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ChangeLog
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2019-07-04 Daniel Kiper <[email protected]>
Release 2.04
2019-06-24 Thomas Schmitt <[email protected]>
docs: Document workaround for grub-mkrescue with older MacBooks
Add a description of the workaround for firmware of older MacBooks
which stalls with a grub-mkrescue ISO image for x86_64-efi target
on an USB stick.
Reviewed-by: Daniel Kiper <[email protected]>
2019-06-24 Eric Snowberg <[email protected]>
docs: Bootstrap changes required for older distros
Some older distros do not contain gettext 0.18. Document the workaround
to use the bootstrap utility on these systems.
Reviewed-by: Daniel Kiper <[email protected]>
2019-06-07 Leif Lindholm <[email protected]>
ia64: build fix in cache.h
Add IA64 to the architectures excluding a declaration for
grub_arch_sync_dma_caches().
IA64 does not include any of the source files that require the function,
but was overlooked for d8901e3ba115 ("cache: Fix compilation for ppc,
sparc and arm64").
Add it to the list of excluding architectures in order to not get
missing symbol errors when running grub-mkimage.
Reported-by: Alexander Graf <[email protected]>
Tested-by: John Paul Adrian Glaubitz <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]>
2019-06-07 Vladimir 'phcoder' Serbinenko <[email protected]>
hostfs: #undef open and close.
Unlike in case of disks in this case it's just a single place, so it's easier
to just #undef
Reviewed-by: Daniel Kiper <[email protected]>
2019-06-03 John Paul Adrian Glaubitz <[email protected]>
f2fs: Disable gcc9 -Waddress-of-packed-member
Disable the -Wadress-of-packaed-member diagnostic for the grub_f2fs_label
function since the result is found to be false postive.
A pointer to the 'volume_name' member of 'struct grub_f2fs_superblock' is
guaranteed to be aligned as the offset of 'volume_name' within the struct
is dividable by the natural alignment on both 32- and 64-bit targets.
grub-core/fs/f2fs.c: In function ‘grub_f2fs_label’:
grub-core/fs/f2fs.c:1253:60: error: taking address of packed member of ‘struct grub_f2fs_superblock’ may result in an unaligned pointer value [-Werror=address-of-packed-member]
1253 | *label = (char *) grub_f2fs_utf16_to_utf8 (data->sblock.volume_name);
| ~~~~~~~~~~~~^~~~~~~~~~~~
cc1: all warnings being treated as errors
Reported-by: Neil MacLeod <[email protected]>
Tested-by: Neil MacLeod <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]>
2019-05-20 Vincent Legoll <[email protected]>
grub-mkrescue: Fix error message about the wrong command having failed: mformat instead of mcopy
Reviewed-by: Daniel Kiper <[email protected]>
2019-05-20 Mathieu Trudel-Lapierre <[email protected]>
video: skip 'text' gfxpayload if not supported, to fallback to default
On UEFI, 'text' gfxpayload is not supported, but we still reach parse_modespec()
with it, which will obviously fail. Fortunately, whatever gfxpayload is set,
we still still have the 'auto' default to fall back to. Allow getting to this
fallback by not trying to parse 'text' as a modespec.
This is because 'text' correctly doesn't parse as a modespec, and ought to have
been ignored before we got to that point, just like it is immediately picked if
we're running on a system where 'text' is a supported video mode.
Bug: https://savannah.gnu.org/bugs/index.php?56217
Reviewed-by: Daniel Kiper <[email protected]>
2019-05-20 Ovidiu Panait <[email protected]>
grub-mkconfig: Use -c instead of --printf for stat
"--printf" only works with the stat variant provided by coreutils.
With busybox, stat will fail with the following error:
stat: unrecognized option '--printf=%T'
Usage: stat [OPTIONS] FILE...
Reviewed-by: Daniel Kiper <[email protected]>
2019-05-20 Michael Chang <[email protected]>
f2fs: Fix gcc9 error -Werror=maybe-uninitialized
The function grub_get_node_path() could return uninitialized offset with
level == 0 if the block is greater than direct_index + 2 * direct_blks +
2 * indirect_blks + dindirect_blks. The uninitialized offset is then used
by function grub_f2fs_get_block() because level == 0 is valid and
meaningful return to be processed.
The fix is to set level = -1 as return value by grub_get_node_path() to
signify an error that the input block cannot be handled. Any caller
should therefore check level is negative or not before processing the
output.
Reported-by: Neil MacLeod <[email protected]>
Tested-by: Neil MacLeod <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]>
2019-05-06 Alexander Graf <[email protected]>
arm: Align section alignment with manual relocation offset code
The arm relocation code has a manual special case for EFI binaries to
add the natural alignment to its own relocation awareness.
Since commit a51f953f4ee87 ("mkimage: Align efi sections on 4k
boundary") we changed that alignment from 0x400 to 0x1000 bytes. Reflect
the change in that branch that we forgot as well.
This fixes running 32bit arm grub efi binaries for me again.
Fixes: a51f953f4ee87 ("mkimage: Align efi sections on 4k boundary")
Reported-by: Heinrich Schuchardt <[email protected]>
Reported-by: Steve McIntyre <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]>
Tested-by: Julien ROBIN <[email protected]>
Reviewed-by: Leif Lindholm <[email protected]>
Tested-by: Leif Lindholm <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]>
2019-05-06 Alexander Graf <[email protected]>
arm: Move trampolines into code section
When creating T32->A32 transition jumps, the relocation code in grub
will generate trampolines. These trampolines live in the .data section
of our PE binary which means they are not marked as executable.
This misbehavior was unmasked by commit a51f953f4ee87 ("mkimage: Align
efi sections on 4k boundary") which made the X/NX boundary more obvious
because everything became page aligned.
To put things into proper order, let's move the arm trampolines into the
.text section instead. That way everyone knows they are executable.
Fixes: a51f953f4ee87 ("mkimage: Align efi sections on 4k boundary")
Reported-by: Julien ROBIN <[email protected]>
Reported-by: Leif Lindholm <[email protected]>
Tested-by: Julien ROBIN <[email protected]>
Reviewed-by: Leif Lindholm <[email protected]>
Tested-by: Leif Lindholm <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-23 Michael Chang <[email protected]>
efi: Fix gcc9 error -Waddress-of-packed-member
The address of fp->path_name could be unaligned since seeking into the
device path buffer for a given node could end in byte boundary.
The fix is allocating aligned buffer by grub_malloc for holding the
UTF16 string copied from fp->path_name, and after using that buffer as
argument for grub_utf16_to_utf8 to convert it to UTF8 string.
[ 255s] ../../grub-core/kern/efi/efi.c: In function 'grub_efi_get_filename':
[ 255s] ../../grub-core/kern/efi/efi.c:410:60: error: taking address of packed member of 'struct grub_efi_file_path_device_path' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 255s] 410 | p = (char *) grub_utf16_to_utf8 ((unsigned char *) p, fp->path_name, len);
[ 255s] | ~~^~~~~~~~~~~
[ 255s] ../../grub-core/kern/efi/efi.c: In function 'grub_efi_print_device_path':
[ 255s] ../../grub-core/kern/efi/efi.c:900:33: error: taking address of packed member of 'struct grub_efi_file_path_device_path' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 255s] 900 | *grub_utf16_to_utf8 (buf, fp->path_name,
[ 255s] | ~~^~~~~~~~~~~
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-23 Michael Chang <[email protected]>
chainloader: Fix gcc9 error -Waddress-of-packed-member
The address of fp->path_name could be unaligned since seeking into the
device path buffer for a given node could end in byte boundary.
The fix is using aligned buffer allocated by grub_malloc for receiving
the converted UTF16 string by grub_utf8_to_utf16 and also the processing
after. The resulting string then gets copied to fp->path_name.
[ 243s] ../../grub-core/loader/efi/chainloader.c: In function 'copy_file_path':
[ 243s] ../../grub-core/loader/efi/chainloader.c:136:32: error: taking address of packed member of 'struct grub_efi_file_path_device_path' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 243s] 136 | size = grub_utf8_to_utf16 (fp->path_name, len * GRUB_MAX_UTF16_PER_UTF8,
[ 243s] | ~~^~~~~~~~~~~
[ 243s] ../../grub-core/loader/efi/chainloader.c:138:12: error: taking address of packed member of 'struct grub_efi_file_path_device_path' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 243s] 138 | for (p = fp->path_name; p < fp->path_name + size; p++)
[ 243s] | ^~
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-23 Michael Chang <[email protected]>
usbtest: Disable gcc9 -Waddress-of-packed-member
Disable the -Wadress-of-packaed-member diagnostic for the
grub_usb_get_string function since the result is false postive. The
descstrp->str is found to be aligned in the buffer allocated for 'struct
grub_usb_desc_str'.
[ 229s] ../../grub-core/commands/usbtest.c: In function 'grub_usb_get_string':
[ 229s] ../../grub-core/commands/usbtest.c:104:58: error: taking address of packed member of 'struct grub_usb_desc_str' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 229s] 104 | *grub_utf16_to_utf8 ((grub_uint8_t *) *string, descstrp->str,
[ 229s] | ~~~~~~~~^~~~~
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-23 Michael Chang <[email protected]>
acpi: Fix gcc9 error -Waddress-of-packed-member
Simply adds the missing packed attribute to 'struct grub_acpi_madt'.
[ 233s] ../../grub-core/commands/lsacpi.c: In function 'disp_acpi_xsdt_table':
[ 233s] ../../grub-core/commands/lsacpi.c:201:27: error: converting a packed 'struct grub_acpi_table_header' pointer (alignment 1) to a 'struct grub_acpi_madt' pointer (alignment 4) may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 233s] 201 | disp_madt_table ((struct grub_acpi_madt *) t);
[ 233s] | ^~~~~~~~~~~~~~
[ 233s] In file included from ../../grub-core/commands/lsacpi.c:23:
[ 233s] ../../include/grub/acpi.h:50:8: note: defined here
[ 233s] 50 | struct grub_acpi_table_header
[ 233s] | ^~~~~~~~~~~~~~~~~~~~~~
[ 233s] ../../include/grub/acpi.h:90:8: note: defined here
[ 233s] 90 | struct grub_acpi_madt
[ 233s] | ^~~~~~~~~~~~~~
[ 233s] ../../grub-core/commands/lsacpi.c: In function 'disp_acpi_rsdt_table':
[ 233s] ../../grub-core/commands/lsacpi.c:225:27: error: converting a packed 'struct grub_acpi_table_header' pointer (alignment 1) to a 'struct grub_acpi_madt' pointer (alignment 4) may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 233s] 225 | disp_madt_table ((struct grub_acpi_madt *) t);
[ 233s] | ^~~~~~~~~~~~~~
[ 233s] In file included from ../../grub-core/commands/lsacpi.c:23:
[ 233s] ../../include/grub/acpi.h:50:8: note: defined here
[ 233s] 50 | struct grub_acpi_table_header
[ 233s] | ^~~~~~~~~~~~~~~~~~~~~~
[ 233s] ../../include/grub/acpi.h:90:8: note: defined here
[ 233s] 90 | struct grub_acpi_madt
[ 233s] | ^~~~~~~~~~~~~~
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-23 Michael Chang <[email protected]>
hfsplus: Fix gcc9 error with -Waddress-of-packed-member
The catkey->name could be unaligned since the address of 'void* record'
is calculated as offset in bytes to a malloc buffer.
The fix is using aligned buffer allocated by grub_malloc for holding
the UTF16 string copied from catkey->name. And use that buffer as
argument for grub_utf16_to_utf8 to convert to UTF8 strings.
In addition, using a new copy of buffer rather than catkey->name itself
for processing the endianess conversion, we can also get rid of the hunk
restoring byte order of catkey->name to what it was previously.
[ 59s] ../grub-core/fs/hfsplus.c: In function 'list_nodes':
[ 59s] ../grub-core/fs/hfsplus.c:738:57: error: taking address of packed member of 'struct grub_hfsplus_catkey' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 59s] 738 | *grub_utf16_to_utf8 ((grub_uint8_t *) filename, catkey->name,
[ 59s] | ~~~~~~^~~~~~
[ 59s] ../grub-core/fs/hfsplus.c: In function 'grub_hfsplus_label':
[ 59s] ../grub-core/fs/hfsplus.c:1019:57: error: taking address of packed member of 'struct grub_hfsplus_catkey' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 59s] 1019 | *grub_utf16_to_utf8 ((grub_uint8_t *) (*label), catkey->name,
[ 59s] | ~~~~~~^~~~~~
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-23 Michael Chang <[email protected]>
hfs: Fix gcc9 error -Waddress-of-packed-member
Simply adds the missing packed attribute to 'struct grub_hfs_extent'.
[ 83s] ../grub-core/fs/hfs.c: In function 'grub_hfs_iterate_records':
[ 83s] ../grub-core/fs/hfs.c:699:9: error: taking address of packed member of 'struct grub_hfs_sblock' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 83s] 699 | ? (&data->sblock.catalog_recs)
[ 83s] | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
[ 83s] ../grub-core/fs/hfs.c:700:9: error: taking address of packed member of 'struct grub_hfs_sblock' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 83s] 700 | : (&data->sblock.extent_recs));
[ 83s] | ~^~~~~~~~~~~~~~~~~~~~~~~~~~
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-23 Michael Chang <[email protected]>
jfs: Disable gcc9 -Waddress-of-packed-member
Disable the -Wadress-of-packaed-member diagnostic for the
grub_jfs_getent function since the result is found to be false postive.
The leaf is read into memory as continous chunks in size of 32 bytes and
the pointer to its base is aligned, which also guarentee its member
leaf->namepart is aligned.
[ 60s] ../grub-core/fs/jfs.c: In function 'grub_jfs_getent':
[ 60s] ../grub-core/fs/jfs.c:557:44: error: taking address of packed member of 'struct grub_jfs_leaf_dirent' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 60s] 557 | le_to_cpu16_copy (filename + strpos, leaf->namepart, len < diro->data->namecomponentlen ? len
[ 60s] | ~~~~^~~~~~~~~~
[ 60s] ../grub-core/fs/jfs.c:570:48: error: taking address of packed member of 'struct grub_jfs_leaf_next_dirent' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 60s] 570 | le_to_cpu16_copy (filename + strpos, next_leaf->namepart, len < 15 ? len : 15);
[ 60s] | ~~~~~~~~~^~~~~~~~~~
[ 60s] cc1: all warnings being treated as errors
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-23 Michael Chang <[email protected]>
cpio: Disable gcc9 -Waddress-of-packed-member
Disable the -Wadress-of-packaed-member diagnostic for the
grub_cpio_find_file function since the result is found to be false
postive. Any pointers to member of the 'struct head hd' is aligned even
if the structure is packed without paddings.
[ 59s] In file included from ../grub-core/fs/cpio.c:51:
[ 59s] ../grub-core/fs/cpio_common.c: In function 'grub_cpio_find_file':
[ 59s] ../grub-core/fs/cpio_common.c:58:31: error: taking address of packed member of 'struct head' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 59s] 58 | data->size = read_number (hd.filesize, ARRAY_SIZE (hd.filesize));
[ 59s] | ~~^~~~~~~~~
[ 59s] ../grub-core/fs/cpio_common.c:60:29: error: taking address of packed member of 'struct head' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 59s] 60 | *mtime = read_number (hd.mtime, ARRAY_SIZE (hd.mtime));
[ 59s] | ~~^~~~~~
[ 59s] ../grub-core/fs/cpio_common.c:61:28: error: taking address of packed member of 'struct head' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 59s] 61 | modeval = read_number (hd.mode, ARRAY_SIZE (hd.mode));
[ 59s] | ~~^~~~~
[ 59s] ../grub-core/fs/cpio_common.c:62:29: error: taking address of packed member of 'struct head' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 59s] 62 | namesize = read_number (hd.namesize, ARRAY_SIZE (hd.namesize));
[ 59s] | ~~^~~~~~~~~
[ 59s] In file included from ../grub-core/fs/cpio_be.c:51:
[ 59s] ../grub-core/fs/cpio_common.c: In function 'grub_cpio_find_file':
[ 59s] ../grub-core/fs/cpio_common.c:58:31: error: taking address of packed member of 'struct head' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 59s] 58 | data->size = read_number (hd.filesize, ARRAY_SIZE (hd.filesize));
[ 59s] | ~~^~~~~~~~~
[ 59s] ../grub-core/fs/cpio_common.c:60:29: error: taking address of packed member of 'struct head' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 59s] 60 | *mtime = read_number (hd.mtime, ARRAY_SIZE (hd.mtime));
[ 59s] | ~~^~~~~~
[ 59s] ../grub-core/fs/cpio_common.c:61:28: error: taking address of packed member of 'struct head' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 59s] 61 | modeval = read_number (hd.mode, ARRAY_SIZE (hd.mode));
[ 59s] | ~~^~~~~
[ 59s] ../grub-core/fs/cpio_common.c:62:29: error: taking address of packed member of 'struct head' may result in an unaligned pointer value [-Werror=address-of-packed-member]
[ 59s] 62 | namesize = read_number (hd.namesize, ARRAY_SIZE (hd.namesize));
[ 59s] | ~~^~~~~~~~~
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-23 Heinrich Schuchardt <[email protected]>
efi: Avoid NULL dereference if FilePath is NULL
The UEFI specification allows LoadImage() to be called with a memory
location only and without a device path. In this case FilePath will not be
set in the EFI_LOADED_IMAGE_PROTOCOL.
So in function grub_efi_get_filename() the device path argument may be
NULL. As we cannot determine the device path in this case just return NULL
from the function.
Reviewed-by: Leif Lindholm <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-23 Daniel Kiper <[email protected]>
x86/msr: Fix build with older GCC versions
Some older GCC versions produce following error when x86 MSR modules are build:
In file included from commands/i386/rdmsr.c:29:0:
../include/grub/i386/rdmsr.h:27:29: error: no previous prototype for ‘grub_msr_read’ [-Werror=missing-prototypes]
extern inline grub_uint64_t grub_msr_read (grub_uint32_t msr_id)
^
cc1: all warnings being treated as errors
This happens due to lack of support for a such usage of extern keyword
in older GCCs. Additionally, this usage is not consistent with the rest
of codebase. So, replace it with static keyword.
Additionally, fix incorrect coding style.
Reported-by: Eric Snowberg <[email protected]>
Reported-by: adrian15 <[email protected]>
Reviewed-by: Vladimir 'phcoder' Serbinenko <[email protected]>
Reviewed-by: Eric Snowberg <[email protected]>
Tested-by: adrian15 <[email protected]>
2019-04-09 Vladimir Serbinenko <[email protected]>
Release 2.04~rc1
2019-04-09 Vladimir Serbinenko <[email protected]>
Change fs functions to add fs_ prefix
This avoid conflict with gnulib
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-08 Vladimir Serbinenko <[email protected]>
A workaround for clang problem assembling startup_raw.S
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-04 Eric Snowberg <[email protected]>
ieee1275: NULL pointer dereference in grub_ieee1275_encode_devname()
Function grub_strndup() may return NULL, this is called from
function grub_ieee1275_get_devname() which is then called from
function grub_ieee1275_encode_devname() to set device. The device
variable could then be used with a NULL pointer.
Reviewed-by: Colin Watson <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-02 Daniel Kiper <[email protected]>
docs/grub-dev: Change comments rules
Current comments forms are annoying, so, some of them are disallowed
starting from now. New rules are more flexible and mostly aligned
with, e.g., Linux kernel comments rules.
Reviewed-by: Vladimir Serbinenko <[email protected]>
2019-04-02 Andrew Jeddeloh <[email protected]>
loader/i386/linux: Calculate the setup_header length
Previously the setup_header length was just assumed to be the size of the
linux_kernel_params struct. The linux x86 32-bit boot protocol says that the
end of the linux_i386_kernel_header is at 0x202 + the byte value at 0x201 in
the linux_i386_kernel_header. So, calculate the size of the header using the
end of the linux_i386_kernel_header, rather than assume it is the size of the
linux_kernel_params struct.
Additionally, add some required members to the linux_kernel_params
struct and align the content of linux_i386_kernel_header struct with
it. New members naming was taken directly from Linux kernel source.
linux_kernel_params and linux_i386_kernel_header structs require more
cleanup. However, this is not urgent, so, let's do this after release.
Just in case...
Reviewed-by: Vladimir Serbinenko <[email protected]>
Reviewed-by: Ross Philipson <[email protected]>
2019-04-02 Eric Snowberg <[email protected]>
efidisk: NULL pointer dereference in grub_efidisk_get_device_name()
Function grub_efi_find_last_device_path() may return NULL when called
from grub_efidisk_get_device_name().
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-02 Eric Snowberg <[email protected]>
efidisk: NULL pointer dereference in is_child()
Function grub_efi_find_last_device() path may return NULL when called
from is_child().
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-02 Eric Snowberg <[email protected]>
efidisk: Write to NULL pointer ldp
Function grub_efi_find_last_device_path() may return constant NULL when
called from find_parent_device().
Reviewed-by: Daniel Kiper <[email protected]>
2019-04-02 Vladimir Serbinenko <[email protected]>
clang: Pair -Qn with -Qunused-arguments.
When assembling module wirh clang -Qn ends up on command line but later ignored
To avoid it breaking the compile, add -Qunused-arguments.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-28 John Paul Adrian Glaubitz <[email protected]>
ieee1275: Fix path reference in comment of sparc64 boot loader code
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-28 John Paul Adrian Glaubitz <[email protected]>
ieee1275: Include a.out header in assembly of sparc64 boot loader
Recent versions of binutils dropped support for the a.out and COFF
formats on sparc64 targets. Since the boot loader on sparc64 is
supposed to be an a.out binary and the a.out header entries are
rather simple to calculate in our case, we just write the header
ourselves instead of relying on external tools to do that.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-26 Vladimir Serbinenko <[email protected]>
Propagate GNU_PRINTF from gnulib vfprintf
gnulib now replaces vfprintf and hence its format becomes GNU_PRINTF format
This also fixes matching definitions to always use GNU format
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-26 Vladimir Serbinenko <[email protected]>
efi/tpm.c: Add missing casts
Without those casts we get a warning about implicit conversion of pointer
to integer.
2019-03-26 Vladimir Serbinenko <[email protected]>
POTFILES: Don't include gnulib in grub.pot
They're translated as a separate project, so we
don't want to submit them again.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-26 Vladimir Serbinenko <[email protected]>
configure.ac: Use nostdlib when checking for nostdinc
With clang nostdinc behaviour is influenced by nostdlib. Since we
always add nostdlib, add it in test as well
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-25 Vladimir Serbinenko <[email protected]>
efi/tpm.h: Fix hash_log_extend_event definition.
I didn't check the spec but pointer to address doesn't make much sense
and doesn't match the code.
Rename grub_disk members
Otherwise it horribly clashes with gnulib when it's
replacing open/write/read/close
grub-mkimagexx: Fix RISCV error message
Outputting a raw pointer doesn't match the format and is
also useless. Output offset instead.
kern/emu/misc.c: Don't include config-util.h when running as GRUB_BUILD
Support R_PPC_PLTREL24
It's emitted by clang 7. It's the same as R_PPC_REL24.
2019-03-20 Daniel Kiper <[email protected]>
sparc: Enable __clzsi2() and __clzdi2()
This patch is similiar to commit e795b9011 (RISC-V: Add libgcc helpers
for clz) but for SPARC target.
Reviewed-by: Ross Philipson <[email protected]>
2019-03-20 Daniel Kiper <[email protected]>
mips: Enable __clzsi2()
This patch is similiar to commit e795b9011 (RISC-V: Add libgcc helpers
for clz) but for MIPS target.
Reviewed-by: Ross Philipson <[email protected]>
2019-03-20 Daniel Kiper <[email protected]>
verifiers: MIPS fallout cleanup
MIPS fallout cleanup after commit 4d4a8c96e (verifiers: Add possibility
to verify kernel and modules command lines).
Reviewed-by: Ross Philipson <[email protected]>
2019-03-20 Daniel Kiper <[email protected]>
verifiers: PowerPC fallout cleanup
PowerPC fallout cleanup after commit 4d4a8c96e (verifiers: Add possibility
to verify kernel and modules command lines) and ca0a4f689 (verifiers: File
type for fine-grained signature-verification controlling).
Reviewed-by: Ross Philipson <[email protected]>
2019-03-20 Daniel Kiper <[email protected]>
verifiers: IA-64 fallout cleanup
IA-64 fallout cleanup after commit 4d4a8c96e (verifiers: Add possibility
to verify kernel and modules command lines).
Reviewed-by: Ross Philipson <[email protected]>
2019-03-20 Colin Watson <[email protected]>
posix_wrap: Flesh out posix_wrap/limits.h a little more
In addition to what was already there, Gnulib's <intprops.h> needs SCHAR_MIN,
SCHAR_MAX, SHRT_MIN, INT_MIN, LONG_MIN, and LONG_MAX. Fixes build on CentOS 7.
Reported-by: "Chen, Farrah" <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-19 Marek Marczykowski-Górecki <[email protected]>
xen: Look for Xen notes in section headers too
Mirror behaviour of ELF loader in libxc: first look for Xen notes in
PT_NOTE segment, then in SHT_NOTE section and only then fallback to
a section with __xen_guest name. This fixes loading PV kernels that
Xen note have outside of PT_NOTE. While this may be result of a buggy
linker script, loading such kernel directly works fine, so make it work
with GRUB too. Specifically, this applies to binaries built from Unikraft.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-19 Colin Watson <[email protected]>
getroot: Save/restore CWD more reliably on Unix
Various GRUB utilities fail if the current directory doesn't exist,
because grub_find_device() chdirs to a different directory and then
fails when trying to chdir back. Gnulib's save-cwd module uses fchdir()
instead when it can, avoiding this category of problem.
Fixes Debian bug #918700.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Andrei Borzenkov <[email protected]>
net/dhcp: Add explicit net_dhcp command
Mostly for cosmetic reasons, we add a "net_dhcp" command, which is (at the
moment) identical to the existing "net_bootp" command. Both actually trigger
a DHCP handshake now, and both should be able to deal with pure BOOTP servers.
We could think about dropping the DHCP options from the initial DISCOVER packet
when the user issues the net_bootp command, but it's unclear whether this is
really useful, as both protocols should be able to coexist.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Andrei Borzenkov <[email protected]>
net/dhcp: Actually send out DHCPv4 DISCOVER and REQUEST messages
Even though we were parsing some DHCP options sent by the server, so far
we are only using the BOOTP 2-way handshake, even when talking to a DHCP
server.
Change this by actually sending out DHCP DISCOVER packets instead of the
generic (mostly empty) BOOTP BOOTREQUEST packets.
A pure BOOTP server would ignore the extra DHCP options in the DISCOVER
packet and would just reply with a BOOTREPLY packet, which we also
handle in the code.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Andrei Borzenkov <[email protected]>
net/dhcp: Allow receiving DHCP OFFER and ACK packets
In respone to a BOOTREQUEST packet a BOOTP server would answer with a BOOTREPLY
packet, which ends the conversation for good. DHCP uses a 4-way handshake,
where the initial server respone is an OFFER, which has to be answered with
REQUEST by the client again, only to be completed by an ACKNOWLEDGE packet
from the server.
Teach the grub_net_process_dhcp() function to deal with OFFER packets,
and treat ACK packets the same es BOOTREPLY packets.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Andrei Borzenkov <[email protected]>
net/dhcp: Use DHCP options for name and bootfile
The BOOTP RFC describes the boot file name and the server name as being part
of the integral BOOTP data structure, with some limits on the size of them.
DHCP extends this by allowing them to be separate DHCP options, which is more
flexible.
Teach the code dealing with those fields to check for those DHCP options first
and use this information, if provided. We fall back to using the BOOTP
information if those options are not used.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Andrei Borzenkov <[email protected]>
net/dhcp: Introduce per-interface timeout
Currently we have a global timeout for all network cards in the BOOTP/DHCP
discovery process.
Make this timeout a per-interface one, so better accommodate the upcoming
4-way DHCP handshake and to also cover the lease time limit a DHCP offer
will come with.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Andrei Borzenkov <[email protected]>
net/dhcp: Make grub_net_process_dhcp() take an interface
Change the interface of the function dealing with incoming BOOTP packets
to take an interface instead of a card, to allow more fine per-interface
state (timeout, handshake state) later on.
Use the opportunity to clean up the code a bit.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Andrei Borzenkov <[email protected]>
net/dhcp: Refactor DHCP packet transmission into separate function
In contrast to BOOTP, DHCP uses a 4-way handshake, so requires to send
packets more often.
Refactor the generation and sending of the BOOTREQUEST packet into
a separate function, so that future code can more easily reuse this.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Andrei Borzenkov <[email protected]>
net/dhcp: Allow overloading legacy bootfile and name field
DHCP specifies a special dummy option OVERLOAD, to allow DHCP options to
spill over into the (legacy) BOOTFILE and SNAME fields.
Parse and handle this option properly.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Andrei Borzenkov <[email protected]>
net/dhcp: Replace parse_dhcp_vendor() with find_dhcp_option()
For proper DHCP support we will need to parse DHCP options from a packet
more often and at various places.
Refactor the option parsing into a new function, which will scan a packet to
find *a particular* option field. Use that new function in places where we
were dealing with DHCP options before.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Andrei Borzenkov <[email protected]>
net/dhcp: Remove dead code
The comment is right, the "giaddr" fields holds the IP address of the BOOTP
relay, not a general purpose router address. Just remove the commented code,
archeologists can find it in the git history.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Jesús Diéguez Fernández <[email protected]>
msr: Add new MSR modules (rdmsr/wrmsr)
In order to be able to read from and write to model-specific registers,
two new modules are added. They are i386 specific, as the cpuid module.
rdmsr module registers the command rdmsr that allows reading from a MSR.
wrmsr module registers the command wrmsr that allows writing to a MSR.
wrmsr module is disabled if UEFI secure boot is enabled.
Please note that on SMP systems, interacting with a MSR that has a scope
per hardware thread, implies that the value only applies to the
particular cpu/core/thread that ran the command.
Also, if you specify a reserved or unimplemented MSR address, it will
cause a general protection exception (which is not currently being
handled) and the system will reboot.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Jesús Diéguez Fernández <[email protected]>
asm: Replace "__asm__ __volatile__" with "asm volatile"
In order to maintain the coding style consistency, it was requested to
replace the methods that use "__asm__ __volatile__" with "asm volatile".
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Eric Snowberg <[email protected]>
sparc64: Add bios boot partition support
Add BIOS Boot Partition support for sparc64 platforms. This will work a
little different than x86. With GPT, both the OBP "load" and "boot" commands
are partition aware and neither command can see the partition table. Therefore
the entire boot-loader is stored within the BIOS Boot Partition and nothing
is stored within the bootstrap code area of MBR.
To use it, the end user will issue the boot command with the path pointing to
the BIOS Boot Partition.
For example with the disk below:
Model: Unknown (unknown)
Disk /dev/nvme1n1: 1600GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number Start End Size File system Name Flags
1 1049kB 1075MB 1074MB ext3
2 1075MB 1076MB 1049kB bios_grub
3 1076MB 1600GB 1599GB lvm
To boot grub2 from OBP, you would use:
boot /pci@302/pci@1/pci@0/pci@13/nvme@0/disk@1:b
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Eric Snowberg <[email protected]>
ieee1275: obdisk driver
Add a new disk driver called obdisk for IEEE1275 platforms. Currently
the only platform using this disk driver is SPARC, however other IEEE1275
platforms could start using it if they so choose. While the functionality
within the current IEEE1275 ofdisk driver may be suitable for PPC and x86, it
presented too many problems on SPARC hardware.
Within the old ofdisk, there is not a way to determine the true canonical
name for the disk. Within Open Boot, the same disk can have multiple names
but all reference the same disk. For example the same disk can be referenced
by its SAS WWN, using this form:
/pci@302/pci@2/pci@0/pci@17/LSI,sas@0/disk@w5000cca02f037d6d,0
It can also be referenced by its PHY identifier using this form:
/pci@302/pci@2/pci@0/pci@17/LSI,sas@0/disk@p0
It can also be referenced by its Target identifier using this form:
/pci@302/pci@2/pci@0/pci@17/LSI,sas@0/disk@0
Also, when the LUN=0, it is legal to omit the ,0 from the device name. So with
the disk above, before taking into account the device aliases, there are 6 ways
to reference the same disk.
Then it is possible to have 0 .. n device aliases all representing the same disk.
Within this new driver the true canonical name is determined using the the
IEEE1275 encode-unit and decode-unit commands when address_cells == 4. This
will determine the true single canonical name for the device so multiple ihandles
are not opened for the same device. This is what frequently happens with the old
ofdisk driver. With some devices when they are opened multiple times it causes
the entire system to hang.
Another problem solved with this driver is devices that do not have a device
alias can be booted and used within GRUB. Within the old ofdisk, this was not
possible, unless it was the original boot device. All devices behind a SAS
or SCSI parent can be found. Within the old ofdisk, finding these disks
relied on there being an alias defined. The alias requirement is not
necessary with this new driver. It can also find devices behind a parent
after they have been hot-plugged. This is something that is not possible
with the old ofdisk driver.
The old ofdisk driver also incorrectly assumes that the device pointing to by a
device alias is in its true canonical form. This assumption is never made with
this new driver.
Another issue solved with this driver is that it properly caches the ihandle
for all open devices. The old ofdisk tries to do this by caching the last
opened ihandle. However this does not work properly because the layer above
does not use a consistent device name for the same disk when calling into the
driver. This is because the upper layer uses the bootpath value returned within
/chosen, other times it uses the device alias, and other times it uses the
value within grub.cfg. It does not have a way to figure out that these devices
are the same disk. This is not a problem with this new driver.
Due to the way GRUB repeatedly opens and closes the same disk. Caching the
ihandle is important on SPARC. Without caching, some SAS devices can take
15 - 20 minutes to get to the GRUB menu. This ihandle caching is not possible
without correctly having the canonical disk name.
When available, this driver also tries to use the deblocker #blocks and
a way of determining the disk size.
Finally and probably most importantly, this new driver is also capable of
seeing all partitions on a GPT disk. With the old driver, the GPT
partition table can not be read and only the first partition on the disk
can be seen.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-12 Paul Menzel <[email protected]>
Makefile: Allow to set file systems modules for default_payload.elf
By default all file system modules are added to the GRUB coreboot
payload `default_payload.elf`. This makes the image quite big,
especially as often not all modules are needed.
Introduce the variable `FS_PAYLOAD_MODULES`, which can be used to
explicitly set file systems modules to be added.
$ make default_payload.elf
test -f default_payload.elf && rm default_payload.elf || true
pkgdatadir=. ./grub-mkstandalone --grub-mkimage=./grub-mkimage -O i386-coreboot -o default_payload.elf --modules='ahci pata ehci uhci ohci usb_keyboard usbms part_msdos ext2 fat at_keyboard part_gpt usbserial_usbdebug cbfs' --install-modules='ls linux search configfile normal cbtime cbls memrw iorw minicmd lsmmap lspci halt reboot hexdump pcidump regexp setpci lsacpi chain test serial multiboot cbmemc linux16 gzio echo help syslinuxcfg xnu affs afs bfs btrfs cbfs cpio cpio_be exfat ext2 f2fs fat hfs hfsplus iso9660 jfs minix minix2 minix2_be minix3 minix3_be minix_be newc nilfs2 ntfs odc procfs reiserfs romfs sfs squash4 tar udf ufs1 ufs1_be ufs2 xfs zfs password_pbkdf2 ' --fonts= --themes= --locales= -d grub-core/ /boot/grub/grub.cfg=./coreboot.cfg
$ ls -l default_payload.elf
-rw-rw---- 1 joey joey 1199568 Mar 6 13:58 default_payload.elf
$ make default_payload.elf FS_PAYLOAD_MODULES="" # ext2 already in `--modules`
test -f default_payload.elf && rm default_payload.elf || true
pkgdatadir=. ./grub-mkstandalone --grub-mkimage=./grub-mkimage -O i386-coreboot -o default_payload.elf --modules='ahci pata ehci uhci ohci usb_keyboard usbms part_msdos ext2 fat at_keyboard part_gpt usbserial_usbdebug cbfs' --install-modules='ls linux search configfile normal cbtime cbls memrw iorw minicmd lsmmap lspci halt reboot hexdump pcidump regexp setpci lsacpi chain test serial multiboot cbmemc linux16 gzio echo help syslinuxcfg xnu password_pbkdf2 ' --fonts= --themes= --locales= -d grub-core/ /boot/grub/grub.cfg=./coreboot.cfg
$ ls -l default_payload.elf
-rw-rw---- 1 joey joey 832976 Mar 7 12:13 default_payload.elf
So, the resulting payload size is around 370 kB smaller. (Adding it to
the CBFS, it will be compressed, so the effective size difference will
be smaller.)
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-07 Vladimir Serbinenko <[email protected]>
windows/platform.c: Fix compilation errors
2019-03-05 Colin Watson <[email protected]>
gnulib: Upgrade Gnulib and switch to bootstrap tool
Upgrade Gnulib files to 20190105.
It's much easier to maintain GRUB's use of portability support files
from Gnulib when the process is automatic and driven by a single
configuration file, rather than by maintainers occasionally running
gnulib-tool and committing the result. Removing these
automatically-copied files from revision control also removes the
temptation to hack the output in ways that are difficult for future
maintainers to follow. Gnulib includes a "bootstrap" program which is
designed for this.
The canonical way to bootstrap GRUB from revision control is now
"./bootstrap", but "./autogen.sh" is still useful if you just want to
generate the GRUB-specific parts of the build system.
GRUB now requires Autoconf >= 2.63 and Automake >= 1.11, in line with
Gnulib.
Gnulib source code is now placed in grub-core/lib/gnulib/ (which should
not be edited directly), and GRUB's patches are in
grub-core/lib/gnulib-patches/. I've added a few notes to the developer
manual on how to maintain this.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-05 Colin Watson <[email protected]>
syslinux: Fix syslinux_test in out-of-tree builds
syslinux_parse simplifies some filenames by removing things like ".."
segments, but the tests assumed that @abs_top_srcdir@ would be
untouched, which is not true in the case of out-of-tree builds where
@abs_top_srcdir@ may contain ".." segments.
Performing the substitution requires some awkwardness in Makefile.am due
to details of how config.status works.
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-05 Colin Watson <[email protected]>
util: Detect more I/O errors
Many of GRUB's utilities don't check anywhere near all the possible
write errors. For example, if grub-install runs out of space when
copying a file, it won't notice. There were missing checks for the
return values of write, fflush, fsync, and close (or the equivalents on
other OSes), all of which must be checked.
I tried to be consistent with the existing logging practices of the
various hostdisk implementations, but they weren't entirely consistent
to start with so I used my judgement. The result at least looks
reasonable on GNU/Linux when I provoke a write error:
Installing for x86_64-efi platform.
grub-install: error: cannot copy `/usr/lib/grub/x86_64-efi-signed/grubx64.efi.signed' to `/boot/efi/EFI/debian/grubx64.efi': No space left on device.
There are more missing checks in other utilities, but this should fix
the most critical ones.
Fixes Debian bug #922741.
Reviewed-by: Steve McIntyre <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]>
2019-03-05 James Clarke <[email protected]>
osdep/freebsd: Fix partition calculation for EBR entries
For EBR partitions, "start" is the relative starting sector of the EBR
header itself, whereas "offset" is the relative starting byte of the
partition's contents, excluding the EBR header and any padding. Thus we
must use "offset", and divide by the sector size to convert to sectors.
Fixes Debian bug #923253.
Reviewed-by: Colin Watson <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]>
2019-02-26 Steve McIntyre <[email protected]>
grub-install: Check for arm-efi as a default target
Much like on x86, we can work out if the system is running on top of EFI
firmware. If so, return "arm-efi". If not, fall back to "arm-uboot" as
previously.
Split out the code to (maybe) load the efivar module and check for
/sys/firmware/efi into a common helper routine is_efi_system().
Reviewed-by: Leif Lindholm <[email protected]>
Reviewed-by: Daniel Kiper <[email protected]>
2019-02-26 Daniel Kiper <[email protected]>
Revert "grub-install: Check for arm-efi as a default target"
This reverts commit 082fd84d525f8d6602f892160b77c0a948308a78.
Incorrect version of the patch was pushed into the git repo.
Reported-by: Leif Lindholm <[email protected]>
2019-02-25 Alexander Graf <[email protected]>