Commit Graph

93 Commits

Author SHA1 Message Date
Marc Hartmayer
a9b8caa411 genprotimg/sample/check_hostkeydoc: Fix documentation link
Move the script to 'genprotimg/samples/check_hostkeydoc' and create a
symlink at 'rust/pvimg/tools/check_hostkeydoc' in order to keep
compatibility with existing documentation. The problem with the original
fix was that the github.com website does not follow symbolic links.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2024-12-20 13:01:15 +01:00
Marc Hartmayer
79de37bbc8 genprotimg/samples/check_hostkeydoc: Create symlink to the new location
Create a symbolic link to the new location of the 'check_hostkeydoc'
script in order to keep compatibility with existing documentation.

Reported-by: Stephan Hartig <hartig@de.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2024-12-13 16:26:35 +01:00
Marc Hartmayer
195579cf0b Remove genprotimg-C and switch to genprotimg-Rust implementation
Removes the C implementation of genprotimg and use the Rust
implementation instead.

Adapt the README.md accordingly.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2024-12-05 15:44:09 +01:00
Steffen Eiden
75820cf62d Makefile: Do not quote install targets
Sync all install targets implementations. Some did quote the target
directories some don't. Remove all quotations. This fixes wrong install
locations of install paths that have a '~'. With quotes '~' is
interpreted literally instead of using the home dir.

Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2024-11-22 17:19:57 +01:00
Frank Heimes
6fc450f696 (genprotimg|zipl)/boot: discard .note.package ELF section to save memory
The .note.package [1] section is not used by the zipl/genprotimg bootloaders,
therefore discard them via linker script.

This fix solves the error:
 /usr/bin/ld: Heap section doesn't conform to the described memory layout
 collect2: error: ld returned 1 exit status
 make[4]: *** [Makefile:77: stage3a.elf] Error 1
 make[4]: Leaving directory '/<>/genprotimg/boot'
 make[3]: *** [Makefile:20: all-recursive] Error 1
 make[3]: Leaving directory '/<>/genprotimg'
 make[2]: *** [Makefile:56: genprotimg] Error 2

[1] https://systemd.io/ELF_PACKAGE_METADATA/

Fixes: https://github.com/ibm-s390-linux/s390-tools/issues/174
Closes: https://github.com/ibm-s390-linux/s390-tools/pull/176
[seiden@linux.ibm.com: Add/edit fixes tags]
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Frank Heimes <frank.heimes@canonical.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2024-09-13 19:14:16 +02:00
Dan Horák
f5744b95db genprotimg: Fix build with OpenSSL 1.1
OpenSSL 1.1 seems to use a non-const parameter to X509_name_dup(), but
x509_armonk_locality_fixup() is passing a const there. The compile then
fails on "discards 'const' qualifier", when -Werror is used. Thus
resolve with a type-cast like in c2b_name().

Fixes: https://github.com/ibm-s390-linux/s390-tools/pull/167
Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Dan Horák <dan@danny.cz>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2024-04-02 17:37:53 +02:00
Marc Hartmayer
bc9f8a8100 genprotimg: Fix out-of-disk space handling
Convert the assertion to a GError since an out-of-disk-space situation
is a valid situation that should be handled.

ERROR:utils/crypto.c:1843:__encrypt_decrypt_bio: assertion failed: (num_bytes_written == out_len)
Bail out! ERROR:utils/crypto.c:1843:__encrypt_decrypt_bio: assertion failed: (num_bytes_written == out_len)

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2024-04-02 17:37:53 +02:00
Marc Hartmayer
8751cfc409 genprotimg/samples/check_hostkeydoc: code formatting
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2024-03-22 12:07:29 +01:00
Marc Hartmayer
01f96d30f6 genprotimg/samples/check_hostkeydoc: fix ShellCheck findings
Fix ShellCheck findings and two typos. White spaces in filenames are now
supported properly.

Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2024-03-22 12:07:29 +01:00
Marc Hartmayer
fffbd93f12 genprotimg/samples/check_hostkeydoc: improve argument parsing
+ use `getopts` POSIX builtin instead of external program
+ improve error reporting
+ support white spaces in the script name

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2024-03-22 12:07:29 +01:00
Marc Hartmayer
ddcfbdc8d2 genprotimg/samples/check_hostkeydoc: support Armonk in IBM signing key subject
Newer IBM signing keys use `Armonk` in their subject therefore add
support for it.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2024-03-22 12:07:29 +01:00
Marc Hartmayer
173fd7cdca genprotimg/samples/check_hostkeydoc: set LC_ALL=C for the sort command
Set `LC_ALL=C` for the `sort` command to get a stable sort order. See
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/sort.html for
details on the effect of LC_* on `sort`. Adapt the default issuer
accordingly.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2024-03-22 12:07:29 +01:00
Marc Hartmayer
d14e7593cc genprotimg: support Armonk in IBM signing key subject
New IBM signing certificates will have 'Armonk' as locality in the
subject. Make sure that certificate revocations lists (CRL) with
'Poughkeepsie' as issuer locality are still considered as valid as long
as they are signed with the IBM signing keys private key. In addition,
drop the check for 'issuer(HKD) == subject(HKSK)' as it doesn't improve
security. While at it, remove now unused functions and fix a memory leak
of @akid in `check_crl_issuer`.

Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2024-03-22 12:07:29 +01:00
Marc Hartmayer
0748d365a6 genprotimg/**/Makefile: Fix staged installs
Fix the support for staged installs. The Makefile variable `PKGDATADIR`
uses `DESTDIR` for all Makefile target, but actually it should only be
used for the `install*` and `uninstall*` targets. [1] Fix this by using
`DESTDIR` only for `install*` targets - uninstall* targets are not
supported by s390-tools.

Before this change, if `DESTDIR` was set for staged installs,
`genprotimg` has tried to find the bootloader binaries at the temporary
installation path `$DESTDIR$(TOOLS_DATADIR)/genprotimg/` instead of
`$(TOOLS_DATADIR)/genprotimg`.

[1] https://www.gnu.org/prep/standards/html_node/DESTDIR.html

Fixes: 65b9fc442c ("genprotimg: introduce new tool for the creation of PV images")
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2024-03-15 15:11:38 +01:00
Jan Höppner
9e7a8f48e8 common.mak: Set default C/C++ standard to gnu11/gnu++11
s390-tools doesn't define a common C/C++ standard at the moment.
Set the standard to gnu11/gnu++11, which is also used by the Kernel, and
establish a common baseline for all tools.

The -std flag is added to ALL_CFLAGS and ALL_CXXFLAGS to avoid losing it
in case CFLAGS are set by an outside entity.
It is also added to CLAGS_FOR_BUILD for this one special cross build
case.

The -std flag is removed from all tools that set it manually until now.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2024-02-02 16:11:22 +01:00
Marc Hartmayer
041e6131d1 genprotimg/boot: stage3b: check cmdline for null-termination
Add a check to the stage3b that the kernel cmdline is always
null-terminated. While at it, ensure the coding style is consistent.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2023-12-01 10:24:48 +01:00
Marc Hartmayer
5a7d7e05b8 genprotimg: make sure the kernel command line is always null-terminated
Make sure that the kernel command line used for the Secure Execution
boot image is always null-terminated. Before this change, users had to
ensure that the provided kernel cmdline was null-terminated, which was
error-prone. But since the default s390x Linux kernel command line is
set to `root=/dev/ram0 ro` the remaining reserved memory for the kernel
command line is zeroed out. Therefore, the problem only shows up if the
used kernel command line is shorter than the default kernel command
line.

Fixes: 65b9fc442c ("genprotimg: introduce new tool for the creation of PV images")
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2023-12-01 10:24:48 +01:00
Marc Hartmayer
b301381f90 (genprotimg|zipl)/boot: remove executable bit
The bootloader binaries cannot be executed via `exec()` therefore remove
the executable bit.

Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-09-27 18:29:06 +02:00
Marc Hartmayer
b7c9c2679e genprotimg: add support for add-secret requests
IBM Secure Execution guests may want to share additional secrets with
the Ultravisor in a secure manner. For this the concept of secret
requests and three new Ultravisor-calls were introduced.

Add support to genprotimg to prepare an Secure Execution image with the
requirement that add-secret requests must provide an extension secret
that matches the customer communication key (CCK) derived extension
secret.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-08-02 14:48:12 +02:00
Marc Hartmayer
bc8a14895a genprotimg: improve the --comm-key description
In the future, this key will be used for additional things than the
guest dump encryption.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-08-02 14:48:12 +02:00
Marc Hartmayer
4ae68d0430 genprotimg: add NAME macro parameter
In preparation for the next patch, add the parameter `NAME` to the
`MUT_EXCL_BOOL_FLAG` macro. This is useful for the case when the command
line flag has a different naming than the struct field.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-08-02 14:48:12 +02:00
Marc Hartmayer
aabf97f885 genprotimg: refactor arguments related to the control flags into own struct
Refactor arguments related to the SE header control flags into own
struct with the name `PvControlFlagsArgs`. This change makes it easier
to extend the control flags arguments further, without touching the
signature of `pv_img_set_control_flags`. While at it, rename the struct
members `allow_...` to `enable_...`. This matches with the command line
option names.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-08-02 14:48:12 +02:00
Marc Hartmayer
a9b546cb0f genprotimg: pv_img_set_control_flags: refactor code
Introduce a function for setting the control flags. This makes it easier
to add more control flags in the future.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-08-02 14:48:12 +02:00
Marc Hartmayer
5566c31458 genprotimg: help|manpage: remove superfluous optional
A default is always optional, therefore let's remove the superfluous
"optional" statements.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-08-02 14:48:12 +02:00
Marc Hartmayer
ff96d6158e genprotimg/boot: avoid the deletion of .lds files by using .SECONDARY
Avoid the deletion of the intermediate
`(stage3a|stage3b|stage3b_reloc).lds` files by adding them to the
special built-in target `.SECONDARY` as prerequisites. This way they're
declared as intermediate files that should never be deleted
automatically. [1]

[1] https://www.gnu.org/software/make/manual/html_node/Special-Targets.html#index-preserving-with-_002eSECONDARY

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-08-02 14:48:12 +02:00
Marc Hartmayer
2aa9071aed genprotimg: help: add missing period
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-08-02 14:48:12 +02:00
Marc Hartmayer
adf2a030e6 genprotimg: fix error message
The option name is `--enable-dump` and not `--allow-dump`.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-08-02 14:48:12 +02:00
Marc Hartmayer
faac2520c9 genprotimg|zipl: build debuginfo files
Currently, the debug information of the bootloader is discarded during
the raw binary creation. Change this by creating separate
<loader>.bin.debug files containing the debug information. The packager
will then be able to package these files as desired and the developer
can use them to debug the code.

Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-08-02 14:48:12 +02:00
Marc Hartmayer
4d4ddbd887 Recursive Makefiles: avoid race condition in the install target
The `install` Makefile target of the top Makefile has `all` and
`install-recursive` as prerequisites. This leads to the two recursive
Makefile calls `make -C <SUBDIR> all` and `make -C <SUBDIR> install`.

The problem is these two targets try to build the same object files and
this leads to a race condition between these two targets in case of a
parallel build.

Fix this problem by removing the `all` prerequisite from the `install`
target, as it is not needed since all the `install` targets in the
sub-Makefiles already have proper prerequisites.

Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-07-20 21:45:27 +02:00
Mikhail Zaslonko
d205b47c08 zipl/boot: Conditionally clear memory upon reipl at ccw dump end
- Instead of always clearing the memory on reipl after the ccw dump has
  been taken, check for the special OS_INFO_FLAG_REIPL_CLEAR flag in
  os_info flags entry (indicates if sysfs 'clear' attribute has been set
  on the panicked system) and trigger diag308 with a proper subcode.
- Get rid of superfluous ipib_info structure in stage2dump.c.
- Collect ipl_pbt constants in boot/ipl.h header.

Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com>
Acked-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-07-20 21:45:27 +02:00
Mikhail Zaslonko
eb06ebe245 include/boot: Move zipl/boot/error.h to include/boot
- Move zipl/boot/error.h to include/boot
- Adjust include statements in zipb/boot and genprotimg/boot
- Remove error.h from tunedasd/src/tunedasd.c as not needed
- Fix tunedasd/src/Makefile

Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-07-20 21:45:27 +02:00
Marc Hartmayer
ed94cf9839 genprotimg/boot: compile the bootloaders only if HOST_ARCH is s390x
The genprotimg bootloaders are s390x specific, so only build them if the
`HOST_ARCH' is set to s390x.

On x86 one can cross-compile and install the bootloaders as follows:

$ make -C genprotimg/boot HOST_ARCH=s390x CROSS_COMPILE=s390x-linux-gnu-
$ make -C genprotimg/boot install HOST_ARCH=s390x CROSS_COMPILE=s390x-linux-gnu-

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2023-07-11 08:22:04 +02:00
Marc Hartmayer
2fec7688b0 genprotimg: move bootloader installation responsibility to boot/Makefile
It's cleaner if the bootloader installation code is located in the
boot/Makefile, rather than the top Makefile.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2023-07-11 08:22:04 +02:00
Steffen Eiden
8058921f58 Reorganize boot-loader header files
include/boot/s390.h relies on s390 specific kernel headers. However,
some tools used this header for non-s390 code (outside of boot-loaders).
To solve this the PSW and PAGE_SIZE definitions are now in separate
header files. All includes for s390.h which are not in boot-loader code
are replaced with one of psw.h or page.h.

This fixes the compilation failure on ppc64le due to conflicting types
for `__vector128`.

Fixes: https://github.com/ibm-s390-linux/s390-tools/issues/151
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2023-07-11 08:21:48 +02:00
Marc Hartmayer
de88b1c71b common.mak: introduce PKG_CONFIG
Introduce `PKG_CONFIG` Makefile variable. This helps for
cross-compilation.

Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2023-05-30 13:31:51 +02:00
Marc Hartmayer
4bba1058c6 Declare pkg-config as required
`pkg-config` is a well established tool and all of our required
libraries do provide .pc files. Therefore let's declare `pkg-config` as
required and use it. In addition, remove now useless code.

Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
2023-05-30 13:31:20 +02:00
Steffen Eiden
d3a3b26d16 Make -Werror optional
Enforcing `-Werror` can cause problems when compiling with newer
compilers that have additional warnings on by default.

By default `-Werror` is turned off and can be turned on via
`ENABLE_WERROR=1`.

Fixes: https://github.com/ibm-s390-linux/s390-tools/issues/148
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-03-03 09:53:46 +01:00
Marc Hartmayer
ca25f71a6e genprotimg/boot: stage3b_reloc.bin: add linker script
Use a linker script instead of a linker flags for the layout. While at
it, use common naming `_start` for entry. This change allows us to
simplify the Makefile by using the linker option `-T` for all
bootloaders.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-02-13 22:18:49 +01:00
Marc Hartmayer
67790d3787 genprotimg/boot: stage3b: add size check to the linker script
The stage3b loader memory layout must not be larger than 0x10000 bytes.
Let's check this in the linker script.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-02-13 22:18:49 +01:00
Marc Hartmayer
d301668811 genprotimg/boot: improve linker scripts
+ the input section names `.text.init` and `.text.start` aren't
   ambiguous, therefore there is no reason so specify a file name
 + discard `.interp` section since no loader is used

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-02-13 22:18:49 +01:00
Marc Hartmayer
6097ee3f9d genprotimg/boot: Makefile: simplify objcopy command
Instead of maintaining an include list, use an exclude list (if
neccessary). This simplifies the `objcopy` calls a lot, and it's
possible because `objcopy -O binary` only includes the memory dump of
the contents of the input object file. [1] This means that sections like
for debug information that do not occupy memory during the process
execution are discarded by design. [2]

In addition, if we do not want a particular ELF section, we can list it
in the discard section of the linker script.

[1] https://man7.org/linux/man-pages/man1/objcopy.1.html
[2] https://man7.org/linux/man-pages/man5/elf.5.html

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-02-13 22:18:49 +01:00
Marc Hartmayer
43967feb2c genprotimg/boot: disable build-id
Disable the build-id since it was never used. Adapt the linker scripts
accordingly.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-02-13 22:18:49 +01:00
Marc Hartmayer
8f4535f5eb genprotimg/boot: use --no-warn-rwx-segments linker flag
This disables the following warning `ld: warning: stag3a.elf has a LOAD
segment with RWX permissions` for newer linker. This changes nothing in
functionality for the bootloaders, since only the binaries and not the
ELF files are actually used.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-02-13 22:18:49 +01:00
Marc Hartmayer
dfe8a4f803 genprotimg/boot: declare that no executable stack is required
Normally, `gcc` takes care of adding the `GNU_STACK` marking except for
assembly code. Therefore, let's add the marking manually. Discard the
`.note.GNU-stack` section in the linker script since it's just a
"message" from the compiler to the linker. This fixes the linker
warning:

ld: warning: entry.o: missing .note.GNU-stack section implies executable stack

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2023-02-13 22:18:49 +01:00
Marc Hartmayer
2ee1387f34 libpv/genprotimg/pvattest: use glib/gi18n.h
Replace `<glib/gi18n-lib.h>` with `<glib/gi18n.h>` since `<glib/gi18n-lib.h>` should only be used
for libraries (see https://docs.gtk.org/glib/i18n.html).

Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2022-11-03 17:45:38 +01:00
Steffen Eiden
8c2f6790fe genprotimg: sync man and help with pvattest
Syncronizes the description of shared options of genprotimg and pvattest

Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2022-08-16 18:28:21 +02:00
Marc Hartmayer
f42250ca9b genprotimg: Fix BIO_reset() returncode handling
The returncode handling for BIO_reset() was wrong when handling with
file based BIOs.

This resulted in a bug that DER formated certificates cannot be read
by genprotimg which is now fixed.

Fixes: d90344a2 (genprotimg: check return value of BIO_reset)
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2022-08-16 18:23:13 +02:00
Jan Höppner
7bc15537c8 genprotimg: Move man page to section 1 for user commands
genprotimg is a user command and as such installed into /usr/bin. Adapt
the man page accordingly and move it from section 8 (system commnds) to
section 1 (user commands).

Reported-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2022-06-03 18:40:36 +02:00
Marc Hartmayer
5ac171d224 genprotimg/zipl: boot: Makefile: small refactoring
Move the common `-nostdlib` and `$(NO_PIE_LINKFLAGS) linker options to
the actual linker call. This makes the code easier to maintain.

Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2022-06-03 18:40:36 +02:00
Marc Hartmayer
67dbf094b2 genprotimg/zipl: boot: Makefile: do not link against shared libraries
It's pretty obvious that we don't want to link against shared libraries
therefore use `-static` for linking.

`ld` call before this change:

  /usr/bin/ld -v -plugin /usr/lib/gcc/s390x-linux-gnu/9/liblto_plugin.so -plugin-opt=/usr/lib/gcc/s390x-linux-gnu/9/lto-wrapper -plugin-opt=-fresolution=/tmp/ccLfGZu4.res --build-id --eh-frame-hdr -m elf64_s390 --hash-style=gnu --as-needed -dynamic-linker /lib/ld64.so.1 -z relro -o stage3.exec -L/usr/lib/gcc/s390x-linux-gnu/9 -L/usr/lib/gcc/s390x-linux-gnu/9/../../../../s390x-linux-gnu/lib/../lib -L/usr/lib/gcc/s390x-linux-gnu/9/../../../s390x-linux-gnu -L/usr/lib/gcc/s390x-linux-gnu/9/../../../../lib -L/lib/s390x-linux-gnu -L/lib/../lib -L/usr/lib/s390x-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/s390x-linux-gnu/9/../../../../s390x-linux-gnu/lib -L/usr/lib/gcc/s390x-linux-gnu/9/../../.. -T stage3.lds stage3.o head.o kdump3.o libc.o ebcdic.o ebcdic_conv.o sclp.o sclp_stage3.o kdump.o entry.o

`ld` call after this change:

  /usr/bin/ld -v -plugin /usr/lib/gcc/s390x-linux-gnu/9/liblto_plugin.so -plugin-opt=/usr/lib/gcc/s390x-linux-gnu/9/lto-wrapper -plugin-opt=-fresolution=/tmp/ccw0ELAp.res --build-id -m elf64_s390 --hash-style=gnu --as-needed -static -z relro -o stage3.exec -L/usr/lib/gcc/s390x-linux-gnu/9 -L/usr/lib/gcc/s390x-linux-gnu/9/../../../../s390x-linux-gnu/lib/../lib -L/usr/lib/gcc/s390x-linux-gnu/9/../../../s390x-linux-gnu -L/usr/lib/gcc/s390x-linux-gnu/9/../../../../lib -L/lib/s390x-linux-gnu -L/lib/../lib -L/usr/lib/s390x-linux-gnu -L/usr/lib/../lib -L/usr/lib/gcc/s390x-linux-gnu/9/../../../../s390x-linux-gnu/lib -L/usr/lib/gcc/s390x-linux-gnu/9/../../.. -T stage3.lds stage3.o head.o kdump3.o libc.o ebcdic.o ebcdic_conv.o sclp.o sclp_stage3.o kdump.o entry.o

Fixes: b627b8d8e1 ("Initial s390-tools-2.0.0 import")
Fixes: 3356d6f4fa ("genprotimg: boot: initial bootloader support")
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2022-06-03 18:40:36 +02:00