v0.9.0-prerelease

What's Changed

New features

• Hypervisor extension integration by @andresag01 in #236
• Introduce a Load Mutable permission by @arichardson in #212
• Introduce GCTYPE to obtain the capability type by @arichardson in #337
• Allow alternative capability encodings by @andresag01 in #357
• Control access to Zstid CSRs by @andresag01 in #358
• Integrating vector and CHERI for RISC-V by @andresag01 in #365
• PTE proposal with load-side barrier bits by @andresag01 in #234
• add auipc note by @tariqkurd-repo in #390
• Introduce capability levels by @arichardson in #355

Spec changes

• Make CRE not a WARL field by @Timmmm in #332
• Re-instate GCMODE instruction by @andresag01 in #350
• Allow XLEN writes to new CSRs in Zcherihybrid by @andresag01 in #354
• Permute permissions bitmap for acperm/gcperm by @andresag01 in #351
• controlling the cheri mode to enter when entering debug mode by @tariqkurd-repo in #370
• add extra information into exception reporting by @tariqkurd-repo in #373
• Swap roles of xtval and xtval2 by @andresag01 in #379
• Miscellaneous fixes for gctype and scss by @andresag01 in #383
• unify 32-bit encodings for load/store/amo to use RV64 versions by @tariqkurd-repo in #385
• optionally simplify lm_perm by @tariqkurd-repo in #387
• split MODESW into MODESW.CAP and MODESW.INT by @tariqkurd-repo in #406

Clarifications

• Clarified the "malformed capabilities" definition by @jasonyu1996 in #320
• Reword the ASR description to clarify Zstid register behaviour. by @buxtonpaul in #335
• Clarify legalisation of dpcc by @tomaird in #345
• Clarify sealed mepcc behaviour by @PRugg-Cap in #347
• Add extension maturity table by @tariqkurd-repo in #369
• Indicate GCMODE output for non-X caps by @andresag01 in #377
• pointer masking support by @tariqkurd-repo in #368
• Clarify rs2 values for scmode by @andresag01 in #382
• add note about choosing when to check the tag on a load by @tariqkurd-repo in #381
• Add a quick-start guide by @PeterRugg in #404
• attempt at listing some system rules with examples by @tariqkurd-repo in #401
• Chapter 3 note about the relationship between privileged and unprivileged components by @jasonyu1996 in #321

Simple typo or formatting fixes

• Fix typo. by @buxtonpaul in #330
• hybrid: fix a sentence that uses the old definition of M by @martin-kaiser in #336
• Miscellaneous wording and typo fixes by @andresag01 in #346
• Delete incorrect note in atomic store operation by @arichardson in #348
• Do not include CHERIv9 annotations by default by @andresag01 in #364
• Use "bounds" violation instead of "length" by @arichardson in #367
• Miscellaneous fixes by @andresag01 in #371
• Fix typo in debug integration spec by @andresag01 in #378
• Rename insn access fault to fetch fault by @andresag01 in #380
• remove false comments from RV32 permission encoding table by @tariqkurd-repo in #386
• Align authors and contributor lists by @andresag01 in #388
• Organize tables into appendix by @andresag01 in #394
• Changing c.mv mnemonic font to be red monospace by @ricki-code in #397
• Remove redundant c.addi4spn link by @tomaird in #399
• Make FP reg operand notation consistent by @andresag01 in #398
• Add table and notes about CRE by @andresag01 in #396
• Remove outdated 'leg' specifier by @tomaird in #405

New Contributors

• @jasonyu1996 made their first contribution in #320
• @tomaird made their first contribution in #345
• @ricki-code made their first contribution in #397

Full Changelog: v0.8.3-prerelease...v0.9.0-prerelease