Sprinkle some #ifdef MULTIPROCESSOR to make non-MP kernels build again.

diff --git a/sys/arch/arm64/dev/aplintc.c b/sys/arch/arm64/dev/aplintc.c
index 3c60fea..d8c508b 100644 (file)
--- a/sys/arch/arm64/dev/aplintc.c
+++ b/sys/arch/arm64/dev/aplintc.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: aplintc.c,v 1.14 2022/11/07 18:56:20 kettenis Exp $   */
+/*     $OpenBSD: aplintc.c,v 1.15 2022/11/08 11:40:47 kettenis Exp $   */
 /*
  * Copyright (c) 2021 Mark Kettenis
  *
@@ -246,7 +246,9 @@ aplintc_attach(struct device *parent, struct device *self, void *aux)
        sc->sc_ic.ic_barrier = aplintc_intr_barrier;
        arm_intr_register_fdt(&sc->sc_ic);
 
+#ifdef MULTIPROCESSOR
        intr_send_ipi_func = aplintc_send_ipi;
+#endif
 
        if (sc->sc_version == 2)
                HSET4(sc, AIC2_CONFIG, AIC2_CONFIG_ENABLE);
@@ -402,12 +404,14 @@ aplintc_fiq_handler(void *frame)
        uint64_t reg;
        int s;
 
+#ifdef MULTIPROCESSOR
        /* Handle IPIs. */
        reg = READ_SPECIALREG(APL_IPI_SR_EL1);
        if (reg & APL_IPI_SR_EL1_PENDING) {
                WRITE_SPECIALREG(APL_IPI_SR_EL1, APL_IPI_SR_EL1_PENDING);
                aplintc_handle_ipi(sc);
        }
+#endif
 
        /* Handle timer interrupts. */
        reg = READ_SPECIALREG(cntv_ctl_el0);
@@ -599,6 +603,8 @@ aplintc_intr_disestablish(void *cookie)
        free(ih, M_DEVBUF, sizeof(*ih));
 }
 
+#ifdef MULTIPROCESSOR
+
 void
 aplintc_send_ipi(struct cpu_info *ci, int reason)
 {
@@ -642,3 +648,5 @@ aplintc_handle_ipi(struct aplintc_softc *sc)
 
        sc->sc_ipi_count.ec_count++;
 }
+
+#endif