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@ -4,6 +4,534 @@ Change Log & Release Notes |
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This document contains a summary of the new features, changes, fixes and known |
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issues in each release of Trusted Firmware-A. |
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Version 2.3 |
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----------- |
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New Features |
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^^^^^^^^^^^^ |
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- Arm Architecture |
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- Add support for Armv8.4-SecEL2 extension through the SPCI defined SPMD/SPMC |
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components. |
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- Build option to support EL2 context save and restore in the secure world |
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(CTX_INCLUDE_EL2_REGS). |
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- Add support for SMCCC v1.2 (introducing the new SMCCC_ARCH_SOC_ID SMC). |
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Note that the support is compliant, but the SVE registers save/restore will |
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be done as part of future S-EL2/SPM development. |
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- BL-specific |
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- Enhanced BL2 bootloader flow to load secure partitions based on firmware |
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configuration data (fconf). |
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- Changes necessary to support SEPARATE_NOBITS_REGION feature |
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- TSP and BL2_AT_EL3: Add Position Independent Execution ``PIE`` support |
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- Build System |
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- Add support for documentation build as a target in Makefile |
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- Add ``COT`` build option to select the chain of trust to use when the |
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Trusted Boot feature is enabled (default: ``tbbr``). |
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- Added creation and injection of secure partition packages into the FIP. |
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- Build option to support SPMC component loading and run at S-EL1 |
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or S-EL2 (SPMD_SPM_AT_SEL2). |
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- Enable MTE support |
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- Enable Link Time Optimization in GCC |
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- Enable -Wredundant-decls warning check |
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- Makefile: Add support to optionally encrypt BL31 and BL32 |
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- Add support to pass the nt_fw_config DTB to OP-TEE. |
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- Introduce per-BL ``CPPFLAGS``, ``ASFLAGS``, and ``LDFLAGS`` |
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- build_macros: Add CREATE_SEQ function to generate sequence of numbers |
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- CPU Support |
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- cortex-a57: Enable higher performance non-cacheable load forwarding |
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- Hercules: Workaround for Errata 1688305 |
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- Klein: Support added for Klein CPU |
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- Matterhorn: Support added for Matterhorn CPU |
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- Drivers |
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- auth: Add ``calc_hash`` function for hash calculation. Used for |
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authentication of images when measured boot is enabled. |
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- cryptocell: Add authenticated decryption framework, and support |
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for CryptoCell-713 and CryptoCell-712 RSA 3K |
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- gic600: Add support for multichip configuration and Clayton |
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- gicv3: Introduce makefile, Add extended PPI and SPI range, |
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Add support for probing multiple GIC Redistributor frames |
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- gicv4: Add GICv4 extension for GIC driver |
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- io: Add an IO abstraction layer to load encrypted firmwares |
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- mhu: Derive doorbell base address |
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- mtd: Add SPI-NOR, SPI-NAND, SPI-MEM, and raw NAND framework |
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- scmi: Allow use of multiple SCMI channels |
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- scu: Add a driver for snoop control unit |
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- Libraries |
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- coreboot: Add memory range parsing and use generic base address |
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- compiler_rt: Import popcountdi2.c and popcountsi2.c files, |
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aeabi_ldivmode.S file and dependencies |
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- debugFS: Add DebugFS functionality |
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- el3_runtime: Add support for enabling S-EL2 |
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- fconf: Add Firmware Configuration Framework (fconf) (experimental). |
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- libc: Add memrchr function |
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- locks: bakery: Use is_dcache_enabled() helper and add a DMB to |
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the 'read_cache_op' macro |
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- psci: Add support to enable different personality of the same soc. |
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- xlat_tables_v2: Add support to pass shareability attribute for |
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normal memory region, use get_current_el_maybe_constant() in |
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is_dcache_enabled(), read-only xlat tables for BL31 memory, and |
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add enable_mmu() |
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- New Platforms Support |
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- arm/arm_fpga: New platform support added for FPGA |
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- arm/rddaniel: New platform support added for rd-daniel platform |
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- brcm/stingray: New platform support added for Broadcom stingray platform |
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- nvidia/tegra194: New platform support for Nvidia Tegra194 platform |
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- Platforms |
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- allwinner: Implement PSCI system suspend using SCPI, add a msgbox |
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driver for use with SCPI, and reserve and map space for the SCP firmware |
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- allwinner: axp: Add AXP805 support |
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- allwinner: power: Add DLDO4 power rail |
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- amlogic: axg: Add a build flag when using ATOS as BL32 and support for |
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the A113D (AXG) platform |
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- arm/a5ds: Add ethernet node and L2 cache node in devicetree |
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- arm/common: Add support for the new `dualroot` chain of trust |
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- arm/common: Add support for SEPARATE_NOBITS_REGION |
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- arm/common: Re-enable PIE when RESET_TO_BL31=1 |
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- arm/common: Allow boards to specify second DRAM Base address |
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and to define PLAT_ARM_TZC_FILTERS |
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- arm/cornstone700: Add support for mhuv2 and stack protector |
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- arm/fvp: Add support for fconf in BL31 and SP_MIN. Populate power |
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domain desciptor dynamically by leveraging fconf APIs. |
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- arm/fvp: Add Cactus/Ivy Secure Partition information and use two |
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instances of Cactus at S-EL1 |
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- arm/fvp: Add support to run BL32 in TDRAM and BL31 in secure DRAM |
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- arm/fvp: Add support for GICv4 extension and BL2 hash calculation in BL1 |
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- arm/n1sdp: Setup multichip gic routing table, update platform macros |
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for dual-chip setup, introduce platform information SDS region, add |
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support to update presence of External LLC, and enable the |
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NEOVERSE_N1_EXTERNAL_LLC flag |
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- arm/rdn1edge: Add support for dual-chip configuration and use |
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CREATE_SEQ helper macro to compare chip count |
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- arm/sgm: Always use SCMI for SGM platforms |
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- arm/sgm775: Add support for dynamic config using fconf |
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- arm/sgi: Add multi-chip mode parameter in HW_CONFIG dts, macros for |
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remote chip device region, chip_id and multi_chip_mode to platform |
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variant info, and introduce number of chips macro |
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- brcm: Add BL2 and BL31 support common across Broadcom platforms |
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- brcm: Add iproc SPI Nor flash support, spi driver, emmc driver, |
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and support to retrieve plat_toc_flags |
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- hisilicon: hikey960: Enable system power off callback |
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- intel: Enable bridge access, SiP SMC secure register access, and uboot |
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entrypoint support |
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- intel: Implement platform specific system reset 2 |
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- intel: Introduce mailbox response length handling |
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- imx: console: Use CONSOLE_T_BASE for UART base address and generic console_t |
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data structure |
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- imx8mm: Provide uart base as build option and add the support for opteed spd |
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on imx8mq/imx8mm |
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- imx8qx: Provide debug uart num as build |
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- imx8qm: Apply clk/pinmux configuration for DEBUG_CONSOLE and provide debug |
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uart num as build param |
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- marvell: a8k: Implement platform specific power off and add support |
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for loading MG CM3 images |
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- mediatek: mt8183: Add Vmodem/Vcore DVS init level |
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- qemu: Support optional encryption of BL31 and BL32 images |
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and ARM_LINUX_KERNEL_AS_BL33 to pass FDT address |
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- qemu: Define ARMV7_SUPPORTS_VFP |
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- qemu: Implement PSCI_CPU_OFF and qemu_system_off via semihosting |
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- renesas: rcar_gen3: Add new board revision for M3ULCB |
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- rockchip: Enable workaround for erratum 855873, claim a macro to enable |
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hdcp feature for DP, enable power domains of rk3399 before reset, add |
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support for UART3 as serial output, and initialize reset and poweroff |
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GPIOs with known invalid value |
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- rpi: Implement PSCI CPU_OFF, use MMIO accessor, autodetect Mini-UART |
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vs. PL011 configuration, and allow using PL011 UART for RPi3/RPi4 |
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- rpi3: Include GPIO driver in all BL stages and use same "clock-less" |
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setup scheme as RPi4 |
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- rpi3/4: Add support for offlining CPUs |
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- st: stm32mp1: platform.mk: Support generating multiple images in one build, |
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migrate to implicit rules, derive map file name from target name, generate |
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linker script with fixed name, and use PHONY for the appropriate targets |
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- st: stm32mp1: Add support for SPI-NOR, raw NAND, and SPI-NAND boot device, |
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QSPI, FMC2 driver |
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- st: stm32mp1: Use stm32mp_get_ddr_ns_size() function, set XN attribute for |
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some areas in BL2, dynamically map DDR later and non-cacheable during its |
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test, add a function to get non-secure DDR size, add DT helper for reg by |
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name, and add compilation flags for boot devices |
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- socionext: uniphier: Turn on ENABLE_PIE |
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- ti: k3: Add PIE support |
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- xilinx: versal: Add set wakeup source, client wakeup, query data, request |
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wakeup, PM_INIT_FINALIZE, PM_GET_TRUSTZONE_VERSION, PM IOCTL, support for |
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suspend related, and Get_ChipID APIs |
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- xilinx: versal: Implement power down/restart related EEMI, SMC handler for |
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EEMI, PLL related PM, clock related PM, pin control related PM, reset related |
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PM, device related PM , APIs |
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- xilinx: versal: Enable ipi mailbox service |
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- xilinx: versal: Add get_api_version support and support to send PM API to PMC |
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using IPI |
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- xilinx: zynqmp: Add checksum support for IPI data, GET_CALLBACK_DATA |
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function, support to query max divisor, CLK_SET_RATE_PARENT in gem clock |
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node, support for custom type flags, LPD WDT clock to the pm_clock structure, |
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idcodes for new RFSoC silicons ZU48DR and ZU49DR, and id for new RFSoC device |
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ZU39DR |
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- Security |
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- Use Speculation Barrier instruction for v8.5+ cores |
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- Add support for optional firmware encryption feature (experimental). |
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- Introduce a new `dualroot` chain of trust. |
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- aarch64: Prevent speculative execution past ERET |
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- aarch32: Stop speculative execution past exception returns. |
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- SPCI |
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- Introduced the Secure Partition Manager Dispatcher (SPMD) component as a |
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new standard service. |
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- Tools |
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- cert_create: Introduce CoT build option and TBBR CoT makefile, |
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and define the dualroot CoT |
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- encrypt_fw: Add firmware authenticated encryption tool |
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- memory: Add show_memory script that prints a representation |
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of the memory layout for the latest build |
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Changed |
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^^^^^^^ |
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- Arm Architecture |
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- PIE: Make call to GDT relocation fixup generalized |
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- BL-Specific |
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- Increase maximum size of BL2 image |
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- BL31: Discard .dynsym .dynstr .hash sections to make ENABLE_PIE work |
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- BL31: Split into two separate memory regions |
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- Unify BL linker scripts and reduce code duplication. |
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- Build System |
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- Changes to drive cert_create for dualroot CoT |
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- Enable -Wlogical-op always |
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- Enable -Wshadow always |
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- Refactor the warning flags |
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- PIE: Pass PIE options only to BL31 |
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- Reduce space lost to object alignment |
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- Set lld as the default linker for Clang builds |
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- Remove -Wunused-const-variable and -Wpadded warning |
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- Remove -Wmissing-declarations warning from WARNING1 level |
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- Drivers |
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- authentication: Necessary fix in drivers to upgrade to mbedtls-2.18.0 |
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- console: Integrate UART base address in generic console_t |
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- gicv3: Change API for GICR_IPRIORITYR accessors and separate |
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GICD and GICR accessor functions |
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- io: Change seek offset to signed long long and panic in case |
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of io setup failure |
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- smmu: SMMUv3: Changed retry loop to delay timer |
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- tbbr: Reduce size of hash and ECDSA key buffers when possible |
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- Library Code |
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- libc: Consolidate the size_t, unified, and NULL definitions, |
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and unify intmax_t and uintmax_t on AArch32/64 |
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- ROMLIB: Optimize memory layout when ROMLIB is used |
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- xlat_tables_v2: Use ARRAY_SIZE in REGISTER_XLAT_CONTEXT_FULL_SPEC, |
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merge REGISTER_XLAT_CONTEXT_{FULL_SPEC,RO_BASE_TABLE}, |
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and simplify end address checks in mmap_add_region_check() |
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- Platforms |
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- allwinner: Adjust SRAM A2 base to include the ARISC vectors, clean up MMU |
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setup, reenable USE_COHERENT_MEM, remove unused include path, move the |
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NOBITS region to SRAM A1, convert AXP803 regulator setup code into a driver, |
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enable clock before resetting I2C/RSB |
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- allwinner: h6: power: Switch to using the AXP driver |
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- allwinner: a64: power: Use fdt_for_each_subnode, remove obsolete register |
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check, remove duplicate DT check, and make sunxi_turn_off_soc static |
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- allwinner: Build PMIC bus drivers only in BL31, clean up PMIC-related error |
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handling, and synchronize PMIC enumerations |
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- arm/a5ds: Change boot address to point to DDR address |
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- arm/common: Check for out-of-bound accesses in the platform io policies |
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- arm/corstone700: Updating the kernel arguments to support initramfs, |
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use fdts DDR memory and XIP rootfs, and set UART clocks to 32MHz |
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- arm/fvp: Modify multithreaded dts file of DynamIQ FVPs, slightly bump |
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the stack size for bl1 and bl2, remove re-definition of topology related |
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build options, stop reclaiming init code with Clang builds, and map only |
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the needed DRAM region statically in BL31/SP_MIN |
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- arm/juno: Maximize space allocated to SCP_BL2 |
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- arm/sgi: Bump bl1 RW limit, mark remote chip shared ram as non-cacheable, |
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move GIC related constants to board files, include AFF3 affinity in core |
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position calculation, move bl31_platform_setup to board file, and move |
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topology information to board folder |
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- common: Refactor load_auth_image_internal(). |
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- hisilicon: Remove uefi-tools in hikey and hikey960 documentation |
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- intel: Modify non secure access function, BL31 address mapping, mailbox's |
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get_config_status, and stratix10 BL31 parameter handling |
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- intel: Remove un-needed checks for qspi driver r/w and s10 unused source code |
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- intel: Change all global sip function to static |
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- intel: Refactor common platform code |
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- intel: Create SiP service header file |
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- marvell: armada: scp_bl2: Allow loading up to 8 images |
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- marvell: comphy-a3700: Support SGMII COMPHY power off and fix USB3 |
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powering on when on lane 2 |
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- marvell: Consolidate console register calls |
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- mediatek: mt8183: Protect 4GB~8GB dram memory, refine GIC driver for |
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low power scenarios, and switch PLL/CLKSQ/ck_off/axi_26m control to SPM |
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- qemu: Update flash address map to keep FIP in secure FLASH0 |
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- renesas: rcar_gen3: Update IPL and Secure Monitor Rev.2.0.6, update DDR |
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setting for H3, M3, M3N, change fixed destination address of BL31 and BL32, |
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add missing #{address,size}-cells into generated DT, pass DT to OpTee OS, |
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and move DDR drivers out of staging |
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- rockchip: Make miniloader ddr_parameter handling optional, cleanup securing |
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of ddr regions, move secure init to separate file, use base+size for secure |
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ddr regions, bring TZRAM_SIZE values in lined, and prevent macro expansion |
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in paths |
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- rpi: Move plat_helpers.S to common |
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- rpi3: gpio: Simplify GPIO setup |
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- rpi4: Skip UART initialisation |
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- st: stm32m1: Use generic console_t data structure, remove second |
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QSPI flash instance, update for FMC2 pin muxing, and reduce MAX_XLAT_TABLES |
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to 4 |
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- socionext: uniphier: Make on-chip SRAM and I/O register regions configurable |
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- socionext: uniphier: Make PSCI related, counter control, UART, pinmon, NAND |
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controller, and eMMC controller base addresses configurable |
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- socionext: uniphier: Change block_addressing flag and the return value type |
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of .is_usb_boot() to bool |
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- socionext: uniphier: Run BL33 at EL2, call uniphier_scp_is_running() only |
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when on-chip STM is supported, define PLAT_XLAT_TABLES_DYNAMIC only for BL2, |
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support read-only xlat tables, use enable_mmu() in common function, shrink |
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UNIPHIER_ROM_REGION_SIZE, prepare uniphier_soc_info() for next SoC, extend |
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boot device detection for future SoCs, make all BL images completely |
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position-independent, make uniphier_mmap_setup() work with PIE, pass SCP |
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base address as a function parameter, set buffer offset and length for |
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io_block dynamically, and use more mmap_add_dynamic_region() for loading |
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images |
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- spd/trusty: Disable error messages seen during boot, allow gic base to be |
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specified with GICD_BASE, and allow getting trusty memsize from BL32_MEM_SIZE |
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instead of TSP_SEC_MEM_SIZE |
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- ti: k3: common: Enable ARM cluster power down and rename device IDs to |
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be more consistent |
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- ti: k3: drivers: ti_sci: Put sequence number in coherent memory and |
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remove indirect structure of const data |
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- xilinx: Move ipi mailbox svc to xilinx common |
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- xilinx: zynqmp: Use GIC framework for warm restart |
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- xilinx: zynqmp: pm: Move custom clock flags to typeflags, remove |
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CLK_TOPSW_LSBUS from invalid clock list and rename FPD WDT clock ID |
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- xilinx: versal: Increase OCM memory size for DEBUG builds and adjust |
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cpu clock, Move versal_def.h and versal_private to include directory |
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- Tools |
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- sptool: Updated sptool to accomodate building secure partition packages. |
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Resolved Issues |
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^^^^^^^^^^^^^^^ |
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- Arm Architecture |
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- Fix crash dump for lower EL |
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- BL-Specific |
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- Bug fix: Protect TSP prints with lock |
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- Fix boot failures on some builds linked with ld.lld. |
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- Build System |
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- Fix clang build if CC is not in the path. |
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- Fix 'BL stage' comment for build macros |
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- Code Quality |
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- coverity: Fix various MISRA violations including null pointer violations, |
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C issues in BL1/BL2/BL31 and FDT helper functions, using boolean essential, |
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type, and removing unnecessary header file and comparisons to LONG_MAX in |
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debugfs devfip |
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- Based on coding guidelines, replace all `unsigned long` depending on if |
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fixed based on AArch32 or AArch64. |
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- Unify type of "cpu_idx" and Platform specific defines across PSCI module. |
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- Drivers |
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- auth: Necessary fix in drivers to upgrade to mbedtls-2.18.0 |
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- delay_timer: Fix non-standard frequency issue in udelay |
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- gicv3: Fix compiler dependent behavior |
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- gic600: Fix include ordering according to the coding style and power up sequence |
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- Library Code |
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- el3_runtime: Fix stack pointer maintenance on EA handling path, |
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fixup 'cm_setup_context' prototype, and adds TPIDR_EL2 register |
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to the context save restore routines |
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- libc: Fix SIZE_MAX on AArch32 |
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- locks: T589: Fix insufficient ordering guarantees in bakery lock |
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- pmf: Fix 'tautological-constant-compare' error, Make the runtime |
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instrumentation work on AArch32, and Simplify PMF helper macro |
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definitions across header files |
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- xlat_tables_v2: Fix assembler warning of PLAT_RO_XLAT_TABLES |
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- Platforms |
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- allwinner: Fix H6 GPIO and CCU memory map addresses and incorrect ARISC |
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code patch offset check |
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- arm/a5ds: Correct system freq and Cache Writeback Granule, and cleanup |
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enable-method in devicetree |
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- arm/fvp: Fix incorrect GIC mapping, BL31 load address and image size |
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for RESET_TO_BL31=1, topology description of cpus for DynamIQ based |
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FVP, and multithreaded FVP power domain tree |
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- arm/fvp: spm-mm: Correcting instructions to build SPM for FVP |
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- arm/common: Fix ROTPK hash generation for ECDSA encryption, BL2 bug in |
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dynamic configuration initialisation, and current RECLAIM_INIT_CODE behavior |
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- arm/rde1edge: Fix incorrect topology tree description |
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- arm/sgi: Fix the incorrect check for SCMI channel ID |
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- common: Flush dcache when storing timestamp |
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- intel: Fix UEFI decompression issue, memory calibration, SMC SIP service, |
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mailbox config return status, mailbox driver logic, FPGA manager on |
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reconfiguration, and mailbox send_cmd issue |
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- imx: Fix shift-overflow errors, the rdc memory region slot's offset, |
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multiple definition of ipc_handle, missing inclusion of cdefs.h, and |
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correct the SGIs that used for secure interrupt |
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- mediatek: mt8183: Fix AARCH64 init fail on CPU0 |
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- rockchip: Fix definition of struct param_ddr_usage |
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- rpi4: Fix documentation of armstub config entry |
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- st: Correct io possible NULL pointer dereference and device_size type, |
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nand xor_ecc.val assigned value, static analysis tool issues, and fix |
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incorrect return value and correctly check pwr-regulators node |
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- xilinx: zynqmp: Correct syscnt freq for QEMU and fix clock models |
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and IDs of GEM-related clocks |
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Known Issues |
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^^^^^^^^^^^^ |
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- Build System |
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- dtb: DTB creation not supported when building on a Windows host. |
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This step in the build process is skipped when running on a Windows host. A |
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known issue from the 1.6 release. |
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- Intermittent assertion firing `ASSERT: services/spd/tspd/tspd_main.c:105` |
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- Coverity |
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- Intermittent Race condition in Coverity Jenkins Build Job |
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- Platforms |
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- arm/juno: System suspend from Linux does not function as documented in the |
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user guide |
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Following the instructions provided in the user guide document does not |
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result in the platform entering system suspend state as expected. A message |
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relating to the hdlcd driver failing to suspend will be emitted on the |
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Linux terminal. |
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- mediatek/mt6795: This platform does not build in this release |
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Version 2.2 |
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----------- |
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Mark Dykes
5 years ago
TrustedFirmware Code Review