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AIA ipi fix #212

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AIA ipi fix #212

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bdfb2a2
fix(riscv/interrupts): call generic IRQC function for sending IPIs
filippofontana Apr 14, 2025
7abfa9c
ref(riscv/interrupts): add clarification comment for IPI handling in AIA
filippofontana Apr 14, 2025
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9 changes: 6 additions & 3 deletions src/arch/riscv/interrupts.c
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Original file line number Diff line number Diff line change
Expand Up @@ -42,12 +42,10 @@ void interrupts_arch_init()

void interrupts_arch_ipi_send(cpuid_t target_cpu, irqid_t ipi_id)
{
UNUSED_ARG(ipi_id);

if (USE_ACLINT_IPI()) {
aclint_send_ipi(target_cpu);
} else {
sbi_send_ipi(1UL << target_cpu, 0);
irqc_send_ipi(target_cpu, ipi_id);
}
}

Expand Down Expand Up @@ -87,6 +85,11 @@ void interrupts_arch_handle(void)
stopi = stopi >> TOPI_IID_SHIFT;
switch (stopi) {
case IRQ_S_SOFT:
/**
* This case is executed only by APLIC configuration,
* IPIs sent through IMSIC are handled as external
* interrupts.
*/
interrupts_handle(interrupts_ipi_id);
csrs_sip_clear(SIP_SSIP);
break;
Expand Down