Issue created by Sebastian Huber: https://gitlab.rtems.org/rtems/rtos/rtems/-/work_items/5795
The interrupt handlers run with the exception level set in the status register. An access to a thread-local object executes `rdhwr`, which raises the reserved instruction exception on processors without this instruction. With the exception level set, the processor does not update the exception program counter. The emulation of `rdhwr` then finds another instruction and the exception becomes fatal. On `mips/malta`, `psxmsgq03` and `spintrcritical24` fail in this way, because their interrupt handlers set `errno`. A Newlib built with `--enable-newlib-reent-thread-local` keeps `errno` in thread-local storage. Found while running the full test suite on Qemu. This description was created with Claude Code assistance. -- View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/work_items/5795 You're receiving this email because of your account on gitlab.rtems.org. Unsubscribe from this thread: https://gitlab.rtems.org/-/namespace/49/sent_notifications/5-f09ds7yrg8fo8o4a6k14hx83r-1d/unsubscribe | Manage all notifications: https://gitlab.rtems.org/-/profile/notifications | Help: https://gitlab.rtems.org/help
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