (argc != 0 && grub_strcmp (argv[0], "--quirk-modules-after-kernel") == 0)
{
argc--;
argv++;
grub_multiboot_quirks |= GRUB_MULTIBOOT_QUIRK_MODULES_AFTER_KERNEL;
}
if (argc != 0 && grub_strcmp (argv[0], "--quirk-modules-after-kernel") == 0)
{
argc--;
argv++;
option_found = 1;
grub_multiboot_quirks |= GRUB_MULTIBOOT_QUIRK_MODULES_AFTER_KERNEL;
}
} while (option_found);
#endif
if (argc == 0)

4
grub-core/loader/sparc64/ieee1275/linux.c
View file

@ -196,7 +196,7 @@ alloc_phys_choose (grub_uint64_t addr, grub_uint64_t len,
struct alloc_phys_ctx *ctx = data;
grub_addr_t end = addr + len;
if (type != 1)
if (type != GRUB_MEMORY_AVAILABLE)
return 0;
addr = ALIGN_UP (addr, FOUR_MB);
@ -430,7 +430,7 @@ static int
get_physbase (grub_uint64_t addr, grub_uint64_t len __attribute__ ((unused)),
grub_memory_type_t type, void *data __attribute__ ((unused)))
{
if (type != 1)
if (type != GRUB_MEMORY_AVAILABLE)
return 0;
if (addr < phys_base)
phys_base = addr;