RTEMS | risc-v: support running in s-mode (!1086)
Gedare Bloom (@gedare)
gitlab at rtems.org
Wed Mar 4 22:08:26 UTC 2026
Gedare Bloom started a new discussion on bsps/riscv/riscv/irq/irq.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1086#note_144273
>
> -void _RISCV_Interrupt_dispatch(uintptr_t mcause, Per_CPU_Control *cpu_self)
> +#endif /* !RISCV_USE_S_MODE */
> +
> +#ifdef RISCV_USE_S_MODE
> +
> +static void riscv_interrupt_dispatch_supervisor(
> + uintptr_t scause,
> + Per_CPU_Control *cpu_self
> +)
> +{
> +#ifndef RTEMS_SMP
> + (void) cpu_self;
> +#endif
> +
> + if (scause & RISCV_INTERRUPT_TIMER_SUPERVISOR) {
This is wrong and works by accident.
--
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1086#note_144273
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