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We actually have the short SHA1 of the HEAD commit already in the
output, so there is no need for that extra bloated code to insert
it into the binary. Remove it.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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After the actual build process the Makefile copied the resulting
binary into Allwinner's build tree (for deployment).
Remove this copy to allow build outside of Allwinner's build
environment.
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Allwinner removed "-pedantic" from the list of CFLAGS to get away
with some conditional debug macros using a GNU extension.
Fix those macros to use a standard compliant syntax and re-enable
-pedantic.
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Newer versions of binutils' ld recognize a errata fix option to
avoid issues with a certain ARM Cortex-A53 errata.
Since this option is widely available yet, comment it for now to
allow build with older toolchains.
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Apparently for convenience reasons the Makefile was changed by
Allwinner to:
* build the sun50iw1p1 target by default
* hardcode the cross compiler from Allwinner's toolchain
* enable debug build by default
Revert those changes to bring the build system back into a sane state.
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The Pine64 Wiki[1] links to a BSP tarball, among other things
containing a dump of an ARM Trusted Firmware source tree with
Allwinner changes on top.
Since the tarball does not contain any version history information
about the changes, this commit is just the diff between the ATF 1.0
release and the files from the Allwinner provided tarball.
The executable flag from many source has been removed.
[1] http://wiki.pine64.org/index.php/Pine_A64_Software_Release#Linux_BSP_Related
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Final updates to readme.md and change-log.md for ARM Trusted
Firmware version 1.0. Also increment the version in the Makefile.
Change-Id: I00fe1016c8b936834bbf7bbba7aab07f51261bbb
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This patch adds workarounds for selected errata which affect the Cortex-A57 r0p0
part. Each workaround has a build time flag which should be used by the platform
port to enable or disable the corresponding workaround. The workarounds are
disabled by default. An assertion is raised if the platform enables a workaround
which does not match the CPU revision at runtime.
Change-Id: I9ae96b01c6ff733d04dc733bd4e67dbf77b29fb0
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This patch adds CPU core and cluster power down sequences to the CPU specific
operations framework introduced in a earlier patch. Cortex-A53, Cortex-A57 and
generic AEM sequences have been added. The latter is suitable for the
Foundation and Base AEM FVPs. A pointer to each CPU's operations structure is
saved in the per-cpu data so that it can be easily accessed during power down
seqeunces.
An optional platform API has been introduced to allow a platform to disable the
Accelerator Coherency Port (ACP) during a cluster power down sequence. The weak
definition of this function (plat_disable_acp()) does not take any action. It
should be overriden with a strong definition if the ACP is present on a
platform.
Change-Id: I8d09bd40d2f528a28d2d3f19b77101178778685d
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* Move TSP platform porting functions to new file:
include/bl32/tsp/platform_tsp.h.
* Create new TSP_IRQ_SEC_PHY_TIMER definition for use by the generic
TSP interrupt handling code, instead of depending on the FVP
specific definition IRQ_SEC_PHY_TIMER.
* Rename TSP platform porting functions from bl32_* to tsp_*, and
definitions from BL32_* to TSP_*.
* Update generic TSP code to use new platform porting function names
and definitions.
* Update FVP port accordingly and move all TSP source files to:
plat/fvp/tsp/.
* Update porting guide with above changes.
Note: THIS CHANGE REQUIRES ALL PLATFORM PORTS OF THE TSP TO
BE UPDATED
Fixes ARM-software/tf-issues#167
Change-Id: Ic0ff8caf72aebb378d378193d2f017599fc6b78f
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Move the remaining IO storage source file (io_storage.c) from the
lib to the drivers directory. This requires that platform ports
explicitly add this file to the list of source files.
Also move the IO header files to a new sub-directory, include/io.
Change-Id: I862b1252a796b3bcac0d93e50b11e7fb2ded93d6
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Add concept of console output log levels
Rationalize console log output
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Create new LOG_LEVEL build option, which controls the amount of
console output compiled into the build. This should be one of the
following:
0 (LOG_LEVEL_NONE)
10 (LOG_LEVEL_NOTICE)
20 (LOG_LEVEL_ERROR)
30 (LOG_LEVEL_WARNING)
40 (LOG_LEVEL_INFO)
50 (LOG_LEVEL_VERBOSE)
All log output up to and including the log level is compiled into the
build. The default value is 40 in debug builds and 20 in release
builds.
Complement the existing INFO, WARN and ERROR console output macros
with NOTICE and VERBOSE macros, which are conditionally compiled in
depending on the value of LOG_LEVEL.
Fixes ARM-software/tf-issues#232
Change-Id: I951e2f333e7b90fc4b1060741d9a6db699d5aa72
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This patch defines a compile time macro for each boot loader stage
which allows compilation of code only for a specific stage.
Change-Id: I3a4068404cd3dc26d652556ca9ca7afea8dd28ef
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This patch reworks the crash reporting mechanism to further
optimise the stack and code size. The reporting makes use
of assembly console functions to avoid calling C Runtime
to report the CPU state. The crash buffer requirement is
reduced to 64 bytes with this implementation. The crash
buffer is now part of per-cpu data which makes retrieving
the crash buffer trivial.
Also now panic() will use crash reporting if
invoked from BL3-1.
Fixes ARM-software/tf-issues#199
Change-Id: I79d27a4524583d723483165dc40801f45e627da5
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The patch implements a macro ASM_ASSERT() which can
be invoked from assembly code. When assertion happens,
file name and line number of the check is written
to the crash console.
Fixes ARM-software/tf-issues#95
Change-Id: I6f905a068e1c0fa4f746d723f18df60daaa00a86
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Print out Trusted Firmware version at runtime at each BL stage.
Message consists of TF version as defined statically in the Makefile
(e.g. v0.4), build mode (debug|release) and a customizable build
string:
1. By defining BUILD_STRING in command line when building TF
2. Default string is git commit ID
3. Empty if git meta-data is not available
Fixes ARM-software/tf-issues#203
Change-Id: I5c5ba438f66ab68810427d76b49c5b9177a957d6
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Define ARM_GIC_ARCH default value for all platforms
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This patch implements a "tf_printf" which supports only the commonly
used format specifiers in Trusted Firmware, which uses a lot less
stack space than the stdlib printf function.
Fixes ARM-software/tf-issues#116
Change-Id: I7dfa1944f4c1e634b3e2d571f49afe02d109a351
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The ARM_GIC_ARCH build option was supposed to default to 2 on all
platforms. However, the default value was set in the FVP makefile
so for all other platforms it wasn't even defined.
This patch moves the default value to the main Makefile. The platform
port can then override it if needed.
Change-Id: I8e2da1cce7ffa3ed18814bbdcbcf2578101f18a6
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Allow FP register context to be optional at build time
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- Add support for loading a BL3-0 image in BL2. Information about
memory extents is populated by platform-specific code. Subsequent
handling of BL3-0 is also platform specific.
The BL2 main function has been broken down to improve readability.
The BL3-2 image is now loaded before the BL3-3 image to align with
the boot flow.
- Build system: Add support for specifying a BL3-0 image that will be
included into the FIP image.
- IO FIP driver: Add support for identifying a BL3-0 image inside a
FIP image.
- Update the documentation to reflect the above changes.
Change-Id: I067c184afd52ccaa86569f13664757570c86fc48
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CTX_INCLUDE_FPREGS make variable allows us to include or exclude FP
registers from context structure, in case FP is not used by TSPD.
Fixes ARM-software/tf-issues#194
Change-Id: Iee41af382d691340c7ae21830ad1bbf95dad1f4b
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Remove all checkpatch errors from codebase
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Exclude stdlib files because they do not follow kernel code style.
Fixes ARM-software/tf-issues#73
Change-Id: I4cfafa38ab436f5ab22c277cb38f884346a267ab
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Add the '-Wmissing-include-dirs' flag to the CFLAGS and ASFLAGS
to make the build fail if the compiler or the assembler is given
a nonexistant directory in the list of directories to be searched
for header files.
Also remove 'include/bl1' and 'include/bl2' directories from the
search path for header files as they don't exist anymore.
Change-Id: I2475b78ba8b7b448b9d0afaa9ad975257f638b89
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Replace the current out-of-line assembler implementations of
the system register and system instruction operations with
inline assembler.
This enables better compiler optimisation and code generation
when accessing system registers.
Fixes ARM-software/tf-issues#91
Change-Id: I149af3a94e1e5e5140a3e44b9abfc37ba2324476
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Previously, platform.h contained many declarations and definitions
used for different purposes. This file has been split so that:
* Platform definitions used by common code that must be defined
by the platform are now in platform_def.h. The exact include
path is exported through $PLAT_INCLUDES in the platform makefile.
* Platform definitions specific to the FVP platform are now in
/plat/fvp/fvp_def.h.
* Platform API declarations specific to the FVP platform are now
in /plat/fvp/fvp_private.h.
* The remaining platform API declarations that must be ported by
each platform are still in platform.h but this file has been
moved to /include/plat/common since this can be shared by all
platforms.
Change-Id: Ieb3bb22fbab3ee8027413c6b39a783534aee474a
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This change adds optional reset vector support to BL3-1
which means BL3-1 entry point can detect cold/warm boot,
initialise primary cpu, set up cci and mail box.
When using BL3-1 as a reset vector it is assumed that
the BL3-1 platform code can determine the location of
the BL3-2 images, or load them as there are no parameters
that can be passed to BL3-1 at reset.
It also fixes the incorrect initialisation of mailbox
registers on the FVP platform
This feature can be enabled by building the code with
make variable RESET_TO_BL31 set as 1
Fixes ARM-software/TF-issues#133
Fixes ARM-software/TF-issues#20
Change-Id: I4e23939b1c518614b899f549f1e8d412538ee570
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At present, non-secure timer register contents are saved and restored as
part of world switch by BL3-1. This effectively means that the
non-secure timer stops, and non-secure timer interrupts are prevented
from asserting until BL3-1 switches back, introducing latency for
non-secure services. Often, secure world might depend on alternate
sources for secure interrupts (secure timer or platform timer) instead
of non-secure timers, in which case this save and restore is
unnecessary.
This patch introduces a boolean build-time configuration NS_TIMER_SWITCH
to choose whether or not to save and restore non-secure timer registers
upon world switch. The default choice is made not to save and restore
them.
Fixes ARM-software/tf-issues#148
Change-Id: I1b9d623606acb9797c3e0b02fb5ec7c0a414f37e
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At present, various build options are initialized at various places in
the Makefile. This patch gathers all build option declarations at the
top of the Makefile and assigns them default values.
Change-Id: I9f527bc8843bf69c00cb754dc60377bdb407a951
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This patch introduces two convenience functions to the build system:
- assert_boolean: asserts that a given option is assigned either 0 or
1 as values
- add_define: helps add/append macro definitions to build tool command
line. This also introduces the variable DEFINES which is used to
collect and pass all relevant configurations to build tools
Change-Id: I3126894b034470d39858ebb3bd183bda681c7126
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This patch implements the register reporting when unhandled exceptions are
taken in BL3-1. Unhandled exceptions will result in a dump of registers
to the console, before halting execution by that CPU. The Crash Stack,
previously called the Exception Stack, is used for this activity.
This stack is used to preserve the CPU context and runtime stack
contents for debugging and analysis.
This also introduces the per_cpu_ptr_cache, referenced by tpidr_el3,
to provide easy access to some of BL3-1 per-cpu data structures.
Initially, this is used to provide a pointer to the Crash stack.
panic() now prints the the error file and line number in Debug mode
and prints the PC value in release mode.
The Exception Stack is renamed to Crash Stack with this patch.
The original intention of exception stack is no longer valid
since we intend to support several valid exceptions like IRQ
and FIQ in the trusted firmware context. This stack is now
utilized for dumping and reporting the system state when a
crash happens and hence the rename.
Fixes ARM-software/tf-issues#79 Improve reporting of unhandled exception
Change-Id: I260791dc05536b78547412d147193cdccae7811a
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Remove all usage of the vpath keyword in makefiles as it was prone
to mistakes. Specify the relative paths to source files instead.
Also reorder source files in makefiles alphabetically.
Fixes ARM-software/tf-issues#121
Change-Id: Id15f60655444bae60e0e2165259efac71a50928b
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Make codebase consistent in its use of #include "" syntax for
user includes and #include <> syntax for system includes.
Fixes ARM-software/tf-issues#65
Change-Id: If2f7c4885173b1fd05ac2cde5f1c8a07000c7a33
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Move almost all system include files to a logical sub-directory
under ./include. The only remaining system include directories
not under ./include are specific to the platform. Move the
corresponding source files to match the include directory
structure.
Also remove pm.h as it is no longer used.
Change-Id: Ie5ea6368ec5fad459f3e8a802ad129135527f0b3
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All common functions are being built into all binary images,
whether or not they are actually used. This change enables the
use of -ffunction-sections, -fdata-sections and --gc-sections
in the compiler and linker to remove unused code and data from
the images.
Change-Id: Ia9f78c01054ac4fa15d145af38b88a0d6fb7d409
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The Makefile used to specify a blacklist of rules for which
dependency checking must not be triggered. This list included
cleaning rules only, whereas all other non-build targets (e.g.
help, checkpatch, etc.) should also be included.
This approach seems a bit fragile because it is easy to forget
some non-building rules in the blacklist, as the experience
showed us. It is more robust to specify a whitelist of rules
for which dependency checking is required.
Fixes ARM-software/tf-issues#112
Change-Id: I030c405abb35972a726a5200396430316d18f963
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It used to be possible to build all bootloader binaries for all platforms
using 'PLAT=all'. This feature has been removed but there are still some
traces of its existence. This patch removes them.
Change-Id: Ic671a5c20c5b64acbd0a912d2e4db8f9d9574610
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At present, the entry point for each BL image is specified via the
Makefiles and provided on the command line to the linker. When using a
link script the entry point should rather be specified via the ENTRY()
directive in the link script.
This patch updates linker scripts of all BL images to specify the entry
point using the ENTRY() directive. It also removes the --entry flag
passed to the linker through Makefile.
Fixes issue ARM-software/tf-issues#66
Change-Id: I1369493ebbacea31885b51185441f6b628cf8da0
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This patch implements ARM Standard Service as a runtime service and adds
support for call count, UID and revision information SMCs. The existing
PSCI implementation is subsumed by the Standard Service calls and all
PSCI calls are therefore dispatched by the Standard Service to the PSCI
handler.
At present, PSCI is the only specification under Standard Service. Thus
call count returns the number of PSCI calls implemented. As this is the
initial implementation, a revision number of 0.1 is returned for call
revision.
Fixes ARM-software/tf-issues#62
Change-Id: I6d4273f72ad6502636efa0f872e288b191a64bc1
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If a platform doesn't specify a BLx_SOURCE variable, then building
of the corresponding bootloader isn't attempted. Also allow BL3-3 to
be omitted from the FIP.
Note, this change also removes support for PLAT=all and the 'fip' target
from the 'all' recipe.
Fixes ARM-software/tf-issues#30
Change-Id: Ibdfead0440256eaf364617ecff65290ca6fe6240
Signed-off-by: Jon Medhurst <tixy@linaro.org>
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So it updates each time a bootloader changes, not just when bl*_main.c
files are recompiled.
Fixes ARM-software/tf-issues#33
Change-Id: Ie8e1a7bd7e1913d2e96ac268606284f76af8c5ab
Signed-off-by: Jon Medhurst <tixy@linaro.org>
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This change requires all platforms to now specify a list of source files
rather than object files.
New source files should preferably be specified by using the path as
well and we should add this in the future for all files so we can remove
use of vpath. This is desirable because vpath hides issues like the fact
that BL2 currently pulls in a BL1 file bl1/aarch64/early_exceptions.S
and if in the future we added bl2/aarch64/early_exceptions.S then it's
likely only one of the two version would be used for both bootloaders.
This change also removes the 'dump' build target and simply gets
bootloaders to always generate a dump file. At the same time the -x
option is added so the section headers and symbols table are listed.
Fixes ARM-software/tf-issues#11
Change-Id: Ie38f7be76fed95756c8576cf3f3ea3b7015a18dc
Signed-off-by: Jon Medhurst <tixy@linaro.org>
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Commit 375f538a7 in Github accidentally removed the BL2 targets from the
Makefile help message. This patch reverts that change.
Change-Id: I825a9abe5b4ba0f15d02879dda1056912e2ad60c
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At present the fip.bin depends on phony targets for BL images, resulting
in unconditional remake of fip.bin. Also the build messages doesn't
match with the rest of build system.
This patch modifies the fip.bin dependencies to the actual BL binary
images so that fip.bin is remade only when the component images are
rebuilt/modified. The build messages and FIP Makefile are modified to
match the style of rest of the build system.
Change-Id: I8dd08666ff766d106820a5b4b037c2161bcf140f
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This patch adds the TSPD service which is responsible for managing
communication between the non-secure state and the Test Secure Payload
(TSP) executing in S-EL1.
The TSPD does the following:
1. Determines the location of the TSP (BL3-2) image and passes control
to it for initialization. This is done by exporting the 'bl32_init()'
function.
2. Receives a structure containing the various entry points into the TSP
image as a response to being initialized. The TSPD uses this
information to determine how the TSP should be entered depending on
the type of operation.
3. Implements a synchronous mechanism for entering into and returning
from the TSP image. This mechanism saves the current C runtime
context on top of the current stack and jumps to the TSP through an
ERET instruction. The TSP issues an SMC to indicate completion of the
previous request. The TSPD restores the saved C runtime context and
resumes TSP execution.
This patch also introduces a Make variable 'SPD' to choose the specific
SPD to include in the build. By default, no SPDs are included in the
build.
Change-Id: I124da5695cdc510999b859a1bf007f4d049e04f3
Co-authored-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
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This patch creates a 'services' directory and moves the PSCI under
it. Other runtime services e.g. the Secure Payload Dispatcher service
will be placed under the same directory in the future.
Also fixes issue ARM-software/tf-issues#12
Change-Id: I187f83dcb660b728f82155d91882e961d2255068
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