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2018-06-11drivers: add tzc380 supportPeng Fan
Add tzc380 support. Signed-off-by: Peng Fan <peng.fan@nxp.com>
2018-03-01Emit warnings when using deprecated GIC initDan Handley
Emit runtime warnings when intializing the GIC drivers using the deprecated method of defining integer interrupt arrays in the GIC driver data structures; interrupt_prop_t arrays should be used instead. This helps platforms detect that they have migration work to do. Previously, no warning was emitted in this case. This affects both the GICv2 and GICv3 drivers. Also use the __deprecated attribute to emit a build time warning if these deprecated fields are used. These warnings are suppressed in the GIC driver compatibility functions but will be visible if platforms use them. Change-Id: I6b6b8f6c3b4920c448b6dcb82fc18442cfdf6c7a Signed-off-by: Dan Handley <dan.handley@arm.com>
2018-03-01Improve MULTI_CONSOLE_API deprecation warningsDan Handley
For platforms that have not migrated to MULTI_CONSOLE_API == 1, there are a lot of confusing deprecated declaration warnings relating to use of console_init() and console_uninit(). Some of these relate to use by the generic code, not the platform code. These functions are not really deprecated but *removed* when MULTI_CONSOLE_API == 1. This patch consolidates these warnings into a single preprocessor warning. The __deprecated attribute is removed from the console_init() and console_uninit() declarations. For preprocessor warnings like this to not cause fatal build errors, this patch adds -Wno-error=cpp to the build flags when ERROR_DEPRECATED == 0. This option (and -Wno-error=deprecated-declarations) is now added to CPPFLAGS instead of TF_CFLAGS to ensure the build flags are used in the assembler as well as the compiler. This patch also disentangles the MULTI_CONSOLE_API and ERROR_DEPRECATED build flags by defaulting MULTI_CONSOLE_API to 0 instead of ERROR_DEPRECATED. This allows platforms that have not migrated to MULTI_CONSOLE_API to use ERROR_DEPRECATED == 1 to emit a more meaningful build error. Finally, this patch bans use of MULTI_CONSOLE_API == 1 and AARCH32, since the AArch32 console implementation does not support MULTI_CONSOLE_API == 1. Change-Id: If762165ddcb90c28aa7a4951aba70cb15c2b709c Signed-off-by: Dan Handley <dan.handley@arm.com>
2018-02-28Fix MISRA rule 8.3 Part 1Roberto Vargas
Rule 8.3: All declarations of an object or function shall use the same names and type qualifiers. Fixed for: make DEBUG=1 PLAT=fvp LOG_LEVEL=50 all Change-Id: I48201c9ef022f6bd42ea8644529afce70f9b3f22 Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>
2018-02-28Fix MISRA rule 8.3 in common codeRoberto Vargas
Rule 8.3: All declarations of an object or function shall use the same names and type qualifiers. Change-Id: Iff384187c74a598a4e73f350a1893b60e9d16cec Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>
2018-02-24drivers:ufs: fix hynix ufs bug with quirk on hi36xx SoCfengbaopeng
Hynix ufs has deviations on hi36xx platform which will result in ufs bursts transfer failures at a very low probability. To fix the problem, the Hynix device must set the register VS_DebugSaveConfigTime to 0x10, which will set time reference for SaveConfigTime is 250 ns. The time reference for SaveConfigTime is 40 ns by default. Signed-off-by: fengbaopeng <fengbaopeng@hisilicon.com>
2018-01-24Merge pull request #1193 from jwerner-chromium/JW_corebootdavidcunado-arm
New console API and coreboot support [v4]
2018-01-19coreboot: Add support for CBMEM consoleJulius Werner
coreboot supports an in-memory console to store firmware logs even when no serial console is available. It is widely supported by coreboot-compatible bootloaders (including SeaBIOS and GRUB) and can be read by the Linux kernel. This patch allows BL31 to add its own log messages to this console. The driver will be registered automatically if coreboot support is compiled in and detects the presence of a console buffer in the coreboot tables. Change-Id: I31254dfa0c2fdeb7454634134b5707b4b4154907 Signed-off-by: Julius Werner <jwerner@chromium.org>
2018-01-19drivers: cadence: cdns: Update CDNS driver to support MULTI_CONSOLE_APIJulius Werner
This patch updates the Cadence CDNS console driver to support the new console API. The driver will continue to support the old API as well by checking the MULTI_CONSOLE_API compile-time flag. Change-Id: I2ef8fb0d6ab72696997db1e0243a533499569d6b Signed-off-by: Julius Werner <jwerner@chromium.org>
2018-01-19drivers: arm: pl011: Update PL011 driver to support MULTI_CONSOLE_APIJulius Werner
This patch updates the ARM PL011 console driver to support the new console API. The driver will continue to support the old API as well by checking the MULTI_CONSOLE_API compile-time flag. Change-Id: Ic34e4158addbb0c5fae500c9cff899c05a4f4206 Signed-off-by: Julius Werner <jwerner@chromium.org>
2018-01-19drivers: ti: uart: Update 16550 UART driver to support MULTI_CONSOLE_APIJulius Werner
This patch updates the TI 16550 console driver to support the new console API. The driver will continue to support the old API as well by checking the MULTI_CONSOLE_API compile-time flag. Change-Id: I60a44b7ba3c35c74561824c04b8dbe3e3039324c Signed-off-by: Julius Werner <jwerner@chromium.org>
2018-01-17emmc: add macros CMD21, BUS_WIDTH_DDR_4 and BUS_WIDTH_DDR_8Qixiang Xu
Add some macros according to JEDEC Standard Embedded Multi-Media Card (eMMC) Electrical Standard (5.1)": Table 145 - Bus Mode Selection. Change-Id: Iaa45e0582653ef4290efd60d039f0bdc420eeb47 Signed-off-by: Qixiang Xu <qixiang.xu@arm.com>
2017-12-12Add new function-pointer-based console APIJulius Werner
This patch overhauls the console API to allow for multiple console instances of different drivers that are active at the same time. Instead of binding to well-known function names (like console_core_init), consoles now provide a register function (e.g. console_16550_register()) that will hook them into the list of active consoles. All console operations will be dispatched to all consoles currently in the list. The new API will be selected by the build-time option MULTI_CONSOLE_API, which defaults to ${ERROR_DEPRECATED} for now. The old console API code will be retained to stay backwards-compatible to older platforms, but should no longer be used for any newly added platforms and can hopefully be removed at some point in the future. The new console API is intended to be used for both normal (bootup) and crash use cases, freeing platforms of the need to set up the crash console separately. Consoles can be individually configured to be active active at boot (until first handoff to EL2), at runtime (after first handoff to EL2), and/or after a crash. Console drivers should set a sane default upon registration that can be overridden with the console_set_scope() call. Code to hook up the crash reporting mechanism to this framework will be added with a later patch. This patch only affects AArch64, but the new API could easily be ported to AArch32 as well if desired. Change-Id: I35c5aa2cb3f719cfddd15565eb13c7cde4162549 Signed-off-by: Julius Werner <jwerner@chromium.org>
2017-11-23Merge pull request #1145 from etienne-lms/rfc-armv7-2davidcunado-arm
Support ARMv7 architectures
2017-11-21tbbr: Add build flag HASH_ALG to let the user to select the SHAQixiang Xu
The flag support the following values: - sha256 (default) - sha384 - sha512 Change-Id: I7a49d858c361e993949cf6ada0a86575c3291066 Signed-off-by: Qixiang Xu <qixiang.xu@arm.com>
2017-11-13BL31: Program Priority Mask for SMC handlingJeenu Viswambharan
On GICv3 systems, as a side effect of adding provision to handle EL3 interrupts (unconditionally routing FIQs to EL3), pending Non-secure interrupts (signalled as FIQs) may preempt execution in lower Secure ELs [1]. This will inadvertently disrupt the semantics of Fast SMC (previously called Atomic SMC) calls. To retain semantics of Fast SMCs, the GIC PMR must be programmed to prevent Non-secure interrupts from preempting Secure execution. To that effect, two new functions in the Exception Handling Framework subscribe to events introduced in an earlier commit: - Upon 'cm_exited_normal_world', the Non-secure PMR is stashed, and the PMR is programmed to the highest Non-secure interrupt priority. - Upon 'cm_entering_normal_world', the previously stashed Non-secure PMR is restored. The above sequence however prevents Yielding SMCs from being preempted by Non-secure interrupts as intended. To facilitate this, the public API exc_allow_ns_preemption() is introduced that programs the PMR to the original Non-secure PMR value. Another API exc_is_ns_preemption_allowed() is also introduced to check if exc_allow_ns_preemption() had been called previously. API documentation to follow. [1] On GICv2 systems, this isn't a problem as, unlike GICv3, pending NS IRQs during Secure execution are signalled as IRQs, which aren't routed to EL3. Change-Id: Ief96b162b0067179b1012332cd991ee1b3051dd0 Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-11-13GIC: Introduce API to get interrupt IDJeenu Viswambharan
Acknowledging interrupt shall return a raw value from the interrupt controller in which the actual interrupt ID may be encoded. Add a platform API to extract the actual interrupt ID from the raw value obtained from interrupt controller. Document the new function. Also clarify the semantics of interrupt acknowledge. Change-Id: I818dad7be47661658b16f9807877d259eb127405 Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-11-08ARMv7: GICv2 driver can manage GICv1 with security extensionEtienne Carriere
Some SoCs integrate a GIC in version 1 that is currently not supported by the trusted firmware. This change hijacks GICv2 driver to handle the GICv1 as GICv1 is compatible enough with GICv2 as far as the platform does not attempt to play with virtualization support or some GICv2 specific power features. Note that current trusted firmware does not use these GICv2 features that are not available in GICv1 Security Extension. Change-Id: Ic2cb3055f1319a83455571d6d918661da583f179 Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
2017-10-25plat/arm: enlarge the BL2 size on Arm platforms when TBB is enabledQixiang Xu
For Trusted Board Boot, BL2 needs more space to support the ECDSA and ECDSA+RSA algorithms. Change-Id: Ie7eda9a1315ce836dbc6d18d6588f8d17891a92d Signed-off-by: Qixiang Xu <qixiang.xu@arm.com>
2017-10-16ARM platforms: Migrate to using interrupt propertiesJeenu Viswambharan
An earlier patch added provision for the platform to provide secure interrupt properties. ARM platforms already has a list of interrupts that fall into different secure groups. This patch defines macros that enumerate interrupt properties in the same fashion, and points the driver driver data to a list of interrupt properties rather than list of secure interrupts on ARM platforms. The deprecated interrupt list definitions are however retained to support legacy builds. Configuration applied to individual interrupts remain unchanged, so no runtime behaviour change expected. NOTE: Platforms that use the arm/common function plat_arm_gic_driver_init() must replace their PLAT_ARM_G1S_IRQS and PLAT_ARM_G0_IRQS macro definitions with PLAT_ARM_G1S_IRQ_PROPS and PLAT_ARM_G0_IRQ_PROPS macros respectively, using the provided INTR_PROP_DESC macro. Change-Id: I24d643b83e3333753a3ba97d4b6fb71e16bb0952 Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GIC: Allow specifying interrupt propertiesJeenu Viswambharan
The GIC driver initialization currently allows an array of interrupts to be configured as secure. Future use cases would require more interrupt configuration other than just security, such as priority. This patch introduces a new interrupt property array as part of both GICv2 and GICv3 driver data. The platform can populate the array with interrupt numbers and respective properties. The corresponding driver initialization iterates through the array, and applies interrupt configuration as required. This capability, and the current way of supplying array (or arrays, in case of GICv3) of secure interrupts, are however mutually exclusive. Henceforth, the platform should supply either: - A list of interrupts to be mapped as secure (the current way). Platforms that do this will continue working as they were. With this patch, this scheme is deprecated. - A list of interrupt properties (properties include interrupt group). Individual interrupt properties are specified via. descriptors of type 'interrupt_prop_desc_t', which can be populated with the macro INTR_PROP_DESC(). A run time assert checks that the platform doesn't specify both. Henceforth the old scheme of providing list of secure interrupts is deprecated. When built with ERROR_DEPRECATED=1, GIC drivers will require that the interrupt properties are supplied instead of an array of secure interrupts. Add a section to firmware design about configuring secure interrupts. Fixes ARM-software/tf-issues#262 Change-Id: I8eec29e72eb69dbb6bce77879febf32c95376942 Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GIC: Add helpers to set interrupt configurationJeenu Viswambharan
The helpers perform read-modify-write on GIC*_ICFGR registers, but don't serialise callers. Any serialisation must be taken care of by the callers. Change-Id: I71995f82ff2c7f70d37af0ede30d6ee18682fd3f Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GIC: Add API to set priority maskJeenu Viswambharan
API documentation updated. Change-Id: I40feec1fe67a960d035061b54dd55610bc34ce1d Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GIC: Add API to set/clear interrupt pendingJeenu Viswambharan
API documentation updated. Change-Id: I14e33cfc7dfa93257c82d76fae186b17a1b6d266 Co-authored-by: Yousuf A <yousuf.sait@arm.com> Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GIC: Add API to set interrupt routingJeenu Viswambharan
SPIs can be routed to either a specific PE, or to any one of all available PEs. API documentation updated. Change-Id: I28675f634568aaf4ea1aa8aa7ebf25b419a963ed Co-authored-by: Yousuf A <yousuf.sait@arm.com> Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GIC: Add API to raise secure SGIJeenu Viswambharan
API documentation updated. Change-Id: I129725059299af6cc612bafa8d74817f779d7c4f Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GIC: Add APIs to set interrupt type and query supportJeenu Viswambharan
The back end GIC driver converts and assigns the interrupt type to suitable group. For GICv2, a build option GICV2_G0_FOR_EL3 is introduced, which determines to which type Group 0 interrupts maps to. - When the build option is set 0 (the default), Group 0 interrupts are meant for Secure EL1. This is presently the case. - Otherwise, Group 0 interrupts are meant for EL3. This means the SPD will have to synchronously hand over the interrupt to Secure EL1. The query API allows the platform to query whether the platform supports interrupts of a given type. API documentation updated. Change-Id: I60fdb4053ffe0bd006b3b20914914ebd311fc858 Co-authored-by: Yousuf A <yousuf.sait@arm.com> Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GIC: Add API to set interrupt priorityJeenu Viswambharan
API documentation updated. Change-Id: Ib700eb1b8ca65503aeed0ac4ce0e7b934df67ff9 Co-authored-by: Yousuf A <yousuf.sait@arm.com> Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GIC: Add APIs to enable and disable interruptJeenu Viswambharan
API documentation updated. Change-Id: Ice7511f8df5356851001d2f7dc2a46cfe318f9ba Co-authored-by: Yousuf A <yousuf.sait@arm.com> Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GIC: Add API to get interrupt active statusJeenu Viswambharan
API documentation updated. Change-Id: I6d61785af0d5330930c709de971a904dc7c3516c Co-authored-by: Yousuf A <yousuf.sait@arm.com> Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GIC: Add APIs to query interrupt typesJeenu Viswambharan
These APIs allow the GIC implementation to categorize interrupt numbers into SPIs, PPIs, and SGIs. The default implementations for GICv2 and GICv3 follows interrupt numbering as specified by the ARM GIC architecture. API documentation updated. Change-Id: Ia6aa379dc955994333232e6138f259535d4fa087 Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GICv2: Add driver API to set PE target maskJeenu Viswambharan
The PE target mask is used to translate linear PE index (returned by platform core position) to a bit mask used when targeting interrupts to a PE, viz. when raising SGIs and routing SPIs. The platform shall: - Populate the driver data with a pointer to array that's to contain per-PE target masks. - Invoke the new driver API 'gicv2_set_pe_target_mask()' during per-CPU initialization so that the driver populates the target mask for that CPU. Platforms that don't intend to target interrupts or raise SGIs need not populate this. Change-Id: Ic0db54da86915e9dccd82fff51479bc3c1fdc968 Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-16GIC: Add API to get running priorityJeenu Viswambharan
Document the API in separate platform interrupt controller API document. Change-Id: If18f208e10a8a243f5c59d226fcf48e985941949 Co-authored-by: Yousuf A <yousuf.sait@arm.com> Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-10-05GICv3: ITS architectural save and restore helpersSoby Mathew
This patch adds functions to save and restore GICv3 ITS registers during system suspend. Please note that the power management of GIC ITS is implementation defined. These functions only implements the architectural part of the ITS power management and they do not restore memory structures or register content required to support ITS. Even if the ITS implementation stores structures in memory, an implementation defined power down sequence is likely to be required to flush some internal ITS caches to memory. If such implementation defined sequence is not followed, the platform must ensure that the ITS is not power gated during system suspend. Change-Id: I5f31e5541975aa7dcaab69b0b7f67583c0e27678 Signed-off-by: Soby Mathew <soby.mathew@arm.com> Signed-off-by: Douglas Raillard <douglas.raillard@arm.com>
2017-10-05GICv3: add functions for save and restoreSoby Mathew
During system suspend, the GICv3 Distributor and Redistributor context can be lost due to power gating of the system power domain. This means that the GICv3 context needs to be saved prior to system suspend and restored on wakeup. Currently the consensus is that the Firmware should be in charge of this. See tf-issues#464 for more details. This patch introduces helper APIs in the GICv3 driver to save and restore the Distributor and Redistributor contexts. The GICv3 ITS context is not considered in this patch because the specification says that the details of ITS power management is implementation-defined. These APIs are expected to be appropriately invoked by the platform layer during system suspend. Fixes ARM-software/tf-issues#464 Change-Id: Iebb9c6770ab8c4d522546f161fa402d2fe02ec00 Signed-off-by: Soby Mathew <soby.mathew@arm.com> Signed-off-by: Douglas Raillard <douglas.raillard@arm.com>
2017-10-02Merge pull request #1107 from geesun/qx/add_ecdsa_supportdavidcunado-arm
Add support for TBBR using ECDSA keys in ARM platforms
2017-09-22Dynamic selection of ECDSA or RSAQixiang Xu
Add new option rsa+ecdsa for TF_MBEDTLS_KEY_ALG, which selects rsa or ecdsa depending on the certificate used. Change-Id: I08d9e99bdbba361ed2ec5624248dc382c750ad47 Signed-off-by: Qixiang Xu <qixiang.xu@arm.com>
2017-09-22Add support for TBBR using ECDSA keys in ARM platformsQixiang Xu
- fixed compile error when KEY_ALG=ecdsa - add new option ecdsa for TF_MBEDTLS_KEY_ALG - add new option devel_ecdsa for ARM_ROTPK_LOCATION - add ecdsa key at plat/arm/board/common/rotpk/ - reduce the mbedtls heap memory size to 13k Change-Id: I3f7a6170af93fdbaaa7bf2fffb4680a9f6113c13 Signed-off-by: Qixiang Xu <qixiang.xu@arm.com>
2017-09-21Fix type of `unsigned long` constantsAntonio Nino Diaz
The type `unsigned long` is 32 bit wide in AArch32, but 64 bit wide in AArch64. This is inconsistent and that's why we avoid using it as per the Coding Guidelines. This patch changes all `UL` occurrences to `U` or `ULL` depending on the context so that the size of the constant is clear. This problem affected the macro `BIT(nr)`. As long as this macro is used to fill fields of registers, that's not a problem, since all registers are 32 bit wide in AArch32 and 64 bit wide in AArch64. However, if the macro is used to fill the fields of a 64-bit integer, it won't be able to set the upper 32 bits in AArch32. By changing the type of this macro to `unsigned long long` the behaviour is always the same regardless of the architecture, as this type is 64-bit wide in both cases. Some Tegra platform files have been modified by this patch. Change-Id: I918264c03e7d691a931f0d1018df25a2796cc221 Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2017-08-01Add SMMUv3 driverJeenu Viswambharan
The driver has only one API: to initialize an SMMUv3 device. This operates on a device that implements secure state, by invalidating secure caches and TLBs. Change-Id: Ief32800419ddf0f1fe38c8f0da8f5ba75c72c826 Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-08-01CCI: Adapt for specific product at run timeJeenu Viswambharan
The current build system and driver requires the CCI product to be specified at build time. The device constraints can be determined at run time from its ID registers, obviating the need for specifying them ahead. This patch adds changes to identify and validate CCI at run time. Some global variables are renamed to be in line with the rest of the code base. The build option ARM_CCI_PRODUCT_ID is now removed, and user guide is updated. Change-Id: Ibb765e349d3bc95ff3eb9a64bde1207ab710a93d Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
2017-07-12Fix order of #includesIsla Mitchell
This fix modifies the order of system includes to meet the ARM TF coding standard. There are some exceptions in order to retain header groupings, minimise changes to imported headers, and where there are headers within the #if and #ifndef statements. Change-Id: I65085a142ba6a83792b26efb47df1329153f1624 Signed-off-by: Isla Mitchell <isla.mitchell@arm.com>
2017-06-28Add headers to enable CryptoCell integrationSoby Mathew
This patch adds header files with required declarations and macro definitions to enable integration with CryptoCell SBROM version `CC712 – Release 1.0.0.1061`. These headers enable ARM Trusted Firmware to build and link with CryptoCell SBROM library. Change-Id: I501eda7fe1429acb61db8e1cab78cc9aee9c1871 Signed-off-by: Soby Mathew <soby.mathew@arm.com>
2017-06-14include: add U()/ULL() macros for constantsVarun Wadekar
This patch uses the U() and ULL() macros for constants, to fix some of the signed-ness defects flagged by the MISRA scanner. Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2017-06-05Add support for RSASSAPSS algorithm in mbedtls crypto driverSoby Mathew
This patch adds support for RSASSA-PSS Signature Algorithm for X509 certificates in mbedtls crypto driver. Now the driver supports RSA PKCS2_1 standard as mandated by TBBR. NOTE: With this patch, the PKCS1_5 standard compliant RSA signature is deprecated. Change-Id: I9cf6d073370b710cc36a7b374a55ec96c0496461 Signed-off-by: Soby Mathew <soby.mathew@arm.com>
2017-05-31Merge pull request #955 from hzhuang1/ufsdanh-arm
Add ufs stack and designware phy
2017-05-31drivers: add designware ufs driverHaojian Zhuang
Initialized the designware UFS PHY. Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
2017-05-31drivers: add ufs stackHaojian Zhuang
If UFS device is initialized, we could just make it out of hibernation by UFS_FLAGS_SKIPINIT. And vendor's dirver is always focus on PHY setting. We could use UFS driver directly if it exits from hibernation. There're eight LUNs in UFS device. The UFS driver only provides the read/write API with LUN. User could define his own read/write since user may want to access different LUNs. Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
2017-05-24mbedtls: Use `tf_snprintf` instead of `snprintf`Antonio Nino Diaz
The Trusted Firmware uses a subset of the APIs provided by mbed TLS. This subset internally uses `snprintf`, but the only format specifier used is '%d', which is supported by `tf_snprintf`. This patch makes mbed TLS use `tf_snprintf` instead of `snprintf`, saving 3 KB in both debug and release builds when TBBR is enabled. Change-Id: I7f992a21015930d7c0f4660e7a28ceefd60b9597 Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2017-05-12mbedtls: Namespace for TF specific macrosDavid Cunado
An earlier patch (arm-trusted-firmware#874) migrated MBEDTLS_ suffixed macros to have a TBBR_ suffix to avoid any potential clash with future mbedtls macros. But on reflection the TBBR_ suffix could be confusing as the macros are used to drive TF-specific configuration of mbedtls. As such this patch migrates these macros from TBBR_suffix to TF_MBEDTLS_ suffix which more accurately conveys their use. Change-Id: Ic87642b653ceeaa03d62f724976abd5e12e867d4 Signed-off-by: David Cunado <david.cunado@arm.com>
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