roll: pigweed, pw_toolchain: pw_cpu_exception_cortex_m: Fix cpu exception handler on armv8m

- restore msplim and psplim in the exception entry
- mark the entry with PW_NO_PROLOGUE
- ensure the correct captured_state is checked in BeginBaseFaultTest

Tested with clang and gcc with and without -Oz

Original-Fixes: b/323215726

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/231372

https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: 9175df7b56d3ca3..06e763c089d0171
Roller-URL: https://ci.chromium.org/b/8738946976008979761
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I58fae794badb0dbea4da06dbd52aec047d98b54a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/showcase/sense/+/231124
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
1 file changed
tree: 1f132e366f906cef4a53df133d36d25b34e0d0a8
  1. .github/
  2. .vscode/
  3. apps/
  4. device/
  5. modules/
  6. system/
  7. targets/
  8. tools/
  9. web_app/
  10. .bazelignore
  11. .bazelrc
  12. .bazelversion
  13. .buildifier.json
  14. .clang-format
  15. .clangd.shared
  16. .gitignore
  17. .pw_console.yaml
  18. AUTHORS
  19. BUILD.bazel
  20. CONTRIBUTING.md
  21. LICENSE
  22. MODULE.bazel
  23. OWNERS
  24. pigweed.json
  25. README.md
README.md

Sense

git clone https://pigweed.googlesource.com/pigweed/showcase/sense

Welcome to Pigweed Sense, a tour of key Pigweed components experienced through an imagined air quality product.

Please visit Sense: An interactive tour through Pigweed to get started.