Commit Graph

17 Commits

Author SHA1 Message Date
Soby Mathew 81bccbfff2 Fix stdlib defines for AArch32
Some of the macro defines in the header files of `include/lib/stdlib/machine/`
folder are not correct for AArch32. This patch fixes the same.

Change-Id: I8bfaf638a7986fd902648d2074537bd26c313cb3
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
2017-06-09 14:47:52 +01:00
Haojian Zhuang e6a993d427 stdlib: support AARCH32 in endian head file
Add the support of AARCH32 in endian head file. The code is also
imported from FreeBSD 11.0. It's based on commit in below.

commit 4e3a5b429989b4ff621682ff1462f801237bd551
Author: mmel <mmel@FreeBSD.org>
Date:   Tue Nov 10 12:02:41 2015 +0000

    ARM: Remove trailing whitespace from sys/arm/include
    No functional changes.

    Approved by:    kib (mentor)

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
2017-06-07 11:53:56 +08:00
Haojian Zhuang b15f31ac38 stdlib: import endian head file from freebsd
Import endian head files from FreeBSD 11.0. The link of FreeBSD source code
is https://github.com/freebsd/freebsd

Import machine/endian.h from sys/arm64/include/endian.h in FreeBSD.
commit d09ff72cef8e35dbf62f7363dcbf07b453f06243
Author: andrew <andrew@FreeBSD.org>
Date:   Mon Mar 23 11:54:56 2015 +0000

    Add the start of the arm64 machine headers. This is the subset needed to
    start getting userland libraries building.

    Reviewed by:        imp
    Sponsored by:       The FreeBSD Foundation

Import sys/endian.h from sys/sys/endian.h in FreeBSD.
commit 3c3fa2f5b0c7640373fcbcc3f667bf7794e8e609
Author: phk <phk@FreeBSD.org>
Date:   Thu May 20 06:16:13 2010 +0000

    Fix some way-past-brucification complaints from FlexeLint.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
2017-06-07 11:50:31 +08:00
Masahiro Yamada 2a6c1a8f9a fip: move headers shared between TF and fiptool to include/tools_share
Some header files need to be shared between TF and host programs.
For fiptool, two headers are copied to the tools/fiptool directory,
but it looks clumsy.

This commit introduces a new directory, include/tools_share, which
collects headers that should be shared between TF and host programs.

This will clarify the interface exposed to host tools.  We should
add new headers to this directory only when we really need to do so.

For clarification, I inserted a blank line between headers from the
include/ directory (#include <...>) and ones from a local directory
(#include "..." ).

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-05-23 23:58:47 +09:00
Antonio Nino Diaz 0da2fe7e29 Simplify assert() to reduce memory usage
The behaviour of assert() now depends on the value of the new optional
platform define `PLAT_LOG_LEVEL_ASSERT`. This defaults to `LOG_LEVEL` if
not defined by the platform.

- If `PLAT_LOG_LEVEL_ASSERT` >= `LOG_LEVEL_VERBOSE`, it prints the file
  name, line and asserted expression.
- If `PLAT_LOG_LEVEL_ASSERT` >= `LOG_LEVEL_INFO`, it prints the file
  name and line.
- If not, it doesn't print anything.

Note the old behaviour was to print the function name whereas now it
prints the file name. This reduces memory usage because the file name is
shared between all assert calls in a given file. Also, the default
behaviour in debug builds is to no longer print the asserted expression,
greatly reducing the string usage.

For FVP debug builds this change saves approximately:

              No TBBR    TBBR
        BL1    1.6 KB   2.2 KB
        BL2    1.7 KB   2.1 KB
        BL31   2.6 KB   3.3 KB

Change-Id: I2947569d593df0b25611dc3c7a6096f42155c115
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2017-05-16 09:58:08 +01:00
dp-arm 82cb2c1ad9 Use SPDX license identifiers
To make software license auditing simpler, use SPDX[0] license
identifiers instead of duplicating the license text in every file.

NOTE: Files that have been imported by FreeBSD have not been modified.

[0]: https://spdx.org/

Change-Id: I80a00e1f641b8cc075ca5a95b10607ed9ed8761a
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
2017-05-03 09:39:28 +01:00
davidcunado-arm c99a16fee5 Merge pull request #901 from vwadekar/freebsd-stdbool-header
lib: stdbool header from the FreeBSD project
2017-04-25 17:56:23 +01:00
Varun Wadekar 230f0d9218 lib: stdbool header from the FreeBSD project
This patch pulls the stdbool.h header file from the FreeBSD
project. The platforms require this header to fix many MISRA
defects among other things.

Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2017-04-19 11:57:08 -07:00
Antonio Nino Diaz cc8b56322b Add `ENABLE_ASSERTIONS` build option
Add the new build option `ENABLE_ASSERTIONS` that controls whether or
not assert functions are compiled out. It defaults to 1 for debug builds
and to 0 for release builds.

Additionally, a following patch will be done to allow this build option
to hide auxiliary code used for the checks done in an `assert()`. This
code is is currently under the DEBUG build flag.

Assert messages are now only printed if LOG_LEVEL >= LOG_LEVEL_INFO,
which is the default for debug builds.

This patch also updates the User Guide.

Change-Id: I1401530b56bab25561bb0f274529f1d12c5263bc
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2017-04-19 16:00:53 +01:00
Varun Wadekar 7eec50928c stdlib: add memcpy16() to string.h
This patch exports memcpy16() for platforms, as an option to
memcpy().

Change-Id: I5d4e1cfb4608ec3674224b1447fdd740de549b1f
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2017-02-28 08:50:01 -08:00
Antonio Nino Diaz aa050a7bdb stdlib: Import timingsafe_bcmp() from FreeBSD
Some side-channel attacks involve an attacker inferring something from
the time taken for a memory compare operation to complete, for example
when comparing hashes during image authentication. To mitigate this,
timingsafe_bcmp() must be used for such operations instead of the
standard memcmp().

This function executes in constant time and so doesn't leak any timing
information to the caller.

Change-Id: I470a723dc3626a0ee6d5e3f7fd48d0a57b8aa5fd
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2017-01-24 14:42:12 +00:00
Sandrine Bailleux d67879d311 Add strnlen() to local C library
This code has been imported and slightly adapted from FreeBSD:
6253393ad8/lib/libc/string/strnlen.c

Change-Id: Ie5ef5f92e6e904adb88f8628077fdf1d27470eb3
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
2017-01-24 10:28:41 +00:00
dp-arm fcab6bbe39 fiptool: Add support for operating on binary blobs using the UUID
Previously, fiptool only understood a fixed set of images as
specified in tbbr_config.c.  It preserved unknown images during
the update, unpack and remove operations but it was not possible to
explicitly refer to one of those unknown images.

Add a new --blob option to create/update/unpack/remove images that
are not known at compile time.  This is accomplished by specifying
the UUID and filename pair as shown below:

$ ./fiptool create --blob uuid=01234567-89ab-cdef-0123-456789abcdef,file=foo.bin fip.bin
$ ./fiptool info fip.bin
01234567-89ab-cdef-0123-456789abcdef: offset=0x60, size=0x1AA68

Fixes ARM-software/tf-issues#420

Change-Id: Iaac2504b9a4252289c09e73d29645cbe240f3a82
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
2016-12-30 09:23:38 +00:00
dp-arm 9e23f9abf5 Remove non-standard <sys/cdefs.h> include from uuid.h
This include provides nothing useful for TF and prevents building
the fiptool using musl libc[0].

[0] https://www.musl-libc.org/

Change-Id: Ied35e16b9ea2b40213433f2a8185dddc59077884
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
2016-10-12 15:37:37 +01:00
Soby Mathew 031dbb1224 AArch32: Add essential Arch helpers
This patch adds the essential AArch32 architecture helpers
arch.h and arch_helpers.h and modifies `_types.h` to add AArch32
support.

A new build option `ARCH` is defined in the top level makefile to
enable the component makefiles to choose the right files based on the
Architecture it is being build for. Depending on this flag, either
`AARCH32` or `AARCH64` flag is defined by the Makefile. The default
value of `ARCH` flag is `aarch64`. The AArch32 build support will be
added in a later patch.

Change-Id: I405e5fac02db828a55cd25989b572b64cb005241
2016-08-10 12:34:50 +01:00
Soby Mathew 4c0d039076 Rework type usage in Trusted Firmware
This patch reworks type usage in generic code, drivers and ARM platform files
to make it more portable. The major changes done with respect to
type usage are as listed below:

* Use uintptr_t for storing address instead of uint64_t or unsigned long.
* Review usage of unsigned long as it can no longer be assumed to be 64 bit.
* Use u_register_t for register values whose width varies depending on
  whether AArch64 or AArch32.
* Use generic C types where-ever possible.

In addition to the above changes, this patch also modifies format specifiers
in print invocations so that they are AArch64/AArch32 agnostic. Only files
related to upcoming feature development have been reworked.

Change-Id: I9f8c78347c5a52ba7027ff389791f1dad63ee5f8
2016-07-18 17:52:15 +01:00
Dan Handley f0b489c1d2 Move stdlib header files to include/lib/stdlib
* Move stdlib header files from include/stdlib to include/lib/stdlib for
  consistency with other library headers.
* Fix checkpatch paths to continue excluding stdlib files.
* Create stdlib.mk to define the stdlib source files and include directories.
* Include stdlib.mk from the top level Makefile.
* Update stdlib header path in the fip_create Makefile.
* Update porting-guide.md with the new paths.

Change-Id: Ia92c2dc572e9efb54a783e306b5ceb2ce24d27fa
2016-06-03 14:20:48 +01:00