v9.2.0-2025-10-07

What's Changed

• ot_vmapper: fix setting destination address when splitting ranges by @rivos-eblot in #211
• tools: Improve ROM image support by @rivos-eblot in #208
• ot_uart: Add break interrupt and add opt-in mocking of break oversampling by @AlexJones0 in #212
• ot_lc_ctrl: Fix HW_CFG load memcpy size calculation by @AlexJones0 in #214
• ot_keymgr: Add property to disable flash seed check by @AlexJones0 in #220
• ot_i2c: Update TX_THRESHOLD interrupt state on target mode I2C recv by @ziuziakowska in #218

Full Changelog: v9.2.0-2025-10-03...v9.2.0-2025-10-07

v9.2.0-2025-10-03

What's Changed

• ot_vmapper: Fix range sort comparator logic by @AlexJones0 in #209
• ot_flash: Re-enable disabled flash MMIO region on reset by @AlexJones0 in #210

Full Changelog: v9.2.0-2025-10-02...v9.2.0-2025-10-03

v9.2.0-2025-10-02

What's Changed

• New ot-tidy.py script for development and CI by @ziuziakowska in #192
• Add sival_rom_ext tests to Earlgrey regression & update Bazel test runner. by @AlexJones0 in #203
• [ot] tests/opentitan/data: earlgrey-tests: add passing SPI dev flash smoketests by @jwnrt in #206
• flashgen.py: allow loading arbitrary binaries into flash images using --otdesc by @AlexJones0 in #207

Full Changelog: v9.2.0-2025-10-01...v9.2.0-2025-10-02

v9.2.0-2025-10-01

What's Changed

• Several script fixes and improvements by @loiclefort in #189
• [ot] hw/opentitan: ot_dma: do not abort on failed transfer by @rivos-eblot in #196
• Python tools improvements by @rivos-eblot in #197
• [ot] .github/workflows: regression: allow OT repo to be changed by @jwnrt in #199
• [ot] hw/opentitan: ot_hmac: Update digest before reading by @AlexJones0 in #201
• otptool.py improvements by @rivos-eblot in #198
• Update autoreg and autotop by @rivos-eblot in #202
• ot_keymgr: Only go idle on reset and op_status write by @AlexJones0 in #204

Full Changelog: v9.2.0-2025-09-24...v9.2.0-2025-10-01

v9.2.0-2025-09-24

What's Changed

• [ot] scripts/opentitan: regressions: make unexpected passes non-fatal, report summary by @jwnrt in #191
• [ot] hw/opentitan: spi_device: fix off-by-one last_read_addr by @jwnrt in #195

Full Changelog: v9.2.0-2025-09-19...v9.2.0-2025-09-24

v9.2.0-2025-09-19

What's Changed

• [ot] hw/opentitan: ot_spi_host: rework SPI Host by @rivos-eblot in #139
• Upgrade to LLVM v19 by @rivos-eblot in #140
• Add an OpenTitan custom "unimplemented device" with support for Comportable registers by @rivos-eblot in #146
• Update pyot to support execution from flash and VMEM file format by @rivos-eblot in #150
• [ot] hw/opentitan: ot_hmac: Restore correct msg_length with HMAC_EN by @AlexJones0 in #151
• Entropy Stack update by @rivos-eblot in #153
• [ot] hw/opentitan: ot_aes: fix IV updates in CFB mode by @luismarques in #107
• Import latest changes from Darjeeling by @rivos-eblot in #155
• Update QEMU implementation by @rivos-eblot in #156
• Update QEMU implementation by @loiclefort in #157
• Some EDN fixes by @loiclefort in #158
• Fix regressions in Earlgrey 1.0.0 tests by @AlexJones0 in #159
• Fix Earlgrey regression in ot_entropy_src by @loiclefort in #160
• Modify ot_earlgrey to specifically target the Earlgrey 1.0.0 release instead of Earlgrey 2.5.2-RC0 by @AlexJones0 in #161
• Add Earlgrey OpenTitan regression flow by @jwnrt in #163
• Some fixes to cfggen.py by @loiclefort in #165
• ot_uart: default to reporting idle in the unimplemented VAL register by @AlexJones0 in #169
• OpenTitan regression script bug fixes by @jwnrt in #166
• ot_kmac: Implement error processing + misc. fixes by @AlexJones0 in #171
• ot_kmac: Add clock hinting by @AlexJones0 in #172
• Opentitan EG 1.0.0 I2C implementation by @ziuziakowska in #162
• Update Earlgrey's OTP for parity with Darjeeling, add generic scrambling key support + misc. fixes by @AlexJones0 in #167
• ot_flash: Many miscellaneous fixes and CTRL_REGWEN implementation by @AlexJones0 in #173
• Update passing test list by @AlexJones0 in #177
• ot_flash: Add HW operation support & improved memory protection by @AlexJones0 in #175
• ot_otbn: Connect Recoverable alert to OTBN's error bits. by @AlexJones0 in #170
• ot_aes: Do not check input/key validity in manual mode by @AlexJones0 in #176
• ot_keymgr_dpe: misc. improvements from the keymgr implementation by @AlexJones0 in #179
• Allow configuring whether DV_SIM_STATUS shuts down QEMU by @jwnrt in #181
• ot_flash: Add keymgr secret retrieval and lc_ctrl connections by @AlexJones0 in #178
• [ot] hw/opentitan: otp: set OTP image perms during realization by @jwnrt in #182
• earlgrey, darjeeling: rework machine reset management by @rivos-eblot in #186
• Fix CI by adding new i2c_qemu_test by @AlexJones0 in #187
• Begin implementation of ot_keymgr for Earlgrey by @AlexJones0 in #183
• ot_keymgr: Add main FSM with keymgr initialization by @AlexJones0 in #184
• ot_keymgr: Implement KMAC offloading, advance operations & all main FSM states by @AlexJones0 in #185
• ot_keymgr: Implement key generation, wiping & better error handling by @AlexJones0 in #188

New Contributors

• @ziuziakowska made their first contribution in #162

Full Changelog: v9.2.0-2025-02-11...v9.2.0-2025-09-19

v9.2.0-2025-02-11

What's Changed

• ot_flash: Add program/erase, memory protection, multi-word ops, FIFO watermarks & fixes by @AlexJones0 in #137
• [ot] scripts/opentitan: flashgen.py: add an option to ignore time mismatch by @rivos-eblot in #138

Full Changelog: v9.2.0-2025-02-05...v9.2.0-2025-02-11

v9.2.0-2025-02-05

What's Changed

• Rebased on QEMU v9.2.0: https://www.qemu.org/2024/12/11/qemu-9-2-0/
• [ot] hw/opentitan: ot_spi_host: SPI Host V3 changes by @rivos-eblot in #120
• [ot] scripts/opentitan: pyot.py: rework embedded flash management by @rivos-eblot in #123

Full Changelog: v9.1.0-2025-01-28...v9.2.0-2025-02-05

v9.1.0-2025-01-28

What's Changed

• [ot] hw/opentitan: fix clang-format in ot_otp_eg_parts.c by @jwnrt in #83
• [ot] Update CSRNG SW_CMD_STS.CMD_RDY by @luismarques in #82
• Update OpenTitan EDN registers and SW_CMD_STS behavior by @luismarques in #85
• Add HMAC stop/continue commands & endian swaps by @AlexJones0 in #88
• Update SPI device and PLIC IDs by @jwnrt in #86
• Add HMAC multi-mode support (SHA-2 384/512 digest sizes and variable key lengths) by @AlexJones0 in #89
• Small register description fixes in rstmgr/pwrmgr/clkmgr by @AlexJones0 in #95
• Update rom_ctrl scrambling logic by @AlexJones0 in #90
• Update KMAC register interfaces by @AlexJones0 in #92
• Fix Earlgrey SPI upload command FIFO status by @AlexJones0 in #93
• Compute OTBN checksum over LE values. by @AlexJones0 in #94
• [ot] scripts/opentitan: include cfggen in releases by @jwnrt in #96
• .github: update CI to use Ubuntu Noble (cherry-pick #99) by @luismarques in #101
• ot_aes: fix IV and CTR issues (cherry-pick #98) by @luismarques in #100
• .github: Bump artifact actions to v4 in CI to solve deprecation errors by @AlexJones0 in #104
• [ot] hw/opentitan: ot_aes: preserve external state when a new message is started by @luismarques in #102
• [ot] hw/opentitan: ot_earlgrey: Update Earlgrey peripheral clock speed by @AlexJones0 in #105
• Update OTP constant SV file location in cfggen.py by @AlexJones0 in #103
• Add alert handler to ot_earlgrey by @AlexJones0 in #110
• [ot] hw/opentitan: ot_aon_timer: Make wakeup timer 64 bits by @AlexJones0 in #109
• [ot] update OpenTitan README for EarlGrey support by @rivos-eblot in #116
• Lint commits in CI by @jwnrt in #115
• [ot] hw/riscv: ot_earlgrey: assign an identifier to each UART by @rivos-eblot in #118
• [ot] scripts/opentitan: cfggen.py: define a list of supported tops by @rivos-eblot in #117
• [ot] hw/opentitan: ot_sram_ctrl: add basic support for READBACK register by @rivos-eblot in #114
• [ot] Define (unused) OTP scrambling properties for EG by @jwnrt in #122
• [ot] scripts/opentitan: cfggen.py: fix regression introduced with bc4626e by @rivos-eblot in #124
• Use Python 3.9 syntax for type unions by @jwnrt in #125

New Contributors

• @luismarques made their first contribution in #82
• @AlexJones0 made their first contribution in #88

Full Changelog: v9.1.0-2024-10-30...v9.1.0-2025-01-28

ot-earlgrey-1.0.0-2025-01-13

What's Changed

• [ot] scripts/opentitan: include cfggen in releases by @jwnrt in #84
• Update Darjeeling implementation by @rivos-eblot in #87
• Fix SPI device and update Python tools by @rivos-eblot in #91
• Backport fixes from ot-earlgrey-1.0.0-updates by @rivos-eblot in #97
• .github: update CI to use Ubuntu Noble by @rivos-eblot in #99

Full Changelog: v9.1.0-2024-10-30...ot-earlgrey-1.0.0-2025-01-13