laurenw-arm | 9a375e3 | 2019-12-09 16:08:00 -0600 | [diff] [blame] | 1 | Change Log for Upcoming Release |
| 2 | =============================== |
| 3 | |
| 4 | This document contains a summary of the new features, changes, fixes and known |
| 5 | issues to be included in the upcoming release of Trusted Firmware-A. The contents |
| 6 | of this file will be moved to the collective change-log.rst file at the time of |
| 7 | release code freeze. |
| 8 | |
| 9 | |
| 10 | Upcoming Release Version 2.3 |
| 11 | ---------------------------- |
| 12 | |
| 13 | **Trusted Firmware-A Contributors, |
| 14 | Please log all relevant new features, changes, fixes, and known issues for the |
| 15 | upcoming release. For the CPU support, drivers, and tools sections please preface |
| 16 | the log description with the relevant key word, example: "<CPU>: <CPU Support |
| 17 | addition>". Use the RST format convention already used in the Change Log.** |
| 18 | |
| 19 | New Features |
| 20 | ^^^^^^^^^^^^ |
| 21 | |
| 22 | - Arm Architecture |
| 23 | - Example: "Add support for Branch Target Identification (BTI)" |
| 24 | |
| 25 | - Build System |
Madhukar Pappireddy | 46adb1b | 2020-01-28 12:41:20 -0600 | [diff] [blame] | 26 | - Add support for documentation build as a target in Makefile |
Sandrine Bailleux | 1c00fc1 | 2020-03-11 09:46:20 +0100 | [diff] [blame] | 27 | - Add ``COT`` build option to select the chain of trust to use when the |
| 28 | Trusted Boot feature is enabled (default: ``tbbr``). |
laurenw-arm | 9a375e3 | 2019-12-09 16:08:00 -0600 | [diff] [blame] | 29 | |
| 30 | - CPU Support |
| 31 | - Example: "cortex-a55: Workaround for erratum 1221012" |
Madhukar Pappireddy | 19febcd | 2020-03-20 01:32:32 -0500 | [diff] [blame^] | 32 | - Use Speculation Barrier instruction for v8.5+ cores |
laurenw-arm | 9a375e3 | 2019-12-09 16:08:00 -0600 | [diff] [blame] | 33 | |
| 34 | - Drivers |
| 35 | - Example: "console: Allow the console to register multiple times" |
| 36 | |
| 37 | - Libraries |
| 38 | - Example: "Introduce BTI support in Library at ROM (romlib)" |
Louis Mayencourt | 2b83972 | 2020-02-26 13:49:09 +0000 | [diff] [blame] | 39 | - Add Firmware Configuration Framework (fconf). |
laurenw-arm | 9a375e3 | 2019-12-09 16:08:00 -0600 | [diff] [blame] | 40 | |
| 41 | - New Platforms Support |
| 42 | - Example: "qemu/qemu_sbsa: New platform support added for QEMU SBSA platform" |
| 43 | |
| 44 | - Platforms |
| 45 | - Example: "arm/common: Introduce wrapper functions to setup secure watchdog" |
Sandrine Bailleux | 1c00fc1 | 2020-03-11 09:46:20 +0100 | [diff] [blame] | 46 | - plat/arm: Add support for the new `dualroot` chain of trust. |
Madhukar Pappireddy | 19febcd | 2020-03-20 01:32:32 -0500 | [diff] [blame^] | 47 | - plat/arm/fvp: Add support for fconf in BL31 and SP_MIN. Populate power |
| 48 | domain desciptor dynamically by leveraging fconf APIs. |
laurenw-arm | 9a375e3 | 2019-12-09 16:08:00 -0600 | [diff] [blame] | 49 | |
| 50 | - PSCI |
| 51 | - Example: "Adding new optional PSCI hook ``pwr_domain_on_finish_late``" |
| 52 | |
| 53 | - Security |
| 54 | - Example: "UBSAN support and handlers" |
Sumit Garg | c0c369c | 2019-11-15 18:47:53 +0530 | [diff] [blame] | 55 | - Add support for optional firmware encryption feature (experimental). |
Sandrine Bailleux | 1c00fc1 | 2020-03-11 09:46:20 +0100 | [diff] [blame] | 56 | - Introduce a new `dualroot` chain of trust. |
Madhukar Pappireddy | 19febcd | 2020-03-20 01:32:32 -0500 | [diff] [blame^] | 57 | - aarch32: stop speculative execution past exception returns. |
laurenw-arm | 9a375e3 | 2019-12-09 16:08:00 -0600 | [diff] [blame] | 58 | |
| 59 | - Tools |
| 60 | - Example: "fiptool: Add support to build fiptool on Windows." |
| 61 | |
| 62 | |
| 63 | Changed |
| 64 | ^^^^^^^ |
| 65 | |
| 66 | - Arm Architecture |
| 67 | - Example: "Refactor ARMv8.3 Pointer Authentication support code" |
| 68 | |
| 69 | - BL-Specific |
| 70 | - Example: "BL2: Invalidate dcache build option for BL2 entry at EL3" |
| 71 | |
| 72 | - Boot Flow |
| 73 | - Example: "Add helper to parse BL31 parameters (both versions)" |
| 74 | |
| 75 | - Drivers |
| 76 | - Example: "gicv3: Prevent pending G1S interrupt from becoming G0 interrupt" |
| 77 | |
| 78 | - Platforms |
| 79 | - Example: "arm/common: Shorten the Firmware Update (FWU) process" |
| 80 | |
| 81 | - PSCI |
| 82 | - Example: "PSCI: Lookup list of parent nodes to lock only once" |
| 83 | |
| 84 | - Secure Partition Manager (SPM) |
| 85 | - Example: "Move shim layer to TTBR1_EL1" |
| 86 | |
| 87 | - Security |
| 88 | - Example: "Refactor SPSR initialisation code" |
| 89 | |
| 90 | - Tools |
| 91 | - Example: "cert_create: Remove RSA PKCS#1 v1.5 support" |
| 92 | |
| 93 | |
| 94 | Resolved Issues |
| 95 | ^^^^^^^^^^^^^^^ |
| 96 | |
| 97 | - Arm Architecture |
| 98 | - Example: "Fix restoration of PAuth context" |
| 99 | |
| 100 | - BL-Specific |
| 101 | - Example: "Fix BL31 crash reporting on AArch64 only platforms" |
| 102 | |
| 103 | - Build System |
| 104 | - Example: "Remove several warnings reported with W=2 and W=1" |
| 105 | |
| 106 | - Code Quality |
| 107 | - Example: "Unify type of "cpu_idx" across PSCI module" |
| 108 | |
| 109 | - CPU Support |
| 110 | - Example: "cortex-a12: Fix MIDR mask" |
| 111 | |
| 112 | - Drivers |
| 113 | - Example: "scmi: Fix wrong payload length" |
| 114 | |
| 115 | - Library Code |
| 116 | - Example: "libc: Fix memchr implementation" |
| 117 | |
| 118 | - Platforms |
| 119 | - Example: "rpi: rpi3: Fix compilation error when stack protector is enabled" |
| 120 | |
| 121 | - Security |
| 122 | - Example: "AArch32: Disable Secure Cycle Counter" |
| 123 | |
| 124 | Deprecations |
| 125 | ^^^^^^^^^^^^ |
| 126 | |
| 127 | - Common Code |
| 128 | - Example: "Remove MULTI_CONSOLE_API flag and references to it" |
| 129 | |
| 130 | - Drivers |
| 131 | - Example: "console: Remove deprecated finish_console_register" |
| 132 | |
| 133 | - Secure Partition Manager (SPM): |
| 134 | - Example: "Prototype SPCI-based SPM (services/std_svc/spm) will be replaced |
| 135 | with alternative methods of secure partitioning support." |
| 136 | |
| 137 | Known Issues |
| 138 | ^^^^^^^^^^^^ |
| 139 | |
| 140 | - Build System |
| 141 | - dtb: DTB creation not supported when building on a Windows host. |
| 142 | |
| 143 | This step in the build process is skipped when running on a Windows host. A |
| 144 | known issue from the 1.6 release. |
| 145 | |
| 146 | - Platforms |
| 147 | - arm/juno: System suspend from Linux does not function as documented in the |
| 148 | user guide |
| 149 | |
| 150 | Following the instructions provided in the user guide document does not |
| 151 | result in the platform entering system suspend state as expected. A message |
| 152 | relating to the hdlcd driver failing to suspend will be emitted on the |
| 153 | Linux terminal. |
| 154 | |
| 155 | - mediatek/mt6795: This platform does not build in this release |